f0dde646e3dfaf3c2dc5015e9afbc872f0923be0
[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="$default_shared_modules vfs_media_harmony"
470 default_shared_modules="$default_shared_modules idmap_autorid"
471 default_shared_modules="$default_shared_modules idmap_tdb2"
472 default_shared_modules="$default_shared_modules idmap_rid"
473 default_shared_modules="$default_shared_modules idmap_hash"
474
475 if test "x$developer" = xyes; then
476    default_shared_modules="$default_shared_modules perfcount_test"
477 fi
478
479 if test x"$RUN_FROM_BUILD_FARM" = x"yes" -o "x$developer" = xyes; then
480    default_shared_modules="$default_shared_modules vfs_fake_acls"
481 fi
482
483 #
484 # Config CPPFLAG settings for strange OS's that must be set
485 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
486 # case statement; its first reference must be unconditional.
487 #
488 case "$host_os" in
489     *hpux*)
490 #
491 # Defines needed for HPUX support.
492 # HPUX has bigcrypt but (sometimes?) doesn't use it for
493 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
494 #
495       case `uname -r` in
496                 *9*|*10*|*11)
497                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
498                 ;;
499       esac
500       ;;
501
502 #
503 # CRAY Unicos has broken const handling
504        *unicos*)
505           AC_MSG_RESULT([disabling const])
506           CPPFLAGS="$CPPFLAGS -Dconst="
507           ;;
508         
509 #
510 # AIX4.x doesn't even admit to having large
511 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
512 #
513     *aix4*)
514           AC_MSG_RESULT([enabling large file support])
515           CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
516           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
517       ;;
518 #
519 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
520 # to the existance of large files..
521 #
522 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
523 #
524         *solaris*)
525                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
526                 LDFLAGS="$LDFLAGS -lthread"
527                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
528                 ;;
529 #
530 # IRIX uses SYSV printing.  Make sure to set that here
531 #
532         *irix*)
533                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
534                 ;;
535         *freebsd*|*dragonfly*)
536                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
537                 ;;
538 #
539 # VOS may need to have POSIX support and System V compatibility enabled.
540 #
541     *vos*)
542     case "$CPPFLAGS" in
543           *-D_POSIX_C_SOURCE*)
544                 ;;
545           *)
546                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
547                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
548                 ;;
549     esac
550     case "$CPPFLAGS" in
551           *-D_SYSV*|*-D_SVID_SOURCE*)
552                 ;;
553           *)
554                 CPPFLAGS="$CPPFLAGS -D_SYSV"
555                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
556     esac
557     ;;
558 # GNU systems
559 #
560     *linux* | *hurd* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
561         CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
562         AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
563         ;;
564
565 #
566 # MacOS X is the *only* system that uses compose character in utf8. This
567 # is so horribly broken....
568 #
569     *darwin*)
570         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
571
572 # Add a system specific charset module.
573         default_shared_modules="$default_shared_modules"
574
575         ;;
576     *qnx*)
577         ;;
578
579 esac
580
581 SAVE_CPPFLAGS="${CPPFLAGS}"
582 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
583
584 AC_LIBREPLACE_BROKEN_CHECKS
585 AC_CHECK_FUNCS([syslog],[],[AC_MSG_ERROR([Required function not found])])
586 AC_LIBREPLACE_NETWORK_CHECKS
587
588 CPPFLAGS="${SAVE_CPPFLAGS}"
589
590 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
591
592 LIBREPLACE_OBJS="${LIBREPLACEOBJ}"
593 AC_SUBST(LIBREPLACE_OBJS)
594
595 LIBREPLACE_LIBS="${LIBREPLACE_NETWORK_LIBS} ${LIBREPLACE_FILESYS_LIBS}"
596 AC_SUBST(LIBREPLACE_LIBS)
597
598
599 # add -ldl to the global LIBS
600 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
601 AUTH_LIBS="${AUTH_LIBS} ${CRYPT_LIBS}"
602
603
604 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
605 AC_CHECK_HEADERS(unistd.h grp.h sys/id.h memory.h alloca.h)
606 AC_CHECK_HEADERS(limits.h float.h libintl.h)
607 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
608 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h sys/sysctl.h)
609 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
610 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
611 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
612 AC_CHECK_HEADERS(sys/sysmacros.h)
613 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
614 AC_CHECK_HEADERS(langinfo.h locale.h)
615 AC_CHECK_HEADERS(xfs/libxfs.h)
616 AC_CHECK_HEADERS(netgroup.h)
617 AC_CHECK_HEADERS(linux/falloc.h)
618 AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
619
620 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
621 #if HAVE_RPC_RPC_H
622 #include <rpc/rpc.h>
623 #endif
624 ]])
625 CRYPTO_MD5_OBJ=
626 if test "x$ac_cv_header_CommonCrypto_CommonDigest_h" != "xyes"
627 then
628         CRYPTO_MD5_OBJ="../lib/crypto/md5.o"
629 fi
630 AC_SUBST(CRYPTO_MD5_OBJ)
631
632 ## These fail to compile on IRIX so just check for their presence
633 AC_CHECK_HEADERS(sys/mode.h,,,)
634
635 # Look for Darwin headers
636 old_CPPFLAGS="$CPPFLAGS"
637 CPPFLAGS="-Iinclude $CPPFLAGS"
638 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
639 CPPFLAGS="$old_CPPFLAGS"
640
641 # To link lib/util/charset/charset_macosxfs.c, we need to tell the linker
642 # about CoreFoundation, at least on os X 10.4..10.7 resp. darwin8..12
643 case "$host_os" in
644     *darwin*)
645                 LDFLAGS="$LDFLAGS -framework CoreFoundation"
646         ;;
647 esac
648
649 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
650 # subdirectory of headers.
651 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
652
653 if test x"$enable_developer" = x"yes" ; then
654    if test x"$ac_cv_header_valgrind_h" = xyes -o \
655            x"$ac_cv_header_valgrind_valgrind_h" = xyes ; then
656       AC_DEFINE(VALGRIND,1,[Whether we have valgrind headers])
657    fi
658 fi
659
660 #
661 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
662 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
663 #
664 case "$host_os" in
665     *hpux*)
666                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
667                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
668                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
669                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
670                 fi
671         ;;
672 esac
673 AC_CHECK_HEADERS(shadow.h)
674 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
675 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
676
677 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
678
679 # For experimental utmp support (lastlog on some BSD-like systems)
680 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
681
682 AC_CHECK_SIZEOF(int,cross)
683 AC_CHECK_SIZEOF(long,cross)
684 AC_CHECK_SIZEOF(long long,cross)
685 AC_CHECK_SIZEOF(short,cross)
686
687 AC_C_CONST
688 AC_C_INLINE
689 AC_C_BIGENDIAN
690 AC_C_CHAR_UNSIGNED
691
692 AC_TYPE_SIGNAL
693 AC_TYPE_UID_T
694 AC_TYPE_MODE_T
695 AC_TYPE_OFF_T
696 AC_TYPE_SIZE_T
697 AC_TYPE_PID_T
698 AC_STRUCT_ST_RDEV
699 AC_DIRENT_D_OFF
700 AC_CHECK_TYPE(ssize_t, int)
701 AC_CHECK_TYPE(wchar_t, unsigned short)
702
703 ############################################
704 # for cups support we need libcups, and a handful of header files
705
706 AC_ARG_ENABLE(cups,
707 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
708
709 if test x$enable_cups != xno; then
710         AC_PATH_PROG(CUPS_CONFIG, cups-config)
711
712         if test "x$CUPS_CONFIG" != x; then
713
714                 ac_save_LDFLAGS=$LDFLAGS
715                 ac_save_PRINT_LIBS=$PRINT_LIBS
716                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
717
718                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
719                         x"$ac_cv_header_cups_language_h" = xyes; then
720                         # try linking with -lcups alone first. That should work unless libcups is
721                         # underlinked. With cups-config --libs we pull in unwanted and unneeded
722                         # dendencies including thread libraries - use cups-config only if really
723                         # required. 
724                         AC_CHECK_LIB_EXT(cups, ac_save_PRINT_LIBS , httpConnect,
725                                 [PRINT_LIBS="$ac_save_PRINT_LIBS -lcups"],
726                                 [AC_MSG_WARN([your cups library doesn't link with -lcups alone, it might be underlinked.]) ;
727                                  PRINT_LIBS="$ac_save_PRINT_LIBS `$CUPS_CONFIG --libs`"])
728
729                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
730                         samba_cv_HAVE_CUPS=yes
731                         AC_CHECK_LIB_EXT(cups, PRINT_LIBS, httpConnectEncrypt)
732                 else
733                         AC_MSG_WARN([cups-config around but cups-devel not installed])
734                         CFLAGS=$ac_save_CFLAGS
735                         LDFLAGS=$ac_save_LDFLAGS
736                         PRINT_LIBS=$ac_save_PRINT_LIBS
737                 fi
738
739         elif test x"$enable_cups" = x"yes"; then
740                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
741         fi
742 fi
743
744 AC_ARG_ENABLE(iprint,
745 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
746
747 if test x$enable_iprint != xno; then
748         if test x"$samba_cv_HAVE_CUPS" = xyes; then
749                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
750         elif test x"$enable_iprint" = x"yes"; then
751                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
752         fi
753 fi
754
755 ############################################
756 # check if the compiler will optimize out function calls
757 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
758     AC_TRY_LINK([
759 #include <stdio.h>],
760 [
761                 if (0) {
762                    this_function_does_not_exist();
763                 } else {
764                   return 1;
765                 }
766
767 ],
768         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
769 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
770    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
771 fi
772
773 #############################################
774 # check for fd passing struct via msg_control
775 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
776     AC_TRY_COMPILE([
777 #include <sys/types.h>
778 #include <stdlib.h>
779 #include <stddef.h>
780 #include <sys/socket.h>
781 #include <sys/un.h>],
782 [
783         struct msghdr msg;
784         union {
785               struct cmsghdr cm;
786               char control[CMSG_SPACE(sizeof(int))];
787         } control_un;
788         msg.msg_control = control_un.control;
789         msg.msg_controllen = sizeof(control_un.control);
790 ],
791         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
792 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
793    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
794              [If we can use msg_control for passing file descriptors])
795 fi
796
797 #############################################
798 # check for fd passing struct via msg_acctrights
799 AC_CACHE_CHECK([for fd passing via msg_acctrights],
800                 samba_cv_msghdr_msg_acctrights, [
801     AC_TRY_COMPILE([
802 #include <sys/types.h>
803 #include <stdlib.h>
804 #include <stddef.h>
805 #include <sys/socket.h>
806 #include <sys/un.h>],
807 [
808         struct msghdr msg;
809         int fd;
810         msg.msg_acctrights = (caddr_t) &fd;
811         msg.msg_acctrightslen = sizeof(fd);
812 ],
813         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
814 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
815    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
816              [If we can use msg_acctrights for passing file descriptors])
817 fi
818
819 AC_CHECK_FUNCS(dirfd)
820 if test x"$ac_cv_func_dirfd" = x"yes"; then
821         default_shared_modules="$default_shared_modules vfs_syncops vfs_dirsort"
822 fi
823
824 AC_CACHE_CHECK([for struct sigevent type],samba_cv_struct_sigevent, [
825     AC_TRY_COMPILE([
826 #include <sys/types.h>
827 #if STDC_HEADERS
828 #include <stdlib.h>
829 #include <stddef.h>
830 #endif
831 #include <signal.h>],[struct sigevent s;],
832         samba_cv_struct_sigevent=yes,samba_cv_struct_sigevent=no)])
833 if test x"$samba_cv_struct_sigevent" = x"yes"; then
834    AC_DEFINE(HAVE_STRUCT_SIGEVENT,1,[Whether we have the struct sigevent])
835    AC_CHECK_MEMBERS([struct sigevent.sigev_value.sival_ptr,struct sigevent.sigev_value.sigval_ptr], , ,
836         [#include <signal.h>])
837 fi
838
839 # and glibc has setresuid under linux but the function does
840 # nothing until kernel 2.1.44! very dumb.
841 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
842     AC_TRY_RUN([#include <errno.h>
843 main() { setresuid(1,1,1); setresuid(2,2,2); return(errno==EPERM?0:1);}],
844         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
845 if test x"$samba_cv_have_setresuid" = x"yes"; then
846     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
847 fi
848
849 # Do the same check for setresguid...
850 #
851 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
852     AC_TRY_RUN([#include <unistd.h>
853 #include <errno.h>
854 main() { errno = 0; setresgid(1,1,1); return(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
855         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
856 if test x"$samba_cv_have_setresgid" = x"yes"; then
857     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
858 fi
859
860 AC_FUNC_MEMCMP
861
862 ###############################################
863 # Readline included by default unless explicitly asked not to
864 test "${with_readline+set}" != "set" && with_readline=yes
865
866 # test for where we get readline() from
867 AC_MSG_CHECKING(whether to use readline)
868 AC_ARG_WITH(readline,
869 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
870 [  case "$with_readline" in
871   yes)
872     AC_MSG_RESULT(yes)
873
874     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
875     AC_CHECK_HEADERS(readline/history.h)
876
877     AC_CHECK_HEADERS(readline.h readline/readline.h,[
878       for termlib in ncurses curses termcap terminfo termlib tinfo; do
879        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
880       done
881       AC_CHECK_LIB(readline, rl_callback_handler_install,
882        [TERMLIBS="-lreadline $TERMLIBS"
883        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
884        break], [TERMLIBS=], $TERMLIBS)])
885     ;;
886   no)
887     AC_MSG_RESULT(no)
888     ;;
889   *)
890     AC_MSG_RESULT(yes)
891
892     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
893     # alternate readline path
894     _ldflags=${LDFLAGS}
895     _cppflags=${CPPFLAGS}
896
897     # Add additional search path
898     LDFLAGS="-L$with_readline/lib $LDFLAGS"
899     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
900
901     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
902     AC_CHECK_HEADERS(readline/history.h)
903
904     AC_CHECK_HEADERS(readline.h readline/readline.h,[
905       for termlib in ncurses curses termcap terminfo termlib; do
906        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
907       done
908       AC_CHECK_LIB(readline, rl_callback_handler_install,
909        [TERMLDFLAGS="-L$with_readline/lib"
910        TERMCPPFLAGS="-I$with_readline/include"
911        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
912        TERMLIBS="-lreadline $TERMLIBS"
913        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
914        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
915
916     LDFLAGS=$_ldflags
917     ;;
918   esac],
919   AC_MSG_RESULT(no)
920 )
921 AC_SUBST(TERMLIBS)
922 AC_SUBST(TERMLDFLAGS)
923
924 # The readline API changed slightly from readline3 to readline4, so
925 # code will generate warnings on one of them unless we have a few
926 # special cases.
927 AC_CHECK_LIB(readline, rl_completion_matches,
928              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
929                         [Do we have rl_completion_matches?])],
930              [],
931              [$TERMLIBS])
932
933 # not all readline libs have rl_event_hook or history_list
934 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
935 AC_CHECK_LIB(readline, history_list,
936              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
937              [],
938              [$TERMLIBS])
939
940 ###############################################
941 # test for where we get yp_get_default_domain() from
942 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
943 AC_CHECK_FUNCS(yp_get_default_domain)
944
945 # Check if we have execl, if not we need to compile smbrun.
946 AC_CHECK_FUNCS(execl)
947 if test x"$ac_cv_func_execl" = x"no"; then
948     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun"
949 fi
950
951 AC_CHECK_FUNCS(getcwd fchown chmod fchmod mknod mknod64)
952 AC_CHECK_FUNCS(strtol)
953 AC_CHECK_FUNCS(strchr chflags)
954 AC_CHECK_FUNCS(getrlimit fsync setpgid)
955 AC_CHECK_FUNCS(fdatasync,,[AC_CHECK_LIB_EXT(rt, LIBS, fdatasync)])
956 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
957 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
958 AC_CHECK_FUNCS(initgroups select rdchk getgrnam getgrent pathconf)
959 AC_CHECK_FUNCS(getgrset)
960 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups syscall sysconf)
961 AC_CHECK_FUNCS(atexit grantpt posix_fallocate)
962 AC_CHECK_FUNCS(fallocate)
963 AC_CHECK_FUNCS(fseeko setluid getpwanam)
964 AC_CHECK_FUNCS(fdopendir)
965 AC_CHECK_FUNCS(getpwent_r)
966 AC_CHECK_FUNCS(setenv strcasecmp fcvt fcvtl)
967 AC_CHECK_FUNCS(syslog vsyslog timegm)
968 AC_CHECK_FUNCS(setlocale)
969 AC_CHECK_FUNCS(nanosleep,,[AC_CHECK_LIB_EXT(rt, LIBS, nanosleep)])
970 AC_CHECK_FUNCS(lutimes futimes utimensat futimens)
971 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
972 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
973 AC_CHECK_HEADERS(sys/mman.h)
974 # setbuffer, shmget, shm_open are needed for smbtorture
975 AC_CHECK_FUNCS(shmget shm_open)
976 AC_CHECK_FUNCS(gettext dgettext)
977 AC_CHECK_FUNCS(bindtextdomain textdomain bind_textdomain_codeset)
978 AC_CHECK_FUNCS(strupr)
979
980 # Find a method of generating a stack trace
981 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
982 # libexecinfo provides backtrace_symbols on FreeBSD
983 AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
984 AC_CHECK_FUNCS(backtrace_symbols)
985 AC_CHECK_LIB(exc, trace_back_stack)
986
987 # check for sysctlbyname and sysctl for BSD systems
988 AC_CHECK_FUNCS(sysctlbyname)
989 AC_CHECK_FUNCS(sysctl)
990
991 #################################################
992 # Check to see if core dump directory is defined in linux
993 # with /proc/sys/kernel/core_pattern
994
995 AC_CHECK_FILE([/proc/sys/kernel/core_pattern],
996         AC_DEFINE(HAVE_SYS_KERNEL_PROC_CORE_PATTERN, 1,
997         [Whether Linux kernel uses core_pattern for core files]),
998          [])
999
1000 #############################
1001 # check if building with gpfs
1002 AC_CHECK_HEADERS(gpfs_gpl.h)
1003 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes"; then
1004     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL headers are available])
1005     default_shared_modules="$default_shared_modules vfs_gpfs"
1006 fi
1007
1008 # Note that all the libunwind symbols in the API are defined to internal
1009 # platform-specific version, so we must include libunwind.h before checking
1010 # any of them.
1011 AC_MSG_CHECKING([for libunwind])
1012 save_LIBS=$LIBS
1013
1014 UNWIND_ARCH="unknown"
1015 if test x"$UNAME_I" != x"unknown"; then
1016         UNWIND_ARCH="$UNAME_I"
1017 elif test x"$UNAME_M" != x"unknown"; then
1018         UNWIND_ARCH="$UNAME_M"
1019 elif test x"$UNAME_P" != x"unknown"; then
1020         UNWIND_ARCH="$UNAME_P"
1021 fi
1022
1023 case "$UNWIND_ARCH" in
1024         unknown)
1025                 # This probably won't link without
1026                 # the platform-specific libunwind.
1027                 LIBS="$LIBS -lunwind"
1028                 ;;
1029         i386|i586|i686)
1030                 # Add the platform-specific libunwind module.
1031                 LIBS="$LIBS -lunwind -lunwind-x86"
1032                 ;;
1033         *)
1034                 # Add the platform-specific libunwind module.
1035                 # based on uname -i, uname -m or uname -p
1036                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1037                 ;;
1038 esac
1039
1040 AC_TRY_LINK(
1041     [
1042 #ifdef HAVE_LIBUNWIND_H
1043 #include <libunwind.h>
1044 #endif
1045     ],
1046     [
1047         unw_context_t ctx; unw_cursor_t cur;
1048         char buf[256]; unw_word_t off;
1049         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1050         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1051     ],
1052     [
1053         AC_MSG_RESULT(yes)
1054         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1055
1056         # If we have libunwind, test whether we also have libunwind-ptrace
1057         # which would let us unwind arbitrary processes.
1058         save_LIBS=$LIBS
1059         AC_CHECK_HEADERS(libunwind-ptrace.h)
1060         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1061             [
1062                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1063                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1064                     [Whether libunwind-ptrace.a is available.])
1065             ],
1066             [ LIBUNWIND_PTRACE="" ])
1067
1068         LIBS=$save_LIBS
1069     ],
1070     [
1071         AC_MSG_RESULT(no)
1072         LIBS=$save_LIBS
1073     ])
1074
1075 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1076 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1077     AC_CHECK_HEADERS(sys/ptrace.h)
1078     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1079     AC_TRY_LINK(
1080             [
1081 #if HAVE_SYS_TYPES_H
1082 #include <sys/types.h>
1083 #endif
1084 #if HAVE_SYS_PTRACE_H
1085 #include <sys/ptrace.h>
1086 #endif
1087             ],
1088             [
1089                 pid_t me = (pid_t)-1;
1090                 ptrace(PTRACE_ATTACH, me, 0, 0);
1091                 ptrace(PTRACE_DETACH, me, 0, 0);
1092                 return 0;
1093             ],
1094             [
1095                 AC_MSG_RESULT(yes)
1096                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1097                     [Whether the Linux ptrace(2) interface is available.])
1098             ],
1099             [
1100                 AC_MSG_RESULT(no)
1101                 LIBUNWIND_PTRACE=""
1102             ])
1103 fi
1104
1105 AC_SUBST(LIBUNWIND_PTRACE)
1106
1107 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1108 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1109 AC_CHECK_FUNCS(__getcwd _getcwd)
1110 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1111 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1112 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1113 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1114 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1115 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1116 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek)
1117 AC_CHECK_FUNCS(pread _pread __pread)
1118 AC_CHECK_FUNCS(pwrite _pwrite __pwrite)
1119 AC_CHECK_FUNCS(prctl)
1120
1121 AC_TRY_COMPILE([
1122 #ifdef HAVE_SYS_PRCTL_H
1123 #include <sys/prctl.h>
1124 #endif
1125 ],
1126 [int i; i = prtcl(0); ],
1127 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1128
1129 #
1130 #
1131 #
1132 case "$host_os" in
1133     *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
1134        # glibc <= 2.3.2 has a broken getgrouplist
1135        AC_CACHE_CHECK([for good getgrouplist],samba_cv_linux_getgrouplist_ok,[AC_TRY_RUN([
1136 #include <unistd.h>
1137 #include <sys/utsname.h>
1138 main() {
1139        /* glibc up to 2.3 has a broken getgrouplist */
1140 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1141        int libc_major = __GLIBC__;
1142        int libc_minor = __GLIBC_MINOR__;
1143
1144        if (libc_major < 2)
1145               return(1);
1146        if ((libc_major == 2) && (libc_minor <= 3))
1147               return(1);
1148 #endif
1149        return(0);
1150 }
1151 ], [samba_cv_linux_getgrouplist_ok=yes],
1152    [samba_cv_linux_getgrouplist_ok=no],
1153    [samba_cv_linux_getgrouplist_ok=cross])])
1154        if test x"$samba_cv_linux_getgrouplist_ok" = x"yes"; then
1155           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1156        fi
1157        ;;
1158     *)
1159        AC_CHECK_FUNCS(getgrouplist)
1160        ;;
1161 esac
1162
1163 #################################################
1164 # Check whether struct stat has timestamps with sub-second resolution.
1165 #
1166
1167 samba_cv_stat_hires=no
1168 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec], # Linux, Solaris
1169         [samba_cv_stat_hires=yes])
1170 AC_CHECK_MEMBERS([struct stat.st_mtimensec], # BSD, if defined _POSIX_SOURCE
1171         [samba_cv_stat_hires=yes])
1172 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec], # BSD, if not defined _POSIX_SOURCE
1173         [samba_cv_stat_hires=yes])
1174 AC_CHECK_MEMBERS([struct stat.st_mtime_n], # AIX
1175         [samba_cv_stat_hires=yes])
1176 AC_CHECK_MEMBERS([struct stat.st_umtime], # Tru64
1177         [samba_cv_stat_hires=yes])
1178
1179 if test x"$samba_cv_stat_hires" = x"yes" ; then
1180     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1181             [whether struct stat has sub-second timestamps])
1182 fi
1183
1184 # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1185 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
1186 AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
1187
1188
1189 AC_CACHE_CHECK([whether there is DOS flags support in the stat struct], samba_cv_stat_dos_flags,
1190     [
1191         AC_TRY_COMPILE(
1192             [#include <sys/stat.h>],
1193             [
1194                 int a = UF_DOS_ARCHIVE;
1195                 int h = UF_DOS_HIDDEN;
1196                 int r = UF_DOS_RO;
1197                 int s = UF_DOS_SYSTEM;
1198                 int i = UF_DOS_NOINDEX;
1199                 int f = UF_DOS_FLAGS;
1200             ],
1201             samba_cv_stat_dos_flags=yes, samba_cv_stat_dos_flags=no)
1202     ])
1203
1204 if test x"$samba_cv_stat_dos_flags" = x"yes" ; then
1205     AC_DEFINE(HAVE_STAT_DOS_FLAGS, 1, [whether there is DOS flags support in the stat struct])
1206 fi
1207
1208 AC_CACHE_CHECK([whether we can compile with __attribute__((destructor))],
1209                samba_cv_function_attribute_destructor,
1210                [
1211                  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
1212                         [
1213                                 __attribute__((destructor))
1214                                 static void cleanup(void) { }
1215                         ])],
1216                         samba_cv_function_attribute_destructor=yes)
1217                 ])
1218
1219 if test x"$samba_cv_function_attribute_destructor" = xyes ; then
1220    AC_DEFINE(HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR, 1,
1221              [whether we can compile with __attribute__((destructor))])
1222 fi
1223
1224 #####################################
1225 # needed for SRV lookups
1226 AC_CHECK_LIB(resolv, dn_expand)
1227 AC_CHECK_LIB(resolv, _dn_expand)
1228 AC_CHECK_LIB(resolv, __dn_expand)
1229
1230 #
1231 # Check for the functions putprpwnam, set_auth_parameters,
1232 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1233 # Needed for OSF1 and HPUX.
1234 #
1235
1236 AC_LIBTESTFUNC(security, putprpwnam)
1237 AC_LIBTESTFUNC(sec, putprpwnam)
1238
1239 AC_LIBTESTFUNC(security, set_auth_parameters)
1240 AC_LIBTESTFUNC(sec, set_auth_parameters)
1241
1242 # UnixWare 7.x has its getspnam in -lgen
1243 AC_LIBTESTFUNC(gen, getspnam)
1244
1245 AC_LIBTESTFUNC(security, getspnam)
1246 AC_LIBTESTFUNC(sec, getspnam)
1247
1248 AC_LIBTESTFUNC(security, bigcrypt)
1249 AC_LIBTESTFUNC(sec, bigcrypt)
1250
1251 AC_LIBTESTFUNC(security, getprpwnam)
1252 AC_LIBTESTFUNC(sec, getprpwnam)
1253
1254 AC_CHECK_FUNCS(strsignal)
1255
1256 AC_DISABLE_STATIC
1257 AC_ENABLE_SHARED
1258
1259 # Set defaults
1260 PIE_CFLAGS=""
1261 PIE_LDFLAGS=""
1262 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1263
1264 if test "x$enable_pie" != xno
1265 then
1266         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1267         [
1268                 cat > conftest.c <<EOF
1269 int foo;
1270 int main () { return 0;}
1271 EOF
1272                 if AC_TRY_COMMAND_NO_STDERR([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c])
1273                 then
1274                         samba_cv_fpie=yes
1275                 else
1276                         samba_cv_fpie=no
1277                 fi
1278                 rm -f conftest*
1279         ])
1280         if test x"${samba_cv_fpie}" = x"yes"
1281         then
1282                 PIE_CFLAGS="-fPIE"
1283                 PIE_LDFLAGS="-pie"
1284         fi
1285 fi
1286
1287 # Set defaults
1288 RELRO_LDFLAGS=""
1289 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1290
1291 if test "x$enable_relro" != xno
1292 then
1293         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1294         [
1295                 cat > conftest.c <<EOF
1296 int foo;
1297 main () { return 0;}
1298 EOF
1299                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1300                 then
1301                         samba_cv_relro=yes
1302                 else
1303                         samba_cv_relro=no
1304                 fi
1305                 rm -f conftest*
1306         ])
1307         if test x"${samba_cv_relro}" = x"yes"
1308         then
1309                 RELRO_LDFLAGS="-Wl,-z,relro"
1310         fi
1311 fi
1312
1313 # Set defaults
1314 SYMSEXT="syms"
1315 AC_SUBST(SYMSEXT)
1316
1317 # Assume non-shared by default and override below
1318 BLDSHARED="false"
1319
1320 # these are the defaults, good for lots of systems
1321 HOST_OS="$host_os"
1322 LDSHFLAGS="-shared"
1323 MODULE_EXPORTS=""
1324 SONAMEFLAG="#"
1325 SHLD="\${CC} \${CFLAGS}"
1326 PICFLAG="${PIE_CFLAGS}"
1327 SHLIBEXT="so"
1328 DSO_EXPORTS=""
1329
1330 # this bit needs to be modified for each OS that supports share libs
1331 # You need to specify how to create a shared library and
1332   # how to compile C code to produce PIC object files
1333
1334   AC_MSG_CHECKING([ability to build shared libraries])
1335
1336   # and these are for particular systems
1337   case "$host_os" in
1338                 *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
1339                         case "$host_os" in
1340                                 *linux*) AC_DEFINE(LINUX,1,[Whether the host os is linux]) ;;
1341                                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx]) ;;
1342                         esac
1343                         BLDSHARED="true"
1344                         LDSHFLAGS="-shared -Wl,-Bsymbolic"
1345                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1346                                 LDSHFLAGS_Z_NODEFS="-Wl,--allow-shlib-undefined"
1347                         fi
1348                         DYNEXP="-Wl,--export-dynamic"
1349                         PICFLAG="-fPIC"
1350                         SONAMEFLAG="-Wl,-soname="
1351                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1352                         ;;
1353                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1354                         BLDSHARED="true"
1355                         if test "${GCC}" = "yes"; then
1356                                 PICFLAG="-fPIC"
1357                                 SONAMEFLAG="-Wl,-soname="
1358                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1359                                         DYNEXP="-Wl,-E"
1360                                 fi
1361                                 LDSHFLAGS="-shared"
1362                         else
1363                                 PICFLAG="-KPIC"
1364                                 LDSHFLAGS="-G"
1365                         fi
1366                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1367                                 SONAMEFLAG="-Wl,-soname="
1368                         else
1369                                 SONAMEFLAG="-Wl,-h,"
1370                         fi
1371                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1372                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1373                         ;;
1374                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1375                         BLDSHARED="true"
1376                         LDSHFLAGS="-G"
1377                         SONAMEFLAG="-Wl,-h,"
1378                         PICFLAG="-KPIC"   # Is this correct for SunOS
1379                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1380                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1381                         ;;
1382                 *netbsd* | *freebsd* | *dragonfly* )
1383                         BLDSHARED="true"
1384                         LDSHFLAGS="-shared"
1385                         DYNEXP="-Wl,--export-dynamic"
1386                         SONAMEFLAG="-Wl,-soname,"
1387                         PICFLAG="-fPIC -DPIC"
1388                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1389                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1390                         ;;
1391                 *openbsd*)  BLDSHARED="true"
1392                         LDSHFLAGS="-shared"
1393                         DYNEXP="-Wl,-Bdynamic"
1394                         SONAMEFLAG="-Wl,-soname,"
1395                         PICFLAG="-fPIC"
1396                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1397                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1398                         ;;
1399                 *irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
1400                         case "$host_os" in
1401                         *irix6*) AC_DEFINE(IRIX6,1,[Whether the host os is irix6])
1402                         ;;
1403                         esac
1404                         BLDSHARED="true"
1405                         LDSHFLAGS="-Wl,-set_version,sgi1.0 -shared"
1406                         SONAMEFLAG="-Wl,-soname,"
1407                         if test "${GCC}" = "yes"; then
1408                                 PICFLAG="-fPIC"
1409                         else
1410                                 PICFLAG="-KPIC"
1411                         fi
1412                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1413                         ;;
1414                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1415                         BLDSHARED="true"
1416                         # use expfull to export underscored symbols
1417                         # add rtl to remove /lib/crt0.o warning
1418                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1419                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1420                         PICFLAG="-O2"
1421                         # as AIX code is always position independent...
1422                         # .po will just create compile warnings, use po.o:
1423                         if test "${GCC}" != "yes"; then
1424                                 ## for funky AIX compiler using strncpy()
1425                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000 -qhalt=e"
1426                         fi
1427
1428                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1429                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1430                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1431                         ;;
1432                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1433                         # ia64: 64bit build using gcc with CFLAGS="-mpl64"
1434                         #       64bit build using HP's cc with CFLAGS="+DD64"
1435                         # hppa: 64bit build unsupported by gcc
1436                         #       64bit build using HP's cc with CFLAGS="+DA2.0w"
1437                         # HP-UX 11.00 ld needs PHSS_33034
1438                         BLDSHARED="true"
1439                         if test "${GCC}" = "yes"; then
1440                                 PICFLAG="-fPIC"
1441                                 LDSHFLAGS="-shared"
1442                         else
1443                                 PICFLAG="+z"
1444                                 LDSHFLAGS="-b"
1445                                 # "Uses depth-first symbol resolution"
1446                                 LDSHFLAGS="$LDSHFLAGS -Wl,-B,symbolic,-b"
1447                                 if test "$host_cpu" != "ia64"; then
1448                                         # "don't store literals in read-only memory" (?):
1449                                         PICFLAG="$PICFLAG +ESnolit"
1450                                 fi
1451                         fi
1452                         if test "$host_cpu" = "ia64"; then
1453                                 SHLIBEXT="so"
1454                                 # TODO: does the linker find the right 32/64 bit version of the libs? :
1455                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32:/usr/local/lib/hpux64:/usr/lib/hpux64"
1456                         else
1457                                 SHLIBEXT="sl"
1458                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1459                         fi
1460                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1461                                 SONAMEFLAG="-Wl,-soname="
1462                         else
1463                                 SONAMEFLAG="-Wl,+h,"
1464                         fi
1465                         # PIE/PIC flags at link time are required on HP-UX because
1466                         # linking requires a temporary source file, which is being
1467                         # compiled with the indicated flags - which need to contain
1468                         # PIC flags when we don't support PIE flags:
1469                         if test "$PIE_LDFLAGS" = "" ; then
1470                                 PIE_LDFLAGS=\${PICFLAG}
1471                         fi
1472                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1473                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1474                         ;;
1475                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1476                         BLDSHARED="true"
1477                         LDSHFLAGS="-shared"
1478                         SONAMEFLAG="-Wl,-soname,"
1479                         if test "${GCC}" = "yes"; then
1480                                 PICFLAG="-fPIC"
1481                         fi
1482                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1483                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1484                         for flags in "-expect_unresolved '*'" "-Wl,-expect_unresolved,'*'" ; do
1485                                 saved_ldflags="$LDFLAGS"
1486                                 AC_MSG_CHECKING([if $flags works])
1487                                 LDFLAGS="$flags $saved_ldflags"
1488                                 AC_TRY_LINK([],[],
1489                                         [AC_MSG_RESULT([yes])
1490                                         LDSHFLAGS_Z_NODEFS=$flags],
1491                                         AC_MSG_RESULT([no]))
1492                                 LDFLAGS="$saved_ldflags"
1493                                 test x"$LDSHFLAGS_Z_NODEFS" != x && break
1494                         done
1495                         ;;
1496                 *sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
1497                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1498                         ;;
1499                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1500                         BLDSHARED="true"
1501                         LDSHFLAGS="-shared"
1502                         SONAMEFLAG="-Wl,-soname,"
1503                         PICFLAG="-KPIC"
1504                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1505                         ;;
1506                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1507                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1508                         ;;
1509                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1510                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1511                         ;;
1512                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1513                         case "$host" in
1514                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1515                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1516                                         fi
1517                                         LDSHFLAGS="-G"
1518                                         DYNEXP="-Bexport"
1519                                 ;;
1520                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1521                         esac
1522                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1523                         ;;
1524
1525                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1526                         if [ test "$GCC" != yes ]; then
1527                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1528                         fi
1529                         LDSHFLAGS="-G"
1530                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1531                         ;;
1532                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1533                         BLDSHARED="false"
1534                         LDSHFLAGS=""
1535                         ;;
1536
1537                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1538                         BLDSHARED="true"
1539                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1540                         CFLAGS="$CFLAGS -fno-common"
1541                         SHLD="\${CC}"
1542                         SHLIBEXT="dylib"
1543                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1544                         SHLIBEXT="dylib"
1545                         # Since gcc doesn't fail on unrecognised options, the
1546                         # PIE test incorrectly succeeds. Darwin gcc does not
1547                         # actually support the PIE stuff.
1548                         PIE_LDFLAGS=
1549                         PIE_CFLAGS=
1550                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1551                         ;;
1552
1553                 *)
1554                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1555                         ;;
1556   esac
1557
1558 if test "$enable_shared" != "yes"; then
1559         BLDSHARED=false
1560 fi
1561
1562 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1563         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1564 fi
1565
1566 if test x"$BLDSHARED" = x"true" ; then
1567         LDFLAGS="$LDFLAGS -L./bin"
1568 fi
1569
1570 AC_MSG_RESULT($BLDSHARED)
1571
1572 if test x"$enable_developer" = x"yes" ; then
1573         default_as_needed=auto
1574 else
1575         default_as_needed=no
1576 fi
1577 AC_ARG_ENABLE(as-needed,
1578         AS_HELP_STRING([--enable-as-needed],
1579         [Turn on as-needed support if available (default=no)]),
1580         [enable_as_needed=$enableval],
1581         [enable_as_needed=$default_as_needed])
1582 if test "x$enable_as_needed" != xno; then
1583     saved_before_as_needed_ldflags="$LDFLAGS"
1584     for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do
1585         saved_ldflags="$LDFLAGS"
1586         AC_MSG_CHECKING([if $flags works])
1587         LDFLAGS="$flags $saved_ldflags"
1588         AC_TRY_LINK([],[],
1589                 [AC_MSG_RESULT([yes])
1590                 LD_AS_NEEDED_FLAG=$flags
1591                 ld_as_needed_flag_found=yes],
1592                 AC_MSG_RESULT([no]))
1593         LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags"
1594         test x"$ld_as_needed_flag_found" = xyes && break
1595     done
1596 fi
1597
1598 if test x$ld_as_needed_flag_found = xyes -a x$enable_as_needed = xauto ; then
1599 # check if ld has bug described in https://bugzilla.samba.org/show_bug.cgi?id=7209#c17
1600         AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG has explicit external libs bug])
1601 cat > conftest_shb.c <<END
1602 void b() {}
1603 END
1604 cat > conftest_sha.c <<END
1605 extern void b();
1606 void a() {
1607         b();
1608 }
1609 END
1610 cat > conftest.c <<END
1611 extern void a();
1612 int main() {
1613         a();
1614         return 0;
1615 }
1616 END
1617
1618         rm -fr conftest
1619         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_sha.o conftest_sha.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1620         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_shb.o conftest_shb.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1621         TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1622         AC_TRY_COMMAND([$TESTCMD -o libconftest_shb.$SHLIBEXT conftest_shb.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1623         AC_TRY_COMMAND([$TESTCMD -o libconftest_sha.$SHLIBEXT conftest_sha.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1624         AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
1625         if AC_TRY_COMMAND([eval "$LIB_PATH_VAR=. ./conftest 1>&AS_MESSAGE_LOG_FD 2>&1"])
1626         then
1627                 AC_MSG_RESULT([no])
1628         else
1629                 ld_as_needed_flag_found=no
1630                 LDFLAGS="$saved_before_as_needed_ldflags"
1631                 AC_MSG_RESULT([yes])
1632         fi
1633         rm conftest* libconftest*
1634 fi
1635
1636 # check if we have to disable LD_AS_NEEDED_FLAG:
1637 # On some systems for a veriety of reasons linking with
1638 # -Wl,--as-needed -lreadline -lncurses fails
1639 # we have to retest, if these combination is detected before.
1640 # Bugzilla #7209
1641
1642 if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then
1643         if test x$ld_as_needed_flag_found = xyes ; then
1644                 AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline])
1645                 # try if check no fails
1646                 save_LIBS=$LIBS
1647                 LIBS="$LIBS $TERMLIBS"
1648                 AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"])
1649                 LIBS="$save_LIBS"
1650         fi
1651 fi
1652
1653
1654
1655 # for historical reasons almost all linkers don't complain about unresolved
1656 # symbols in shared libs. Except for the internal samba modules we want to get
1657 # errors when we produce a shared lib with unresolved symbols. On some
1658 # platforms unresolved symbols might be intended, so we might have to add
1659 # platform specific exceptions here.
1660
1661 for flags in "-Wl,-z,defs" "-error_unresolved" "-Wl,-error_unresolved" ; do
1662         saved_ldflags="$LDFLAGS"
1663         AC_MSG_CHECKING([if $flags works])
1664         LDFLAGS="$flags $saved_ldflags"
1665         AC_TRY_LINK([],[],
1666         [AC_MSG_RESULT([yes])
1667         LDSHFLAGS_Z_DEFS=$flags
1668         ldshflags_z_defs_found=yes],
1669         AC_MSG_RESULT([no]))
1670         LDFLAGS=$saved_ldflags
1671         test x"$ldshflags_z_defs_found" = xyes && break
1672 done
1673
1674 AC_MSG_CHECKING([LDSHFLAGS_Z_DEFS])
1675 AC_MSG_RESULT([$LDSHFLAGS_Z_DEFS])
1676 AC_MSG_CHECKING([LDFLAGS])
1677 AC_MSG_RESULT([$LDFLAGS])
1678 AC_MSG_CHECKING([DYNEXP])
1679 AC_MSG_RESULT([$DYNEXP])
1680
1681 #######################################################
1682 # test whether building a shared library actually works
1683 if test $BLDSHARED = true; then
1684
1685 AC_MSG_CHECKING([SHLD])
1686 AC_MSG_RESULT([$SHLD])
1687 AC_MSG_CHECKING([LDSHFLAGS])
1688 AC_MSG_RESULT([$LDSHFLAGS])
1689
1690 AC_MSG_CHECKING([SHLIBEXT])
1691 AC_MSG_RESULT([$SHLIBEXT])
1692 AC_MSG_CHECKING([SONAMEFLAG])
1693 AC_MSG_RESULT([$SONAMEFLAG])
1694
1695 AC_MSG_CHECKING([PICFLAG])
1696 AC_MSG_RESULT([$PICFLAG])
1697
1698 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1699 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1700
1701 AC_CACHE_CHECK([whether building shared libraries actually works],
1702                [ac_cv_shlib_works],[
1703    # try building a trivial shared library
1704    ac_cv_shlib_works=no
1705    # The $SHLD and $LDSHFLAGS variables may contain references to other
1706    # variables so they need to be eval'ed.
1707    if AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.o ${srcdir-.}/../tests/shlib.c 1>&AS_MESSAGE_LOG_FD])
1708    then
1709      TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1710      TESTCMD="$TESTCMD -o \"shlib.$SHLIBEXT\" shlib.o"
1711      if AC_TRY_COMMAND([eval $TESTCMD 1>&AS_MESSAGE_LOG_FD 2>&1])
1712      then
1713        ac_cv_shlib_works=yes
1714      fi
1715    fi
1716    rm -f "shlib.$SHLIBEXT" shlib.o
1717
1718 ])
1719 if test $ac_cv_shlib_works = no; then
1720    BLDSHARED=false
1721 fi
1722 fi
1723
1724 if test x"$BLDSHARED" != x"true"; then
1725         LDSHFLAGS="shared-libraries-disabled"
1726         SONAMEFLAG="shared-libraries-disabled"
1727         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1728         SHLD="shared-libraries-disabled"
1729         PICFLAG="${PIE_CFLAGS}"
1730         SHLIBEXT="shared_libraries_disabled"
1731         smbtorture4_possible=no
1732 fi
1733
1734 AC_MSG_CHECKING([used PICFLAG])
1735 AC_MSG_RESULT([$PICFLAG])
1736
1737 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
1738
1739
1740
1741 ###########################################################
1742 #
1743 # Configuration of subsystems / libraries
1744 #
1745 ###########################################################
1746
1747 INSTALLLIBCMD_SH=:
1748 INSTALLLIBCMD_A=:
1749 UNINSTALLLIBCMD_SH=:
1750 UNINSTALLLIBCMD_A=:
1751
1752 if test $BLDSHARED = true; then
1753         INSTALLLIBCMD_SH="\$(INSTALLCMD)"
1754         UNINSTALLLIBCMD_SH="rm -f"
1755 fi
1756 if test $enable_static = yes; then
1757         INSTALLLIBCMD_A="\$(INSTALLCMD)"
1758         UNINSTALLLIBCMD_A="rm -f"
1759 fi
1760
1761 #################################################
1762 # --disable-shared-libs
1763 # can be used to disable the internal use of shared libs altogether
1764 # (this only has an effect when building shared libs is enabled)
1765 #
1766 USESHARED=false
1767 AC_SUBST(USESHARED)
1768
1769 AC_MSG_CHECKING(whether to use shared libraries internally)
1770 AC_ARG_ENABLE([shared-libs],
1771         AS_HELP_STRING([--enable-shared-libs],
1772                 [Use shared libraries internally (default=yes)]),
1773         [enable_shared_libs=$enableval],
1774         [enable_shared_libs=yes])
1775
1776 if test x"$enable_shared_libs" != x"no" ; then
1777         USESHARED=$BLDSHARED
1778 fi
1779
1780 AC_MSG_RESULT([$USESHARED])
1781
1782 if test x"$enable_shared_libs" = x"yes" -a x"$BLDSHARED" != x"true" ; then
1783         AC_MSG_WARN([--enable-shared-libs: no support for shared libraries])
1784 fi
1785
1786 #################################################
1787 # --with-static-libs=LIBS:
1788 #   link (internal) libs dynamically or statically?
1789 #
1790 # If a subsystem is built as a library then this controls whether they are
1791 # linked into Samba targets statically or dynamically:
1792 #
1793 # * If we build the shared library at all, we link dynamically by default.
1794 #
1795 # * We only link statically if we don't build shared or if the library
1796 #   appears in the --with-static-libs configure option.
1797 #
1798 # Example:
1799 #   --with-static-libs=libtalloc makes use of libtalloc.a instead
1800 #   of linking the dynamic variant with -ltalloc.
1801 #
1802 # NOTE: This option only affects libraries that we do not only build
1803 # but that samba also links against as libraries (as opposed to linking
1804 # the plain object files. - This has to be configured in Makefile.in.
1805 # So in particular it does not harm to give invalid or unknown names here.
1806 #
1807
1808 AC_ARG_WITH([static-libs],
1809         [AS_HELP_STRING([--with-static-libs=LIBS],
1810                 [Comma-separated list of names of (internal) libraries to link statically (instead of dynamically)])],
1811         [AS_IF([test $withval],
1812                 [for lib in `echo $withval | sed -e 's/,/ /g'` ; do
1813                         [lib=`echo $lib | tr '[a-z]' '[A-Z]'`]
1814                         eval LINK_$lib=STATIC
1815                 done], [])],
1816         [])
1817
1818 #
1819 # WORKAROUND:
1820 #   until we have organized other internal subsystems (as util, registry
1821 #   and smbconf) into shared libraries, we CAN NOT link libnetapi
1822 #   dynamically to samba programs.
1823 #
1824 LINK_LIBNETAPI=STATIC
1825
1826 LINK_LIBSMBCLIENT=STATIC
1827
1828 #
1829 #  The library versions are hardcoded here
1830 #  and filled into the LIBFOO_SOVER variable.
1831 #
1832 #  TODO: for talloc and tdb (at least), these should
1833 #  be extracted from their respective source directories
1834 #
1835 AC_ARG_ENABLE(external_libtalloc,
1836         [AS_HELP_STRING([--enable-external-libtalloc],
1837                 [Enable external talloc [default=auto]])],
1838         [ enable_external_libtalloc=$enableval ],
1839         [ enable_external_libtalloc=auto ])
1840
1841 if test "x$enable_external_libtalloc" != xno
1842 then
1843         PKG_CHECK_MODULES(LIBTALLOC, talloc >= 2.0.1,
1844                 [ enable_external_libtalloc=yes ],
1845                 [ if test x$enable_external_libtalloc = xyes; then
1846                         AC_MSG_ERROR([Unable to find libtalloc])
1847                   else
1848                         enable_external_libtalloc=no
1849                   fi
1850                 ])
1851 fi
1852
1853 if test "x$enable_external_libtalloc" = xno
1854 then
1855         m4_include(../lib/talloc/libtalloc.m4)
1856         LINK_LIBTALLOC=STATIC
1857         LIBTALLOCVERSION=`grep ^VERSION ${tallocdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1858         SMB_LIBRARY(talloc, 2, ${LIBTALLOCVERSION})
1859         LIBTALLOC_OBJ0=""
1860         for obj in ${TALLOC_OBJ}; do
1861                 LIBTALLOC_OBJ0="${LIBTALLOC_OBJ0} ${tallocdir}/${obj}"
1862         done
1863         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
1864         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TALLOC_CFLAGS}"
1865         AC_SUBST(LIBTALLOC_OBJ0)
1866
1867         TALLOCTORT="bin/talloctort"
1868         AC_SUBST(TALLOCTORT)
1869 fi
1870
1871
1872 AC_ARG_ENABLE(external_libtdb,
1873         [AS_HELP_STRING([--enable-external-libtdb],
1874                 [Enable external tdb [default=auto]])],
1875                 [ enable_external_libtdb=$enableval ],
1876                 [ enable_external_libtdb=auto ])
1877
1878 if test "x$enable_external_libtdb" != xno
1879 then
1880         PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.6,
1881                 [ enable_external_libtdb=yes ],
1882                 [
1883                 if test x$enable_external_libtdb = xyes; then
1884                         AC_MSG_ERROR([Unable to find libtdb])
1885                 else
1886                         enable_external_libtdb=no
1887                 fi
1888                 ])
1889 fi
1890
1891 AC_SUBST(LIBTDB_OBJ0)
1892 if test "x$enable_external_libtdb" = xno
1893 then
1894         m4_include(../lib/tdb/libtdb.m4)
1895         LINK_LIBTDB=STATIC
1896         LIBTDBVERSION=`grep ^VERSION ${tdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1897         SMB_LIBRARY(tdb, 1, ${LIBTDBVERSION})
1898         LIBTDB_OBJ0=""
1899         LIBTDB_LIBS="$LIBTDB_LIBS $TDB_DEPS"
1900         for obj in ${TDB_OBJ}; do
1901                 LIBTDB_OBJ0="${LIBTDB_OBJ0} ${tdbdir}/${obj}"
1902         done
1903         AC_SUBST(LIBTDB_OBJ0)
1904         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
1905         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TDB_CFLAGS}"
1906
1907         TDBBACKUP="bin/tdbbackup"
1908         AC_SUBST(TDBBACKUP)
1909         TDBDUMP="bin/tdbdump"
1910         AC_SUBST(TDBDUMP)
1911         TDBRESTORE="bin/tdbrestore"
1912         AC_SUBST(TDBRESTORE)
1913         TDBTOOL="bin/tdbtool"
1914         AC_SUBST(TDBTOOL)
1915         TDBTORTURE="bin/tdbtorture"
1916         AC_SUBST(TDBTORTURE)
1917 fi
1918
1919 AC_ARG_ENABLE(external_libntdb,
1920         [AS_HELP_STRING([--enable-external-libntdb],
1921                 [Enable external ntdb [default=auto]])],
1922                 [ enable_external_libntdb=$enableval ],
1923                 [ enable_external_libntdb=auto ])
1924
1925 if test "x$enable_external_libntdb" != xno
1926 then
1927         PKG_CHECK_MODULES(LIBNTDB, ntdb >= 1.0,
1928                 [ enable_external_libntdb=yes ],
1929                 [
1930                 if test x$enable_external_libntdb = xyes; then
1931                         AC_MSG_ERROR([Unable to find libntdb])
1932                 else
1933                         enable_external_libntdb=no
1934                 fi
1935                 ])
1936 fi
1937
1938 AC_SUBST(LIBNTDB_OBJ0)
1939 if test "x$enable_external_libntdb" = xno
1940 then
1941         m4_include(../lib/ntdb/libntdb.m4)
1942         LINK_LIBNTDB=STATIC
1943         LIBNTDBVERSION=`grep ^VERSION ${ntdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1944         SMB_LIBRARY(ntdb, 1, ${LIBNTDBVERSION})
1945         LIBNTDB_OBJ0=""
1946         LIBNTDB_LIBS="$LIBNTDB_LIBS $NTDB_DEPS"
1947         for obj in ${NTDB_OBJ}; do
1948                 LIBNTDB_OBJ0="${LIBNTDB_OBJ0} ${ntdbdir}/${obj}"
1949         done
1950         AC_SUBST(LIBNTDB_OBJ0)
1951         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${NTDB_CFLAGS}"
1952         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${NTDB_CFLAGS}"
1953
1954         NTDBBACKUP="bin/ntdbbackup"
1955         AC_SUBST(NTDBBACKUP)
1956         NTDBDUMP="bin/ntdbdump"
1957         AC_SUBST(NTDBDUMP)
1958         NTDBRESTORE="bin/ntdbrestore"
1959         AC_SUBST(NTDBRESTORE)
1960         NTDBTOOL="bin/ntdbtool"
1961         AC_SUBST(NTDBTOOL)
1962         NTDBTORTURE="bin/ntdbtorture"
1963         AC_SUBST(NTDBTORTURE)
1964 fi
1965
1966 SMB_LIBRARY(netapi, 0)
1967 SMB_LIBRARY(smbclient, 0)
1968 SMB_LIBRARY(smbsharemodes, 0)
1969
1970
1971 ################
1972
1973 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
1974 AC_TRY_RUN([#include <stdio.h>
1975 main() { long long x = 1000000; x *= x; return(((x/1000000) == 1000000)? 0: 1); }],
1976 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
1977 if test x"$samba_cv_have_longlong" = x"yes"; then
1978     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
1979     AC_CHECK_TYPE(intptr_t, unsigned long long)
1980 else
1981     AC_CHECK_TYPE(intptr_t, unsigned long)
1982 fi
1983
1984 #
1985 # Check if the compiler supports the LL prefix on long long integers.
1986 # AIX needs this.
1987
1988 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
1989     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
1990         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
1991 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
1992    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
1993 fi
1994
1995
1996 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
1997 AC_TRY_RUN([#include <time.h>
1998 main() { return((sizeof(time_t) == 8) ? 0 : 1); }],
1999 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
2000 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
2001     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
2002 fi
2003
2004 AC_CACHE_CHECK([for TIME_T_MAX],samba_cv_TIME_T_MAX,[
2005 AC_TRY_RUN([#include <time.h>
2006 main() {
2007         struct tm *tm;
2008         if (sizeof(time_t) == 8) {
2009                 time_t max_time = 0x7fffffffffffffffll;
2010                 tm = gmtime(&max_time);
2011                 /* This should fail with 32-bit tm_year. */
2012                 if (tm == NULL) {
2013                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
2014                         max_time = 67768036191676799ll;
2015                         tm = gmtime(&max_time);
2016                         if (tm) {
2017                                 return(0);
2018                         }
2019                 }
2020         }
2021         return(1);
2022 }],
2023 samba_cv_TIME_T_MAX=yes,samba_cv_TIME_T_MAX=no,samba_cv_TIME_T_MAX=cross)])
2024 if test x"$samba_cv_TIME_T_MAX" = x"yes"; then
2025     AC_DEFINE(TIME_T_MAX,67768036191676799ll,[The maximum value of the 'time_t' type])
2026 fi
2027
2028
2029 #
2030 # As a gating factor for large file support, in order to
2031 # use >4GB files we must have the following minimal support
2032 # available: a 64 bit off_t
2033 # If we don't have all of these then fail the build
2034 #
2035
2036 AC_MSG_CHECKING([if large file support can be enabled])
2037 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
2038 AC_TRY_RUN([#include <stdio.h>
2039 #include <sys/stat.h>
2040 main() { return((sizeof(off_t) == 8) ? 0 : 1); }],
2041 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
2042 if test x"$samba_cv_SIZEOF_OFF_T" = x"no"; then
2043     AC_MSG_ERROR(["large file support support not available: sizeof(off_t) != 8"])
2044 fi
2045
2046 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
2047 AC_TRY_RUN([
2048 #if defined(HAVE_UNISTD_H)
2049 #include <unistd.h>
2050 #endif
2051 #include <stdio.h>
2052 #include <sys/stat.h>
2053 main() { return((sizeof(ino_t) == 8) ? 0 : 1); }],
2054 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
2055 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
2056     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
2057 fi
2058
2059 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
2060 AC_TRY_RUN([
2061 #if defined(HAVE_UNISTD_H)
2062 #include <unistd.h>
2063 #endif
2064 #include <stdio.h>
2065 #include <sys/stat.h>
2066 main() { return((sizeof(dev_t) == 8) ? 0 : 1); }],
2067 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
2068 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
2069     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
2070 fi
2071
2072 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
2073 AC_TRY_RUN([
2074 #if defined(HAVE_UNISTD_H)
2075 #include <unistd.h>
2076 #endif
2077 #include <sys/types.h>
2078 main() { dev_t dev; int i = major(dev); return 0; }],
2079 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
2080 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
2081     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
2082 fi
2083
2084 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
2085 AC_TRY_RUN([
2086 #if defined(HAVE_UNISTD_H)
2087 #include <unistd.h>
2088 #endif
2089 #include <sys/types.h>
2090 main() { dev_t dev; int i = minor(dev); return 0; }],
2091 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
2092 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
2093     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
2094 fi
2095
2096 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
2097 AC_TRY_RUN([
2098 #if defined(HAVE_UNISTD_H)
2099 #include <unistd.h>
2100 #endif
2101 #include <sys/types.h>
2102 main() { dev_t dev = makedev(1,2); return 0; }],
2103 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
2104 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
2105     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
2106 fi
2107
2108 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
2109 AC_TRY_COMPILE([#include <sys/types.h>
2110 #include <dirent.h>
2111 void seekdir(DIR *d, long loc) { return; }],[return 0;],
2112 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
2113 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
2114     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
2115 fi
2116
2117 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
2118 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
2119 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
2120 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
2121     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
2122 fi
2123
2124 if test x"$libreplace_cv_HAVE_CLOCK_GETTIME_IN_LIBRT" = xyes ; then
2125         LIBS="$LIBS -lrt"
2126 fi
2127
2128 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2129 AC_TRY_RUN([#include <sys/types.h>
2130 #include <dirent.h>
2131 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2132 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2133 di->d_name[0] == 0) return(0); return(1);} ],
2134 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2135 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2136     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2137 fi
2138
2139 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2140 AC_TRY_COMPILE([#include <sys/types.h>
2141 #include <utime.h>],
2142 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; return(utime("foo.c",&tbuf));],
2143 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2144 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2145     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2146 fi
2147
2148 ##############
2149 # Check utmp details, but only if our OS offers utmp.h
2150 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2151 dnl  utmp and utmpx come in many flavours
2152 dnl  We need to check for many of them
2153 dnl  But we don't need to do each and every one, because our code uses
2154 dnl  mostly just the utmp (not utmpx) fields.
2155
2156 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx getutxent)
2157
2158 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2159 AC_TRY_COMPILE([#include <sys/types.h>
2160 #include <utmp.h>],
2161 [struct utmp ut;  ut.ut_name[0] = 'a';],
2162 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2163 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2164     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2165 fi
2166
2167 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2168 AC_TRY_COMPILE([#include <sys/types.h>
2169 #include <utmp.h>],
2170 [struct utmp ut;  ut.ut_user[0] = 'a';],
2171 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2172 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2173     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2174 fi
2175
2176 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2177 AC_TRY_COMPILE([#include <sys/types.h>
2178 #include <utmp.h>],
2179 [struct utmp ut;  ut.ut_id[0] = 'a';],
2180 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2181 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2182     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2183 fi
2184
2185 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2186 AC_TRY_COMPILE([#include <sys/types.h>
2187 #include <utmp.h>],
2188 [struct utmp ut;  ut.ut_host[0] = 'a';],
2189 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2190 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2191     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2192 fi
2193
2194 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2195 AC_TRY_COMPILE([#include <sys/types.h>
2196 #include <utmp.h>],
2197 [struct utmp ut;  time_t t; ut.ut_time = t;],
2198 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2199 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2200     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2201 fi
2202
2203 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2204 AC_TRY_COMPILE([#include <sys/types.h>
2205 #include <utmp.h>],
2206 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2207 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2208 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2209     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2210 fi
2211
2212 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2213 AC_TRY_COMPILE([#include <sys/types.h>
2214 #include <utmp.h>],
2215 [struct utmp ut;  ut.ut_type = 0;],
2216 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2217 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2218     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2219 fi
2220
2221 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2222 AC_TRY_COMPILE([#include <sys/types.h>
2223 #include <utmp.h>],
2224 [struct utmp ut;  ut.ut_pid = 0;],
2225 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2226 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2227     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2228 fi
2229
2230 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2231 AC_TRY_COMPILE([#include <sys/types.h>
2232 #include <utmp.h>],
2233 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2234 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2235 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2236     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2237 fi
2238
2239 dnl Look for the IPv6 varient by preference. Many systems have both.
2240 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2241 AC_TRY_COMPILE([#include <sys/types.h>
2242 #include <utmp.h>],
2243 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2244 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2245 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2246     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2247 fi
2248
2249 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2250 AC_TRY_COMPILE([#include <sys/types.h>
2251 #include <utmp.h>],
2252 [struct utmp ut;  ut.ut_addr = 0;],
2253 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2254 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2255     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2256 fi
2257
2258 if test x$ac_cv_func_pututline = xyes ; then
2259   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2260   AC_TRY_COMPILE([#include <sys/types.h>
2261 #include <utmp.h>],
2262   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2263   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2264   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2265       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2266   fi
2267 fi
2268
2269 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2270 AC_TRY_COMPILE([#include <sys/types.h>
2271 #include <utmpx.h>],
2272 [struct utmpx ux;  ux.ut_syslen = 0;],
2273 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2274 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2275     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2276 fi
2277
2278 fi
2279 # end utmp details
2280
2281 AC_CACHE_CHECK([for linux fallocate],samba_cv_HAVE_LINUX_FALLOCATE,[
2282 AC_TRY_COMPILE([
2283 #if defined(HAVE_UNISTD_H)
2284 #include <unistd.h>
2285 #endif
2286 #include <sys/types.h>
2287 #define _GNU_SOURCE
2288 #include <fcntl.h>
2289 #if defined(HAVE_LINUX_FALLOC_H)
2290 #include <linux/falloc.h>
2291 #endif],
2292 [int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2293 samba_cv_HAVE_LINUX_FALLOCATE=yes,samba_cv_HAVE_LINUX_FALLOCATE=no)])
2294 if test x"$samba_cv_HAVE_LINUX_FALLOCATE" = x"yes" && test x"$ac_cv_func_fallocate" = x"yes"; then
2295     AC_DEFINE(HAVE_LINUX_FALLOCATE,1,[Whether the Linux 'fallocate' function is available])
2296 fi
2297
2298 AC_CACHE_CHECK([for getcwd takes NULL],samba_cv_GETCWD_TAKES_NULL,[
2299 AC_TRY_RUN([
2300 #if defined(HAVE_UNISTD_H)
2301 #include <unistd.h>
2302 #endif
2303 main() { char *s = getcwd(NULL,0); if (s) return(0); return(1); }],
2304 samba_cv_GETCWD_TAKES_NULL=yes,samba_cv_GETCWD_TAKES_NULL=no,samba_cv_GETCWD_TAKES_NULL=cross)])
2305 if test x"$samba_cv_GETCWD_TAKES_NULL" = x"yes"; then
2306     AC_DEFINE(GETCWD_TAKES_NULL,1,[Whether the getcwd function takes NULL as an argument])
2307 fi
2308
2309 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2310 AC_ARG_WITH(libiconv,
2311 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2312 [
2313   if test "$withval" = "no" ; then
2314     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2315   else
2316      if test "$withval" != "yes" ; then
2317         ICONV_PATH_SPEC=yes
2318         ICONV_LOOK_DIRS="$withval"
2319      fi
2320   fi
2321 ])
2322
2323 for i in $ICONV_LOOK_DIRS ; do
2324
2325     save_LIBS="$LIBS"
2326     save_LDFLAGS="$LDFLAGS"
2327     save_CPPFLAGS="$CPPFLAGS"
2328
2329     iconv_current_LIBS=""
2330     iconv_current_LDFLAGS=""
2331     iconv_current_CPPFLAGS=""
2332
2333     ICONV_FOUND="no"
2334     unset libext
2335
2336     #  This is here to handle -withval stuff for --with-libiconv
2337     #  Perhaps we should always add a -L
2338     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2339
2340     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2341     # installation paths. This gets a little tricky since we might have iconv
2342     # in both libiconv and in libc. In this case the jm_ICONV test will always
2343     # succeed when the header is found. To counter this, make sure the
2344     # library directory is there and check the ABI directory first (which
2345     # should be harmless on other systems, but causes tons of linker warnings on
2346     # 64bit Ubuntu systems).
2347     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2348     # installed, I've decided to fix the linker warnings.
2349     # -- Kai
2350     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2351     for l in "lib" "lib32" "lib/hpux32"; do
2352         if test -d "$i/$l" ; then
2353                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2354                 LIBS=
2355                 export LDFLAGS LIBS CPPFLAGS
2356                 # Try to find iconv(3)
2357                 jm_ICONV($i/$l)
2358                 if test x"$ICONV_FOUND" = "xyes" ; then
2359                     libext="$l"
2360                     break
2361                 fi
2362         fi
2363     done
2364
2365     if test x"$ICONV_FOUND" = "xyes" ; then
2366         iconv_current_LDFLAGS="-L$i/$libext"
2367         iconv_current_CPPFLAGS="-I$i/include"
2368
2369         if test x"$jm_cv_lib_iconv" != x; then
2370             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2371         else
2372             # We found iconv in libc.
2373             iconv_current_LIBS=""
2374         fi
2375
2376     fi
2377
2378     if test x"$ICONV_FOUND" = "xyes" ; then
2379
2380         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2381         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2382         LIBS="$save_LIBS $iconv_current_LIBS"
2383         export LDFLAGS LIBS CPPFLAGS
2384
2385         default_dos_charset=no
2386         default_unix_charset=no
2387
2388         # check for default dos charset name
2389         for j in CP850 IBM850 ; do
2390             rjs_CHARSET($j)
2391             default_dos_charset="$ICONV_CHARSET"
2392             if test x"$default_dos_charset" = x"$j"; then
2393                 break
2394             fi
2395         done
2396
2397         # check for default unix charset name
2398         for j in UTF-8 UTF8 ; do
2399             rjs_CHARSET($j)
2400             default_unix_charset="$ICONV_CHARSET"
2401             if test x"$default_unix_charset" = x"$j"; then
2402                 break
2403             fi
2404         done
2405
2406         if test "$default_dos_charset" != "no" -a \
2407                 "$default_dos_charset" != "cross" -a \
2408                 "$default_unix_charset" != "no" -a \
2409                 "$default_unix_charset" != "cross"
2410         then
2411                 samba_cv_HAVE_NATIVE_ICONV=yes
2412         else
2413             if test "$default_dos_charset" = "cross" -o \
2414                      "$default_unix_charset" = "cross"
2415             then
2416                     samba_cv_HAVE_NATIVE_ICONV=cross
2417             else
2418                     samba_cv_HAVE_NATIVE_ICONV=no
2419             fi
2420         fi
2421
2422         # At this point, we have a libiconv candidate. We know that
2423         # we have the right headers and libraries, but we don't know
2424         # whether it does the conversions we want. We can't test this
2425         # because we are cross-compiling. This is not necessarily a big
2426         # deal, since we can't guarantee that the results we get now will
2427         # match the results we get at runtime anyway.
2428         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2429             default_dos_charset="CP850"
2430             default_unix_charset="UTF-8"
2431             samba_cv_HAVE_NATIVE_ICONV=yes
2432             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2433             AC_MSG_WARN([$default_dos_charset and $default_unix_charset to UCS-16LE])
2434         fi
2435
2436         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2437
2438             CPPFLAGS=$save_CPPFLAGS
2439             LDFLAGS=$save_LDFLAGS
2440             LIBS=$save_LIBS
2441
2442             if test x"$iconv_current_LIBS" != x; then
2443                 LIBS="$LIBS $iconv_current_LIBS"
2444             fi
2445
2446             # Add the flags we need to CPPFLAGS and LDFLAGS
2447             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2448             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2449
2450             # Turn the #defines into string literals
2451             default_dos_charset="\"$default_dos_charset\""
2452             default_unix_charset="\"$default_unix_charset\""
2453
2454             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2455             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2456             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2457
2458            break
2459         fi
2460
2461     # We didn't find a working iconv, so keep going
2462     fi
2463
2464     #  We only need to clean these up here for the next pass through the loop
2465     CPPFLAGS=$save_CPPFLAGS
2466     LDFLAGS=$save_LDFLAGS
2467     LIBS=$save_LIBS
2468     export LDFLAGS LIBS CPPFLAGS
2469 done
2470 unset libext
2471
2472
2473 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2474     AC_MSG_WARN([Sufficient support for iconv function was not found.
2475     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2476    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2477    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2478 fi
2479
2480
2481 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2482 AC_TRY_RUN([
2483 #include <sys/types.h>
2484 #include <fcntl.h>
2485 #ifndef F_GETLEASE
2486 #define F_GETLEASE      1025
2487 #endif
2488 main() {
2489        int fd = open("/dev/null", O_RDONLY);
2490        return fcntl(fd, F_GETLEASE, 0) == -1;
2491 }
2492 ],
2493 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2494 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2495     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2496 fi
2497
2498 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2499 AC_TRY_RUN([
2500 #include <sys/types.h>
2501 #include <fcntl.h>
2502 #include <signal.h>
2503 #ifndef F_NOTIFY
2504 #define F_NOTIFY 1026
2505 #endif
2506 main() {
2507         return(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2508 }
2509 ],
2510 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2511 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2512     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2513 fi
2514
2515 AC_CHECK_HEADER(sys/inotify.h)
2516
2517 if test x"ac_cv_header_sys_inotify_h" = x"yes"; then
2518     AC_DEFINE(HAVE_INOTIFY,1,[For inotify support])
2519 fi
2520
2521 #################################################
2522 # Check if FAM notifications are available. For FAM info, see
2523 #       http://oss.sgi.com/projects/fam/
2524 #       http://savannah.nongnu.org/projects/fam/
2525 AC_ARG_ENABLE(fam,
2526 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2527
2528 if test x$enable_fam != xno; then
2529     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2530     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2531         # On IRIX, libfam requires libC, but other FAM implementations
2532         # might not need it.
2533         AC_CHECK_LIB(fam, FAMOpen2,
2534             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam";
2535             AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2536             [samba_cv_HAVE_LIBFAM=no])
2537
2538         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2539             samba_fam_xtra=-lC
2540             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2541                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC";
2542                 AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2543                 [samba_cv_HAVE_LIBFAM=no])
2544             unset samba_fam_xtra
2545         fi
2546     fi
2547     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2548         default_shared_modules="$default_shared_modules vfs_notify_fam"
2549         AC_TRY_COMPILE([#include <fam.h>],
2550                     [enum FAMCodes code = FAMChanged;],
2551                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2552                         [Whether fam.h contains a typedef for enum FAMCodes]),
2553                     [])
2554     fi
2555
2556     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2557         AC_CHECK_LIB(fam, FAMNoExists,
2558             [AC_DEFINE(HAVE_FAMNOEXISTS, 1, Define to 1 if there is support for FAMNoExists)])
2559     fi
2560
2561     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2562         AC_MSG_ERROR(FAM support requested but FAM library not available )
2563     fi
2564 fi
2565
2566 AC_SUBST(SMB_FAM_LIBS)
2567
2568 #################################################
2569 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2570
2571
2572 with_dmapi_support=auto
2573 AC_MSG_CHECKING(whether to use DMAPI support)
2574 AC_ARG_WITH(dmapi,
2575 [AS_HELP_STRING([--with-dmapi], [Include DMAPI/XDSM support (default=auto)])],
2576 [ case "$withval" in
2577   yes|no)
2578     with_dmapi_support=$withval
2579     ;;
2580   esac ]
2581 )
2582 AC_MSG_RESULT([$with_dmapi_support])
2583
2584 if test x"$with_dmapi_support" != xno ; then
2585         SMB_CHECK_DMAPI([], [
2586                 AC_MSG_NOTICE(DMAPI support not present)
2587                 if test x"$with_dmapi_support" = xyes ; then
2588                         AC_MSG_ERROR(no DMAPI support found but requested!)
2589                 fi
2590                 ]
2591         )
2592 fi
2593
2594 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2595 # Theoretically it should work with AIX JFS2 too but this needs testing
2596 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2597     default_shared_modules="$default_shared_modules vfs_tsmsm"
2598 fi
2599
2600 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2601 AC_TRY_RUN([
2602 #include <sys/types.h>
2603 #include <fcntl.h>
2604 #include <signal.h>
2605 #include <sys/file.h>
2606 #ifndef LOCK_MAND
2607 #define LOCK_MAND       32
2608 #define LOCK_READ       64
2609 #endif
2610 main() {
2611         return(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2612 }
2613 ],
2614 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2615 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2616     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2617 fi
2618
2619
2620 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2621 AC_TRY_COMPILE([#include <sys/types.h>
2622 #include <fcntl.h>],
2623 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2624 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2625 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2626     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2627 fi
2628
2629 #################################################
2630 # Check for POSIX capability support
2631
2632 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2633     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2634     [], [])
2635
2636 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2637
2638     ac_save_LIBS=$LIBS
2639     AC_LIBTESTFUNC(cap, cap_get_proc)
2640
2641     AC_CACHE_CHECK([for POSIX capabilities],
2642             samba_cv_HAVE_POSIX_CAPABILITIES,
2643             [
2644                 AC_TRY_RUN([
2645 #include <sys/types.h>
2646 #include <sys/capability.h>
2647 main() {
2648  cap_t cap;
2649  cap_value_t vals[1];
2650  if (!(cap = cap_get_proc()))
2651    return(1);
2652  vals[0] = CAP_CHOWN;
2653  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2654  cap_set_proc(cap);
2655  return(0);
2656 }],
2657                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2658                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2659                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2660             ])
2661
2662 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2663     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2664             [Whether POSIX capabilities are available])
2665 else
2666     LIBS=$ac_save_LIBS
2667 fi
2668
2669 fi
2670
2671 #
2672 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2673 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2674 #
2675
2676 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2677 AC_TRY_COMPILE([#include <sys/types.h>
2678 #if defined(HAVE_RPC_RPC_H)
2679 #include <rpc/rpc.h>
2680 #endif],
2681 [int16 testvar;],
2682 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2683 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2684     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2685 fi
2686
2687 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2688 AC_TRY_COMPILE([#include <sys/types.h>
2689 #if defined(HAVE_RPC_RPC_H)
2690 #include <rpc/rpc.h>
2691 #endif],
2692 [uint16 testvar;],
2693 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2694 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2695     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2696 fi
2697
2698 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2699 AC_TRY_COMPILE([#include <sys/types.h>
2700 #if defined(HAVE_RPC_RPC_H)
2701 #include <rpc/rpc.h>
2702 #endif],
2703 [int32 testvar;],
2704 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2705 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2706     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2707 fi
2708
2709 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2710 AC_TRY_COMPILE([#include <sys/types.h>
2711 #if defined(HAVE_RPC_RPC_H)
2712 #include <rpc/rpc.h>
2713 #endif],
2714 [uint32 testvar;],
2715 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2716 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2717     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2718 fi
2719
2720 dnl
2721 dnl Some systems (SCO) have a problem including
2722 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2723 dnl as a #define in <prot.h> and as part of an enum
2724 dnl in <rpc/rpc.h>.
2725 dnl
2726
2727 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2728 AC_TRY_COMPILE([#include <sys/types.h>
2729 #ifdef HAVE_SYS_SECURITY_H
2730 #include <sys/security.h>
2731 #include <prot.h>
2732 #endif  /* HAVE_SYS_SECURITY_H */
2733 #if defined(HAVE_RPC_RPC_H)
2734 #include <rpc/rpc.h>
2735 #endif],
2736 [int testvar;],
2737 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2738 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2739     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2740 fi
2741
2742 AC_MSG_CHECKING([for test routines])
2743 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
2744            AC_MSG_RESULT(yes),
2745            AC_MSG_ERROR([cant find test code. Aborting config]),
2746            AC_MSG_WARN([cannot run when cross-compiling]))
2747
2748 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2749 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
2750            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2751 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2752     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2753 fi
2754
2755 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2756 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
2757            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2758 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2759     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2760 fi
2761
2762 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2763 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2764 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2765 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2766 AC_CHECK_FUNCS(getpagesize)
2767
2768 ################################################
2769 # look for a method of setting the effective uid
2770 seteuid=no;
2771
2772 ################################################
2773 # Start by checking for 32-bit system call definitions on Linux.
2774
2775 case "$host_os" in
2776 *linux*)
2777 AC_CACHE_CHECK([for Linux 32-bit system calls],samba_cv_USE_LINUX_32BIT_SYSCALLS,[
2778 AC_TRY_COMPILE([
2779 #if defined(HAVE_UNISTD_H)
2780 #include <unistd.h>
2781 #endif
2782 #include <stdlib.h>
2783 #include <stdio.h>
2784 #include <sys/types.h>
2785 #include <errno.h>
2786
2787 #ifdef HAVE_SYS_PRIV_H
2788 #include <sys/priv.h>
2789 #endif
2790 #ifdef HAVE_SYS_ID_H
2791 #include <sys/id.h>
2792 #endif
2793
2794 #if defined(HAVE_SYSCALL_H)
2795 #include <syscall.h>
2796 #endif
2797
2798 #if defined(HAVE_SYS_SYSCALL_H)
2799 #include <sys/syscall.h>
2800 #endif
2801 ],
2802 [
2803 syscall(SYS_setresuid32, -1, -1, -1);
2804 syscall(SYS_setresgid32, -1, -1, -1);
2805 syscall(SYS_setreuid32, -1, -1);
2806 syscall(SYS_setregid32, -1, -1);
2807 syscall(SYS_setuid32, -1);
2808 syscall(SYS_setgid32, -1);
2809 syscall(SYS_setgroups32, 0, NULL);
2810 ], samba_cv_USE_LINUX_32BIT_SYSCALLS=yes,samba_cv_USE_LINUX_32BIT_SYSCALLS=no,samba_cv_USE_LINUX_32BIT_SYSCALLS=cross)])
2811
2812 if test x"$samba_cv_USE_LINUX_32BIT_SYSCALLS" = x"yes"; then
2813     AC_DEFINE(USE_LINUX_32BIT_SYSCALLS,1,[Use Linux 32-bit system calls])
2814     AC_CACHE_CHECK([for Linux thread-specific credentials with 32-bit system calls],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2815     AC_TRY_RUN([
2816 #define AUTOCONF_TEST 1
2817 #define USE_LINUX_THREAD_CREDENTIALS 1
2818 #define USE_LINUX_32BIT_SYSCALLS 1
2819 #include "${srcdir-.}/../lib/util/setid.c"
2820 #include "${srcdir-.}/lib/util_sec.c"],
2821            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2822 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2823     seteuid=yes;
2824     AC_DEFINE(USE_LINUX_THREAD_CREDENTIALS,1,[Whether we can use Linux thread-specific credentials with 32-bit system calls])
2825 fi
2826 fi
2827
2828 if test $seteuid = no; then
2829 AC_CACHE_CHECK([for Linux thread-specific credentials],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2830 AC_TRY_RUN([
2831 #define AUTOCONF_TEST 1
2832 #define USE_LINUX_THREAD_CREDENTIALS 1
2833 #include "${srcdir-.}/../lib/util/setid.c"
2834 #include "${srcdir-.}/lib/util_sec.c"],
2835            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2836 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2837     seteuid=yes;AC_DEFINE(USE_LINUX_THREAD_CREDENTIALS,1,[Whether we can use Linux thread-specific credentials])
2838 fi
2839 fi
2840
2841 ;;
2842 esac
2843
2844 if test $seteuid = no; then
2845 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2846 AC_TRY_RUN([
2847 #define AUTOCONF_TEST 1
2848 #define USE_SETREUID 1
2849 #include "confdefs.h"
2850 #include "${srcdir-.}/../lib/util/setid.c"
2851 #include "${srcdir-.}/lib/util_sec.c"],
2852            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2853 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2854     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2855 fi
2856 fi
2857
2858 # we check for setresuid second as it conflicts with AIO on Linux. 
2859 # see http://samba.org/~tridge/junkcode/aio_uid.c
2860 if test $seteuid = no; then
2861 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2862 AC_TRY_RUN([
2863 #define AUTOCONF_TEST 1
2864 #define USE_SETRESUID 1
2865 #include "confdefs.h"
2866 #include "${srcdir-.}/../lib/util/setid.c"
2867 #include "${srcdir-.}/lib/util_sec.c"],
2868            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2869 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2870     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2871 fi
2872 fi
2873
2874 if test $seteuid = no; then
2875 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2876 AC_TRY_RUN([
2877 #define AUTOCONF_TEST 1
2878 #define USE_SETEUID 1
2879 #include "confdefs.h"
2880 #include "${srcdir-.}/../lib/util/setid.c"
2881 #include "${srcdir-.}/lib/util_sec.c"],
2882            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2883 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2884     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2885 fi
2886 fi
2887
2888 if test $seteuid = no; then
2889 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2890 AC_TRY_RUN([
2891 #define AUTOCONF_TEST 1
2892 #define USE_SETUIDX 1
2893 #include "confdefs.h"
2894 #include "${srcdir-.}/../lib/util/setid.c"
2895 #include "${srcdir-.}/lib/util_sec.c"],
2896            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2897 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2898     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2899 fi
2900 fi
2901
2902 AC_CACHE_CHECK([for the Darwin initgroups system call],
2903         samba_cv_DARWIN_INITGROUPS,
2904         AC_TRY_LINK([
2905 #include <sys/syscall.h>
2906 #include <unistd.h>
2907         ],
2908         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2909         samba_cv_DARWIN_INITGROUPS=yes,
2910         samba_cv_DARWIN_INITGROUPS=no)
2911 )
2912
2913 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2914     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2915         [Whether to use the Darwin-specific initgroups system call])
2916 fi
2917
2918 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2919 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
2920            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2921 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2922     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2923 fi
2924
2925 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
2926 AC_CACHE_CHECK([for broken posix_fallocate],samba_cv_HAVE_BROKEN_POSIX_FALLOCATE,[
2927 AC_TRY_COMPILE([
2928   #define _XOPEN_SOURCE 600
2929   #include <stdlib.h>
2930   #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
2931   #error probably broken posix_fallocate
2932   #endif
2933 ], [
2934 ], 
2935 samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=no,samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=yes)])
2936 if test x"$samba_cv_HAVE_BROKEN_POSIX_FALLOCATE" = xyes; then
2937         AC_DEFINE(HAVE_BROKEN_POSIX_FALLOCATE, 1, Whether we have a broken posix_fallocate)
2938 fi
2939
2940
2941 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2942 AC_TRY_COMPILE([#include <sys/types.h>
2943 #include <sys/stat.h>
2944 #include <unistd.h>],
2945 [struct stat st;  st.st_blocks = 0;],
2946 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2947 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2948     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2949 fi
2950
2951 AC_CACHE_CHECK([for 32 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_4,[
2952 AC_TRY_RUN([
2953 #if defined(HAVE_UNISTD_H)
2954 #include <unistd.h>
2955 #endif
2956 #include <stdio.h>
2957 #include <sys/types.h>
2958 #include <sys/stat.h>
2959 main() { return((sizeof(blkcnt_t) == 4) ? 0 : 1); }],
2960 samba_cv_SIZEOF_BLKCNT_T_4=yes,samba_cv_SIZEOF_BLKCNT_T_4=no,samba_cv_SIZEOF_BLKCNT_T_4=cross)])
2961 if test x"$samba_cv_SIZEOF_BLKCNT_T_4" = x"yes"; then
2962     AC_DEFINE(SIZEOF_BLKCNT_T_4,1,[The size of the 'blkcnt_t' type])
2963 fi
2964
2965 AC_CACHE_CHECK([for 64 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_8,[
2966 AC_TRY_RUN([
2967 #if defined(HAVE_UNISTD_H)
2968 #include <unistd.h>
2969 #endif
2970 #include <stdio.h>
2971 #include <sys/types.h>
2972 #include <sys/stat.h>
2973 main() { return((sizeof(blkcnt_t) == 8) ? 0 : 1); }],
2974 samba_cv_SIZEOF_BLKCNT_T_8=yes,samba_cv_SIZEOF_BLKCNT_T_8=no,samba_cv_SIZEOF_BLKCNT_T_8=cross)])
2975 if test x"$samba_cv_SIZEOF_BLKCNT_T_8" = x"yes"; then
2976     AC_DEFINE(SIZEOF_BLKCNT_T_8,1,[The size of the 'blkcnt_t' type])
2977 fi
2978
2979 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2980 AC_TRY_COMPILE([#include <sys/types.h>
2981 #include <sys/stat.h>
2982 #include <unistd.h>],
2983 [struct stat st;  st.st_blksize = 0;],
2984 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2985 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2986     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2987 fi
2988
2989 AC_CACHE_CHECK([for st_flags in struct stat],
2990         samba_cv_HAVE_STAT_ST_FLAGS,
2991         [
2992             AC_TRY_COMPILE([#include <sys/types.h>
2993 #include <sys/stat.h>
2994 #include <unistd.h>],
2995             [struct stat st;  st.st_flags = 0;],
2996             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2997             samba_cv_HAVE_STAT_ST_FLAGS=no,
2998             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2999         ])
3000
3001 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
3002     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
3003                 [Whether the stat struct has a st_flags member])
3004 fi
3005
3006 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
3007 AC_TRY_COMPILE([
3008 #include <sys/types.h>
3009 #include <sys/acl.h>
3010 #if defined(HAVE_RPCSVC_NIS_H)
3011 #include <rpcsvc/nis.h>
3012 #endif],
3013 [int i;],
3014 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
3015 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
3016         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
3017 fi
3018
3019 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
3020 AC_TRY_RUN([
3021 #include <stdio.h>
3022 #include <limits.h>
3023 #include <signal.h>
3024
3025 void exit_on_core(int ignored) {
3026         exit(1);
3027 }
3028
3029 main() {
3030         char *newpath;
3031         signal(SIGSEGV, exit_on_core);
3032         newpath = realpath("/tmp", NULL);
3033         return((newpath != NULL) ? 0 : 1);
3034 }
3035 ],
3036 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
3037 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
3038     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
3039 fi
3040
3041 #################################################
3042 # check for AFS clear-text auth support
3043 samba_cv_WITH_AFS=no
3044 AC_MSG_CHECKING(whether to use AFS clear-text auth)
3045 AC_ARG_WITH(afs,
3046 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
3047 [ case "$withval" in
3048   yes|auto)
3049     AC_MSG_RESULT($withval)
3050     samba_cv_WITH_AFS=$withval
3051     ;;
3052   *)
3053     AC_MSG_RESULT(no)
3054     ;;
3055   esac ],
3056   AC_MSG_RESULT(no)
3057 )
3058
3059 ####################################################
3060 # check for Linux-specific AFS fake-kaserver support
3061 samba_cv_WITH_FAKE_KASERVER=no
3062 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
3063 AC_ARG_WITH(fake-kaserver,
3064 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
3065 [ case "$withval" in
3066   yes|auto)
3067     AC_MSG_RESULT($withval)
3068     samba_cv_WITH_FAKE_KASERVER=$withval
3069     ;;
3070   *)
3071     AC_MSG_RESULT(no)
3072     ;;
3073   esac ],
3074   AC_MSG_RESULT(no)
3075 )
3076
3077 #################################################
3078 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
3079 if test x"$samba_cv_WITH_AFS" != x"no" ||
3080    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
3081
3082     # see if this box has the OpenSSL DES libraries
3083     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
3084
3085     # see if this box has the afs-headers in /usr/include/afs
3086     AC_MSG_CHECKING(for /usr/include/afs)
3087     if test -d /usr/include/afs; then
3088           AC_MSG_RESULT(yes)
3089     else
3090       AC_MSG_RESULT(no)
3091     fi
3092
3093     # check for afs.h
3094     have_afs_headers=no
3095     AC_CHECK_HEADERS(afs.h afs/afs.h)
3096     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
3097         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
3098            test x"$samba_cv_WITH_AFS" = x"auto"; then
3099                 AC_MSG_WARN([AFS cannot be supported without afs.h])
3100         else
3101                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
3102         fi
3103     else
3104         have_afs_headers=yes
3105     fi
3106 fi
3107
3108 FAKE_KASERVER_OBJ=""
3109 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
3110     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
3111     FAKE_KASERVER_OBJ="utils/net_afs.o"
3112 fi
3113 AC_SUBST(FAKE_KASERVER_OBJ)
3114
3115 #################################################
3116 # check whether to compile AFS/NT ACL mapping module
3117 samba_cv_WITH_VFS_AFSACL=no
3118 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
3119 AC_ARG_WITH(vfs-afsacl,
3120 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
3121 [ case "$withval" in
3122   yes|auto)
3123     AC_MSG_RESULT($withval)
3124     samba_cv_WITH_VFS_AFSACL=yes
3125     ;;
3126   *)
3127     AC_MSG_RESULT(no)
3128     ;;
3129   esac ],
3130   AC_MSG_RESULT(no)
3131 )
3132
3133 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
3134    default_shared_modules="$default_shared_modules vfs_afsacl"
3135 fi
3136         
3137 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
3138     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
3139 fi
3140
3141 #################################################
3142 # check for the DFS clear-text auth system
3143 AC_MSG_CHECKING(whether to use DFS clear-text auth)
3144 AC_ARG_WITH(dfs,
3145 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
3146 [ case "$withval" in
3147   yes)
3148     AC_MSG_RESULT(yes)
3149     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
3150     ;;
3151   *)
3152     AC_MSG_RESULT(no)
3153     ;;
3154   esac ],
3155   AC_MSG_RESULT(no)
3156 )
3157
3158 ########################################################
3159 # Compile with LDAP support?
3160
3161 with_ldap_support=auto
3162 AC_MSG_CHECKING([for LDAP support])
3163
3164 AC_ARG_WITH(ldap,
3165 [AS_HELP_STRING([--with-ldap], [LDAP support (default=auto)])],
3166 [ case "$withval" in
3167     yes|no)
3168         with_ldap_support=$withval
3169         ;;
3170   esac ])
3171
3172 AC_MSG_RESULT($with_ldap_support)
3173
3174 SMBLDAP=""
3175 AC_SUBST(SMBLDAP)
3176
3177 if test x"$with_ldap_support" != x"no"; then
3178
3179   ##################################################################
3180   # first test for ldap.h and lber.h
3181   # (ldap.h is required for this test)
3182   AC_CHECK_HEADERS(ldap.h lber.h)
3183
3184   if test x"$ac_cv_header_ldap_h" != x"yes"; then
3185         if test x"$with_ldap_support" = x"yes"; then
3186          AC_MSG_ERROR(ldap.h is needed for LDAP support)
3187         else
3188          AC_MSG_WARN(ldap.h is needed for LDAP support)
3189         fi
3190         
3191         with_ldap_support=no
3192   fi
3193
3194   ##################################################################
3195   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
3196   # unsigned int in include/includes.h
3197   case $host_os in
3198         *hpux*)
3199          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3200          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
3201         with_ldap_support=yes
3202         ;;
3203         *)
3204         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
3205         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
3206                 if test x"$with_ldap_support" = x"yes"; then
3207                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3208                 else
3209                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3210                 fi
3211                 with_ldap_support=no
3212         fi
3213         ;;
3214   esac
3215 fi
3216
3217 if test x"$with_ldap_support" != x"no"; then
3218   ac_save_LIBS=$LIBS
3219
3220   ##################################################################
3221   # we might need the lber lib on some systems. To avoid link errors
3222   # this test must be before the libldap test
3223   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3224
3225   ########################################################
3226   # If ber_sockbuf_add_io() is available we can add
3227   # SASL wrapping hooks
3228   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3229
3230   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3231                  AC_TRY_COMPILE([#include <ldap.h>],
3232                                 [int val = LDAP_OPT_SOCKBUF;],
3233                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3234                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3235
3236   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3237           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3238         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3239   fi
3240
3241   #######################################################
3242   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3243   # ldap logging and print it out in the samba logs
3244   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3245                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3246                  [AC_TRY_COMPILE([#include <lber.h>],
3247                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3248                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3249                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3250
3251   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3252         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3253                   [Support for LDAP/LBER logging interception])
3254   fi
3255
3256   ########################################################
3257   # now see if we can find the ldap libs in standard paths
3258   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3259
3260   ########################################################
3261   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3262   # Check found in pam_ldap 145.
3263   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3264
3265   LIBS="$LIBS $LDAP_LIBS"
3266   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3267     AC_TRY_COMPILE([
3268         #include <lber.h>
3269         #include <ldap.h>],
3270         [ldap_set_rebind_proc(0, 0, 0);],
3271         [smb_ldap_cv_ldap_set_rebind_proc=3],
3272         [smb_ldap_cv_ldap_set_rebind_proc=2]
3273     )
3274   ])
3275
3276   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3277
3278   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3279
3280   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3281     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3282     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3283     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3284     default_shared_modules="$default_shared_modules";
3285     SMBLDAP="lib/smbldap.o"
3286     with_ldap_support=yes
3287     AC_MSG_CHECKING(whether LDAP support is used)
3288     AC_MSG_RESULT(yes)
3289   else
3290     if test x"$with_ldap_support" = x"yes"; then
3291         AC_MSG_ERROR(libldap is needed for LDAP support)
3292     else
3293         AC_MSG_WARN(libldap is needed for LDAP support)
3294     fi
3295
3296     LDAP_LIBS=""
3297     with_ldap_support=no
3298   fi
3299   LIBS=$ac_save_LIBS
3300 fi
3301
3302
3303 #################################################
3304 # active directory support
3305
3306 with_ads_support=auto
3307 AC_MSG_CHECKING([for Active Directory and krb5 support])
3308
3309 AC_ARG_WITH(ads,
3310 [AS_HELP_STRING([--with-ads], [Active Directory support (default=auto)])],
3311 [ case "$withval" in
3312     yes|no)
3313         with_ads_support="$withval"
3314         ;;
3315   esac ])
3316
3317 AC_MSG_RESULT($with_ads_support)
3318
3319 FOUND_KRB5=no
3320 KRB5_LIBS=""
3321
3322 if test x"$with_ldap_support" != x"yes"; then
3323
3324     if test x"$with_ads_support" = x"yes"; then
3325         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3326     elif test x"$with_ads_support" = x"auto"; then
3327         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3328         with_ads_support=no
3329     fi
3330
3331 else
3332
3333     # Check to see whether there is enough LDAP functionality to be able
3334     # to build AD support.
3335
3336 # HPUX and Solaris only has ldap_init; ok, we take care of this in smbldap.c
3337 case "$host_os" in
3338         *hpux* | *solaris*)
3339     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3340
3341     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3342         if test x"$with_ads_support" = x"yes"; then
3343             AC_MSG_ERROR(Active Directory support on HPUX or Solaris requires ldap_init)
3344         elif test x"$with_ads_support" = x"auto"; then
3345             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX or Solaris))
3346             with_ads_support=no
3347         fi
3348     fi
3349     ;;
3350         *)
3351     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3352
3353     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3354         if test x"$with_ads_support" = x"yes"; then
3355             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3356         elif test x"$with_ads_support" = x"auto"; then
3357             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3358             with_ads_support=no
3359         fi
3360     fi
3361     ;;
3362 esac
3363
3364
3365     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3366
3367     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3368         if test x"$with_ads_support" = x"yes"; then
3369             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3370         elif test x"$with_ads_support" = x"auto"; then
3371             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3372             with_ads_support=no
3373         fi
3374     fi
3375
3376 fi
3377
3378 if test x"$with_ads_support" != x"no"; then
3379
3380   # Do no harm to the values of CFLAGS and LIBS while testing for
3381   # Kerberos support.
3382
3383   if test x$FOUND_KRB5 = x"no"; then
3384     #################################################
3385     # check for location of Kerberos 5 install
3386     AC_MSG_CHECKING(for kerberos 5 install path)
3387     AC_ARG_WITH(krb5,
3388     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3389     [ case "$withval" in
3390       no)
3391         AC_MSG_RESULT(no krb5-path given)
3392         ;;
3393       yes)
3394         AC_MSG_RESULT(/usr)
3395         ;;
3396       *)
3397         AC_MSG_RESULT($withval)
3398         KRB5_CFLAGS="-I$withval/include"
3399         KRB5_CPPFLAGS="-I$withval/include"
3400         KRB5_LDFLAGS="-L$withval/lib"
3401         FOUND_KRB5=yes
3402         if test -x "$withval/bin/krb5-config"; then
3403                 KRB5CONFIG=$withval/bin/krb5-config
3404         fi
3405         ;;
3406       esac ],
3407       AC_MSG_RESULT(no krb5-path given)
3408     )
3409   fi
3410
3411   #################################################
3412   # check for krb5-config from recent MIT and Heimdal kerberos 5
3413   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3414   AC_MSG_CHECKING(for working krb5-config)
3415   if test -x "$KRB5CONFIG" && $KRB5CONFIG --libs gssapi > /dev/null ; then
3416     ac_save_CFLAGS=$CFLAGS
3417     CFLAGS="";export CFLAGS
3418     ac_save_LDFLAGS=$LDFLAGS
3419     LDFLAGS="";export LDFLAGS
3420     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3421     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3422     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3423     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3424     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3425     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3426     FOUND_KRB5=yes
3427     AC_MSG_RESULT(yes)
3428   else
3429     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3430   fi
3431
3432   if test x$FOUND_KRB5 = x"no"; then
3433     #################################################
3434     # see if this box has the SuSE location for the heimdal krb implementation
3435     AC_MSG_CHECKING(for /usr/include/heimdal)
3436     if test -d /usr/include/heimdal; then
3437       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3438           KRB5_CFLAGS="-I/usr/include/heimdal"
3439           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3440           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3441           FOUND_KRB5=yes
3442           AC_MSG_RESULT(yes)
3443       else
3444           KRB5_CFLAGS="-I/usr/include/heimdal"
3445           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3446           FOUND_KRB5=yes
3447           AC_MSG_RESULT(yes)
3448       fi
3449     else
3450       AC_MSG_RESULT(no)
3451     fi
3452   fi
3453
3454   if test x$FOUND_KRB5 = x"no"; then
3455     #################################################
3456     # see if this box has the RedHat location for kerberos
3457     AC_MSG_CHECKING(for /usr/kerberos)
3458     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3459       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3460       KRB5_CFLAGS="-I/usr/kerberos/include"
3461       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3462       FOUND_KRB5=yes
3463       AC_MSG_RESULT(yes)
3464     else
3465       AC_MSG_RESULT(no)
3466     fi
3467   fi
3468
3469   if test x$FOUND_KRB5 = x"no"; then
3470     #################################################
3471     # see if this box has the OpenBSD location for heimdal krb5
3472     AC_MSG_CHECKING(for /usr/include/kerberosV)
3473     if test -d /usr/include/kerberosV; then
3474       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3475       KRB5_LIBS="-lcrypto"
3476       FOUND_KRB5=yes
3477       AC_MSG_RESULT(yes)
3478     else
3479       AC_MSG_RESULT(no)
3480     fi
3481   fi
3482
3483   if test x$FOUND_KRB5 = x"no"; then
3484     #################################################
3485     # see if this box has Solaris MIT kerberos implementation
3486     AC_MSG_CHECKING(for Solaris MIT kerberos)
3487     if test -x "$KRB5CONFIG" && $KRB5CONFIG --version | grep -s Solaris | grep -s MIT > /dev/null ; then
3488        FOUND_KRB5=yes
3489        KRB5_LIBS="-lgss -lkrb5"
3490        KRB5_CFLAGS="`$KRB5CONFIG --cflags`"
3491        KRB5_CPPFLAGS="`$KRB5CONFIG --cflags`"
3492        AC_MSG_RESULT(yes)
3493     else
3494       AC_MSG_RESULT(no)
3495     fi
3496   fi
3497
3498   ac_save_CFLAGS=$CFLAGS
3499   ac_save_CPPFLAGS=$CPPFLAGS
3500   ac_save_LDFLAGS=$LDFLAGS
3501
3502   # remove needless evil rpath stuff as early as possible:
3503   LIB_REMOVE_USR_LIB(KRB5_LIBS)
3504   LIB_REMOVE_USR_LIB(KRB5_LDFLAGS)
3505   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3506   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3507   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3508
3509   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3510
3511   # now check for krb5.h. Some systems have the libraries without the headers!
3512   # note that this check is done here to allow for different kerberos
3513   # include paths
3514   AC_CHECK_HEADERS(krb5.h)
3515
3516   if test x"$ac_cv_header_krb5_h" = x"no"; then
3517
3518     # Give a warning if AD support was not explicitly requested,
3519     # i.e with_ads_support = auto, otherwise die with an error.
3520
3521     if test x"$with_ads_support" = x"yes"; then
3522       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3523     else
3524       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3525     fi
3526
3527     # Turn off AD support and restore CFLAGS and LIBS variables
3528
3529     with_ads_support="no"
3530
3531     CFLAGS=$ac_save_CFLAGS
3532     CPPFLAGS=$ac_save_CPPFLAGS
3533     LDFLAGS=$ac_save_LDFLAGS
3534   fi
3535
3536   # check for new heimdal KRB5_DEPRECATED handling
3537
3538   AC_CACHE_CHECK([for KRB5_DEPRECATED define taking an identifier],
3539                 samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER,[
3540     AC_TRY_COMPILE(
3541       [#define KRB5_DEPRECATED 1
3542       #include <krb5.h>],
3543       [],
3544       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=yes,
3545       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=no)])
3546
3547   if test x"$samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER" = x"yes"; then
3548     AC_DEFINE(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER, 1,
3549                [Whether to use deprecated krb5 interfaces])
3550   fi
3551 fi
3552
3553 # Now we have determined whether we really want ADS support
3554 use_ads=no
3555 if test x"$with_ads_support" != x"no"; then
3556   use_ads=yes
3557   have_gssapi=no
3558   ac_save_LIBS=$LIBS
3559
3560   # now check for gssapi headers.  This is also done here to allow for
3561   # different kerberos include paths
3562   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h)
3563
3564   ##################################################################
3565   # we might need the k5crypto and com_err libraries on some systems
3566   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3567   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3568
3569   # Heimdal checks.
3570   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3571   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3572   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3573
3574   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3575   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3576
3577   ########################################################
3578   # now see if we can find the krb5 libs in standard paths
3579   # or as specified above
3580   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3581   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3582
3583   ########################################################
3584   # now see if we can find the gssapi libs in standard paths
3585   if test x"$have_gssapi" != x"yes"; then
3586      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3587      AC_CHECK_LIB_EXT(gss, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3588   fi
3589   ################################################################
3590   # test for AD / GSSAPI support being enabled
3591   if test x"$have_gssapi" != xyes ; then
3592         AC_MSG_WARN([Samba cannot be supported without GSSAPI])
3593         use_ads=no
3594   else
3595         AC_DEFINE(HAVE_GSSAPI, , [Whether the platform has GSSAPI support])
3596   fi
3597
3598   # This is for FreeBSD (and possibly others). gss_mech_krb5 is a
3599   # #define to GSS_KRB5_MECHANISM, which is defined in -lgssapi_krb5
3600   # Also, gsskrb5_extract_authz_data_from_sec_context is in -lgssapi_krb5
3601   AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS, GSS_KRB5_MECHANISM,
3602                    [KRB5_LIBS="$KRB5_LIBS -lgssapi_krb5"])
3603
3604   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3605   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3606   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3607   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3608   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3609   AC_CHECK_FUNC_EXT(krb5_c_string_to_key, $KRB5_LIBS)
3610   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3611   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3612   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3613   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3614   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3615   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3616   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3617   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3618   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3619   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3620   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3621   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3622   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3623   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3624   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3625   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3626   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3627   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3628   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3629   AC_CHECK_FUNC_EXT(krb5_make_principal, $KRB5_LIBS)
3630   AC_CHECK_FUNC_EXT(krb5_principal_get_num_comp, $KRB5_LIBS)
3631   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3632   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3633   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3634   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3635   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3636   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3637   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3638   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3639   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3640   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3641   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_alloc, $KRB5_LIBS)
3642   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_set_impersonate, $KRB5_LIBS)
3643   AC_CHECK_FUNC_EXT(krb5_get_creds, $KRB5_LIBS)
3644   AC_CHECK_FUNC_EXT(krb5_get_credentials_for_user, $KRB5_LIBS)
3645   AC_CHECK_FUNC_EXT(krb5_get_host_realm, $KRB5_LIBS)
3646   AC_CHECK_FUNC_EXT(krb5_free_host_realm, $KRB5_LIBS)
3647   AC_CHECK_FUNC_EXT(krb5_get_init_creds_keytab, $KRB5_LIBS)
3648   AC_CHECK_FUNC_EXT(krb5_build_principal_alloc_va, $KRB5_LIBS)
3649   AC_CHECK_FUNC_EXT(krb5_cc_get_lifetime, $KRB5_LIBS)
3650   AC_CHECK_FUNC_EXT(krb5_cc_retrieve_cred, $KRB5_LIBS)
3651   AC_CHECK_FUNC_EXT(krb5_free_checksum_contents, $KRB5_LIBS)
3652   AC_CHECK_FUNC_EXT(krb5_create_checksum, $KRB5_LIBS)
3653   AC_CHECK_FUNC_EXT(krb5_c_make_checksum, $KRB5_LIBS)
3654   AC_CHECK_FUNC_EXT(gss_krb5_import_cred, $KRB5_LIBS)
3655   AC_CHECK_FUNC_EXT(gss_get_name_attribute, $KRB5_LIBS)
3656   AC_CHECK_FUNC_EXT(gsskrb5_extract_authz_data_from_sec_context, $KRB5_LIBS)
3657   AC_CHECK_FUNC_EXT(gss_mech_krb5, $KRB5_LIBS)
3658   AC_CHECK_FUNC_EXT(gss_oid_equal, $KRB5_LIBS)
3659   AC_CHECK_FUNC_EXT(gss_inquire_sec_context_by_oid, $KRB5_LIBS)
3660   AC_CHECK_FUNC_EXT(gss_wrap_iov, $KRB5_LIBS)
3661
3662   # MIT krb5 1.8 does not expose this call (yet)
3663   AC_CHECK_DECLS(krb5_get_credentials_for_user, [], [], [#include <krb5.h>])
3664
3665   # MIT krb5 1.7beta3 (in Ubuntu Karmic) does not have this declaration
3666   # but does have the symbol
3667   AC_CHECK_DECLS(krb5_auth_con_set_req_cksumtype, [], [], [#include <krb5.h>])
3668
3669   LIBS="$KRB5_LIBS $LIBS"
3670
3671   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3672           smb_krb5_cv_creds_opt_free_context,
3673           [
3674                 AC_TRY_COMPILE([
3675                     #include <krb5.h>],
3676                     [
3677                         krb5_context ctx;
3678                         krb5_get_init_creds_opt *opt = NULL;
3679                         krb5_get_init_creds_opt_free(ctx, opt);
3680                     ],
3681                     [smb_krb5_cv_creds_opt_free_context=yes],
3682                     [smb_krb5_cv_creds_opt_free_context=no]
3683                 )
3684           ])
3685
3686   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3687         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3688             [Whether krb5_get_init_creds_opt_free takes a context argument])
3689   fi
3690
3691   AC_CACHE_CHECK([for checksum in krb5_checksum],
3692                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3693     AC_TRY_COMPILE([#include <krb5.h>],
3694       [krb5_checksum cksum; cksum.checksum.length = 0;],
3695       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3696       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3697
3698   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3699     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3700                [Whether the krb5_checksum struct has a checksum property])
3701   fi
3702
3703   AC_CACHE_CHECK([for etype in EncryptedData],
3704                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3705     AC_TRY_COMPILE([#include <krb5.h>],
3706       [EncryptedData edata; edata.etype = 0;],
3707       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3708       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3709
3710   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3711     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3712                [Whether the EncryptedData struct has a etype property])
3713   fi
3714
3715   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3716                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3717     AC_TRY_COMPILE([#include <krb5.h>],
3718       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3719       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3720       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3721
3722   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
3723     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
3724                [Whether the krb5_ap_req struct has a ticket pointer])
3725   fi
3726
3727   AC_CACHE_CHECK([for e_data pointer in krb5_error],
3728                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
3729     AC_TRY_COMPILE([#include <krb5.h>],
3730       [krb5_error err; err.e_data = NULL;],
3731       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
3732       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
3733
3734   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
3735     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
3736                [Whether the krb5_error struct has a e_data pointer])
3737   fi
3738
3739   AC_CACHE_CHECK([for krb5_crypto type],
3740                 samba_cv_HAVE_KRB5_CRYPTO,[
3741     AC_TRY_COMPILE([#include <krb5.h>],
3742       [krb5_crypto crypto;],
3743       samba_cv_HAVE_KRB5_CRYPTO=yes,
3744       samba_cv_HAVE_KRB5_CRYPTO=no)])
3745
3746   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
3747     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
3748                [Whether the type krb5_crypto exists])
3749   fi
3750
3751   AC_CACHE_CHECK([for addrtype in krb5_address],
3752                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
3753     AC_TRY_COMPILE([#include <krb5.h>],
3754       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
3755       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
3756       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
3757
3758   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
3759     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
3760                [Whether the krb5_address struct has a addrtype property])
3761   fi
3762
3763   AC_CACHE_CHECK([for addr_type in krb5_address],
3764                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
3765     AC_TRY_COMPILE([#include <krb5.h>],
3766       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
3767       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
3768       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
3769
3770   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
3771     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
3772               [Whether the krb5_address struct has a addr_type property])
3773   fi
3774
3775   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
3776                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
3777     AC_TRY_COMPILE([#include <krb5.h>],
3778       [krb5_keyblock key; key.keyvalue.data = NULL;],
3779       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
3780       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
3781
3782   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
3783     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
3784               [Whether the krb5_keyblock struct has a keyvalue property])
3785   fi
3786
3787   found_arcfour_hmac=no
3788   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
3789                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
3790     AC_TRY_COMPILE([#include <krb5.h>],
3791       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
3792       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
3793       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
3794   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
3795                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
3796     AC_TRY_COMPILE([#include <krb5.h>],
3797       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
3798       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
3799       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
3800 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
3801 # w.r.t. arcfour and windows, so we must not enable it here
3802   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
3803           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
3804     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
3805               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available])
3806     found_arcfour_hmac=yes
3807   fi
3808   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC],
3809                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC,[
3810     AC_TRY_COMPILE([#include <krb5.h>],
3811       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC;],
3812       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=yes,
3813       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=no)])
3814   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC" = x"yes"; then
3815     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC,1,
3816               [Whether the ENCTYPE_ARCFOUR_HMAC key type definition is available])
3817     found_arcfour_hmac=yes
3818   fi
3819
3820   AC_CACHE_CHECK([for ENCTYPE_AES128_CTS_HMAC_SHA1_96],
3821                  samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,[
3822     AC_TRY_COMPILE([#include <krb5.h>],
3823       [krb5_enctype enctype; enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;],
3824       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=yes,
3825       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=no)])
3826   if test x"$samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96" = x"yes"; then
3827     AC_DEFINE(HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,1,
3828               [Whether the ENCTYPE_AES128_CTS_HMAC_SHA1_96 key type definition is available])
3829   fi
3830   AC_CACHE_CHECK([for ENCTYPE_AES256_CTS_HMAC_SHA1_96],
3831                  samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,[
3832     AC_TRY_COMPILE([#include <krb5.h>],
3833       [krb5_enctype enctype; enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;],
3834       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=yes,
3835       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=no)])
3836   if test x"$samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96" = x"yes"; then
3837     AC_DEFINE(HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,1,
3838               [Whether the ENCTYPE_AES256_CTS_HMAC_SHA1_96 key type definition is available])
3839   fi
3840
3841   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
3842                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
3843     AC_TRY_COMPILE([#include <krb5.h>],
3844       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
3845       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
3846       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
3847
3848   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
3849     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
3850               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
3851   fi
3852
3853   AC_CACHE_CHECK([for KV5M_KEYTAB],
3854                  samba_cv_HAVE_KV5M_KEYTAB,[
3855     AC_TRY_COMPILE([#include <krb5.h>],
3856       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
3857       samba_cv_HAVE_KV5M_KEYTAB=yes,
3858       samba_cv_HAVE_KV5M_KEYTAB=no)])
3859
3860   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
3861       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
3862              [Whether the KV5M_KEYTAB option is available])
3863   fi
3864
3865   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
3866                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
3867     AC_TRY_COMPILE([#include <krb5.h>],
3868       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
3869       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
3870       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
3871
3872   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
3873     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
3874               [Whether KRB5_KU_OTHER_CKSUM is available])
3875   fi
3876
3877   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
3878                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
3879     AC_TRY_COMPILE([#include <krb5.h>],
3880       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
3881       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
3882       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
3883
3884   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
3885     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
3886               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
3887   fi
3888
3889   AC_CACHE_CHECK([for the krb5_princ_component macro],
3890                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
3891     AC_TRY_LINK([#include <krb5.h>],
3892       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
3893       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
3894       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
3895
3896   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
3897     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
3898                [Whether krb5_princ_component is available])
3899   fi
3900
3901   AC_CACHE_CHECK([for key in krb5_keytab_entry],
3902                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
3903     AC_TRY_COMPILE([#include <krb5.h>],
3904       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
3905       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
3906       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
3907
3908   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
3909     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
3910               [Whether krb5_keytab_entry has key member])
3911   fi
3912
3913   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
3914                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
3915     AC_TRY_COMPILE([#include <krb5.h>],
3916       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
3917       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
3918       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
3919
3920   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
3921     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
3922               [Whether krb5_keytab_entry has keyblock member])
3923   fi
3924
3925   AC_CACHE_CHECK([for magic in krb5_address],
3926                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
3927     AC_TRY_COMPILE([#include <krb5.h>],
3928       [krb5_address addr; addr.magic = 0;],
3929       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
3930       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
3931
3932   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
3933     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
3934               [Whether the krb5_address struct has a magic property])
3935   fi
3936
3937   AC_CACHE_CHECK([for WRFILE: keytab support],
3938                 samba_cv_HAVE_WRFILE_KEYTAB,[
3939     AC_TRY_RUN([
3940 #include<krb5.h>
3941   main()
3942   {
3943     krb5_context context;
3944     krb5_keytab keytab;
3945
3946     krb5_init_context(&context);
3947     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
3948   }],
3949   samba_cv_HAVE_WRFILE_KEYTAB=yes,
3950   samba_cv_HAVE_WRFILE_KEYTAB=no)])
3951
3952   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
3953       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
3954                [Whether the WRFILE:-keytab is supported])
3955   fi
3956
3957   AC_CACHE_CHECK([for krb5_realm type],
3958                 samba_cv_HAVE_KRB5_REALM_TYPE,[
3959     AC_TRY_COMPILE([#include <krb5.h>],
3960       [krb5_realm realm;],
3961       samba_cv_HAVE_KRB5_REALM_TYPE=yes,
3962       samba_cv_HAVE_KRB5_REALM_TYPE=no)])
3963
3964   if test x"$samba_cv_HAVE_KRB5_REALM_TYPE" = x"yes"; then
3965     AC_DEFINE(HAVE_KRB5_REALM_TYPE,1,
3966                [Whether the type krb5_realm exists])
3967   fi
3968
3969   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
3970                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
3971     AC_TRY_COMPILE([#include <krb5.h>],
3972     [
3973     krb5_context context;
3974     krb5_principal principal;
3975     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
3976     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
3977     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
3978
3979   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
3980     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
3981               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
3982   fi
3983
3984   AC_CACHE_CHECK([for krb5_addresses type],
3985                 samba_cv_HAVE_KRB5_ADDRESSES,[
3986     AC_TRY_COMPILE([#include <krb5.h>],
3987       [krb5_addresses addr;],
3988       samba_cv_HAVE_KRB5_ADDRESSES=yes,
3989       samba_cv_HAVE_KRB5_ADDRESSES=no)])
3990
3991   if test x"$samba_cv_HAVE_KRB5_ADDRESSES" = x"yes"; then
3992     AC_DEFINE(HAVE_KRB5_ADDRESSES,1,
3993                [Whether the type krb5_addresses type exists])
3994   fi
3995
3996   if test x"$ac_cv_func_ext_krb5_enctype_to_string" = x"yes"; then
3997     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_context context, krb5_enctype enctype, char **str)],
3998         smb_krb5_cv_enctype_to_string_takes_krb5_context_arg,[
3999         AC_TRY_RUN_STRICT([
4000                 #include <stdlib.h>
4001                 #include <krb5.h>
4002                 int main(void) {
4003                         krb5_context context = NULL;
4004                         char *str = NULL;
4005                         krb5_enctype_to_string(context, 1, &str);
4006                         if (str) free (str); 
4007                         return 0;
4008                 }
4009                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
4010                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=yes,
4011                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=no)])
4012
4013     if test x"$smb_krb5_cv_enctype_to_string_takes_krb5_context_arg" = x"yes"; then
4014       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG,1,
4015                 [whether krb5_enctype_to_string takes krb5_context argument])
4016     fi
4017
4018     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_enctype enctype, char *str, size_t len)],
4019         smb_krb5_cv_enctype_to_string_takes_size_t_arg,[
4020         AC_TRY_RUN_STRICT([
4021                 #include <krb5.h>
4022                 int main(void) {
4023                         char buf[256];
4024                         krb5_enctype_to_string(1, buf, 256);
4025                         return 0;
4026                 }
4027                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
4028                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=yes,
4029                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=no)])
4030
4031     if test x"$smb_krb5_cv_enctype_to_string_takes_size_t_arg" = x"yes"; then
4032       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG,1,
4033                 [whether krb5_enctype_to_string takes size_t argument])
4034     fi
4035   fi
4036
4037   AC_CACHE_CHECK([for krb5_principal_get_realm],
4038                 samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM,[
4039     AC_TRY_LINK([#include <krb5.h>],
4040       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_principal_get_realm(ctx, princ);],
4041       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=yes,
4042       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=no)])
4043
4044   if test x"$samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM" = x"yes"; then
4045     AC_DEFINE(HAVE_KRB5_PRINCIPAL_GET_REALM,1,
4046                [Whether the function krb5_principal_get_realm is defined])
4047   fi
4048
4049   AC_CACHE_CHECK([for krb5_princ_realm],
4050                 samba_cv_HAVE_KRB5_PRINC_REALM,[
4051     AC_TRY_LINK([#include <krb5.h>],
4052       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_princ_realm(ctx, princ)->data;],
4053       samba_cv_HAVE_KRB5_PRINC_REALM=yes,
4054       samba_cv_HAVE_KRB5_PRINC_REALM=no)])
4055
4056   if test x"$samba_cv_HAVE_KRB5_PRINC_REALM" = x"yes"; then
4057     AC_DEFINE(HAVE_KRB5_PRINC_REALM,1,
4058                [Whether the macro krb5_princ_realm is defined])
4059   fi
4060
4061   AC_HAVE_DECL(KRB5_PDU_NONE,[#include <krb5.h>])
4062
4063   AC_CACHE_CHECK([for flags in krb5_creds],
4064                 samba_cv_HAVE_FLAGS_IN_KRB5_CREDS,[
4065     AC_TRY_COMPILE([#include <krb5.h>],
4066       [krb5_creds creds; creds.flags.b.initial = 0;],
4067       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=yes,
4068       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=no)])
4069
4070   if test x"$samba_cv_HAVE_FLAGS_IN_KRB5_CREDS" = x"yes"; then
4071     AC_DEFINE(HAVE_FLAGS_IN_KRB5_CREDS,1,
4072                [Whether the krb5_creds struct has a flags property])
4073   fi
4074   #
4075   #
4076   # Now the decisions whether we can support krb5
4077   #
4078   # NOTE: all tests should be done before this block!
4079   #
4080   #
4081   if test x"$found_arcfour_hmac" != x"yes"; then
4082     AC_MSG_WARN(arcfour-hmac-md5 encryption type not found in -lkrb5)
4083     use_ads=no
4084   fi
4085
4086   if test x"$ac_cv_func_ext_krb5_set_real_time" != x"yes"; then
4087     AC_MSG_WARN(krb5_set_real_time encryption type not found in -lkrb5)
4088     use_ads=no
4089   fi
4090
4091   if test x"$ac_cv_lib_ext_krb5_krb5_mk_req_extended" != x"yes"; then
4092     AC_MSG_WARN(krb5_mk_req_extended not found in -lkrb5)
4093     use_ads=no
4094   fi
4095
4096   if test x"$ac_cv_func_ext_krb5_get_host_realm" != x"yes"
4097   then
4098     AC_MSG_WARN(krb5_get_host_realm not found in -lkrb5)
4099     use_ads=no
4100   fi
4101
4102   if test x"$ac_cv_func_ext_krb5_free_host_realm" != x"yes"
4103   then
4104     AC_MSG_WARN(krb5_free_host_realm not found in -lkrb5)
4105     use_ads=no
4106   fi
4107
4108   if test x"$ac_cv_func_ext_krb5_fwd_tgt_creds" != x"yes"
4109   then
4110     AC_MSG_WARN(krb5_fwd_tgt_creds not found in -lkrb5)
4111     use_ads=no
4112   fi
4113
4114   if test x"$ac_cv_func_ext_krb5_get_init_creds_opt_alloc" != x"yes"
4115   then
4116     AC_MSG_WARN(krb5_get_init_creds_opt_alloc found in -lkrb5)
4117     use_ads=no
4118   fi
4119
4120   if test x"$smb_krb5_cv_creds_opt_free_context" != x"yes"
4121   then
4122     AC_MSG_WARN(krb5_get_init_creds_opt_free not found or was too old in -lkrb5)
4123     use_ads=no
4124   fi
4125
4126   if test x"$ac_cv_func_ext_krb5_get_renewed_creds" != x"yes"
4127   then
4128     AC_MSG_WARN(krb5_get_renewed_creds not found in -lkrb5)
4129     use_ads=no
4130   fi
4131
4132   if test x"$ac_cv_func_ext_krb5_principal_compare_any_realm" != x"yes"
4133   then
4134     AC_MSG_WARN(krb5_principal_compare_any_realm not found in -lkrb5)
4135     use_ads=no
4136   fi
4137
4138   if test x"$ac_cv_func_ext_krb5_principal2salt" != x"yes" -o \
4139           x"$ac_cv_func_ext_krb5_c_string_to_key" != x"yes"
4140   then
4141         if test x"$ac_cv_func_ext_krb5_get_pw_salt" != x"yes" -o \
4142              x"$ac_cv_func_ext_krb5_string_to_key_salt" != x"yes"
4143         then
4144               AC_MSG_WARN(no CREATE_KEY_FUNCTIONS detected)
4145               use_ads=no
4146         fi
4147   fi
4148
4149   if test x"$ac_cv_func_ext_krb5_get_permitted_enctypes" != x"yes" -a \
4150           x"$ac_cv_func_ext_krb5_get_default_in_tkt_etypes" != x"yes"
4151   then
4152     AC_MSG_WARN(no GET_ENCTYPES_FUNCTIONS detected)
4153     use_ads=no
4154   fi
4155
4156   if test x"$ac_cv_func_ext_krb5_kt_free_entry" != x"yes" -a \
4157           x"$ac_cv_func_ext_krb5_free_keytab_entry_contents" != x"yes"
4158   then
4159     AC_MSG_WARN(no KT_FREE_FUNCTION detected)
4160     use_ads=no
4161   fi
4162
4163   if test x"$ac_cv_func_ext_krb5_c_verify_checksum" != x"yes"
4164   then
4165     AC_MSG_WARN(krb5_c_verify_checksum not found in -lkrb5)
4166     use_ads=no
4167   fi
4168
4169   if test x"$ac_cv_func_ext_gss_wrap_iov" != x"yes" ; then
4170     AC_MSG_WARN(gss_wrap_iov not found in -lgssapi)
4171     use_ads=no
4172   fi
4173
4174   if test x"$ac_cv_func_ext_gss_get_name_attribute" != x"yes" ; then
4175     if test x"$ac_cv_func_ext_gsskrb5_extract_authz_data_from_sec_context" != x"yes" -o \
4176             x"$ac_cv_func_ext_gss_inquire_sec_context_by_oid" != x"yes"
4177     then
4178       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)
4179       use_ads=no
4180     fi
4181   fi
4182
4183   if test x"$use_ads" = x"yes"; then
4184     AC_DEFINE(WITH_ADS,1,[Whether to include Active Directory support])
4185     AC_DEFINE(HAVE_KRB5,1,[Whether to have KRB5 support])
4186   else
4187     if test x"$with_ads_support" = x"yes"; then
4188         AC_MSG_ERROR(krb5 libs don't have all features required for Active Directory support)
4189     else
4190         AC_MSG_WARN(krb5 libs don't have all features required for Active Directory support)
4191     fi
4192     AC_REMOVE_DEFINE(HAVE_KRB5_H)
4193     AC_REMOVE_DEFINE(HAVE_GSSAPI_H)
4194     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_GENERIC_H)
4195     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_H)
4196     AC_REMOVE_DEFINE(HAVE_GSSAPI)
4197     KRB5_LIBS=""
4198     with_ads_support=no
4199   fi
4200   AC_MSG_CHECKING(whether Active Directory and krb5 support is used)
4201   AC_MSG_RESULT([$use_ads])
4202
4203 LIBS="$ac_save_LIBS"
4204 fi
4205
4206 AC_CHECK_LIB_EXT(nscd, NSCD_LIBS, nscd_flush_cache)
4207 PASSDB_LIBS="$PASSDB_LIBS $NSCD_LIBS"
4208
4209
4210 ########################################################
4211 # Compile with DNS Updates support?
4212
4213 with_dnsupdate_support=auto
4214 AC_MSG_CHECKING([whether to enable DNS Updates support])
4215
4216 AC_ARG_WITH(dnsupdate,
4217 [AS_HELP_STRING([--with-dnsupdate], [Enable DNS Updates support (default=auto)])],
4218 [ case "$withval" in
4219     yes|no)
4220         with_dnsupdate_support=$withval
4221         ;;
4222   esac ])
4223
4224 AC_MSG_RESULT($with_dnsupdate_support)
4225
4226 if test x"$with_dnsupdate_support" != x"no"; then
4227
4228   ################################################################
4229   # first test for AD / GSSAPI support being enabled
4230         if test x"$have_gssapi" != xyes -o x"$use_ads" != xyes ; then
4231                 if test x"$with_dnsupdate_support" = x"yes" ; then
4232                         AC_MSG_ERROR(DNS Updates support only possible with AD and GSSAPI support)
4233                 else
4234                         AC_MSG_NOTICE(DNS Updates support only possible with AD and GSSAPI support)
4235                         with_dnsupdate_support=no
4236                 fi
4237         fi
4238 fi
4239
4240 if test x"$with_dnsupdate_support" != x"no"; then
4241       AC_DEFINE(WITH_DNS_UPDATES,1,[Whether to enable DNS Update support])
4242 fi
4243
4244   # finally print out the result:
4245 AC_MSG_CHECKING(whether DNS Updates support is used)
4246 AC_MSG_RESULT([$with_dnsupdate_support])
4247
4248
4249 #################################################
4250 # check for automount support
4251 AC_MSG_CHECKING(whether to use automount)
4252 AC_ARG_WITH(automount,
4253 [AS_HELP_STRING([--with-automount], [Include automount support (default=no)])],
4254 [ case "$withval" in
4255   yes)
4256     AC_MSG_RESULT(yes)
4257     AC_DEFINE(WITH_AUTOMOUNT,1,[Whether to include automount support])
4258     ;;
4259   *)
4260     AC_MSG_RESULT(no)
4261     ;;
4262   esac ],
4263   AC_MSG_RESULT(no)
4264 )
4265
4266 #################################################
4267 # Check for a PAM clear-text auth, accounts, password
4268 # and session support. Most PAM implementations keep their
4269 # headers in /usr/include/security. Darwin keeps its in
4270 # /usr/include/pam.
4271
4272 with_pam_for_crypt=no
4273 try_pam=auto
4274 AC_MSG_CHECKING(whether to try PAM support)
4275 AC_ARG_WITH(pam,
4276 [AS_HELP_STRING([--with-pam], [Include PAM support (default=auto)])],
4277 [ case "$withval" in
4278   yes|no|auto)
4279     try_pam=$withval
4280     ;;
4281   esac
4282 ])
4283 AC_MSG_RESULT([$try_pam])
4284
4285 use_pam=no
4286 create_pam_modules=no
4287 if test x"${try_pam}" != x"no";then
4288         use_pam=yes
4289         create_pam_modules=yes
4290
4291         # Most systems have PAM headers in /usr/include/security, but Darwin
4292         # has them in /usr/include/pam.
4293         AC_CHECK_HEADERS(security/pam_appl.h pam/pam_appl.h)
4294         if test x"$ac_cv_header_security_pam_appl_h" != x"yes" -a \
4295                 x"$ac_cv_header_pam_pam_appl_h" != x"yes"; then
4296                 if test x"${try_pam}" = x"yes";then
4297                         AC_MSG_ERROR([--with-pam=yes but pam_appl.h not found])
4298                 fi
4299                 use_pam=no
4300                 create_pam_modules=no
4301         fi
4302
4303         AC_CHECK_LIB_EXT(pam, PAM_LIBS, pam_get_data)
4304         if test x"$ac_cv_lib_ext_pam_pam_get_data" != x"yes"; then
4305                 if test x"${try_pam}" = x"yes";then
4306                         AC_MSG_ERROR([--with-pam=yes but libpam not found])
4307                 fi
4308                 use_pam=no
4309                 create_pam_modules=no
4310         fi
4311
4312         AC_CHECK_HEADERS(security/pam_modules.h pam/pam_modules.h,,,[[
4313                 #if HAVE_SECURITY_PAM_APPL_H
4314                 #include <security/pam_appl.h>
4315                 #endif
4316                 #if HAVE_PAM_PAM_APPL_H
4317                 #include <pam/pam_appl.h>
4318                 #endif
4319         ]])
4320         if test x"$ac_cv_header_security_pam_modules_h" = x"no" -a \
4321                 x"$ac_cv_header_pam_pam_modules_h" = x"no" ; then
4322                 if test x"${try_pam}" = x"yes";then
4323                         AC_MSG_ERROR([--with-pam=yes but pam_modules.h not found])
4324        fi
4325                 create_pam_modules=no
4326     fi
4327
4328         if test x"$use_pam" = x"yes"; then
4329     AC_DEFINE(WITH_PAM,1,[Whether to include PAM support])
4330                 AC_DEFINE(HAVE_LIBPAM,1,[Whether libpam is available])
4331                 AUTH_LIBS="$AUTH_LIBS $PAM_LIBS"
4332     with_pam_for_crypt=yes
4333
4334                 if test x"$create_pam_modules" = x"yes"; then
4335                         AC_DEFINE(WITH_PAM_MODULES,1,[Whether to include PAM MODULES support])
4336                         # this checks are optional,
4337                         # we don't care about the results here
4338                         AC_CHECK_HEADERS(security/pam_ext.h security/_pam_macros.h)
4339                         AC_CHECK_HEADERS(pam/pam_ext.h pam/_pam_macros.h)
4340                         AC_CHECK_FUNC_EXT(pam_vsyslog,$PAM_LIBS)
4341                 else
4342                         AC_MSG_WARN([PAM support detected but PAM MODULES support is missing])          
4343                 fi
4344         fi
4345         AC_MSG_CHECKING(whether to use PAM support)
4346         AC_MSG_RESULT([$use_pam])
4347
4348         AC_MSG_CHECKING(whether to have PAM MODULES support)
4349         AC_MSG_RESULT([$create_pam_modules])
4350
4351         AC_TRY_COMPILE([
4352                 #if defined(HAVE_SECURITY_PAM_APPL_H)
4353                 #include <security/pam_appl.h>
4354                 #elif defined(HAVE_PAM_PAM_APPL_H)
4355                 #include <pam/pam_appl.h>
4356                 #endif],[
4357                 pam_set_item(0, PAM_RHOST, 0);
4358                 ],
4359                 AC_DEFINE(HAVE_PAM_RHOST, 1,
4360                           [Define to 1 if PAM_RHOST is available]),[])
4361
4362         AC_TRY_COMPILE([
4363                 #if defined(HAVE_SECURITY_PAM_APPL_H)
4364                 #include <security/pam_appl.h>
4365                 #elif defined(HAVE_PAM_PAM_APPL_H)
4366                 #include <pam/pam_appl.h>
4367                 #endif],[
4368                 pam_set_item(0, PAM_TTY, 0);
4369                 ],
4370                 AC_DEFINE(HAVE_PAM_TTY, 1,
4371                           [Define to 1 if PAM_TTY is available]),[])
4372
4373 fi # try_pam != no
4374
4375 #################################################
4376 # check for PAM_RADIO_TYPE
4377 AC_TRY_COMPILE([
4378 #if (!defined(LINUX))
4379
4380 #define PAM_EXTERN extern
4381 #if defined(HAVE_SECURITY_PAM_APPL_H)
4382 #include <security/pam_appl.h>
4383 #elif defined(HAVE_PAM_PAM_APPL_H)
4384 #include <pam/pam_appl.h>
4385 #endif
4386
4387 #endif
4388
4389 #if defined(HAVE_SECURITY_PAM_MODULES_H)
4390 #include <security/pam_modules.h>
4391 #elif defined(HAVE_PAM_PAM_MODULES_H)
4392 #include <pam/pam_modules.h>
4393 #endif
4394
4395 #if defined(HAVE_SECURITY__PAM_MACROS_H)
4396 #include <security/_pam_macros.h>
4397 #elif defined(HAVE_PAM__PAM_MACROS_H)
4398 #include <pam/_pam_macros.h>
4399 #endif
4400
4401 #ifdef HAVE_SECURITY_PAM_EXT_H
4402 #include <security/pam_ext.h>
4403 #endif
4404 ],
4405 [int i; i = PAM_RADIO_TYPE; ],
4406 AC_DEFINE(HAVE_PAM_RADIO_TYPE, 1, [Define to 1 if PAM_RADIO_TYPE is available]),[])
4407
4408 #################################################
4409 # check for pam_smbpass support
4410 PAM_MODULES=""
4411 INSTALL_PAM_MODULES=""
4412 UNINSTALL_PAM_MODULES=""
4413
4414 try_pam_smbpass=auto
4415 AC_MSG_CHECKING(whether to use pam_smbpass)
4416 AC_ARG_WITH(pam_smbpass,
4417 [AS_HELP_STRING([--with-pam_smbpass], [Build PAM module for authenticating against passdb backends (default=auto)])],
4418 [ case "$withval" in
4419   yes|no|auto)
4420     try_pam_smbpass=$withval
4421   ;;
4422   *)
4423     AC_MSG_ERROR([valid options are yes,no,auto])
4424   ;;
4425   esac
4426 ])
4427
4428 if test x"${try_pam_smbpass}" = xno ; then
4429         use_pam_smbpass=no
4430 else
4431         use_pam_smbpass=yes
4432         # Conditions under which pam_smbpass can't be built.
4433         if test x"$BLDSHARED" != xtrue ; then
4434                 if test x"${try_pam_smbpass}" = xyes ; then
4435                         AC_MSG_ERROR([No support for shared modules])
4436                 fi
4437                 use_pam_smbpass=no
4438         elif test x"$create_pam_modules" != xyes ; then
4439                 if test x"${try_pam_smbpass}" = xyes ; then
4440                         AC_MSG_ERROR([No support for PAM MODULES])
4441                 fi
4442                 use_pam_smbpass=no
4443         fi
4444
4445         if test x"${use_pam_smbpass}" = xyes ; then 
4446                 PAM_MODULES="pam_smbpass"
4447                 INSTALL_PAM_MODULES="installpammodules"
4448                 UNINSTALL_PAM_MODULES="uninstallpammodules"
4449         fi
4450 fi
4451 AC_MSG_RESULT([$use_pam_smbpass])
4452
4453
4454 ##
4455 ## moved after the check for -lcrypt in order to
4456 ## ensure that the&nb