s3: add sendfile support for Tru64, which is the same as HP-UX's
[kai/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} ${TEVENT_LIBS}"
37
38 SAMBA_CPPFLAGS="-Iinclude/autoconf -Iautoconf -Iautoconf/source3"
39 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -Iinclude -I${srcdir-.}/include  -I. -I${srcdir-.}"
40 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/replace"
41 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TEVENT_CFLAGS}"
42 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${CCAN_CFLAGS}"
43 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/librpc"
44 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/.."
45 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/tdb_compat"
46
47 SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/popt"
48
49 ## cleanup the $(srcdir) in the Makefile if we are outside of the tree
50 if test "x${srcdir-.}" != "x."; then
51         SAMBA_CPPFLAGS=`echo ${SAMBA_CPPFLAGS} | sed -e "s;${srcdir};\$\(srcdir\);g"`
52 fi
53
54 dnl Unique-to-Samba variables we'll be playing with.
55 AC_SUBST(SAMBA_CPPFLAGS)
56 AC_SUBST(SHELL)
57 AC_SUBST(LDSHFLAGS)
58 AC_SUBST(SONAMEFLAG)
59 AC_SUBST(SHLD)
60 AC_SUBST(MODULE_EXPORTS)
61 AC_SUBST(DSO_EXPORTS)
62 AC_SUBST(HOST_OS)
63 AC_SUBST(PICFLAG)
64 AC_SUBST(PIE_CFLAGS)
65 AC_SUBST(PIE_LDFLAGS)
66 AC_SUBST(RELRO_LDFLAGS)
67 AC_SUBST(SHLIBEXT)
68 AC_SUBST(INSTALLLIBCMD_SH)
69 AC_SUBST(INSTALLLIBCMD_A)
70 AC_SUBST(UNINSTALLLIBCMD_SH)
71 AC_SUBST(UNINSTALLLIBCMD_A)
72
73 AC_SUBST(INSTALL_LIBWBCLIENT)
74 AC_SUBST(UNINSTALL_LIBWBCLIENT)
75 AC_SUBST(LIBWBCLIENT_SHARED_TARGET)
76 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_SOVER)
77 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_FULLVER)
78 AC_SUBST(LIBWBCLIENT_SHARED)
79 AC_SUBST(LIBWBCLIENT_STATIC_TARGET)
80 AC_SUBST(LIBWBCLIENT_STATIC)
81 AC_SUBST(LIBWBCLIENT_SOVER)
82 AC_SUBST(LIBWBCLIENT_FULLVER)
83 AC_SUBST(LIBWBCLIENT)
84 AC_SUBST(LIBWBCLIENT_LIBS)
85
86 AC_SUBST(LIBSAMBAUTIL_SHARED)
87
88 AC_SUBST(PRINT_LIBS)
89 AC_SUBST(AUTH_LIBS)
90 AC_SUBST(ACL_LIBS)
91 AC_SUBST(PASSDB_LIBS)
92 AC_SUBST(IDMAP_LIBS)
93 AC_SUBST(KRB5_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 "$ac_cv_gnu_ld_vernr_minor" -ge 12; then
267              ac_cv_gnu_ld_version_script=yes
268            fi
269         fi
270 fi
271
272 dnl Check if C compiler understands -c and -o at the same time
273 AC_PROG_CC_C_O
274 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
275       BROKEN_CC=
276 else
277       BROKEN_CC=#
278 fi
279 AC_SUBST(BROKEN_CC)
280
281 dnl Check if the C compiler understands -Werror (GNU)
282 AC_CACHE_CHECK([that the C compiler understands -Werror],samba_cv_HAVE_Werror, [
283  AC_TRY_RUN_STRICT([
284   int main(void)
285   {
286         return 0;
287   }],[$CFLAGS -Werror],[$CPPFLAGS],[$LDFLAGS],
288   samba_cv_HAVE_Werror=yes,samba_cv_HAVE_Werror=no,samba_cv_HAVE_Werror=cross)])
289 if test x"$samba_cv_HAVE_Werror" = x"yes"; then
290    Werror_FLAGS="-Werror"
291 else
292 dnl Check if the C compiler understands -w2
293 AC_CACHE_CHECK([that the C compiler understands -w2],samba_cv_HAVE_w2, [
294  AC_TRY_RUN_STRICT([
295   int main(void)
296   {
297         return 0;
298   }],[$CFLAGS -w2],[$CPPFLAGS],[$LDFLAGS],
299   samba_cv_HAVE_w2=yes,samba_cv_HAVE_w2=no,samba_cv_HAVE_w2=cross)])
300 if test x"$samba_cv_HAVE_w2" = x"yes"; then
301    Werror_FLAGS="-w2"
302 else
303 dnl Check if the C compiler understands -errwarn (Sun)
304 AC_CACHE_CHECK([that the C compiler understands -errwarn],samba_cv_HAVE_errwarn, [
305   AC_TRY_RUN_STRICT([
306    int main(void)
307    {
308         return 0;
309    }],[$CFLAGS -errwarn=%all],[$CPPFLAGS],[$LDFLAGS],
310    samba_cv_HAVE_errwarn=yes,samba_cv_HAVE_errwarn=no,samba_cv_HAVE_errwarn=cross)])
311 if test x"$samba_cv_HAVE_errwarn" = x"yes"; then
312    Werror_FLAGS="-errwarn=%all"
313 else
314 dnl Check if the C compiler understands -qhalt (IBM)
315 AC_CACHE_CHECK([that the C compiler understands -qhalt],samba_cv_HAVE_qhalt, [
316   AC_TRY_RUN_STRICT([
317    int main(void)
318    {
319         return 0;
320    }],[$CFLAGS -qhalt=w],[$CPPFLAGS],[$LDFLAGS],
321    samba_cv_HAVE_qhalt=yes,samba_cv_HAVE_qhalt=no,samba_cv_HAVE_qhalt=cross)])
322 if test x"$samba_cv_HAVE_qhalt" = x"yes"; then
323    Werror_FLAGS="-qhalt=w"
324 fi
325 fi
326 fi
327 fi
328
329 ############################################
330 # check if the compiler can handle negative enum values
331 # and don't truncate the values to INT_MAX
332 # a runtime test is needed here
333 AC_SUBST(PIDL_ARGS)
334 AC_CACHE_CHECK([that the C compiler understands negative enum values],samba_cv_CC_NEGATIVE_ENUM_VALUES, [
335     AC_TRY_RUN(
336 [
337         #include <stdio.h>
338         enum negative_values { NEGATIVE_VALUE = 0xFFFFFFFF };
339         int main(void) {
340                 enum negative_values v1 = NEGATIVE_VALUE;
341                 unsigned v2 = NEGATIVE_VALUE;
342
343                 if (v1 != 0xFFFFFFFF) {
344                         printf("%u != 0xFFFFFFFF\n", v1);
345                         return 1;
346                 }
347                 if (v2 != 0xFFFFFFFF) {
348                         printf("%u != 0xFFFFFFFF\n", v2);
349                         return 1;
350                 }
351
352                 return 0;
353         }
354 ],
355         samba_cv_CC_NEGATIVE_ENUM_VALUES=yes,samba_cv_CC_NEGATIVE_ENUM_VALUES=no)])
356 if test x"$samba_cv_CC_NEGATIVE_ENUM_VALUES" != x"yes"; then
357         AC_MSG_WARN([using --uint-enums for pidl])
358         PIDL_ARGS="$PIDL_ARGS --uint-enums"
359 fi
360
361 dnl Figure out the flags to support named structure initializers
362
363 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_ERROR([c99 structure initializer are not supported])])
364
365 UNAME_S=`(uname -s) 2>/dev/null` || UNAME_S="unknown"
366 AC_MSG_CHECKING(uname -s)
367 AC_MSG_RESULT(${UNAME_S})
368
369 UNAME_R=`(uname -r) 2>/dev/null` || UNAME_R="unknown"
370 AC_MSG_CHECKING(uname -r)
371 AC_MSG_RESULT(${UNAME_R})
372
373 UNAME_M=`(uname -m) 2>/dev/null` || UNAME_M="unknown"
374 AC_MSG_CHECKING(uname -m)
375 AC_MSG_RESULT(${UNAME_M})
376
377 UNAME_P=`(uname -p) 2>/dev/null` || UNAME_P="unknown"
378 AC_MSG_CHECKING(uname -p)
379 AC_MSG_RESULT(${UNAME_P})
380
381 UNAME_I=`(uname -i) 2>/dev/null` || UNAME_I="unknown"
382 AC_MSG_CHECKING(uname -i)
383 AC_MSG_RESULT(${UNAME_I})
384
385 dnl Add #include for broken IRIX header files
386   case "$host_os" in
387         *irix6*)
388                 #TODO add to libreplace
389                 if test x"$ac_cv_prog_gcc" != x"yes" ; then
390                         dnl Fix sensible defaults for MIPSPro compilers. The
391                         dnl error numbers are valid for the 7.3 compilers,
392                         dnl hopefully also valid for the 7.4 series.
393                         dnl
394                         dnl Bugzilla 3801. Force an error on warning 1035
395                         dnl so we don't incorrectly detect stdint.h. This
396                         dnl warning is emitted for #error directives.
397                         CFLAGS="$CFLAGS -diag_error 1035"
398                         dnl 1209: Controlling expression is constant
399                         dnl 1174: Function foo declared but never referenced
400                         dnl 3201: Parameter foo was never referenced
401                         CFLAGS="$CFLAGS -woff 1209,1174,3201"
402                 fi
403         ;;
404 esac
405
406 DYNEXP=
407 AC_SUBST(DYNEXP)
408 LDSHFLAGS_Z_DEFS=
409 AC_SUBST(LDSHFLAGS_Z_DEFS)
410 LDSHFLAGS_Z_NODEFS=
411 AC_SUBST(LDSHFLAGS_Z_NODEFS)
412
413 dnl Add modules that have to be built by default here
414 dnl These have to be built static:
415 default_static_modules=""
416 default_static_modules="$default_static_modules pdb_smbpasswd"
417 default_static_modules="$default_static_modules pdb_tdbsam"
418 default_static_modules="$default_static_modules pdb_wbc_sam"
419 default_static_modules="$default_static_modules rpc_lsarpc"
420 default_static_modules="$default_static_modules rpc_samr"
421 default_static_modules="$default_static_modules rpc_winreg"
422 default_static_modules="$default_static_modules rpc_initshutdown"
423 default_static_modules="$default_static_modules rpc_dssetup"
424 default_static_modules="$default_static_modules rpc_wkssvc"
425 default_static_modules="$default_static_modules rpc_svcctl"
426 default_static_modules="$default_static_modules rpc_ntsvcs"
427 default_static_modules="$default_static_modules rpc_netlogon"
428 default_static_modules="$default_static_modules rpc_netdfs"
429 default_static_modules="$default_static_modules rpc_srvsvc"
430 default_static_modules="$default_static_modules rpc_spoolss"
431 default_static_modules="$default_static_modules rpc_eventlog"
432 default_static_modules="$default_static_modules auth_sam"
433 default_static_modules="$default_static_modules auth_unix"
434 default_static_modules="$default_static_modules auth_winbind"
435 default_static_modules="$default_static_modules auth_wbc"
436 default_static_modules="$default_static_modules auth_domain"
437 default_static_modules="$default_static_modules auth_builtin"
438 default_static_modules="$default_static_modules vfs_default"
439 default_static_modules="$default_static_modules nss_info_template"
440
441 dnl These are preferably build shared, and static if dlopen() is not available
442 default_shared_modules=""
443 default_shared_modules="$default_shared_modules vfs_recycle"
444 default_shared_modules="$default_shared_modules vfs_audit"
445 default_shared_modules="$default_shared_modules vfs_extd_audit"
446 default_shared_modules="$default_shared_modules vfs_full_audit"
447 default_shared_modules="$default_shared_modules vfs_netatalk"
448 default_shared_modules="$default_shared_modules vfs_fake_perms"
449 default_shared_modules="$default_shared_modules vfs_default_quota"
450 default_shared_modules="$default_shared_modules vfs_readonly"
451 default_shared_modules="$default_shared_modules vfs_cap"
452 default_shared_modules="$default_shared_modules vfs_expand_msdfs"
453 default_shared_modules="$default_shared_modules vfs_shadow_copy"
454 default_shared_modules="$default_shared_modules vfs_shadow_copy2"
455 default_shared_modules="$default_shared_modules auth_script"
456 default_shared_modules="$default_shared_modules vfs_readahead"
457 default_shared_modules="$default_shared_modules vfs_xattr_tdb"
458 default_shared_modules="$default_shared_modules vfs_streams_xattr"
459 default_shared_modules="$default_shared_modules vfs_streams_depot"
460 default_shared_modules="$default_shared_modules vfs_acl_xattr"
461 default_shared_modules="$default_shared_modules vfs_acl_tdb"
462 default_shared_modules="$default_shared_modules vfs_smb_traffic_analyzer"
463 default_shared_modules="$default_shared_modules vfs_preopen"
464 default_shared_modules="$default_shared_modules vfs_catia"
465 default_shared_modules="$default_shared_modules vfs_scannedonly"
466 default_shared_modules="$default_shared_modules vfs_crossrename"
467 default_shared_modules="$default_shared_modules vfs_linux_xfs_sgid"
468 default_shared_modules="$default_shared_modules vfs_time_audit"
469 default_shared_modules="$default_shared_modules idmap_autorid"
470 default_shared_modules="$default_shared_modules idmap_tdb2"
471 default_shared_modules="$default_shared_modules idmap_rid"
472 default_shared_modules="$default_shared_modules idmap_hash"
473
474 if test "x$developer" = xyes; then
475    default_shared_modules="$default_shared_modules perfcount_test"
476 fi
477
478
479 #
480 # Config CPPFLAG settings for strange OS's that must be set
481 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
482 # case statement; its first reference must be unconditional.
483 #
484 case "$host_os" in
485     *hpux*)
486 #
487 # Defines needed for HPUX support.
488 # HPUX has bigcrypt but (sometimes?) doesn't use it for
489 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
490 #
491       case `uname -r` in
492                 *9*|*10*|*11)
493                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
494                 ;;
495       esac
496       ;;
497
498 #
499 # CRAY Unicos has broken const handling
500        *unicos*)
501           AC_MSG_RESULT([disabling const])
502           CPPFLAGS="$CPPFLAGS -Dconst="
503           ;;
504         
505 #
506 # AIX4.x doesn't even admit to having large
507 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
508 #
509     *aix4*)
510           AC_MSG_RESULT([enabling large file support])
511           CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
512           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
513       ;;
514 #
515 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
516 # to the existance of large files..
517 #
518 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
519 #
520         *solaris*)
521                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
522                 LDFLAGS="$LDFLAGS -lthread"
523                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
524                 ;;
525 #
526 # IRIX uses SYSV printing.  Make sure to set that here
527 #
528         *irix*)
529                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
530                 ;;
531         *freebsd*|*dragonfly*)
532                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
533                 ;;
534 #
535 # VOS may need to have POSIX support and System V compatibility enabled.
536 #
537     *vos*)
538     case "$CPPFLAGS" in
539           *-D_POSIX_C_SOURCE*)
540                 ;;
541           *)
542                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
543                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
544                 ;;
545     esac
546     case "$CPPFLAGS" in
547           *-D_SYSV*|*-D_SVID_SOURCE*)
548                 ;;
549           *)
550                 CPPFLAGS="$CPPFLAGS -D_SYSV"
551                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
552     esac
553     ;;
554 # GNU systems
555 #
556     *linux* | *hurd* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
557         CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
558         AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
559         ;;
560
561 #
562 # MacOS X is the *only* system that uses compose character in utf8. This
563 # is so horribly broken....
564 #
565     *darwin*)
566         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
567
568 # Add a system specific charset module.
569         default_shared_modules="$default_shared_modules"
570
571         ;;
572     *qnx*)
573         ;;
574
575 esac
576
577 SAVE_CPPFLAGS="${CPPFLAGS}"
578 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
579
580 AC_LIBREPLACE_BROKEN_CHECKS
581 AC_CHECK_FUNCS([syslog],[],[AC_MSG_ERROR([Required function not found])])
582 AC_LIBREPLACE_NETWORK_CHECKS
583
584 CPPFLAGS="${SAVE_CPPFLAGS}"
585
586 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
587
588 LIBREPLACE_OBJS="${LIBREPLACEOBJ}"
589 AC_SUBST(LIBREPLACE_OBJS)
590
591 LIBREPLACE_LIBS="${LIBREPLACE_NETWORK_LIBS} ${LIBREPLACE_FILESYS_LIBS}"
592 AC_SUBST(LIBREPLACE_LIBS)
593
594
595 # add -ldl to the global LIBS
596 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
597 AUTH_LIBS="${AUTH_LIBS} ${CRYPT_LIBS}"
598
599
600 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
601 AC_CHECK_HEADERS(unistd.h grp.h sys/id.h memory.h alloca.h)
602 AC_CHECK_HEADERS(limits.h float.h libintl.h)
603 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
604 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h sys/sysctl.h)
605 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
606 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
607 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
608 AC_CHECK_HEADERS(sys/sysmacros.h)
609 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
610 AC_CHECK_HEADERS(langinfo.h locale.h)
611 AC_CHECK_HEADERS(xfs/libxfs.h)
612 AC_CHECK_HEADERS(netgroup.h)
613 AC_CHECK_HEADERS(linux/falloc.h)
614 AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
615
616 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
617 #if HAVE_RPC_RPC_H
618 #include <rpc/rpc.h>
619 #endif
620 ]])
621 CRYPTO_MD5_OBJ=
622 if test "x$ac_cv_header_CommonCrypto_CommonDigest_h" != "xyes"
623 then
624         CRYPTO_MD5_OBJ="../lib/crypto/md5.o"
625 fi
626 AC_SUBST(CRYPTO_MD5_OBJ)
627
628 ## These fail to compile on IRIX so just check for their presence
629 AC_CHECK_HEADERS(sys/mode.h,,,)
630
631 # Look for Darwin headers
632 old_CPPFLAGS="$CPPFLAGS"
633 CPPFLAGS="-Iinclude $CPPFLAGS"
634 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
635 CPPFLAGS="$old_CPPFLAGS"
636
637 # To link lib/util/charset/charset_macosxfs.c, we need to tell the linker
638 # about CoreFoundation, at least on os X 10.4..10.7 resp. darwin8..12
639 case "$host_os" in
640     *darwin*)
641                 LDFLAGS="$LDFLAGS -framework CoreFoundation"
642         ;;
643 esac
644
645 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
646 # subdirectory of headers.
647 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
648
649 if test x"$enable_developer" = x"yes" ; then
650    if test x"$ac_cv_header_valgrind_h" = xyes -o \
651            x"$ac_cv_header_valgrind_valgrind_h" = xyes ; then
652       AC_DEFINE(VALGRIND,1,[Whether we have valgrind headers])
653    fi
654 fi
655
656 #
657 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
658 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
659 #
660 case "$host_os" in
661     *hpux*)
662                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
663                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
664                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
665                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
666                 fi
667         ;;
668 esac
669 AC_CHECK_HEADERS(shadow.h)
670 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
671 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
672
673 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
674
675 # For experimental utmp support (lastlog on some BSD-like systems)
676 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
677
678 AC_CHECK_SIZEOF(int,cross)
679 AC_CHECK_SIZEOF(long,cross)
680 AC_CHECK_SIZEOF(long long,cross)
681 AC_CHECK_SIZEOF(short,cross)
682
683 AC_C_CONST
684 AC_C_INLINE
685 AC_C_BIGENDIAN
686 AC_C_CHAR_UNSIGNED
687
688 AC_TYPE_SIGNAL
689 AC_TYPE_UID_T
690 AC_TYPE_MODE_T
691 AC_TYPE_OFF_T
692 AC_TYPE_SIZE_T
693 AC_TYPE_PID_T
694 AC_STRUCT_ST_RDEV
695 AC_DIRENT_D_OFF
696 AC_CHECK_TYPE(ssize_t, int)
697 AC_CHECK_TYPE(wchar_t, unsigned short)
698
699 ############################################
700 # for cups support we need libcups, and a handful of header files
701
702 AC_ARG_ENABLE(cups,
703 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
704
705 if test x$enable_cups != xno; then
706         AC_PATH_PROG(CUPS_CONFIG, cups-config)
707
708         if test "x$CUPS_CONFIG" != x; then
709
710                 ac_save_LDFLAGS=$LDFLAGS
711                 ac_save_PRINT_LIBS=$PRINT_LIBS
712                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
713
714                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
715                         x"$ac_cv_header_cups_language_h" = xyes; then
716                         # try linking with -lcups alone first. That should work unless libcups is
717                         # underlinked. With cups-config --libs we pull in unwanted and unneeded
718                         # dendencies including thread libraries - use cups-config only if really
719                         # required. 
720                         AC_CHECK_LIB_EXT(cups, ac_save_PRINT_LIBS , httpConnect,
721                                 [PRINT_LIBS="$ac_save_PRINT_LIBS -lcups"],
722                                 [AC_MSG_WARN([your cups library doesn't link with -lcups alone, it might be underlinked.]) ;
723                                  PRINT_LIBS="$ac_save_PRINT_LIBS `$CUPS_CONFIG --libs`"])
724
725                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
726                         samba_cv_HAVE_CUPS=yes
727                         AC_CHECK_LIB_EXT(cups, PRINT_LIBS, httpConnectEncrypt)
728                 else
729                         AC_MSG_WARN([cups-config around but cups-devel not installed])
730                         CFLAGS=$ac_save_CFLAGS
731                         LDFLAGS=$ac_save_LDFLAGS
732                         PRINT_LIBS=$ac_save_PRINT_LIBS
733                 fi
734
735         elif test x"$enable_cups" = x"yes"; then
736                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
737         fi
738 fi
739
740 AC_ARG_ENABLE(iprint,
741 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
742
743 if test x$enable_iprint != xno; then
744         if test x"$samba_cv_HAVE_CUPS" = xyes; then
745                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
746         elif test x"$enable_iprint" = x"yes"; then
747                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
748         fi
749 fi
750
751 ############################################
752 # check if the compiler will optimize out function calls
753 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
754     AC_TRY_LINK([
755 #include <stdio.h>],
756 [
757                 if (0) {
758                    this_function_does_not_exist();
759                 } else {
760                   return 1;
761                 }
762
763 ],
764         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
765 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
766    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
767 fi
768
769 #############################################
770 # check for fd passing struct via msg_control
771 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
772     AC_TRY_COMPILE([
773 #include <sys/types.h>
774 #include <stdlib.h>
775 #include <stddef.h>
776 #include <sys/socket.h>
777 #include <sys/un.h>],
778 [
779         struct msghdr msg;
780         union {
781               struct cmsghdr cm;
782               char control[CMSG_SPACE(sizeof(int))];
783         } control_un;
784         msg.msg_control = control_un.control;
785         msg.msg_controllen = sizeof(control_un.control);
786 ],
787         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
788 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
789    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
790              [If we can use msg_control for passing file descriptors])
791 fi
792
793 #############################################
794 # check for fd passing struct via msg_acctrights
795 AC_CACHE_CHECK([for fd passing via msg_acctrights],
796                 samba_cv_msghdr_msg_acctrights, [
797     AC_TRY_COMPILE([
798 #include <sys/types.h>
799 #include <stdlib.h>
800 #include <stddef.h>
801 #include <sys/socket.h>
802 #include <sys/un.h>],
803 [
804         struct msghdr msg;
805         int fd;
806         msg.msg_acctrights = (caddr_t) &fd;
807         msg.msg_acctrightslen = sizeof(fd);
808 ],
809         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
810 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
811    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
812              [If we can use msg_acctrights for passing file descriptors])
813 fi
814
815 AC_CHECK_FUNCS(dirfd)
816 if test x"$ac_cv_func_dirfd" = x"yes"; then
817         default_shared_modules="$default_shared_modules vfs_syncops vfs_dirsort"
818 fi
819
820 AC_CACHE_CHECK([for struct sigevent type],samba_cv_struct_sigevent, [
821     AC_TRY_COMPILE([
822 #include <sys/types.h>
823 #if STDC_HEADERS
824 #include <stdlib.h>
825 #include <stddef.h>
826 #endif
827 #include <signal.h>],[struct sigevent s;],
828         samba_cv_struct_sigevent=yes,samba_cv_struct_sigevent=no)])
829 if test x"$samba_cv_struct_sigevent" = x"yes"; then
830    AC_DEFINE(HAVE_STRUCT_SIGEVENT,1,[Whether we have the struct sigevent])
831    AC_CHECK_MEMBERS([struct sigevent.sigev_value.sival_ptr,struct sigevent.sigev_value.sigval_ptr], , ,
832         [#include <signal.h>])
833 fi
834
835 # and glibc has setresuid under linux but the function does
836 # nothing until kernel 2.1.44! very dumb.
837 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
838     AC_TRY_RUN([#include <errno.h>
839 main() { setresuid(1,1,1); setresuid(2,2,2); return(errno==EPERM?0:1);}],
840         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
841 if test x"$samba_cv_have_setresuid" = x"yes"; then
842     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
843 fi
844
845 # Do the same check for setresguid...
846 #
847 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
848     AC_TRY_RUN([#include <unistd.h>
849 #include <errno.h>
850 main() { errno = 0; setresgid(1,1,1); return(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
851         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
852 if test x"$samba_cv_have_setresgid" = x"yes"; then
853     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
854 fi
855
856 AC_FUNC_MEMCMP
857
858 ###############################################
859 # Readline included by default unless explicitly asked not to
860 test "${with_readline+set}" != "set" && with_readline=yes
861
862 # test for where we get readline() from
863 AC_MSG_CHECKING(whether to use readline)
864 AC_ARG_WITH(readline,
865 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
866 [  case "$with_readline" in
867   yes)
868     AC_MSG_RESULT(yes)
869
870     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
871     AC_CHECK_HEADERS(readline/history.h)
872
873     AC_CHECK_HEADERS(readline.h readline/readline.h,[
874       for termlib in ncurses curses termcap terminfo termlib tinfo; do
875        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
876       done
877       AC_CHECK_LIB(readline, rl_callback_handler_install,
878        [TERMLIBS="-lreadline $TERMLIBS"
879        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
880        break], [TERMLIBS=], $TERMLIBS)])
881     ;;
882   no)
883     AC_MSG_RESULT(no)
884     ;;
885   *)
886     AC_MSG_RESULT(yes)
887
888     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
889     # alternate readline path
890     _ldflags=${LDFLAGS}
891     _cppflags=${CPPFLAGS}
892
893     # Add additional search path
894     LDFLAGS="-L$with_readline/lib $LDFLAGS"
895     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
896
897     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
898     AC_CHECK_HEADERS(readline/history.h)
899
900     AC_CHECK_HEADERS(readline.h readline/readline.h,[
901       for termlib in ncurses curses termcap terminfo termlib; do
902        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
903       done
904       AC_CHECK_LIB(readline, rl_callback_handler_install,
905        [TERMLDFLAGS="-L$with_readline/lib"
906        TERMCPPFLAGS="-I$with_readline/include"
907        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
908        TERMLIBS="-lreadline $TERMLIBS"
909        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
910        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
911
912     LDFLAGS=$_ldflags
913     ;;
914   esac],
915   AC_MSG_RESULT(no)
916 )
917 AC_SUBST(TERMLIBS)
918 AC_SUBST(TERMLDFLAGS)
919
920 # The readline API changed slightly from readline3 to readline4, so
921 # code will generate warnings on one of them unless we have a few
922 # special cases.
923 AC_CHECK_LIB(readline, rl_completion_matches,
924              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
925                         [Do we have rl_completion_matches?])],
926              [],
927              [$TERMLIBS])
928
929 # not all readline libs have rl_event_hook or history_list
930 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
931 AC_CHECK_LIB(readline, history_list,
932              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
933              [],
934              [$TERMLIBS])
935
936 ###############################################
937 # test for where we get yp_get_default_domain() from
938 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
939 AC_CHECK_FUNCS(yp_get_default_domain)
940
941 # Check if we have execl, if not we need to compile smbrun.
942 AC_CHECK_FUNCS(execl)
943 if test x"$ac_cv_func_execl" = x"no"; then
944     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun"
945 fi
946
947 AC_CHECK_FUNCS(getcwd fchown chmod fchmod mknod mknod64)
948 AC_CHECK_FUNCS(strtol)
949 AC_CHECK_FUNCS(strchr chflags)
950 AC_CHECK_FUNCS(getrlimit fsync setpgid)
951 AC_CHECK_FUNCS(fdatasync,,[AC_CHECK_LIB_EXT(rt, LIBS, fdatasync)])
952 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
953 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
954 AC_CHECK_FUNCS(initgroups select rdchk getgrnam getgrent pathconf)
955 AC_CHECK_FUNCS(getgrset)
956 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups syscall sysconf)
957 AC_CHECK_FUNCS(atexit grantpt posix_fallocate)
958 AC_CHECK_FUNCS(fallocate)
959 AC_CHECK_FUNCS(fseeko setluid getpwanam)
960 AC_CHECK_FUNCS(fdopendir)
961 AC_CHECK_FUNCS(getpwent_r)
962 AC_CHECK_FUNCS(setenv strcasecmp fcvt fcvtl)
963 AC_CHECK_FUNCS(syslog vsyslog timegm)
964 AC_CHECK_FUNCS(setlocale)
965 AC_CHECK_FUNCS(nanosleep,,[AC_CHECK_LIB_EXT(rt, LIBS, nanosleep)])
966 AC_CHECK_FUNCS(lutimes futimes utimensat futimens)
967 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
968 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
969 AC_CHECK_HEADERS(sys/mman.h)
970 # setbuffer, shmget, shm_open are needed for smbtorture
971 AC_CHECK_FUNCS(shmget shm_open)
972 AC_CHECK_FUNCS(gettext dgettext)
973 AC_CHECK_FUNCS(bindtextdomain textdomain bind_textdomain_codeset)
974 AC_CHECK_FUNCS(strupr)
975
976 # Find a method of generating a stack trace
977 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
978 # libexecinfo provides backtrace_symbols on FreeBSD
979 AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
980 AC_CHECK_FUNCS(backtrace_symbols)
981 AC_CHECK_LIB(exc, trace_back_stack)
982
983 # check for sysctlbyname and sysctl for BSD systems
984 AC_CHECK_FUNCS(sysctlbyname)
985 AC_CHECK_FUNCS(sysctl)
986
987 #################################################
988 # Check to see if core dump directory is defined in linux
989 # with /proc/sys/kernel/core_pattern
990
991 AC_CHECK_FILE([/proc/sys/kernel/core_pattern],
992         AC_DEFINE(HAVE_SYS_KERNEL_PROC_CORE_PATTERN, 1,
993         [Whether Linux kernel uses core_pattern for core files]),
994          [])
995
996 #############################
997 # check if building with gpfs
998 AC_CHECK_HEADERS(gpfs_gpl.h)
999 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes"; then
1000     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL headers are available])
1001     default_shared_modules="$default_shared_modules vfs_gpfs"
1002     default_shared_modules="$default_shared_modules vfs_gpfs_hsm_notify"
1003 fi
1004
1005 # Note that all the libunwind symbols in the API are defined to internal
1006 # platform-specific version, so we must include libunwind.h before checking
1007 # any of them.
1008 AC_MSG_CHECKING([for libunwind])
1009 save_LIBS=$LIBS
1010
1011 UNWIND_ARCH="unknown"
1012 if test x"$UNAME_I" != x"unknown"; then
1013         UNWIND_ARCH="$UNAME_I"
1014 elif test x"$UNAME_M" != x"unknown"; then
1015         UNWIND_ARCH="$UNAME_M"
1016 elif test x"$UNAME_P" != x"unknown"; then
1017         UNWIND_ARCH="$UNAME_P"
1018 fi
1019
1020 case "$UNWIND_ARCH" in
1021         unknown)
1022                 # This probably won't link without
1023                 # the platform-specific libunwind.
1024                 LIBS="$LIBS -lunwind"
1025                 ;;
1026         i386|i586|i686)
1027                 # Add the platform-specific libunwind module.
1028                 LIBS="$LIBS -lunwind -lunwind-x86"
1029                 ;;
1030         *)
1031                 # Add the platform-specific libunwind module.
1032                 # based on uname -i, uname -m or uname -p
1033                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1034                 ;;
1035 esac
1036
1037 AC_TRY_LINK(
1038     [
1039 #ifdef HAVE_LIBUNWIND_H
1040 #include <libunwind.h>
1041 #endif
1042     ],
1043     [
1044         unw_context_t ctx; unw_cursor_t cur;
1045         char buf[256]; unw_word_t off;
1046         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1047         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1048     ],
1049     [
1050         AC_MSG_RESULT(yes)
1051         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1052
1053         # If we have libunwind, test whether we also have libunwind-ptrace
1054         # which would let us unwind arbitrary processes.
1055         save_LIBS=$LIBS
1056         AC_CHECK_HEADERS(libunwind-ptrace.h)
1057         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1058             [
1059                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1060                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1061                     [Whether libunwind-ptrace.a is available.])
1062             ],
1063             [ LIBUNWIND_PTRACE="" ])
1064
1065         LIBS=$save_LIBS
1066     ],
1067     [
1068         AC_MSG_RESULT(no)
1069         LIBS=$save_LIBS
1070     ])
1071
1072 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1073 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1074     AC_CHECK_HEADERS(sys/ptrace.h)
1075     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1076     AC_TRY_LINK(
1077             [
1078 #if HAVE_SYS_TYPES_H
1079 #include <sys/types.h>
1080 #endif
1081 #if HAVE_SYS_PTRACE_H
1082 #include <sys/ptrace.h>
1083 #endif
1084             ],
1085             [
1086                 pid_t me = (pid_t)-1;
1087                 ptrace(PTRACE_ATTACH, me, 0, 0);
1088                 ptrace(PTRACE_DETACH, me, 0, 0);
1089                 return 0;
1090             ],
1091             [
1092                 AC_MSG_RESULT(yes)
1093                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1094                     [Whether the Linux ptrace(2) interface is available.])
1095             ],
1096             [
1097                 AC_MSG_RESULT(no)
1098                 LIBUNWIND_PTRACE=""
1099             ])
1100 fi
1101
1102 AC_SUBST(LIBUNWIND_PTRACE)
1103
1104 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1105 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1106 AC_CHECK_FUNCS(__getcwd _getcwd)
1107 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1108 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1109 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1110 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1111 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1112 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1113 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek)
1114 AC_CHECK_FUNCS(pread _pread __pread)
1115 AC_CHECK_FUNCS(pwrite _pwrite __pwrite)
1116 AC_CHECK_FUNCS(prctl)
1117
1118 AC_TRY_COMPILE([
1119 #ifdef HAVE_SYS_PRCTL_H
1120 #include <sys/prctl.h>
1121 #endif
1122 ],
1123 [int i; i = prtcl(0); ],
1124 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1125
1126 #
1127 #
1128 #
1129 case "$host_os" in
1130     *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
1131        # glibc <= 2.3.2 has a broken getgrouplist
1132        AC_CACHE_CHECK([for good getgrouplist],samba_cv_linux_getgrouplist_ok,[AC_TRY_RUN([
1133 #include <unistd.h>
1134 #include <sys/utsname.h>
1135 main() {
1136        /* glibc up to 2.3 has a broken getgrouplist */
1137 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1138        int libc_major = __GLIBC__;
1139        int libc_minor = __GLIBC_MINOR__;
1140
1141        if (libc_major < 2)
1142               return(1);
1143        if ((libc_major == 2) && (libc_minor <= 3))
1144               return(1);
1145 #endif
1146        return(0);
1147 }
1148 ], [samba_cv_linux_getgrouplist_ok=yes],
1149    [samba_cv_linux_getgrouplist_ok=no],
1150    [samba_cv_linux_getgrouplist_ok=cross])])
1151        if test x"$samba_cv_linux_getgrouplist_ok" = x"yes"; then
1152           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1153        fi
1154        ;;
1155     *)
1156        AC_CHECK_FUNCS(getgrouplist)
1157        ;;
1158 esac
1159
1160 #################################################
1161 # Check whether struct stat has timestamps with sub-second resolution.
1162 #
1163
1164 samba_cv_stat_hires=no
1165 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec], # Linux, Solaris
1166         [samba_cv_stat_hires=yes])
1167 AC_CHECK_MEMBERS([struct stat.st_mtimensec], # BSD, if defined _POSIX_SOURCE
1168         [samba_cv_stat_hires=yes])
1169 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec], # BSD, if not defined _POSIX_SOURCE
1170         [samba_cv_stat_hires=yes])
1171 AC_CHECK_MEMBERS([struct stat.st_mtime_n], # AIX
1172         [samba_cv_stat_hires=yes])
1173 AC_CHECK_MEMBERS([struct stat.st_umtime], # Tru64
1174         [samba_cv_stat_hires=yes])
1175
1176 if test x"$samba_cv_stat_hires" = x"yes" ; then
1177     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1178             [whether struct stat has sub-second timestamps])
1179 fi
1180
1181 # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1182 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
1183 AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
1184
1185
1186 AC_CACHE_CHECK([whether there is DOS flags support in the stat struct], samba_cv_stat_dos_flags,
1187     [
1188         AC_TRY_COMPILE(
1189             [#include <sys/stat.h>],
1190             [
1191                 int a = UF_DOS_ARCHIVE;
1192                 int h = UF_DOS_HIDDEN;
1193                 int r = UF_DOS_RO;
1194                 int s = UF_DOS_SYSTEM;
1195                 int i = UF_DOS_NOINDEX;
1196                 int f = UF_DOS_FLAGS;
1197             ],
1198             samba_cv_stat_dos_flags=yes, samba_cv_stat_dos_flags=no)
1199     ])
1200
1201 if test x"$samba_cv_stat_dos_flags" = x"yes" ; then
1202     AC_DEFINE(HAVE_STAT_DOS_FLAGS, 1, [whether there is DOS flags support in the stat struct])
1203 fi
1204
1205 AC_CACHE_CHECK([whether we can compile with __attribute__((destructor))],
1206                samba_cv_function_attribute_destructor,
1207                [
1208                  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
1209                         [
1210                                 __attribute__((destructor))
1211                                 static void cleanup(void) { }
1212                         ])],
1213                         samba_cv_function_attribute_destructor=yes)
1214                 ])
1215
1216 if test x"$samba_cv_function_attribute_destructor" = xyes ; then
1217    AC_DEFINE(HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR, 1,
1218              [whether we can compile with __attribute__((destructor))])
1219 fi
1220
1221 #####################################
1222 # needed for SRV lookups
1223 AC_CHECK_LIB(resolv, dn_expand)
1224 AC_CHECK_LIB(resolv, _dn_expand)
1225 AC_CHECK_LIB(resolv, __dn_expand)
1226
1227 #
1228 # Check for the functions putprpwnam, set_auth_parameters,
1229 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1230 # Needed for OSF1 and HPUX.
1231 #
1232
1233 AC_LIBTESTFUNC(security, putprpwnam)
1234 AC_LIBTESTFUNC(sec, putprpwnam)
1235
1236 AC_LIBTESTFUNC(security, set_auth_parameters)
1237 AC_LIBTESTFUNC(sec, set_auth_parameters)
1238
1239 # UnixWare 7.x has its getspnam in -lgen
1240 AC_LIBTESTFUNC(gen, getspnam)
1241
1242 AC_LIBTESTFUNC(security, getspnam)
1243 AC_LIBTESTFUNC(sec, getspnam)
1244
1245 AC_LIBTESTFUNC(security, bigcrypt)
1246 AC_LIBTESTFUNC(sec, bigcrypt)
1247
1248 AC_LIBTESTFUNC(security, getprpwnam)
1249 AC_LIBTESTFUNC(sec, getprpwnam)
1250
1251 AC_CHECK_FUNCS(strsignal)
1252
1253 AC_DISABLE_STATIC
1254 AC_ENABLE_SHARED
1255
1256 # Set defaults
1257 PIE_CFLAGS=""
1258 PIE_LDFLAGS=""
1259 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1260
1261 if test "x$enable_pie" != xno
1262 then
1263         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1264         [
1265                 cat > conftest.c <<EOF
1266 int foo;
1267 int main () { return 0;}
1268 EOF
1269                 if AC_TRY_COMMAND_NO_STDERR([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c])
1270                 then
1271                         samba_cv_fpie=yes
1272                 else
1273                         samba_cv_fpie=no
1274                 fi
1275                 rm -f conftest*
1276         ])
1277         if test x"${samba_cv_fpie}" = x"yes"
1278         then
1279                 PIE_CFLAGS="-fPIE"
1280                 PIE_LDFLAGS="-pie"
1281         fi
1282 fi
1283
1284 # Set defaults
1285 RELRO_LDFLAGS=""
1286 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1287
1288 if test "x$enable_relro" != xno
1289 then
1290         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1291         [
1292                 cat > conftest.c <<EOF
1293 int foo;
1294 main () { return 0;}
1295 EOF
1296                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1297                 then
1298                         samba_cv_relro=yes
1299                 else
1300                         samba_cv_relro=no
1301                 fi
1302                 rm -f conftest*
1303         ])
1304         if test x"${samba_cv_relro}" = x"yes"
1305         then
1306                 RELRO_LDFLAGS="-Wl,-z,relro"
1307         fi
1308 fi
1309
1310 # Set defaults
1311 SYMSEXT="syms"
1312 AC_SUBST(SYMSEXT)
1313
1314 # Assume non-shared by default and override below
1315 BLDSHARED="false"
1316
1317 # these are the defaults, good for lots of systems
1318 HOST_OS="$host_os"
1319 LDSHFLAGS="-shared"
1320 MODULE_EXPORTS=""
1321 SONAMEFLAG="#"
1322 SHLD="\${CC} \${CFLAGS}"
1323 PICFLAG="${PIE_CFLAGS}"
1324 SHLIBEXT="so"
1325 DSO_EXPORTS=""
1326
1327 # this bit needs to be modified for each OS that supports share libs
1328 # You need to specify how to create a shared library and
1329   # how to compile C code to produce PIC object files
1330
1331   AC_MSG_CHECKING([ability to build shared libraries])
1332
1333   # and these are for particular systems
1334   case "$host_os" in
1335                 *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
1336                         case "$host_os" in
1337                                 *linux*) AC_DEFINE(LINUX,1,[Whether the host os is linux]) ;;
1338                                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx]) ;;
1339                         esac
1340                         BLDSHARED="true"
1341                         LDSHFLAGS="-shared -Wl,-Bsymbolic"
1342                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1343                                 LDSHFLAGS_Z_NODEFS="-Wl,--allow-shlib-undefined"
1344                         fi
1345                         DYNEXP="-Wl,--export-dynamic"
1346                         PICFLAG="-fPIC"
1347                         SONAMEFLAG="-Wl,-soname="
1348                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1349                         ;;
1350                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1351                         BLDSHARED="true"
1352                         if test "${GCC}" = "yes"; then
1353                                 PICFLAG="-fPIC"
1354                                 SONAMEFLAG="-Wl,-soname="
1355                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1356                                         DYNEXP="-Wl,-E"
1357                                 fi
1358                                 LDSHFLAGS="-shared"
1359                         else
1360                                 PICFLAG="-KPIC"
1361                                 LDSHFLAGS="-G"
1362                         fi
1363                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1364                                 SONAMEFLAG="-Wl,-soname="
1365                         else
1366                                 SONAMEFLAG="-Wl,-h,"
1367                         fi
1368                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1369                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1370                         ;;
1371                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1372                         BLDSHARED="true"
1373                         LDSHFLAGS="-G"
1374                         SONAMEFLAG="-Wl,-h,"
1375                         PICFLAG="-KPIC"   # Is this correct for SunOS
1376                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1377                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1378                         ;;
1379                 *netbsd* | *freebsd* | *dragonfly* )
1380                         BLDSHARED="true"
1381                         LDSHFLAGS="-shared"
1382                         DYNEXP="-Wl,--export-dynamic"
1383                         SONAMEFLAG="-Wl,-soname,"
1384                         PICFLAG="-fPIC -DPIC"
1385                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1386                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1387                         ;;
1388                 *openbsd*)  BLDSHARED="true"
1389                         LDSHFLAGS="-shared"
1390                         DYNEXP="-Wl,-Bdynamic"
1391                         SONAMEFLAG="-Wl,-soname,"
1392                         PICFLAG="-fPIC"
1393                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1394                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1395                         ;;
1396                 *irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
1397                         case "$host_os" in
1398                         *irix6*) AC_DEFINE(IRIX6,1,[Whether the host os is irix6])
1399                         ;;
1400                         esac
1401                         BLDSHARED="true"
1402                         LDSHFLAGS="-Wl,-set_version,sgi1.0 -shared"
1403                         SONAMEFLAG="-Wl,-soname,"
1404                         if test "${GCC}" = "yes"; then
1405                                 PICFLAG="-fPIC"
1406                         else
1407                                 PICFLAG="-KPIC"
1408                         fi
1409                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1410                         ;;
1411                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1412                         BLDSHARED="true"
1413                         # use expfull to export underscored symbols
1414                         # add rtl to remove /lib/crt0.o warning
1415                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1416                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1417                         PICFLAG="-O2"
1418                         # as AIX code is always position independent...
1419                         # .po will just create compile warnings, use po.o:
1420                         if test "${GCC}" != "yes"; then
1421                                 ## for funky AIX compiler using strncpy()
1422                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000 -qhalt=e"
1423                         fi
1424
1425                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1426                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1427                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1428                         ;;
1429                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1430                         # ia64: 64bit build using gcc with CFLAGS="-mpl64"
1431                         #       64bit build using HP's cc with CFLAGS="+DD64"
1432                         # hppa: 64bit build unsupported by gcc
1433                         #       64bit build using HP's cc with CFLAGS="+DA2.0w"
1434                         # HP-UX 11.00 ld needs PHSS_33034
1435                         BLDSHARED="true"
1436                         if test "${GCC}" = "yes"; then
1437                                 PICFLAG="-fPIC"
1438                                 LDSHFLAGS="-shared"
1439                         else
1440                                 PICFLAG="+z"
1441                                 LDSHFLAGS="-b"
1442                                 # "Uses depth-first symbol resolution"
1443                                 LDSHFLAGS="$LDSHFLAGS -Wl,-B,symbolic,-b"
1444                                 if test "$host_cpu" != "ia64"; then
1445                                         # "don't store literals in read-only memory" (?):
1446                                         PICFLAG="$PICFLAG +ESnolit"
1447                                 fi
1448                         fi
1449                         if test "$host_cpu" = "ia64"; then
1450                                 SHLIBEXT="so"
1451                                 # TODO: does the linker find the right 32/64 bit version of the libs? :
1452                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32:/usr/local/lib/hpux64:/usr/lib/hpux64"
1453                         else
1454                                 SHLIBEXT="sl"
1455                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1456                         fi
1457                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1458                                 SONAMEFLAG="-Wl,-soname="
1459                         else
1460                                 SONAMEFLAG="-Wl,+h,"
1461                         fi
1462                         # PIE/PIC flags at link time are required on HP-UX because
1463                         # linking requires a temporary source file, which is being
1464                         # compiled with the indicated flags - which need to contain
1465                         # PIC flags when we don't support PIE flags:
1466                         if test "$PIE_LDFLAGS" = "" ; then
1467                                 PIE_LDFLAGS=\${PICFLAG}
1468                         fi
1469                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1470                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1471                         ;;
1472                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1473                         BLDSHARED="true"
1474                         LDSHFLAGS="-shared"
1475                         SONAMEFLAG="-Wl,-soname,"
1476                         if test "${GCC}" = "yes"; then
1477                                 PICFLAG="-fPIC"
1478                         fi
1479                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1480                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1481                         for flags in "-expect_unresolved '*'" "-Wl,-expect_unresolved,'*'" ; do
1482                                 saved_ldflags="$LDFLAGS"
1483                                 AC_MSG_CHECKING([if $flags works])
1484                                 LDFLAGS="$flags $saved_ldflags"
1485                                 AC_TRY_LINK([],[],
1486                                         [AC_MSG_RESULT([yes])
1487                                         LDSHFLAGS_Z_NODEFS=$flags],
1488                                         AC_MSG_RESULT([no]))
1489                                 LDFLAGS="$saved_ldflags"
1490                                 test x"$LDSHFLAGS_Z_NODEFS" != x && break
1491                         done
1492                         ;;
1493                 *sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
1494                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1495                         ;;
1496                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1497                         BLDSHARED="true"
1498                         LDSHFLAGS="-shared"
1499                         SONAMEFLAG="-Wl,-soname,"
1500                         PICFLAG="-KPIC"
1501                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1502                         ;;
1503                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1504                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1505                         ;;
1506                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1507                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1508                         ;;
1509                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1510                         case "$host" in
1511                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1512                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1513                                         fi
1514                                         LDSHFLAGS="-G"
1515                                         DYNEXP="-Bexport"
1516                                 ;;
1517                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1518                         esac
1519                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1520                         ;;
1521
1522                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1523                         if [ test "$GCC" != yes ]; then
1524                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1525                         fi
1526                         LDSHFLAGS="-G"
1527                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1528                         ;;
1529                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1530                         BLDSHARED="false"
1531                         LDSHFLAGS=""
1532                         ;;
1533
1534                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1535                         BLDSHARED="true"
1536                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1537                         CFLAGS="$CFLAGS -fno-common"
1538                         SHLD="\${CC}"
1539                         SHLIBEXT="dylib"
1540                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1541                         SHLIBEXT="dylib"
1542                         # Since gcc doesn't fail on unrecognised options, the
1543                         # PIE test incorrectly succeeds. Darwin gcc does not
1544                         # actually support the PIE stuff.
1545                         PIE_LDFLAGS=
1546                         PIE_CFLAGS=
1547                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1548                         ;;
1549
1550                 *)
1551                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1552                         ;;
1553   esac
1554
1555 if test "$enable_shared" != "yes"; then
1556         BLDSHARED=false
1557 fi
1558
1559 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1560         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1561 fi
1562
1563 if test x"$BLDSHARED" = x"true" ; then
1564         LDFLAGS="$LDFLAGS -L./bin"
1565 fi
1566
1567 AC_MSG_RESULT($BLDSHARED)
1568
1569 if test x"$enable_developer" = x"yes" ; then
1570         default_as_needed=auto
1571 else
1572         default_as_needed=no
1573 fi
1574 AC_ARG_ENABLE(as-needed,
1575         AS_HELP_STRING([--enable-as-needed],
1576         [Turn on as-needed support if available (default=no)]),
1577         [enable_as_needed=$enableval],
1578         [enable_as_needed=$default_as_needed])
1579 if test "x$enable_as_needed" != xno; then
1580     saved_before_as_needed_ldflags="$LDFLAGS"
1581     for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do
1582         saved_ldflags="$LDFLAGS"
1583         AC_MSG_CHECKING([if $flags works])
1584         LDFLAGS="$flags $saved_ldflags"
1585         AC_TRY_LINK([],[],
1586                 [AC_MSG_RESULT([yes])
1587                 LD_AS_NEEDED_FLAG=$flags
1588                 ld_as_needed_flag_found=yes],
1589                 AC_MSG_RESULT([no]))
1590         LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags"
1591         test x"$ld_as_needed_flag_found" = xyes && break
1592     done
1593 fi
1594
1595 if test x$ld_as_needed_flag_found = xyes -a x$enable_as_needed = xauto ; then
1596 # check if ld has bug described in https://bugzilla.samba.org/show_bug.cgi?id=7209#c17
1597         AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG has explicit external libs bug])
1598 cat > conftest_shb.c <<END
1599 void b() {}
1600 END
1601 cat > conftest_sha.c <<END
1602 extern void b();
1603 void a() {
1604         b();
1605 }
1606 END
1607 cat > conftest.c <<END
1608 extern void a();
1609 int main() {
1610         a();
1611         return 0;
1612 }
1613 END
1614
1615         rm -fr conftest
1616         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_sha.o conftest_sha.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1617         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_shb.o conftest_shb.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1618         TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1619         AC_TRY_COMMAND([$TESTCMD -o libconftest_shb.$SHLIBEXT conftest_shb.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1620         AC_TRY_COMMAND([$TESTCMD -o libconftest_sha.$SHLIBEXT conftest_sha.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1621         AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
1622         if AC_TRY_COMMAND([eval "$LIB_PATH_VAR=. ./conftest 1>&AS_MESSAGE_LOG_FD 2>&1"])
1623         then
1624                 AC_MSG_RESULT([no])
1625         else
1626                 ld_as_needed_flag_found=no
1627                 LDFLAGS="$saved_before_as_needed_ldflags"
1628                 AC_MSG_RESULT([yes])
1629         fi
1630         rm conftest* libconftest*
1631 fi
1632
1633 # check if we have to disable LD_AS_NEEDED_FLAG:
1634 # On some systems for a veriety of reasons linking with
1635 # -Wl,--as-needed -lreadline -lncurses fails
1636 # we have to retest, if these combination is detected before.
1637 # Bugzilla #7209
1638
1639 if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then
1640         if test x$ld_as_needed_flag_found = xyes ; then
1641                 AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline])
1642                 # try if check no fails
1643                 save_LIBS=$LIBS
1644                 LIBS="$LIBS $TERMLIBS"
1645                 AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"])
1646                 LIBS="$save_LIBS"
1647         fi
1648 fi
1649
1650
1651
1652 # for historical reasons almost all linkers don't complain about unresolved
1653 # symbols in shared libs. Except for the internal samba modules we want to get
1654 # errors when we produce a shared lib with unresolved symbols. On some
1655 # platforms unresolved symbols might be intended, so we might have to add
1656 # platform specific exceptions here.
1657
1658 for flags in "-Wl,-z,defs" "-error_unresolved" "-Wl,-error_unresolved" ; do
1659         saved_ldflags="$LDFLAGS"
1660         AC_MSG_CHECKING([if $flags works])
1661         LDFLAGS="$flags $saved_ldflags"
1662         AC_TRY_LINK([],[],
1663         [AC_MSG_RESULT([yes])
1664         LDSHFLAGS_Z_DEFS=$flags
1665         ldshflags_z_defs_found=yes],
1666         AC_MSG_RESULT([no]))
1667         LDFLAGS=$saved_ldflags
1668         test x"$ldshflags_z_defs_found" = xyes && break
1669 done
1670
1671 AC_MSG_CHECKING([LDSHFLAGS_Z_DEFS])
1672 AC_MSG_RESULT([$LDSHFLAGS_Z_DEFS])
1673 AC_MSG_CHECKING([LDFLAGS])
1674 AC_MSG_RESULT([$LDFLAGS])
1675 AC_MSG_CHECKING([DYNEXP])
1676 AC_MSG_RESULT([$DYNEXP])
1677
1678 #######################################################
1679 # test whether building a shared library actually works
1680 if test $BLDSHARED = true; then
1681
1682 AC_MSG_CHECKING([SHLD])
1683 AC_MSG_RESULT([$SHLD])
1684 AC_MSG_CHECKING([LDSHFLAGS])
1685 AC_MSG_RESULT([$LDSHFLAGS])
1686
1687 AC_MSG_CHECKING([SHLIBEXT])
1688 AC_MSG_RESULT([$SHLIBEXT])
1689 AC_MSG_CHECKING([SONAMEFLAG])
1690 AC_MSG_RESULT([$SONAMEFLAG])
1691
1692 AC_MSG_CHECKING([PICFLAG])
1693 AC_MSG_RESULT([$PICFLAG])
1694
1695 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1696 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1697
1698 AC_CACHE_CHECK([whether building shared libraries actually works],
1699                [ac_cv_shlib_works],[
1700    # try building a trivial shared library
1701    ac_cv_shlib_works=no
1702    # The $SHLD and $LDSHFLAGS variables may contain references to other
1703    # variables so they need to be eval'ed.
1704    if AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.o ${srcdir-.}/../tests/shlib.c 1>&AS_MESSAGE_LOG_FD])
1705    then
1706      TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1707      TESTCMD="$TESTCMD -o \"shlib.$SHLIBEXT\" shlib.o"
1708      if AC_TRY_COMMAND([eval $TESTCMD 1>&AS_MESSAGE_LOG_FD 2>&1])
1709      then
1710        ac_cv_shlib_works=yes
1711      fi
1712    fi
1713    rm -f "shlib.$SHLIBEXT" shlib.o
1714
1715 ])
1716 if test $ac_cv_shlib_works = no; then
1717    BLDSHARED=false
1718 fi
1719 fi
1720
1721 if test x"$BLDSHARED" != x"true"; then
1722         LDSHFLAGS="shared-libraries-disabled"
1723         SONAMEFLAG="shared-libraries-disabled"
1724         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1725         SHLD="shared-libraries-disabled"
1726         PICFLAG="${PIE_CFLAGS}"
1727         SHLIBEXT="shared_libraries_disabled"
1728         smbtorture4_possible=no
1729 fi
1730
1731 AC_MSG_CHECKING([used PICFLAG])
1732 AC_MSG_RESULT([$PICFLAG])
1733
1734 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
1735
1736
1737
1738 ###########################################################
1739 #
1740 # Configuration of subsystems / libraries
1741 #
1742 ###########################################################
1743
1744 INSTALLLIBCMD_SH=:
1745 INSTALLLIBCMD_A=:
1746 UNINSTALLLIBCMD_SH=:
1747 UNINSTALLLIBCMD_A=:
1748
1749 if test $BLDSHARED = true; then
1750         INSTALLLIBCMD_SH="\$(INSTALLCMD)"
1751         UNINSTALLLIBCMD_SH="rm -f"
1752 fi
1753 if test $enable_static = yes; then
1754         INSTALLLIBCMD_A="\$(INSTALLCMD)"
1755         UNINSTALLLIBCMD_A="rm -f"
1756 fi
1757
1758 #################################################
1759 # --disable-shared-libs
1760 # can be used to disable the internal use of shared libs altogether
1761 # (this only has an effect when building shared libs is enabled)
1762 #
1763 USESHARED=false
1764 AC_SUBST(USESHARED)
1765
1766 AC_MSG_CHECKING(whether to use shared libraries internally)
1767 AC_ARG_ENABLE([shared-libs],
1768         AS_HELP_STRING([--enable-shared-libs],
1769                 [Use shared libraries internally (default=yes)]),
1770         [enable_shared_libs=$enableval],
1771         [enable_shared_libs=yes])
1772
1773 if test x"$enable_shared_libs" != x"no" ; then
1774         USESHARED=$BLDSHARED
1775 fi
1776
1777 AC_MSG_RESULT([$USESHARED])
1778
1779 if test x"$enable_shared_libs" = x"yes" -a x"$BLDSHARED" != x"true" ; then
1780         AC_MSG_WARN([--enable-shared-libs: no support for shared libraries])
1781 fi
1782
1783 #################################################
1784 # --with-static-libs=LIBS:
1785 #   link (internal) libs dynamically or statically?
1786 #
1787 # If a subsystem is built as a library then this controls whether they are
1788 # linked into Samba targets statically or dynamically:
1789 #
1790 # * If we build the shared library at all, we link dynamically by default.
1791 #
1792 # * We only link statically if we don't build shared or if the library
1793 #   appears in the --with-static-libs configure option.
1794 #
1795 # Example:
1796 #   --with-static-libs=libtalloc makes use of libtalloc.a instead
1797 #   of linking the dynamic variant with -ltalloc.
1798 #
1799 # NOTE: This option only affects libraries that we do not only build
1800 # but that samba also links against as libraries (as opposed to linking
1801 # the plain object files. - This has to be configured in Makefile.in.
1802 # So in particular it does not harm to give invalid or unknown names here.
1803 #
1804
1805 AC_ARG_WITH([static-libs],
1806         [AS_HELP_STRING([--with-static-libs=LIBS],
1807                 [Comma-separated list of names of (internal) libraries to link statically (instead of dynamically)])],
1808         [AS_IF([test $withval],
1809                 [for lib in `echo $withval | sed -e 's/,/ /g'` ; do
1810                         [lib=`echo $lib | tr '[a-z]' '[A-Z]'`]
1811                         eval LINK_$lib=STATIC
1812                 done], [])],
1813         [])
1814
1815 #
1816 # WORKAROUND:
1817 #   until we have organized other internal subsystems (as util, registry
1818 #   and smbconf) into shared libraries, we CAN NOT link libnetapi
1819 #   dynamically to samba programs.
1820 #
1821 LINK_LIBNETAPI=STATIC
1822
1823 LINK_LIBSMBCLIENT=STATIC
1824
1825 #
1826 #  The library versions are hardcoded here
1827 #  and filled into the LIBFOO_SOVER variable.
1828 #
1829 #  TODO: for talloc and tdb (at least), these should
1830 #  be extracted from their respective source directories
1831 #
1832 AC_ARG_ENABLE(external_libtalloc,
1833         [AS_HELP_STRING([--enable-external-libtalloc],
1834                 [Enable external talloc [default=auto]])],
1835         [ enable_external_libtalloc=$enableval ],
1836         [ enable_external_libtalloc=auto ])
1837
1838 if test "x$enable_external_libtalloc" != xno
1839 then
1840         PKG_CHECK_MODULES(LIBTALLOC, talloc >= 2.0.1,
1841                 [ enable_external_libtalloc=yes ],
1842                 [ if test x$enable_external_libtalloc = xyes; then
1843                         AC_MSG_ERROR([Unable to find libtalloc])
1844                   else
1845                         enable_external_libtalloc=no
1846                   fi
1847                 ])
1848 fi
1849
1850 if test "x$enable_external_libtalloc" = xno
1851 then
1852         m4_include(../lib/talloc/libtalloc.m4)
1853         LINK_LIBTALLOC=STATIC
1854         LIBTALLOCVERSION=`grep ^VERSION ${tallocdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1855         SMB_LIBRARY(talloc, 2, ${LIBTALLOCVERSION})
1856         LIBTALLOC_OBJ0=""
1857         for obj in ${TALLOC_OBJ}; do
1858                 LIBTALLOC_OBJ0="${LIBTALLOC_OBJ0} ${tallocdir}/${obj}"
1859         done
1860         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
1861         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TALLOC_CFLAGS}"
1862         AC_SUBST(LIBTALLOC_OBJ0)
1863
1864         TALLOCTORT="bin/talloctort"
1865         AC_SUBST(TALLOCTORT)
1866 fi
1867
1868
1869 AC_ARG_ENABLE(external_libtdb,
1870         [AS_HELP_STRING([--enable-external-libtdb],
1871                 [Enable external tdb [default=auto]])],
1872                 [ enable_external_libtdb=$enableval ],
1873                 [ enable_external_libtdb=auto ])
1874
1875 if test "x$enable_external_libtdb" != xno
1876 then
1877         PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.6,
1878                 [ enable_external_libtdb=yes ],
1879                 [
1880                 if test x$enable_external_libtdb = xyes; then
1881                         AC_MSG_ERROR([Unable to find libtdb])
1882                 else
1883                         enable_external_libtdb=no
1884                 fi
1885                 ])
1886 fi
1887
1888 AC_SUBST(LIBTDB_OBJ0)
1889 if test "x$enable_external_libtdb" = xno
1890 then
1891         m4_include(../lib/tdb/libtdb.m4)
1892         LINK_LIBTDB=STATIC
1893         LIBTDBVERSION=`grep ^VERSION ${tdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1894         SMB_LIBRARY(tdb, 1, ${LIBTDBVERSION})
1895         LIBTDB_OBJ0=""
1896         LIBTDB_LIBS="$LIBTDB_LIBS $TDB_DEPS"
1897         for obj in ${TDB_OBJ}; do
1898                 LIBTDB_OBJ0="${LIBTDB_OBJ0} ${tdbdir}/${obj}"
1899         done
1900         AC_SUBST(LIBTDB_OBJ0)
1901         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
1902         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TDB_CFLAGS}"
1903
1904         TDBBACKUP="bin/tdbbackup"
1905         AC_SUBST(TDBBACKUP)
1906         TDBDUMP="bin/tdbdump"
1907         AC_SUBST(TDBDUMP)
1908         TDBRESTORE="bin/tdbrestore"
1909         AC_SUBST(TDBRESTORE)
1910         TDBTOOL="bin/tdbtool"
1911         AC_SUBST(TDBTOOL)
1912         TDBTORTURE="bin/tdbtorture"
1913         AC_SUBST(TDBTORTURE)
1914 fi
1915
1916 AC_ARG_ENABLE(external_libntdb,
1917         [AS_HELP_STRING([--enable-external-libntdb],
1918                 [Enable external ntdb [default=auto]])],
1919                 [ enable_external_libntdb=$enableval ],
1920                 [ enable_external_libntdb=auto ])
1921
1922 if test "x$enable_external_libntdb" != xno
1923 then
1924         PKG_CHECK_MODULES(LIBNTDB, ntdb >= 1.0,
1925                 [ enable_external_libntdb=yes ],
1926                 [
1927                 if test x$enable_external_libntdb = xyes; then
1928                         AC_MSG_ERROR([Unable to find libntdb])
1929                 else
1930                         enable_external_libntdb=no
1931                 fi
1932                 ])
1933 fi
1934
1935 AC_SUBST(LIBNTDB_OBJ0)
1936 if test "x$enable_external_libntdb" = xno
1937 then
1938         m4_include(../lib/ntdb/libntdb.m4)
1939         LINK_LIBNTDB=STATIC
1940         LIBNTDBVERSION=`grep ^VERSION ${ntdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1941         SMB_LIBRARY(ntdb, 1, ${LIBNTDBVERSION})
1942         LIBNTDB_OBJ0=""
1943         LIBNTDB_LIBS="$LIBNTDB_LIBS $NTDB_DEPS"
1944         for obj in ${NTDB_OBJ}; do
1945                 LIBNTDB_OBJ0="${LIBNTDB_OBJ0} ${ntdbdir}/${obj}"
1946         done
1947         AC_SUBST(LIBNTDB_OBJ0)
1948         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${NTDB_CFLAGS}"
1949         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${NTDB_CFLAGS}"
1950
1951         NTDBBACKUP="bin/ntdbbackup"
1952         AC_SUBST(NTDBBACKUP)
1953         NTDBDUMP="bin/ntdbdump"
1954         AC_SUBST(NTDBDUMP)
1955         NTDBRESTORE="bin/ntdbrestore"
1956         AC_SUBST(NTDBRESTORE)
1957         NTDBTOOL="bin/ntdbtool"
1958         AC_SUBST(NTDBTOOL)
1959         NTDBTORTURE="bin/ntdbtorture"
1960         AC_SUBST(NTDBTORTURE)
1961 fi
1962
1963 SMB_LIBRARY(netapi, 0)
1964 SMB_LIBRARY(smbclient, 0)
1965 SMB_LIBRARY(smbsharemodes, 0)
1966
1967
1968 ################
1969
1970 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
1971 AC_TRY_RUN([#include <stdio.h>
1972 main() { long long x = 1000000; x *= x; return(((x/1000000) == 1000000)? 0: 1); }],
1973 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
1974 if test x"$samba_cv_have_longlong" = x"yes"; then
1975     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
1976     AC_CHECK_TYPE(intptr_t, unsigned long long)
1977 else
1978     AC_CHECK_TYPE(intptr_t, unsigned long)
1979 fi
1980
1981 #
1982 # Check if the compiler supports the LL prefix on long long integers.
1983 # AIX needs this.
1984
1985 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
1986     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
1987         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
1988 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
1989    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
1990 fi
1991
1992
1993 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
1994 AC_TRY_RUN([#include <time.h>
1995 main() { return((sizeof(time_t) == 8) ? 0 : 1); }],
1996 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
1997 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
1998     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
1999 fi
2000
2001 AC_CACHE_CHECK([for TIME_T_MAX],samba_cv_TIME_T_MAX,[
2002 AC_TRY_RUN([#include <time.h>
2003 main() {
2004         struct tm *tm;
2005         if (sizeof(time_t) == 8) {
2006                 time_t max_time = 0x7fffffffffffffffll;
2007                 tm = gmtime(&max_time);
2008                 /* This should fail with 32-bit tm_year. */
2009                 if (tm == NULL) {
2010                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
2011                         max_time = 67768036191676799ll;
2012                         tm = gmtime(&max_time);
2013                         if (tm) {
2014                                 return(0);
2015                         }
2016                 }
2017         }
2018         return(1);
2019 }],
2020 samba_cv_TIME_T_MAX=yes,samba_cv_TIME_T_MAX=no,samba_cv_TIME_T_MAX=cross)])
2021 if test x"$samba_cv_TIME_T_MAX" = x"yes"; then
2022     AC_DEFINE(TIME_T_MAX,67768036191676799ll,[The maximum value of the 'time_t' type])
2023 fi
2024
2025
2026 #
2027 # As a gating factor for large file support, in order to
2028 # use >4GB files we must have the following minimal support
2029 # available: a 64 bit off_t
2030 # If we don't have all of these then fail the build
2031 #
2032
2033 AC_MSG_CHECKING([if large file support can be enabled])
2034 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
2035 AC_TRY_RUN([#include <stdio.h>
2036 #include <sys/stat.h>
2037 main() { return((sizeof(off_t) == 8) ? 0 : 1); }],
2038 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
2039 if test x"$samba_cv_SIZEOF_OFF_T" = x"no"; then
2040     AC_MSG_ERROR(["large file support support not available: sizeof(off_t) != 8"])
2041 fi
2042
2043 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
2044 AC_TRY_RUN([
2045 #if defined(HAVE_UNISTD_H)
2046 #include <unistd.h>
2047 #endif
2048 #include <stdio.h>
2049 #include <sys/stat.h>
2050 main() { return((sizeof(ino_t) == 8) ? 0 : 1); }],
2051 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
2052 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
2053     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
2054 fi
2055
2056 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
2057 AC_TRY_RUN([
2058 #if defined(HAVE_UNISTD_H)
2059 #include <unistd.h>
2060 #endif
2061 #include <stdio.h>
2062 #include <sys/stat.h>
2063 main() { return((sizeof(dev_t) == 8) ? 0 : 1); }],
2064 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
2065 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
2066     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
2067 fi
2068
2069 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
2070 AC_TRY_RUN([
2071 #if defined(HAVE_UNISTD_H)
2072 #include <unistd.h>
2073 #endif
2074 #include <sys/types.h>
2075 main() { dev_t dev; int i = major(dev); return 0; }],
2076 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
2077 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
2078     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
2079 fi
2080
2081 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
2082 AC_TRY_RUN([
2083 #if defined(HAVE_UNISTD_H)
2084 #include <unistd.h>
2085 #endif
2086 #include <sys/types.h>
2087 main() { dev_t dev; int i = minor(dev); return 0; }],
2088 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
2089 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
2090     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
2091 fi
2092
2093 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
2094 AC_TRY_RUN([
2095 #if defined(HAVE_UNISTD_H)
2096 #include <unistd.h>
2097 #endif
2098 #include <sys/types.h>
2099 main() { dev_t dev = makedev(1,2); return 0; }],
2100 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
2101 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
2102     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
2103 fi
2104
2105 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
2106 AC_TRY_COMPILE([#include <sys/types.h>
2107 #include <dirent.h>
2108 void seekdir(DIR *d, long loc) { return; }],[return 0;],
2109 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
2110 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
2111     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
2112 fi
2113
2114 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
2115 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
2116 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
2117 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
2118     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
2119 fi
2120
2121 if test x"$libreplace_cv_HAVE_CLOCK_GETTIME_IN_LIBRT" = xyes ; then
2122         LIBS="$LIBS -lrt"
2123 fi
2124
2125 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2126 AC_TRY_RUN([#include <sys/types.h>
2127 #include <dirent.h>
2128 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2129 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2130 di->d_name[0] == 0) return(0); return(1);} ],
2131 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2132 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2133     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2134 fi
2135
2136 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2137 AC_TRY_COMPILE([#include <sys/types.h>
2138 #include <utime.h>],
2139 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; return(utime("foo.c",&tbuf));],
2140 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2141 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2142     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2143 fi
2144
2145 ##############
2146 # Check utmp details, but only if our OS offers utmp.h
2147 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2148 dnl  utmp and utmpx come in many flavours
2149 dnl  We need to check for many of them
2150 dnl  But we don't need to do each and every one, because our code uses
2151 dnl  mostly just the utmp (not utmpx) fields.
2152
2153 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx getutxent)
2154
2155 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2156 AC_TRY_COMPILE([#include <sys/types.h>
2157 #include <utmp.h>],
2158 [struct utmp ut;  ut.ut_name[0] = 'a';],
2159 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2160 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2161     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2162 fi
2163
2164 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2165 AC_TRY_COMPILE([#include <sys/types.h>
2166 #include <utmp.h>],
2167 [struct utmp ut;  ut.ut_user[0] = 'a';],
2168 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2169 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2170     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2171 fi
2172
2173 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2174 AC_TRY_COMPILE([#include <sys/types.h>
2175 #include <utmp.h>],
2176 [struct utmp ut;  ut.ut_id[0] = 'a';],
2177 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2178 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2179     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2180 fi
2181
2182 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2183 AC_TRY_COMPILE([#include <sys/types.h>
2184 #include <utmp.h>],
2185 [struct utmp ut;  ut.ut_host[0] = 'a';],
2186 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2187 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2188     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2189 fi
2190
2191 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2192 AC_TRY_COMPILE([#include <sys/types.h>
2193 #include <utmp.h>],
2194 [struct utmp ut;  time_t t; ut.ut_time = t;],
2195 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2196 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2197     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2198 fi
2199
2200 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2201 AC_TRY_COMPILE([#include <sys/types.h>
2202 #include <utmp.h>],
2203 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2204 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2205 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2206     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2207 fi
2208
2209 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2210 AC_TRY_COMPILE([#include <sys/types.h>
2211 #include <utmp.h>],
2212 [struct utmp ut;  ut.ut_type = 0;],
2213 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2214 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2215     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2216 fi
2217
2218 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2219 AC_TRY_COMPILE([#include <sys/types.h>
2220 #include <utmp.h>],
2221 [struct utmp ut;  ut.ut_pid = 0;],
2222 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2223 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2224     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2225 fi
2226
2227 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2228 AC_TRY_COMPILE([#include <sys/types.h>
2229 #include <utmp.h>],
2230 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2231 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2232 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2233     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2234 fi
2235
2236 dnl Look for the IPv6 varient by preference. Many systems have both.
2237 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2238 AC_TRY_COMPILE([#include <sys/types.h>
2239 #include <utmp.h>],
2240 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2241 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2242 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2243     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2244 fi
2245
2246 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2247 AC_TRY_COMPILE([#include <sys/types.h>
2248 #include <utmp.h>],
2249 [struct utmp ut;  ut.ut_addr = 0;],
2250 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2251 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2252     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2253 fi
2254
2255 if test x$ac_cv_func_pututline = xyes ; then
2256   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2257   AC_TRY_COMPILE([#include <sys/types.h>
2258 #include <utmp.h>],
2259   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2260   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2261   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2262       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2263   fi
2264 fi
2265
2266 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2267 AC_TRY_COMPILE([#include <sys/types.h>
2268 #include <utmpx.h>],
2269 [struct utmpx ux;  ux.ut_syslen = 0;],
2270 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2271 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2272     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2273 fi
2274
2275 fi
2276 # end utmp details
2277
2278 AC_CACHE_CHECK([for linux fallocate],samba_cv_HAVE_LINUX_FALLOCATE,[
2279 AC_TRY_COMPILE([
2280 #if defined(HAVE_UNISTD_H)
2281 #include <unistd.h>
2282 #endif
2283 #include <sys/types.h>
2284 #define _GNU_SOURCE
2285 #include <fcntl.h>
2286 #if defined(HAVE_LINUX_FALLOC_H)
2287 #include <linux/falloc.h>
2288 #endif],
2289 [int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2290 samba_cv_HAVE_LINUX_FALLOCATE=yes,samba_cv_HAVE_LINUX_FALLOCATE=no)])
2291 if test x"$samba_cv_HAVE_LINUX_FALLOCATE" = x"yes" && test x"$ac_cv_func_fallocate" = x"yes"; then
2292     AC_DEFINE(HAVE_LINUX_FALLOCATE,1,[Whether the Linux 'fallocate' function is available])
2293 fi
2294
2295 AC_CACHE_CHECK([for getcwd takes NULL],samba_cv_GETCWD_TAKES_NULL,[
2296 AC_TRY_RUN([
2297 #if defined(HAVE_UNISTD_H)
2298 #include <unistd.h>
2299 #endif
2300 main() { char *s = getcwd(NULL,0); if (s) return(0); return(1); }],
2301 samba_cv_GETCWD_TAKES_NULL=yes,samba_cv_GETCWD_TAKES_NULL=no,samba_cv_GETCWD_TAKES_NULL=cross)])
2302 if test x"$samba_cv_GETCWD_TAKES_NULL" = x"yes"; then
2303     AC_DEFINE(GETCWD_TAKES_NULL,1,[Whether the getcwd function takes NULL as an argument])
2304 fi
2305
2306 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2307 AC_ARG_WITH(libiconv,
2308 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2309 [
2310   if test "$withval" = "no" ; then
2311     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2312   else
2313      if test "$withval" != "yes" ; then
2314         ICONV_PATH_SPEC=yes
2315         ICONV_LOOK_DIRS="$withval"
2316      fi
2317   fi
2318 ])
2319
2320 for i in $ICONV_LOOK_DIRS ; do
2321
2322     save_LIBS="$LIBS"
2323     save_LDFLAGS="$LDFLAGS"
2324     save_CPPFLAGS="$CPPFLAGS"
2325
2326     iconv_current_LIBS=""
2327     iconv_current_LDFLAGS=""
2328     iconv_current_CPPFLAGS=""
2329
2330     ICONV_FOUND="no"
2331     unset libext
2332
2333     #  This is here to handle -withval stuff for --with-libiconv
2334     #  Perhaps we should always add a -L
2335     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2336
2337     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2338     # installation paths. This gets a little tricky since we might have iconv
2339     # in both libiconv and in libc. In this case the jm_ICONV test will always
2340     # succeed when the header is found. To counter this, make sure the
2341     # library directory is there and check the ABI directory first (which
2342     # should be harmless on other systems, but causes tons of linker warnings on
2343     # 64bit Ubuntu systems).
2344     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2345     # installed, I've decided to fix the linker warnings.
2346     # -- Kai
2347     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2348     for l in "lib" "lib32" "lib/hpux32"; do
2349         if test -d "$i/$l" ; then
2350                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2351                 LIBS=
2352                 export LDFLAGS LIBS CPPFLAGS
2353                 # Try to find iconv(3)
2354                 jm_ICONV($i/$l)
2355                 if test x"$ICONV_FOUND" = "xyes" ; then
2356                     libext="$l"
2357                     break
2358                 fi
2359         fi
2360     done
2361
2362     if test x"$ICONV_FOUND" = "xyes" ; then
2363         iconv_current_LDFLAGS="-L$i/$libext"
2364         iconv_current_CPPFLAGS="-I$i/include"
2365
2366         if test x"$jm_cv_lib_iconv" != x; then
2367             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2368         else
2369             # We found iconv in libc.
2370             iconv_current_LIBS=""
2371         fi
2372
2373     fi
2374
2375     if test x"$ICONV_FOUND" = "xyes" ; then
2376
2377         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2378         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2379         LIBS="$save_LIBS $iconv_current_LIBS"
2380         export LDFLAGS LIBS CPPFLAGS
2381
2382         default_dos_charset=no
2383         default_unix_charset=no
2384
2385         # check for default dos charset name
2386         for j in CP850 IBM850 ; do
2387             rjs_CHARSET($j)
2388             default_dos_charset="$ICONV_CHARSET"
2389             if test x"$default_dos_charset" = x"$j"; then
2390                 break
2391             fi
2392         done
2393
2394         # check for default unix charset name
2395         for j in UTF-8 UTF8 ; do
2396             rjs_CHARSET($j)
2397             default_unix_charset="$ICONV_CHARSET"
2398             if test x"$default_unix_charset" = x"$j"; then
2399                 break
2400             fi
2401         done
2402
2403         if test "$default_dos_charset" != "no" -a \
2404                 "$default_dos_charset" != "cross" -a \
2405                 "$default_unix_charset" != "no" -a \
2406                 "$default_unix_charset" != "cross"
2407         then
2408                 samba_cv_HAVE_NATIVE_ICONV=yes
2409         else
2410             if test "$default_dos_charset" = "cross" -o \
2411                      "$default_unix_charset" = "cross"
2412             then
2413                     samba_cv_HAVE_NATIVE_ICONV=cross
2414             else
2415                     samba_cv_HAVE_NATIVE_ICONV=no
2416             fi
2417         fi
2418
2419         # At this point, we have a libiconv candidate. We know that
2420         # we have the right headers and libraries, but we don't know
2421         # whether it does the conversions we want. We can't test this
2422         # because we are cross-compiling. This is not necessarily a big
2423         # deal, since we can't guarantee that the results we get now will
2424         # match the results we get at runtime anyway.
2425         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2426             default_dos_charset="CP850"
2427             default_unix_charset="UTF-8"
2428             samba_cv_HAVE_NATIVE_ICONV=yes
2429             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2430             AC_MSG_WARN([$default_dos_charset and $default_unix_charset to UCS-16LE])
2431         fi
2432
2433         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2434
2435             CPPFLAGS=$save_CPPFLAGS
2436             LDFLAGS=$save_LDFLAGS
2437             LIBS=$save_LIBS
2438
2439             if test x"$iconv_current_LIBS" != x; then
2440                 LIBS="$LIBS $iconv_current_LIBS"
2441             fi
2442
2443             # Add the flags we need to CPPFLAGS and LDFLAGS
2444             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2445             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2446
2447             # Turn the #defines into string literals
2448             default_dos_charset="\"$default_dos_charset\""
2449             default_unix_charset="\"$default_unix_charset\""
2450
2451             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2452             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2453             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2454
2455            break
2456         fi
2457
2458     # We didn't find a working iconv, so keep going
2459     fi
2460
2461     #  We only need to clean these up here for the next pass through the loop
2462     CPPFLAGS=$save_CPPFLAGS
2463     LDFLAGS=$save_LDFLAGS
2464     LIBS=$save_LIBS
2465     export LDFLAGS LIBS CPPFLAGS
2466 done
2467 unset libext
2468
2469
2470 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2471     AC_MSG_WARN([Sufficient support for iconv function was not found.
2472     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2473    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2474    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2475 fi
2476
2477
2478 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2479 AC_TRY_RUN([
2480 #include <sys/types.h>
2481 #include <fcntl.h>
2482 #ifndef F_GETLEASE
2483 #define F_GETLEASE      1025
2484 #endif
2485 main() {
2486        int fd = open("/dev/null", O_RDONLY);
2487        return fcntl(fd, F_GETLEASE, 0) == -1;
2488 }
2489 ],
2490 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2491 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2492     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2493 fi
2494
2495 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2496 AC_TRY_RUN([
2497 #include <sys/types.h>
2498 #include <fcntl.h>
2499 #include <signal.h>
2500 #ifndef F_NOTIFY
2501 #define F_NOTIFY 1026
2502 #endif
2503 main() {
2504         return(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2505 }
2506 ],
2507 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2508 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2509     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2510 fi
2511
2512 AC_CHECK_HEADER(sys/inotify.h)
2513
2514 if test x"ac_cv_header_sys_inotify_h" = x"yes"; then
2515     AC_DEFINE(HAVE_INOTIFY,1,[For inotify support])
2516 fi
2517
2518 #################################################
2519 # Check if FAM notifications are available. For FAM info, see
2520 #       http://oss.sgi.com/projects/fam/
2521 #       http://savannah.nongnu.org/projects/fam/
2522 AC_ARG_ENABLE(fam,
2523 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2524
2525 if test x$enable_fam != xno; then
2526     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2527     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2528         # On IRIX, libfam requires libC, but other FAM implementations
2529         # might not need it.
2530         AC_CHECK_LIB(fam, FAMOpen2,
2531             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam";
2532             AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2533             [samba_cv_HAVE_LIBFAM=no])
2534
2535         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2536             samba_fam_xtra=-lC
2537             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2538                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC";
2539                 AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2540                 [samba_cv_HAVE_LIBFAM=no])
2541             unset samba_fam_xtra
2542         fi
2543     fi
2544     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2545         default_shared_modules="$default_shared_modules vfs_notify_fam"
2546         AC_TRY_COMPILE([#include <fam.h>],
2547                     [enum FAMCodes code = FAMChanged;],
2548                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2549                         [Whether fam.h contains a typedef for enum FAMCodes]),
2550                     [])
2551     fi
2552
2553     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2554         AC_CHECK_LIB(fam, FAMNoExists,
2555             [AC_DEFINE(HAVE_FAMNOEXISTS, 1, Define to 1 if there is support for FAMNoExists)])
2556     fi
2557
2558     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2559         AC_MSG_ERROR(FAM support requested but FAM library not available )
2560     fi
2561 fi
2562
2563 AC_SUBST(SMB_FAM_LIBS)
2564
2565 #################################################
2566 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2567
2568
2569 with_dmapi_support=auto
2570 AC_MSG_CHECKING(whether to use DMAPI support)
2571 AC_ARG_WITH(dmapi,
2572 [AS_HELP_STRING([--with-dmapi], [Include DMAPI/XDSM support (default=auto)])],
2573 [ case "$withval" in
2574   yes|no)
2575     with_dmapi_support=$withval
2576     ;;
2577   esac ]
2578 )
2579 AC_MSG_RESULT([$with_dmapi_support])
2580
2581 if test x"$with_dmapi_support" != xno ; then
2582         SMB_CHECK_DMAPI([], [
2583                 AC_MSG_NOTICE(DMAPI support not present)
2584                 if test x"$with_dmapi_support" = xyes ; then
2585                         AC_MSG_ERROR(no DMAPI support found but requested!)
2586                 fi
2587                 ]
2588         )
2589 fi
2590
2591 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2592 # Theoretically it should work with AIX JFS2 too but this needs testing
2593 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2594     default_shared_modules="$default_shared_modules vfs_tsmsm"
2595 fi
2596
2597 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2598 AC_TRY_RUN([
2599 #include <sys/types.h>
2600 #include <fcntl.h>
2601 #include <signal.h>
2602 #include <sys/file.h>
2603 #ifndef LOCK_MAND
2604 #define LOCK_MAND       32
2605 #define LOCK_READ       64
2606 #endif
2607 main() {
2608         return(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2609 }
2610 ],
2611 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2612 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2613     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2614 fi
2615
2616
2617 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2618 AC_TRY_COMPILE([#include <sys/types.h>
2619 #include <fcntl.h>],
2620 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2621 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2622 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2623     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2624 fi
2625
2626 #################################################
2627 # Check for POSIX capability support
2628
2629 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2630     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2631     [], [])
2632
2633 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2634
2635     ac_save_LIBS=$LIBS
2636     AC_LIBTESTFUNC(cap, cap_get_proc)
2637
2638     AC_CACHE_CHECK([for POSIX capabilities],
2639             samba_cv_HAVE_POSIX_CAPABILITIES,
2640             [
2641                 AC_TRY_RUN([
2642 #include <sys/types.h>
2643 #include <sys/capability.h>
2644 main() {
2645  cap_t cap;
2646  cap_value_t vals[1];
2647  if (!(cap = cap_get_proc()))
2648    return(1);
2649  vals[0] = CAP_CHOWN;
2650  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2651  cap_set_proc(cap);
2652  return(0);
2653 }],
2654                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2655                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2656                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2657             ])
2658
2659 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2660     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2661             [Whether POSIX capabilities are available])
2662 else
2663     LIBS=$ac_save_LIBS
2664 fi
2665
2666 fi
2667
2668 #
2669 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2670 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2671 #
2672
2673 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2674 AC_TRY_COMPILE([#include <sys/types.h>
2675 #if defined(HAVE_RPC_RPC_H)
2676 #include <rpc/rpc.h>
2677 #endif],
2678 [int16 testvar;],
2679 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2680 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2681     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2682 fi
2683
2684 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2685 AC_TRY_COMPILE([#include <sys/types.h>
2686 #if defined(HAVE_RPC_RPC_H)
2687 #include <rpc/rpc.h>
2688 #endif],
2689 [uint16 testvar;],
2690 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2691 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2692     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2693 fi
2694
2695 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2696 AC_TRY_COMPILE([#include <sys/types.h>
2697 #if defined(HAVE_RPC_RPC_H)
2698 #include <rpc/rpc.h>
2699 #endif],
2700 [int32 testvar;],
2701 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2702 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2703     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2704 fi
2705
2706 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2707 AC_TRY_COMPILE([#include <sys/types.h>
2708 #if defined(HAVE_RPC_RPC_H)
2709 #include <rpc/rpc.h>
2710 #endif],
2711 [uint32 testvar;],
2712 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2713 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2714     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2715 fi
2716
2717 dnl
2718 dnl Some systems (SCO) have a problem including
2719 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2720 dnl as a #define in <prot.h> and as part of an enum
2721 dnl in <rpc/rpc.h>.
2722 dnl
2723
2724 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2725 AC_TRY_COMPILE([#include <sys/types.h>
2726 #ifdef HAVE_SYS_SECURITY_H
2727 #include <sys/security.h>
2728 #include <prot.h>
2729 #endif  /* HAVE_SYS_SECURITY_H */
2730 #if defined(HAVE_RPC_RPC_H)
2731 #include <rpc/rpc.h>
2732 #endif],
2733 [int testvar;],
2734 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2735 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2736     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2737 fi
2738
2739 AC_MSG_CHECKING([for test routines])
2740 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
2741            AC_MSG_RESULT(yes),
2742            AC_MSG_ERROR([cant find test code. Aborting config]),
2743            AC_MSG_WARN([cannot run when cross-compiling]))
2744
2745 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2746 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
2747            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2748 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2749     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2750 fi
2751
2752 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2753 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
2754            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2755 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2756     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2757 fi
2758
2759 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2760 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2761 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2762 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2763 AC_CHECK_FUNCS(getpagesize)
2764
2765 ################################################
2766 # look for a method of setting the effective uid
2767 seteuid=no;
2768
2769 case "$host_os" in
2770 *linux*)
2771 if test $seteuid = no; then
2772 AC_CACHE_CHECK([for Linux thread-specific credentials],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2773 AC_TRY_RUN([
2774 #define AUTOCONF_TEST 1
2775 #define USE_LINUX_THREAD_CREDENTIALS 1
2776 #include "${srcdir-.}/../lib/util/setid.c"
2777 #include "${srcdir-.}/lib/util_sec.c"],
2778            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2779 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2780     seteuid=yes;AC_DEFINE(USE_LINUX_THREAD_CREDENTIALS,1,[Whether we can use Linux thread-specific credentials])
2781 fi
2782 fi
2783 ;;
2784 esac
2785
2786 if test $seteuid = no; then
2787 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2788 AC_TRY_RUN([
2789 #define AUTOCONF_TEST 1
2790 #define USE_SETREUID 1
2791 #include "confdefs.h"
2792 #include "${srcdir-.}/../lib/util/setid.c"
2793 #include "${srcdir-.}/lib/util_sec.c"],
2794            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2795 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2796     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2797 fi
2798 fi
2799
2800 # we check for setresuid second as it conflicts with AIO on Linux. 
2801 # see http://samba.org/~tridge/junkcode/aio_uid.c
2802 if test $seteuid = no; then
2803 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2804 AC_TRY_RUN([
2805 #define AUTOCONF_TEST 1
2806 #define USE_SETRESUID 1
2807 #include "confdefs.h"
2808 #include "${srcdir-.}/../lib/util/setid.c"
2809 #include "${srcdir-.}/lib/util_sec.c"],
2810            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2811 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2812     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2813 fi
2814 fi
2815
2816 if test $seteuid = no; then
2817 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2818 AC_TRY_RUN([
2819 #define AUTOCONF_TEST 1
2820 #define USE_SETEUID 1
2821 #include "confdefs.h"
2822 #include "${srcdir-.}/../lib/util/setid.c"
2823 #include "${srcdir-.}/lib/util_sec.c"],
2824            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2825 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2826     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2827 fi
2828 fi
2829
2830 if test $seteuid = no; then
2831 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2832 AC_TRY_RUN([
2833 #define AUTOCONF_TEST 1
2834 #define USE_SETUIDX 1
2835 #include "confdefs.h"
2836 #include "${srcdir-.}/../lib/util/setid.c"
2837 #include "${srcdir-.}/lib/util_sec.c"],
2838            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2839 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2840     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2841 fi
2842 fi
2843
2844 AC_CACHE_CHECK([for the Darwin initgroups system call],
2845         samba_cv_DARWIN_INITGROUPS,
2846         AC_TRY_LINK([
2847 #include <sys/syscall.h>
2848 #include <unistd.h>
2849         ],
2850         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2851         samba_cv_DARWIN_INITGROUPS=yes,
2852         samba_cv_DARWIN_INITGROUPS=no)
2853 )
2854
2855 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2856     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2857         [Whether to use the Darwin-specific initgroups system call])
2858 fi
2859
2860 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2861 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
2862            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2863 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2864     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2865 fi
2866
2867 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
2868 AC_CACHE_CHECK([for broken posix_fallocate],samba_cv_HAVE_BROKEN_POSIX_FALLOCATE,[
2869 AC_TRY_COMPILE([
2870   #define _XOPEN_SOURCE 600
2871   #include <stdlib.h>
2872   #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
2873   #error probably broken posix_fallocate
2874   #endif
2875 ], [
2876 ], 
2877 samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=no,samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=yes)])
2878 if test x"$samba_cv_HAVE_BROKEN_POSIX_FALLOCATE" = xyes; then
2879         AC_DEFINE(HAVE_BROKEN_POSIX_FALLOCATE, 1, Whether we have a broken posix_fallocate)
2880 fi
2881
2882
2883 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2884 AC_TRY_COMPILE([#include <sys/types.h>
2885 #include <sys/stat.h>
2886 #include <unistd.h>],
2887 [struct stat st;  st.st_blocks = 0;],
2888 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2889 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2890     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2891 fi
2892
2893 AC_CACHE_CHECK([for 32 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_4,[
2894 AC_TRY_RUN([
2895 #if defined(HAVE_UNISTD_H)
2896 #include <unistd.h>
2897 #endif
2898 #include <stdio.h>
2899 #include <sys/types.h>
2900 #include <sys/stat.h>
2901 main() { return((sizeof(blkcnt_t) == 4) ? 0 : 1); }],
2902 samba_cv_SIZEOF_BLKCNT_T_4=yes,samba_cv_SIZEOF_BLKCNT_T_4=no,samba_cv_SIZEOF_BLKCNT_T_4=cross)])
2903 if test x"$samba_cv_SIZEOF_BLKCNT_T_4" = x"yes"; then
2904     AC_DEFINE(SIZEOF_BLKCNT_T_4,1,[The size of the 'blkcnt_t' type])
2905 fi
2906
2907 AC_CACHE_CHECK([for 64 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_8,[
2908 AC_TRY_RUN([
2909 #if defined(HAVE_UNISTD_H)
2910 #include <unistd.h>
2911 #endif
2912 #include <stdio.h>
2913 #include <sys/types.h>
2914 #include <sys/stat.h>
2915 main() { return((sizeof(blkcnt_t) == 8) ? 0 : 1); }],
2916 samba_cv_SIZEOF_BLKCNT_T_8=yes,samba_cv_SIZEOF_BLKCNT_T_8=no,samba_cv_SIZEOF_BLKCNT_T_8=cross)])
2917 if test x"$samba_cv_SIZEOF_BLKCNT_T_8" = x"yes"; then
2918     AC_DEFINE(SIZEOF_BLKCNT_T_8,1,[The size of the 'blkcnt_t' type])
2919 fi
2920
2921 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2922 AC_TRY_COMPILE([#include <sys/types.h>
2923 #include <sys/stat.h>
2924 #include <unistd.h>],
2925 [struct stat st;  st.st_blksize = 0;],
2926 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2927 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2928     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2929 fi
2930
2931 AC_CACHE_CHECK([for st_flags in struct stat],
2932         samba_cv_HAVE_STAT_ST_FLAGS,
2933         [
2934             AC_TRY_COMPILE([#include <sys/types.h>
2935 #include <sys/stat.h>
2936 #include <unistd.h>],
2937             [struct stat st;  st.st_flags = 0;],
2938             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2939             samba_cv_HAVE_STAT_ST_FLAGS=no,
2940             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2941         ])
2942
2943 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
2944     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
2945                 [Whether the stat struct has a st_flags member])
2946 fi
2947
2948 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
2949 AC_TRY_COMPILE([
2950 #include <sys/types.h>
2951 #include <sys/acl.h>
2952 #if defined(HAVE_RPCSVC_NIS_H)
2953 #include <rpcsvc/nis.h>
2954 #endif],
2955 [int i;],
2956 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
2957 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
2958         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
2959 fi
2960
2961 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
2962 AC_TRY_RUN([
2963 #include <stdio.h>
2964 #include <limits.h>
2965 #include <signal.h>
2966
2967 void exit_on_core(int ignored) {
2968         exit(1);
2969 }
2970
2971 main() {
2972         char *newpath;
2973         signal(SIGSEGV, exit_on_core);
2974         newpath = realpath("/tmp", NULL);
2975         return((newpath != NULL) ? 0 : 1);
2976 }
2977 ],
2978 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
2979 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
2980     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
2981 fi
2982
2983 #################################################
2984 # check for AFS clear-text auth support
2985 samba_cv_WITH_AFS=no
2986 AC_MSG_CHECKING(whether to use AFS clear-text auth)
2987 AC_ARG_WITH(afs,
2988 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
2989 [ case "$withval" in
2990   yes|auto)
2991     AC_MSG_RESULT($withval)
2992     samba_cv_WITH_AFS=$withval
2993     ;;
2994   *)
2995     AC_MSG_RESULT(no)
2996     ;;
2997   esac ],
2998   AC_MSG_RESULT(no)
2999 )
3000
3001 ####################################################
3002 # check for Linux-specific AFS fake-kaserver support
3003 samba_cv_WITH_FAKE_KASERVER=no
3004 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
3005 AC_ARG_WITH(fake-kaserver,
3006 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
3007 [ case "$withval" in
3008   yes|auto)
3009     AC_MSG_RESULT($withval)
3010     samba_cv_WITH_FAKE_KASERVER=$withval
3011     ;;
3012   *)
3013     AC_MSG_RESULT(no)
3014     ;;
3015   esac ],
3016   AC_MSG_RESULT(no)
3017 )
3018
3019 #################################################
3020 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
3021 if test x"$samba_cv_WITH_AFS" != x"no" ||
3022    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
3023
3024     # see if this box has the OpenSSL DES libraries
3025     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
3026
3027     # see if this box has the afs-headers in /usr/include/afs
3028     AC_MSG_CHECKING(for /usr/include/afs)
3029     if test -d /usr/include/afs; then
3030           AC_MSG_RESULT(yes)
3031     else
3032       AC_MSG_RESULT(no)
3033     fi
3034
3035     # check for afs.h
3036     have_afs_headers=no
3037     AC_CHECK_HEADERS(afs.h afs/afs.h)
3038     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
3039         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
3040            test x"$samba_cv_WITH_AFS" = x"auto"; then
3041                 AC_MSG_WARN([AFS cannot be supported without afs.h])
3042         else
3043                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
3044         fi
3045     else
3046         have_afs_headers=yes
3047     fi
3048 fi
3049
3050 FAKE_KASERVER_OBJ=""
3051 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
3052     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
3053     FAKE_KASERVER_OBJ="utils/net_afs.o"
3054 fi
3055 AC_SUBST(FAKE_KASERVER_OBJ)
3056
3057 #################################################
3058 # check whether to compile AFS/NT ACL mapping module
3059 samba_cv_WITH_VFS_AFSACL=no
3060 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
3061 AC_ARG_WITH(vfs-afsacl,
3062 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
3063 [ case "$withval" in
3064   yes|auto)
3065     AC_MSG_RESULT($withval)
3066     samba_cv_WITH_VFS_AFSACL=yes
3067     ;;
3068   *)
3069     AC_MSG_RESULT(no)
3070     ;;
3071   esac ],
3072   AC_MSG_RESULT(no)
3073 )
3074
3075 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
3076    default_shared_modules="$default_shared_modules vfs_afsacl"
3077 fi
3078         
3079 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
3080     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
3081 fi
3082
3083 #################################################
3084 # check for the DFS clear-text auth system
3085 AC_MSG_CHECKING(whether to use DFS clear-text auth)
3086 AC_ARG_WITH(dfs,
3087 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
3088 [ case "$withval" in
3089   yes)
3090     AC_MSG_RESULT(yes)
3091     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
3092     ;;
3093   *)
3094     AC_MSG_RESULT(no)
3095     ;;
3096   esac ],
3097   AC_MSG_RESULT(no)
3098 )
3099
3100 ########################################################
3101 # Compile with LDAP support?
3102
3103 with_ldap_support=auto
3104 AC_MSG_CHECKING([for LDAP support])
3105
3106 AC_ARG_WITH(ldap,
3107 [AS_HELP_STRING([--with-ldap], [LDAP support (default=auto)])],
3108 [ case "$withval" in
3109     yes|no)
3110         with_ldap_support=$withval
3111         ;;
3112   esac ])
3113
3114 AC_MSG_RESULT($with_ldap_support)
3115
3116 SMBLDAP=""
3117 AC_SUBST(SMBLDAP)
3118
3119 if test x"$with_ldap_support" != x"no"; then
3120
3121   ##################################################################
3122   # first test for ldap.h and lber.h
3123   # (ldap.h is required for this test)
3124   AC_CHECK_HEADERS(ldap.h lber.h)
3125
3126   if test x"$ac_cv_header_ldap_h" != x"yes"; then
3127         if test x"$with_ldap_support" = x"yes"; then
3128          AC_MSG_ERROR(ldap.h is needed for LDAP support)
3129         else
3130          AC_MSG_WARN(ldap.h is needed for LDAP support)
3131         fi
3132         
3133         with_ldap_support=no
3134   fi
3135
3136   ##################################################################
3137   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
3138   # unsigned int in include/includes.h
3139   case $host_os in
3140         *hpux*)
3141          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3142          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
3143         with_ldap_support=yes
3144         ;;
3145         *)
3146         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
3147         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
3148                 if test x"$with_ldap_support" = x"yes"; then
3149                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3150                 else
3151                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3152                 fi
3153                 with_ldap_support=no
3154         fi
3155         ;;
3156   esac
3157 fi
3158
3159 if test x"$with_ldap_support" != x"no"; then
3160   ac_save_LIBS=$LIBS
3161
3162   ##################################################################
3163   # we might need the lber lib on some systems. To avoid link errors
3164   # this test must be before the libldap test
3165   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3166
3167   ########################################################
3168   # If ber_sockbuf_add_io() is available we can add
3169   # SASL wrapping hooks
3170   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3171
3172   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3173                  AC_TRY_COMPILE([#include <ldap.h>],
3174                                 [int val = LDAP_OPT_SOCKBUF;],
3175                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3176                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3177
3178   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3179           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3180         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3181   fi
3182
3183   #######################################################
3184   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3185   # ldap logging and print it out in the samba logs
3186   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3187                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3188                  [AC_TRY_COMPILE([#include <lber.h>],
3189                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3190                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3191                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3192
3193   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3194         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3195                   [Support for LDAP/LBER logging interception])
3196   fi
3197
3198   ########################################################
3199   # now see if we can find the ldap libs in standard paths
3200   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3201
3202   ########################################################
3203   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3204   # Check found in pam_ldap 145.
3205   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3206
3207   LIBS="$LIBS $LDAP_LIBS"
3208   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3209     AC_TRY_COMPILE([
3210         #include <lber.h>
3211         #include <ldap.h>],
3212         [ldap_set_rebind_proc(0, 0, 0);],
3213         [smb_ldap_cv_ldap_set_rebind_proc=3],
3214         [smb_ldap_cv_ldap_set_rebind_proc=2]
3215     )
3216   ])
3217
3218   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3219
3220   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3221
3222   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3223     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3224     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3225     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3226     default_shared_modules="$default_shared_modules";
3227     SMBLDAP="lib/smbldap.o"
3228     with_ldap_support=yes
3229     AC_MSG_CHECKING(whether LDAP support is used)
3230     AC_MSG_RESULT(yes)
3231   else
3232     if test x"$with_ldap_support" = x"yes"; then
3233         AC_MSG_ERROR(libldap is needed for LDAP support)
3234     else
3235         AC_MSG_WARN(libldap is needed for LDAP support)
3236     fi
3237
3238     LDAP_LIBS=""
3239     with_ldap_support=no
3240   fi
3241   LIBS=$ac_save_LIBS
3242 fi
3243
3244
3245 #################################################
3246 # active directory support
3247
3248 with_ads_support=auto
3249 AC_MSG_CHECKING([for Active Directory and krb5 support])
3250
3251 AC_ARG_WITH(ads,
3252 [AS_HELP_STRING([--with-ads], [Active Directory support (default=auto)])],
3253 [ case "$withval" in
3254     yes|no)
3255         with_ads_support="$withval"
3256         ;;
3257   esac ])
3258
3259 AC_MSG_RESULT($with_ads_support)
3260
3261 FOUND_KRB5=no
3262 KRB5_LIBS=""
3263
3264 if test x"$with_ldap_support" != x"yes"; then
3265
3266     if test x"$with_ads_support" = x"yes"; then
3267         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3268     elif test x"$with_ads_support" = x"auto"; then
3269         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3270         with_ads_support=no
3271     fi
3272
3273 else
3274
3275     # Check to see whether there is enough LDAP functionality to be able
3276     # to build AD support.
3277
3278 # HPUX and Solaris only has ldap_init; ok, we take care of this in smbldap.c
3279 case "$host_os" in
3280         *hpux* | *solaris*)
3281     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3282
3283     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3284         if test x"$with_ads_support" = x"yes"; then
3285             AC_MSG_ERROR(Active Directory support on HPUX or Solaris requires ldap_init)
3286         elif test x"$with_ads_support" = x"auto"; then
3287             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX or Solaris))
3288             with_ads_support=no
3289         fi
3290     fi
3291     ;;
3292         *)
3293     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3294
3295     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3296         if test x"$with_ads_support" = x"yes"; then
3297             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3298         elif test x"$with_ads_support" = x"auto"; then
3299             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3300             with_ads_support=no
3301         fi
3302     fi
3303     ;;
3304 esac
3305
3306
3307     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3308
3309     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3310         if test x"$with_ads_support" = x"yes"; then
3311             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3312         elif test x"$with_ads_support" = x"auto"; then
3313             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3314             with_ads_support=no
3315         fi
3316     fi
3317
3318 fi
3319
3320 if test x"$with_ads_support" != x"no"; then
3321
3322   # Do no harm to the values of CFLAGS and LIBS while testing for
3323   # Kerberos support.
3324
3325   if test x$FOUND_KRB5 = x"no"; then
3326     #################################################
3327     # check for location of Kerberos 5 install
3328     AC_MSG_CHECKING(for kerberos 5 install path)
3329     AC_ARG_WITH(krb5,
3330     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3331     [ case "$withval" in
3332       no)
3333         AC_MSG_RESULT(no krb5-path given)
3334         ;;
3335       yes)
3336         AC_MSG_RESULT(/usr)
3337         ;;
3338       *)
3339         AC_MSG_RESULT($withval)
3340         KRB5_CFLAGS="-I$withval/include"
3341         KRB5_CPPFLAGS="-I$withval/include"
3342         KRB5_LDFLAGS="-L$withval/lib"
3343         FOUND_KRB5=yes
3344         if test -x "$withval/bin/krb5-config"; then
3345                 KRB5CONFIG=$withval/bin/krb5-config
3346         fi
3347         ;;
3348       esac ],
3349       AC_MSG_RESULT(no krb5-path given)
3350     )
3351   fi
3352
3353   #################################################
3354   # check for krb5-config from recent MIT and Heimdal kerberos 5
3355   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3356   AC_MSG_CHECKING(for working krb5-config)
3357   if test -x "$KRB5CONFIG" && $KRB5CONFIG --libs gssapi > /dev/null ; then
3358     ac_save_CFLAGS=$CFLAGS
3359     CFLAGS="";export CFLAGS
3360     ac_save_LDFLAGS=$LDFLAGS
3361     LDFLAGS="";export LDFLAGS
3362     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3363     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3364     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3365     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3366     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3367     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3368     FOUND_KRB5=yes
3369     AC_MSG_RESULT(yes)
3370   else
3371     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3372   fi
3373
3374   if test x$FOUND_KRB5 = x"no"; then
3375     #################################################
3376     # see if this box has the SuSE location for the heimdal krb implementation
3377     AC_MSG_CHECKING(for /usr/include/heimdal)
3378     if test -d /usr/include/heimdal; then
3379       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3380           KRB5_CFLAGS="-I/usr/include/heimdal"
3381           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3382           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3383           FOUND_KRB5=yes
3384           AC_MSG_RESULT(yes)
3385       else
3386           KRB5_CFLAGS="-I/usr/include/heimdal"
3387           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3388           FOUND_KRB5=yes
3389           AC_MSG_RESULT(yes)
3390       fi
3391     else
3392       AC_MSG_RESULT(no)
3393     fi
3394   fi
3395
3396   if test x$FOUND_KRB5 = x"no"; then
3397     #################################################
3398     # see if this box has the RedHat location for kerberos
3399     AC_MSG_CHECKING(for /usr/kerberos)
3400     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3401       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3402       KRB5_CFLAGS="-I/usr/kerberos/include"
3403       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3404       FOUND_KRB5=yes
3405       AC_MSG_RESULT(yes)
3406     else
3407       AC_MSG_RESULT(no)
3408     fi
3409   fi
3410
3411   if test x$FOUND_KRB5 = x"no"; then
3412     #################################################
3413     # see if this box has the OpenBSD location for heimdal krb5
3414     AC_MSG_CHECKING(for /usr/include/kerberosV)
3415     if test -d /usr/include/kerberosV; then
3416       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3417       KRB5_LIBS="-lcrypto"
3418       FOUND_KRB5=yes
3419       AC_MSG_RESULT(yes)
3420     else
3421       AC_MSG_RESULT(no)
3422     fi
3423   fi
3424
3425   if test x$FOUND_KRB5 = x"no"; then
3426     #################################################
3427     # see if this box has Solaris MIT kerberos implementation
3428     AC_MSG_CHECKING(for Solaris MIT kerberos)
3429     if test -x "$KRB5CONFIG" && $KRB5CONFIG --version | grep -s Solaris | grep -s MIT > /dev/null ; then
3430        FOUND_KRB5=yes
3431        KRB5_LIBS="-lgss -lkrb5"
3432        KRB5_CFLAGS="`$KRB5CONFIG --cflags`"
3433        KRB5_CPPFLAGS="`$KRB5CONFIG --cflags`"
3434        AC_MSG_RESULT(yes)
3435     else
3436       AC_MSG_RESULT(no)
3437     fi
3438   fi
3439
3440   ac_save_CFLAGS=$CFLAGS
3441   ac_save_CPPFLAGS=$CPPFLAGS
3442   ac_save_LDFLAGS=$LDFLAGS
3443
3444   # remove needless evil rpath stuff as early as possible:
3445   LIB_REMOVE_USR_LIB(KRB5_LIBS)
3446   LIB_REMOVE_USR_LIB(KRB5_LDFLAGS)
3447   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3448   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3449   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3450
3451   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3452
3453   # now check for krb5.h. Some systems have the libraries without the headers!
3454   # note that this check is done here to allow for different kerberos
3455   # include paths
3456   AC_CHECK_HEADERS(krb5.h)
3457
3458   if test x"$ac_cv_header_krb5_h" = x"no"; then
3459
3460     # Give a warning if AD support was not explicitly requested,
3461     # i.e with_ads_support = auto, otherwise die with an error.
3462
3463     if test x"$with_ads_support" = x"yes"; then
3464       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3465     else
3466       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3467     fi
3468
3469     # Turn off AD support and restore CFLAGS and LIBS variables
3470
3471     with_ads_support="no"
3472
3473     CFLAGS=$ac_save_CFLAGS
3474     CPPFLAGS=$ac_save_CPPFLAGS
3475     LDFLAGS=$ac_save_LDFLAGS
3476   fi
3477
3478   # check for new heimdal KRB5_DEPRECATED handling
3479
3480   AC_CACHE_CHECK([for KRB5_DEPRECATED define taking an identifier],
3481                 samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER,[
3482     AC_TRY_COMPILE(
3483       [#define KRB5_DEPRECATED 1
3484       #include <krb5.h>],
3485       [],
3486       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=yes,
3487       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=no)])
3488
3489   if test x"$samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER" = x"yes"; then
3490     AC_DEFINE(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER, 1,
3491                [Whether to use deprecated krb5 interfaces])
3492   fi
3493 fi
3494
3495 # Now we have determined whether we really want ADS support
3496 use_ads=no
3497 if test x"$with_ads_support" != x"no"; then
3498   use_ads=yes
3499   have_gssapi=no
3500   ac_save_LIBS=$LIBS
3501
3502   # now check for gssapi headers.  This is also done here to allow for
3503   # different kerberos include paths
3504   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h)
3505
3506   ##################################################################
3507   # we might need the k5crypto and com_err libraries on some systems
3508   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3509   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3510
3511   # Heimdal checks.
3512   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3513   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3514   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3515
3516   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3517   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3518
3519   ########################################################
3520   # now see if we can find the krb5 libs in standard paths
3521   # or as specified above
3522   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3523   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3524
3525   ########################################################
3526   # now see if we can find the gssapi libs in standard paths
3527   if test x"$have_gssapi" != x"yes"; then
3528      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3529      AC_CHECK_LIB_EXT(gss, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3530   fi
3531   ################################################################
3532   # test for AD / GSSAPI support being enabled
3533   if test x"$have_gssapi" != xyes ; then
3534         AC_MSG_WARN([Samba cannot be supported without GSSAPI])
3535         use_ads=no
3536   else
3537         AC_DEFINE(HAVE_GSSAPI, , [Whether the platform has GSSAPI support])
3538   fi
3539
3540   # This is for FreeBSD (and possibly others). gss_mech_krb5 is a
3541   # #define to GSS_KRB5_MECHANISM, which is defined in -lgssapi_krb5
3542   # Also, gsskrb5_extract_authz_data_from_sec_context is in -lgssapi_krb5
3543   AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS, GSS_KRB5_MECHANISM,
3544                    [KRB5_LIBS="$KRB5_LIBS -lgssapi_krb5"])
3545
3546   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3547   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3548   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3549   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3550   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3551   AC_CHECK_FUNC_EXT(krb5_c_string_to_key, $KRB5_LIBS)
3552   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3553   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3554   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3555   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3556   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3557   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3558   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3559   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3560   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3561   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3562   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3563   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3564   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3565   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3566   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3567   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3568   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3569   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3570   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3571   AC_CHECK_FUNC_EXT(krb5_make_principal, $KRB5_LIBS)
3572   AC_CHECK_FUNC_EXT(krb5_principal_get_num_comp, $KRB5_LIBS)
3573   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3574   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3575   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3576   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3577   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3578   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3579   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3580   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3581   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3582   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3583   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_alloc, $KRB5_LIBS)
3584   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_set_impersonate, $KRB5_LIBS)
3585   AC_CHECK_FUNC_EXT(krb5_get_creds, $KRB5_LIBS)
3586   AC_CHECK_FUNC_EXT(krb5_get_credentials_for_user, $KRB5_LIBS)
3587   AC_CHECK_FUNC_EXT(krb5_get_host_realm, $KRB5_LIBS)
3588   AC_CHECK_FUNC_EXT(krb5_free_host_realm, $KRB5_LIBS)
3589   AC_CHECK_FUNC_EXT(krb5_get_init_creds_keytab, $KRB5_LIBS)
3590   AC_CHECK_FUNC_EXT(krb5_build_principal_alloc_va, $KRB5_LIBS)
3591   AC_CHECK_FUNC_EXT(krb5_cc_get_lifetime, $KRB5_LIBS)
3592   AC_CHECK_FUNC_EXT(krb5_cc_retrieve_cred, $KRB5_LIBS)
3593   AC_CHECK_FUNC_EXT(krb5_free_checksum_contents, $KRB5_LIBS)
3594   AC_CHECK_FUNC_EXT(krb5_create_checksum, $KRB5_LIBS)
3595   AC_CHECK_FUNC_EXT(krb5_c_make_checksum, $KRB5_LIBS)
3596   AC_CHECK_FUNC_EXT(gss_krb5_import_cred, $KRB5_LIBS)
3597   AC_CHECK_FUNC_EXT(gss_get_name_attribute, $KRB5_LIBS)
3598   AC_CHECK_FUNC_EXT(gsskrb5_extract_authz_data_from_sec_context, $KRB5_LIBS)
3599   AC_CHECK_FUNC_EXT(gss_mech_krb5, $KRB5_LIBS)
3600   AC_CHECK_FUNC_EXT(gss_oid_equal, $KRB5_LIBS)
3601   AC_CHECK_FUNC_EXT(gss_inquire_sec_context_by_oid, $KRB5_LIBS)
3602   AC_CHECK_FUNC_EXT(gss_wrap_iov, $KRB5_LIBS)
3603
3604   # MIT krb5 1.8 does not expose this call (yet)
3605   AC_CHECK_DECLS(krb5_get_credentials_for_user, [], [], [#include <krb5.h>])
3606
3607   # MIT krb5 1.7beta3 (in Ubuntu Karmic) does not have this declaration
3608   # but does have the symbol
3609   AC_CHECK_DECLS(krb5_auth_con_set_req_cksumtype, [], [], [#include <krb5.h>])
3610
3611   LIBS="$KRB5_LIBS $LIBS"
3612
3613   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3614           smb_krb5_cv_creds_opt_free_context,
3615           [
3616                 AC_TRY_COMPILE([
3617                     #include <krb5.h>],
3618                     [
3619                         krb5_context ctx;
3620                         krb5_get_init_creds_opt *opt = NULL;
3621                         krb5_get_init_creds_opt_free(ctx, opt);
3622                     ],
3623                     [smb_krb5_cv_creds_opt_free_context=yes],
3624                     [smb_krb5_cv_creds_opt_free_context=no]
3625                 )
3626           ])
3627
3628   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3629         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3630             [Whether krb5_get_init_creds_opt_free takes a context argument])
3631   fi
3632
3633   AC_CACHE_CHECK([for checksum in krb5_checksum],
3634                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3635     AC_TRY_COMPILE([#include <krb5.h>],
3636       [krb5_checksum cksum; cksum.checksum.length = 0;],
3637       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3638       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3639
3640   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3641     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3642                [Whether the krb5_checksum struct has a checksum property])
3643   fi
3644
3645   AC_CACHE_CHECK([for etype in EncryptedData],
3646                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3647     AC_TRY_COMPILE([#include <krb5.h>],
3648       [EncryptedData edata; edata.etype = 0;],
3649       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3650       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3651
3652   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3653     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3654                [Whether the EncryptedData struct has a etype property])
3655   fi
3656
3657   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3658                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3659     AC_TRY_COMPILE([#include <krb5.h>],
3660       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3661       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3662       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3663
3664   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
3665     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
3666                [Whether the krb5_ap_req struct has a ticket pointer])
3667   fi
3668
3669   AC_CACHE_CHECK([for e_data pointer in krb5_error],
3670                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
3671     AC_TRY_COMPILE([#include <krb5.h>],
3672       [krb5_error err; err.e_data = NULL;],
3673       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
3674       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
3675
3676   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
3677     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
3678                [Whether the krb5_error struct has a e_data pointer])
3679   fi
3680
3681   AC_CACHE_CHECK([for krb5_crypto type],
3682                 samba_cv_HAVE_KRB5_CRYPTO,[
3683     AC_TRY_COMPILE([#include <krb5.h>],
3684       [krb5_crypto crypto;],
3685       samba_cv_HAVE_KRB5_CRYPTO=yes,
3686       samba_cv_HAVE_KRB5_CRYPTO=no)])
3687
3688   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
3689     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
3690                [Whether the type krb5_crypto exists])
3691   fi
3692
3693   AC_CACHE_CHECK([for addrtype in krb5_address],
3694                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
3695     AC_TRY_COMPILE([#include <krb5.h>],
3696       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
3697       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
3698       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
3699
3700   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
3701     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
3702                [Whether the krb5_address struct has a addrtype property])
3703   fi
3704
3705   AC_CACHE_CHECK([for addr_type in krb5_address],
3706                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
3707     AC_TRY_COMPILE([#include <krb5.h>],
3708       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
3709       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
3710       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
3711
3712   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
3713     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
3714               [Whether the krb5_address struct has a addr_type property])
3715   fi
3716
3717   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
3718                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
3719     AC_TRY_COMPILE([#include <krb5.h>],
3720       [krb5_keyblock key; key.keyvalue.data = NULL;],
3721       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
3722       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
3723
3724   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
3725     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
3726               [Whether the krb5_keyblock struct has a keyvalue property])
3727   fi
3728
3729   found_arcfour_hmac=no
3730   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
3731                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
3732     AC_TRY_COMPILE([#include <krb5.h>],
3733       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
3734       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
3735       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
3736   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
3737                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
3738     AC_TRY_COMPILE([#include <krb5.h>],
3739       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
3740       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
3741       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
3742 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
3743 # w.r.t. arcfour and windows, so we must not enable it here
3744   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
3745           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
3746     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
3747               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available])
3748     found_arcfour_hmac=yes
3749   fi
3750   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC],
3751                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC,[
3752     AC_TRY_COMPILE([#include <krb5.h>],
3753       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC;],
3754       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=yes,
3755       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=no)])
3756   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC" = x"yes"; then
3757     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC,1,
3758               [Whether the ENCTYPE_ARCFOUR_HMAC key type definition is available])
3759     found_arcfour_hmac=yes
3760   fi
3761
3762   AC_CACHE_CHECK([for ENCTYPE_AES128_CTS_HMAC_SHA1_96],
3763                  samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,[
3764     AC_TRY_COMPILE([#include <krb5.h>],
3765       [krb5_enctype enctype; enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;],
3766       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=yes,
3767       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=no)])
3768   if test x"$samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96" = x"yes"; then
3769     AC_DEFINE(HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,1,
3770               [Whether the ENCTYPE_AES128_CTS_HMAC_SHA1_96 key type definition is available])
3771   fi
3772   AC_CACHE_CHECK([for ENCTYPE_AES256_CTS_HMAC_SHA1_96],
3773                  samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,[
3774     AC_TRY_COMPILE([#include <krb5.h>],
3775       [krb5_enctype enctype; enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;],
3776       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=yes,
3777       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=no)])
3778   if test x"$samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96" = x"yes"; then
3779     AC_DEFINE(HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,1,
3780               [Whether the ENCTYPE_AES256_CTS_HMAC_SHA1_96 key type definition is available])
3781   fi
3782
3783   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
3784                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
3785     AC_TRY_COMPILE([#include <krb5.h>],
3786       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
3787       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
3788       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
3789
3790   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
3791     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
3792               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
3793   fi
3794
3795   AC_CACHE_CHECK([for KV5M_KEYTAB],
3796                  samba_cv_HAVE_KV5M_KEYTAB,[
3797     AC_TRY_COMPILE([#include <krb5.h>],
3798       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
3799       samba_cv_HAVE_KV5M_KEYTAB=yes,
3800       samba_cv_HAVE_KV5M_KEYTAB=no)])
3801
3802   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
3803       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
3804              [Whether the KV5M_KEYTAB option is available])
3805   fi
3806
3807   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
3808                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
3809     AC_TRY_COMPILE([#include <krb5.h>],
3810       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
3811       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
3812       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
3813
3814   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
3815     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
3816               [Whether KRB5_KU_OTHER_CKSUM is available])
3817   fi
3818
3819   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
3820                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
3821     AC_TRY_COMPILE([#include <krb5.h>],
3822       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
3823       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
3824       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
3825
3826   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
3827     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
3828               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
3829   fi
3830
3831   AC_CACHE_CHECK([for the krb5_princ_component macro],
3832                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
3833     AC_TRY_LINK([#include <krb5.h>],
3834       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
3835       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
3836       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
3837
3838   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
3839     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
3840                [Whether krb5_princ_component is available])
3841   fi
3842
3843   AC_CACHE_CHECK([for key in krb5_keytab_entry],
3844                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
3845     AC_TRY_COMPILE([#include <krb5.h>],
3846       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
3847       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
3848       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
3849
3850   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
3851     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
3852               [Whether krb5_keytab_entry has key member])
3853   fi
3854
3855   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
3856                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
3857     AC_TRY_COMPILE([#include <krb5.h>],
3858       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
3859       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
3860       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
3861
3862   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
3863     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
3864               [Whether krb5_keytab_entry has keyblock member])
3865   fi
3866
3867   AC_CACHE_CHECK([for magic in krb5_address],
3868                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
3869     AC_TRY_COMPILE([#include <krb5.h>],
3870       [krb5_address addr; addr.magic = 0;],
3871       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
3872       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
3873
3874   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
3875     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
3876               [Whether the krb5_address struct has a magic property])
3877   fi
3878
3879   AC_CACHE_CHECK([for WRFILE: keytab support],
3880                 samba_cv_HAVE_WRFILE_KEYTAB,[
3881     AC_TRY_RUN([
3882 #include<krb5.h>
3883   main()
3884   {
3885     krb5_context context;
3886     krb5_keytab keytab;
3887
3888     krb5_init_context(&context);
3889     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
3890   }],
3891   samba_cv_HAVE_WRFILE_KEYTAB=yes,
3892   samba_cv_HAVE_WRFILE_KEYTAB=no)])
3893
3894   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
3895       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
3896                [Whether the WRFILE:-keytab is supported])
3897   fi
3898
3899   AC_CACHE_CHECK([for krb5_realm type],
3900                 samba_cv_HAVE_KRB5_REALM_TYPE,[
3901     AC_TRY_COMPILE([#include <krb5.h>],
3902       [krb5_realm realm;],
3903       samba_cv_HAVE_KRB5_REALM_TYPE=yes,
3904       samba_cv_HAVE_KRB5_REALM_TYPE=no)])
3905
3906   if test x"$samba_cv_HAVE_KRB5_REALM_TYPE" = x"yes"; then
3907     AC_DEFINE(HAVE_KRB5_REALM_TYPE,1,
3908                [Whether the type krb5_realm exists])
3909   fi
3910
3911   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
3912                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
3913     AC_TRY_COMPILE([#include <krb5.h>],
3914     [
3915     krb5_context context;
3916     krb5_principal principal;
3917     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
3918     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
3919     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
3920
3921   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
3922     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
3923               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
3924   fi
3925
3926   AC_CACHE_CHECK([for krb5_addresses type],
3927                 samba_cv_HAVE_KRB5_ADDRESSES,[
3928     AC_TRY_COMPILE([#include <krb5.h>],
3929       [krb5_addresses addr;],
3930       samba_cv_HAVE_KRB5_ADDRESSES=yes,
3931       samba_cv_HAVE_KRB5_ADDRESSES=no)])
3932
3933   if test x"$samba_cv_HAVE_KRB5_ADDRESSES" = x"yes"; then
3934     AC_DEFINE(HAVE_KRB5_ADDRESSES,1,
3935                [Whether the type krb5_addresses type exists])
3936   fi
3937
3938   if test x"$ac_cv_func_ext_krb5_enctype_to_string" = x"yes"; then
3939     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_context context, krb5_enctype enctype, char **str)],
3940         smb_krb5_cv_enctype_to_string_takes_krb5_context_arg,[
3941         AC_TRY_RUN_STRICT([
3942                 #include <stdlib.h>
3943                 #include <krb5.h>
3944                 int main(void) {
3945                         krb5_context context = NULL;
3946                         char *str = NULL;
3947                         krb5_enctype_to_string(context, 1, &str);
3948                         if (str) free (str); 
3949                         return 0;
3950                 }
3951                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3952                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=yes,
3953                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=no)])
3954
3955     if test x"$smb_krb5_cv_enctype_to_string_takes_krb5_context_arg" = x"yes"; then
3956       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG,1,
3957                 [whether krb5_enctype_to_string takes krb5_context argument])
3958     fi
3959
3960     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_enctype enctype, char *str, size_t len)],
3961         smb_krb5_cv_enctype_to_string_takes_size_t_arg,[
3962         AC_TRY_RUN_STRICT([
3963                 #include <krb5.h>
3964                 int main(void) {
3965                         char buf[256];
3966                         krb5_enctype_to_string(1, buf, 256);
3967                         return 0;
3968                 }
3969                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3970                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=yes,
3971                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=no)])
3972
3973     if test x"$smb_krb5_cv_enctype_to_string_takes_size_t_arg" = x"yes"; then
3974       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG,1,
3975                 [whether krb5_enctype_to_string takes size_t argument])
3976     fi
3977   fi
3978
3979   AC_CACHE_CHECK([for krb5_principal_get_realm],
3980                 samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM,[
3981     AC_TRY_LINK([#include <krb5.h>],
3982       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_principal_get_realm(ctx, princ);],
3983       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=yes,
3984       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=no)])
3985
3986   if test x"$samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM" = x"yes"; then
3987     AC_DEFINE(HAVE_KRB5_PRINCIPAL_GET_REALM,1,
3988                [Whether the function krb5_principal_get_realm is defined])
3989   fi
3990
3991   AC_CACHE_CHECK([for krb5_princ_realm],
3992                 samba_cv_HAVE_KRB5_PRINC_REALM,[
3993     AC_TRY_LINK([#include <krb5.h>],
3994       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_princ_realm(ctx, princ)->data;],
3995       samba_cv_HAVE_KRB5_PRINC_REALM=yes,
3996       samba_cv_HAVE_KRB5_PRINC_REALM=no)])
3997
3998   if test x"$samba_cv_HAVE_KRB5_PRINC_REALM" = x"yes"; then
3999     AC_DEFINE(HAVE_KRB5_PRINC_REALM,1,
4000                [Whether the macro krb5_princ_realm is defined])
4001   fi
4002
4003   AC_HAVE_DECL(KRB5_PDU_NONE,[#include <krb5.h>])
4004
4005   AC_CACHE_CHECK([for flags in krb5_creds],
4006                 samba_cv_HAVE_FLAGS_IN_KRB5_CREDS,[
4007     AC_TRY_COMPILE([#include <krb5.h>],
4008       [krb5_creds creds; creds.flags.b.initial = 0;],
4009       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=yes,
4010       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=no)])
4011
4012   if test x"$samba_cv_HAVE_FLAGS_IN_KRB5_CREDS" = x"yes"; then
4013     AC_DEFINE(HAVE_FLAGS_IN_KRB5_CREDS,1,
4014                [Whether the krb5_creds struct has a flags property])
4015   fi
4016   #
4017   #
4018   # Now the decisions whether we can support krb5
4019   #
4020   # NOTE: all tests should be done before this block!
4021   #
4022   #
4023   if test x"$found_arcfour_hmac" != x"yes"; then
4024     AC_MSG_WARN(arcfour-hmac-md5 encryption type not found in -lkrb5)
4025     use_ads=no
4026   fi
4027
4028   if test x"$ac_cv_func_ext_krb5_set_real_time" != x"yes"; then
4029     AC_MSG_WARN(krb5_set_real_time encryption type not found in -lkrb5)
4030     use_ads=no
4031   fi
4032
4033   if test x"$ac_cv_lib_ext_krb5_krb5_mk_req_extended" != x"yes"; then
4034     AC_MSG_WARN(krb5_mk_req_extended not found in -lkrb5)
4035     use_ads=no
4036   fi
4037
4038   if test x"$ac_cv_func_ext_krb5_get_host_realm" != x"yes"
4039   then
4040     AC_MSG_WARN(krb5_get_host_realm not found in -lkrb5)
4041     use_ads=no
4042   fi
4043
4044   if test x"$ac_cv_func_ext_krb5_free_host_realm" != x"yes"
4045   then
4046     AC_MSG_WARN(krb5_free_host_realm not found in -lkrb5)
4047     use_ads=no
4048   fi
4049
4050   if test x"$ac_cv_func_ext_krb5_fwd_tgt_creds" != x"yes"
4051   then
4052     AC_MSG_WARN(krb5_fwd_tgt_creds not found in -lkrb5)
4053     use_ads=no
4054   fi
4055
4056   if test x"$ac_cv_func_ext_krb5_get_init_creds_opt_alloc" != x"yes"
4057   then
4058     AC_MSG_WARN(krb5_get_init_creds_opt_alloc found in -lkrb5)
4059     use_ads=no
4060   fi
4061
4062   if test x"$smb_krb5_cv_creds_opt_free_context" != x"yes"
4063   then
4064     AC_MSG_WARN(krb5_get_init_creds_opt_free not found or was too old in -lkrb5)
4065     use_ads=no
4066   fi
4067
4068   if test x"$ac_cv_func_ext_krb5_get_renewed_creds" != x"yes"
4069   then
4070     AC_MSG_WARN(krb5_get_renewed_creds not found in -lkrb5)
4071     use_ads=no
4072   fi
4073
4074   if test x"$ac_cv_func_ext_krb5_principal_compare_any_realm" != x"yes"
4075   then
4076     AC_MSG_WARN(krb5_principal_compare_any_realm not found in -lkrb5)
4077     use_ads=no
4078   fi
4079
4080   if test x"$ac_cv_func_ext_krb5_principal2salt" != x"yes" -o \
4081           x"$ac_cv_func_ext_krb5_c_string_to_key" != x"yes"
4082   then
4083         if test x"$ac_cv_func_ext_krb5_get_pw_salt" != x"yes" -o \
4084              x"$ac_cv_func_ext_krb5_string_to_key_salt" != x"yes"
4085         then
4086               AC_MSG_WARN(no CREATE_KEY_FUNCTIONS detected)
4087               use_ads=no
4088         fi
4089   fi
4090
4091   if test x"$ac_cv_func_ext_krb5_get_permitted_enctypes" != x"yes" -a \
4092           x"$ac_cv_func_ext_krb5_get_default_in_tkt_etypes" != x"yes"
4093   then
4094     AC_MSG_WARN(no GET_ENCTYPES_FUNCTIONS detected)
4095     use_ads=no
4096   fi
4097
4098   if test x"$ac_cv_func_ext_krb5_kt_free_entry" != x"yes" -a \
4099           x"$ac_cv_func_ext_krb5_free_keytab_entry_contents" != x"yes"
4100   then
4101     AC_MSG_WARN(no KT_FREE_FUNCTION detected)
4102     use_ads=no
4103   fi
4104
4105   if test x"$ac_cv_func_ext_krb5_c_verify_checksum" != x"yes"
4106   then
4107     AC_MSG_WARN(krb5_c_verify_checksum not found in -lkrb5)
4108     use_ads=no
4109   fi
4110
4111   if test x"$ac_cv_func_ext_gss_wrap_iov" != x"yes" ; then
4112     AC_MSG_WARN(gss_wrap_iov not found in -lgssapi)
4113     use_ads=no
4114   fi
4115
4116   if test x"$ac_cv_func_ext_gss_get_name_attribute" != x"yes" ; then
4117     if test x"$ac_cv_func_ext_gsskrb5_extract_authz_data_from_sec_context" != x"yes" -o \
4118             x"$ac_cv_func_ext_gss_inquire_sec_context_by_oid" != x"yes"
4119     then
4120       AC_MSG_WARN(need either gss_get_name_attribute or gsskrb5_extract_authz_data_from_sec_context and gss_inquire_sec_context_by_oid in -lgssapi for PAC support)
4121       use_ads=no
4122     fi
4123   fi
4124
4125   if test x"$use_ads" = x"yes"; then
4126     AC_DEFINE(WITH_ADS,1,[Whether to include Active Directory support])
4127     AC_DEFINE(HAVE_KRB5,1,[Whether to have KRB5 support])
4128   else
4129     if test x"$with_ads_support" = x"yes"; then
4130         AC_MSG_ERROR(krb5 libs don't have all features required for Active Directory support)
4131     else
4132         AC_MSG_WARN(krb5 libs don't have all features required for Active Directory support)
4133     fi
4134     AC_REMOVE_DEFINE(HAVE_KRB5_H)
4135     AC_REMOVE_DEFINE(HAVE_GSSAPI_H)
4136     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_GENERIC_H)
4137     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_H)
4138     AC_REMOVE_DEFINE(HAVE_GSSAPI)
4139     KRB5_LIBS=""
4140     with_ads_support=no
4141   fi
4142   AC_MSG_CHECKING(whether Active Directory and krb5 support is used)
4143   AC_MSG_RESULT([$use_ads])
4144
4145 LIBS="$ac_save_LIBS"
4146 fi
4147
4148 AC_CHECK_LIB_EXT(nscd, NSCD_LIBS, nscd_flush_cache)
4149 PASSDB_LIBS="$PASSDB_LIBS $NSCD_LIBS"
4150
4151
4152 ########################################################
4153 # Compile with DNS Updates support?
4154
4155 with_dnsupdate_support=auto
4156 AC_MSG_CHECKING([whether to enable DNS Updates support])
4157
4158 AC_ARG_WITH(dnsupdate,
4159 [AS_HELP_STRING([--with-dnsupdate], [Enable DNS Updates support (default=auto)])],
4160 [ case "$withval" in
4161     yes|no)
4162         with_dnsupdate_support=$withval
4163         ;;
4164   esac ])
4165
4166 AC_MSG_RESULT($with_dnsupdate_support)
4167
4168 if test x"$with_dnsupdate_support" != x"no"; then
4169
4170   ################################################################
4171   # first test for AD / GSSAPI support being enabled
4172         if test x"$have_gssapi" != xyes -o x"$use_ads" != xyes ; then
4173                 if test x"$with_dnsupdate_support" = x"yes" ; then
4174                         AC_MSG_ERROR(DNS Updates support only possible with AD and GSSAPI support)
4175                 else
4176                         AC_MSG_NOTICE(DNS Updates support only possible with AD and GSSAPI support)
4177                         with_dnsupdate_support=no