s3:autoconf: add -Iautoconf -Iautoconf/source3 at configure stage
[kai/samba.git] / source3 / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2
3 dnl We must use autotools 2.54 or above
4 AC_PREREQ(2.54)
5
6 AC_INIT([Samba],[3],[samba-technical@samba.org])
7
8 AC_CONFIG_SRCDIR([include/includes.h])
9 AC_CONFIG_HEADER(include/autoconf/config.h)
10 AC_DEFINE(CONFIG_H_IS_FROM_SAMBA,1,[Marker for samba's config.h])
11
12 case "$PATH" in
13     */usr/ucb*)
14         AC_MSG_WARN([\$PATH contains /usr/ucb - build errors may follow])
15         ;;
16 esac 
17
18 builddir=`pwd`
19 AC_SUBST(builddir)
20
21 m4_include(m4/samba_version.m4)
22 m4_include(m4/check_path.m4)
23 m4_include(pkg.m4)
24
25 AC_LIBREPLACE_CC_CHECKS
26 AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
27
28 m4_include(../lib/tevent/libtevent.m4)
29 m4_include(../lib/ccan/libccan.m4)
30
31 LIBTEVENT_OBJ0=""
32 for obj in ${TEVENT_OBJ}; do
33         LIBTEVENT_OBJ0="${LIBTEVENT_OBJ0} ${teventdir}/${obj}"
34 done
35 AC_SUBST(LIBTEVENT_OBJ0)
36 LIBS="${LIBS} ${TEVENT_LIBS}"
37
38 SAMBA_CPPFLAGS="-Iinclude/autoconf -Iautoconf -Iautoconf/source3"
39 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -Iinclude -I${srcdir-.}/include  -I. -I${srcdir-.}"
40 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/replace"
41 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TEVENT_CFLAGS}"
42 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${CCAN_CFLAGS}"
43 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/librpc"
44 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/.."
45 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/tdb_compat"
46
47 SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/popt"
48
49 ## cleanup the $(srcdir) in the Makefile if we are outside of the tree
50 if test "x${srcdir-.}" != "x."; then
51         SAMBA_CPPFLAGS=`echo ${SAMBA_CPPFLAGS} | sed -e "s;${srcdir};\$\(srcdir\);g"`
52 fi
53
54 dnl Unique-to-Samba variables we'll be playing with.
55 AC_SUBST(SAMBA_CPPFLAGS)
56 AC_SUBST(SHELL)
57 AC_SUBST(LDSHFLAGS)
58 AC_SUBST(SONAMEFLAG)
59 AC_SUBST(SHLD)
60 AC_SUBST(MODULE_EXPORTS)
61 AC_SUBST(DSO_EXPORTS)
62 AC_SUBST(HOST_OS)
63 AC_SUBST(PICFLAG)
64 AC_SUBST(PIE_CFLAGS)
65 AC_SUBST(PIE_LDFLAGS)
66 AC_SUBST(RELRO_LDFLAGS)
67 AC_SUBST(SHLIBEXT)
68 AC_SUBST(INSTALLLIBCMD_SH)
69 AC_SUBST(INSTALLLIBCMD_A)
70 AC_SUBST(UNINSTALLLIBCMD_SH)
71 AC_SUBST(UNINSTALLLIBCMD_A)
72
73 AC_SUBST(INSTALL_LIBWBCLIENT)
74 AC_SUBST(UNINSTALL_LIBWBCLIENT)
75 AC_SUBST(LIBWBCLIENT_SHARED_TARGET)
76 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_SOVER)
77 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_FULLVER)
78 AC_SUBST(LIBWBCLIENT_SHARED)
79 AC_SUBST(LIBWBCLIENT_STATIC_TARGET)
80 AC_SUBST(LIBWBCLIENT_STATIC)
81 AC_SUBST(LIBWBCLIENT_SOVER)
82 AC_SUBST(LIBWBCLIENT_FULLVER)
83 AC_SUBST(LIBWBCLIENT)
84 AC_SUBST(LIBWBCLIENT_LIBS)
85
86 AC_SUBST(LIBSAMBAUTIL_SHARED)
87
88 AC_SUBST(PRINT_LIBS)
89 AC_SUBST(AUTH_LIBS)
90 AC_SUBST(ACL_LIBS)
91 AC_SUBST(PASSDB_LIBS)
92 AC_SUBST(IDMAP_LIBS)
93 AC_SUBST(KRB5_LIBS)
94 AC_SUBST(LDAP_LIBS)
95 AC_SUBST(GPEXT_LIBS)
96 AC_SUBST(PAM_MODULES)
97 AC_SUBST(INSTALL_PAM_MODULES)
98 AC_SUBST(UNINSTALL_PAM_MODULES)
99 AC_SUBST(NSS_MODULES)
100 AC_SUBST(EXTRA_BIN_PROGS)
101 AC_SUBST(CIFSMOUNT_PROGS)
102 AC_SUBST(INSTALL_CIFSMOUNT)
103 AC_SUBST(UNINSTALL_CIFSMOUNT)
104 AC_SUBST(CIFSUMOUNT_PROGS)
105 AC_SUBST(INSTALL_CIFSUMOUNT)
106 AC_SUBST(UNINSTALL_CIFSUMOUNT)
107 AC_SUBST(CIFSUPCALL_PROGS)
108 AC_SUBST(INSTALL_CIFSUPCALL)
109 AC_SUBST(UNINSTALL_CIFSUPCALL)
110 AC_SUBST(EXTRA_SBIN_PROGS)
111 AC_SUBST(EXTRA_ALL_TARGETS)
112 AC_SUBST(CONFIG_LIBS)
113 AC_SUBST(NSCD_LIBS)
114
115 # compile with optimization and without debugging by default, but
116 # allow people to set their own preference.
117 # do this here since AC_CACHE_CHECK apparently sets the CFLAGS to "-g -O2"
118 # if it has no value.  This prevent *very* large debug binaries from occurring
119 # by default.
120 if test "x$debug" = "xyes" ; then
121         CFLAGS="${CFLAGS} -g"
122 fi
123 if test "x$CFLAGS" = x; then
124   CFLAGS="-O"
125 fi
126
127 m4_include(../lib/socket_wrapper/config.m4)
128 m4_include(../lib/nss_wrapper/config.m4)
129 m4_include(../lib/uid_wrapper/config.m4)
130
131 m4_include(m4/swat.m4)
132
133 DEVELOPER_CFLAGS="-DDEBUG_PASSWORD -DDEVELOPER"
134
135 # Probe the gcc version for extra CFLAGS. We always stash these in
136 # DEVELOPER_CFLAGS, so that you can turn them on and off with a simple
137 # Makefile edit, avoiding the need to re-run configure.
138 if test x"$ac_cv_prog_gcc" = x"yes" ; then
139         DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -g -Wall -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings"
140         # Add -Wdeclaration-after-statement if compiler supports it
141         AC_CACHE_CHECK(
142           [that the C compiler understands -Wdeclaration-after-statement],
143           samba_cv_HAVE_Wdeclaration_after_statement, [
144           AC_TRY_RUN_STRICT([
145             int main(void)
146             {
147                 return 0;
148             }],[$CFLAGS -Wdeclaration-after-statement],[$CPPFLAGS],[$LDFLAGS],
149             samba_cv_HAVE_Wdeclaration_after_statement=yes,
150             samba_cv_HAVE_Wdeclaration_after_statement=no,
151             samba_cv_HAVE_Wdeclaration_after_statement=cross)
152        ])
153
154         if test x"$samba_cv_HAVE_Wdeclaration_after_statement" = x"yes"; then
155             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Wdeclaration-after-statement"
156         fi
157
158         #-Werror-implicit-function-declaration
159         AC_CACHE_CHECK(
160           [that the C compiler understands -Werror-implicit-function-declaration],
161           samba_cv_HAVE_Werror_implicit_function_declaration, [
162           AC_TRY_RUN_STRICT([
163             int main(void)
164             {
165                 return 0;
166             }],[$CFLAGS -Werror-implicit-function-declaration],[$CPPFLAGS],[$LDFLAGS],
167             samba_cv_HAVE_Werror_implicit_function_declaration=yes,
168             samba_cv_HAVE_Werror_implicit_function_declaration=no,
169             samba_cv_HAVE_Werror_implicit_function_declaration=cross)
170        ])
171        if test x"$samba_cv_HAVE_Werror_implicit_function_declaration" = x"yes"; then
172             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Werror-implicit-function-declaration"
173        fi
174
175         # krb5developer is like developer, except we don't get
176         # -Wstrict-prototypes.
177        if test x"$krb5_developer" != x"$yes" ; then
178             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Wstrict-prototypes"
179        fi
180
181        if test x"$picky_developer" = x"yes"; then
182             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Werror"
183        fi
184 fi
185
186 #################################################
187 # check for a shared memory profiling support
188 AC_MSG_CHECKING(whether to use profiling)
189 AC_ARG_WITH(profiling-data,
190 [AS_HELP_STRING([--with-profiling-data], [Include gathering source code profile information (default=no)])],
191 [ case "$withval" in
192   yes)
193     AC_MSG_RESULT(yes)
194     AC_DEFINE(WITH_PROFILE,1,[Whether to use profiling])
195     samba_cv_WITH_PROFILE=yes
196     ;;
197   *)
198     AC_MSG_RESULT(no)
199     samba_cv_WITH_PROFILE=no
200     ;;
201   esac ],
202   AC_MSG_RESULT(no)
203 )
204
205 dnl Checks for programs.
206 AC_ARG_ENABLE(smbtorture4,
207         [AS_HELP_STRING([--enable-smbtorture4], [Enable building smbtorture4 (default=auto)])])
208
209 if test x$enable_smbtorture4 != xno; then
210         smbtorture4_possible=yes
211 else
212         smbtorture4_possible=no
213 fi
214
215 AC_PROG_INSTALL
216 AC_PROG_AWK
217 # Check for GNU make
218 m4_include(../m4/check_make.m4)
219 AC_SAMBA_GNU_MAKE([true], [true])
220
221 # Check for perl
222 m4_include(../m4/check_perl.m4)
223 AC_SAMBA_PERL([true], [smbtorture4_possible=no])
224
225 # Check for python
226 m4_include(../m4/check_python.m4)
227 AC_SAMBA_PYTHON_DEVEL([true], [smbtorture4_possible=no])
228
229 AC_CHECK_TOOL(AR, ar)
230
231 dnl Check if we (actually our C compiler!) use GNU ld
232 AC_PROG_LD_GNU
233
234 dnl Certain versions of GNU ld the default is not to have the
235 dnl --allow-shlib-undefined flag defined.  This causes a stackload of
236 dnl warnings when building modules.
237 if test "$ac_cv_prog_gnu_ld" = "yes"; then
238         ac_cv_gnu_ld_version=`$CC -Wl,-v /dev/null 2>&1 < /dev/null | grep "GNU ld"`
239         AC_MSG_CHECKING(GNU ld release date)
240         changequote(,)dnl
241         ac_cv_gnu_ld_date=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
242         changequote([,])dnl
243         AC_MSG_RESULT(${ac_cv_gnu_ld_date})
244         if test -n "$ac_cv_gnu_ld_date"; then
245         if test "$ac_cv_gnu_ld_date" -lt 20030217; then
246                 ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
247         fi
248         if test "$ac_cv_gnu_ld_date" -gt 20030101; then
249                 ac_cv_gnu_ld_version_script=yes
250         fi
251         else
252            AC_MSG_CHECKING(GNU ld release version)
253            changequote(,)dnl
254            ac_cv_gnu_ld_vernr=`echo $ac_cv_gnu_ld_version | awk '{print $NF}' | sed -n 's,\([1-9][0-9]*\.[0-9][0-9]*\).*$,\1,p'`
255            ac_cv_gnu_ld_vernr_major=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 1`
256            ac_cv_gnu_ld_vernr_minor=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 2`
257            changequote([,])dnl
258            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr})
259            AC_MSG_CHECKING(GNU ld release version major)
260            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_major})
261            AC_MSG_CHECKING(GNU ld release version minor)
262            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_minor})
263            if test "$ac_cv_gnu_ld_vernr_major" -lt 2 || test "$ac_cv_gnu_ld_vernr_minor" -lt 14; then
264              ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
265            fi
266            if test "$ac_cv_gnu_ld_vernr_major" -gt 2 || test "$ac_cv_gnu_ld_vernr_major" = 2 && test "$ac_cv_gnu_ld_vernr_minor" -ge 12; then
267              ac_cv_gnu_ld_version_script=yes
268            fi
269         fi
270 fi
271
272 dnl Check if C compiler understands -c and -o at the same time
273 AC_PROG_CC_C_O
274 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
275       BROKEN_CC=
276 else
277       BROKEN_CC=#
278 fi
279 AC_SUBST(BROKEN_CC)
280
281 dnl Check if the C compiler understands -Werror (GNU)
282 AC_CACHE_CHECK([that the C compiler understands -Werror],samba_cv_HAVE_Werror, [
283  AC_TRY_RUN_STRICT([
284   int main(void)
285   {
286         return 0;
287   }],[$CFLAGS -Werror],[$CPPFLAGS],[$LDFLAGS],
288   samba_cv_HAVE_Werror=yes,samba_cv_HAVE_Werror=no,samba_cv_HAVE_Werror=cross)])
289 if test x"$samba_cv_HAVE_Werror" = x"yes"; then
290    Werror_FLAGS="-Werror"
291 else
292 dnl Check if the C compiler understands -w2
293 AC_CACHE_CHECK([that the C compiler understands -w2],samba_cv_HAVE_w2, [
294  AC_TRY_RUN_STRICT([
295   int main(void)
296   {
297         return 0;
298   }],[$CFLAGS -w2],[$CPPFLAGS],[$LDFLAGS],
299   samba_cv_HAVE_w2=yes,samba_cv_HAVE_w2=no,samba_cv_HAVE_w2=cross)])
300 if test x"$samba_cv_HAVE_w2" = x"yes"; then
301    Werror_FLAGS="-w2"
302 else
303 dnl Check if the C compiler understands -errwarn (Sun)
304 AC_CACHE_CHECK([that the C compiler understands -errwarn],samba_cv_HAVE_errwarn, [
305   AC_TRY_RUN_STRICT([
306    int main(void)
307    {
308         return 0;
309    }],[$CFLAGS -errwarn=%all],[$CPPFLAGS],[$LDFLAGS],
310    samba_cv_HAVE_errwarn=yes,samba_cv_HAVE_errwarn=no,samba_cv_HAVE_errwarn=cross)])
311 if test x"$samba_cv_HAVE_errwarn" = x"yes"; then
312    Werror_FLAGS="-errwarn=%all"
313 else
314 dnl Check if the C compiler understands -qhalt (IBM)
315 AC_CACHE_CHECK([that the C compiler understands -qhalt],samba_cv_HAVE_qhalt, [
316   AC_TRY_RUN_STRICT([
317    int main(void)
318    {
319         return 0;
320    }],[$CFLAGS -qhalt=w],[$CPPFLAGS],[$LDFLAGS],
321    samba_cv_HAVE_qhalt=yes,samba_cv_HAVE_qhalt=no,samba_cv_HAVE_qhalt=cross)])
322 if test x"$samba_cv_HAVE_qhalt" = x"yes"; then
323    Werror_FLAGS="-qhalt=w"
324 fi
325 fi
326 fi
327 fi
328
329 ############################################
330 # check if the compiler can handle negative enum values
331 # and don't truncate the values to INT_MAX
332 # a runtime test is needed here
333 AC_SUBST(PIDL_ARGS)
334 AC_CACHE_CHECK([that the C compiler understands negative enum values],samba_cv_CC_NEGATIVE_ENUM_VALUES, [
335     AC_TRY_RUN(
336 [
337         #include <stdio.h>
338         enum negative_values { NEGATIVE_VALUE = 0xFFFFFFFF };
339         int main(void) {
340                 enum negative_values v1 = NEGATIVE_VALUE;
341                 unsigned v2 = NEGATIVE_VALUE;
342
343                 if (v1 != 0xFFFFFFFF) {
344                         printf("%u != 0xFFFFFFFF\n", v1);
345                         return 1;
346                 }
347                 if (v2 != 0xFFFFFFFF) {
348                         printf("%u != 0xFFFFFFFF\n", v2);
349                         return 1;
350                 }
351
352                 return 0;
353         }
354 ],
355         samba_cv_CC_NEGATIVE_ENUM_VALUES=yes,samba_cv_CC_NEGATIVE_ENUM_VALUES=no)])
356 if test x"$samba_cv_CC_NEGATIVE_ENUM_VALUES" != x"yes"; then
357         AC_MSG_WARN([using --uint-enums for pidl])
358         PIDL_ARGS="$PIDL_ARGS --uint-enums"
359 fi
360
361 dnl Figure out the flags to support named structure initializers
362
363 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_ERROR([c99 structure initializer are not supported])])
364
365 UNAME_S=`(uname -s) 2>/dev/null` || UNAME_S="unknown"
366 AC_MSG_CHECKING(uname -s)
367 AC_MSG_RESULT(${UNAME_S})
368
369 UNAME_R=`(uname -r) 2>/dev/null` || UNAME_R="unknown"
370 AC_MSG_CHECKING(uname -r)
371 AC_MSG_RESULT(${UNAME_R})
372
373 UNAME_M=`(uname -m) 2>/dev/null` || UNAME_M="unknown"
374 AC_MSG_CHECKING(uname -m)
375 AC_MSG_RESULT(${UNAME_M})
376
377 UNAME_P=`(uname -p) 2>/dev/null` || UNAME_P="unknown"
378 AC_MSG_CHECKING(uname -p)
379 AC_MSG_RESULT(${UNAME_P})
380
381 UNAME_I=`(uname -i) 2>/dev/null` || UNAME_I="unknown"
382 AC_MSG_CHECKING(uname -i)
383 AC_MSG_RESULT(${UNAME_I})
384
385 dnl Add #include for broken IRIX header files
386   case "$host_os" in
387         *irix6*)
388                 #TODO add to libreplace
389                 if test x"$ac_cv_prog_gcc" != x"yes" ; then
390                         dnl Fix sensible defaults for MIPSPro compilers. The
391                         dnl error numbers are valid for the 7.3 compilers,
392                         dnl hopefully also valid for the 7.4 series.
393                         dnl
394                         dnl Bugzilla 3801. Force an error on warning 1035
395                         dnl so we don't incorrectly detect stdint.h. This
396                         dnl warning is emitted for #error directives.
397                         CFLAGS="$CFLAGS -diag_error 1035"
398                         dnl 1209: Controlling expression is constant
399                         dnl 1174: Function foo declared but never referenced
400                         dnl 3201: Parameter foo was never referenced
401                         CFLAGS="$CFLAGS -woff 1209,1174,3201"
402                 fi
403         ;;
404 esac
405
406 DYNEXP=
407 AC_SUBST(DYNEXP)
408 LDSHFLAGS_Z_DEFS=
409 AC_SUBST(LDSHFLAGS_Z_DEFS)
410 LDSHFLAGS_Z_NODEFS=
411 AC_SUBST(LDSHFLAGS_Z_NODEFS)
412
413 dnl Add modules that have to be built by default here
414 dnl These have to be built static:
415 default_static_modules=""
416 default_static_modules="$default_static_modules pdb_smbpasswd"
417 default_static_modules="$default_static_modules pdb_tdbsam"
418 default_static_modules="$default_static_modules pdb_wbc_sam"
419 default_static_modules="$default_static_modules rpc_lsarpc"
420 default_static_modules="$default_static_modules rpc_samr"
421 default_static_modules="$default_static_modules rpc_winreg"
422 default_static_modules="$default_static_modules rpc_initshutdown"
423 default_static_modules="$default_static_modules rpc_dssetup"
424 default_static_modules="$default_static_modules rpc_wkssvc"
425 default_static_modules="$default_static_modules rpc_svcctl"
426 default_static_modules="$default_static_modules rpc_ntsvcs"
427 default_static_modules="$default_static_modules rpc_netlogon"
428 default_static_modules="$default_static_modules rpc_netdfs"
429 default_static_modules="$default_static_modules rpc_srvsvc"
430 default_static_modules="$default_static_modules rpc_spoolss"
431 default_static_modules="$default_static_modules rpc_eventlog"
432 default_static_modules="$default_static_modules auth_sam"
433 default_static_modules="$default_static_modules auth_unix"
434 default_static_modules="$default_static_modules auth_winbind"
435 default_static_modules="$default_static_modules auth_wbc"
436 default_static_modules="$default_static_modules auth_domain"
437 default_static_modules="$default_static_modules auth_builtin"
438 default_static_modules="$default_static_modules vfs_default"
439 default_static_modules="$default_static_modules nss_info_template"
440
441 dnl These are preferably build shared, and static if dlopen() is not available
442 default_shared_modules=""
443 default_shared_modules="$default_shared_modules vfs_recycle"
444 default_shared_modules="$default_shared_modules vfs_audit"
445 default_shared_modules="$default_shared_modules vfs_extd_audit"
446 default_shared_modules="$default_shared_modules vfs_full_audit"
447 default_shared_modules="$default_shared_modules vfs_netatalk"
448 default_shared_modules="$default_shared_modules vfs_fake_perms"
449 default_shared_modules="$default_shared_modules vfs_default_quota"
450 default_shared_modules="$default_shared_modules vfs_readonly"
451 default_shared_modules="$default_shared_modules vfs_cap"
452 default_shared_modules="$default_shared_modules vfs_expand_msdfs"
453 default_shared_modules="$default_shared_modules vfs_shadow_copy"
454 default_shared_modules="$default_shared_modules vfs_shadow_copy2"
455 default_shared_modules="$default_shared_modules auth_script"
456 default_shared_modules="$default_shared_modules vfs_readahead"
457 default_shared_modules="$default_shared_modules vfs_xattr_tdb"
458 default_shared_modules="$default_shared_modules vfs_streams_xattr"
459 default_shared_modules="$default_shared_modules vfs_streams_depot"
460 default_shared_modules="$default_shared_modules vfs_acl_xattr"
461 default_shared_modules="$default_shared_modules vfs_acl_tdb"
462 default_shared_modules="$default_shared_modules vfs_smb_traffic_analyzer"
463 default_shared_modules="$default_shared_modules vfs_preopen"
464 default_shared_modules="$default_shared_modules vfs_catia"
465 default_shared_modules="$default_shared_modules vfs_scannedonly"
466 default_shared_modules="$default_shared_modules vfs_crossrename"
467 default_shared_modules="$default_shared_modules vfs_linux_xfs_sgid"
468 default_shared_modules="$default_shared_modules vfs_time_audit"
469 default_shared_modules="$default_shared_modules idmap_autorid"
470 default_shared_modules="$default_shared_modules idmap_tdb2"
471 default_shared_modules="$default_shared_modules idmap_rid"
472 default_shared_modules="$default_shared_modules idmap_hash"
473
474 if test "x$developer" = xyes; then
475    default_shared_modules="$default_shared_modules perfcount_test"
476 fi
477
478
479 #
480 # Config CPPFLAG settings for strange OS's that must be set
481 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
482 # case statement; its first reference must be unconditional.
483 #
484 case "$host_os" in
485     *hpux*)
486 #
487 # Defines needed for HPUX support.
488 # HPUX has bigcrypt but (sometimes?) doesn't use it for
489 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
490 #
491       case `uname -r` in
492                 *9*|*10*|*11)
493                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
494                 ;;
495       esac
496       ;;
497
498 #
499 # CRAY Unicos has broken const handling
500        *unicos*)
501           AC_MSG_RESULT([disabling const])
502           CPPFLAGS="$CPPFLAGS -Dconst="
503           ;;
504         
505 #
506 # AIX4.x doesn't even admit to having large
507 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
508 #
509     *aix4*)
510           AC_MSG_RESULT([enabling large file support])
511           CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
512           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
513       ;;
514 #
515 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
516 # to the existance of large files..
517 #
518 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
519 #
520         *solaris*)
521                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
522                 LDFLAGS="$LDFLAGS -lthread"
523                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
524                 ;;
525 #
526 # IRIX uses SYSV printing.  Make sure to set that here
527 #
528         *irix*)
529                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
530                 ;;
531         *freebsd*|*dragonfly*)
532                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
533                 ;;
534 #
535 # VOS may need to have POSIX support and System V compatibility enabled.
536 #
537     *vos*)
538     case "$CPPFLAGS" in
539           *-D_POSIX_C_SOURCE*)
540                 ;;
541           *)
542                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
543                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
544                 ;;
545     esac
546     case "$CPPFLAGS" in
547           *-D_SYSV*|*-D_SVID_SOURCE*)
548                 ;;
549           *)
550                 CPPFLAGS="$CPPFLAGS -D_SYSV"
551                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
552     esac
553     ;;
554 # GNU systems
555 #
556     *linux* | *hurd* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
557         CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
558         AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
559         ;;
560
561 #
562 # MacOS X is the *only* system that uses compose character in utf8. This
563 # is so horribly broken....
564 #
565     *darwin*)
566         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
567
568 # Add a system specific charset module.
569         default_shared_modules="$default_shared_modules"
570
571         ;;
572     *qnx*)
573         ;;
574
575 esac
576
577 SAVE_CPPFLAGS="${CPPFLAGS}"
578 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
579
580 AC_LIBREPLACE_BROKEN_CHECKS
581 AC_CHECK_FUNCS([syslog],[],[AC_MSG_ERROR([Required function not found])])
582 AC_LIBREPLACE_NETWORK_CHECKS
583
584 CPPFLAGS="${SAVE_CPPFLAGS}"
585
586 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
587
588 LIBREPLACE_OBJS="${LIBREPLACEOBJ}"
589 AC_SUBST(LIBREPLACE_OBJS)
590
591 LIBREPLACE_LIBS="${LIBREPLACE_NETWORK_LIBS} ${LIBREPLACE_FILESYS_LIBS}"
592 AC_SUBST(LIBREPLACE_LIBS)
593
594
595 # add -ldl to the global LIBS
596 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
597 AUTH_LIBS="${AUTH_LIBS} ${CRYPT_LIBS}"
598
599
600 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
601 AC_CHECK_HEADERS(unistd.h grp.h sys/id.h memory.h alloca.h)
602 AC_CHECK_HEADERS(limits.h float.h libintl.h)
603 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
604 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h sys/sysctl.h)
605 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
606 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
607 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
608 AC_CHECK_HEADERS(sys/sysmacros.h)
609 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
610 AC_CHECK_HEADERS(langinfo.h locale.h)
611 AC_CHECK_HEADERS(xfs/libxfs.h)
612 AC_CHECK_HEADERS(netgroup.h)
613 AC_CHECK_HEADERS(linux/falloc.h)
614 AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
615
616 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
617 #if HAVE_RPC_RPC_H
618 #include <rpc/rpc.h>
619 #endif
620 ]])
621 CRYPTO_MD5_OBJ=
622 if test "x$ac_cv_header_CommonCrypto_CommonDigest_h" != "xyes"
623 then
624         CRYPTO_MD5_OBJ="../lib/crypto/md5.o"
625 fi
626 AC_SUBST(CRYPTO_MD5_OBJ)
627
628 ## These fail to compile on IRIX so just check for their presence
629 AC_CHECK_HEADERS(sys/mode.h,,,)
630
631 # Look for Darwin headers
632 old_CPPFLAGS="$CPPFLAGS"
633 CPPFLAGS="-Iinclude $CPPFLAGS"
634 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
635 CPPFLAGS="$old_CPPFLAGS"
636
637 # To link lib/util/charset/charset_macosxfs.c, we need to tell the linker
638 # about CoreFoundation, at least on os X 10.6 and 10.7
639 case "$host_os" in
640     *darwin11*|*darwin10*)
641                 LDFLAGS="$LDFLAGS -framework CoreFoundation"
642         ;;
643 esac
644
645 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
646 # subdirectory of headers.
647 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
648
649 if test x"$enable_developer" = x"yes" ; then
650    if test x"$ac_cv_header_valgrind_h" = xyes -o \
651            x"$ac_cv_header_valgrind_valgrind_h" = xyes ; then
652       AC_DEFINE(VALGRIND,1,[Whether we have valgrind headers])
653    fi
654 fi
655
656 #
657 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
658 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
659 #
660 case "$host_os" in
661     *hpux*)
662                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
663                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
664                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
665                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
666                 fi
667         ;;
668 esac
669 AC_CHECK_HEADERS(shadow.h)
670 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
671 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
672
673 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
674
675 # For experimental utmp support (lastlog on some BSD-like systems)
676 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
677
678 AC_CHECK_SIZEOF(int,cross)
679 AC_CHECK_SIZEOF(long,cross)
680 AC_CHECK_SIZEOF(long long,cross)
681 AC_CHECK_SIZEOF(short,cross)
682
683 AC_C_CONST
684 AC_C_INLINE
685 AC_C_BIGENDIAN
686 AC_C_CHAR_UNSIGNED
687
688 AC_TYPE_SIGNAL
689 AC_TYPE_UID_T
690 AC_TYPE_MODE_T
691 AC_TYPE_OFF_T
692 AC_TYPE_SIZE_T
693 AC_TYPE_PID_T
694 AC_STRUCT_ST_RDEV
695 AC_DIRENT_D_OFF
696 AC_CHECK_TYPE(ssize_t, int)
697 AC_CHECK_TYPE(wchar_t, unsigned short)
698
699 ############################################
700 # for cups support we need libcups, and a handful of header files
701
702 AC_ARG_ENABLE(cups,
703 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
704
705 if test x$enable_cups != xno; then
706         AC_PATH_PROG(CUPS_CONFIG, cups-config)
707
708         if test "x$CUPS_CONFIG" != x; then
709
710                 ac_save_LDFLAGS=$LDFLAGS
711                 ac_save_PRINT_LIBS=$PRINT_LIBS
712                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
713
714                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
715                         x"$ac_cv_header_cups_language_h" = xyes; then
716                         # try linking with -lcups alone first. That should work unless libcups is
717                         # underlinked. With cups-config --libs we pull in unwanted and unneeded
718                         # dendencies including thread libraries - use cups-config only if really
719                         # required. 
720                         AC_CHECK_LIB_EXT(cups, ac_save_PRINT_LIBS , httpConnect,
721                                 [PRINT_LIBS="$ac_save_PRINT_LIBS -lcups"],
722                                 [AC_MSG_WARN([your cups library doesn't link with -lcups alone, it might be underlinked.]) ;
723                                  PRINT_LIBS="$ac_save_PRINT_LIBS `$CUPS_CONFIG --libs`"])
724
725                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
726                         samba_cv_HAVE_CUPS=yes
727                         AC_CHECK_LIB_EXT(cups, PRINT_LIBS, httpConnectEncrypt)
728                 else
729                         AC_MSG_WARN([cups-config around but cups-devel not installed])
730                         CFLAGS=$ac_save_CFLAGS
731                         LDFLAGS=$ac_save_LDFLAGS
732                         PRINT_LIBS=$ac_save_PRINT_LIBS
733                 fi
734
735         elif test x"$enable_cups" = x"yes"; then
736                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
737         fi
738 fi
739
740 AC_ARG_ENABLE(iprint,
741 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
742
743 if test x$enable_iprint != xno; then
744         if test x"$samba_cv_HAVE_CUPS" = xyes; then
745                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
746         elif test x"$enable_iprint" = x"yes"; then
747                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
748         fi
749 fi
750
751 ############################################
752 # check if the compiler will optimize out function calls
753 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
754     AC_TRY_LINK([
755 #include <stdio.h>],
756 [
757                 if (0) {
758                    this_function_does_not_exist();
759                 } else {
760                   return 1;
761                 }
762
763 ],
764         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
765 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
766    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
767 fi
768
769 #############################################
770 # check for fd passing struct via msg_control
771 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
772     AC_TRY_COMPILE([
773 #include <sys/types.h>
774 #include <stdlib.h>
775 #include <stddef.h>
776 #include <sys/socket.h>
777 #include <sys/un.h>],
778 [
779         struct msghdr msg;
780         union {
781               struct cmsghdr cm;
782               char control[CMSG_SPACE(sizeof(int))];
783         } control_un;
784         msg.msg_control = control_un.control;
785         msg.msg_controllen = sizeof(control_un.control);
786 ],
787         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
788 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
789    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
790              [If we can use msg_control for passing file descriptors])
791 fi
792
793 #############################################
794 # check for fd passing struct via msg_acctrights
795 AC_CACHE_CHECK([for fd passing via msg_acctrights],
796                 samba_cv_msghdr_msg_acctrights, [
797     AC_TRY_COMPILE([
798 #include <sys/types.h>
799 #include <stdlib.h>
800 #include <stddef.h>
801 #include <sys/socket.h>
802 #include <sys/un.h>],
803 [
804         struct msghdr msg;
805         int fd;
806         msg.msg_acctrights = (caddr_t) &fd;
807         msg.msg_acctrightslen = sizeof(fd);
808 ],
809         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
810 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
811    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
812              [If we can use msg_acctrights for passing file descriptors])
813 fi
814
815 AC_CHECK_FUNCS(dirfd)
816 if test x"$ac_cv_func_dirfd" = x"yes"; then
817         default_shared_modules="$default_shared_modules vfs_syncops vfs_dirsort"
818 fi
819
820 AC_CACHE_CHECK([for struct sigevent type],samba_cv_struct_sigevent, [
821     AC_TRY_COMPILE([
822 #include <sys/types.h>
823 #if STDC_HEADERS
824 #include <stdlib.h>
825 #include <stddef.h>
826 #endif
827 #include <signal.h>],[struct sigevent s;],
828         samba_cv_struct_sigevent=yes,samba_cv_struct_sigevent=no)])
829 if test x"$samba_cv_struct_sigevent" = x"yes"; then
830    AC_DEFINE(HAVE_STRUCT_SIGEVENT,1,[Whether we have the struct sigevent])
831    AC_CHECK_MEMBERS([struct sigevent.sigev_value.sival_ptr,struct sigevent.sigev_value.sigval_ptr], , ,
832         [#include <signal.h>])
833 fi
834
835 # and glibc has setresuid under linux but the function does
836 # nothing until kernel 2.1.44! very dumb.
837 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
838     AC_TRY_RUN([#include <errno.h>
839 main() { setresuid(1,1,1); setresuid(2,2,2); exit(errno==EPERM?0:1);}],
840         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
841 if test x"$samba_cv_have_setresuid" = x"yes"; then
842     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
843 fi
844
845 # Do the same check for setresguid...
846 #
847 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
848     AC_TRY_RUN([#include <unistd.h>
849 #include <errno.h>
850 main() { errno = 0; setresgid(1,1,1); exit(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
851         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
852 if test x"$samba_cv_have_setresgid" = x"yes"; then
853     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
854 fi
855
856 AC_FUNC_MEMCMP
857
858 ###############################################
859 # Readline included by default unless explicitly asked not to
860 test "${with_readline+set}" != "set" && with_readline=yes
861
862 # test for where we get readline() from
863 AC_MSG_CHECKING(whether to use readline)
864 AC_ARG_WITH(readline,
865 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
866 [  case "$with_readline" in
867   yes)
868     AC_MSG_RESULT(yes)
869
870     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
871     AC_CHECK_HEADERS(readline/history.h)
872
873     AC_CHECK_HEADERS(readline.h readline/readline.h,[
874       for termlib in ncurses curses termcap terminfo termlib tinfo; do
875        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
876       done
877       AC_CHECK_LIB(readline, rl_callback_handler_install,
878        [TERMLIBS="-lreadline $TERMLIBS"
879        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
880        break], [TERMLIBS=], $TERMLIBS)])
881     ;;
882   no)
883     AC_MSG_RESULT(no)
884     ;;
885   *)
886     AC_MSG_RESULT(yes)
887
888     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
889     # alternate readline path
890     _ldflags=${LDFLAGS}
891     _cppflags=${CPPFLAGS}
892
893     # Add additional search path
894     LDFLAGS="-L$with_readline/lib $LDFLAGS"
895     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
896
897     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
898     AC_CHECK_HEADERS(readline/history.h)
899
900     AC_CHECK_HEADERS(readline.h readline/readline.h,[
901       for termlib in ncurses curses termcap terminfo termlib; do
902        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
903       done
904       AC_CHECK_LIB(readline, rl_callback_handler_install,
905        [TERMLDFLAGS="-L$with_readline/lib"
906        TERMCPPFLAGS="-I$with_readline/include"
907        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
908        TERMLIBS="-lreadline $TERMLIBS"
909        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
910        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
911
912     LDFLAGS=$_ldflags
913     ;;
914   esac],
915   AC_MSG_RESULT(no)
916 )
917 AC_SUBST(TERMLIBS)
918 AC_SUBST(TERMLDFLAGS)
919
920 # The readline API changed slightly from readline3 to readline4, so
921 # code will generate warnings on one of them unless we have a few
922 # special cases.
923 AC_CHECK_LIB(readline, rl_completion_matches,
924              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
925                         [Do we have rl_completion_matches?])],
926              [],
927              [$TERMLIBS])
928
929 # not all readline libs have rl_event_hook or history_list
930 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
931 AC_CHECK_LIB(readline, history_list,
932              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
933              [],
934              [$TERMLIBS])
935
936 ###############################################
937 # test for where we get yp_get_default_domain() from
938 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
939 AC_CHECK_FUNCS(yp_get_default_domain)
940
941 # Check if we have execl, if not we need to compile smbrun.
942 AC_CHECK_FUNCS(execl)
943 if test x"$ac_cv_func_execl" = x"no"; then
944     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun"
945 fi
946
947 AC_CHECK_FUNCS(getcwd fchown chmod fchmod mknod mknod64)
948 AC_CHECK_FUNCS(strtol)
949 AC_CHECK_FUNCS(strchr chflags)
950 AC_CHECK_FUNCS(getrlimit fsync setpgid)
951 AC_CHECK_FUNCS(fdatasync,,[AC_CHECK_LIB_EXT(rt, LIBS, fdatasync)])
952 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
953 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
954 AC_CHECK_FUNCS(initgroups select rdchk getgrnam getgrent pathconf)
955 AC_CHECK_FUNCS(getgrset)
956 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups sysconf)
957 AC_CHECK_FUNCS(atexit grantpt posix_fallocate)
958 AC_CHECK_FUNCS(fallocate)
959 AC_CHECK_FUNCS(fseeko setluid getpwanam)
960 AC_CHECK_FUNCS(fdopendir)
961 AC_CHECK_FUNCS(getpwent_r)
962 AC_CHECK_FUNCS(setenv strcasecmp fcvt fcvtl)
963 AC_CHECK_FUNCS(syslog vsyslog timegm)
964 AC_CHECK_FUNCS(setlocale)
965 AC_CHECK_FUNCS(nanosleep,,[AC_CHECK_LIB_EXT(rt, LIBS, nanosleep)])
966 AC_CHECK_FUNCS(lutimes futimes utimensat futimens)
967 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
968 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
969 AC_CHECK_HEADERS(sys/mman.h)
970 # setbuffer, shmget, shm_open are needed for smbtorture
971 AC_CHECK_FUNCS(shmget shm_open)
972 AC_CHECK_FUNCS(gettext dgettext)
973 AC_CHECK_FUNCS(bindtextdomain textdomain bind_textdomain_codeset)
974 AC_CHECK_FUNCS(strupr)
975
976 # Find a method of generating a stack trace
977 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
978 # libexecinfo provides backtrace_symbols on FreeBSD
979 AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
980 AC_CHECK_FUNCS(backtrace_symbols)
981 AC_CHECK_LIB(exc, trace_back_stack)
982
983 # check for sysctlbyname and sysctl for BSD systems
984 AC_CHECK_FUNCS(sysctlbyname)
985 AC_CHECK_FUNCS(sysctl)
986
987 #################################################
988 # Check to see if core dump directory is defined in linux
989 # with /proc/sys/kernel/core_pattern
990
991 AC_CHECK_FILE([/proc/sys/kernel/core_pattern],
992         AC_DEFINE(HAVE_SYS_KERNEL_PROC_CORE_PATTERN, 1,
993         [Whether Linux kernel uses core_pattern for core files]),
994          [])
995
996 #############################
997 # check if building with gpfs
998 AC_CHECK_HEADERS(gpfs_gpl.h)
999 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes"; then
1000     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL headers are available])
1001     default_shared_modules="$default_shared_modules vfs_gpfs"
1002     default_shared_modules="$default_shared_modules vfs_gpfs_hsm_notify"
1003 fi
1004
1005 # Note that all the libunwind symbols in the API are defined to internal
1006 # platform-specific version, so we must include libunwind.h before checking
1007 # any of them.
1008 AC_MSG_CHECKING([for libunwind])
1009 save_LIBS=$LIBS
1010
1011 UNWIND_ARCH="unknown"
1012 if test x"$UNAME_I" != x"unknown"; then
1013         UNWIND_ARCH="$UNAME_I"
1014 elif test x"$UNAME_M" != x"unknown"; then
1015         UNWIND_ARCH="$UNAME_M"
1016 elif test x"$UNAME_P" != x"unknown"; then
1017         UNWIND_ARCH="$UNAME_P"
1018 fi
1019
1020 case "$UNWIND_ARCH" in
1021         unknown)
1022                 # This probably won't link without
1023                 # the platform-specific libunwind.
1024                 LIBS="$LIBS -lunwind"
1025                 ;;
1026         i386|i586|i686)
1027                 # Add the platform-specific libunwind module.
1028                 LIBS="$LIBS -lunwind -lunwind-x86"
1029                 ;;
1030         *)
1031                 # Add the platform-specific libunwind module.
1032                 # based on uname -i, uname -m or uname -p
1033                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1034                 ;;
1035 esac
1036
1037 AC_TRY_LINK(
1038     [
1039 #ifdef HAVE_LIBUNWIND_H
1040 #include <libunwind.h>
1041 #endif
1042     ],
1043     [
1044         unw_context_t ctx; unw_cursor_t cur;
1045         char buf[256]; unw_word_t off;
1046         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1047         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1048     ],
1049     [
1050         AC_MSG_RESULT(yes)
1051         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1052
1053         # If we have libunwind, test whether we also have libunwind-ptrace
1054         # which would let us unwind arbitrary processes.
1055         save_LIBS=$LIBS
1056         AC_CHECK_HEADERS(libunwind-ptrace.h)
1057         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1058             [
1059                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1060                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1061                     [Whether libunwind-ptrace.a is available.])
1062             ],
1063             [ LIBUNWIND_PTRACE="" ])
1064
1065         LIBS=$save_LIBS
1066     ],
1067     [
1068         AC_MSG_RESULT(no)
1069         LIBS=$save_LIBS
1070     ])
1071
1072 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1073 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1074     AC_CHECK_HEADERS(sys/ptrace.h)
1075     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1076     AC_TRY_LINK(
1077             [
1078 #if HAVE_SYS_TYPES_H
1079 #include <sys/types.h>
1080 #endif
1081 #if HAVE_SYS_PTRACE_H
1082 #include <sys/ptrace.h>
1083 #endif
1084             ],
1085             [
1086                 pid_t me = (pid_t)-1;
1087                 ptrace(PTRACE_ATTACH, me, 0, 0);
1088                 ptrace(PTRACE_DETACH, me, 0, 0);
1089                 return 0;
1090             ],
1091             [
1092                 AC_MSG_RESULT(yes)
1093                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1094                     [Whether the Linux ptrace(2) interface is available.])
1095             ],
1096             [
1097                 AC_MSG_RESULT(no)
1098                 LIBUNWIND_PTRACE=""
1099             ])
1100 fi
1101
1102 AC_SUBST(LIBUNWIND_PTRACE)
1103
1104 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1105 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1106 AC_CHECK_FUNCS(__getcwd _getcwd)
1107 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1108 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1109 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1110 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1111 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1112 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1113 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek)
1114 AC_CHECK_FUNCS(pread _pread __pread)
1115 AC_CHECK_FUNCS(pwrite _pwrite __pwrite)
1116 AC_CHECK_FUNCS(prctl)
1117
1118 AC_TRY_COMPILE([
1119 #ifdef HAVE_SYS_PRCTL_H
1120 #include <sys/prctl.h>
1121 #endif
1122 ],
1123 [int i; i = prtcl(0); ],
1124 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1125
1126 #
1127 #
1128 #
1129 case "$host_os" in
1130     *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
1131        # glibc <= 2.3.2 has a broken getgrouplist
1132        AC_CACHE_CHECK([for good getgrouplist],samba_cv_linux_getgrouplist_ok,[AC_TRY_RUN([
1133 #include <unistd.h>
1134 #include <sys/utsname.h>
1135 main() {
1136        /* glibc up to 2.3 has a broken getgrouplist */
1137 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1138        int libc_major = __GLIBC__;
1139        int libc_minor = __GLIBC_MINOR__;
1140
1141        if (libc_major < 2)
1142               exit(1);
1143        if ((libc_major == 2) && (libc_minor <= 3))
1144               exit(1);
1145 #endif
1146        exit(0);
1147 }
1148 ], [samba_cv_linux_getgrouplist_ok=yes],
1149    [samba_cv_linux_getgrouplist_ok=no],
1150    [samba_cv_linux_getgrouplist_ok=cross])])
1151        if test x"$samba_cv_linux_getgrouplist_ok" = x"yes"; then
1152           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1153        fi
1154        ;;
1155     *)
1156        AC_CHECK_FUNCS(getgrouplist)
1157        ;;
1158 esac
1159
1160 #################################################
1161 # Check whether struct stat has timestamps with sub-second resolution.
1162 #
1163
1164 samba_cv_stat_hires=no
1165 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec], # Linux, Solaris
1166         [samba_cv_stat_hires=yes])
1167 AC_CHECK_MEMBERS([struct stat.st_mtimensec], # BSD, if defined _POSIX_SOURCE
1168         [samba_cv_stat_hires=yes])
1169 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec], # BSD, if not defined _POSIX_SOURCE
1170         [samba_cv_stat_hires=yes])
1171 AC_CHECK_MEMBERS([struct stat.st_mtime_n], # AIX
1172         [samba_cv_stat_hires=yes])
1173 AC_CHECK_MEMBERS([struct stat.st_umtime], # Tru64
1174         [samba_cv_stat_hires=yes])
1175
1176 if test x"$samba_cv_stat_hires" = x"yes" ; then
1177     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1178             [whether struct stat has sub-second timestamps])
1179 fi
1180
1181 # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1182 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
1183 AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
1184
1185
1186 AC_CACHE_CHECK([whether there is DOS flags support in the stat struct], samba_cv_stat_dos_flags,
1187     [
1188         AC_TRY_COMPILE(
1189             [#include <sys/stat.h>],
1190             [
1191                 int a = UF_DOS_ARCHIVE;
1192                 int h = UF_DOS_HIDDEN;
1193                 int r = UF_DOS_RO;
1194                 int s = UF_DOS_SYSTEM;
1195                 int i = UF_DOS_NOINDEX;
1196                 int f = UF_DOS_FLAGS;
1197             ],
1198             samba_cv_stat_dos_flags=yes, samba_cv_stat_dos_flags=no)
1199     ])
1200
1201 if test x"$samba_cv_stat_dos_flags" = x"yes" ; then
1202     AC_DEFINE(HAVE_STAT_DOS_FLAGS, 1, [whether there is DOS flags support in the stat struct])
1203 fi
1204
1205 AC_CACHE_CHECK([whether we can compile with __attribute__((destructor))],
1206                samba_cv_function_attribute_destructor,
1207                [
1208                  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
1209                         [
1210                                 __attribute__((destructor))
1211                                 static void cleanup(void) { }
1212                         ])],
1213                         samba_cv_function_attribute_destructor=yes)
1214                 ])
1215
1216 if test x"$samba_cv_function_attribute_destructor" = xyes ; then
1217    AC_DEFINE(HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR, 1,
1218              [whether we can compile with __attribute__((destructor))])
1219 fi
1220
1221 #####################################
1222 # needed for SRV lookups
1223 AC_CHECK_LIB(resolv, dn_expand)
1224 AC_CHECK_LIB(resolv, _dn_expand)
1225 AC_CHECK_LIB(resolv, __dn_expand)
1226
1227 #
1228 # Check for the functions putprpwnam, set_auth_parameters,
1229 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1230 # Needed for OSF1 and HPUX.
1231 #
1232
1233 AC_LIBTESTFUNC(security, putprpwnam)
1234 AC_LIBTESTFUNC(sec, putprpwnam)
1235
1236 AC_LIBTESTFUNC(security, set_auth_parameters)
1237 AC_LIBTESTFUNC(sec, set_auth_parameters)
1238
1239 # UnixWare 7.x has its getspnam in -lgen
1240 AC_LIBTESTFUNC(gen, getspnam)
1241
1242 AC_LIBTESTFUNC(security, getspnam)
1243 AC_LIBTESTFUNC(sec, getspnam)
1244
1245 AC_LIBTESTFUNC(security, bigcrypt)
1246 AC_LIBTESTFUNC(sec, bigcrypt)
1247
1248 AC_LIBTESTFUNC(security, getprpwnam)
1249 AC_LIBTESTFUNC(sec, getprpwnam)
1250
1251 AC_CHECK_FUNCS(strsignal)
1252
1253 AC_DISABLE_STATIC
1254 AC_ENABLE_SHARED
1255
1256 # Set defaults
1257 PIE_CFLAGS=""
1258 PIE_LDFLAGS=""
1259 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1260
1261 if test "x$enable_pie" != xno
1262 then
1263         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1264         [
1265                 cat > conftest.c <<EOF
1266 int foo;
1267 int main () { return 0;}
1268 EOF
1269                 if AC_TRY_COMMAND_NO_STDERR([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c])
1270                 then
1271                         samba_cv_fpie=yes
1272                 else
1273                         samba_cv_fpie=no
1274                 fi
1275                 rm -f conftest*
1276         ])
1277         if test x"${samba_cv_fpie}" = x"yes"
1278         then
1279                 PIE_CFLAGS="-fPIE"
1280                 PIE_LDFLAGS="-pie"
1281         fi
1282 fi
1283
1284 # Set defaults
1285 RELRO_LDFLAGS=""
1286 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1287
1288 if test "x$enable_relro" != xno
1289 then
1290         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1291         [
1292                 cat > conftest.c <<EOF
1293 int foo;
1294 main () { return 0;}
1295 EOF
1296                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1297                 then
1298                         samba_cv_relro=yes
1299                 else
1300                         samba_cv_relro=no
1301                 fi
1302                 rm -f conftest*
1303         ])
1304         if test x"${samba_cv_relro}" = x"yes"
1305         then
1306                 RELRO_LDFLAGS="-Wl,-z,relro"
1307         fi
1308 fi
1309
1310 # Set defaults
1311 SYMSEXT="syms"
1312 AC_SUBST(SYMSEXT)
1313
1314 # Assume non-shared by default and override below
1315 BLDSHARED="false"
1316
1317 # these are the defaults, good for lots of systems
1318 HOST_OS="$host_os"
1319 LDSHFLAGS="-shared"
1320 MODULE_EXPORTS=""
1321 SONAMEFLAG="#"
1322 SHLD="\${CC} \${CFLAGS}"
1323 PICFLAG="${PIE_CFLAGS}"
1324 SHLIBEXT="so"
1325 DSO_EXPORTS=""
1326
1327 # this bit needs to be modified for each OS that supports share libs
1328 # You need to specify how to create a shared library and
1329   # how to compile C code to produce PIC object files
1330
1331   AC_MSG_CHECKING([ability to build shared libraries])
1332
1333   # and these are for particular systems
1334   case "$host_os" in
1335                 *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
1336                         case "$host_os" in
1337                                 *linux*) AC_DEFINE(LINUX,1,[Whether the host os is linux]) ;;
1338                                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx]) ;;
1339                         esac
1340                         BLDSHARED="true"
1341                         LDSHFLAGS="-shared -Wl,-Bsymbolic"
1342                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1343                                 LDSHFLAGS_Z_NODEFS="-Wl,--allow-shlib-undefined"
1344                         fi
1345                         DYNEXP="-Wl,--export-dynamic"
1346                         PICFLAG="-fPIC"
1347                         SONAMEFLAG="-Wl,-soname="
1348                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1349                         ;;
1350                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1351                         BLDSHARED="true"
1352                         if test "${GCC}" = "yes"; then
1353                                 PICFLAG="-fPIC"
1354                                 SONAMEFLAG="-Wl,-soname="
1355                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1356                                         DYNEXP="-Wl,-E"
1357                                 fi
1358                                 LDSHFLAGS="-shared"
1359                         else
1360                                 PICFLAG="-KPIC"
1361                                 LDSHFLAGS="-G"
1362                         fi
1363                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1364                                 SONAMEFLAG="-Wl,-soname="
1365                         else
1366                                 SONAMEFLAG="-Wl,-h,"
1367                         fi
1368                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1369                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1370                         ;;
1371                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1372                         BLDSHARED="true"
1373                         LDSHFLAGS="-G"
1374                         SONAMEFLAG="-Wl,-h,"
1375                         PICFLAG="-KPIC"   # Is this correct for SunOS
1376                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1377                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1378                         ;;
1379                 *netbsd* | *freebsd* | *dragonfly* )
1380                         BLDSHARED="true"
1381                         LDSHFLAGS="-shared"
1382                         DYNEXP="-Wl,--export-dynamic"
1383                         SONAMEFLAG="-Wl,-soname,"
1384                         PICFLAG="-fPIC -DPIC"
1385                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1386                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1387                         ;;
1388                 *openbsd*)  BLDSHARED="true"
1389                         LDSHFLAGS="-shared"
1390                         DYNEXP="-Wl,-Bdynamic"
1391                         SONAMEFLAG="-Wl,-soname,"
1392                         PICFLAG="-fPIC"
1393                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1394                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1395                         ;;
1396                 *irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
1397                         case "$host_os" in
1398                         *irix6*) AC_DEFINE(IRIX6,1,[Whether the host os is irix6])
1399                         ;;
1400                         esac
1401                         BLDSHARED="true"
1402                         LDSHFLAGS="-Wl,-set_version,sgi1.0 -shared"
1403                         SONAMEFLAG="-Wl,-soname,"
1404                         if test "${GCC}" = "yes"; then
1405                                 PICFLAG="-fPIC"
1406                         else
1407                                 PICFLAG="-KPIC"
1408                         fi
1409                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1410                         ;;
1411                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1412                         BLDSHARED="true"
1413                         # use expfull to export underscored symbols
1414                         # add rtl to remove /lib/crt0.o warning
1415                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1416                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1417                         PICFLAG="-O2"
1418                         # as AIX code is always position independent...
1419                         # .po will just create compile warnings, use po.o:
1420                         if test "${GCC}" != "yes"; then
1421                                 ## for funky AIX compiler using strncpy()
1422                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000 -qhalt=e"
1423                         fi
1424
1425                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1426                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1427                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1428                         ;;
1429                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1430                         # ia64: 64bit build using gcc with CFLAGS="-mpl64"
1431                         #       64bit build using HP's cc with CFLAGS="+DD64"
1432                         # hppa: 64bit build unsupported by gcc
1433                         #       64bit build using HP's cc with CFLAGS="+DA2.0w"
1434                         # HP-UX 11.00 ld needs PHSS_33034
1435                         BLDSHARED="true"
1436                         if test "${GCC}" = "yes"; then
1437                                 PICFLAG="-fPIC"
1438                                 LDSHFLAGS="-shared"
1439                         else
1440                                 PICFLAG="+z"
1441                                 LDSHFLAGS="-b"
1442                                 # "Uses depth-first symbol resolution"
1443                                 LDSHFLAGS="$LDSHFLAGS -Wl,-B,symbolic,-b"
1444                                 if test "$host_cpu" != "ia64"; then
1445                                         # "don't store literals in read-only memory" (?):
1446                                         PICFLAG="$PICFLAG +ESnolit"
1447                                 fi
1448                         fi
1449                         if test "$host_cpu" = "ia64"; then
1450                                 SHLIBEXT="so"
1451                                 # TODO: does the linker find the right 32/64 bit version of the libs? :
1452                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32:/usr/local/lib/hpux64:/usr/lib/hpux64"
1453                         else
1454                                 SHLIBEXT="sl"
1455                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1456                         fi
1457                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1458                                 SONAMEFLAG="-Wl,-soname="
1459                         else
1460                                 SONAMEFLAG="-Wl,+h,"
1461                         fi
1462                         # PIE/PIC flags at link time are required on HP-UX because
1463                         # linking requires a temporary source file, which is being
1464                         # compiled with the indicated flags - which need to contain
1465                         # PIC flags when we don't support PIE flags:
1466                         if test "$PIE_LDFLAGS" = "" ; then
1467                                 PIE_LDFLAGS=\${PICFLAG}
1468                         fi
1469                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1470                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1471                         ;;
1472                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1473                         BLDSHARED="true"
1474                         LDSHFLAGS="-shared"
1475                         SONAMEFLAG="-Wl,-soname,"
1476                         if test "${GCC}" = "yes"; then
1477                                 PICFLAG="-fPIC"
1478                         fi
1479                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1480                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1481                         for flags in "-expect_unresolved '*'" "-Wl,-expect_unresolved,'*'" ; do
1482                                 saved_ldflags="$LDFLAGS"
1483                                 AC_MSG_CHECKING([if $flags works])
1484                                 LDFLAGS="$flags $saved_ldflags"
1485                                 AC_TRY_LINK([],[],
1486                                         [AC_MSG_RESULT([yes])
1487                                         LDSHFLAGS_Z_NODEFS=$flags],
1488                                         AC_MSG_RESULT([no]))
1489                                 LDFLAGS="$saved_ldflags"
1490                                 test x"$LDSHFLAGS_Z_NODEFS" != x && break
1491                         done
1492                         ;;
1493                 *sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
1494                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1495                         ;;
1496                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1497                         BLDSHARED="true"
1498                         LDSHFLAGS="-shared"
1499                         SONAMEFLAG="-Wl,-soname,"
1500                         PICFLAG="-KPIC"
1501                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1502                         ;;
1503                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1504                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1505                         ;;
1506                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1507                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1508                         ;;
1509                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1510                         case "$host" in
1511                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1512                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1513                                         fi
1514                                         LDSHFLAGS="-G"
1515                                         DYNEXP="-Bexport"
1516                                 ;;
1517                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1518                         esac
1519                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1520                         ;;
1521
1522                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1523                         if [ test "$GCC" != yes ]; then
1524                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1525                         fi
1526                         LDSHFLAGS="-G"
1527                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1528                         ;;
1529                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1530                         BLDSHARED="false"
1531                         LDSHFLAGS=""
1532                         ;;
1533
1534                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1535                         BLDSHARED="true"
1536                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1537                         CFLAGS="$CFLAGS -fno-common"
1538                         SHLD="\${CC}"
1539                         SHLIBEXT="dylib"
1540                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1541                         SHLIBEXT="dylib"
1542                         # Since gcc doesn't fail on unrecognised options, the
1543                         # PIE test incorrectly succeeds. Darwin gcc does not
1544                         # actually support the PIE stuff.
1545                         PIE_LDFLAGS=
1546                         PIE_CFLAGS=
1547                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1548                         ;;
1549
1550                 *)
1551                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1552                         ;;
1553   esac
1554
1555 if test "$enable_shared" != "yes"; then
1556         BLDSHARED=false
1557 fi
1558
1559 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1560         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1561 fi
1562
1563 if test x"$BLDSHARED" = x"true" ; then
1564         LDFLAGS="$LDFLAGS -L./bin"
1565 fi
1566
1567 AC_MSG_RESULT($BLDSHARED)
1568
1569 if test x"$enable_developer" = x"yes" ; then
1570         default_as_needed=auto
1571 else
1572         default_as_needed=no
1573 fi
1574 AC_ARG_ENABLE(as-needed,
1575         AS_HELP_STRING([--enable-as-needed],
1576         [Turn on as-needed support if available (default=no)]),
1577         [enable_as_needed=$enableval],
1578         [enable_as_needed=$default_as_needed])
1579 if test "x$enable_as_needed" != xno; then
1580     saved_before_as_needed_ldflags="$LDFLAGS"
1581     for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do
1582         saved_ldflags="$LDFLAGS"
1583         AC_MSG_CHECKING([if $flags works])
1584         LDFLAGS="$flags $saved_ldflags"
1585         AC_TRY_LINK([],[],
1586                 [AC_MSG_RESULT([yes])
1587                 LD_AS_NEEDED_FLAG=$flags
1588                 ld_as_needed_flag_found=yes],
1589                 AC_MSG_RESULT([no]))
1590         LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags"
1591         test x"$ld_as_needed_flag_found" = xyes && break
1592     done
1593 fi
1594
1595 if test x$ld_as_needed_flag_found = xyes -a x$enable_as_needed = xauto ; then
1596 # check if ld has bug described in https://bugzilla.samba.org/show_bug.cgi?id=7209#c17
1597         AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG has explicit external libs bug])
1598 cat > conftest_shb.c <<END
1599 void b() {}
1600 END
1601 cat > conftest_sha.c <<END
1602 extern void b();
1603 void a() {
1604         b();
1605 }
1606 END
1607 cat > conftest.c <<END
1608 extern void a();
1609 int main() {
1610         a();
1611         return 0;
1612 }
1613 END
1614
1615         rm -fr conftest
1616         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_sha.o conftest_sha.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1617         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_shb.o conftest_shb.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1618         TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1619         AC_TRY_COMMAND([$TESTCMD -o libconftest_shb.$SHLIBEXT conftest_shb.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1620         AC_TRY_COMMAND([$TESTCMD -o libconftest_sha.$SHLIBEXT conftest_sha.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1621         AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
1622         if AC_TRY_COMMAND([eval "$LIB_PATH_VAR=. ./conftest 1>&AS_MESSAGE_LOG_FD 2>&1"])
1623         then
1624                 AC_MSG_RESULT([no])
1625         else
1626                 ld_as_needed_flag_found=no
1627                 LDFLAGS="$saved_before_as_needed_ldflags"
1628                 AC_MSG_RESULT([yes])
1629         fi
1630         rm conftest* libconftest*
1631 fi
1632
1633 # check if we have to disable LD_AS_NEEDED_FLAG:
1634 # On some systems for a veriety of reasons linking with
1635 # -Wl,--as-needed -lreadline -lncurses fails
1636 # we have to retest, if these combination is detected before.
1637 # Bugzilla #7209
1638
1639 if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then
1640         if test x$ld_as_needed_flag_found = xyes ; then
1641                 AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline])
1642                 # try if check no fails
1643                 save_LIBS=$LIBS
1644                 LIBS="$LIBS $TERMLIBS"
1645                 AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"])
1646                 LIBS="$save_LIBS"
1647         fi
1648 fi
1649
1650
1651
1652 # for historical reasons almost all linkers don't complain about unresolved
1653 # symbols in shared libs. Except for the internal samba modules we want to get
1654 # errors when we produce a shared lib with unresolved symbols. On some
1655 # platforms unresolved symbols might be intended, so we might have to add
1656 # platform specific exceptions here.
1657
1658 for flags in "-Wl,-z,defs" "-error_unresolved" "-Wl,-error_unresolved" ; do
1659         saved_ldflags="$LDFLAGS"
1660         AC_MSG_CHECKING([if $flags works])
1661         LDFLAGS="$flags $saved_ldflags"
1662         AC_TRY_LINK([],[],
1663         [AC_MSG_RESULT([yes])
1664         LDSHFLAGS_Z_DEFS=$flags
1665         ldshflags_z_defs_found=yes],
1666         AC_MSG_RESULT([no]))
1667         LDFLAGS=$saved_ldflags
1668         test x"$ldshflags_z_defs_found" = xyes && break
1669 done
1670
1671 AC_MSG_CHECKING([LDSHFLAGS_Z_DEFS])
1672 AC_MSG_RESULT([$LDSHFLAGS_Z_DEFS])
1673 AC_MSG_CHECKING([LDFLAGS])
1674 AC_MSG_RESULT([$LDFLAGS])
1675 AC_MSG_CHECKING([DYNEXP])
1676 AC_MSG_RESULT([$DYNEXP])
1677
1678 #######################################################
1679 # test whether building a shared library actually works
1680 if test $BLDSHARED = true; then
1681
1682 AC_MSG_CHECKING([SHLD])
1683 AC_MSG_RESULT([$SHLD])
1684 AC_MSG_CHECKING([LDSHFLAGS])
1685 AC_MSG_RESULT([$LDSHFLAGS])
1686
1687 AC_MSG_CHECKING([SHLIBEXT])
1688 AC_MSG_RESULT([$SHLIBEXT])
1689 AC_MSG_CHECKING([SONAMEFLAG])
1690 AC_MSG_RESULT([$SONAMEFLAG])
1691
1692 AC_MSG_CHECKING([PICFLAG])
1693 AC_MSG_RESULT([$PICFLAG])
1694
1695 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1696 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1697
1698 AC_CACHE_CHECK([whether building shared libraries actually works],
1699                [ac_cv_shlib_works],[
1700    # try building a trivial shared library
1701    ac_cv_shlib_works=no
1702    # The $SHLD and $LDSHFLAGS variables may contain references to other
1703    # variables so they need to be eval'ed.
1704    if AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.o ${srcdir-.}/../tests/shlib.c 1>&AS_MESSAGE_LOG_FD])
1705    then
1706      TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1707      TESTCMD="$TESTCMD -o \"shlib.$SHLIBEXT\" shlib.o"
1708      if AC_TRY_COMMAND([eval $TESTCMD 1>&AS_MESSAGE_LOG_FD 2>&1])
1709      then
1710        ac_cv_shlib_works=yes
1711      fi
1712    fi
1713    rm -f "shlib.$SHLIBEXT" shlib.o
1714
1715 ])
1716 if test $ac_cv_shlib_works = no; then
1717    BLDSHARED=false
1718 fi
1719 fi
1720
1721 if test x"$BLDSHARED" != x"true"; then
1722         LDSHFLAGS="shared-libraries-disabled"
1723         SONAMEFLAG="shared-libraries-disabled"
1724         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1725         SHLD="shared-libraries-disabled"
1726         PICFLAG="${PIE_CFLAGS}"
1727         SHLIBEXT="shared_libraries_disabled"
1728         smbtorture4_possible=no
1729 fi
1730
1731 AC_MSG_CHECKING([used PICFLAG])
1732 AC_MSG_RESULT([$PICFLAG])
1733
1734 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
1735
1736
1737
1738 ###########################################################
1739 #
1740 # Configuration of subsystems / libraries
1741 #
1742 ###########################################################
1743
1744 INSTALLLIBCMD_SH=:
1745 INSTALLLIBCMD_A=:
1746 UNINSTALLLIBCMD_SH=:
1747 UNINSTALLLIBCMD_A=:
1748
1749 if test $BLDSHARED = true; then
1750         INSTALLLIBCMD_SH="\$(INSTALLCMD)"
1751         UNINSTALLLIBCMD_SH="rm -f"
1752 fi
1753 if test $enable_static = yes; then
1754         INSTALLLIBCMD_A="\$(INSTALLCMD)"
1755         UNINSTALLLIBCMD_A="rm -f"
1756 fi
1757
1758 #################################################
1759 # --disable-shared-libs
1760 # can be used to disable the internal use of shared libs altogether
1761 # (this only has an effect when building shared libs is enabled)
1762 #
1763 USESHARED=false
1764 AC_SUBST(USESHARED)
1765
1766 AC_MSG_CHECKING(whether to use shared libraries internally)
1767 AC_ARG_ENABLE([shared-libs],
1768         AS_HELP_STRING([--enable-shared-libs],
1769                 [Use shared libraries internally (default=yes)]),
1770         [enable_shared_libs=$enableval],
1771         [enable_shared_libs=yes])
1772
1773 if test x"$enable_shared_libs" != x"no" ; then
1774         USESHARED=$BLDSHARED
1775 fi
1776
1777 AC_MSG_RESULT([$USESHARED])
1778
1779 if test x"$enable_shared_libs" = x"yes" -a x"$BLDSHARED" != x"true" ; then
1780         AC_MSG_WARN([--enable-shared-libs: no support for shared libraries])
1781 fi
1782
1783 #################################################
1784 # --with-static-libs=LIBS:
1785 #   link (internal) libs dynamically or statically?
1786 #
1787 # If a subsystem is built as a library then this controls whether they are
1788 # linked into Samba targets statically or dynamically:
1789 #
1790 # * If we build the shared library at all, we link dynamically by default.
1791 #
1792 # * We only link statically if we don't build shared or if the library
1793 #   appears in the --with-static-libs configure option.
1794 #
1795 # Example:
1796 #   --with-static-libs=libtalloc makes use of libtalloc.a instead
1797 #   of linking the dynamic variant with -ltalloc.
1798 #
1799 # NOTE: This option only affects libraries that we do not only build
1800 # but that samba also links against as libraries (as opposed to linking
1801 # the plain object files. - This has to be configured in Makefile.in.
1802 # So in particular it does not harm to give invalid or unknown names here.
1803 #
1804
1805 AC_ARG_WITH([static-libs],
1806         [AS_HELP_STRING([--with-static-libs=LIBS],
1807                 [Comma-separated list of names of (internal) libraries to link statically (instead of dynamically)])],
1808         [AS_IF([test $withval],
1809                 [for lib in `echo $withval | sed -e 's/,/ /g'` ; do
1810                         [lib=`echo $lib | tr '[a-z]' '[A-Z]'`]
1811                         eval LINK_$lib=STATIC
1812                 done], [])],
1813         [])
1814
1815 #
1816 # WORKAROUND:
1817 #   until we have organized other internal subsystems (as util, registry
1818 #   and smbconf) into shared libraries, we CAN NOT link libnetapi
1819 #   dynamically to samba programs.
1820 #
1821 LINK_LIBNETAPI=STATIC
1822
1823 LINK_LIBSMBCLIENT=STATIC
1824
1825 #
1826 #  The library versions are hardcoded here
1827 #  and filled into the LIBFOO_SOVER variable.
1828 #
1829 #  TODO: for talloc and tdb (at least), these should
1830 #  be extracted from their respective source directories
1831 #
1832 AC_ARG_ENABLE(external_libtalloc,
1833         [AS_HELP_STRING([--enable-external-libtalloc],
1834                 [Enable external talloc [default=auto]])],
1835         [ enable_external_libtalloc=$enableval ],
1836         [ enable_external_libtalloc=auto ])
1837
1838 if test "x$enable_external_libtalloc" != xno
1839 then
1840         PKG_CHECK_MODULES(LIBTALLOC, talloc >= 2.0.1,
1841                 [ enable_external_libtalloc=yes ],
1842                 [ if test x$enable_external_libtalloc = xyes; then
1843                         AC_MSG_ERROR([Unable to find libtalloc])
1844                   else
1845                         enable_external_libtalloc=no
1846                   fi
1847                 ])
1848 fi
1849
1850 if test "x$enable_external_libtalloc" = xno
1851 then
1852         m4_include(../lib/talloc/libtalloc.m4)
1853         LINK_LIBTALLOC=STATIC
1854         LIBTALLOCVERSION=`grep ^VERSION ${tallocdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1855         SMB_LIBRARY(talloc, 2, ${LIBTALLOCVERSION})
1856         LIBTALLOC_OBJ0=""
1857         for obj in ${TALLOC_OBJ}; do
1858                 LIBTALLOC_OBJ0="${LIBTALLOC_OBJ0} ${tallocdir}/${obj}"
1859         done
1860         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
1861         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TALLOC_CFLAGS}"
1862         AC_SUBST(LIBTALLOC_OBJ0)
1863
1864         TALLOCTORT="bin/talloctort"
1865         AC_SUBST(TALLOCTORT)
1866 fi
1867
1868
1869 AC_ARG_ENABLE(external_libtdb,
1870         [AS_HELP_STRING([--enable-external-libtdb],
1871                 [Enable external tdb [default=auto]])],
1872                 [ enable_external_libtdb=$enableval ],
1873                 [ enable_external_libtdb=auto ])
1874
1875 if test "x$enable_external_libtdb" != xno
1876 then
1877         PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.6,
1878                 [ enable_external_libtdb=yes ],
1879                 [
1880                 if test x$enable_external_libtdb = xyes; then
1881                         AC_MSG_ERROR([Unable to find libtdb])
1882                 else
1883                         enable_external_libtdb=no
1884                 fi
1885                 ])
1886 fi
1887
1888 AC_SUBST(LIBTDB_OBJ0)
1889 if test "x$enable_external_libtdb" = xno
1890 then
1891         m4_include(../lib/tdb/libtdb.m4)
1892         LINK_LIBTDB=STATIC
1893         LIBTDBVERSION=`grep ^VERSION ${tdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1894         SMB_LIBRARY(tdb, 1, ${LIBTDBVERSION})
1895         LIBTDB_OBJ0=""
1896         LIBTDB_LIBS="$LIBTDB_LIBS $TDB_DEPS"
1897         for obj in ${TDB_OBJ}; do
1898                 LIBTDB_OBJ0="${LIBTDB_OBJ0} ${tdbdir}/${obj}"
1899         done
1900         AC_SUBST(LIBTDB_OBJ0)
1901         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
1902         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TDB_CFLAGS}"
1903
1904         TDBBACKUP="bin/tdbbackup"
1905         AC_SUBST(TDBBACKUP)
1906         TDBDUMP="bin/tdbdump"
1907         AC_SUBST(TDBDUMP)
1908         TDBRESTORE="bin/tdbrestore"
1909         AC_SUBST(TDBRESTORE)
1910         TDBTOOL="bin/tdbtool"
1911         AC_SUBST(TDBTOOL)
1912         TDBTORTURE="bin/tdbtorture"
1913         AC_SUBST(TDBTORTURE)
1914 fi
1915
1916 SMB_LIBRARY(netapi, 0)
1917 SMB_LIBRARY(smbclient, 0)
1918 SMB_LIBRARY(smbsharemodes, 0)
1919
1920
1921 ################
1922
1923 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
1924 AC_TRY_RUN([#include <stdio.h>
1925 main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
1926 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
1927 if test x"$samba_cv_have_longlong" = x"yes"; then
1928     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
1929     AC_CHECK_TYPE(intptr_t, unsigned long long)
1930 else
1931     AC_CHECK_TYPE(intptr_t, unsigned long)
1932 fi
1933
1934 #
1935 # Check if the compiler supports the LL prefix on long long integers.
1936 # AIX needs this.
1937
1938 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
1939     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
1940         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
1941 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
1942    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
1943 fi
1944
1945
1946 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
1947 AC_TRY_RUN([#include <time.h>
1948 main() { exit((sizeof(time_t) == 8) ? 0 : 1); }],
1949 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
1950 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
1951     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
1952 fi
1953
1954 AC_CACHE_CHECK([for TIME_T_MAX],samba_cv_TIME_T_MAX,[
1955 AC_TRY_RUN([#include <time.h>
1956 main() {
1957         struct tm *tm;
1958         if (sizeof(time_t) == 8) {
1959                 time_t max_time = 0x7fffffffffffffffll;
1960                 tm = gmtime(&max_time);
1961                 /* This should fail with 32-bit tm_year. */
1962                 if (tm == NULL) {
1963                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1964                         max_time = 67768036191676799ll;
1965                         tm = gmtime(&max_time);
1966                         if (tm) {
1967                                 exit(0);
1968                         }
1969                 }
1970         }
1971         exit(1);
1972 }],
1973 samba_cv_TIME_T_MAX=yes,samba_cv_TIME_T_MAX=no,samba_cv_TIME_T_MAX=cross)])
1974 if test x"$samba_cv_TIME_T_MAX" = x"yes"; then
1975     AC_DEFINE(TIME_T_MAX,67768036191676799ll,[The maximum value of the 'time_t' type])
1976 fi
1977
1978
1979 #
1980 # As a gating factor for large file support, in order to
1981 # use >4GB files we must have the following minimal support
1982 # available: a 64 bit off_t
1983 # If we don't have all of these then fail the build
1984 #
1985
1986 AC_MSG_CHECKING([if large file support can be enabled])
1987 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
1988 AC_TRY_RUN([#include <stdio.h>
1989 #include <sys/stat.h>
1990 main() { exit((sizeof(off_t) == 8) ? 0 : 1); }],
1991 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
1992 if test x"$samba_cv_SIZEOF_OFF_T" = x"no"; then
1993     AC_MSG_ERROR(["large file support support not available: sizeof(off_t) != 8"])
1994 fi
1995
1996 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
1997 AC_TRY_RUN([
1998 #if defined(HAVE_UNISTD_H)
1999 #include <unistd.h>
2000 #endif
2001 #include <stdio.h>
2002 #include <sys/stat.h>
2003 main() { exit((sizeof(ino_t) == 8) ? 0 : 1); }],
2004 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
2005 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
2006     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
2007 fi
2008
2009 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
2010 AC_TRY_RUN([
2011 #if defined(HAVE_UNISTD_H)
2012 #include <unistd.h>
2013 #endif
2014 #include <stdio.h>
2015 #include <sys/stat.h>
2016 main() { exit((sizeof(dev_t) == 8) ? 0 : 1); }],
2017 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
2018 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
2019     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
2020 fi
2021
2022 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
2023 AC_TRY_RUN([
2024 #if defined(HAVE_UNISTD_H)
2025 #include <unistd.h>
2026 #endif
2027 #include <sys/types.h>
2028 main() { dev_t dev; int i = major(dev); return 0; }],
2029 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
2030 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
2031     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
2032 fi
2033
2034 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
2035 AC_TRY_RUN([
2036 #if defined(HAVE_UNISTD_H)
2037 #include <unistd.h>
2038 #endif
2039 #include <sys/types.h>
2040 main() { dev_t dev; int i = minor(dev); return 0; }],
2041 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
2042 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
2043     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
2044 fi
2045
2046 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
2047 AC_TRY_RUN([
2048 #if defined(HAVE_UNISTD_H)
2049 #include <unistd.h>
2050 #endif
2051 #include <sys/types.h>
2052 main() { dev_t dev = makedev(1,2); return 0; }],
2053 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
2054 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
2055     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
2056 fi
2057
2058 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
2059 AC_TRY_COMPILE([#include <sys/types.h>
2060 #include <dirent.h>
2061 void seekdir(DIR *d, long loc) { return; }],[return 0;],
2062 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
2063 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
2064     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
2065 fi
2066
2067 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
2068 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
2069 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
2070 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
2071     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
2072 fi
2073
2074 if test x"$libreplace_cv_HAVE_CLOCK_GETTIME_IN_LIBRT" = xyes ; then
2075         LIBS="$LIBS -lrt"
2076 fi
2077
2078 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2079 AC_TRY_RUN([#include <sys/types.h>
2080 #include <dirent.h>
2081 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2082 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2083 di->d_name[0] == 0) exit(0); exit(1);} ],
2084 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2085 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2086     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2087 fi
2088
2089 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2090 AC_TRY_COMPILE([#include <sys/types.h>
2091 #include <utime.h>],
2092 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
2093 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2094 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2095     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2096 fi
2097
2098 ##############
2099 # Check utmp details, but only if our OS offers utmp.h
2100 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2101 dnl  utmp and utmpx come in many flavours
2102 dnl  We need to check for many of them
2103 dnl  But we don't need to do each and every one, because our code uses
2104 dnl  mostly just the utmp (not utmpx) fields.
2105
2106 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx getutxent)
2107
2108 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2109 AC_TRY_COMPILE([#include <sys/types.h>
2110 #include <utmp.h>],
2111 [struct utmp ut;  ut.ut_name[0] = 'a';],
2112 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2113 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2114     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2115 fi
2116
2117 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2118 AC_TRY_COMPILE([#include <sys/types.h>
2119 #include <utmp.h>],
2120 [struct utmp ut;  ut.ut_user[0] = 'a';],
2121 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2122 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2123     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2124 fi
2125
2126 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2127 AC_TRY_COMPILE([#include <sys/types.h>
2128 #include <utmp.h>],
2129 [struct utmp ut;  ut.ut_id[0] = 'a';],
2130 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2131 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2132     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2133 fi
2134
2135 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2136 AC_TRY_COMPILE([#include <sys/types.h>
2137 #include <utmp.h>],
2138 [struct utmp ut;  ut.ut_host[0] = 'a';],
2139 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2140 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2141     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2142 fi
2143
2144 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2145 AC_TRY_COMPILE([#include <sys/types.h>
2146 #include <utmp.h>],
2147 [struct utmp ut;  time_t t; ut.ut_time = t;],
2148 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2149 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2150     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2151 fi
2152
2153 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2154 AC_TRY_COMPILE([#include <sys/types.h>
2155 #include <utmp.h>],
2156 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2157 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2158 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2159     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2160 fi
2161
2162 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2163 AC_TRY_COMPILE([#include <sys/types.h>
2164 #include <utmp.h>],
2165 [struct utmp ut;  ut.ut_type = 0;],
2166 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2167 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2168     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2169 fi
2170
2171 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2172 AC_TRY_COMPILE([#include <sys/types.h>
2173 #include <utmp.h>],
2174 [struct utmp ut;  ut.ut_pid = 0;],
2175 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2176 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2177     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2178 fi
2179
2180 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2181 AC_TRY_COMPILE([#include <sys/types.h>
2182 #include <utmp.h>],
2183 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2184 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2185 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2186     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2187 fi
2188
2189 dnl Look for the IPv6 varient by preference. Many systems have both.
2190 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2191 AC_TRY_COMPILE([#include <sys/types.h>
2192 #include <utmp.h>],
2193 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2194 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2195 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2196     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2197 fi
2198
2199 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2200 AC_TRY_COMPILE([#include <sys/types.h>
2201 #include <utmp.h>],
2202 [struct utmp ut;  ut.ut_addr = 0;],
2203 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2204 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2205     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2206 fi
2207
2208 if test x$ac_cv_func_pututline = xyes ; then
2209   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2210   AC_TRY_COMPILE([#include <sys/types.h>
2211 #include <utmp.h>],
2212   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2213   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2214   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2215       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2216   fi
2217 fi
2218
2219 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2220 AC_TRY_COMPILE([#include <sys/types.h>
2221 #include <utmpx.h>],
2222 [struct utmpx ux;  ux.ut_syslen = 0;],
2223 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2224 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2225     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2226 fi
2227
2228 fi
2229 # end utmp details
2230
2231 AC_CACHE_CHECK([for linux fallocate],samba_cv_HAVE_LINUX_FALLOCATE,[
2232 AC_TRY_COMPILE([
2233 #if defined(HAVE_UNISTD_H)
2234 #include <unistd.h>
2235 #endif
2236 #include <sys/types.h>
2237 #define _GNU_SOURCE
2238 #include <fcntl.h>
2239 #if defined(HAVE_LINUX_FALLOC_H)
2240 #include <linux/falloc.h>
2241 #endif],
2242 [int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2243 samba_cv_HAVE_LINUX_FALLOCATE=yes,samba_cv_HAVE_LINUX_FALLOCATE=no)])
2244 if test x"$samba_cv_HAVE_LINUX_FALLOCATE" = x"yes" && test x"$ac_cv_func_fallocate" = x"yes"; then
2245     AC_DEFINE(HAVE_LINUX_FALLOCATE,1,[Whether the Linux 'fallocate' function is available])
2246 fi
2247
2248 AC_CACHE_CHECK([for getcwd takes NULL],samba_cv_GETCWD_TAKES_NULL,[
2249 AC_TRY_RUN([
2250 #if defined(HAVE_UNISTD_H)
2251 #include <unistd.h>
2252 #endif
2253 main() { char *s = getcwd(NULL,0); if (s) exit(0); exit(1); }],
2254 samba_cv_GETCWD_TAKES_NULL=yes,samba_cv_GETCWD_TAKES_NULL=no,samba_cv_GETCWD_TAKES_NULL=cross)])
2255 if test x"$samba_cv_GETCWD_TAKES_NULL" = x"yes"; then
2256     AC_DEFINE(GETCWD_TAKES_NULL,1,[Whether the getcwd function takes NULL as an argument])
2257 fi
2258
2259 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2260 AC_ARG_WITH(libiconv,
2261 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2262 [
2263   if test "$withval" = "no" ; then
2264     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2265   else
2266      if test "$withval" != "yes" ; then
2267         ICONV_PATH_SPEC=yes
2268         ICONV_LOOK_DIRS="$withval"
2269      fi
2270   fi
2271 ])
2272
2273 for i in $ICONV_LOOK_DIRS ; do
2274
2275     save_LIBS="$LIBS"
2276     save_LDFLAGS="$LDFLAGS"
2277     save_CPPFLAGS="$CPPFLAGS"
2278
2279     iconv_current_LIBS=""
2280     iconv_current_LDFLAGS=""
2281     iconv_current_CPPFLAGS=""
2282
2283     ICONV_FOUND="no"
2284     unset libext
2285
2286     #  This is here to handle -withval stuff for --with-libiconv
2287     #  Perhaps we should always add a -L
2288     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2289
2290     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2291     # installation paths. This gets a little tricky since we might have iconv
2292     # in both libiconv and in libc. In this case the jm_ICONV test will always
2293     # succeed when the header is found. To counter this, make sure the
2294     # library directory is there and check the ABI directory first (which
2295     # should be harmless on other systems, but causes tons of linker warnings on
2296     # 64bit Ubuntu systems).
2297     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2298     # installed, I've decided to fix the linker warnings.
2299     # -- Kai
2300     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2301     for l in "lib" "lib32" "lib/hpux32"; do
2302         if test -d "$i/$l" ; then
2303                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2304                 LIBS=
2305                 export LDFLAGS LIBS CPPFLAGS
2306                 # Try to find iconv(3)
2307                 jm_ICONV($i/$l)
2308                 if test x"$ICONV_FOUND" = "xyes" ; then
2309                     libext="$l"
2310                     break
2311                 fi
2312         fi
2313     done
2314
2315     if test x"$ICONV_FOUND" = "xyes" ; then
2316         iconv_current_LDFLAGS="-L$i/$libext"
2317         iconv_current_CPPFLAGS="-I$i/include"
2318
2319         if test x"$jm_cv_lib_iconv" != x; then
2320             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2321         else
2322             # We found iconv in libc.
2323             iconv_current_LIBS=""
2324         fi
2325
2326     fi
2327
2328     if test x"$ICONV_FOUND" = "xyes" ; then
2329
2330         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2331         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2332         LIBS="$save_LIBS $iconv_current_LIBS"
2333         export LDFLAGS LIBS CPPFLAGS
2334
2335         default_dos_charset=no
2336         default_unix_charset=no
2337
2338         # check for default dos charset name
2339         for j in CP850 IBM850 ; do
2340             rjs_CHARSET($j)
2341             default_dos_charset="$ICONV_CHARSET"
2342             if test x"$default_dos_charset" = x"$j"; then
2343                 break
2344             fi
2345         done
2346
2347         # check for default unix charset name
2348         for j in UTF-8 UTF8 ; do
2349             rjs_CHARSET($j)
2350             default_unix_charset="$ICONV_CHARSET"
2351             if test x"$default_unix_charset" = x"$j"; then
2352                 break
2353             fi
2354         done
2355
2356         if test "$default_dos_charset" != "no" -a \
2357                 "$default_dos_charset" != "cross" -a \
2358                 "$default_unix_charset" != "no" -a \
2359                 "$default_unix_charset" != "cross"
2360         then
2361                 samba_cv_HAVE_NATIVE_ICONV=yes
2362         else
2363             if test "$default_dos_charset" = "cross" -o \
2364                      "$default_unix_charset" = "cross"
2365             then
2366                     samba_cv_HAVE_NATIVE_ICONV=cross
2367             else
2368                     samba_cv_HAVE_NATIVE_ICONV=no
2369             fi
2370         fi
2371
2372         # At this point, we have a libiconv candidate. We know that
2373         # we have the right headers and libraries, but we don't know
2374         # whether it does the conversions we want. We can't test this
2375         # because we are cross-compiling. This is not necessarily a big
2376         # deal, since we can't guarantee that the results we get now will
2377         # match the results we get at runtime anyway.
2378         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2379             default_dos_charset="CP850"
2380             default_unix_charset="UTF-8"
2381             samba_cv_HAVE_NATIVE_ICONV=yes
2382             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2383             AC_MSG_WARN([$default_dos_charset and $default_unix_charset to UCS-16LE])
2384         fi
2385
2386         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2387
2388             CPPFLAGS=$save_CPPFLAGS
2389             LDFLAGS=$save_LDFLAGS
2390             LIBS=$save_LIBS
2391
2392             if test x"$iconv_current_LIBS" != x; then
2393                 LIBS="$LIBS $iconv_current_LIBS"
2394             fi
2395
2396             # Add the flags we need to CPPFLAGS and LDFLAGS
2397             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2398             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2399
2400             # Turn the #defines into string literals
2401             default_dos_charset="\"$default_dos_charset\""
2402             default_unix_charset="\"$default_unix_charset\""
2403
2404             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2405             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2406             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2407
2408            break
2409         fi
2410
2411     # We didn't find a working iconv, so keep going
2412     fi
2413
2414     #  We only need to clean these up here for the next pass through the loop
2415     CPPFLAGS=$save_CPPFLAGS
2416     LDFLAGS=$save_LDFLAGS
2417     LIBS=$save_LIBS
2418     export LDFLAGS LIBS CPPFLAGS
2419 done
2420 unset libext
2421
2422
2423 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2424     AC_MSG_WARN([Sufficient support for iconv function was not found.
2425     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2426    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2427    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2428 fi
2429
2430
2431 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2432 AC_TRY_RUN([
2433 #include <sys/types.h>
2434 #include <fcntl.h>
2435 #ifndef F_GETLEASE
2436 #define F_GETLEASE      1025
2437 #endif
2438 main() {
2439        int fd = open("/dev/null", O_RDONLY);
2440        return fcntl(fd, F_GETLEASE, 0) == -1;
2441 }
2442 ],
2443 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2444 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2445     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2446 fi
2447
2448 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2449 AC_TRY_RUN([
2450 #include <sys/types.h>
2451 #include <fcntl.h>
2452 #include <signal.h>
2453 #ifndef F_NOTIFY
2454 #define F_NOTIFY 1026
2455 #endif
2456 main() {
2457         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2458 }
2459 ],
2460 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2461 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2462     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2463 fi
2464
2465 AC_CHECK_HEADER(sys/inotify.h)
2466
2467 if test x"ac_cv_header_sys_inotify_h" = x"yes"; then
2468     AC_DEFINE(HAVE_INOTIFY,1,[For inotify support])
2469 fi
2470
2471 #################################################
2472 # Check if FAM notifications are available. For FAM info, see
2473 #       http://oss.sgi.com/projects/fam/
2474 #       http://savannah.nongnu.org/projects/fam/
2475 AC_ARG_ENABLE(fam,
2476 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2477
2478 if test x$enable_fam != xno; then
2479     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2480     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2481         # On IRIX, libfam requires libC, but other FAM implementations
2482         # might not need it.
2483         AC_CHECK_LIB(fam, FAMOpen2,
2484             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam";
2485             AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2486             [samba_cv_HAVE_LIBFAM=no])
2487
2488         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2489             samba_fam_xtra=-lC
2490             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2491                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC";
2492                 AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2493                 [samba_cv_HAVE_LIBFAM=no])
2494             unset samba_fam_xtra
2495         fi
2496     fi
2497     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2498         default_shared_modules="$default_shared_modules vfs_notify_fam"
2499         AC_TRY_COMPILE([#include <fam.h>],
2500                     [enum FAMCodes code = FAMChanged;],
2501                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2502                         [Whether fam.h contains a typedef for enum FAMCodes]),
2503                     [])
2504     fi
2505
2506     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2507         AC_CHECK_LIB(fam, FAMNoExists,
2508             [AC_DEFINE(HAVE_FAMNOEXISTS, 1, Define to 1 if there is support for FAMNoExists)])
2509     fi
2510
2511     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2512         AC_MSG_ERROR(FAM support requested but FAM library not available )
2513     fi
2514 fi
2515
2516 AC_SUBST(SMB_FAM_LIBS)
2517
2518 #################################################
2519 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2520
2521
2522 with_dmapi_support=auto
2523 AC_MSG_CHECKING(whether to use DMAPI support)
2524 AC_ARG_WITH(dmapi,
2525 [AS_HELP_STRING([--with-dmapi], [Include DMAPI/XDSM support (default=auto)])],
2526 [ case "$withval" in
2527   yes|no)
2528     with_dmapi_support=$withval
2529     ;;
2530   esac ]
2531 )
2532 AC_MSG_RESULT([$with_dmapi_support])
2533
2534 if test x"$with_dmapi_support" != xno ; then
2535         SMB_CHECK_DMAPI([], [
2536                 AC_MSG_NOTICE(DMAPI support not present)
2537                 if test x"$with_dmapi_support" = xyes ; then
2538                         AC_MSG_ERROR(no DMAPI support found but requested!)
2539                 fi
2540                 ]
2541         )
2542 fi
2543
2544 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2545 # Theoretically it should work with AIX JFS2 too but this needs testing
2546 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2547     default_shared_modules="$default_shared_modules vfs_tsmsm"
2548 fi
2549
2550 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2551 AC_TRY_RUN([
2552 #include <sys/types.h>
2553 #include <fcntl.h>
2554 #include <signal.h>
2555 #include <sys/file.h>
2556 #ifndef LOCK_MAND
2557 #define LOCK_MAND       32
2558 #define LOCK_READ       64
2559 #endif
2560 main() {
2561         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2562 }
2563 ],
2564 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2565 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2566     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2567 fi
2568
2569
2570 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2571 AC_TRY_COMPILE([#include <sys/types.h>
2572 #include <fcntl.h>],
2573 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2574 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2575 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2576     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2577 fi
2578
2579 #################################################
2580 # Check for POSIX capability support
2581
2582 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2583     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2584     [], [])
2585
2586 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2587
2588     ac_save_LIBS=$LIBS
2589     AC_LIBTESTFUNC(cap, cap_get_proc)
2590
2591     AC_CACHE_CHECK([for POSIX capabilities],
2592             samba_cv_HAVE_POSIX_CAPABILITIES,
2593             [
2594                 AC_TRY_RUN([
2595 #include <sys/types.h>
2596 #include <sys/capability.h>
2597 main() {
2598  cap_t cap;
2599  cap_value_t vals[1];
2600  if (!(cap = cap_get_proc()))
2601    exit(1);
2602  vals[0] = CAP_CHOWN;
2603  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2604  cap_set_proc(cap);
2605  exit(0);
2606 }],
2607                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2608                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2609                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2610             ])
2611
2612 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2613     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2614             [Whether POSIX capabilities are available])
2615 else
2616     LIBS=$ac_save_LIBS
2617 fi
2618
2619 fi
2620
2621 #
2622 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2623 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2624 #
2625
2626 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2627 AC_TRY_COMPILE([#include <sys/types.h>
2628 #if defined(HAVE_RPC_RPC_H)
2629 #include <rpc/rpc.h>
2630 #endif],
2631 [int16 testvar;],
2632 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2633 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2634     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2635 fi
2636
2637 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2638 AC_TRY_COMPILE([#include <sys/types.h>
2639 #if defined(HAVE_RPC_RPC_H)
2640 #include <rpc/rpc.h>
2641 #endif],
2642 [uint16 testvar;],
2643 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2644 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2645     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2646 fi
2647
2648 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2649 AC_TRY_COMPILE([#include <sys/types.h>
2650 #if defined(HAVE_RPC_RPC_H)
2651 #include <rpc/rpc.h>
2652 #endif],
2653 [int32 testvar;],
2654 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2655 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2656     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2657 fi
2658
2659 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2660 AC_TRY_COMPILE([#include <sys/types.h>
2661 #if defined(HAVE_RPC_RPC_H)
2662 #include <rpc/rpc.h>
2663 #endif],
2664 [uint32 testvar;],
2665 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2666 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2667     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2668 fi
2669
2670 dnl
2671 dnl Some systems (SCO) have a problem including
2672 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2673 dnl as a #define in <prot.h> and as part of an enum
2674 dnl in <rpc/rpc.h>.
2675 dnl
2676
2677 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2678 AC_TRY_COMPILE([#include <sys/types.h>
2679 #ifdef HAVE_SYS_SECURITY_H
2680 #include <sys/security.h>
2681 #include <prot.h>
2682 #endif  /* HAVE_SYS_SECURITY_H */
2683 #if defined(HAVE_RPC_RPC_H)
2684 #include <rpc/rpc.h>
2685 #endif],
2686 [int testvar;],
2687 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2688 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2689     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2690 fi
2691
2692 AC_MSG_CHECKING([for test routines])
2693 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
2694            AC_MSG_RESULT(yes),
2695            AC_MSG_ERROR([cant find test code. Aborting config]),
2696            AC_MSG_WARN([cannot run when cross-compiling]))
2697
2698 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2699 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
2700            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2701 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2702     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2703 fi
2704
2705 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2706 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
2707            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2708 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2709     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2710 fi
2711
2712 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2713 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2714 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2715 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2716 AC_CHECK_FUNCS(getpagesize)
2717
2718 ################################################
2719 # look for a method of setting the effective uid
2720 seteuid=no;
2721
2722 if test $seteuid = no; then
2723 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2724 AC_TRY_RUN([
2725 #define AUTOCONF_TEST 1
2726 #define USE_SETREUID 1
2727 #include "confdefs.h"
2728 #include "${srcdir-.}/lib/util_sec.c"],
2729            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2730 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2731     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2732 fi
2733 fi
2734
2735 # we check for setresuid second as it conflicts with AIO on Linux. 
2736 # see http://samba.org/~tridge/junkcode/aio_uid.c
2737 if test $seteuid = no; then
2738 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2739 AC_TRY_RUN([
2740 #define AUTOCONF_TEST 1
2741 #define USE_SETRESUID 1
2742 #include "confdefs.h"
2743 #include "${srcdir-.}/lib/util_sec.c"],
2744            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2745 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2746     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2747 fi
2748 fi
2749
2750 if test $seteuid = no; then
2751 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2752 AC_TRY_RUN([
2753 #define AUTOCONF_TEST 1
2754 #define USE_SETEUID 1
2755 #include "confdefs.h"
2756 #include "${srcdir-.}/lib/util_sec.c"],
2757            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2758 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2759     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2760 fi
2761 fi
2762
2763 if test $seteuid = no; then
2764 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2765 AC_TRY_RUN([
2766 #define AUTOCONF_TEST 1
2767 #define USE_SETUIDX 1
2768 #include "confdefs.h"
2769 #include "${srcdir-.}/lib/util_sec.c"],
2770            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2771 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2772     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2773 fi
2774 fi
2775
2776 AC_CACHE_CHECK([for the Darwin initgroups system call],
2777         samba_cv_DARWIN_INITGROUPS,
2778         AC_TRY_LINK([
2779 #include <sys/syscall.h>
2780 #include <unistd.h>
2781         ],
2782         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2783         samba_cv_DARWIN_INITGROUPS=yes,
2784         samba_cv_DARWIN_INITGROUPS=no)
2785 )
2786
2787 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2788     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2789         [Whether to use the Darwin-specific initgroups system call])
2790 fi
2791
2792 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2793 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
2794            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2795 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2796     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2797 fi
2798
2799 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
2800 AC_CACHE_CHECK([for broken posix_fallocate],samba_cv_HAVE_BROKEN_POSIX_FALLOCATE,[
2801 AC_TRY_COMPILE([
2802   #define _XOPEN_SOURCE 600
2803   #include <stdlib.h>
2804   #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
2805   #error probably broken posix_fallocate
2806   #endif
2807 ], [
2808 ], 
2809 samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=no,samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=yes)])
2810 if test x"$samba_cv_HAVE_BROKEN_POSIX_FALLOCATE" = xyes; then
2811         AC_DEFINE(HAVE_BROKEN_POSIX_FALLOCATE, 1, Whether we have a broken posix_fallocate)
2812 fi
2813
2814
2815 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2816 AC_TRY_COMPILE([#include <sys/types.h>
2817 #include <sys/stat.h>
2818 #include <unistd.h>],
2819 [struct stat st;  st.st_blocks = 0;],
2820 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2821 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2822     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2823 fi
2824
2825 AC_CACHE_CHECK([for 32 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_4,[
2826 AC_TRY_RUN([
2827 #if defined(HAVE_UNISTD_H)
2828 #include <unistd.h>
2829 #endif
2830 #include <stdio.h>
2831 #include <sys/types.h>
2832 #include <sys/stat.h>
2833 main() { exit((sizeof(blkcnt_t) == 4) ? 0 : 1); }],
2834 samba_cv_SIZEOF_BLKCNT_T_4=yes,samba_cv_SIZEOF_BLKCNT_T_4=no,samba_cv_SIZEOF_BLKCNT_T_4=cross)])
2835 if test x"$samba_cv_SIZEOF_BLKCNT_T_4" = x"yes"; then
2836     AC_DEFINE(SIZEOF_BLKCNT_T_4,1,[The size of the 'blkcnt_t' type])
2837 fi
2838
2839 AC_CACHE_CHECK([for 64 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_8,[
2840 AC_TRY_RUN([
2841 #if defined(HAVE_UNISTD_H)
2842 #include <unistd.h>
2843 #endif
2844 #include <stdio.h>
2845 #include <sys/types.h>
2846 #include <sys/stat.h>
2847 main() { exit((sizeof(blkcnt_t) == 8) ? 0 : 1); }],
2848 samba_cv_SIZEOF_BLKCNT_T_8=yes,samba_cv_SIZEOF_BLKCNT_T_8=no,samba_cv_SIZEOF_BLKCNT_T_8=cross)])
2849 if test x"$samba_cv_SIZEOF_BLKCNT_T_8" = x"yes"; then
2850     AC_DEFINE(SIZEOF_BLKCNT_T_8,1,[The size of the 'blkcnt_t' type])
2851 fi
2852
2853 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2854 AC_TRY_COMPILE([#include <sys/types.h>
2855 #include <sys/stat.h>
2856 #include <unistd.h>],
2857 [struct stat st;  st.st_blksize = 0;],
2858 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2859 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2860     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2861 fi
2862
2863 AC_CACHE_CHECK([for st_flags in struct stat],
2864         samba_cv_HAVE_STAT_ST_FLAGS,
2865         [
2866             AC_TRY_COMPILE([#include <sys/types.h>
2867 #include <sys/stat.h>
2868 #include <unistd.h>],
2869             [struct stat st;  st.st_flags = 0;],
2870             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2871             samba_cv_HAVE_STAT_ST_FLAGS=no,
2872             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2873         ])
2874
2875 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
2876     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
2877                 [Whether the stat struct has a st_flags member])
2878 fi
2879
2880 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
2881 AC_TRY_COMPILE([
2882 #include <sys/types.h>
2883 #include <sys/acl.h>
2884 #if defined(HAVE_RPCSVC_NIS_H)
2885 #include <rpcsvc/nis.h>
2886 #endif],
2887 [int i;],
2888 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
2889 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
2890         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
2891 fi
2892
2893 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
2894 AC_TRY_RUN([
2895 #include <stdio.h>
2896 #include <limits.h>
2897 #include <signal.h>
2898
2899 void exit_on_core(int ignored) {
2900         exit(1);
2901 }
2902
2903 main() {
2904         char *newpath;
2905         signal(SIGSEGV, exit_on_core);
2906         newpath = realpath("/tmp", NULL);
2907         exit((newpath != NULL) ? 0 : 1);
2908 }
2909 ],
2910 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
2911 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
2912     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
2913 fi
2914
2915 #################################################
2916 # check for AFS clear-text auth support
2917 samba_cv_WITH_AFS=no
2918 AC_MSG_CHECKING(whether to use AFS clear-text auth)
2919 AC_ARG_WITH(afs,
2920 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
2921 [ case "$withval" in
2922   yes|auto)
2923     AC_MSG_RESULT($withval)
2924     samba_cv_WITH_AFS=$withval
2925     ;;
2926   *)
2927     AC_MSG_RESULT(no)
2928     ;;
2929   esac ],
2930   AC_MSG_RESULT(no)
2931 )
2932
2933 ####################################################
2934 # check for Linux-specific AFS fake-kaserver support
2935 samba_cv_WITH_FAKE_KASERVER=no
2936 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
2937 AC_ARG_WITH(fake-kaserver,
2938 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
2939 [ case "$withval" in
2940   yes|auto)
2941     AC_MSG_RESULT($withval)
2942     samba_cv_WITH_FAKE_KASERVER=$withval
2943     ;;
2944   *)
2945     AC_MSG_RESULT(no)
2946     ;;
2947   esac ],
2948   AC_MSG_RESULT(no)
2949 )
2950
2951 #################################################
2952 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
2953 if test x"$samba_cv_WITH_AFS" != x"no" ||
2954    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
2955
2956     # see if this box has the OpenSSL DES libraries
2957     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
2958
2959     # see if this box has the afs-headers in /usr/include/afs
2960     AC_MSG_CHECKING(for /usr/include/afs)
2961     if test -d /usr/include/afs; then
2962           AC_MSG_RESULT(yes)
2963     else
2964       AC_MSG_RESULT(no)
2965     fi
2966
2967     # check for afs.h
2968     have_afs_headers=no
2969     AC_CHECK_HEADERS(afs.h afs/afs.h)
2970     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
2971         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
2972            test x"$samba_cv_WITH_AFS" = x"auto"; then
2973                 AC_MSG_WARN([AFS cannot be supported without afs.h])
2974         else
2975                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
2976         fi
2977     else
2978         have_afs_headers=yes
2979     fi
2980 fi
2981
2982 FAKE_KASERVER_OBJ=""
2983 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
2984     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
2985     FAKE_KASERVER_OBJ="utils/net_afs.o"
2986 fi
2987 AC_SUBST(FAKE_KASERVER_OBJ)
2988
2989 #################################################
2990 # check whether to compile AFS/NT ACL mapping module
2991 samba_cv_WITH_VFS_AFSACL=no
2992 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
2993 AC_ARG_WITH(vfs-afsacl,
2994 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
2995 [ case "$withval" in
2996   yes|auto)
2997     AC_MSG_RESULT($withval)
2998     samba_cv_WITH_VFS_AFSACL=yes
2999     ;;
3000   *)
3001     AC_MSG_RESULT(no)
3002     ;;
3003   esac ],
3004   AC_MSG_RESULT(no)
3005 )
3006
3007 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
3008    default_shared_modules="$default_shared_modules vfs_afsacl"
3009 fi
3010         
3011 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
3012     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
3013 fi
3014
3015 #################################################
3016 # check for the DFS clear-text auth system
3017 AC_MSG_CHECKING(whether to use DFS clear-text auth)
3018 AC_ARG_WITH(dfs,
3019 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
3020 [ case "$withval" in
3021   yes)
3022     AC_MSG_RESULT(yes)
3023     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
3024     ;;
3025   *)
3026     AC_MSG_RESULT(no)
3027     ;;
3028   esac ],
3029   AC_MSG_RESULT(no)
3030 )
3031
3032 ########################################################
3033 # Compile with LDAP support?
3034
3035 with_ldap_support=auto
3036 AC_MSG_CHECKING([for LDAP support])
3037
3038 AC_ARG_WITH(ldap,
3039 [AS_HELP_STRING([--with-ldap], [LDAP support (default=auto)])],
3040 [ case "$withval" in
3041     yes|no)
3042         with_ldap_support=$withval
3043         ;;
3044   esac ])
3045
3046 AC_MSG_RESULT($with_ldap_support)
3047
3048 SMBLDAP=""
3049 AC_SUBST(SMBLDAP)
3050
3051 if test x"$with_ldap_support" != x"no"; then
3052
3053   ##################################################################
3054   # first test for ldap.h and lber.h
3055   # (ldap.h is required for this test)
3056   AC_CHECK_HEADERS(ldap.h lber.h)
3057
3058   if test x"$ac_cv_header_ldap_h" != x"yes"; then
3059         if test x"$with_ldap_support" = x"yes"; then
3060          AC_MSG_ERROR(ldap.h is needed for LDAP support)
3061         else
3062          AC_MSG_WARN(ldap.h is needed for LDAP support)
3063         fi
3064         
3065         with_ldap_support=no
3066   fi
3067
3068   ##################################################################
3069   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
3070   # unsigned int in include/includes.h
3071   case $host_os in
3072         *hpux*)
3073          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3074          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
3075         with_ldap_support=yes
3076         ;;
3077         *)
3078         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
3079         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
3080                 if test x"$with_ldap_support" = x"yes"; then
3081                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3082                 else
3083                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3084                 fi
3085                 with_ldap_support=no
3086         fi
3087         ;;
3088   esac
3089 fi
3090
3091 if test x"$with_ldap_support" != x"no"; then
3092   ac_save_LIBS=$LIBS
3093
3094   ##################################################################
3095   # we might need the lber lib on some systems. To avoid link errors
3096   # this test must be before the libldap test
3097   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3098
3099   ########################################################
3100   # If ber_sockbuf_add_io() is available we can add
3101   # SASL wrapping hooks
3102   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3103
3104   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3105                  AC_TRY_COMPILE([#include <ldap.h>],
3106                                 [int val = LDAP_OPT_SOCKBUF;],
3107                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3108                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3109
3110   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3111           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3112         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3113   fi
3114
3115   #######################################################
3116   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3117   # ldap logging and print it out in the samba logs
3118   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3119                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3120                  [AC_TRY_COMPILE([#include <lber.h>],
3121                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3122                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3123                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3124
3125   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3126         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3127                   [Support for LDAP/LBER logging interception])
3128   fi
3129
3130   ########################################################
3131   # now see if we can find the ldap libs in standard paths
3132   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3133
3134   ########################################################
3135   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3136   # Check found in pam_ldap 145.
3137   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3138
3139   LIBS="$LIBS $LDAP_LIBS"
3140   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3141     AC_TRY_COMPILE([
3142         #include <lber.h>
3143         #include <ldap.h>],
3144         [ldap_set_rebind_proc(0, 0, 0);],
3145         [smb_ldap_cv_ldap_set_rebind_proc=3],
3146         [smb_ldap_cv_ldap_set_rebind_proc=2]
3147     )
3148   ])
3149
3150   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3151
3152   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3153
3154   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3155     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3156     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3157     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3158     default_shared_modules="$default_shared_modules";
3159     SMBLDAP="lib/smbldap.o"
3160     with_ldap_support=yes
3161     AC_MSG_CHECKING(whether LDAP support is used)
3162     AC_MSG_RESULT(yes)
3163   else
3164     if test x"$with_ldap_support" = x"yes"; then
3165         AC_MSG_ERROR(libldap is needed for LDAP support)
3166     else
3167         AC_MSG_WARN(libldap is needed for LDAP support)
3168     fi
3169
3170     LDAP_LIBS=""
3171     with_ldap_support=no
3172   fi
3173   LIBS=$ac_save_LIBS
3174 fi
3175
3176
3177 #################################################
3178 # active directory support
3179
3180 with_ads_support=auto
3181 AC_MSG_CHECKING([for Active Directory and krb5 support])
3182
3183 AC_ARG_WITH(ads,
3184 [AS_HELP_STRING([--with-ads], [Active Directory support (default=auto)])],
3185 [ case "$withval" in
3186     yes|no)
3187         with_ads_support="$withval"
3188         ;;
3189   esac ])
3190
3191 AC_MSG_RESULT($with_ads_support)
3192
3193 FOUND_KRB5=no
3194 KRB5_LIBS=""
3195
3196 if test x"$with_ldap_support" != x"yes"; then
3197
3198     if test x"$with_ads_support" = x"yes"; then
3199         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3200     elif test x"$with_ads_support" = x"auto"; then
3201         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3202         with_ads_support=no
3203     fi
3204
3205 else
3206
3207     # Check to see whether there is enough LDAP functionality to be able
3208     # to build AD support.
3209
3210 # HPUX and Solaris only has ldap_init; ok, we take care of this in smbldap.c
3211 case "$host_os" in
3212         *hpux* | *solaris*)
3213     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3214
3215     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3216         if test x"$with_ads_support" = x"yes"; then
3217             AC_MSG_ERROR(Active Directory support on HPUX or Solaris requires ldap_init)
3218         elif test x"$with_ads_support" = x"auto"; then
3219             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX or Solaris))
3220             with_ads_support=no
3221         fi
3222     fi
3223     ;;
3224         *)
3225     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3226
3227     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3228         if test x"$with_ads_support" = x"yes"; then
3229             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3230         elif test x"$with_ads_support" = x"auto"; then
3231             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3232             with_ads_support=no
3233         fi
3234     fi
3235     ;;
3236 esac
3237
3238
3239     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3240
3241     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3242         if test x"$with_ads_support" = x"yes"; then
3243             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3244         elif test x"$with_ads_support" = x"auto"; then
3245             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3246             with_ads_support=no
3247         fi
3248     fi
3249
3250 fi
3251
3252 if test x"$with_ads_support" != x"no"; then
3253
3254   # Do no harm to the values of CFLAGS and LIBS while testing for
3255   # Kerberos support.
3256
3257   if test x$FOUND_KRB5 = x"no"; then
3258     #################################################
3259     # check for location of Kerberos 5 install
3260     AC_MSG_CHECKING(for kerberos 5 install path)
3261     AC_ARG_WITH(krb5,
3262     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3263     [ case "$withval" in
3264       no)
3265         AC_MSG_RESULT(no krb5-path given)
3266         ;;
3267       yes)
3268         AC_MSG_RESULT(/usr)
3269         ;;
3270       *)
3271         AC_MSG_RESULT($withval)
3272         KRB5_CFLAGS="-I$withval/include"
3273         KRB5_CPPFLAGS="-I$withval/include"
3274         KRB5_LDFLAGS="-L$withval/lib"
3275         FOUND_KRB5=yes
3276         if test -x "$withval/bin/krb5-config"; then
3277                 KRB5CONFIG=$withval/bin/krb5-config
3278         fi
3279         ;;
3280       esac ],
3281       AC_MSG_RESULT(no krb5-path given)
3282     )
3283   fi
3284
3285   #################################################
3286   # check for krb5-config from recent MIT and Heimdal kerberos 5
3287   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3288   AC_MSG_CHECKING(for working krb5-config)
3289   if test -x "$KRB5CONFIG" && $KRB5CONFIG --libs gssapi > /dev/null ; then
3290     ac_save_CFLAGS=$CFLAGS
3291     CFLAGS="";export CFLAGS
3292     ac_save_LDFLAGS=$LDFLAGS
3293     LDFLAGS="";export LDFLAGS
3294     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3295     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3296     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3297     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3298     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3299     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3300     FOUND_KRB5=yes
3301     AC_MSG_RESULT(yes)
3302   else
3303     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3304   fi
3305
3306   if test x$FOUND_KRB5 = x"no"; then
3307     #################################################
3308     # see if this box has the SuSE location for the heimdal krb implementation
3309     AC_MSG_CHECKING(for /usr/include/heimdal)
3310     if test -d /usr/include/heimdal; then
3311       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3312           KRB5_CFLAGS="-I/usr/include/heimdal"
3313           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3314           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3315           FOUND_KRB5=yes
3316           AC_MSG_RESULT(yes)
3317       else
3318           KRB5_CFLAGS="-I/usr/include/heimdal"
3319           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3320           FOUND_KRB5=yes
3321           AC_MSG_RESULT(yes)
3322       fi
3323     else
3324       AC_MSG_RESULT(no)
3325     fi
3326   fi
3327
3328   if test x$FOUND_KRB5 = x"no"; then
3329     #################################################
3330     # see if this box has the RedHat location for kerberos
3331     AC_MSG_CHECKING(for /usr/kerberos)
3332     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3333       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3334       KRB5_CFLAGS="-I/usr/kerberos/include"
3335       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3336       FOUND_KRB5=yes
3337       AC_MSG_RESULT(yes)
3338     else
3339       AC_MSG_RESULT(no)
3340     fi
3341   fi
3342
3343   if test x$FOUND_KRB5 = x"no"; then
3344     #################################################
3345     # see if this box has the OpenBSD location for heimdal krb5
3346     AC_MSG_CHECKING(for /usr/include/kerberosV)
3347     if test -d /usr/include/kerberosV; then
3348       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3349       KRB5_LIBS="-lcrypto"
3350       FOUND_KRB5=yes
3351       AC_MSG_RESULT(yes)
3352     else
3353       AC_MSG_RESULT(no)
3354     fi
3355   fi
3356
3357   if test x$FOUND_KRB5 = x"no"; then
3358     #################################################
3359     # see if this box has Solaris MIT kerberos implementation
3360     AC_MSG_CHECKING(for Solaris MIT kerberos)
3361     if test -x "$KRB5CONFIG" && $KRB5CONFIG --version | grep -s Solaris | grep -s MIT > /dev/null ; then
3362        FOUND_KRB5=yes
3363        KRB5_LIBS="-lgss -lkrb5"
3364        KRB5_CFLAGS="`$KRB5CONFIG --cflags`"
3365        KRB5_CPPFLAGS="`$KRB5CONFIG --cflags`"
3366        AC_MSG_RESULT(yes)
3367     else
3368       AC_MSG_RESULT(no)
3369     fi
3370   fi
3371
3372   ac_save_CFLAGS=$CFLAGS
3373   ac_save_CPPFLAGS=$CPPFLAGS
3374   ac_save_LDFLAGS=$LDFLAGS
3375
3376   # remove needless evil rpath stuff as early as possible:
3377   LIB_REMOVE_USR_LIB(KRB5_LIBS)
3378   LIB_REMOVE_USR_LIB(KRB5_LDFLAGS)
3379   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3380   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3381   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3382
3383   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3384
3385   # now check for krb5.h. Some systems have the libraries without the headers!
3386   # note that this check is done here to allow for different kerberos
3387   # include paths
3388   AC_CHECK_HEADERS(krb5.h)
3389
3390   if test x"$ac_cv_header_krb5_h" = x"no"; then
3391
3392     # Give a warning if AD support was not explicitly requested,
3393     # i.e with_ads_support = auto, otherwise die with an error.
3394
3395     if test x"$with_ads_support" = x"yes"; then
3396       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3397     else
3398       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3399     fi
3400
3401     # Turn off AD support and restore CFLAGS and LIBS variables
3402
3403     with_ads_support="no"
3404
3405     CFLAGS=$ac_save_CFLAGS
3406     CPPFLAGS=$ac_save_CPPFLAGS
3407     LDFLAGS=$ac_save_LDFLAGS
3408   fi
3409
3410   # check for new heimdal KRB5_DEPRECATED handling
3411
3412   AC_CACHE_CHECK([for KRB5_DEPRECATED define taking an identifier],
3413                 samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER,[
3414     AC_TRY_COMPILE(
3415       [#define KRB5_DEPRECATED 1
3416       #include <krb5.h>],
3417       [],
3418       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=yes,
3419       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=no)])
3420
3421   if test x"$samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER" = x"yes"; then
3422     AC_DEFINE(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER, 1,
3423                [Whether to use deprecated krb5 interfaces])
3424   fi
3425 fi
3426
3427 # Now we have determined whether we really want ADS support
3428 use_ads=no
3429 if test x"$with_ads_support" != x"no"; then
3430   use_ads=yes
3431   have_gssapi=no
3432   ac_save_LIBS=$LIBS
3433
3434   # now check for gssapi headers.  This is also done here to allow for
3435   # different kerberos include paths
3436   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h)
3437
3438   ##################################################################
3439   # we might need the k5crypto and com_err libraries on some systems
3440   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3441   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3442
3443   # Heimdal checks.
3444   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3445   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3446   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3447
3448   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3449   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3450
3451   ########################################################
3452   # now see if we can find the krb5 libs in standard paths
3453   # or as specified above
3454   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3455   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3456
3457   ########################################################
3458   # now see if we can find the gssapi libs in standard paths
3459   if test x"$have_gssapi" != x"yes"; then
3460      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3461      AC_CHECK_LIB_EXT(gss, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3462   fi
3463   ################################################################
3464   # test for AD / GSSAPI support being enabled
3465   if test x"$have_gssapi" != xyes ; then
3466         AC_MSG_WARN([Samba cannot be supported without GSSAPI])
3467         use_ads=no
3468   else
3469         AC_DEFINE(HAVE_GSSAPI, , [Whether the platform has GSSAPI support])
3470   fi
3471
3472   # This is for FreeBSD (and possibly others). gss_mech_krb5 is a
3473   # #define to GSS_KRB5_MECHANISM, which is defined in -lgssapi_krb5
3474   # Also, gsskrb5_extract_authz_data_from_sec_context is in -lgssapi_krb5
3475   AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS, GSS_KRB5_MECHANISM,
3476                    [KRB5_LIBS="$KRB5_LIBS -lgssapi_krb5"])
3477
3478   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3479   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3480   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3481   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3482   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3483   AC_CHECK_FUNC_EXT(krb5_c_string_to_key, $KRB5_LIBS)
3484   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3485   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3486   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3487   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3488   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3489   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3490   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3491   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3492   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3493   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3494   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3495   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3496   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3497   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3498   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3499   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3500   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3501   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3502   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3503   AC_CHECK_FUNC_EXT(krb5_make_principal, $KRB5_LIBS)
3504   AC_CHECK_FUNC_EXT(krb5_principal_get_num_comp, $KRB5_LIBS)
3505   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3506   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3507   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3508   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3509   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3510   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3511   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3512   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3513   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3514   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3515   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_alloc, $KRB5_LIBS)
3516   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_set_impersonate, $KRB5_LIBS)
3517   AC_CHECK_FUNC_EXT(krb5_get_creds, $KRB5_LIBS)
3518   AC_CHECK_FUNC_EXT(krb5_get_credentials_for_user, $KRB5_LIBS)
3519   AC_CHECK_FUNC_EXT(krb5_get_host_realm, $KRB5_LIBS)
3520   AC_CHECK_FUNC_EXT(krb5_free_host_realm, $KRB5_LIBS)
3521   AC_CHECK_FUNC_EXT(krb5_get_init_creds_keytab, $KRB5_LIBS)
3522   AC_CHECK_FUNC_EXT(krb5_build_principal_alloc_va, $KRB5_LIBS)
3523   AC_CHECK_FUNC_EXT(krb5_cc_get_lifetime, $KRB5_LIBS)
3524   AC_CHECK_FUNC_EXT(krb5_cc_retrieve_cred, $KRB5_LIBS)
3525   AC_CHECK_FUNC_EXT(krb5_free_checksum_contents, $KRB5_LIBS)
3526   AC_CHECK_FUNC_EXT(krb5_create_checksum, $KRB5_LIBS)
3527   AC_CHECK_FUNC_EXT(krb5_c_make_checksum, $KRB5_LIBS)
3528   AC_CHECK_FUNC_EXT(gss_krb5_import_cred, $KRB5_LIBS)
3529   AC_CHECK_FUNC_EXT(gss_get_name_attribute, $KRB5_LIBS)
3530   AC_CHECK_FUNC_EXT(gsskrb5_extract_authz_data_from_sec_context, $KRB5_LIBS)
3531   AC_CHECK_FUNC_EXT(gss_mech_krb5, $KRB5_LIBS)
3532   AC_CHECK_FUNC_EXT(gss_oid_equal, $KRB5_LIBS)
3533   AC_CHECK_FUNC_EXT(gss_inquire_sec_context_by_oid, $KRB5_LIBS)
3534   AC_CHECK_FUNC_EXT(gss_wrap_iov, $KRB5_LIBS)
3535
3536   # MIT krb5 1.8 does not expose this call (yet)
3537   AC_CHECK_DECLS(krb5_get_credentials_for_user, [], [], [#include <krb5.h>])
3538
3539   # MIT krb5 1.7beta3 (in Ubuntu Karmic) does not have this declaration
3540   # but does have the symbol
3541   AC_CHECK_DECLS(krb5_auth_con_set_req_cksumtype, [], [], [#include <krb5.h>])
3542
3543   LIBS="$KRB5_LIBS $LIBS"
3544
3545   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3546           smb_krb5_cv_creds_opt_free_context,
3547           [
3548                 AC_TRY_COMPILE([
3549                     #include <krb5.h>],
3550                     [
3551                         krb5_context ctx;
3552                         krb5_get_init_creds_opt *opt = NULL;
3553                         krb5_get_init_creds_opt_free(ctx, opt);
3554                     ],
3555                     [smb_krb5_cv_creds_opt_free_context=yes],
3556                     [smb_krb5_cv_creds_opt_free_context=no]
3557                 )
3558           ])
3559
3560   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3561         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3562             [Whether krb5_get_init_creds_opt_free takes a context argument])
3563   fi
3564
3565   AC_CACHE_CHECK([for checksum in krb5_checksum],
3566                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3567     AC_TRY_COMPILE([#include <krb5.h>],
3568       [krb5_checksum cksum; cksum.checksum.length = 0;],
3569       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3570       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3571
3572   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3573     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3574                [Whether the krb5_checksum struct has a checksum property])
3575   fi
3576
3577   AC_CACHE_CHECK([for etype in EncryptedData],
3578                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3579     AC_TRY_COMPILE([#include <krb5.h>],
3580       [EncryptedData edata; edata.etype = 0;],
3581       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3582       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3583
3584   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3585     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3586                [Whether the EncryptedData struct has a etype property])
3587   fi
3588
3589   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3590                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3591     AC_TRY_COMPILE([#include <krb5.h>],
3592       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3593       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3594       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3595
3596   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
3597     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
3598                [Whether the krb5_ap_req struct has a ticket pointer])
3599   fi
3600
3601   AC_CACHE_CHECK([for e_data pointer in krb5_error],
3602                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
3603     AC_TRY_COMPILE([#include <krb5.h>],
3604       [krb5_error err; err.e_data = NULL;],
3605       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
3606       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
3607
3608   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
3609     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
3610                [Whether the krb5_error struct has a e_data pointer])
3611   fi
3612
3613   AC_CACHE_CHECK([for krb5_crypto type],
3614                 samba_cv_HAVE_KRB5_CRYPTO,[
3615     AC_TRY_COMPILE([#include <krb5.h>],
3616       [krb5_crypto crypto;],
3617       samba_cv_HAVE_KRB5_CRYPTO=yes,
3618       samba_cv_HAVE_KRB5_CRYPTO=no)])
3619
3620   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
3621     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
3622                [Whether the type krb5_crypto exists])
3623   fi
3624
3625   AC_CACHE_CHECK([for addrtype in krb5_address],
3626                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
3627     AC_TRY_COMPILE([#include <krb5.h>],
3628       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
3629       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
3630       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
3631
3632   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
3633     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
3634                [Whether the krb5_address struct has a addrtype property])
3635   fi
3636
3637   AC_CACHE_CHECK([for addr_type in krb5_address],
3638                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
3639     AC_TRY_COMPILE([#include <krb5.h>],
3640       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
3641       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
3642       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
3643
3644   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
3645     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
3646               [Whether the krb5_address struct has a addr_type property])
3647   fi
3648
3649   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
3650                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
3651     AC_TRY_COMPILE([#include <krb5.h>],
3652       [krb5_keyblock key; key.keyvalue.data = NULL;],
3653       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
3654       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
3655
3656   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
3657     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
3658               [Whether the krb5_keyblock struct has a keyvalue property])
3659   fi
3660
3661   found_arcfour_hmac=no
3662   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
3663                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
3664     AC_TRY_COMPILE([#include <krb5.h>],
3665       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
3666       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
3667       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
3668   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
3669                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
3670     AC_TRY_COMPILE([#include <krb5.h>],
3671       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
3672       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
3673       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
3674 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
3675 # w.r.t. arcfour and windows, so we must not enable it here
3676   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
3677           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
3678     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
3679               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available])
3680     found_arcfour_hmac=yes
3681   fi
3682   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC],
3683                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC,[
3684     AC_TRY_COMPILE([#include <krb5.h>],
3685       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC;],
3686       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=yes,
3687       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=no)])
3688   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC" = x"yes"; then
3689     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC,1,
3690               [Whether the ENCTYPE_ARCFOUR_HMAC key type definition is available])
3691     found_arcfour_hmac=yes
3692   fi
3693
3694   AC_CACHE_CHECK([for ENCTYPE_AES128_CTS_HMAC_SHA1_96],
3695                  samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,[
3696     AC_TRY_COMPILE([#include <krb5.h>],
3697       [krb5_enctype enctype; enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;],
3698       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=yes,
3699       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=no)])
3700   if test x"$samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96" = x"yes"; then
3701     AC_DEFINE(HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,1,
3702               [Whether the ENCTYPE_AES128_CTS_HMAC_SHA1_96 key type definition is available])
3703   fi
3704   AC_CACHE_CHECK([for ENCTYPE_AES256_CTS_HMAC_SHA1_96],
3705                  samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,[
3706     AC_TRY_COMPILE([#include <krb5.h>],
3707       [krb5_enctype enctype; enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;],
3708       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=yes,
3709       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=no)])
3710   if test x"$samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96" = x"yes"; then
3711     AC_DEFINE(HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,1,
3712               [Whether the ENCTYPE_AES256_CTS_HMAC_SHA1_96 key type definition is available])
3713   fi
3714
3715   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
3716                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
3717     AC_TRY_COMPILE([#include <krb5.h>],
3718       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
3719       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
3720       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
3721
3722   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
3723     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
3724               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
3725   fi
3726
3727   AC_CACHE_CHECK([for KV5M_KEYTAB],
3728                  samba_cv_HAVE_KV5M_KEYTAB,[
3729     AC_TRY_COMPILE([#include <krb5.h>],
3730       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
3731       samba_cv_HAVE_KV5M_KEYTAB=yes,
3732       samba_cv_HAVE_KV5M_KEYTAB=no)])
3733
3734   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
3735       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
3736              [Whether the KV5M_KEYTAB option is available])
3737   fi
3738
3739   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
3740                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
3741     AC_TRY_COMPILE([#include <krb5.h>],
3742       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
3743       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
3744       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
3745
3746   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
3747     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
3748               [Whether KRB5_KU_OTHER_CKSUM is available])
3749   fi
3750
3751   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
3752                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
3753     AC_TRY_COMPILE([#include <krb5.h>],
3754       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
3755       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
3756       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
3757
3758   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
3759     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
3760               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
3761   fi
3762
3763   AC_CACHE_CHECK([for the krb5_princ_component macro],
3764                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
3765     AC_TRY_LINK([#include <krb5.h>],
3766       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
3767       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
3768       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
3769
3770   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
3771     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
3772                [Whether krb5_princ_component is available])
3773   fi
3774
3775   AC_CACHE_CHECK([for key in krb5_keytab_entry],
3776                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
3777     AC_TRY_COMPILE([#include <krb5.h>],
3778       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
3779       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
3780       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
3781
3782   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
3783     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
3784               [Whether krb5_keytab_entry has key member])
3785   fi
3786
3787   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
3788                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
3789     AC_TRY_COMPILE([#include <krb5.h>],
3790       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
3791       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
3792       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
3793
3794   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
3795     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
3796               [Whether krb5_keytab_entry has keyblock member])
3797   fi
3798
3799   AC_CACHE_CHECK([for magic in krb5_address],
3800                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
3801     AC_TRY_COMPILE([#include <krb5.h>],
3802       [krb5_address addr; addr.magic = 0;],
3803       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
3804       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
3805
3806   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
3807     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
3808               [Whether the krb5_address struct has a magic property])
3809   fi
3810
3811   AC_CACHE_CHECK([for WRFILE: keytab support],
3812                 samba_cv_HAVE_WRFILE_KEYTAB,[
3813     AC_TRY_RUN([
3814 #include<krb5.h>
3815   main()
3816   {
3817     krb5_context context;
3818     krb5_keytab keytab;
3819
3820     krb5_init_context(&context);
3821     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
3822   }],
3823   samba_cv_HAVE_WRFILE_KEYTAB=yes,
3824   samba_cv_HAVE_WRFILE_KEYTAB=no)])
3825
3826   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
3827       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
3828                [Whether the WRFILE:-keytab is supported])
3829   fi
3830
3831   AC_CACHE_CHECK([for krb5_realm type],
3832                 samba_cv_HAVE_KRB5_REALM_TYPE,[
3833     AC_TRY_COMPILE([#include <krb5.h>],
3834       [krb5_realm realm;],
3835       samba_cv_HAVE_KRB5_REALM_TYPE=yes,
3836       samba_cv_HAVE_KRB5_REALM_TYPE=no)])
3837
3838   if test x"$samba_cv_HAVE_KRB5_REALM_TYPE" = x"yes"; then
3839     AC_DEFINE(HAVE_KRB5_REALM_TYPE,1,
3840                [Whether the type krb5_realm exists])
3841   fi
3842
3843   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
3844                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
3845     AC_TRY_COMPILE([#include <krb5.h>],
3846     [
3847     krb5_context context;
3848     krb5_principal principal;
3849     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
3850     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
3851     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
3852
3853   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
3854     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
3855               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
3856   fi
3857
3858   AC_CACHE_CHECK([for krb5_addresses type],
3859                 samba_cv_HAVE_KRB5_ADDRESSES,[
3860     AC_TRY_COMPILE([#include <krb5.h>],
3861       [krb5_addresses addr;],
3862       samba_cv_HAVE_KRB5_ADDRESSES=yes,
3863       samba_cv_HAVE_KRB5_ADDRESSES=no)])
3864
3865   if test x"$samba_cv_HAVE_KRB5_ADDRESSES" = x"yes"; then
3866     AC_DEFINE(HAVE_KRB5_ADDRESSES,1,
3867                [Whether the type krb5_addresses type exists])
3868   fi
3869
3870   if test x"$ac_cv_func_ext_krb5_enctype_to_string" = x"yes"; then
3871     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_context context, krb5_enctype enctype, char **str)],
3872         smb_krb5_cv_enctype_to_string_takes_krb5_context_arg,[
3873         AC_TRY_RUN_STRICT([
3874                 #include <stdlib.h>
3875                 #include <krb5.h>
3876                 int main(void) {
3877                         krb5_context context = NULL;
3878                         char *str = NULL;
3879                         krb5_enctype_to_string(context, 1, &str);
3880                         if (str) free (str); 
3881                         return 0;
3882                 }
3883                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3884                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=yes,
3885                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=no)])
3886
3887     if test x"$smb_krb5_cv_enctype_to_string_takes_krb5_context_arg" = x"yes"; then
3888       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG,1,
3889                 [whether krb5_enctype_to_string takes krb5_context argument])
3890     fi
3891
3892     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_enctype enctype, char *str, size_t len)],
3893         smb_krb5_cv_enctype_to_string_takes_size_t_arg,[
3894         AC_TRY_RUN_STRICT([
3895                 #include <krb5.h>
3896                 int main(void) {
3897                         char buf[256];
3898                         krb5_enctype_to_string(1, buf, 256);
3899                         return 0;
3900                 }
3901                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3902                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=yes,
3903                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=no)])
3904
3905     if test x"$smb_krb5_cv_enctype_to_string_takes_size_t_arg" = x"yes"; then
3906       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG,1,
3907                 [whether krb5_enctype_to_string takes size_t argument])
3908     fi
3909   fi
3910
3911   AC_CACHE_CHECK([for krb5_principal_get_realm],
3912                 samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM,[
3913     AC_TRY_LINK([#include <krb5.h>],
3914       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_principal_get_realm(ctx, princ);],
3915       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=yes,
3916       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=no)])
3917
3918   if test x"$samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM" = x"yes"; then
3919     AC_DEFINE(HAVE_KRB5_PRINCIPAL_GET_REALM,1,
3920                [Whether the function krb5_principal_get_realm is defined])
3921   fi
3922
3923   AC_CACHE_CHECK([for krb5_princ_realm],
3924                 samba_cv_HAVE_KRB5_PRINC_REALM,[
3925     AC_TRY_LINK([#include <krb5.h>],
3926       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_princ_realm(ctx, princ)->data;],
3927       samba_cv_HAVE_KRB5_PRINC_REALM=yes,
3928       samba_cv_HAVE_KRB5_PRINC_REALM=no)])
3929
3930   if test x"$samba_cv_HAVE_KRB5_PRINC_REALM" = x"yes"; then
3931     AC_DEFINE(HAVE_KRB5_PRINC_REALM,1,
3932                [Whether the macro krb5_princ_realm is defined])
3933   fi
3934
3935   AC_HAVE_DECL(KRB5_PDU_NONE,[#include <krb5.h>])
3936
3937   AC_CACHE_CHECK([for flags in krb5_creds],
3938                 samba_cv_HAVE_FLAGS_IN_KRB5_CREDS,[
3939     AC_TRY_COMPILE([#include <krb5.h>],
3940       [krb5_creds creds; creds.flags.b.initial = 0;],
3941       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=yes,
3942       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=no)])
3943
3944   if test x"$samba_cv_HAVE_FLAGS_IN_KRB5_CREDS" = x"yes"; then
3945     AC_DEFINE(HAVE_FLAGS_IN_KRB5_CREDS,1,
3946                [Whether the krb5_creds struct has a flags property])
3947   fi
3948   #
3949   #
3950   # Now the decisions whether we can support krb5
3951   #
3952   # NOTE: all tests should be done before this block!
3953   #
3954   #
3955   if test x"$found_arcfour_hmac" != x"yes"; then
3956     AC_MSG_WARN(arcfour-hmac-md5 encryption type not found in -lkrb5)
3957     use_ads=no
3958   fi
3959
3960   if test x"$ac_cv_func_ext_krb5_set_real_time" != x"yes"; then
3961     AC_MSG_WARN(krb5_set_real_time encryption type not found in -lkrb5)
3962     use_ads=no
3963   fi
3964
3965   if test x"$ac_cv_lib_ext_krb5_krb5_mk_req_extended" != x"yes"; then
3966     AC_MSG_WARN(krb5_mk_req_extended not found in -lkrb5)
3967     use_ads=no
3968   fi
3969
3970   if test x"$ac_cv_func_ext_krb5_get_host_realm" != x"yes"
3971   then
3972     AC_MSG_WARN(krb5_get_host_realm not found in -lkrb5)
3973     use_ads=no
3974   fi
3975
3976   if test x"$ac_cv_func_ext_krb5_free_host_realm" != x"yes"
3977   then
3978     AC_MSG_WARN(krb5_free_host_realm not found in -lkrb5)
3979     use_ads=no
3980   fi
3981
3982   if test x"$ac_cv_func_ext_krb5_fwd_tgt_creds" != x"yes"
3983   then
3984     AC_MSG_WARN(krb5_fwd_tgt_creds not found in -lkrb5)
3985     use_ads=no
3986   fi
3987
3988   if test x"$ac_cv_func_ext_krb5_get_init_creds_opt_alloc" != x"yes"
3989   then
3990     AC_MSG_WARN(krb5_get_init_creds_opt_alloc found in -lkrb5)
3991     use_ads=no
3992   fi
3993
3994   if test x"$smb_krb5_cv_creds_opt_free_context" != x"yes"
3995   then
3996     AC_MSG_WARN(krb5_get_init_creds_opt_free not found or was too old in -lkrb5)
3997     use_ads=no
3998   fi
3999
4000   if test x"$ac_cv_func_ext_krb5_get_renewed_creds" != x"yes"
4001   then
4002     AC_MSG_WARN(krb5_get_renewed_creds not found in -lkrb5)
4003     use_ads=no
4004   fi
4005
4006   if test x"$ac_cv_func_ext_krb5_principal_compare_any_realm" != x"yes"
4007   then
4008     AC_MSG_WARN(krb5_principal_compare_any_realm not found in -lkrb5)
4009     use_ads=no
4010   fi
4011
4012   if test x"$ac_cv_func_ext_krb5_principal2salt" != x"yes" -o \
4013           x"$ac_cv_func_ext_krb5_c_string_to_key" != x"yes"
4014   then
4015         if test x"$ac_cv_func_ext_krb5_get_pw_salt" != x"yes" -o \
4016              x"$ac_cv_func_ext_krb5_string_to_key_salt" != x"yes"
4017         then
4018               AC_MSG_WARN(no CREATE_KEY_FUNCTIONS detected)
4019               use_ads=no
4020         fi
4021   fi
4022
4023   if test x"$ac_cv_func_ext_krb5_get_permitted_enctypes" != x"yes" -a \
4024           x"$ac_cv_func_ext_krb5_get_default_in_tkt_etypes" != x"yes"
4025   then
4026     AC_MSG_WARN(no GET_ENCTYPES_FUNCTIONS detected)
4027     use_ads=no
4028   fi
4029
4030   if test x"$ac_cv_func_ext_krb5_kt_free_entry" != x"yes" -a \
4031           x"$ac_cv_func_ext_krb5_free_keytab_entry_contents" != x"yes"
4032   then
4033     AC_MSG_WARN(no KT_FREE_FUNCTION detected)
4034     use_ads=no
4035   fi
4036
4037   if test x"$ac_cv_func_ext_krb5_c_verify_checksum" != x"yes"
4038   then
4039     AC_MSG_WARN(krb5_c_verify_checksum not found in -lkrb5)
4040     use_ads=no
4041   fi
4042
4043   if test x"$ac_cv_func_ext_gss_wrap_iov" != x"yes" ; then
4044     AC_MSG_WARN(gss_wrap_iov not found in -lgssapi)
4045     use_ads=no
4046   fi
4047
4048   if test x"$ac_cv_func_ext_gss_get_name_attribute" != x"yes" ; then
4049     if test x"$ac_cv_func_ext_gsskrb5_extract_authz_data_from_sec_context" != x"yes" -o \
4050             x"$ac_cv_func_ext_gss_inquire_sec_context_by_oid" != x"yes"
4051     then
4052       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)
4053       use_ads=no
4054     fi
4055   fi
4056
4057   if test x"$use_ads" = x"yes"; then
4058     AC_DEFINE(WITH_ADS,1,[Whether to include Active Directory support])
4059     AC_DEFINE(HAVE_KRB5,1,[Whether to have KRB5 support])
4060   else
4061     if test x"$with_ads_support" = x"yes"; then
4062         AC_MSG_ERROR(krb5 libs don't have all features required for Active Directory support)
4063     else
4064         AC_MSG_WARN(krb5 libs don't have all features required for Active Directory support)
4065     fi
4066     AC_REMOVE_DEFINE(HAVE_KRB5_H)
4067     AC_REMOVE_DEFINE(HAVE_GSSAPI_H)
4068     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_GENERIC_H)
4069     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_H)
4070     AC_REMOVE_DEFINE(HAVE_GSSAPI)
4071     KRB5_LIBS=""
4072     with_ads_support=no
4073   fi
4074   AC_MSG_CHECKING(whether Active Directory and krb5 support is used)
4075   AC_MSG_RESULT([$use_ads])
4076
4077 LIBS="$ac_save_LIBS"
4078 fi
4079
4080 AC_CHECK_LIB_EXT(nscd, NSCD_LIBS, nscd_flush_cache)
4081 PASSDB_LIBS="$PASSDB_LIBS $NSCD_LIBS"
4082
4083
4084 ########################################################
4085 # Compile with DNS Updates support?
4086
4087 with_dnsupdate_support=auto
4088 AC_MSG_CHECKING([whether to enable DNS Updates support])
4089
4090 AC_ARG_WITH(dnsupdate,
4091 [AS_HELP_STRING([--with-dnsupdate], [Enable DNS Updates support (default=auto)])],
4092 [ case "$withval" in
4093     yes|no)
4094         with_dnsupdate_support=$withval
4095         ;;
4096   esac ])
4097
4098 AC_MSG_RESULT($with_dnsupdate_support)
4099
4100 if test x"$with_dnsupdate_support" != x"no"; then
4101
4102   ################################################################
4103   # first test for AD / GSSAPI support being enabled
4104         if test x"$have_gssapi" != xyes -o x"$use_ads" != xyes ; then
4105                 if test x"$with_dnsupdate_support" = x"yes" ; then
4106                         AC_MSG_ERROR(DNS Updates support only possible with AD and GSSAPI support)
4107                 else
4108                         AC_MSG_NOTICE(DNS Updates support only possible with AD and GSSAPI support)
4109                         with_dnsupdate_support=no
4110                 fi
4111         fi
4112 fi
4113
4114 if test x"$with_dnsupdate_support" != x"no"; then
4115       AC_DEFINE(WITH_DNS_UPDATES,1,[Whether to enable DNS Update support])
4116 fi
4117
4118   # finally print out the result:
4119 AC_MSG_CHECKING(whether DNS Updates support is used)
4120 AC_MSG_RESULT([$with_dnsupdate_support])
4121
4122
4123 #################################################
4124 # check for automount support
4125 AC_MSG_CHECKING(whether to use automount)
4126 AC_ARG_WITH(automount,
4127 [AS_HELP_STRING([--with-automount], [Include automount support (default=no)])],
4128 [ case "$withval" in
4129   yes)
4130     AC_MSG_RESULT(yes)
4131     AC_DEFINE(WITH_AUTOMOUNT,1,[Whether to include automount support])
4132     ;;
4133   *)
4134     AC_MSG_RESULT(no)
4135     ;;
4136   esac ],
4137   AC_MSG_RESULT(no)
4138 )
4139
4140 #################################################
4141 # Check for a PAM clear-text auth, accounts, password
4142 # and session support. Most PAM implementations keep their
4143 # headers in /usr/include/security. Darwin keeps its in
4144 # /usr/include/pam.
4145
4146 with_pam_for_crypt=no
4147 try_pam=auto
4148 AC_MSG_CHECKING(whether to try PAM support)
4149 AC_ARG_WITH(pam,
4150 [AS_HELP_STRING([--with-pam], [Include PAM support (default=auto)])],
4151 [ case "$withval" in
4152   yes|no|auto)
4153     try_pam=$withval
4154     ;;
4155   esac
4156 ])
4157 AC_MSG_RESULT([$try_pam])
4158
4159 use_pam=no
4160 create_pam_modules=no
4161 if test x"${try_pam}" != x"no";then
4162         use_pam=yes
4163         create_pam_modules=yes
4164
4165         # Most systems have PAM headers in /usr/include/security, but Darwin
4166         # has them in /usr/include/pam.
4167         AC_CHECK_HEADERS(security/pam_appl.h pam/pam_appl.h)
4168         if test x"$ac_cv_header_security_pam_appl_h" != x"yes" -a \
4169                 x"$ac_cv_header_pam_pam_appl_h" != x"yes"; then
4170                 if test x"${try_pam}" = x"yes";then
4171                         AC_MSG_ERROR([--with-pam=yes but pam_appl.h not found])
4172                 fi
4173                 use_pam=no
4174                 create_pam_modules=no
4175         fi
4176
4177         AC_CHECK_LIB_EXT(pam, PAM_LIBS, pam_get_data)
4178         if test x"$ac_cv_lib_ext_pam_pam_get_data" != x"yes"; then
4179                 if test x"${try_pam}" = x"yes";then
4180                         AC_MSG_ERROR([--with-pam=yes but libpam not found])
4181                 fi