d309b982f69b11b9e6dc92062245330d3aa1bb81
[samba.git] / source3 / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2
3 dnl We must use autotools 2.54 or above
4 AC_PREREQ(2.54)
5
6 AC_INIT([Samba],[3],[samba-technical@samba.org])
7
8 AC_CONFIG_SRCDIR([include/includes.h])
9 AC_CONFIG_HEADER(include/autoconf/config.h)
10 AC_DEFINE(CONFIG_H_IS_FROM_SAMBA,1,[Marker for samba's config.h])
11
12 case "$PATH" in
13     */usr/ucb*)
14         AC_MSG_WARN([\$PATH contains /usr/ucb - build errors may follow])
15         ;;
16 esac 
17
18 builddir=`pwd`
19 AC_SUBST(builddir)
20
21 m4_include(m4/samba_version.m4)
22 m4_include(m4/check_path.m4)
23 m4_include(pkg.m4)
24
25 AC_LIBREPLACE_CC_CHECKS
26 AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
27
28 m4_include(../lib/tevent/libtevent.m4)
29 m4_include(../lib/ccan/libccan.m4)
30
31 LIBTEVENT_OBJ0=""
32 for obj in ${TEVENT_OBJ}; do
33         LIBTEVENT_OBJ0="${LIBTEVENT_OBJ0} ${teventdir}/${obj}"
34 done
35 AC_SUBST(LIBTEVENT_OBJ0)
36 LIBS="${LIBS} ${TEVENT_LIBS}"
37
38 SAMBA_CPPFLAGS="-Iinclude/autoconf -Iinclude -I${srcdir-.}/include  -I. -I${srcdir-.}"
39 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/replace"
40 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TEVENT_CFLAGS}"
41 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${CCAN_CFLAGS}"
42 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/librpc"
43 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/.."
44 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/tdb_compat"
45
46 SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/popt"
47
48 ## cleanup the $(srcdir) in the Makefile if we are outside of the tree
49 if test "x${srcdir-.}" != "x."; then
50         SAMBA_CPPFLAGS=`echo ${SAMBA_CPPFLAGS} | sed -e "s;${srcdir};\$\(srcdir\);g"`
51 fi
52
53 dnl Unique-to-Samba variables we'll be playing with.
54 AC_SUBST(SAMBA_CPPFLAGS)
55 AC_SUBST(SHELL)
56 AC_SUBST(LDSHFLAGS)
57 AC_SUBST(SONAMEFLAG)
58 AC_SUBST(SHLD)
59 AC_SUBST(MODULE_EXPORTS)
60 AC_SUBST(DSO_EXPORTS)
61 AC_SUBST(HOST_OS)
62 AC_SUBST(PICFLAG)
63 AC_SUBST(PIE_CFLAGS)
64 AC_SUBST(PIE_LDFLAGS)
65 AC_SUBST(RELRO_LDFLAGS)
66 AC_SUBST(SHLIBEXT)
67 AC_SUBST(INSTALLLIBCMD_SH)
68 AC_SUBST(INSTALLLIBCMD_A)
69 AC_SUBST(UNINSTALLLIBCMD_SH)
70 AC_SUBST(UNINSTALLLIBCMD_A)
71
72 AC_SUBST(INSTALL_LIBWBCLIENT)
73 AC_SUBST(UNINSTALL_LIBWBCLIENT)
74 AC_SUBST(LIBWBCLIENT_SHARED_TARGET)
75 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_SOVER)
76 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_FULLVER)
77 AC_SUBST(LIBWBCLIENT_SHARED)
78 AC_SUBST(LIBWBCLIENT_STATIC_TARGET)
79 AC_SUBST(LIBWBCLIENT_STATIC)
80 AC_SUBST(LIBWBCLIENT_SOVER)
81 AC_SUBST(LIBWBCLIENT_FULLVER)
82 AC_SUBST(LIBWBCLIENT)
83 AC_SUBST(LIBWBCLIENT_LIBS)
84
85 AC_SUBST(LIBSAMBAUTIL_SHARED)
86
87 AC_SUBST(PRINT_LIBS)
88 AC_SUBST(AUTH_LIBS)
89 AC_SUBST(ACL_LIBS)
90 AC_SUBST(PASSDB_LIBS)
91 AC_SUBST(IDMAP_LIBS)
92 AC_SUBST(KRB5_LIBS)
93 AC_SUBST(UUID_LIBS)
94 AC_SUBST(LDAP_LIBS)
95 AC_SUBST(GPEXT_LIBS)
96 AC_SUBST(PAM_MODULES)
97 AC_SUBST(INSTALL_PAM_MODULES)
98 AC_SUBST(UNINSTALL_PAM_MODULES)
99 AC_SUBST(NSS_MODULES)
100 AC_SUBST(EXTRA_BIN_PROGS)
101 AC_SUBST(CIFSMOUNT_PROGS)
102 AC_SUBST(INSTALL_CIFSMOUNT)
103 AC_SUBST(UNINSTALL_CIFSMOUNT)
104 AC_SUBST(CIFSUMOUNT_PROGS)
105 AC_SUBST(INSTALL_CIFSUMOUNT)
106 AC_SUBST(UNINSTALL_CIFSUMOUNT)
107 AC_SUBST(CIFSUPCALL_PROGS)
108 AC_SUBST(INSTALL_CIFSUPCALL)
109 AC_SUBST(UNINSTALL_CIFSUPCALL)
110 AC_SUBST(EXTRA_SBIN_PROGS)
111 AC_SUBST(EXTRA_ALL_TARGETS)
112 AC_SUBST(CONFIG_LIBS)
113 AC_SUBST(NSCD_LIBS)
114
115 # compile with optimization and without debugging by default, but
116 # allow people to set their own preference.
117 # do this here since AC_CACHE_CHECK apparently sets the CFLAGS to "-g -O2"
118 # if it has no value.  This prevent *very* large debug binaries from occurring
119 # by default.
120 if test "x$debug" = "xyes" ; then
121         CFLAGS="${CFLAGS} -g"
122 fi
123 if test "x$CFLAGS" = x; then
124   CFLAGS="-O"
125 fi
126
127 m4_include(../lib/socket_wrapper/config.m4)
128 m4_include(../lib/nss_wrapper/config.m4)
129 m4_include(../lib/uid_wrapper/config.m4)
130
131 m4_include(m4/swat.m4)
132
133 DEVELOPER_CFLAGS="-DDEBUG_PASSWORD -DDEVELOPER"
134
135 # Probe the gcc version for extra CFLAGS. We always stash these in
136 # DEVELOPER_CFLAGS, so that you can turn them on and off with a simple
137 # Makefile edit, avoiding the need to re-run configure.
138 if test x"$ac_cv_prog_gcc" = x"yes" ; then
139         DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -g -Wall -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings"
140         # Add -Wdeclaration-after-statement if compiler supports it
141         AC_CACHE_CHECK(
142           [that the C compiler understands -Wdeclaration-after-statement],
143           samba_cv_HAVE_Wdeclaration_after_statement, [
144           AC_TRY_RUN_STRICT([
145             int main(void)
146             {
147                 return 0;
148             }],[$CFLAGS -Wdeclaration-after-statement],[$CPPFLAGS],[$LDFLAGS],
149             samba_cv_HAVE_Wdeclaration_after_statement=yes,
150             samba_cv_HAVE_Wdeclaration_after_statement=no,
151             samba_cv_HAVE_Wdeclaration_after_statement=cross)
152        ])
153
154         if test x"$samba_cv_HAVE_Wdeclaration_after_statement" = x"yes"; then
155             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Wdeclaration-after-statement"
156         fi
157
158         #-Werror-implicit-function-declaration
159         AC_CACHE_CHECK(
160           [that the C compiler understands -Werror-implicit-function-declaration],
161           samba_cv_HAVE_Werror_implicit_function_declaration, [
162           AC_TRY_RUN_STRICT([
163             int main(void)
164             {
165                 return 0;
166             }],[$CFLAGS -Werror-implicit-function-declaration],[$CPPFLAGS],[$LDFLAGS],
167             samba_cv_HAVE_Werror_implicit_function_declaration=yes,
168             samba_cv_HAVE_Werror_implicit_function_declaration=no,
169             samba_cv_HAVE_Werror_implicit_function_declaration=cross)
170        ])
171        if test x"$samba_cv_HAVE_Werror_implicit_function_declaration" = x"yes"; then
172             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Werror-implicit-function-declaration"
173        fi
174
175         # krb5developer is like developer, except we don't get
176         # -Wstrict-prototypes.
177        if test x"$krb5_developer" != x"$yes" ; then
178             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Wstrict-prototypes"
179        fi
180
181        if test x"$picky_developer" = x"yes"; then
182             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Werror"
183        fi
184 fi
185
186 #################################################
187 # check for a shared memory profiling support
188 AC_MSG_CHECKING(whether to use profiling)
189 AC_ARG_WITH(profiling-data,
190 [AS_HELP_STRING([--with-profiling-data], [Include gathering source code profile information (default=no)])],
191 [ case "$withval" in
192   yes)
193     AC_MSG_RESULT(yes)
194     AC_DEFINE(WITH_PROFILE,1,[Whether to use profiling])
195     samba_cv_WITH_PROFILE=yes
196     ;;
197   *)
198     AC_MSG_RESULT(no)
199     samba_cv_WITH_PROFILE=no
200     ;;
201   esac ],
202   AC_MSG_RESULT(no)
203 )
204
205 dnl Checks for programs.
206 AC_ARG_ENABLE(smbtorture4,
207         [AS_HELP_STRING([--enable-smbtorture4], [Enable building smbtorture4 (default=auto)])])
208
209 if test x$enable_smbtorture4 != xno; then
210         smbtorture4_possible=yes
211 else
212         smbtorture4_possible=no
213 fi
214
215 AC_PROG_INSTALL
216 AC_PROG_AWK
217 # Check for GNU make
218 m4_include(../m4/check_make.m4)
219 AC_SAMBA_GNU_MAKE([true], [true])
220
221 # Check for perl
222 m4_include(../m4/check_perl.m4)
223 AC_SAMBA_PERL([true], [smbtorture4_possible=no])
224
225 # Check for python
226 m4_include(../m4/check_python.m4)
227 AC_SAMBA_PYTHON_DEVEL([true], [smbtorture4_possible=no])
228
229 AC_CHECK_TOOL(AR, ar)
230
231 dnl Check if we (actually our C compiler!) use GNU ld
232 AC_PROG_LD_GNU
233
234 dnl Certain versions of GNU ld the default is not to have the
235 dnl --allow-shlib-undefined flag defined.  This causes a stackload of
236 dnl warnings when building modules.
237 if test "$ac_cv_prog_gnu_ld" = "yes"; then
238         ac_cv_gnu_ld_version=`$CC -Wl,-v /dev/null 2>&1 < /dev/null | grep "GNU ld"`
239         AC_MSG_CHECKING(GNU ld release date)
240         changequote(,)dnl
241         ac_cv_gnu_ld_date=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
242         changequote([,])dnl
243         AC_MSG_RESULT(${ac_cv_gnu_ld_date})
244         if test -n "$ac_cv_gnu_ld_date"; then
245         if test "$ac_cv_gnu_ld_date" -lt 20030217; then
246                 ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
247         fi
248         if test "$ac_cv_gnu_ld_date" -gt 20030101; then
249                 ac_cv_gnu_ld_version_script=yes
250         fi
251         else
252            AC_MSG_CHECKING(GNU ld release version)
253            changequote(,)dnl
254            ac_cv_gnu_ld_vernr=`echo $ac_cv_gnu_ld_version | awk '{print $NF}' | sed -n 's,\([1-9][0-9]*\.[0-9][0-9]*\).*$,\1,p'`
255            ac_cv_gnu_ld_vernr_major=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 1`
256            ac_cv_gnu_ld_vernr_minor=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 2`
257            changequote([,])dnl
258            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr})
259            AC_MSG_CHECKING(GNU ld release version major)
260            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_major})
261            AC_MSG_CHECKING(GNU ld release version minor)
262            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_minor})
263            if test "$ac_cv_gnu_ld_vernr_major" -lt 2 || test "$ac_cv_gnu_ld_vernr_minor" -lt 14; then
264              ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
265            fi
266            if test "$ac_cv_gnu_ld_vernr_major" -gt 2 || test "$ac_cv_gnu_ld_vernr_major" = 2 && test "$ac_cv_gnu_ld_vernr_minor" -ge 12; then
267              ac_cv_gnu_ld_version_script=yes
268            fi
269         fi
270 fi
271
272 dnl look for executable suffix
273 AC_EXEEXT
274
275 dnl Check if C compiler understands -c and -o at the same time
276 AC_PROG_CC_C_O
277 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
278       BROKEN_CC=
279 else
280       BROKEN_CC=#
281 fi
282 AC_SUBST(BROKEN_CC)
283
284 dnl Check if the C compiler understands -Werror (GNU)
285 AC_CACHE_CHECK([that the C compiler understands -Werror],samba_cv_HAVE_Werror, [
286  AC_TRY_RUN_STRICT([
287   int main(void)
288   {
289         return 0;
290   }],[$CFLAGS -Werror],[$CPPFLAGS],[$LDFLAGS],
291   samba_cv_HAVE_Werror=yes,samba_cv_HAVE_Werror=no,samba_cv_HAVE_Werror=cross)])
292 if test x"$samba_cv_HAVE_Werror" = x"yes"; then
293    Werror_FLAGS="-Werror"
294 else
295 dnl Check if the C compiler understands -w2
296 AC_CACHE_CHECK([that the C compiler understands -w2],samba_cv_HAVE_w2, [
297  AC_TRY_RUN_STRICT([
298   int main(void)
299   {
300         return 0;
301   }],[$CFLAGS -w2],[$CPPFLAGS],[$LDFLAGS],
302   samba_cv_HAVE_w2=yes,samba_cv_HAVE_w2=no,samba_cv_HAVE_w2=cross)])
303 if test x"$samba_cv_HAVE_w2" = x"yes"; then
304    Werror_FLAGS="-w2"
305 else
306 dnl Check if the C compiler understands -errwarn (Sun)
307 AC_CACHE_CHECK([that the C compiler understands -errwarn],samba_cv_HAVE_errwarn, [
308   AC_TRY_RUN_STRICT([
309    int main(void)
310    {
311         return 0;
312    }],[$CFLAGS -errwarn=%all],[$CPPFLAGS],[$LDFLAGS],
313    samba_cv_HAVE_errwarn=yes,samba_cv_HAVE_errwarn=no,samba_cv_HAVE_errwarn=cross)])
314 if test x"$samba_cv_HAVE_errwarn" = x"yes"; then
315    Werror_FLAGS="-errwarn=%all"
316 else
317 dnl Check if the C compiler understands -qhalt (IBM)
318 AC_CACHE_CHECK([that the C compiler understands -qhalt],samba_cv_HAVE_qhalt, [
319   AC_TRY_RUN_STRICT([
320    int main(void)
321    {
322         return 0;
323    }],[$CFLAGS -qhalt=w],[$CPPFLAGS],[$LDFLAGS],
324    samba_cv_HAVE_qhalt=yes,samba_cv_HAVE_qhalt=no,samba_cv_HAVE_qhalt=cross)])
325 if test x"$samba_cv_HAVE_qhalt" = x"yes"; then
326    Werror_FLAGS="-qhalt=w"
327 fi
328 fi
329 fi
330 fi
331
332 ############################################
333 # check if the compiler can handle negative enum values
334 # and don't truncate the values to INT_MAX
335 # a runtime test is needed here
336 AC_SUBST(PIDL_ARGS)
337 AC_CACHE_CHECK([that the C compiler understands negative enum values],samba_cv_CC_NEGATIVE_ENUM_VALUES, [
338     AC_TRY_RUN(
339 [
340         #include <stdio.h>
341         enum negative_values { NEGATIVE_VALUE = 0xFFFFFFFF };
342         int main(void) {
343                 enum negative_values v1 = NEGATIVE_VALUE;
344                 unsigned v2 = NEGATIVE_VALUE;
345
346                 if (v1 != 0xFFFFFFFF) {
347                         printf("%u != 0xFFFFFFFF\n", v1);
348                         return 1;
349                 }
350                 if (v2 != 0xFFFFFFFF) {
351                         printf("%u != 0xFFFFFFFF\n", v2);
352                         return 1;
353                 }
354
355                 return 0;
356         }
357 ],
358         samba_cv_CC_NEGATIVE_ENUM_VALUES=yes,samba_cv_CC_NEGATIVE_ENUM_VALUES=no)])
359 if test x"$samba_cv_CC_NEGATIVE_ENUM_VALUES" != x"yes"; then
360         AC_MSG_WARN([using --uint-enums for pidl])
361         PIDL_ARGS="$PIDL_ARGS --uint-enums"
362 fi
363
364 dnl Figure out the flags to support named structure initializers
365
366 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_ERROR([c99 structure initializer are not supported])])
367
368 UNAME_S=`(uname -s) 2>/dev/null` || UNAME_S="unknown"
369 AC_MSG_CHECKING(uname -s)
370 AC_MSG_RESULT(${UNAME_S})
371
372 UNAME_R=`(uname -r) 2>/dev/null` || UNAME_R="unknown"
373 AC_MSG_CHECKING(uname -r)
374 AC_MSG_RESULT(${UNAME_R})
375
376 UNAME_M=`(uname -m) 2>/dev/null` || UNAME_M="unknown"
377 AC_MSG_CHECKING(uname -m)
378 AC_MSG_RESULT(${UNAME_M})
379
380 UNAME_P=`(uname -p) 2>/dev/null` || UNAME_P="unknown"
381 AC_MSG_CHECKING(uname -p)
382 AC_MSG_RESULT(${UNAME_P})
383
384 UNAME_I=`(uname -i) 2>/dev/null` || UNAME_I="unknown"
385 AC_MSG_CHECKING(uname -i)
386 AC_MSG_RESULT(${UNAME_I})
387
388 dnl Add #include for broken IRIX header files
389   case "$host_os" in
390         *irix6*)
391                 #TODO add to libreplace
392                 if test x"$ac_cv_prog_gcc" != x"yes" ; then
393                         dnl Fix sensible defaults for MIPSPro compilers. The
394                         dnl error numbers are valid for the 7.3 compilers,
395                         dnl hopefully also valid for the 7.4 series.
396                         dnl
397                         dnl Bugzilla 3801. Force an error on warning 1035
398                         dnl so we don't incorrectly detect stdint.h. This
399                         dnl warning is emitted for #error directives.
400                         CFLAGS="$CFLAGS -diag_error 1035"
401                         dnl 1209: Controlling expression is constant
402                         dnl 1174: Function foo declared but never referenced
403                         dnl 3201: Parameter foo was never referenced
404                         CFLAGS="$CFLAGS -woff 1209,1174,3201"
405                 fi
406         ;;
407 esac
408
409 DYNEXP=
410 AC_SUBST(DYNEXP)
411 LDSHFLAGS_Z_DEFS=
412 AC_SUBST(LDSHFLAGS_Z_DEFS)
413 LDSHFLAGS_Z_NODEFS=
414 AC_SUBST(LDSHFLAGS_Z_NODEFS)
415
416 dnl Add modules that have to be built by default here
417 dnl These have to be built static:
418 default_static_modules=""
419 default_static_modules="$default_static_modules pdb_smbpasswd"
420 default_static_modules="$default_static_modules pdb_tdbsam"
421 default_static_modules="$default_static_modules pdb_wbc_sam"
422 default_static_modules="$default_static_modules rpc_lsarpc"
423 default_static_modules="$default_static_modules rpc_samr"
424 default_static_modules="$default_static_modules rpc_winreg"
425 default_static_modules="$default_static_modules rpc_initshutdown"
426 default_static_modules="$default_static_modules rpc_dssetup"
427 default_static_modules="$default_static_modules rpc_wkssvc"
428 default_static_modules="$default_static_modules rpc_svcctl"
429 default_static_modules="$default_static_modules rpc_ntsvcs"
430 default_static_modules="$default_static_modules rpc_netlogon"
431 default_static_modules="$default_static_modules rpc_netdfs"
432 default_static_modules="$default_static_modules rpc_srvsvc"
433 default_static_modules="$default_static_modules rpc_spoolss"
434 default_static_modules="$default_static_modules rpc_eventlog"
435 default_static_modules="$default_static_modules auth_sam"
436 default_static_modules="$default_static_modules auth_unix"
437 default_static_modules="$default_static_modules auth_winbind"
438 default_static_modules="$default_static_modules auth_wbc"
439 default_static_modules="$default_static_modules auth_server"
440 default_static_modules="$default_static_modules auth_domain"
441 default_static_modules="$default_static_modules auth_builtin"
442 default_static_modules="$default_static_modules vfs_default"
443 default_static_modules="$default_static_modules nss_info_template"
444
445 dnl These are preferably build shared, and static if dlopen() is not available
446 default_shared_modules=""
447 default_shared_modules="$default_shared_modules vfs_recycle"
448 default_shared_modules="$default_shared_modules vfs_audit"
449 default_shared_modules="$default_shared_modules vfs_extd_audit"
450 default_shared_modules="$default_shared_modules vfs_full_audit"
451 default_shared_modules="$default_shared_modules vfs_netatalk"
452 default_shared_modules="$default_shared_modules vfs_fake_perms"
453 default_shared_modules="$default_shared_modules vfs_default_quota"
454 default_shared_modules="$default_shared_modules vfs_readonly"
455 default_shared_modules="$default_shared_modules vfs_cap"
456 default_shared_modules="$default_shared_modules vfs_expand_msdfs"
457 default_shared_modules="$default_shared_modules vfs_shadow_copy"
458 default_shared_modules="$default_shared_modules vfs_shadow_copy2"
459 default_shared_modules="$default_shared_modules auth_script"
460 default_shared_modules="$default_shared_modules vfs_readahead"
461 default_shared_modules="$default_shared_modules vfs_xattr_tdb"
462 default_shared_modules="$default_shared_modules vfs_streams_xattr"
463 default_shared_modules="$default_shared_modules vfs_streams_depot"
464 default_shared_modules="$default_shared_modules vfs_acl_xattr"
465 default_shared_modules="$default_shared_modules vfs_acl_tdb"
466 default_shared_modules="$default_shared_modules vfs_smb_traffic_analyzer"
467 default_shared_modules="$default_shared_modules vfs_preopen"
468 default_shared_modules="$default_shared_modules vfs_catia"
469 default_shared_modules="$default_shared_modules vfs_scannedonly"
470 default_shared_modules="$default_shared_modules vfs_crossrename"
471 default_shared_modules="$default_shared_modules vfs_linux_xfs_sgid"
472 default_shared_modules="$default_shared_modules vfs_time_audit"
473 default_shared_modules="$default_shared_modules idmap_autorid"
474
475 if test "x$developer" = xyes; then
476    default_static_modules="$default_static_modules rpc_rpcecho pdb_ads"
477    default_static_modules="$default_static_modules auth_netlogond"
478    default_shared_modules="$default_shared_modules perfcount_test"
479 fi
480
481 #
482 # Config CPPFLAG settings for strange OS's that must be set
483 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
484 # case statement; its first reference must be unconditional.
485 #
486 case "$host_os" in
487     *hpux*)
488 #
489 # Defines needed for HPUX support.
490 # HPUX has bigcrypt but (sometimes?) doesn't use it for
491 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
492 #
493       case `uname -r` in
494                 *9*|*10*|*11)
495                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
496                 ;;
497       esac
498       ;;
499
500 #
501 # CRAY Unicos has broken const handling
502        *unicos*)
503           AC_MSG_RESULT([disabling const])
504           CPPFLAGS="$CPPFLAGS -Dconst="
505           ;;
506         
507 #
508 # AIX4.x doesn't even admit to having large
509 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
510 #
511     *aix4*)
512           AC_MSG_RESULT([enabling large file support])
513       CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
514           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
515       ;;
516 #
517 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
518 # to the existance of large files..
519 # Note that -D_LARGEFILE64_SOURCE is different from the Sun
520 # recommendations on large file support, however it makes the
521 # compile work using gcc 2.7 and 2.8, whereas using the Sun
522 # recommendation makes the compile fail on gcc2.7. JRA.
523 #
524 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
525 #
526         *solaris*)
527                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
528                 case `uname -r` in
529                         5.0|5.0.*|5.1|5.1.*|5.2|5.2.*|5.3|5.3.*|5.5|5.5.*)
530                                 AC_MSG_RESULT([no large file support])
531                                 ;;
532                         5.*)
533                         LDFLAGS="$LDFLAGS -lthread"
534                         CPPFLAGS="$CPPFLAGS -D_REENTRANT"
535                         AC_MSG_RESULT([enabling large file support])
536                         if test "$ac_cv_prog_gcc" = yes; then
537                                 ${CC-cc} -v >conftest.c 2>&1
538                                 ac_cv_gcc_compiler_version_number=`grep 'gcc version' conftest.c`
539                                 rm -fr conftest.c
540                                 case "$ac_cv_gcc_compiler_version_number" in
541                                         *"gcc version 2.6"*|*"gcc version 2.7"*)
542                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
543                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
544                                                 ;;
545                                         *)
546                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
547                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
548                                                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
549                                                 ;;
550                                 esac
551                         else
552                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
553                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
554                                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
555                         fi
556                         ;;
557                 esac
558                 ;;
559 #
560 # IRIX uses SYSV printing.  Make sure to set that here
561 #
562         *irix*)
563                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
564                 ;;
565         *freebsd*|*dragonfly*)
566                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
567                 ;;
568 #
569 # VOS may need to have POSIX support and System V compatibility enabled.
570 #
571     *vos*)
572     case "$CPPFLAGS" in
573           *-D_POSIX_C_SOURCE*)
574                 ;;
575           *)
576                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
577                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
578                 ;;
579     esac
580     case "$CPPFLAGS" in
581           *-D_SYSV*|*-D_SVID_SOURCE*)
582                 ;;
583           *)
584                 CPPFLAGS="$CPPFLAGS -D_SYSV"
585                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
586     esac
587     ;;
588 #
589 # Tests needed for SINIX large file support.
590 #
591     *sysv4*)
592       if test $host = mips-sni-sysv4 ; then
593         AC_MSG_CHECKING([for LFS support])
594         old_CPPFLAGS="$CPPFLAGS"
595         CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
596         AC_TRY_RUN([
597 #include <unistd.h>
598 main () {
599 #if _LFS64_LARGEFILE == 1
600 exit(0);
601 #else
602 exit(1);
603 #endif
604 }], [SINIX_LFS_SUPPORT=yes], [SINIX_LFS_SUPPORT=no], [SINIX_LFS_SUPPORT=cross])
605         CPPFLAGS="$old_CPPFLAGS"
606         if test x$SINIX_LFS_SUPPORT = xyes ; then
607           CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
608                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
609           CFLAGS="`getconf LFS64_CFLAGS` $CFLAGS"
610           LDFLAGS="`getconf LFS64_LDFLAGS` $LDFLAGS"
611           LIBS="`getconf LFS64_LIBS` $LIBS"
612         fi
613       AC_MSG_RESULT([$SINIX_LFS_SUPPORT])
614       fi
615     ;;
616
617 # Systems with LFS support.
618 #
619     gnu* | k*bsd*-gnu | kopensolaris*-gnu)
620         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
621         AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
622         AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
623         AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
624         ;;
625
626 # Tests for linux LFS support. Need kernel 2.4 and glibc2.2 or greater support.
627 #
628     *linux*)
629         AC_MSG_CHECKING([for LFS support])
630         old_CPPFLAGS="$CPPFLAGS"
631         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
632        AC_TRY_RUN([
633 #include <unistd.h>
634 #include <sys/utsname.h>
635 #include <string.h>
636 #include <stdlib.h>
637 main() {
638 #if _LFS64_LARGEFILE == 1
639        struct utsname uts;
640        char *release;
641        int major, minor;
642
643        /* Ensure this is glibc 2.2 or higher */
644 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
645        int libc_major = __GLIBC__;
646        int libc_minor = __GLIBC_MINOR__;
647
648        if (libc_major < 2)
649               exit(1);
650        if (libc_minor < 2)
651               exit(1);
652 #endif
653
654        /* Ensure this is kernel 2.4 or higher */
655
656        uname(&uts);
657        release = strdup(uts.release);
658        major = atoi(strsep(&release, "."));
659        minor = atoi(strsep(&release, "."));
660
661        if (major > 2 || (major == 2 && minor > 3))
662                exit(0);
663        exit(1);
664 #else
665        exit(1);
666 #endif
667 }
668 ], [LINUX_LFS_SUPPORT=yes], [LINUX_LFS_SUPPORT=no], [LINUX_LFS_SUPPORT=cross])
669         CPPFLAGS="$old_CPPFLAGS"
670         if test x$LINUX_LFS_SUPPORT = xyes ; then
671                 CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
672                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
673                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
674                 AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
675         fi
676         AC_MSG_RESULT([$LINUX_LFS_SUPPORT])
677         ;;
678
679 #
680 # MacOS X is the *only* system that uses compose character in utf8. This
681 # is so horribly broken....
682 #
683     *darwin*)
684         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
685
686 # Add a system specific charset module.
687         default_shared_modules="$default_shared_modules"
688
689         ;;
690     *hurd*)
691         AC_MSG_CHECKING([for LFS support])
692         old_CPPFLAGS="$CPPFLAGS"
693         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
694         AC_TRY_RUN([
695 #include <unistd.h>
696 main () {
697 #if _LFS64_LARGEFILE == 1
698 exit(0);
699 #else
700 exit(1);
701 #endif
702 }], [GLIBC_LFS_SUPPORT=yes], [GLIBC_LFS_SUPPORT=no], [GLIBC_LFS_SUPPORT=cross])
703         CPPFLAGS="$old_CPPFLAGS"
704         if test x$GLIBC_LFS_SUPPORT = xyes ; then
705           CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
706                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
707           AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
708         fi
709       AC_MSG_RESULT([$GLIBC_LFS_SUPPORT])
710     ;;
711     *qnx*)
712         CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
713         AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
714         ;;
715
716 esac
717
718 SAVE_CPPFLAGS="${CPPFLAGS}"
719 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
720
721 AC_LIBREPLACE_BROKEN_CHECKS
722 AC_CHECK_FUNCS([syslog],[],[AC_MSG_ERROR([Required function not found])])
723 AC_LIBREPLACE_NETWORK_CHECKS
724
725 CPPFLAGS="${SAVE_CPPFLAGS}"
726
727 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
728
729 LIBREPLACE_OBJS="${LIBREPLACEOBJ}"
730 AC_SUBST(LIBREPLACE_OBJS)
731
732 LIBREPLACE_LIBS="${LIBREPLACE_NETWORK_LIBS}"
733 AC_SUBST(LIBREPLACE_LIBS)
734
735
736 # add -ldl to the global LIBS
737 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
738 AUTH_LIBS="${AUTH_LIBS} ${CRYPT_LIBS}"
739
740
741 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
742 AC_CHECK_HEADERS(unistd.h grp.h sys/id.h memory.h alloca.h)
743 AC_CHECK_HEADERS(limits.h float.h libintl.h)
744 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
745 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h sys/sysctl.h)
746 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
747 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
748 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
749 AC_CHECK_HEADERS(sys/sysmacros.h)
750 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
751 AC_CHECK_HEADERS(langinfo.h locale.h)
752 AC_CHECK_HEADERS(xfs/libxfs.h)
753 AC_CHECK_HEADERS(netgroup.h)
754 AC_CHECK_HEADERS(linux/falloc.h)
755
756 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
757 #if HAVE_RPC_RPC_H
758 #include <rpc/rpc.h>
759 #endif
760 ]])
761
762 ## These fail to compile on IRIX so just check for their presence
763 AC_CHECK_HEADERS(sys/mode.h,,,)
764
765 # Look for Darwin headers
766 old_CPPFLAGS="$CPPFLAGS"
767 CPPFLAGS="-Iinclude $CPPFLAGS"
768 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
769 CPPFLAGS="$old_CPPFLAGS"
770
771 # To link lib/util/charset/charset_macosxfs.c, we need to tell the linker
772 # about CoreFoundation
773 case "$host_os" in
774     *darwin11*)
775                 LDFLAGS="$LDFLAGS -framework CoreFoundation"
776         ;;
777 esac
778
779 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
780 # subdirectory of headers.
781 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
782
783 if test x"$enable_developer" = x"yes" ; then
784    if test x"$ac_cv_header_valgrind_h" = xyes -o \
785            x"$ac_cv_header_valgrind_valgrind_h" = xyes ; then
786       AC_DEFINE(VALGRIND,1,[Whether we have valgrind headers])
787    fi
788 fi
789
790 #
791 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
792 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
793 #
794 case "$host_os" in
795     *hpux*)
796                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
797                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
798                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
799                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
800                 fi
801         ;;
802 esac
803 AC_CHECK_HEADERS(shadow.h)
804 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
805 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
806
807 AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h sys/extattr.h sys/uio.h)
808 AC_CHECK_HEADERS(sys/ea.h sys/proplist.h)
809
810 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
811
812 # For experimental utmp support (lastlog on some BSD-like systems)
813 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
814
815 AC_CHECK_SIZEOF(int,cross)
816 AC_CHECK_SIZEOF(long,cross)
817 AC_CHECK_SIZEOF(long long,cross)
818 AC_CHECK_SIZEOF(short,cross)
819
820 AC_C_CONST
821 AC_C_INLINE
822 AC_C_BIGENDIAN
823 AC_C_CHAR_UNSIGNED
824
825 AC_TYPE_SIGNAL
826 AC_TYPE_UID_T
827 AC_TYPE_MODE_T
828 AC_TYPE_OFF_T
829 AC_TYPE_SIZE_T
830 AC_TYPE_PID_T
831 AC_STRUCT_ST_RDEV
832 AC_DIRENT_D_OFF
833 AC_CHECK_TYPE(ssize_t, int)
834 AC_CHECK_TYPE(wchar_t, unsigned short)
835
836 ############################################
837 # for cups support we need libcups, and a handful of header files
838
839 AC_ARG_ENABLE(cups,
840 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
841
842 if test x$enable_cups != xno; then
843         AC_PATH_PROG(CUPS_CONFIG, cups-config)
844
845         if test "x$CUPS_CONFIG" != x; then
846
847                 ac_save_LDFLAGS=$LDFLAGS
848                 ac_save_PRINT_LIBS=$PRINT_LIBS
849                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
850
851                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
852                         x"$ac_cv_header_cups_language_h" = xyes; then
853                         # try linking with -lcups alone first. That should work unless libcups is
854                         # underlinked. With cups-config --libs we pull in unwanted and unneeded
855                         # dendencies including thread libraries - use cups-config only if really
856                         # required. 
857                         AC_CHECK_LIB_EXT(cups, ac_save_PRINT_LIBS , httpConnect,
858                                 [PRINT_LIBS="$ac_save_PRINT_LIBS -lcups"],
859                                 [AC_MSG_WARN([your cups library doesn't link with -lcups alone, it might be underlinked.]) ;
860                                  PRINT_LIBS="$ac_save_PRINT_LIBS `$CUPS_CONFIG --libs`"])
861
862                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
863                         samba_cv_HAVE_CUPS=yes
864                         AC_CHECK_LIB_EXT(cups, PRINT_LIBS, httpConnectEncrypt)
865                 else
866                         AC_MSG_WARN([cups-config around but cups-devel not installed])
867                         CFLAGS=$ac_save_CFLAGS
868                         LDFLAGS=$ac_save_LDFLAGS
869                         PRINT_LIBS=$ac_save_PRINT_LIBS
870                 fi
871
872         elif test x"$enable_cups" = x"yes"; then
873                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
874         fi
875 fi
876
877 AC_ARG_ENABLE(iprint,
878 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
879
880 if test x$enable_iprint != xno; then
881         if test x"$samba_cv_HAVE_CUPS" = xyes; then
882                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
883         elif test x"$enable_iprint" = x"yes"; then
884                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
885         fi
886 fi
887
888 ############################################
889 # check if the compiler will optimize out function calls
890 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
891     AC_TRY_LINK([
892 #include <stdio.h>],
893 [
894                 if (0) {
895                    this_function_does_not_exist();
896                 } else {
897                   return 1;
898                 }
899
900 ],
901         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
902 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
903    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
904 fi
905
906 #############################################
907 # check for fd passing struct via msg_control
908 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
909     AC_TRY_COMPILE([
910 #include <sys/types.h>
911 #include <stdlib.h>
912 #include <stddef.h>
913 #include <sys/socket.h>
914 #include <sys/un.h>],
915 [
916         struct msghdr msg;
917         union {
918               struct cmsghdr cm;
919               char control[CMSG_SPACE(sizeof(int))];
920         } control_un;
921         msg.msg_control = control_un.control;
922         msg.msg_controllen = sizeof(control_un.control);
923 ],
924         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
925 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
926    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
927              [If we can use msg_control for passing file descriptors])
928 fi
929
930 #############################################
931 # check for fd passing struct via msg_acctrights
932 AC_CACHE_CHECK([for fd passing via msg_acctrights],
933                 samba_cv_msghdr_msg_acctrights, [
934     AC_TRY_COMPILE([
935 #include <sys/types.h>
936 #include <stdlib.h>
937 #include <stddef.h>
938 #include <sys/socket.h>
939 #include <sys/un.h>],
940 [
941         struct msghdr msg;
942         int fd;
943         msg.msg_acctrights = (caddr_t) &fd;
944         msg.msg_acctrightslen = sizeof(fd);
945 ],
946         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
947 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
948    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
949              [If we can use msg_acctrights for passing file descriptors])
950 fi
951
952 AC_CHECK_FUNCS(dirfd)
953 if test x"$ac_cv_func_dirfd" = x"yes"; then
954         default_shared_modules="$default_shared_modules vfs_syncops vfs_dirsort"
955 fi
956
957 AC_CACHE_CHECK([for struct sigevent type],samba_cv_struct_sigevent, [
958     AC_TRY_COMPILE([
959 #include <sys/types.h>
960 #if STDC_HEADERS
961 #include <stdlib.h>
962 #include <stddef.h>
963 #endif
964 #include <signal.h>],[struct sigevent s;],
965         samba_cv_struct_sigevent=yes,samba_cv_struct_sigevent=no)])
966 if test x"$samba_cv_struct_sigevent" = x"yes"; then
967    AC_DEFINE(HAVE_STRUCT_SIGEVENT,1,[Whether we have the struct sigevent])
968    AC_CHECK_MEMBERS([struct sigevent.sigev_value.sival_ptr,struct sigevent.sigev_value.sigval_ptr], , ,
969         [#include <signal.h>])
970 fi
971
972 # and glibc has setresuid under linux but the function does
973 # nothing until kernel 2.1.44! very dumb.
974 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
975     AC_TRY_RUN([#include <errno.h>
976 main() { setresuid(1,1,1); setresuid(2,2,2); exit(errno==EPERM?0:1);}],
977         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
978 if test x"$samba_cv_have_setresuid" = x"yes"; then
979     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
980 fi
981
982 # Do the same check for setresguid...
983 #
984 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
985     AC_TRY_RUN([#include <unistd.h>
986 #include <errno.h>
987 main() { errno = 0; setresgid(1,1,1); exit(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
988         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
989 if test x"$samba_cv_have_setresgid" = x"yes"; then
990     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
991 fi
992
993 AC_FUNC_MEMCMP
994
995 ###############################################
996 # Readline included by default unless explicitly asked not to
997 test "${with_readline+set}" != "set" && with_readline=yes
998
999 # test for where we get readline() from
1000 AC_MSG_CHECKING(whether to use readline)
1001 AC_ARG_WITH(readline,
1002 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
1003 [  case "$with_readline" in
1004   yes)
1005     AC_MSG_RESULT(yes)
1006
1007     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
1008     AC_CHECK_HEADERS(readline/history.h)
1009
1010     AC_CHECK_HEADERS(readline.h readline/readline.h,[
1011       for termlib in ncurses curses termcap terminfo termlib tinfo; do
1012        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
1013       done
1014       AC_CHECK_LIB(readline, rl_callback_handler_install,
1015        [TERMLIBS="-lreadline $TERMLIBS"
1016        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
1017        break], [TERMLIBS=], $TERMLIBS)])
1018     ;;
1019   no)
1020     AC_MSG_RESULT(no)
1021     ;;
1022   *)
1023     AC_MSG_RESULT(yes)
1024
1025     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
1026     # alternate readline path
1027     _ldflags=${LDFLAGS}
1028     _cppflags=${CPPFLAGS}
1029
1030     # Add additional search path
1031     LDFLAGS="-L$with_readline/lib $LDFLAGS"
1032     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
1033
1034     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
1035     AC_CHECK_HEADERS(readline/history.h)
1036
1037     AC_CHECK_HEADERS(readline.h readline/readline.h,[
1038       for termlib in ncurses curses termcap terminfo termlib; do
1039        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
1040       done
1041       AC_CHECK_LIB(readline, rl_callback_handler_install,
1042        [TERMLDFLAGS="-L$with_readline/lib"
1043        TERMCPPFLAGS="-I$with_readline/include"
1044        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
1045        TERMLIBS="-lreadline $TERMLIBS"
1046        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
1047        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
1048
1049     LDFLAGS=$_ldflags
1050     ;;
1051   esac],
1052   AC_MSG_RESULT(no)
1053 )
1054 AC_SUBST(TERMLIBS)
1055 AC_SUBST(TERMLDFLAGS)
1056
1057 # The readline API changed slightly from readline3 to readline4, so
1058 # code will generate warnings on one of them unless we have a few
1059 # special cases.
1060 AC_CHECK_LIB(readline, rl_completion_matches,
1061              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
1062                         [Do we have rl_completion_matches?])],
1063              [],
1064              [$TERMLIBS])
1065
1066 # not all readline libs have rl_event_hook or history_list
1067 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
1068 AC_CHECK_LIB(readline, history_list,
1069              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
1070              [],
1071              [$TERMLIBS])
1072
1073 ###############################################
1074 # test for where we get yp_get_default_domain() from
1075 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
1076 AC_CHECK_FUNCS(yp_get_default_domain)
1077
1078 # Check if we have execl, if not we need to compile smbrun.
1079 AC_CHECK_FUNCS(execl)
1080 if test x"$ac_cv_func_execl" = x"no"; then
1081     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun\$(EXEEXT)"
1082 fi
1083
1084 AC_CHECK_FUNCS(getcwd fchown chmod fchmod mknod mknod64)
1085 AC_CHECK_FUNCS(strtol)
1086 AC_CHECK_FUNCS(strchr chflags)
1087 AC_CHECK_FUNCS(getrlimit fsync setpgid)
1088 AC_CHECK_FUNCS(fdatasync,,[AC_CHECK_LIB_EXT(rt, LIBS, fdatasync)])
1089 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
1090 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
1091 AC_CHECK_FUNCS(initgroups select rdchk getgrnam getgrent pathconf)
1092 AC_CHECK_FUNCS(getgrset)
1093 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups sysconf stat64 fstat64)
1094 AC_CHECK_FUNCS(lstat64 fopen64 atexit grantpt lseek64 ftruncate64 posix_fallocate posix_fallocate64)
1095 AC_CHECK_FUNCS(fallocate fallocate64)
1096 AC_CHECK_FUNCS(fseeko fseek64 fseeko64 ftell64 ftello64 setluid getpwanam)
1097 AC_CHECK_FUNCS(opendir64 readdir64 seekdir64 telldir64 rewinddir64 closedir64)
1098 AC_CHECK_FUNCS(fdopendir fdopendir64)
1099 AC_CHECK_FUNCS(getpwent_r)
1100 AC_CHECK_FUNCS(getdents64)
1101 AC_CHECK_FUNCS(setenv strcasecmp fcvt fcvtl)
1102 AC_CHECK_FUNCS(syslog vsyslog timegm)
1103 AC_CHECK_FUNCS(setlocale)
1104 AC_CHECK_FUNCS(nanosleep,,[AC_CHECK_LIB_EXT(rt, LIBS, nanosleep)])
1105 AC_CHECK_FUNCS(lutimes futimes utimensat futimens)
1106 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
1107 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
1108 AC_CHECK_HEADERS(sys/mman.h)
1109 # setbuffer, shmget, shm_open are needed for smbtorture
1110 AC_CHECK_FUNCS(shmget shm_open)
1111 AC_CHECK_FUNCS(gettext dgettext)
1112 AC_CHECK_FUNCS(bindtextdomain textdomain bind_textdomain_codeset)
1113 AC_CHECK_FUNCS(strupr)
1114
1115 # Find a method of generating a stack trace
1116 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
1117 # libexecinfo provides backtrace_symbols on FreeBSD
1118 AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
1119 AC_CHECK_FUNCS(backtrace_symbols)
1120 AC_CHECK_LIB(exc, trace_back_stack)
1121
1122 # check for sysctlbyname and sysctl for BSD systems
1123 AC_CHECK_FUNCS(sysctlbyname)
1124 AC_CHECK_FUNCS(sysctl)
1125
1126 #################################################
1127 # Check to see if core dump directory is defined in linux
1128 # with /proc/sys/kernel/core_pattern
1129
1130 AC_CHECK_FILE([/proc/sys/kernel/core_pattern],
1131         AC_DEFINE(HAVE_SYS_KERNEL_PROC_CORE_PATTERN, 1,
1132         [Whether Linux kernel uses core_pattern for core files]),
1133          [])
1134
1135 #############################
1136 # check if building with gpfs
1137 AC_CHECK_HEADERS(gpfs_gpl.h)
1138 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes"; then
1139     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL headers are available])
1140     default_shared_modules="$default_shared_modules vfs_gpfs"
1141     default_shared_modules="$default_shared_modules vfs_gpfs_hsm_notify"
1142 fi
1143
1144 #############################################
1145 # check if building on Isilon OneFS
1146 printf "%s" "checking for Isilon OneFS... "
1147 save_LIBS="$LIBS"
1148 LIBS="$LIBS -lisi_version"
1149 AC_TRY_LINK([#include <isi_version/isi_version.h>],
1150           [get_isilon_copyright()],
1151           samba_cv_HAVE_ONEFS=yes,
1152           samba_cv_HAVE_ONEFS=no)
1153 echo $samba_cv_HAVE_ONEFS
1154 if test x"$samba_cv_HAVE_ONEFS" = x"yes"; then
1155     AC_DEFINE(HAVE_ONEFS,1,[Whether building on Isilon OneFS])
1156     default_shared_modules="$default_shared_modules vfs_onefs vfs_onefs_shadow_copy perfcount_onefs"
1157     default_static_modules="$default_static_modules"
1158     ONEFS_LIBS="-lisi_acl -lisi_ecs -lisi_event -lisi_util"
1159     # Need to also add general libs for oplocks support
1160     save_LIBS="$save_LIBS -lisi_ecs -lisi_event -lisi_util -ldevstat"
1161 fi
1162 AC_SUBST(ONEFS_LIBS)
1163 LIBS="$save_LIBS"
1164
1165 # Note that all the libunwind symbols in the API are defined to internal
1166 # platform-specific version, so we must include libunwind.h before checking
1167 # any of them.
1168 AC_MSG_CHECKING([for libunwind])
1169 save_LIBS=$LIBS
1170
1171 UNWIND_ARCH="unknown"
1172 if test x"$UNAME_I" != x"unknown"; then
1173         UNWIND_ARCH="$UNAME_I"
1174 elif test x"$UNAME_M" != x"unknown"; then
1175         UNWIND_ARCH="$UNAME_M"
1176 elif test x"$UNAME_P" != x"unknown"; then
1177         UNWIND_ARCH="$UNAME_P"
1178 fi
1179
1180 case "$UNWIND_ARCH" in
1181         unknown)
1182                 # This probably won't link without
1183                 # the platform-specific libunwind.
1184                 LIBS="$LIBS -lunwind"
1185                 ;;
1186         i386|i586|i686)
1187                 # Add the platform-specific libunwind module.
1188                 LIBS="$LIBS -lunwind -lunwind-x86"
1189                 ;;
1190         *)
1191                 # Add the platform-specific libunwind module.
1192                 # based on uname -i, uname -m or uname -p
1193                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1194                 ;;
1195 esac
1196
1197 AC_TRY_LINK(
1198     [
1199 #ifdef HAVE_LIBUNWIND_H
1200 #include <libunwind.h>
1201 #endif
1202     ],
1203     [
1204         unw_context_t ctx; unw_cursor_t cur;
1205         char buf[256]; unw_word_t off;
1206         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1207         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1208     ],
1209     [
1210         AC_MSG_RESULT(yes)
1211         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1212
1213         # If we have libunwind, test whether we also have libunwind-ptrace
1214         # which would let us unwind arbitrary processes.
1215         save_LIBS=$LIBS
1216         AC_CHECK_HEADERS(libunwind-ptrace.h)
1217         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1218             [
1219                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1220                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1221                     [Whether libunwind-ptrace.a is available.])
1222             ],
1223             [ LIBUNWIND_PTRACE="" ])
1224
1225         LIBS=$save_LIBS
1226     ],
1227     [
1228         AC_MSG_RESULT(no)
1229         LIBS=$save_LIBS
1230     ])
1231
1232 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1233 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1234     AC_CHECK_HEADERS(sys/ptrace.h)
1235     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1236     AC_TRY_LINK(
1237             [
1238 #if HAVE_SYS_TYPES_H
1239 #include <sys/types.h>
1240 #endif
1241 #if HAVE_SYS_PTRACE_H
1242 #include <sys/ptrace.h>
1243 #endif
1244             ],
1245             [
1246                 pid_t me = (pid_t)-1;
1247                 ptrace(PTRACE_ATTACH, me, 0, 0);
1248                 ptrace(PTRACE_DETACH, me, 0, 0);
1249                 return 0;
1250             ],
1251             [
1252                 AC_MSG_RESULT(yes)
1253                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1254                     [Whether the Linux ptrace(2) interface is available.])
1255             ],
1256             [
1257                 AC_MSG_RESULT(no)
1258                 LIBUNWIND_PTRACE=""
1259             ])
1260 fi
1261
1262 AC_SUBST(LIBUNWIND_PTRACE)
1263
1264 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1265 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1266 AC_CHECK_FUNCS(__getcwd _getcwd)
1267 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1268 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1269 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1270 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1271 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1272 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1273 AC_CHECK_FUNCS(_stat64 __stat64 _fstat64 __fstat64 _lstat64 __lstat64)
1274 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek readdir64 _readdir64 __readdir64)
1275 AC_CHECK_FUNCS(pread _pread __pread pread64 _pread64 __pread64)
1276 AC_CHECK_FUNCS(pwrite _pwrite __pwrite pwrite64 _pwrite64 __pwrite64)
1277 AC_CHECK_FUNCS(open64 _open64 __open64 creat64)
1278 AC_CHECK_FUNCS(prctl)
1279
1280 AC_TRY_COMPILE([
1281 #ifdef HAVE_SYS_PRCTL_H
1282 #include <sys/prctl.h>
1283 #endif
1284 ],
1285 [int i; i = prtcl(0); ],
1286 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1287
1288 #
1289 #
1290 #
1291 case "$host_os" in
1292     *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
1293        # glibc <= 2.3.2 has a broken getgrouplist
1294        AC_CACHE_CHECK([for good getgrouplist],samba_cv_linux_getgrouplist_ok,[AC_TRY_RUN([
1295 #include <unistd.h>
1296 #include <sys/utsname.h>
1297 main() {
1298        /* glibc up to 2.3 has a broken getgrouplist */
1299 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1300        int libc_major = __GLIBC__;
1301        int libc_minor = __GLIBC_MINOR__;
1302
1303        if (libc_major < 2)
1304               exit(1);
1305        if ((libc_major == 2) && (libc_minor <= 3))
1306               exit(1);
1307 #endif
1308        exit(0);
1309 }
1310 ], [samba_cv_linux_getgrouplist_ok=yes],
1311    [samba_cv_linux_getgrouplist_ok=no],
1312    [samba_cv_linux_getgrouplist_ok=cross])])
1313        if test x"$samba_cv_linux_getgrouplist_ok" = x"yes"; then
1314           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1315        fi
1316        ;;
1317     *)
1318        AC_CHECK_FUNCS(getgrouplist)
1319        ;;
1320 esac
1321
1322 #
1323 # stat64 family may need <sys/stat.h> on some systems, notably ReliantUNIX
1324 #
1325
1326 if test x$ac_cv_func_stat64 = xno ; then
1327   AC_MSG_CHECKING([for stat64 in <sys/stat.h>])
1328   AC_TRY_LINK([
1329 #if defined(HAVE_UNISTD_H)
1330 #include <unistd.h>
1331 #endif
1332 #include <sys/stat.h>
1333 ], [struct stat64 st64; exit(stat64(".",&st64));], [ac_cv_func_stat64=yes])
1334   AC_MSG_RESULT([$ac_cv_func_stat64])
1335   if test x$ac_cv_func_stat64 = xyes ; then
1336     AC_DEFINE(HAVE_STAT64,1,[Whether stat64() is available])
1337   fi
1338 fi
1339
1340 if test x$ac_cv_func_lstat64 = xno ; then
1341   AC_MSG_CHECKING([for lstat64 in <sys/stat.h>])
1342   AC_TRY_LINK([
1343 #if defined(HAVE_UNISTD_H)
1344 #include <unistd.h>
1345 #endif
1346 #include <sys/stat.h>
1347 ], [struct stat64 st64; exit(lstat64(".",&st64));], [ac_cv_func_lstat64=yes])
1348   AC_MSG_RESULT([$ac_cv_func_lstat64])
1349   if test x$ac_cv_func_lstat64 = xyes ; then
1350     AC_DEFINE(HAVE_LSTAT64,[Whether lstat64() is available])
1351   fi
1352 fi
1353
1354 if test x$ac_cv_func_fstat64 = xno ; then
1355   AC_MSG_CHECKING([for fstat64 in <sys/stat.h>])
1356   AC_TRY_LINK([
1357 #if defined(HAVE_UNISTD_H)
1358 #include <unistd.h>
1359 #endif
1360 #include <sys/stat.h>
1361 ], [struct stat64 st64; exit(fstat64(0,&st64));], [ac_cv_func_fstat64=yes])
1362   AC_MSG_RESULT([$ac_cv_func_fstat64])
1363   if test x$ac_cv_func_fstat64 = xyes ; then
1364     AC_DEFINE(HAVE_FSTAT64,1,[Whether fstat64() is available])
1365   fi
1366 fi
1367
1368 #################################################
1369 # Check whether struct stat has timestamps with sub-second resolution.
1370 #
1371
1372 samba_cv_stat_hires=no
1373 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec], # Linux, Solaris
1374         [samba_cv_stat_hires=yes])
1375 AC_CHECK_MEMBERS([struct stat.st_mtimensec], # BSD, if defined _POSIX_SOURCE
1376         [samba_cv_stat_hires=yes])
1377 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec], # BSD, if not defined _POSIX_SOURCE
1378         [samba_cv_stat_hires=yes])
1379 AC_CHECK_MEMBERS([struct stat.st_mtime_n], # AIX
1380         [samba_cv_stat_hires=yes])
1381 AC_CHECK_MEMBERS([struct stat.st_umtime], # Tru64
1382         [samba_cv_stat_hires=yes])
1383
1384 if test x"$samba_cv_stat_hires" = x"yes" ; then
1385     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1386             [whether struct stat has sub-second timestamps])
1387 fi
1388
1389 # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1390 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
1391 AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
1392
1393
1394 AC_CACHE_CHECK([whether there is DOS flags support in the stat struct], samba_cv_stat_dos_flags,
1395     [
1396         AC_TRY_COMPILE(
1397             [#include <sys/stat.h>],
1398             [
1399                 int a = UF_DOS_ARCHIVE;
1400                 int h = UF_DOS_HIDDEN;
1401                 int r = UF_DOS_RO;
1402                 int s = UF_DOS_SYSTEM;
1403                 int i = UF_DOS_NOINDEX;
1404                 int f = UF_DOS_FLAGS;
1405             ],
1406             samba_cv_stat_dos_flags=yes, samba_cv_stat_dos_flags=no)
1407     ])
1408
1409 if test x"$samba_cv_stat_dos_flags" = x"yes" ; then
1410     AC_DEFINE(HAVE_STAT_DOS_FLAGS, 1, [whether there is DOS flags support in the stat struct])
1411 fi
1412
1413 AC_CACHE_CHECK([whether we can compile with __attribute__((destructor))],
1414                samba_cv_function_attribute_destructor,
1415                [
1416                  AC_COMPILE_IFELSE(
1417                         [
1418                                 __attribute__((destructor))
1419                                 static void cleanup(void) { }
1420                         ],
1421                         samba_cv_function_attribute_destructor=yes)
1422                 ])
1423
1424 if test x"$samba_cv_function_attribute_destructor" = xyes ; then
1425    AC_DEFINE(HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR, 1,
1426              [whether we can compile with __attribute__((destructor))])
1427 fi
1428
1429 #####################################
1430 # needed for SRV lookups
1431 AC_CHECK_LIB(resolv, dn_expand)
1432 AC_CHECK_LIB(resolv, _dn_expand)
1433 AC_CHECK_LIB(resolv, __dn_expand)
1434
1435 AC_TRY_COMPILE([#include <resolv.h>],
1436                [struct __res_state s; res_ninit(&s);],
1437                ac_cv_have_res_ninit=yes,ac_cv_have_res_ninit=no)
1438
1439 if test x"$ac_cv_have_res_ninit" = x"yes"; then
1440         AC_DEFINE(HAVE_RES_NINIT, 1, [Whether we have res_ninit])
1441 fi
1442
1443 #
1444 # Check for the functions putprpwnam, set_auth_parameters,
1445 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1446 # Needed for OSF1 and HPUX.
1447 #
1448
1449 AC_LIBTESTFUNC(security, putprpwnam)
1450 AC_LIBTESTFUNC(sec, putprpwnam)
1451
1452 AC_LIBTESTFUNC(security, set_auth_parameters)
1453 AC_LIBTESTFUNC(sec, set_auth_parameters)
1454
1455 # UnixWare 7.x has its getspnam in -lgen
1456 AC_LIBTESTFUNC(gen, getspnam)
1457
1458 AC_LIBTESTFUNC(security, getspnam)
1459 AC_LIBTESTFUNC(sec, getspnam)
1460
1461 AC_LIBTESTFUNC(security, bigcrypt)
1462 AC_LIBTESTFUNC(sec, bigcrypt)
1463
1464 AC_LIBTESTFUNC(security, getprpwnam)
1465 AC_LIBTESTFUNC(sec, getprpwnam)
1466
1467 AC_CHECK_FUNCS(strsignal)
1468
1469 ############################################
1470 # Check for EA implementations
1471 case "$host_os" in
1472   *osf*)
1473         AC_SEARCH_LIBS(getproplist, [proplist])
1474         AC_CHECK_FUNCS(getproplist fgetproplist setproplist fsetproplist)
1475         AC_CHECK_FUNCS(delproplist fdelproplist add_proplist_entry get_proplist_entry)
1476         AC_CHECK_FUNCS(sizeof_proplist_entry)
1477   ;;
1478   *freebsd4* | *dragonfly* )
1479         AC_DEFINE(BROKEN_EXTATTR, 1, [Does extattr API work])
1480   ;;
1481   *solaris*)
1482         AC_CHECK_FUNCS(attropen)
1483   ;;
1484   *)
1485         AC_SEARCH_LIBS(getxattr, [attr])
1486         AC_CHECK_FUNCS(getxattr,[
1487                 AC_CHECK_FUNCS(lgetxattr fgetxattr listxattr llistxattr flistxattr removexattr lremovexattr fremovexattr setxattr lsetxattr fsetxattr)
1488                 ])
1489         AC_CHECK_FUNCS(getea,[
1490                 AC_CHECK_FUNCS(fgetea lgetea listea flistea llistea removeea fremoveea lremoveea setea fsetea lsetea)
1491                 ])
1492         AC_CHECK_FUNCS(attr_get,[
1493                 AC_CHECK_FUNCS(attr_list attr_set attr_remove attr_getf attr_listf attr_setf attr_removef)
1494                 ])
1495         AC_CHECK_FUNCS(extattr_delete_file,[
1496                 AC_CHECK_FUNCS(extattr_delete_fd extattr_delete_link extattr_get_fd extattr_get_file extattr_get_link extattr_list_fd extattr_list_file extattr_list_link extattr_set_fd extattr_set_file extattr_set_link)
1497                 ])
1498   ;;
1499 esac
1500
1501 ########################################################
1502 # Do xattr functions take additional options like on Darwin?
1503 if test x"$ac_cv_func_getxattr" = x"yes" ; then
1504         AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt, [
1505                 old_LIBS=$LIBS
1506                 LIBS="$LIBS $ACL_LIBS"
1507                 AC_TRY_COMPILE([
1508                         #include <sys/types.h>
1509                         #if HAVE_ATTR_XATTR_H
1510                         #include <attr/xattr.h>
1511                         #elif HAVE_SYS_XATTR_H
1512                         #include <sys/xattr.h>
1513                         #endif
1514                 ],[
1515                         getxattr(0, 0, 0, 0, 0, 0);
1516                 ],
1517                 [smb_attr_cv_xattr_add_opt=yes],
1518                 [smb_attr_cv_xattr_add_opt=no;LIBS=$old_LIBS])
1519         ])
1520         if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
1521                 AC_DEFINE(XATTR_ADD_OPT, 1, [xattr functions have additional options])
1522         fi
1523 fi
1524
1525 AC_DISABLE_STATIC
1526 AC_ENABLE_SHARED
1527
1528 # Set defaults
1529 PIE_CFLAGS=""
1530 PIE_LDFLAGS=""
1531 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1532
1533 if test "x$enable_pie" != xno
1534 then
1535         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1536         [
1537                 cat > conftest.c <<EOF
1538 int foo;
1539 int main () { return 0;}
1540 EOF
1541                 if AC_TRY_COMMAND_NO_STDERR([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c])
1542                 then
1543                         samba_cv_fpie=yes
1544                 else
1545                         samba_cv_fpie=no
1546                 fi
1547                 rm -f conftest*
1548         ])
1549         if test x"${samba_cv_fpie}" = x"yes"
1550         then
1551                 PIE_CFLAGS="-fPIE"
1552                 PIE_LDFLAGS="-pie"
1553         fi
1554 fi
1555
1556 # Set defaults
1557 RELRO_LDFLAGS=""
1558 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1559
1560 if test "x$enable_relro" != xno
1561 then
1562         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1563         [
1564                 cat > conftest.c <<EOF
1565 int foo;
1566 main () { return 0;}
1567 EOF
1568                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1569                 then
1570                         samba_cv_relro=yes
1571                 else
1572                         samba_cv_relro=no
1573                 fi
1574                 rm -f conftest*
1575         ])
1576         if test x"${samba_cv_relro}" = x"yes"
1577         then
1578                 RELRO_LDFLAGS="-Wl,-z,relro"
1579         fi
1580 fi
1581
1582 # Set defaults
1583 SYMSEXT="syms"
1584 AC_SUBST(SYMSEXT)
1585
1586 # Assume non-shared by default and override below
1587 BLDSHARED="false"
1588
1589 # these are the defaults, good for lots of systems
1590 HOST_OS="$host_os"
1591 LDSHFLAGS="-shared"
1592 MODULE_EXPORTS=""
1593 SONAMEFLAG="#"
1594 SHLD="\${CC} \${CFLAGS}"
1595 PICFLAG="${PIE_CFLAGS}"
1596 SHLIBEXT="so"
1597 DSO_EXPORTS=""
1598
1599 # this bit needs to be modified for each OS that supports share libs
1600 # You need to specify how to create a shared library and
1601   # how to compile C code to produce PIC object files
1602
1603   AC_MSG_CHECKING([ability to build shared libraries])
1604
1605   # and these are for particular systems
1606   case "$host_os" in
1607                 *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
1608                         case "$host_os" in
1609                                 *linux*) AC_DEFINE(LINUX,1,[Whether the host os is linux]) ;;
1610                                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx]) ;;
1611                         esac
1612                         BLDSHARED="true"
1613                         LDSHFLAGS="-shared -Wl,-Bsymbolic"
1614                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1615                                 LDSHFLAGS_Z_NODEFS="-Wl,--allow-shlib-undefined"
1616                         fi
1617                         DYNEXP="-Wl,--export-dynamic"
1618                         PICFLAG="-fPIC"
1619                         SONAMEFLAG="-Wl,-soname="
1620                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1621                         ;;
1622                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1623                         BLDSHARED="true"
1624                         if test "${GCC}" = "yes"; then
1625                                 PICFLAG="-fPIC"
1626                                 SONAMEFLAG="-Wl,-soname="
1627                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1628                                         DYNEXP="-Wl,-E"
1629                                 fi
1630                                 LDSHFLAGS="-shared"
1631                         else
1632                                 PICFLAG="-KPIC"
1633                                 LDSHFLAGS="-G"
1634                         fi
1635                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1636                                 SONAMEFLAG="-Wl,-soname="
1637                         else
1638                                 SONAMEFLAG="-Wl,-h,"
1639                         fi
1640                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1641                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1642                         ;;
1643                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1644                         BLDSHARED="true"
1645                         LDSHFLAGS="-G"
1646                         SONAMEFLAG="-Wl,-h,"
1647                         PICFLAG="-KPIC"   # Is this correct for SunOS
1648                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1649                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1650                         ;;
1651                 *netbsd* | *freebsd* | *dragonfly* )
1652                         BLDSHARED="true"
1653                         LDSHFLAGS="-shared"
1654                         DYNEXP="-Wl,--export-dynamic"
1655                         SONAMEFLAG="-Wl,-soname,"
1656                         PICFLAG="-fPIC -DPIC"
1657                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1658                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1659                         ;;
1660                 *openbsd*)  BLDSHARED="true"
1661                         LDSHFLAGS="-shared"
1662                         DYNEXP="-Wl,-Bdynamic"
1663                         SONAMEFLAG="-Wl,-soname,"
1664                         PICFLAG="-fPIC"
1665                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1666                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1667                         ;;
1668                 *irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
1669                         case "$host_os" in
1670                         *irix6*) AC_DEFINE(IRIX6,1,[Whether the host os is irix6])
1671                         ;;
1672                         esac
1673                         BLDSHARED="true"
1674                         LDSHFLAGS="-Wl,-set_version,sgi1.0 -shared"
1675                         SONAMEFLAG="-Wl,-soname,"
1676                         if test "${GCC}" = "yes"; then
1677                                 PICFLAG="-fPIC"
1678                         else
1679                                 PICFLAG="-KPIC"
1680                         fi
1681                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1682                         ;;
1683                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1684                         BLDSHARED="true"
1685                         # use expfull to export underscored symbols
1686                         # add rtl to remove /lib/crt0.o warning
1687                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1688                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1689                         PICFLAG="-O2"
1690                         # as AIX code is always position independent...
1691                         # .po will just create compile warnings, use po.o:
1692                         if test "${GCC}" != "yes"; then
1693                                 ## for funky AIX compiler using strncpy()
1694                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000 -qhalt=e"
1695                         fi
1696
1697                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1698                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1699                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1700                         ;;
1701                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1702                         # ia64: 64bit build using gcc with CFLAGS="-mpl64"
1703                         #       64bit build using HP's cc with CFLAGS="+DD64"
1704                         # hppa: 64bit build unsupported by gcc
1705                         #       64bit build using HP's cc with CFLAGS="+DA2.0w"
1706                         # HP-UX 11.00 ld needs PHSS_33034
1707                         BLDSHARED="true"
1708                         if test "${GCC}" = "yes"; then
1709                                 PICFLAG="-fPIC"
1710                                 LDSHFLAGS="-shared"
1711                         else
1712                                 PICFLAG="+z"
1713                                 LDSHFLAGS="-b"
1714                                 # "Uses depth-first symbol resolution"
1715                                 LDSHFLAGS="$LDSHFLAGS -Wl,-B,symbolic,-b"
1716                                 if test "$host_cpu" != "ia64"; then
1717                                         # "don't store literals in read-only memory" (?):
1718                                         PICFLAG="$PICFLAG +ESnolit"
1719                                 fi
1720                         fi
1721                         if test "$host_cpu" = "ia64"; then
1722                                 SHLIBEXT="so"
1723                                 # TODO: does the linker find the right 32/64 bit version of the libs? :
1724                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32:/usr/local/lib/hpux64:/usr/lib/hpux64"
1725                         else
1726                                 SHLIBEXT="sl"
1727                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1728                         fi
1729                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1730                                 SONAMEFLAG="-Wl,-soname="
1731                         else
1732                                 SONAMEFLAG="-Wl,+h,"
1733                         fi
1734                         # PIE/PIC flags at link time are required on HP-UX because
1735                         # linking requires a temporary source file, which is being
1736                         # compiled with the indicated flags - which need to contain
1737                         # PIC flags when we don't support PIE flags:
1738                         if test "$PIE_LDFLAGS" = "" ; then
1739                                 PIE_LDFLAGS=\${PICFLAG}
1740                         fi
1741                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1742                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1743                         ;;
1744                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1745                         BLDSHARED="true"
1746                         LDSHFLAGS="-shared"
1747                         SONAMEFLAG="-Wl,-soname,"
1748                         if test "${GCC}" = "yes"; then
1749                                 PICFLAG="-fPIC"
1750                         fi
1751                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1752                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1753                         for flags in "-expect_unresolved '*'" "-Wl,-expect_unresolved,'*'" ; do
1754                                 saved_ldflags="$LDFLAGS"
1755                                 AC_MSG_CHECKING([if $flags works])
1756                                 LDFLAGS="$flags $saved_ldflags"
1757                                 AC_TRY_LINK([],[],
1758                                         [AC_MSG_RESULT([yes])
1759                                         LDSHFLAGS_Z_NODEFS=$flags],
1760                                         AC_MSG_RESULT([no]))
1761                                 LDFLAGS="$saved_ldflags"
1762                                 test x"$LDSHFLAGS_Z_NODEFS" != x && break
1763                         done
1764                         ;;
1765                 *sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
1766                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1767                         ;;
1768                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1769                         BLDSHARED="true"
1770                         LDSHFLAGS="-shared"
1771                         SONAMEFLAG="-Wl,-soname,"
1772                         PICFLAG="-KPIC"
1773                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1774                         ;;
1775                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1776                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1777                         ;;
1778                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1779                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1780                         ;;
1781                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1782                         case "$host" in
1783                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1784                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1785                                         fi
1786                                         LDSHFLAGS="-G"
1787                                         DYNEXP="-Bexport"
1788                                 ;;
1789                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1790                         esac
1791                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1792                         ;;
1793
1794                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1795                         if [ test "$GCC" != yes ]; then
1796                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1797                         fi
1798                         LDSHFLAGS="-G"
1799                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1800                         ;;
1801                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1802                         BLDSHARED="false"
1803                         LDSHFLAGS=""
1804                         ;;
1805
1806                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1807                         BLDSHARED="true"
1808                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1809                         CFLAGS="$CFLAGS -fno-common"
1810                         SHLD="\${CC}"
1811                         SHLIBEXT="dylib"
1812                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1813                         SHLIBEXT="dylib"
1814                         # Since gcc doesn't fail on unrecognised options, the
1815                         # PIE test incorrectly succeeds. Darwin gcc does not
1816                         # actually support the PIE stuff.
1817                         PIE_LDFLAGS=
1818                         PIE_CFLAGS=
1819                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1820                         ;;
1821
1822                 *)
1823                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1824                         ;;
1825   esac
1826
1827 if test "$enable_shared" != "yes"; then
1828         BLDSHARED=false
1829 fi
1830
1831 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1832         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1833 fi
1834
1835 if test x"$BLDSHARED" = x"true" ; then
1836         LDFLAGS="$LDFLAGS -L./bin"
1837 fi
1838
1839 AC_MSG_RESULT($BLDSHARED)
1840
1841 if test x"$enable_developer" = x"yes" ; then
1842         default_as_needed=auto
1843 else
1844         default_as_needed=no
1845 fi
1846 AC_ARG_ENABLE(as-needed,
1847         AS_HELP_STRING([--enable-as-needed],
1848         [Turn on as-needed support if available (default=no)]),
1849         [enable_as_needed=$enableval],
1850         [enable_as_needed=$default_as_needed])
1851 if test "x$enable_as_needed" != xno; then
1852     saved_before_as_needed_ldflags="$LDFLAGS"
1853     for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do
1854         saved_ldflags="$LDFLAGS"
1855         AC_MSG_CHECKING([if $flags works])
1856         LDFLAGS="$flags $saved_ldflags"
1857         AC_TRY_LINK([],[],
1858                 [AC_MSG_RESULT([yes])
1859                 LD_AS_NEEDED_FLAG=$flags
1860                 ld_as_needed_flag_found=yes],
1861                 AC_MSG_RESULT([no]))
1862         LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags"
1863         test x"$ld_as_needed_flag_found" = xyes && break
1864     done
1865 fi
1866
1867 if test x$ld_as_needed_flag_found = xyes -a x$enable_as_needed = xauto ; then
1868 # check if ld has bug described in https://bugzilla.samba.org/show_bug.cgi?id=7209#c17
1869         AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG has explicit external libs bug])
1870 cat > conftest_shb.c <<END
1871 void b() {}
1872 END
1873 cat > conftest_sha.c <<END
1874 extern void b();
1875 void a() {
1876         b();
1877 }
1878 END
1879 cat > conftest.c <<END
1880 extern void a();
1881 int main() {
1882         a();
1883         return 0;
1884 }
1885 END
1886
1887         rm -fr conftest
1888         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_sha.o conftest_sha.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1889         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_shb.o conftest_shb.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1890         TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1891         AC_TRY_COMMAND([$TESTCMD -o libconftest_shb.$SHLIBEXT conftest_shb.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1892         AC_TRY_COMMAND([$TESTCMD -o libconftest_sha.$SHLIBEXT conftest_sha.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1893         AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
1894         if AC_TRY_COMMAND([eval "$LIB_PATH_VAR=. ./conftest 1>&AS_MESSAGE_LOG_FD 2>&1"])
1895         then
1896                 AC_MSG_RESULT([no])
1897         else
1898                 ld_as_needed_flag_found=no
1899                 LDFLAGS="$saved_before_as_needed_ldflags"
1900                 AC_MSG_RESULT([yes])
1901         fi
1902         rm conftest* libconftest*
1903 fi
1904
1905 # check if we have to disable LD_AS_NEEDED_FLAG:
1906 # On some systems for a veriety of reasons linking with
1907 # -Wl,--as-needed -lreadline -lncurses fails
1908 # we have to retest, if these combination is detected before.
1909 # Bugzilla #7209
1910
1911 if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then
1912         if test x$ld_as_needed_flag_found = xyes ; then
1913                 AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline])
1914                 # try if check no fails
1915                 save_LIBS=$LIBS
1916                 LIBS="$LIBS $TERMLIBS"
1917                 AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"])
1918                 LIBS="$save_LIBS"
1919         fi
1920 fi
1921
1922
1923
1924 # for historical reasons almost all linkers don't complain about unresolved
1925 # symbols in shared libs. Except for the internal samba modules we want to get
1926 # errors when we produce a shared lib with unresolved symbols. On some
1927 # platforms unresolved symbols might be intended, so we might have to add
1928 # platform specific exceptions here.
1929
1930 for flags in "-Wl,-z,defs" "-error_unresolved" "-Wl,-error_unresolved" ; do
1931         saved_ldflags="$LDFLAGS"
1932         AC_MSG_CHECKING([if $flags works])
1933         LDFLAGS="$flags $saved_ldflags"
1934         AC_TRY_LINK([],[],
1935         [AC_MSG_RESULT([yes])
1936         LDSHFLAGS_Z_DEFS=$flags
1937         ldshflags_z_defs_found=yes],
1938         AC_MSG_RESULT([no]))
1939         LDFLAGS=$saved_ldflags
1940         test x"$ldshflags_z_defs_found" = xyes && break
1941 done
1942
1943 AC_MSG_CHECKING([LDSHFLAGS_Z_DEFS])
1944 AC_MSG_RESULT([$LDSHFLAGS_Z_DEFS])
1945 AC_MSG_CHECKING([LDFLAGS])
1946 AC_MSG_RESULT([$LDFLAGS])
1947 AC_MSG_CHECKING([DYNEXP])
1948 AC_MSG_RESULT([$DYNEXP])
1949
1950 #######################################################
1951 # test whether building a shared library actually works
1952 if test $BLDSHARED = true; then
1953
1954 AC_MSG_CHECKING([SHLD])
1955 AC_MSG_RESULT([$SHLD])
1956 AC_MSG_CHECKING([LDSHFLAGS])
1957 AC_MSG_RESULT([$LDSHFLAGS])
1958
1959 AC_MSG_CHECKING([SHLIBEXT])
1960 AC_MSG_RESULT([$SHLIBEXT])
1961 AC_MSG_CHECKING([SONAMEFLAG])
1962 AC_MSG_RESULT([$SONAMEFLAG])
1963
1964 AC_MSG_CHECKING([PICFLAG])
1965 AC_MSG_RESULT([$PICFLAG])
1966
1967 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1968 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1969
1970 AC_CACHE_CHECK([whether building shared libraries actually works],
1971                [ac_cv_shlib_works],[
1972    # try building a trivial shared library
1973    ac_cv_shlib_works=no
1974    # The $SHLD and $LDSHFLAGS variables may contain references to other
1975    # variables so they need to be eval'ed.
1976    if AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.o ${srcdir-.}/../tests/shlib.c 1>&AS_MESSAGE_LOG_FD])
1977    then
1978      TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1979      TESTCMD="$TESTCMD -o \"shlib.$SHLIBEXT\" shlib.o"
1980      if AC_TRY_COMMAND([eval $TESTCMD 1>&AS_MESSAGE_LOG_FD 2>&1])
1981      then
1982        ac_cv_shlib_works=yes
1983      fi
1984    fi
1985    rm -f "shlib.$SHLIBEXT" shlib.o
1986
1987 ])
1988 if test $ac_cv_shlib_works = no; then
1989    BLDSHARED=false
1990 fi
1991 fi
1992
1993 if test x"$BLDSHARED" != x"true"; then
1994         LDSHFLAGS="shared-libraries-disabled"
1995         SONAMEFLAG="shared-libraries-disabled"
1996         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1997         SHLD="shared-libraries-disabled"
1998         PICFLAG="${PIE_CFLAGS}"
1999         SHLIBEXT="shared_libraries_disabled"
2000         smbtorture4_possible=no
2001 fi
2002
2003 AC_MSG_CHECKING([used PICFLAG])
2004 AC_MSG_RESULT([$PICFLAG])
2005
2006 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
2007
2008
2009
2010 ###########################################################
2011 #
2012 # Configuration of subsystems / libraries
2013 #
2014 ###########################################################
2015
2016 INSTALLLIBCMD_SH=:
2017 INSTALLLIBCMD_A=:
2018 UNINSTALLLIBCMD_SH=:
2019 UNINSTALLLIBCMD_A=:
2020
2021 if test $BLDSHARED = true; then
2022         INSTALLLIBCMD_SH="\$(INSTALLCMD)"
2023         UNINSTALLLIBCMD_SH="rm -f"
2024 fi
2025 if test $enable_static = yes; then
2026         INSTALLLIBCMD_A="\$(INSTALLCMD)"
2027         UNINSTALLLIBCMD_A="rm -f"
2028 fi
2029
2030 #################################################
2031 # --disable-shared-libs
2032 # can be used to disable the internal use of shared libs altogether
2033 # (this only has an effect when building shared libs is enabled)
2034 #
2035 USESHARED=false
2036 AC_SUBST(USESHARED)
2037
2038 AC_MSG_CHECKING(whether to use shared libraries internally)
2039 AC_ARG_ENABLE([shared-libs],
2040         AS_HELP_STRING([--enable-shared-libs],
2041                 [Use shared libraries internally (default=yes)]),
2042         [enable_shared_libs=$enableval],
2043         [enable_shared_libs=yes])
2044
2045 if test x"$enable_shared_libs" != x"no" ; then
2046         USESHARED=$BLDSHARED
2047 fi
2048
2049 AC_MSG_RESULT([$USESHARED])
2050
2051 if test x"$enable_shared_libs" = x"yes" -a x"$BLDSHARED" != x"true" ; then
2052         AC_MSG_WARN([--enable-shared-libs: no support for shared libraries])
2053 fi
2054
2055 #################################################
2056 # --with-static-libs=LIBS:
2057 #   link (internal) libs dynamically or statically?
2058 #
2059 # If a subsystem is built as a library then this controls whether they are
2060 # linked into Samba targets statically or dynamically:
2061 #
2062 # * If we build the shared library at all, we link dynamically by default.
2063 #
2064 # * We only link statically if we don't build shared or if the library
2065 #   appears in the --with-static-libs configure option.
2066 #
2067 # Example:
2068 #   --with-static-libs=libtalloc makes use of libtalloc.a instead
2069 #   of linking the dynamic variant with -ltalloc.
2070 #
2071 # NOTE: This option only affects libraries that we do not only build
2072 # but that samba also links against as libraries (as opposed to linking
2073 # the plain object files. - This has to be configured in Makefile.in.
2074 # So in particular it does not harm to give invalid or unknown names here.
2075 #
2076
2077 AC_ARG_WITH([static-libs],
2078         [AS_HELP_STRING([--with-static-libs=LIBS],
2079                 [Comma-separated list of names of (internal) libraries to link statically (instead of dynamically)])],
2080         [AS_IF([test $withval],
2081                 [for lib in `echo $withval | sed -e 's/,/ /g'` ; do
2082                         [lib=`echo $lib | tr '[a-z]' '[A-Z]'`]
2083                         eval LINK_$lib=STATIC
2084                 done], [])],
2085         [])
2086
2087 #
2088 # WORKAROUND:
2089 #   until we have organized other internal subsystems (as util, registry
2090 #   and smbconf) into shared libraries, we CAN NOT link libnetapi
2091 #   dynamically to samba programs.
2092 #
2093 LINK_LIBNETAPI=STATIC
2094
2095 LINK_LIBSMBCLIENT=STATIC
2096
2097 #
2098 #  The library versions are hardcoded here
2099 #  and filled into the LIBFOO_SOVER variable.
2100 #
2101 #  TODO: for talloc and tdb (at least), these should
2102 #  be extracted from their respective source directories
2103 #
2104 AC_ARG_ENABLE(external_libtalloc,
2105         [AS_HELP_STRING([--enable-external-libtalloc],
2106                 [Enable external talloc [default=auto]])],
2107         [ enable_external_libtalloc=$enableval ],
2108         [ enable_external_libtalloc=auto ])
2109
2110 if test "x$enable_external_libtalloc" != xno
2111 then
2112         PKG_CHECK_MODULES(LIBTALLOC, talloc >= 2.0.1,
2113                 [ enable_external_libtalloc=yes ],
2114                 [ if test x$enable_external_libtalloc = xyes; then
2115                         AC_MSG_ERROR([Unable to find libtalloc])
2116                   else
2117                         enable_external_libtalloc=no
2118                   fi
2119                 ])
2120 fi
2121
2122 if test "x$enable_external_libtalloc" = xno
2123 then
2124         m4_include(../lib/talloc/libtalloc.m4)
2125         if test x"$USESHARED" == x"no" ; then
2126                 LINK_LIBTALLOC=STATIC
2127         fi
2128         LIBTALLOCVERSION=`grep ^VERSION ${tallocdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
2129         SMB_LIBRARY(talloc, 2, ${LIBTALLOCVERSION})
2130         LIBTALLOC_OBJ0=""
2131         for obj in ${TALLOC_OBJ}; do
2132                 LIBTALLOC_OBJ0="${LIBTALLOC_OBJ0} ${tallocdir}/${obj}"
2133         done
2134         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
2135         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TALLOC_CFLAGS}"
2136         AC_SUBST(LIBTALLOC_OBJ0)
2137
2138         TALLOCTORT="bin/talloctort\$(EXEEXT)"
2139         AC_SUBST(TALLOCTORT)
2140 fi
2141
2142
2143 AC_ARG_ENABLE(external_libtdb,
2144         [AS_HELP_STRING([--enable-external-libtdb],
2145                 [Enable external tdb [default=auto]])],
2146                 [ enable_external_libtdb=$enableval ],
2147                 [ enable_external_libtdb=auto ])
2148
2149 if test "x$enable_external_libtdb" != xno
2150 then
2151         PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.6,
2152                 [ enable_external_libtdb=yes ],
2153                 [
2154                 if test x$enable_external_libtdb = xyes; then
2155                         AC_MSG_ERROR([Unable to find libtdb])
2156                 else
2157                         enable_external_libtdb=no
2158                 fi
2159                 ])
2160 fi
2161
2162 AC_SUBST(LIBTDB_OBJ0)
2163 if test "x$enable_external_libtdb" = xno
2164 then
2165         m4_include(../lib/tdb/libtdb.m4)
2166         if test x"$USESHARED" == x"no" ; then
2167                 LINK_LIBTDB=STATIC
2168         fi
2169         LIBTDBVERSION=`grep ^VERSION ${tdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
2170         SMB_LIBRARY(tdb, 1, ${LIBTDBVERSION})
2171         LIBTDB_OBJ0=""
2172         LIBTDB_LIBS="$LIBTDB_LIBS $TDB_DEPS"
2173         for obj in ${TDB_OBJ}; do
2174                 LIBTDB_OBJ0="${LIBTDB_OBJ0} ${tdbdir}/${obj}"
2175         done
2176         AC_SUBST(LIBTDB_OBJ0)
2177         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
2178         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TDB_CFLAGS}"
2179
2180         TDBBACKUP="bin/tdbbackup\$(EXEEXT)"
2181         AC_SUBST(TDBBACKUP)
2182         TDBDUMP="bin/tdbdump\$(EXEEXT)"
2183         AC_SUBST(TDBDUMP)
2184         TDBRESTORE="bin/tdbrestore\$(EXEEXT)"
2185         AC_SUBST(TDBRESTORE)
2186         TDBTOOL="bin/tdbtool\$(EXEEXT)"
2187         AC_SUBST(TDBTOOL)
2188         TDBTORTURE="bin/tdbtorture\$(EXEEXT)"
2189         AC_SUBST(TDBTORTURE)
2190 fi
2191
2192 SMB_LIBRARY(netapi, 0)
2193 SMB_LIBRARY(smbclient, 0)
2194 SMB_LIBRARY(smbsharemodes, 0)
2195 SMB_LIBRARY(addns, 0, [], no, [undefined API])
2196
2197
2198
2199 ################
2200
2201 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
2202 AC_TRY_RUN([#include <stdio.h>
2203 main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
2204 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
2205 if test x"$samba_cv_have_longlong" = x"yes"; then
2206     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
2207     AC_CHECK_TYPE(intptr_t, unsigned long long)
2208 else
2209     AC_CHECK_TYPE(intptr_t, unsigned long)
2210 fi
2211
2212 #
2213 # Check if the compiler supports the LL prefix on long long integers.
2214 # AIX needs this.
2215
2216 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
2217     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
2218         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
2219 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
2220    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
2221 fi
2222
2223
2224 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
2225 AC_TRY_RUN([#include <time.h>
2226 main() { exit((sizeof(time_t) == 8) ? 0 : 1); }],
2227 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
2228 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
2229     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
2230 fi
2231
2232 AC_CACHE_CHECK([for TIME_T_MAX],samba_cv_TIME_T_MAX,[
2233 AC_TRY_RUN([#include <time.h>
2234 main() {
2235         struct tm *tm;
2236         if (sizeof(time_t) == 8) {
2237                 time_t max_time = 0x7fffffffffffffffll;
2238                 tm = gmtime(&max_time);
2239                 /* This should fail with 32-bit tm_year. */
2240                 if (tm == NULL) {
2241                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
2242                         max_time = 67768036191676799ll;
2243                         tm = gmtime(&max_time);
2244                         if (tm) {
2245                                 exit(0);
2246                         }
2247                 }
2248         }
2249         exit(1);
2250 }],
2251 samba_cv_TIME_T_MAX=yes,samba_cv_TIME_T_MAX=no,samba_cv_TIME_T_MAX=cross)])
2252 if test x"$samba_cv_TIME_T_MAX" = x"yes"; then
2253     AC_DEFINE(TIME_T_MAX,67768036191676799ll,[The maximum value of the 'time_t' type])
2254 fi
2255
2256
2257 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
2258 AC_TRY_RUN([#include <stdio.h>
2259 #include <sys/stat.h>
2260 main() { exit((sizeof(off_t) == 8) ? 0 : 1); }],
2261 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
2262 if test x"$samba_cv_SIZEOF_OFF_T" = x"yes"; then
2263     AC_DEFINE(SIZEOF_OFF_T,8,[The size of the 'off_t' type])
2264 fi
2265
2266 AC_CACHE_CHECK([for off64_t],samba_cv_HAVE_OFF64_T,[
2267 AC_TRY_RUN([
2268 #if defined(HAVE_UNISTD_H)
2269 #include <unistd.h>
2270 #endif
2271 #include <stdio.h>
2272 #include <sys/stat.h>
2273 main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
2274 samba_cv_HAVE_OFF64_T=yes,samba_cv_HAVE_OFF64_T=no,samba_cv_HAVE_OFF64_T=cross)])
2275 if test x"$samba_cv_HAVE_OFF64_T" = x"yes"; then
2276     AC_DEFINE(HAVE_OFF64_T,1,[Whether off64_t is available])
2277 fi
2278
2279 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
2280 AC_TRY_RUN([
2281 #if defined(HAVE_UNISTD_H)
2282 #include <unistd.h>
2283 #endif
2284 #include <stdio.h>
2285 #include <sys/stat.h>
2286 main() { exit((sizeof(ino_t) == 8) ? 0 : 1); }],
2287 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
2288 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
2289     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
2290 fi
2291
2292 AC_CACHE_CHECK([for ino64_t],samba_cv_HAVE_INO64_T,[
2293 AC_TRY_RUN([
2294 #if defined(HAVE_UNISTD_H)
2295 #include <unistd.h>
2296 #endif
2297 #include <stdio.h>
2298 #include <sys/stat.h>
2299 main() { struct stat64 st; ino64_t s; if (sizeof(ino_t) == sizeof(ino64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
2300 samba_cv_HAVE_INO64_T=yes,samba_cv_HAVE_INO64_T=no,samba_cv_HAVE_INO64_T=cross)])
2301 if test x"$samba_cv_HAVE_INO64_T" = x"yes"; then
2302     AC_DEFINE(HAVE_INO64_T,1,[Whether the 'ino64_t' type is available])
2303 fi
2304
2305 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
2306 AC_TRY_RUN([
2307 #if defined(HAVE_UNISTD_H)
2308 #include <unistd.h>
2309 #endif
2310 #include <stdio.h>
2311 #include <sys/stat.h>
2312 main() { exit((sizeof(dev_t) == 8) ? 0 : 1); }],
2313 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
2314 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
2315     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
2316 fi
2317
2318 AC_CACHE_CHECK([for dev64_t],samba_cv_HAVE_DEV64_T,[
2319 AC_TRY_RUN([
2320 #if defined(HAVE_UNISTD_H)
2321 #include <unistd.h>
2322 #endif
2323 #include <stdio.h>
2324 #include <sys/stat.h>
2325 main() { struct stat64 st; dev64_t s; if (sizeof(dev_t) == sizeof(dev64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
2326 samba_cv_HAVE_DEV64_T=yes,samba_cv_HAVE_DEV64_T=no,samba_cv_HAVE_DEV64_T=cross)])
2327 if test x"$samba_cv_HAVE_DEV64_T" = x"yes"; then
2328     AC_DEFINE(HAVE_DEV64_T,1,[Whether the 'dev64_t' type is available])
2329 fi
2330
2331 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIR64,[
2332 AC_TRY_COMPILE([
2333 #if defined(HAVE_UNISTD_H)
2334 #include <unistd.h>
2335 #endif
2336 #include <sys/types.h>
2337 #include <dirent.h>],
2338 [DIR64 de;],
2339 samba_cv_HAVE_STRUCT_DIR64=yes,samba_cv_HAVE_STRUCT_DIR64=no)])
2340 if test x"$samba_cv_HAVE_STRUCT_DIR64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
2341     AC_DEFINE(HAVE_STRUCT_DIR64,1,[Whether the 'DIR64' abstract data type is available])
2342 fi
2343
2344 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIRENT64,[
2345 AC_TRY_COMPILE([
2346 #if defined(HAVE_UNISTD_H)
2347 #include <unistd.h>
2348 #endif
2349 #include <sys/types.h>
2350 #include <dirent.h>],
2351 [struct dirent64 de;],
2352 samba_cv_HAVE_STRUCT_DIRENT64=yes,samba_cv_HAVE_STRUCT_DIRENT64=no)])
2353 if test x"$samba_cv_HAVE_STRUCT_DIRENT64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
2354     AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Whether the 'dirent64' struct is available])
2355 fi
2356
2357 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
2358 AC_TRY_RUN([
2359 #if defined(HAVE_UNISTD_H)
2360 #include <unistd.h>
2361 #endif
2362 #include <sys/types.h>
2363 main() { dev_t dev; int i = major(dev); return 0; }],
2364 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
2365 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
2366     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
2367 fi
2368
2369 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
2370 AC_TRY_RUN([
2371 #if defined(HAVE_UNISTD_H)
2372 #include <unistd.h>
2373 #endif
2374 #include <sys/types.h>
2375 main() { dev_t dev; int i = minor(dev); return 0; }],
2376 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
2377 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
2378     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
2379 fi
2380
2381 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
2382 AC_TRY_RUN([
2383 #if defined(HAVE_UNISTD_H)
2384 #include <unistd.h>
2385 #endif
2386 #include <sys/types.h>
2387 main() { dev_t dev = makedev(1,2); return 0; }],
2388 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
2389 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
2390     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
2391 fi
2392
2393 AC_CACHE_CHECK([for unsigned char],samba_cv_HAVE_UNSIGNED_CHAR,[
2394 AC_TRY_RUN([#include <stdio.h>
2395 main() { char c; c=250; exit((c > 0)?0:1); }],
2396 samba_cv_HAVE_UNSIGNED_CHAR=yes,samba_cv_HAVE_UNSIGNED_CHAR=no,samba_cv_HAVE_UNSIGNED_CHAR=cross)])
2397 if test x"$samba_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
2398     AC_DEFINE(HAVE_UNSIGNED_CHAR,1,[Whether the 'unsigned char' type is available])
2399 fi
2400
2401 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
2402 AC_TRY_COMPILE([#include <sys/types.h>
2403 #include <dirent.h>
2404 void seekdir(DIR *d, long loc) { return; }],[return 0;],
2405 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
2406 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
2407     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
2408 fi
2409
2410 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
2411 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
2412 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
2413 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
2414     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
2415 fi
2416
2417 if test x"$libreplace_cv_HAVE_CLOCK_GETTIME_IN_LIBRT" = xyes ; then
2418         LIBS="$LIBS -lrt"
2419 fi
2420
2421 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2422 AC_TRY_RUN([#include <sys/types.h>
2423 #include <dirent.h>
2424 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2425 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2426 di->d_name[0] == 0) exit(0); exit(1);} ],
2427 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2428 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2429     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2430 fi
2431
2432 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2433 AC_TRY_COMPILE([#include <sys/types.h>
2434 #include <utime.h>],
2435 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
2436 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2437 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2438     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2439 fi
2440
2441 ##############
2442 # Check utmp details, but only if our OS offers utmp.h
2443 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2444 dnl  utmp and utmpx come in many flavours
2445 dnl  We need to check for many of them
2446 dnl  But we don't need to do each and every one, because our code uses
2447 dnl  mostly just the utmp (not utmpx) fields.
2448
2449 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx getutxent)
2450
2451 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2452 AC_TRY_COMPILE([#include <sys/types.h>
2453 #include <utmp.h>],
2454 [struct utmp ut;  ut.ut_name[0] = 'a';],
2455 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2456 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2457     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2458 fi
2459
2460 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2461 AC_TRY_COMPILE([#include <sys/types.h>
2462 #include <utmp.h>],
2463 [struct utmp ut;  ut.ut_user[0] = 'a';],
2464 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2465 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2466     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2467 fi
2468
2469 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2470 AC_TRY_COMPILE([#include <sys/types.h>
2471 #include <utmp.h>],
2472 [struct utmp ut;  ut.ut_id[0] = 'a';],
2473 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2474 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2475     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2476 fi
2477
2478 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2479 AC_TRY_COMPILE([#include <sys/types.h>
2480 #include <utmp.h>],
2481 [struct utmp ut;  ut.ut_host[0] = 'a';],
2482 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2483 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2484     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2485 fi
2486
2487 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2488 AC_TRY_COMPILE([#include <sys/types.h>
2489 #include <utmp.h>],
2490 [struct utmp ut;  time_t t; ut.ut_time = t;],
2491 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2492 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2493     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2494 fi
2495
2496 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2497 AC_TRY_COMPILE([#include <sys/types.h>
2498 #include <utmp.h>],
2499 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2500 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2501 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2502     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2503 fi
2504
2505 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2506 AC_TRY_COMPILE([#include <sys/types.h>
2507 #include <utmp.h>],
2508 [struct utmp ut;  ut.ut_type = 0;],
2509 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2510 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2511     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2512 fi
2513
2514 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2515 AC_TRY_COMPILE([#include <sys/types.h>
2516 #include <utmp.h>],
2517 [struct utmp ut;  ut.ut_pid = 0;],
2518 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2519 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2520     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2521 fi
2522
2523 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2524 AC_TRY_COMPILE([#include <sys/types.h>
2525 #include <utmp.h>],
2526 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2527 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2528 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2529     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2530 fi
2531
2532 dnl Look for the IPv6 varient by preference. Many systems have both.
2533 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2534 AC_TRY_COMPILE([#include <sys/types.h>
2535 #include <utmp.h>],
2536 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2537 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2538 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2539     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2540 fi
2541
2542 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2543 AC_TRY_COMPILE([#include <sys/types.h>
2544 #include <utmp.h>],
2545 [struct utmp ut;  ut.ut_addr = 0;],
2546 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2547 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2548     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2549 fi
2550
2551 if test x$ac_cv_func_pututline = xyes ; then
2552   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2553   AC_TRY_COMPILE([#include <sys/types.h>
2554 #include <utmp.h>],
2555   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2556   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2557   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2558       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2559   fi
2560 fi
2561
2562 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2563 AC_TRY_COMPILE([#include <sys/types.h>
2564 #include <utmpx.h>],
2565 [struct utmpx ux;  ux.ut_syslen = 0;],
2566 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2567 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2568     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2569 fi
2570
2571 fi
2572 # end utmp details
2573
2574 AC_CACHE_CHECK([for linux fallocate],samba_cv_HAVE_LINUX_FALLOCATE,[
2575 AC_TRY_COMPILE([
2576 #if defined(HAVE_UNISTD_H)
2577 #include <unistd.h>
2578 #endif
2579 #include <sys/types.h>
2580 #define _GNU_SOURCE
2581 #include <fcntl.h>
2582 #if defined(HAVE_LINUX_FALLOC_H)
2583 #include <linux/falloc.h>
2584 #endif],
2585 [int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2586 samba_cv_HAVE_LINUX_FALLOCATE=yes,samba_cv_HAVE_LINUX_FALLOCATE=no)])
2587 if test x"$samba_cv_HAVE_LINUX_FALLOCATE" = x"yes" && test x"$ac_cv_func_fallocate" = x"yes"; then
2588     AC_DEFINE(HAVE_LINUX_FALLOCATE,1,[Whether the Linux 'fallocate' function is available])
2589 fi
2590
2591 AC_CACHE_CHECK([for linux fallocate64],samba_cv_HAVE_LINUX_FALLOCATE64,[
2592 AC_TRY_COMPILE([
2593 #if defined(HAVE_UNISTD_H)
2594 #include <unistd.h>
2595 #endif
2596 #include <sys/types.h>
2597 #define _GNU_SOURCE
2598 #include <fcntl.h>
2599 #if defined(HAVE_LINUX_FALLOC_H)
2600 #include <linux/falloc.h>
2601 #endif],
2602 [int ret = fallocate64(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2603 samba_cv_HAVE_LINUX_FALLOCATE64=yes,samba_cv_HAVE_LINUX_FALLOCATE64=no)])
2604 if test x"$samba_cv_HAVE_LINUX_FALLOCATE64" = x"yes" && test x"$ac_cv_func_fallocate64" = x"yes"; then
2605     AC_DEFINE(HAVE_LINUX_FALLOCATE64,1,[Whether the Linux 'fallocate64' function is available])
2606 fi
2607
2608 AC_CACHE_CHECK([for getcwd takes NULL],samba_cv_GETCWD_TAKES_NULL,[
2609 AC_TRY_RUN([
2610 #if defined(HAVE_UNISTD_H)
2611 #include <unistd.h>
2612 #endif
2613 main() { char *s = getcwd(NULL,0); if (s) exit(0); exit(1); }],
2614 samba_cv_GETCWD_TAKES_NULL=yes,samba_cv_GETCWD_TAKES_NULL=no,samba_cv_GETCWD_TAKES_NULL=cross)])
2615 if test x"$samba_cv_GETCWD_TAKES_NULL" = x"yes"; then
2616     AC_DEFINE(GETCWD_TAKES_NULL,1,[Whether the getcwd function takes NULL as an argument])
2617 fi
2618
2619 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2620 AC_ARG_WITH(libiconv,
2621 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2622 [
2623   if test "$withval" = "no" ; then
2624     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2625   else
2626      if test "$withval" != "yes" ; then
2627         ICONV_PATH_SPEC=yes
2628         ICONV_LOOK_DIRS="$withval"
2629      fi
2630   fi
2631 ])
2632
2633 for i in $ICONV_LOOK_DIRS ; do
2634
2635     save_LIBS="$LIBS"
2636     save_LDFLAGS="$LDFLAGS"
2637     save_CPPFLAGS="$CPPFLAGS"
2638
2639     iconv_current_LIBS=""
2640     iconv_current_LDFLAGS=""
2641     iconv_current_CPPFLAGS=""
2642
2643     ICONV_FOUND="no"
2644     unset libext
2645
2646     #  This is here to handle -withval stuff for --with-libiconv
2647     #  Perhaps we should always add a -L
2648     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2649
2650     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2651     # installation paths. This gets a little tricky since we might have iconv
2652     # in both libiconv and in libc. In this case the jm_ICONV test will always
2653     # succeed when the header is found. To counter this, make sure the
2654     # library directory is there and check the ABI directory first (which
2655     # should be harmless on other systems, but causes tons of linker warnings on
2656     # 64bit Ubuntu systems).
2657     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2658     # installed, I've decided to fix the linker warnings.
2659     # -- Kai
2660     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2661     for l in "lib" "lib32" "lib/hpux32"; do
2662         if test -d "$i/$l" ; then
2663                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2664                 LIBS=
2665                 export LDFLAGS LIBS CPPFLAGS
2666                 # Try to find iconv(3)
2667                 jm_ICONV($i/$l)
2668                 if test x"$ICONV_FOUND" = "xyes" ; then
2669                     libext="$l"
2670                     break
2671                 fi
2672         fi
2673     done
2674
2675     if test x"$ICONV_FOUND" = "xyes" ; then
2676         iconv_current_LDFLAGS="-L$i/$libext"
2677         iconv_current_CPPFLAGS="-I$i/include"
2678
2679         if test x"$jm_cv_lib_iconv" != x; then
2680             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2681         else
2682             # We found iconv in libc.
2683             iconv_current_LIBS=""
2684         fi
2685
2686     fi
2687
2688     if test x"$ICONV_FOUND" = "xyes" ; then
2689
2690         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2691         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2692         LIBS="$save_LIBS $iconv_current_LIBS"
2693         export LDFLAGS LIBS CPPFLAGS
2694
2695         default_dos_charset=no
2696         default_unix_charset=no
2697
2698         # check for default dos charset name
2699         for j in CP850 IBM850 ; do
2700             rjs_CHARSET($j)
2701             default_dos_charset="$ICONV_CHARSET"
2702             if test x"$default_dos_charset" = x"$j"; then
2703                 break
2704             fi
2705         done
2706
2707         # check for default unix charset name
2708         for j in UTF-8 UTF8 ; do
2709             rjs_CHARSET($j)
2710             default_unix_charset="$ICONV_CHARSET"
2711             if test x"$default_unix_charset" = x"$j"; then
2712                 break
2713             fi
2714         done
2715
2716         if test "$default_dos_charset" != "no" -a \
2717                 "$default_dos_charset" != "cross" -a \
2718                 "$default_unix_charset" != "no" -a \
2719                 "$default_unix_charset" != "cross"
2720         then
2721                 samba_cv_HAVE_NATIVE_ICONV=yes
2722         else
2723             if test "$default_dos_charset" = "cross" -o \
2724                      "$default_unix_charset" = "cross"
2725             then
2726                     samba_cv_HAVE_NATIVE_ICONV=cross
2727             else
2728                     samba_cv_HAVE_NATIVE_ICONV=no
2729             fi
2730         fi
2731
2732         # At this point, we have a libiconv candidate. We know that
2733         # we have the right headers and libraries, but we don't know
2734         # whether it does the conversions we want. We can't test this
2735         # because we are cross-compiling. This is not necessarily a big
2736         # deal, since we can't guarantee that the results we get now will
2737         # match the results we get at runtime anyway.
2738         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2739             default_dos_charset="CP850"
2740             default_unix_charset="UTF-8"
2741             samba_cv_HAVE_NATIVE_ICONV=yes
2742             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2743             AC_MSG_WARN([$default_dos_charset and $default_unix_charset to UCS-16LE])
2744         fi
2745
2746         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2747
2748             CPPFLAGS=$save_CPPFLAGS
2749             LDFLAGS=$save_LDFLAGS
2750             LIBS=$save_LIBS
2751
2752             if test x"$iconv_current_LIBS" != x; then
2753                 LIBS="$LIBS $iconv_current_LIBS"
2754             fi
2755
2756             # Add the flags we need to CPPFLAGS and LDFLAGS
2757             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2758             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2759
2760             # Turn the #defines into string literals
2761             default_dos_charset="\"$default_dos_charset\""
2762             default_unix_charset="\"$default_unix_charset\""
2763
2764             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2765             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2766             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2767
2768            break
2769         fi
2770
2771     # We didn't find a working iconv, so keep going
2772     fi
2773
2774     #  We only need to clean these up here for the next pass through the loop
2775     CPPFLAGS=$save_CPPFLAGS
2776     LDFLAGS=$save_LDFLAGS
2777     LIBS=$save_LIBS
2778     export LDFLAGS LIBS CPPFLAGS
2779 done
2780 unset libext
2781
2782
2783 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2784     AC_MSG_WARN([Sufficient support for iconv function was not found.
2785     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2786    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2787    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2788 fi
2789
2790
2791 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2792 AC_TRY_RUN([
2793 #include <sys/types.h>
2794 #include <fcntl.h>
2795 #ifndef F_GETLEASE
2796 #define F_GETLEASE      1025
2797 #endif
2798 main() {
2799        int fd = open("/dev/null", O_RDONLY);
2800        return fcntl(fd, F_GETLEASE, 0) == -1;
2801 }
2802 ],
2803 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2804 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2805     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2806 fi
2807
2808 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2809 AC_TRY_RUN([
2810 #include <sys/types.h>
2811 #include <fcntl.h>
2812 #include <signal.h>
2813 #ifndef F_NOTIFY
2814 #define F_NOTIFY 1026
2815 #endif
2816 main() {
2817         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2818 }
2819 ],
2820 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2821 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2822     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2823 fi
2824
2825 AC_CACHE_CHECK([for inotify support],samba_cv_HAVE_INOTIFY,[
2826 AC_CHECK_HEADERS(linux/inotify.h asm/unistd.h sys/inotify.h)
2827 AC_CHECK_FUNCS(inotify_init)
2828 AC_HAVE_DECL(__NR_inotify_init, [#include <asm/unistd.h>])
2829 ],
2830 samba_cv_HAVE_INOTIFY=yes,
2831 samba_cv_HAVE_INOTIFY=no,
2832 samba_cv_HAVE_INOTIFY=cross)
2833
2834 if test x"$ac_cv_func_inotify_init" = x"yes"; then
2835     if test  x"$ac_cv_header_sys_inotify_h" = x"yes" -o x"$ac_cv_header_linux_inotify_h" = x"yes"; then
2836         AC_DEFINE(HAVE_INOTIFY,1,[Whether kernel or sys has inotify support])
2837     fi
2838 fi
2839
2840 #################################################
2841 # Check if FAM notifications are available. For FAM info, see
2842 #       http://oss.sgi.com/projects/fam/
2843 #       http://savannah.nongnu.org/projects/fam/
2844 AC_ARG_ENABLE(fam,
2845 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2846
2847 if test x$enable_fam != xno; then
2848     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2849     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2850         # On IRIX, libfam requires libC, but other FAM implementations
2851         # might not need it.
2852         AC_CHECK_LIB(fam, FAMOpen2,
2853             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam";
2854             AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2855             [samba_cv_HAVE_LIBFAM=no])
2856
2857         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2858             samba_fam_xtra=-lC
2859             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2860                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC";
2861                 AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2862                 [samba_cv_HAVE_LIBFAM=no])
2863             unset samba_fam_xtra
2864         fi
2865     fi
2866     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2867         default_shared_modules="$default_shared_modules vfs_notify_fam"
2868         AC_TRY_COMPILE([#include <fam.h>],
2869                     [enum FAMCodes code = FAMChanged;],
2870                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2871                         [Whether fam.h contains a typedef for enum FAMCodes]),
2872                     [])
2873     fi
2874
2875     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2876         AC_CHECK_LIB(fam, FAMNoExists,
2877             [AC_DEFINE(HAVE_FAMNOEXISTS, 1, Define to 1 if there is support for FAMNoExists)])
2878     fi
2879
2880     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2881         AC_MSG_ERROR(FAM support requested but FAM library not available )
2882     fi
2883 fi
2884
2885 AC_SUBST(SMB_FAM_LIBS)
2886
2887 #################################################
2888 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2889
2890
2891 with_dmapi_support=auto
2892 AC_MSG_CHECKING(whether to use DMAPI support)
2893 AC_ARG_WITH(dmapi,
2894 [AS_HELP_STRING([--with-dmapi], [Include DMAPI/XDSM support (default=auto)])],
2895 [ case "$withval" in
2896   yes|no)
2897     with_dmapi_support=$withval
2898     ;;
2899   esac ]
2900 )
2901 AC_MSG_RESULT([$with_dmapi_support])
2902
2903 if test x"$with_dmapi_support" != xno ; then
2904         SMB_CHECK_DMAPI([], [
2905                 AC_MSG_NOTICE(DMAPI support not present)
2906                 if test x"$with_dmapi_support" = xyes ; then
2907                         AC_MSG_ERROR(no DMAPI support found but requested!)
2908                 fi
2909                 ]
2910         )
2911 fi
2912
2913 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2914 # Theoretically it should work with AIX JFS2 too but this needs testing
2915 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2916     default_shared_modules="$default_shared_modules vfs_tsmsm"
2917 fi
2918
2919 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2920 AC_TRY_RUN([
2921 #include <sys/types.h>
2922 #include <fcntl.h>
2923 #include <signal.h>
2924 #include <sys/file.h>
2925 #ifndef LOCK_MAND
2926 #define LOCK_MAND       32
2927 #define LOCK_READ       64
2928 #endif
2929 main() {
2930         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2931 }
2932 ],
2933 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2934 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2935     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2936 fi
2937
2938
2939 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2940 AC_TRY_COMPILE([#include <sys/types.h>
2941 #include <fcntl.h>],
2942 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2943 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2944 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2945     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2946 fi
2947
2948 #################################################
2949 # Check for POSIX capability support
2950
2951 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2952     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2953     [], [])
2954
2955 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2956
2957     ac_save_LIBS=$LIBS
2958     AC_LIBTESTFUNC(cap, cap_get_proc)
2959
2960     AC_CACHE_CHECK([for POSIX capabilities],
2961             samba_cv_HAVE_POSIX_CAPABILITIES,
2962             [
2963                 AC_TRY_RUN([
2964 #include <sys/types.h>
2965 #include <sys/capability.h>
2966 main() {
2967  cap_t cap;
2968  cap_value_t vals[1];
2969  if (!(cap = cap_get_proc()))
2970    exit(1);
2971  vals[0] = CAP_CHOWN;
2972  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2973  cap_set_proc(cap);
2974  exit(0);
2975 }],
2976                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2977                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2978                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2979             ])
2980
2981 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2982     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2983             [Whether POSIX capabilities are available])
2984 else
2985     LIBS=$ac_save_LIBS
2986 fi
2987
2988 fi
2989
2990 #
2991 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2992 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2993 #
2994
2995 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2996 AC_TRY_COMPILE([#include <sys/types.h>
2997 #if defined(HAVE_RPC_RPC_H)
2998 #include <rpc/rpc.h>
2999 #endif],
3000 [int16 testvar;],
3001 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
3002 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
3003     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
3004 fi
3005
3006 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
3007 AC_TRY_COMPILE([#include <sys/types.h>
3008 #if defined(HAVE_RPC_RPC_H)
3009 #include <rpc/rpc.h>
3010 #endif],
3011 [uint16 testvar;],
3012 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
3013 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
3014     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
3015 fi
3016
3017 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
3018 AC_TRY_COMPILE([#include <sys/types.h>
3019 #if defined(HAVE_RPC_RPC_H)
3020 #include <rpc/rpc.h>
3021 #endif],
3022 [int32 testvar;],
3023 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
3024 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
3025     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
3026 fi
3027
3028 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
3029 AC_TRY_COMPILE([#include <sys/types.h>
3030 #if defined(HAVE_RPC_RPC_H)
3031 #include <rpc/rpc.h>
3032 #endif],
3033 [uint32 testvar;],
3034 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
3035 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
3036     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
3037 fi
3038
3039 dnl
3040 dnl Some systems (SCO) have a problem including
3041 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
3042 dnl as a #define in <prot.h> and as part of an enum
3043 dnl in <rpc/rpc.h>.
3044 dnl
3045
3046 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
3047 AC_TRY_COMPILE([#include <sys/types.h>
3048 #ifdef HAVE_SYS_SECURITY_H
3049 #include <sys/security.h>
3050 #include <prot.h>
3051 #endif  /* HAVE_SYS_SECURITY_H */
3052 #if defined(HAVE_RPC_RPC_H)
3053 #include <rpc/rpc.h>
3054 #endif],
3055 [int testvar;],
3056 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
3057 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
3058     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
3059 fi
3060
3061 AC_MSG_CHECKING([for test routines])
3062 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
3063            AC_MSG_RESULT(yes),
3064            AC_MSG_ERROR([cant find test code. Aborting config]),
3065            AC_MSG_WARN([cannot run when cross-compiling]))
3066
3067 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
3068 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
3069            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
3070 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
3071     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
3072 fi
3073
3074 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
3075 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
3076            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
3077 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
3078     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
3079 fi
3080
3081 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
3082 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
3083 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
3084 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
3085 AC_CHECK_FUNCS(getpagesize)
3086
3087 ################################################
3088 # look for a method of setting the effective uid
3089 seteuid=no;
3090
3091 if test $seteuid = no; then
3092 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
3093 AC_TRY_RUN([
3094 #define AUTOCONF_TEST 1
3095 #define USE_SETREUID 1
3096 #include "confdefs.h"
3097 #include "${srcdir-.}/lib/util_sec.c"],
3098            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
3099 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
3100     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
3101 fi
3102 fi
3103
3104 # we check for setresuid second as it conflicts with AIO on Linux. 
3105 # see http://samba.org/~tridge/junkcode/aio_uid.c
3106 if test $seteuid = no; then
3107 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
3108 AC_TRY_RUN([
3109 #define AUTOCONF_TEST 1
3110 #define USE_SETRESUID 1
3111 #include "confdefs.h"
3112 #include "${srcdir-.}/lib/util_sec.c"],
3113            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
3114 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
3115     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
3116 fi
3117 fi
3118
3119 if test $seteuid = no; then
3120 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
3121 AC_TRY_RUN([
3122 #define AUTOCONF_TEST 1
3123 #define USE_SETEUID 1
3124 #include "confdefs.h"
3125 #include "${srcdir-.}/lib/util_sec.c"],
3126            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
3127 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
3128     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
3129 fi
3130 fi
3131
3132 if test $seteuid = no; then
3133 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
3134 AC_TRY_RUN([
3135 #define AUTOCONF_TEST 1
3136 #define USE_SETUIDX 1
3137 #include "confdefs.h"
3138 #include "${srcdir-.}/lib/util_sec.c"],
3139            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
3140 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
3141     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
3142 fi
3143 fi
3144
3145 AC_CACHE_CHECK([for the Darwin initgroups system call],
3146         samba_cv_DARWIN_INITGROUPS,
3147         AC_TRY_LINK([
3148 #include <sys/syscall.h>
3149 #include <unistd.h>
3150         ],
3151         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
3152         samba_cv_DARWIN_INITGROUPS=yes,
3153         samba_cv_DARWIN_INITGROUPS=no)
3154 )
3155
3156 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
3157     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
3158         [Whether to use the Darwin-specific initgroups system call])
3159 fi
3160
3161 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
3162 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
3163            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
3164 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
3165     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
3166 fi
3167
3168 AC_CACHE_CHECK([for broken (glibc2.1/x86) 64 bit fcntl locking],samba_cv_HAVE_BROKEN_FCNTL64_LOCKS,[
3169 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock64.c"],
3170            samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=yes,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=no,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=cross)])
3171 if test x"$samba_cv_HAVE_BROKEN_FCNTL64_LOCKS" = x"yes"; then
3172     AC_DEFINE(HAVE_BROKEN_FCNTL64_LOCKS,1,[Whether fcntl64 locks are broken])
3173
3174 else
3175
3176 dnl
3177 dnl Don't check for 64 bit fcntl locking if we know that the
3178 dnl glibc2.1 broken check has succeeded.
3179 dnl
3180
3181   AC_CACHE_CHECK([for 64 bit fcntl locking],samba_cv_HAVE_STRUCT_FLOCK64,[
3182   AC_TRY_RUN([
3183 #if defined(HAVE_UNISTD_H)
3184 #include <unistd.h>
3185 #endif
3186 #include <stdio.h>
3187 #include <stdlib.h>
3188
3189 #ifdef HAVE_FCNTL_H
3190 #include <fcntl.h>
3191 #endif
3192
3193 #ifdef HAVE_SYS_FCNTL_H
3194 #include <sys/fcntl.h>
3195 #endif
3196 main() { struct flock64 fl64;
3197 #if defined(F_SETLKW64) && defined(F_SETLK64) && defined(F_GETLK64)
3198 exit(0);
3199 #else
3200 exit(1);
3201 #endif
3202 }],
3203        samba_cv_HAVE_STRUCT_FLOCK64=yes,samba_cv_HAVE_STRUCT_FLOCK64=no,samba_cv_HAVE_STRUCT_FLOCK64=cross)])
3204
3205   if test x"$samba_cv_HAVE_STRUCT_FLOCK64" = x"yes"; then
3206       AC_DEFINE(HAVE_STRUCT_FLOCK64,1,[Whether the flock64 struct is available])
3207   fi
3208 fi
3209
3210 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
3211 AC_CACHE_CHECK([for broken posix_fallocate],samba_cv_HAVE_BROKEN_POSIX_FALLOCATE,[
3212 AC_TRY_COMPILE([
3213   #define _XOPEN_SOURCE 600
3214   #include <stdlib.h>
3215   #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
3216     probably broken posix_fallocate
3217   #endif
3218 ], [
3219 ], 
3220 samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=no,samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=yes)])
3221 if test x"$samba_cv_HAVE_BROKEN_POSIX_FALLOCATE" = xyes; then
3222         AC_DEFINE(HAVE_BROKEN_POSIX_FALLOCATE,, Whether we have a broken posix_fallocate)
3223 fi
3224
3225
3226 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
3227 AC_TRY_COMPILE([#include <sys/types.h>
3228 #include <sys/stat.h>
3229 #include <unistd.h>],
3230 [struct stat st;  st.st_blocks = 0;],
3231 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
3232 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
3233     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
3234 fi
3235
3236 AC_CHECK_TYPES([blksize_t, blkcnt_t], [], [], [[#include <sys/stat.h>]])
3237
3238 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
3239 AC_TRY_COMPILE([#include <sys/types.h>
3240 #include <sys/stat.h>
3241 #include <unistd.h>],
3242 [struct stat st;  st.st_blksize = 0;],
3243 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
3244 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
3245     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
3246 fi
3247
3248 AC_CACHE_CHECK([for st_flags in struct stat],
3249         samba_cv_HAVE_STAT_ST_FLAGS,
3250         [
3251             AC_TRY_COMPILE([#include <sys/types.h>
3252 #include <sys/stat.h>
3253 #include <unistd.h>],
3254             [struct stat st;  st.st_flags = 0;],
3255             samba_cv_HAVE_STAT_ST_FLAGS=yes,
3256             samba_cv_HAVE_STAT_ST_FLAGS=no,
3257             samba_cv_HAVE_STAT_ST_FLAGS=cross)
3258         ])
3259
3260 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
3261     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
3262                 [Whether the stat struct has a st_flags member])
3263 fi
3264
3265 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
3266 AC_TRY_COMPILE([
3267 #include <sys/types.h>
3268 #include <sys/acl.h>
3269 #if defined(HAVE_RPCSVC_NIS_H)
3270 #include <rpcsvc/nis.h>
3271 #endif],
3272 [int i;],
3273 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
3274 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
3275         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
3276 fi
3277
3278 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
3279 AC_TRY_RUN([
3280 #include <stdio.h>
3281 #include <limits.h>
3282 #include <signal.h>
3283
3284 void exit_on_core(int ignored) {
3285         exit(1);
3286 }
3287
3288 main() {
3289         char *newpath;
3290         signal(SIGSEGV, exit_on_core);
3291         newpath = realpath("/tmp", NULL);
3292         exit((newpath != NULL) ? 0 : 1);
3293 }
3294 ],
3295 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
3296 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
3297     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
3298 fi
3299
3300 #################################################
3301 # check for AFS clear-text auth support
3302 samba_cv_WITH_AFS=no
3303 AC_MSG_CHECKING(whether to use AFS clear-text auth)
3304 AC_ARG_WITH(afs,
3305 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
3306 [ case "$withval" in
3307   yes|auto)
3308     AC_MSG_RESULT($withval)
3309     samba_cv_WITH_AFS=$withval
3310     ;;
3311   *)
3312     AC_MSG_RESULT(no)
3313     ;;
3314   esac ],
3315   AC_MSG_RESULT(no)
3316 )
3317
3318 ####################################################
3319 # check for Linux-specific AFS fake-kaserver support
3320 samba_cv_WITH_FAKE_KASERVER=no
3321 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
3322 AC_ARG_WITH(fake-kaserver,
3323 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
3324 [ case "$withval" in
3325   yes|auto)
3326     AC_MSG_RESULT($withval)
3327     samba_cv_WITH_FAKE_KASERVER=$withval
3328     ;;
3329   *)
3330     AC_MSG_RESULT(no)
3331     ;;
3332   esac ],
3333   AC_MSG_RESULT(no)
3334 )
3335
3336 #################################################
3337 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
3338 if test x"$samba_cv_WITH_AFS" != x"no" ||
3339    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
3340
3341     # see if this box has the OpenSSL DES libraries
3342     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
3343
3344     # see if this box has the afs-headers in /usr/include/afs
3345     AC_MSG_CHECKING(for /usr/include/afs)
3346     if test -d /usr/include/afs; then
3347           AC_MSG_RESULT(yes)
3348     else
3349       AC_MSG_RESULT(no)
3350     fi
3351
3352     # check for afs.h
3353     have_afs_headers=no
3354     AC_CHECK_HEADERS(afs.h afs/afs.h)
3355     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
3356         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
3357            test x"$samba_cv_WITH_AFS" = x"auto"; then
3358                 AC_MSG_WARN([AFS cannot be supported without afs.h])
3359         else
3360                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
3361         fi
3362     else
3363         have_afs_headers=yes
3364     fi
3365 fi
3366
3367 FAKE_KASERVER_OBJ=""
3368 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
3369     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
3370     FAKE_KASERVER_OBJ="utils/net_afs.o"
3371 fi
3372 AC_SUBST(FAKE_KASERVER_OBJ)
3373
3374 #################################################
3375 # check whether to compile AFS/NT ACL mapping module
3376 samba_cv_WITH_VFS_AFSACL=no
3377 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
3378 AC_ARG_WITH(vfs-afsacl,
3379 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
3380 [ case "$withval" in
3381   yes|auto)
3382     AC_MSG_RESULT($withval)
3383     samba_cv_WITH_VFS_AFSACL=yes
3384     ;;
3385   *)
3386     AC_MSG_RESULT(no)
3387     ;;
3388   esac ],
3389   AC_MSG_RESULT(no)
3390 )
3391
3392 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
3393    default_shared_modules="$default_shared_modules vfs_afsacl"
3394 fi
3395         
3396 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
3397     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
3398 fi
3399
3400 #################################################
3401 # check for the DFS clear-text auth system
3402 AC_MSG_CHECKING(whether to use DFS clear-text auth)
3403 AC_ARG_WITH(dfs,
3404 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
3405 [ case "$withval" in
3406   yes)
3407     AC_MSG_RESULT(yes)
3408     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
3409     ;;
3410   *)
3411     AC_MSG_RESULT(no)
3412     ;;
3413   esac ],
3414   AC_MSG_RESULT(no)
3415 )
3416
3417 ########################################################
3418 # Compile with LDAP support?
3419
3420 with_ldap_support=auto
3421 AC_MSG_CHECKING([for LDAP support])
3422
3423 AC_ARG_WITH(ldap,
3424 [AS_HELP_STRING([--with-ldap], [LDAP support (default=auto)])],
3425 [ case "$withval" in
3426     yes|no)
3427         with_ldap_support=$withval
3428         ;;
3429   esac ])
3430
3431 AC_MSG_RESULT($with_ldap_support)
3432
3433 SMBLDAP=""
3434 AC_SUBST(SMBLDAP)
3435
3436 if test x"$with_ldap_support" != x"no"; then
3437
3438   ##################################################################
3439   # first test for ldap.h and lber.h
3440   # (ldap.h is required for this test)
3441   AC_CHECK_HEADERS(ldap.h lber.h)
3442
3443   if test x"$ac_cv_header_ldap_h" != x"yes"; then
3444         if test x"$with_ldap_support" = x"yes"; then
3445          AC_MSG_ERROR(ldap.h is needed for LDAP support)
3446         else
3447          AC_MSG_WARN(ldap.h is needed for LDAP support)
3448         fi
3449         
3450         with_ldap_support=no
3451   fi
3452
3453   ##################################################################
3454   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
3455   # unsigned int in include/includes.h
3456   case $host_os in
3457         *hpux*)
3458          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3459          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
3460         with_ldap_support=yes
3461         ;;
3462         *)
3463         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
3464         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
3465                 if test x"$with_ldap_support" = x"yes"; then
3466                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3467                 else
3468                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3469                 fi
3470                 with_ldap_support=no
3471         fi
3472         ;;
3473   esac
3474 fi
3475
3476 if test x"$with_ldap_support" != x"no"; then
3477   ac_save_LIBS=$LIBS
3478
3479   ##################################################################
3480   # we might need the lber lib on some systems. To avoid link errors
3481   # this test must be before the libldap test
3482   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3483
3484   ########################################################
3485   # If ber_sockbuf_add_io() is available we can add
3486   # SASL wrapping hooks
3487   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3488
3489   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3490                  AC_TRY_COMPILE([#include <ldap.h>],
3491                                 [int val = LDAP_OPT_SOCKBUF;],
3492                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3493                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3494
3495   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3496           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3497         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3498   fi
3499
3500   #######################################################
3501   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3502   # ldap logging and print it out in the samba logs
3503   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3504                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3505                  [AC_TRY_COMPILE([#include <lber.h>],
3506                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3507                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3508                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3509
3510   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3511         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3512                   [Support for LDAP/LBER logging interception])
3513   fi
3514
3515   ########################################################
3516   # now see if we can find the ldap libs in standard paths
3517   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3518
3519   ########################################################
3520   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3521   # Check found in pam_ldap 145.
3522   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3523
3524   LIBS="$LIBS $LDAP_LIBS"
3525   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3526     AC_TRY_COMPILE([
3527         #include <lber.h>
3528         #include <ldap.h>],
3529         [ldap_set_rebind_proc(0, 0, 0);],
3530         [smb_ldap_cv_ldap_set_rebind_proc=3],
3531         [smb_ldap_cv_ldap_set_rebind_proc=2]
3532     )
3533   ])
3534
3535   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3536
3537   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3538
3539   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3540     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3541     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3542     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3543     default_shared_modules="$default_shared_modules";
3544     SMBLDAP="lib/smbldap.o"
3545     with_ldap_support=yes
3546     AC_MSG_CHECKING(whether LDAP support is used)
3547     AC_MSG_RESULT(yes)
3548   else
3549     if test x"$with_ldap_support" = x"yes"; then
3550         AC_MSG_ERROR(libldap is needed for LDAP support)
3551     else
3552         AC_MSG_WARN(libldap is needed for LDAP support)
3553     fi
3554
3555     LDAP_LIBS=""
3556     with_ldap_support=no
3557   fi
3558   LIBS=$ac_save_LIBS
3559 fi
3560
3561
3562 #################################################
3563 # active directory support
3564
3565 with_ads_support=auto
3566 AC_MSG_CHECKING([for Active Directory and krb5 support])
3567
3568 AC_ARG_WITH(ads,
3569 [AS_HELP_STRING([--with-ads], [Active Directory support (default=auto)])],
3570 [ case "$withval" in
3571     yes|no)
3572         with_ads_support="$withval"
3573         ;;
3574   esac ])
3575
3576 AC_MSG_RESULT($with_ads_support)
3577
3578 FOUND_KRB5=no
3579 KRB5_LIBS=""
3580
3581 if test x"$with_ldap_support" != x"yes"; then
3582
3583     if test x"$with_ads_support" = x"yes"; then
3584         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3585     elif test x"$with_ads_support" = x"auto"; then
3586         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3587         with_ads_support=no
3588     fi
3589
3590 else
3591
3592     # Check to see whether there is enough LDAP functionality to be able
3593     # to build AD support.
3594
3595 # HPUX and Solaris only has ldap_init; ok, we take care of this in smbldap.c
3596 case "$host_os" in
3597         *hpux* | *solaris*)
3598     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3599
3600     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3601         if test x"$with_ads_support" = x"yes"; then
3602             AC_MSG_ERROR(Active Directory support on HPUX or Solaris requires ldap_init)
3603         elif test x"$with_ads_support" = x"auto"; then
3604             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX or Solaris))
3605             with_ads_support=no
3606         fi
3607     fi
3608     ;;
3609         *)
3610     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3611
3612     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3613         if test x"$with_ads_support" = x"yes"; then
3614             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3615         elif test x"$with_ads_support" = x"auto"; then
3616             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3617             with_ads_support=no
3618         fi
3619     fi
3620     ;;
3621 esac
3622
3623
3624     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3625
3626     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3627         if test x"$with_ads_support" = x"yes"; then
3628             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3629         elif test x"$with_ads_support" = x"auto"; then
3630             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3631             with_ads_support=no
3632         fi
3633     fi
3634
3635 fi
3636
3637 if test x"$with_ads_support" != x"no"; then
3638
3639   # Do no harm to the values of CFLAGS and LIBS while testing for
3640   # Kerberos support.
3641
3642   if test x$FOUND_KRB5 = x"no"; then
3643     #################################################
3644     # check for location of Kerberos 5 install
3645     AC_MSG_CHECKING(for kerberos 5 install path)
3646     AC_ARG_WITH(krb5,
3647     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3648     [ case "$withval" in
3649       no)
3650         AC_MSG_RESULT(no krb5-path given)
3651         ;;
3652       yes)
3653         AC_MSG_RESULT(/usr)
3654         ;;
3655       *)
3656         AC_MSG_RESULT($withval)
3657         KRB5_CFLAGS="-I$withval/include"
3658         KRB5_CPPFLAGS="-I$withval/include"
3659         KRB5_LDFLAGS="-L$withval/lib"
3660         FOUND_KRB5=yes
3661         if test -x "$withval/bin/krb5-config"; then
3662                 KRB5CONFIG=$withval/bin/krb5-config
3663         fi
3664         ;;
3665       esac ],
3666       AC_MSG_RESULT(no krb5-path given)
3667     )
3668   fi
3669
3670   #################################################
3671   # check for krb5-config from recent MIT and Heimdal kerberos 5
3672   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3673   AC_MSG_CHECKING(for working krb5-config)
3674   if test -x "$KRB5CONFIG" && $KRB5CONFIG --libs gssapi > /dev/null ; then
3675     ac_save_CFLAGS=$CFLAGS
3676     CFLAGS="";export CFLAGS
3677     ac_save_LDFLAGS=$LDFLAGS
3678     LDFLAGS="";export LDFLAGS
3679     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3680     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3681     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3682     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3683     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3684     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3685     FOUND_KRB5=yes
3686     AC_MSG_RESULT(yes)
3687   else
3688     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3689   fi
3690
3691   if test x$FOUND_KRB5 = x"no"; then
3692     #################################################
3693     # see if this box has the SuSE location for the heimdal krb implementation
3694     AC_MSG_CHECKING(for /usr/include/heimdal)
3695     if test -d /usr/include/heimdal; then
3696       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3697           KRB5_CFLAGS="-I/usr/include/heimdal"
3698           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3699           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3700           FOUND_KRB5=yes
3701           AC_MSG_RESULT(yes)
3702       else
3703           KRB5_CFLAGS="-I/usr/include/heimdal"
3704           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3705           FOUND_KRB5=yes
3706           AC_MSG_RESULT(yes)
3707       fi
3708     else
3709       AC_MSG_RESULT(no)
3710     fi
3711   fi
3712
3713   if test x$FOUND_KRB5 = x"no"; then
3714     #################################################
3715     # see if this box has the RedHat location for kerberos
3716     AC_MSG_CHECKING(for /usr/kerberos)
3717     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3718       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3719       KRB5_CFLAGS="-I/usr/kerberos/include"
3720       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3721       FOUND_KRB5=yes
3722       AC_MSG_RESULT(yes)
3723     else
3724       AC_MSG_RESULT(no)
3725     fi
3726   fi
3727
3728   if test x$FOUND_KRB5 = x"no"; then
3729     #################################################
3730     # see if this box has the OpenBSD location for heimdal krb5
3731     AC_MSG_CHECKING(for /usr/include/kerberosV)
3732     if test -d /usr/include/kerberosV; then
3733       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3734       KRB5_LIBS="-lcrypto"
3735       FOUND_KRB5=yes
3736       AC_MSG_RESULT(yes)
3737     else
3738       AC_MSG_RESULT(no)
3739     fi
3740   fi
3741
3742   if test x$FOUND_KRB5 = x"no"; then
3743     #################################################
3744     # see if this box has Solaris MIT kerberos implementation
3745     AC_MSG_CHECKING(for Solaris MIT kerberos)
3746     if test -x "$KRB5CONFIG" && $KRB5CONFIG --version | grep -s Solaris | grep -s MIT > /dev/null ; then
3747        FOUND_KRB5=yes
3748        KRB5_LIBS="-lgss -lkrb5"
3749        KRB5_CFLAGS="`$KRB5CONFIG --cflags`"
3750        KRB5_CPPFLAGS="`$KRB5CONFIG --cflags`"
3751        AC_MSG_RESULT(yes)
3752     else
3753       AC_MSG_RESULT(no)
3754     fi
3755   fi
3756
3757   ac_save_CFLAGS=$CFLAGS
3758   ac_save_CPPFLAGS=$CPPFLAGS
3759   ac_save_LDFLAGS=$LDFLAGS
3760
3761   # remove needless evil rpath stuff as early as possible:
3762   LIB_REMOVE_USR_LIB(KRB5_LIBS)
3763   LIB_REMOVE_USR_LIB(KRB5_LDFLAGS)
3764   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3765   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3766   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3767
3768   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3769
3770   # now check for krb5.h. Some systems have the libraries without the headers!
3771   # note that this check is done here to allow for different kerberos
3772   # include paths
3773   AC_CHECK_HEADERS(krb5.h)
3774
3775   if test x"$ac_cv_header_krb5_h" = x"no"; then
3776
3777     # Give a warning if AD support was not explicitly requested,
3778     # i.e with_ads_support = auto, otherwise die with an error.
3779
3780     if test x"$with_ads_support" = x"yes"; then
3781       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3782     else
3783       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3784     fi
3785
3786     # Turn off AD support and restore CFLAGS and LIBS variables
3787
3788     with_ads_support="no"
3789
3790     CFLAGS=$ac_save_CFLAGS
3791     CPPFLAGS=$ac_save_CPPFLAGS
3792     LDFLAGS=$ac_save_LDFLAGS
3793   fi
3794
3795   # check for new heimdal KRB5_DEPRECATED handling
3796
3797   AC_CACHE_CHECK([for KRB5_DEPRECATED define taking an identifier],
3798                 samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER,[
3799     AC_TRY_COMPILE(
3800       [#define KRB5_DEPRECATED 1
3801       #include <krb5.h>],
3802       [],
3803       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=yes,
3804       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=no)])
3805
3806   if test x"$samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER" = x"yes"; then
3807     AC_DEFINE(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER, 1,
3808                [Whether to use deprecated krb5 interfaces])
3809   fi
3810 fi
3811
3812 # Now we have determined whether we really want ADS support
3813 use_ads=no
3814 if test x"$with_ads_support" != x"no"; then
3815   use_ads=yes
3816   have_gssapi=no
3817   ac_save_LIBS=$LIBS
3818
3819   # now check for gssapi headers.  This is also done here to allow for
3820   # different kerberos include paths
3821   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h)
3822
3823   ##################################################################
3824   # we might need the k5crypto and com_err libraries on some systems
3825   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3826   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3827
3828   # Heimdal checks.
3829   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3830   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3831   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3832
3833   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3834   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3835
3836   ########################################################
3837   # now see if we can find the krb5 libs in standard paths
3838   # or as specified above
3839   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3840   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3841
3842   ########################################################
3843   # now see if we can find the gssapi libs in standard paths
3844   if test x"$have_gssapi" != x"yes"; then
3845      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3846      AC_CHECK_LIB_EXT(gss, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3847   fi
3848   ################################################################
3849   # test for AD / GSSAPI support being enabled
3850   if test x"$have_gssapi" != xyes ; then
3851         AC_MSG_WARN([Samba cannot be supported without GSSAPI])
3852         use_ads=no
3853   fi
3854
3855   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3856   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3857   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3858   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3859   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3860   AC_CHECK_FUNC_EXT(krb5_use_enctype, $KRB5_LIBS)
3861   AC_CHECK_FUNC_EXT(krb5_string_to_key, $KRB5_LIBS)
3862   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3863   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3864   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3865   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3866   AC_CHECK_FUNC_EXT(krb5_locate_kdc, $KRB5_LIBS)
3867   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3868   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3869   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3870   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3871   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3872   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3873   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3874   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3875   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3876   AC_CHECK_FUNC_EXT(krb5_c_enctype_compare, $KRB5_LIBS)
3877   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3878   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3879   AC_CHECK_FUNC_EXT(krb5_decode_ap_req, $KRB5_LIBS)
3880   AC_CHECK_FUNC_EXT(free_AP_REQ, $KRB5_LIBS)
3881   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3882   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3883   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3884   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3885   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3886   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3887   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3888   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3889   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3890   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3891   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3892   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3893   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3894   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3895   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_alloc, $KRB5_LIBS)
3896   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_set_impersonate, $KRB5_LIBS)
3897   AC_CHECK_FUNC_EXT(krb5_get_creds, $KRB5_LIBS)
3898   AC_CHECK_FUNC_EXT(krb5_get_credentials_for_user, $KRB5_LIBS)
3899   AC_CHECK_FUNC_EXT(krb5_get_host_realm, $KRB5_LIBS)
3900   AC_CHECK_FUNC_EXT(krb5_free_host_realm, $KRB5_LIBS)
3901   AC_CHECK_FUNC_EXT(gss_krb5_import_cred, $KRB5_LIBS)
3902   AC_CHECK_FUNC_EXT(gss_get_name_attribute, $KRB5_LIBS)
3903   AC_CHECK_FUNC_EXT(gsskrb5_extract_authz_data_from_sec_context, $KRB5_LIBS)
3904   AC_CHECK_FUNC_EXT(gss_mech_krb5, $KRB5_LIBS)
3905   AC_CHECK_FUNC_EXT(gss_oid_equal, $KRB5_LIBS)
3906   AC_CHECK_FUNC_EXT(gss_inquire_sec_context_by_oid, $KRB5_LIBS)
3907   AC_CHECK_FUNC_EXT(gss_wrap_iov, $KRB5_LIBS)
3908   AC_CHECK_FUNC_EXT(gss_krb5_export_lucid_sec_context, $KRB5_LIBS)
3909
3910   # This is for FreeBSD (and possibly others). gss_mech_krb5 is a
3911   # #define to GSS_KRB5_MECHANISM, which is defined in -lgssapi_krb5
3912   AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS, GSS_KRB5_MECHANISM,
3913                    [KRB5_LIBS="$KRB5_LIBS -lgssapi_krb5"])
3914
3915   # MIT krb5 1.8 does not expose this call (yet)
3916   AC_CHECK_DECLS(krb5_get_credentials_for_user, [], [], [#include <krb5.h>])
3917
3918   # MIT krb5 1.7beta3 (in Ubuntu Karmic) does not have this declaration
3919   # but does have the symbol
3920   AC_CHECK_DECLS(krb5_auth_con_set_req_cksumtype, [], [], [#include <krb5.h>])
3921
3922   LIBS="$KRB5_LIBS $LIBS"
3923
3924   AC_CACHE_CHECK(whether krb5_ticket contains kvno and enctype,
3925         smb_krb5_cv_ticket_has_keyinfo,
3926         [
3927             AC_TRY_COMPILE(
3928             [
3929                 #include <krb5.h>
3930             ],
3931             [
3932                 krb5_ticket ticket;
3933                 krb5_kvno kvno;
3934                 krb5_enctype enctype;
3935
3936                 enctype = ticket.enc_part.enctype;
3937                 kvno = ticket.enc_part.kvno;
3938             ],
3939             [ smb_krb5_cv_ticket_has_keyinfo=yes ],
3940             [ smb_krb5_cv_ticket_has_keyinfo=no ])
3941         ])
3942
3943   if test x"$smb_krb5_cv_ticket_has_keyinfo" = x"yes" ; then
3944         AC_DEFINE(KRB5_TICKET_HAS_KEYINFO, 1,
3945             [Whether the krb5_ticket structure contains the kvno and enctype])
3946   fi
3947
3948   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3949           smb_krb5_cv_creds_opt_free_context,
3950           [
3951                 AC_TRY_COMPILE([
3952                     #include <krb5.h>],
3953                     [
3954                         krb5_context ctx;
3955                         krb5_get_init_creds_opt *opt = NULL;
3956                         krb5_get_init_creds_opt_free(ctx, opt);
3957                     ],
3958                     [smb_krb5_cv_creds_opt_free_context=yes],
3959                     [smb_krb5_cv_creds_opt_free_context=no]
3960                 )
3961           ])
3962
3963   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3964         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3965             [Whether krb5_get_init_creds_opt_free takes a context argument])
3966   fi
3967
3968   AC_CACHE_CHECK([for checksum in krb5_checksum],
3969                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3970     AC_TRY_COMPILE([#include <krb5.h>],
3971       [krb5_checksum cksum; cksum.checksum.length = 0;],
3972       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3973       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3974
3975   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3976     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3977                [Whether the krb5_checksum struct has a checksum property])
3978   fi
3979
3980   AC_CACHE_CHECK([for etype in EncryptedData],
3981                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3982     AC_TRY_COMPILE([#include <krb5.h>],
3983       [EncryptedData edata; edata.etype = 0;],
3984       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3985       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3986
3987   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3988     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3989                [Whether the EncryptedData struct has a etype property])
3990   fi
3991
3992   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3993                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3994     AC_TRY_COMPILE([#include <krb5.h>],
3995       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3996       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3997       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3998
3999   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
4000     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
4001                [Whether the krb5_ap_req struct has a ticket pointer])
4002   fi
4003
4004   AC_CACHE_CHECK([for e_data pointer in krb5_error],
4005                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
4006     AC_TRY_COMPILE([#include <krb5.h>],
4007       [krb5_error err; err.e_data = NULL;],
4008       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
4009       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
4010
4011   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
4012     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
4013                [Whether the krb5_error struct has a e_data pointer])
4014   fi
4015
4016   AC_CACHE_CHECK([for krb5_crypto type],
4017                 samba_cv_HAVE_KRB5_CRYPTO,[
4018     AC_TRY_COMPILE([#include <krb5.h>],
4019       [krb5_crypto crypto;],
4020       samba_cv_HAVE_KRB5_CRYPTO=yes,
4021       samba_cv_HAVE_KRB5_CRYPTO=no)])
4022
4023   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
4024     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
4025                [Whether the type krb5_crypto exists])
4026   fi
4027
4028   AC_CACHE_CHECK([for krb5_encrypt_block type],
4029                 samba_cv_HAVE_KRB5_ENCRYPT_BLOCK,[
4030     AC_TRY_COMPILE([#include <krb5.h>],
4031       [krb5_encrypt_block block;],
4032       samba_cv_HAVE_KRB5_ENCRYPT_BLOCK=yes,
4033       samba_cv_HAVE_KRB5_ENCRYPT_BLOCK=no)])
4034
4035   if test x"$samba_cv_HAVE_KRB5_ENCRYPT_BLOCK" = x"yes"; then
4036     AC_DEFINE(HAVE_KRB5_ENCRYPT_BLOCK,1,
4037                [Whether the type krb5_encrypt_block exists])
4038   fi
4039
4040   AC_CACHE_CHECK([for addrtype in krb5_address],
4041                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
4042     AC_TRY_COMPILE([#include <krb5.h>],
4043       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
4044       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
4045       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
4046
4047   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
4048     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
4049                [Whether the krb5_address struct has a addrtype property])
4050   fi
4051
4052   AC_CACHE_CHECK([for addr_type in krb5_address],
4053                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
4054     AC_TRY_COMPILE([#include <krb5.h>],
4055       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
4056       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
4057       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
4058
4059   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
4060     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
4061               [Whether the krb5_address struct has a addr_type property])
4062   fi
4063
4064   AC_CACHE_CHECK([for enc_part2 in krb5_ticket],
4065                  samba_cv_HAVE_KRB5_TKT_ENC_PART2,
4066                  [AC_TRY_COMPILE([#include <krb5.h>],
4067     [krb5_ticket tkt; tkt.enc_part2->authorization_data[0]->contents = NULL;],
4068     samba_cv_HAVE_KRB5_TKT_ENC_PART2=yes,samba_cv_HAVE_KRB5_TKT_ENC_PART2=no)])
4069
4070   if test x"$samba_cv_HAVE_KRB5_TKT_ENC_PART2" = x"yes"; then
4071     AC_DEFINE(HAVE_KRB5_TKT_ENC_PART2,1,
4072               [Whether the krb5_ticket struct has a enc_part2 property])
4073   fi
4074
4075   AC_CACHE_CHECK([for keyblock in krb5_creds],
4076                  samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS,[
4077     AC_TRY_COMPILE([#include <krb5.h>],
4078       [krb5_creds creds; krb5_keyblock kb; creds.keyblock = kb;],
4079       samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS=yes,
4080       samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS=no)])
4081
4082   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS" = x"yes"; then
4083     AC_DEFINE(HAVE_KRB5_KEYBLOCK_IN_CREDS,1,
4084               [Whether the krb5_creds struct has a keyblock property])
4085   fi
4086
4087   AC_CACHE_CHECK([for session in krb5_creds],
4088                  samba_cv_HAVE_KRB5_SESSION_IN_CREDS,[
4089     AC_TRY_COMPILE([#include <krb5.h>],
4090       [krb5_creds creds; krb5_keyblock kb; creds.session = kb;],
4091       samba_cv_HAVE_KRB5_SESSION_IN_CREDS=yes,
4092       samba_cv_HAVE_KRB5_SESSION_IN_CREDS=no)])
4093
4094   if test x"$samba_cv_HAVE_KRB5_SESSION_IN_CREDS" = x"yes"; then
4095     AC_DEFINE(HAVE_KRB5_SESSION_IN_CREDS,1,
4096               [Whether the krb5_creds struct has a session property])
4097   fi
4098
4099   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
4100                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
4101     AC_TRY_COMPILE([#include <krb5.h>],
4102       [krb5_keyblock key; key.keyvalue.data = NULL;],
4103       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
4104       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
4105
4106   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
4107     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
4108               [Whether the krb5_keyblock struct has a keyvalue property])
4109   fi
4110
4111   found_arcfour_hmac=no
4112   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
4113                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
4114     AC_TRY_COMPILE([#include <krb5.h>],
4115       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
4116       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
4117       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
4118   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
4119                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
4120     AC_TRY_COMPILE([#include <krb5.h>],
4121       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
4122       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
4123       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
4124 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
4125 # w.r.t. arcfour and windows, so we must not enable it here
4126   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
4127           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
4128     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
4129               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available])
4130     found_arcfour_hmac=yes
4131   fi
4132   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC],
4133                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC,[
4134     AC_TRY_COMPILE([#include <krb5.h>],
4135       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC;],
4136       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=yes,
4137       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=no)])
4138   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC" = x"yes"; then
4139     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC,1,
4140               [Whether the ENCTYPE_ARCFOUR_HMAC key type definition is available])
4141     found_arcfour_hmac=yes
4142   fi
4143
4144   AC_CACHE_CHECK([for ENCTYPE_AES128_CTS_HMAC_SHA1_96],
4145                  samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,[
4146     AC_TRY_COMPILE([#include <krb5.h>],
4147       [krb5_enctype enctype; enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;],
4148       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=yes,
4149       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=no)])
4150   if test x"$samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96" = x"yes"; then
4151     AC_DEFINE(HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,1,
4152               [Whether the ENCTYPE_AES128_CTS_HMAC_SHA1_96 key type definition is available])
4153   fi
4154   AC_CACHE_CHECK([for ENCTYPE_AES256_CTS_HMAC_SHA1_96],
4155                  samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,[
4156     AC_TRY_COMPILE([#include <krb5.h>],
4157       [krb5_enctype enctype; enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;],
4158       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=yes,
4159       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=no)])
4160   if test x"$samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96" = x"yes"; then
4161     AC_DEFINE(HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,1,
4162               [Whether the ENCTYPE_AES256_CTS_HMAC_SHA1_96 key type definition is available])
4163   fi
4164
4165   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
4166                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
4167     AC_TRY_COMPILE([#include <krb5.h>],
4168       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
4169       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
4170       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
4171
4172   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
4173     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
4174               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
4175   fi
4176
4177   AC_CACHE_CHECK([for KV5M_KEYTAB],
4178                  samba_cv_HAVE_KV5M_KEYTAB,[
4179     AC_TRY_COMPILE([#include <krb5.h>],
4180       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
4181       samba_cv_HAVE_KV5M_KEYTAB=yes,
4182       samba_cv_HAVE_KV5M_KEYTAB=no)])
4183
4184   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
4185       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
4186              [Whether the KV5M_KEYTAB option is available])
4187   fi
4188
4189   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
4190                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
4191     AC_TRY_COMPILE([#include <krb5.h>],
4192       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
4193       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
4194       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
4195
4196   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
4197     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
4198               [Whether KRB5_KU_OTHER_CKSUM is available])
4199   fi
4200
4201   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
4202                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
4203     AC_TRY_COMPILE([#include <krb5.h>],
4204       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
4205       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
4206       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
4207
4208   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
4209     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
4210               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
4211   fi
4212
4213   AC_CACHE_CHECK([for the krb5_princ_component macro],
4214                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
4215     AC_TRY_LINK([#include <krb5.h>],
4216       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
4217       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
4218       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
4219
4220   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
4221     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
4222                [Whether krb5_princ_component is available])
4223   fi
4224
4225   AC_CACHE_CHECK([for key in krb5_keytab_entry],
4226                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
4227     AC_TRY_COMPILE([#include <krb5.h>],
4228       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
4229       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
4230       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
4231
4232   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
4233     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
4234               [Whether krb5_keytab_entry has key member])
4235   fi
4236
4237   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
4238                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
4239     AC_TRY_COMPILE([#include <krb5.h>],
4240       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
4241       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
4242       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
4243
4244   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
4245     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
4246               [Whether krb5_keytab_entry has keyblock member])
4247   fi
4248
4249   AC_CACHE_CHECK([for magic in krb5_address],
4250                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
4251     AC_TRY_COMPILE([#include <krb5.h>],
4252       [krb5_address addr; addr.magic = 0;],
4253       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
4254       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
4255
4256   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
4257     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
4258               [Whether the krb5_address struct has a magic property])
4259   fi
4260
4261   AC_CACHE_CHECK([for WRFILE: keytab support],
4262                 samba_cv_HAVE_WRFILE_KEYTAB,[
4263     AC_TRY_RUN([
4264 #include<krb5.h>
4265   main()
4266   {
4267     krb5_context context;
4268     krb5_keytab keytab;
4269
4270     krb5_init_context(&context);
4271     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
4272   }],
4273   samba_cv_HAVE_WRFILE_KEYTAB=yes,
4274   samba_cv_HAVE_WRFILE_KEYTAB=no)])
4275
4276   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
4277       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
4278                [Whether the WRFILE:-keytab is supported])
4279   fi
4280
4281   AC_CACHE_CHECK([for krb5_realm type],
4282                 samba_cv_HAVE_KRB5_REALM_TYPE,[
4283     AC_TRY_COMPILE([#include <krb5.h>],
4284       [krb5_realm realm;],
4285       samba_cv_HAVE_KRB5_REALM_TYPE=yes,
4286       samba_cv_HAVE_KRB5_REALM_TYPE=no)])
4287
4288   if test x"$samba_cv_HAVE_KRB5_REALM_TYPE" = x"yes"; then
4289     AC_DEFINE(HAVE_KRB5_REALM_TYPE,1,
4290                [Whether the type krb5_realm exists])
4291   fi
4292
4293   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
4294                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
4295     AC_TRY_COMPILE([#include <krb5.h>],
4296     [
4297     krb5_context context;
4298     krb5_principal principal;
4299     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
4300     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
4301     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
4302
4303   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
4304     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
4305               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
4306   fi
4307
4308   AC_CACHE_CHECK([for krb5_addresses type],
4309                 samba_cv_HAVE_KRB5_ADDRESSES,[
4310     AC_TRY_COMPILE([#include <krb5.h>],
4311       [krb5_addresses addr;],
4312       samba_cv_HAVE_KRB5_ADDRESSES=yes,
4313       samba_cv_HAVE_KRB5_ADDRESSES=no)])
4314
4315   if test x"$samba_cv_HAVE_KRB5_ADDRESSES" = x"yes"; then
4316     AC_DEFINE(HAVE_KRB5_ADDRESSES,1,
4317                [Whether the type krb5_addresses type exists])
4318   fi
4319
4320   AC_CACHE_CHECK([whether krb5_mk_error takes 3 arguments MIT or 9 Heimdal],
4321                 samba_cv_HAVE_SHORT_KRB5_MK_ERROR_INTERFACE, [
4322     AC_TRY_COMPILE([#include <krb5.h>],
4323     [
4324     krb5_mk_error(0,0,0);],
4325     samba_cv_HAVE_SHORT_KRB5_MK_ERROR_INTERFACE=yes,
4326     samba_cv_HAVE_SHORT_KRB5_MK_ERROR_INTERFACE=no)])
4327
4328   if test x"$samba_cv_HAVE_SHORT_KRB5_MK_ERROR_INTERFACE" = x"yes"; then
4329     AC_DEFINE(HAVE_SHORT_KRB5_MK_ERROR_INTERFACE,1,
4330               [whether krb5_mk_error takes 3 arguments MIT or 9 Heimdal])
4331   fi
4332
4333   if test x"$ac_cv_func_ext_krb5_enctype_to_string" = x"yes"; then
4334     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_context context, krb5_enctype enctype, char **str)],
4335         smb_krb5_cv_enctype_to_string_takes_krb5_context_arg,[
4336         AC_TRY_RUN_STRICT([
4337                 #include <stdlib.h>
4338                 #include <krb5.h>
4339                 int main(void) {
4340                         krb5_context context = NULL;
4341                         char *str = NULL;
4342                         krb5_enctype_to_string(context, 1, &str);
4343                         if (str) free (str); 
4344                         return 0;
4345                 }
4346                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
4347                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=yes,
4348                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=no)])
4349
4350     if test x"$smb_krb5_cv_enctype_to_string_takes_krb5_context_arg" = x"yes"; then
4351       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG,1,
4352                 [whether krb5_enctype_to_string takes krb5_context argument])
4353     fi
4354
4355     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_enctype enctype, char *str, size_t len)],
4356         smb_krb5_cv_enctype_to_string_takes_size_t_arg,[
4357         AC_TRY_RUN_STRICT([
4358                 #include <krb5.h>
4359                 int main(void) {
4360                         char buf[256];
4361                         krb5_enctype_to_string(1, buf, 256);
4362                         return 0;
4363                 }
4364                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
4365                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=yes,
4366                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=no)])
4367
4368     if test x"$smb_krb5_cv_enctype_to_string_takes_size_t_arg" = x"yes"; then
4369       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG,1,
4370                 [whether krb5_enctype_to_string takes size_t argument])
4371     fi
4372   fi
4373
4374   AC_CACHE_CHECK([for krb5_principal_get_realm],
4375                 samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM,[
4376     AC_TRY_LINK([#include <krb5.h>],
4377       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_principal_get_realm(ctx, princ);],
4378       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=yes,
4379       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=no)])
4380
4381   if test x"$samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM" = x"yes"; then
4382     AC_DEFINE(HAVE_KRB5_PRINCIPAL_GET_REALM,1,
4383                [Whether the function krb5_principal_get_realm is defined])
4384   fi
4385
4386   AC_CACHE_CHECK([for krb5_princ_realm],
4387                 samba_cv_HAVE_KRB5_PRINC_REALM,[
4388     AC_TRY_LINK([#include <krb5.h>],
4389       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_princ_realm(ctx, princ)->data;],
4390       samba_cv_HAVE_KRB5_PRINC_REALM=yes,
4391       samba_cv_HAVE_KRB5_PRINC_REALM=no)])
4392
4393   if test x"$samba_cv_HAVE_KRB5_PRINC_REALM" = x"yes"; then
4394     AC_DEFINE(HAVE_KRB5_PRINC_REALM,1,
4395                [Whether the macro krb5_princ_realm is defined])
4396   fi
4397
4398   AC_HAVE_DECL(KRB5_PDU_NONE,[#include <krb5.h>])
4399
4400   #
4401   #
4402   # Now the decisions whether we can support krb5
4403   #
4404   # NOTE: all tests should be done before this block!
4405   #
4406   #
4407   if test x"$found_arcfour_hmac" != x"yes"; then
4408     AC_MSG_WARN(arcfour-hmac-md5 encryption type not found in -lkrb5)
4409     use_ads=no
4410   fi
4411
4412   if test x"$ac_cv_func_ext_krb5_set_real_time" != x"yes"; then
4413     AC_MSG_WARN(krb5_set_real_time encryption type not found in -lkrb5)
4414     use_ads=no
4415   fi
4416
4417   if test x"$ac_cv_lib_ext_krb5_krb5_mk_req_extended" != x"yes"; then
4418     AC_MSG_WARN(krb5_mk_req_extended not found in -lkrb5)
4419     use_ads=no
4420   fi
4421
4422   if test x"$ac_cv_func_ext_krb5_c_enctype_compare" != x"yes"; then
4423     AC_MSG_WARN(krb5_c_enctype_compare not found in -lkrb5)
4424     use_ads=no
4425   fi
4426
4427   if test x"$ac_cv_func_ext_krb5_get_host_realm" != x"yes"
4428   then
4429     AC_MSG_WARN(krb5_get_host_realm not found in -lkrb5)
4430     use_ads=no<