build(autoconf): fix check for ctdb_private.h
[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="$default_shared_modules vfs_media_harmony"
470 default_shared_modules="$default_shared_modules idmap_autorid"
471 default_shared_modules="$default_shared_modules idmap_tdb2"
472 default_shared_modules="$default_shared_modules idmap_rid"
473 default_shared_modules="$default_shared_modules idmap_hash"
474
475 if test "x$developer" = xyes; then
476    default_shared_modules="$default_shared_modules perfcount_test"
477 fi
478
479 if test x"$selftest" = x"yes" -o "x$developer" = xyes; then
480    default_shared_modules="$default_shared_modules vfs_fake_acls"
481 fi
482
483 #
484 # Config CPPFLAG settings for strange OS's that must be set
485 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
486 # case statement; its first reference must be unconditional.
487 #
488 case "$host_os" in
489     *hpux*)
490 #
491 # Defines needed for HPUX support.
492 # HPUX has bigcrypt but (sometimes?) doesn't use it for
493 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
494 #
495       case `uname -r` in
496                 *9*|*10*|*11)
497                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
498                 ;;
499       esac
500       ;;
501
502 #
503 # AIX4.x doesn't even admit to having large
504 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
505 #
506     *aix4*)
507           AC_MSG_RESULT([enabling large file support])
508           CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
509           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
510       ;;
511 #
512 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
513 # to the existance of large files..
514 #
515 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
516 #
517         *solaris*)
518                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
519                 LDFLAGS="$LDFLAGS -lthread"
520                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
521                 ;;
522 #
523 # IRIX uses SYSV printing.  Make sure to set that here
524 #
525         *irix*)
526                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
527                 ;;
528         *freebsd*|*dragonfly*)
529                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
530                 ;;
531 #
532 # VOS may need to have POSIX support and System V compatibility enabled.
533 #
534     *vos*)
535     case "$CPPFLAGS" in
536           *-D_POSIX_C_SOURCE*)
537                 ;;
538           *)
539                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
540                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
541                 ;;
542     esac
543     case "$CPPFLAGS" in
544           *-D_SYSV*|*-D_SVID_SOURCE*)
545                 ;;
546           *)
547                 CPPFLAGS="$CPPFLAGS -D_SYSV"
548                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
549     esac
550     ;;
551 # GNU systems
552 #
553     *linux* | *hurd* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
554         CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
555         AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
556         ;;
557
558 #
559 # MacOS X is the *only* system that uses compose character in utf8. This
560 # is so horribly broken....
561 #
562     *darwin*)
563         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
564
565 # Add a system specific charset module.
566         default_shared_modules="$default_shared_modules"
567
568         ;;
569     *qnx*)
570         ;;
571
572 esac
573
574 SAVE_CPPFLAGS="${CPPFLAGS}"
575 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
576
577 AC_LIBREPLACE_BROKEN_CHECKS
578 AC_CHECK_FUNCS([syslog],[],[AC_MSG_ERROR([Required function not found])])
579 AC_LIBREPLACE_NETWORK_CHECKS
580
581 CPPFLAGS="${SAVE_CPPFLAGS}"
582
583 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
584
585 LIBREPLACE_OBJS="${LIBREPLACEOBJ}"
586 AC_SUBST(LIBREPLACE_OBJS)
587
588 LIBREPLACE_LIBS="${LIBREPLACE_NETWORK_LIBS} ${LIBREPLACE_FILESYS_LIBS}"
589 AC_SUBST(LIBREPLACE_LIBS)
590
591
592 # add -ldl to the global LIBS
593 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
594 AUTH_LIBS="${AUTH_LIBS} ${CRYPT_LIBS}"
595
596
597 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
598 AC_CHECK_HEADERS(unistd.h grp.h sys/id.h memory.h alloca.h)
599 AC_CHECK_HEADERS(limits.h float.h libintl.h)
600 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
601 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h sys/sysctl.h)
602 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
603 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
604 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
605 AC_CHECK_HEADERS(sys/sysmacros.h)
606 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
607 AC_CHECK_HEADERS(langinfo.h locale.h)
608 AC_CHECK_HEADERS(xfs/libxfs.h)
609 AC_CHECK_HEADERS(netgroup.h)
610 AC_CHECK_HEADERS(linux/falloc.h)
611 AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
612
613 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
614 #if HAVE_RPC_RPC_H
615 #include <rpc/rpc.h>
616 #endif
617 ]])
618 CRYPTO_MD5_OBJ=
619 if test "x$ac_cv_header_CommonCrypto_CommonDigest_h" != "xyes"
620 then
621         CRYPTO_MD5_OBJ="../lib/crypto/md5.o"
622 fi
623 AC_SUBST(CRYPTO_MD5_OBJ)
624
625 ## These fail to compile on IRIX so just check for their presence
626 AC_CHECK_HEADERS(sys/mode.h,,,)
627
628 # Look for Darwin headers
629 old_CPPFLAGS="$CPPFLAGS"
630 CPPFLAGS="-Iinclude $CPPFLAGS"
631 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
632 CPPFLAGS="$old_CPPFLAGS"
633
634 # To link lib/util/charset/charset_macosxfs.c, we need to tell the linker
635 # about CoreFoundation, at least on os X 10.4..10.7 resp. darwin8..12
636 case "$host_os" in
637     *darwin*)
638                 LDFLAGS="$LDFLAGS -framework CoreFoundation"
639         ;;
640 esac
641
642 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
643 # subdirectory of headers.
644 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
645
646 if test x"$enable_developer" = x"yes" ; then
647    if test x"$ac_cv_header_valgrind_h" = xyes -o \
648            x"$ac_cv_header_valgrind_valgrind_h" = xyes ; then
649       AC_DEFINE(VALGRIND,1,[Whether we have valgrind headers])
650    fi
651 fi
652
653 #
654 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
655 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
656 #
657 case "$host_os" in
658     *hpux*)
659                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
660                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
661                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
662                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
663                 fi
664         ;;
665 esac
666 AC_CHECK_HEADERS(shadow.h)
667 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
668 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
669
670 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
671
672 # For experimental utmp support (lastlog on some BSD-like systems)
673 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
674
675 AC_CHECK_SIZEOF(int,cross)
676 AC_CHECK_SIZEOF(long,cross)
677 AC_CHECK_SIZEOF(long long,cross)
678 AC_CHECK_SIZEOF(short,cross)
679
680 AC_C_CONST
681 AC_C_INLINE
682 AC_C_BIGENDIAN
683 AC_C_CHAR_UNSIGNED
684
685 AC_TYPE_SIGNAL
686 AC_TYPE_UID_T
687 AC_TYPE_MODE_T
688 AC_TYPE_OFF_T
689 AC_TYPE_SIZE_T
690 AC_TYPE_PID_T
691 AC_STRUCT_ST_RDEV
692 AC_DIRENT_D_OFF
693 AC_CHECK_TYPE(ssize_t, int)
694 AC_CHECK_TYPE(wchar_t, unsigned short)
695
696 ############################################
697 # for cups support we need libcups, and a handful of header files
698
699 AC_ARG_ENABLE(cups,
700 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
701
702 if test x$enable_cups != xno; then
703         AC_PATH_PROG(CUPS_CONFIG, cups-config)
704
705         if test "x$CUPS_CONFIG" != x; then
706
707                 ac_save_LDFLAGS=$LDFLAGS
708                 ac_save_PRINT_LIBS=$PRINT_LIBS
709                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
710
711                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
712                         x"$ac_cv_header_cups_language_h" = xyes; then
713                         # try linking with -lcups alone first. That should work unless libcups is
714                         # underlinked. With cups-config --libs we pull in unwanted and unneeded
715                         # dendencies including thread libraries - use cups-config only if really
716                         # required. 
717                         AC_CHECK_LIB_EXT(cups, ac_save_PRINT_LIBS , httpConnect,
718                                 [PRINT_LIBS="$ac_save_PRINT_LIBS -lcups"],
719                                 [AC_MSG_WARN([your cups library doesn't link with -lcups alone, it might be underlinked.]) ;
720                                  PRINT_LIBS="$ac_save_PRINT_LIBS `$CUPS_CONFIG --libs`"])
721
722                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
723                         samba_cv_HAVE_CUPS=yes
724                         AC_CHECK_LIB_EXT(cups, PRINT_LIBS, httpConnectEncrypt)
725                 else
726                         AC_MSG_WARN([cups-config around but cups-devel not installed])
727                         CFLAGS=$ac_save_CFLAGS
728                         LDFLAGS=$ac_save_LDFLAGS
729                         PRINT_LIBS=$ac_save_PRINT_LIBS
730                 fi
731
732         elif test x"$enable_cups" = x"yes"; then
733                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
734         fi
735 fi
736
737 AC_ARG_ENABLE(iprint,
738 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
739
740 if test x$enable_iprint != xno; then
741         if test x"$samba_cv_HAVE_CUPS" = xyes; then
742                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
743         elif test x"$enable_iprint" = x"yes"; then
744                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
745         fi
746 fi
747
748 ############################################
749 # check if the compiler will optimize out function calls
750 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
751     AC_TRY_LINK([
752 #include <stdio.h>],
753 [
754                 if (0) {
755                    this_function_does_not_exist();
756                 } else {
757                   return 1;
758                 }
759
760 ],
761         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
762 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
763    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
764 fi
765
766 #############################################
767 # check for fd passing struct via msg_control
768 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
769     AC_TRY_COMPILE([
770 #include <sys/types.h>
771 #include <stdlib.h>
772 #include <stddef.h>
773 #include <sys/socket.h>
774 #include <sys/un.h>],
775 [
776         struct msghdr msg;
777         union {
778               struct cmsghdr cm;
779               char control[CMSG_SPACE(sizeof(int))];
780         } control_un;
781         msg.msg_control = control_un.control;
782         msg.msg_controllen = sizeof(control_un.control);
783 ],
784         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
785 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
786    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
787              [If we can use msg_control for passing file descriptors])
788 fi
789
790 #############################################
791 # check for fd passing struct via msg_acctrights
792 AC_CACHE_CHECK([for fd passing via msg_acctrights],
793                 samba_cv_msghdr_msg_acctrights, [
794     AC_TRY_COMPILE([
795 #include <sys/types.h>
796 #include <stdlib.h>
797 #include <stddef.h>
798 #include <sys/socket.h>
799 #include <sys/un.h>],
800 [
801         struct msghdr msg;
802         int fd;
803         msg.msg_acctrights = (caddr_t) &fd;
804         msg.msg_acctrightslen = sizeof(fd);
805 ],
806         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
807 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
808    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
809              [If we can use msg_acctrights for passing file descriptors])
810 fi
811
812 AC_CHECK_FUNCS(dirfd)
813 if test x"$ac_cv_func_dirfd" = x"yes"; then
814         default_shared_modules="$default_shared_modules vfs_syncops vfs_dirsort"
815 fi
816
817 AC_CACHE_CHECK([for struct sigevent type],samba_cv_struct_sigevent, [
818     AC_TRY_COMPILE([
819 #include <sys/types.h>
820 #if STDC_HEADERS
821 #include <stdlib.h>
822 #include <stddef.h>
823 #endif
824 #include <signal.h>],[struct sigevent s;],
825         samba_cv_struct_sigevent=yes,samba_cv_struct_sigevent=no)])
826 if test x"$samba_cv_struct_sigevent" = x"yes"; then
827    AC_DEFINE(HAVE_STRUCT_SIGEVENT,1,[Whether we have the struct sigevent])
828    AC_CHECK_MEMBERS([struct sigevent.sigev_value.sival_ptr,struct sigevent.sigev_value.sigval_ptr], , ,
829         [#include <signal.h>])
830 fi
831
832 # and glibc has setresuid under linux but the function does
833 # nothing until kernel 2.1.44! very dumb.
834 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
835     AC_TRY_RUN([#include <errno.h>
836 main() { setresuid(1,1,1); setresuid(2,2,2); return(errno==EPERM?0:1);}],
837         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
838 if test x"$samba_cv_have_setresuid" = x"yes"; then
839     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
840 fi
841
842 # Do the same check for setresguid...
843 #
844 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
845     AC_TRY_RUN([#include <unistd.h>
846 #include <errno.h>
847 main() { errno = 0; setresgid(1,1,1); return(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
848         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
849 if test x"$samba_cv_have_setresgid" = x"yes"; then
850     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
851 fi
852
853 AC_FUNC_MEMCMP
854
855 ###############################################
856 # Readline included by default unless explicitly asked not to
857 test "${with_readline+set}" != "set" && with_readline=yes
858
859 # test for where we get readline() from
860 AC_MSG_CHECKING(whether to use readline)
861 AC_ARG_WITH(readline,
862 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
863 [  case "$with_readline" in
864   yes)
865     AC_MSG_RESULT(yes)
866
867     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
868     AC_CHECK_HEADERS(readline/history.h)
869
870     AC_CHECK_HEADERS(readline.h readline/readline.h,[
871       for termlib in ncurses curses termcap terminfo termlib tinfo; do
872        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
873       done
874       AC_CHECK_LIB(readline, rl_callback_handler_install,
875        [TERMLIBS="-lreadline $TERMLIBS"
876        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
877        break], [TERMLIBS=], $TERMLIBS)])
878     ;;
879   no)
880     AC_MSG_RESULT(no)
881     ;;
882   *)
883     AC_MSG_RESULT(yes)
884
885     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
886     # alternate readline path
887     _ldflags=${LDFLAGS}
888     _cppflags=${CPPFLAGS}
889
890     # Add additional search path
891     LDFLAGS="-L$with_readline/lib $LDFLAGS"
892     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
893
894     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
895     AC_CHECK_HEADERS(readline/history.h)
896
897     AC_CHECK_HEADERS(readline.h readline/readline.h,[
898       for termlib in ncurses curses termcap terminfo termlib; do
899        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
900       done
901       AC_CHECK_LIB(readline, rl_callback_handler_install,
902        [TERMLDFLAGS="-L$with_readline/lib"
903        TERMCPPFLAGS="-I$with_readline/include"
904        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
905        TERMLIBS="-lreadline $TERMLIBS"
906        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
907        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
908
909     LDFLAGS=$_ldflags
910     ;;
911   esac],
912   AC_MSG_RESULT(no)
913 )
914 AC_SUBST(TERMLIBS)
915 AC_SUBST(TERMLDFLAGS)
916
917 # The readline API changed slightly from readline3 to readline4, so
918 # code will generate warnings on one of them unless we have a few
919 # special cases.
920 AC_CHECK_LIB(readline, rl_completion_matches,
921              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
922                         [Do we have rl_completion_matches?])],
923              [],
924              [$TERMLIBS])
925
926 # not all readline libs have rl_event_hook or history_list
927 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
928 AC_CHECK_LIB(readline, history_list,
929              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
930              [],
931              [$TERMLIBS])
932
933 ###############################################
934 # test for where we get yp_get_default_domain() from
935 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
936 AC_CHECK_FUNCS(yp_get_default_domain)
937
938 # Check if we have execl, if not we need to compile smbrun.
939 AC_CHECK_FUNCS(execl)
940 if test x"$ac_cv_func_execl" = x"no"; then
941     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun"
942 fi
943
944 AC_CHECK_FUNCS(getcwd fchown chmod fchmod mknod mknod64)
945 AC_CHECK_FUNCS(strtol)
946 AC_CHECK_FUNCS(strchr chflags)
947 AC_CHECK_FUNCS(getrlimit fsync setpgid)
948 AC_CHECK_FUNCS(fdatasync,,[AC_CHECK_LIB_EXT(rt, LIBS, fdatasync)])
949 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
950 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
951 AC_CHECK_FUNCS(initgroups select rdchk getgrnam getgrent pathconf)
952 AC_CHECK_FUNCS(getgrset)
953 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups syscall sysconf)
954 AC_CHECK_FUNCS(atexit grantpt posix_fallocate)
955 AC_CHECK_FUNCS(fallocate)
956 AC_CHECK_FUNCS(fseeko setluid getpwanam)
957 AC_CHECK_FUNCS(fdopendir)
958 AC_CHECK_FUNCS(getpwent_r)
959 AC_CHECK_FUNCS(setenv strcasecmp fcvt fcvtl)
960 AC_CHECK_FUNCS(syslog vsyslog timegm)
961 AC_CHECK_FUNCS(setlocale)
962 AC_CHECK_FUNCS(nanosleep,,[AC_CHECK_LIB_EXT(rt, LIBS, nanosleep)])
963 AC_CHECK_FUNCS(lutimes futimes utimensat futimens)
964 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
965 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
966 AC_CHECK_HEADERS(sys/mman.h)
967 # setbuffer, shmget, shm_open are needed for smbtorture
968 AC_CHECK_FUNCS(shmget shm_open)
969 AC_CHECK_FUNCS(gettext dgettext)
970 AC_CHECK_FUNCS(bindtextdomain textdomain bind_textdomain_codeset)
971 AC_CHECK_FUNCS(strupr)
972
973 # Find a method of generating a stack trace
974 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
975 # libexecinfo provides backtrace_symbols on FreeBSD
976 AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
977 AC_CHECK_FUNCS(backtrace_symbols)
978 AC_CHECK_LIB(exc, trace_back_stack)
979
980 # check for sysctlbyname and sysctl for BSD systems
981 AC_CHECK_FUNCS(sysctlbyname)
982 AC_CHECK_FUNCS(sysctl)
983
984 #################################################
985 # Check to see if core dump directory is defined in linux
986 # with /proc/sys/kernel/core_pattern
987
988 AC_CHECK_FILE([/proc/sys/kernel/core_pattern],
989         AC_DEFINE(HAVE_SYS_KERNEL_PROC_CORE_PATTERN, 1,
990         [Whether Linux kernel uses core_pattern for core files]),
991          [])
992
993 #############################
994 # check if building with gpfs
995 AC_CHECK_HEADERS(gpfs_gpl.h)
996 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes"; then
997     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL headers are available])
998     default_shared_modules="$default_shared_modules vfs_gpfs"
999 fi
1000
1001 # Note that all the libunwind symbols in the API are defined to internal
1002 # platform-specific version, so we must include libunwind.h before checking
1003 # any of them.
1004 AC_MSG_CHECKING([for libunwind])
1005 save_LIBS=$LIBS
1006
1007 UNWIND_ARCH="unknown"
1008 if test x"$UNAME_I" != x"unknown"; then
1009         UNWIND_ARCH="$UNAME_I"
1010 elif test x"$UNAME_M" != x"unknown"; then
1011         UNWIND_ARCH="$UNAME_M"
1012 elif test x"$UNAME_P" != x"unknown"; then
1013         UNWIND_ARCH="$UNAME_P"
1014 fi
1015
1016 case "$UNWIND_ARCH" in
1017         unknown)
1018                 # This probably won't link without
1019                 # the platform-specific libunwind.
1020                 LIBS="$LIBS -lunwind"
1021                 ;;
1022         i386|i586|i686)
1023                 # Add the platform-specific libunwind module.
1024                 LIBS="$LIBS -lunwind -lunwind-x86"
1025                 ;;
1026         *)
1027                 # Add the platform-specific libunwind module.
1028                 # based on uname -i, uname -m or uname -p
1029                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1030                 ;;
1031 esac
1032
1033 AC_TRY_LINK(
1034     [
1035 #ifdef HAVE_LIBUNWIND_H
1036 #include <libunwind.h>
1037 #endif
1038     ],
1039     [
1040         unw_context_t ctx; unw_cursor_t cur;
1041         char buf[256]; unw_word_t off;
1042         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1043         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1044     ],
1045     [
1046         AC_MSG_RESULT(yes)
1047         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1048
1049         # If we have libunwind, test whether we also have libunwind-ptrace
1050         # which would let us unwind arbitrary processes.
1051         save_LIBS=$LIBS
1052         AC_CHECK_HEADERS(libunwind-ptrace.h)
1053         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1054             [
1055                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1056                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1057                     [Whether libunwind-ptrace.a is available.])
1058             ],
1059             [ LIBUNWIND_PTRACE="" ])
1060
1061         LIBS=$save_LIBS
1062     ],
1063     [
1064         AC_MSG_RESULT(no)
1065         LIBS=$save_LIBS
1066     ])
1067
1068 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1069 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1070     AC_CHECK_HEADERS(sys/ptrace.h)
1071     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1072     AC_TRY_LINK(
1073             [
1074 #if HAVE_SYS_TYPES_H
1075 #include <sys/types.h>
1076 #endif
1077 #if HAVE_SYS_PTRACE_H
1078 #include <sys/ptrace.h>
1079 #endif
1080             ],
1081             [
1082                 pid_t me = (pid_t)-1;
1083                 ptrace(PTRACE_ATTACH, me, 0, 0);
1084                 ptrace(PTRACE_DETACH, me, 0, 0);
1085                 return 0;
1086             ],
1087             [
1088                 AC_MSG_RESULT(yes)
1089                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1090                     [Whether the Linux ptrace(2) interface is available.])
1091             ],
1092             [
1093                 AC_MSG_RESULT(no)
1094                 LIBUNWIND_PTRACE=""
1095             ])
1096 fi
1097
1098 AC_SUBST(LIBUNWIND_PTRACE)
1099
1100 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1101 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1102 AC_CHECK_FUNCS(__getcwd _getcwd)
1103 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1104 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1105 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1106 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1107 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1108 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1109 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek)
1110 AC_CHECK_FUNCS(pread _pread __pread)
1111 AC_CHECK_FUNCS(pwrite _pwrite __pwrite)
1112 AC_CHECK_FUNCS(prctl)
1113
1114 AC_TRY_COMPILE([
1115 #ifdef HAVE_SYS_PRCTL_H
1116 #include <sys/prctl.h>
1117 #endif
1118 ],
1119 [int i; i = prtcl(0); ],
1120 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1121
1122 #
1123 #
1124 #
1125 case "$host_os" in
1126     *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
1127        # glibc <= 2.3.2 has a broken getgrouplist
1128        AC_CACHE_CHECK([for good getgrouplist],samba_cv_linux_getgrouplist_ok,[AC_TRY_RUN([
1129 #include <unistd.h>
1130 #include <sys/utsname.h>
1131 main() {
1132        /* glibc up to 2.3 has a broken getgrouplist */
1133 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1134        int libc_major = __GLIBC__;
1135        int libc_minor = __GLIBC_MINOR__;
1136
1137        if (libc_major < 2)
1138               return(1);
1139        if ((libc_major == 2) && (libc_minor <= 3))
1140               return(1);
1141 #endif
1142        return(0);
1143 }
1144 ], [samba_cv_linux_getgrouplist_ok=yes],
1145    [samba_cv_linux_getgrouplist_ok=no],
1146    [samba_cv_linux_getgrouplist_ok=cross])])
1147        if test x"$samba_cv_linux_getgrouplist_ok" = x"yes"; then
1148           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1149        fi
1150        ;;
1151     *)
1152        AC_CHECK_FUNCS(getgrouplist)
1153        ;;
1154 esac
1155
1156 #################################################
1157 # Check whether struct stat has timestamps with sub-second resolution.
1158 #
1159
1160 samba_cv_stat_hires=no
1161 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec], # Linux, Solaris
1162         [samba_cv_stat_hires=yes])
1163 AC_CHECK_MEMBERS([struct stat.st_mtimensec], # BSD, if defined _POSIX_SOURCE
1164         [samba_cv_stat_hires=yes])
1165 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec], # BSD, if not defined _POSIX_SOURCE
1166         [samba_cv_stat_hires=yes])
1167 AC_CHECK_MEMBERS([struct stat.st_mtime_n], # AIX
1168         [samba_cv_stat_hires=yes])
1169 AC_CHECK_MEMBERS([struct stat.st_umtime], # Tru64
1170         [samba_cv_stat_hires=yes])
1171
1172 if test x"$samba_cv_stat_hires" = x"yes" ; then
1173     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1174             [whether struct stat has sub-second timestamps])
1175 fi
1176
1177 # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1178 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
1179 AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
1180
1181
1182 AC_CACHE_CHECK([whether there is DOS flags support in the stat struct], samba_cv_stat_dos_flags,
1183     [
1184         AC_TRY_COMPILE(
1185             [#include <sys/stat.h>],
1186             [
1187                 int a = UF_DOS_ARCHIVE;
1188                 int h = UF_DOS_HIDDEN;
1189                 int r = UF_DOS_RO;
1190                 int s = UF_DOS_SYSTEM;
1191                 int i = UF_DOS_NOINDEX;
1192                 int f = UF_DOS_FLAGS;
1193             ],
1194             samba_cv_stat_dos_flags=yes, samba_cv_stat_dos_flags=no)
1195     ])
1196
1197 if test x"$samba_cv_stat_dos_flags" = x"yes" ; then
1198     AC_DEFINE(HAVE_STAT_DOS_FLAGS, 1, [whether there is DOS flags support in the stat struct])
1199 fi
1200
1201 AC_CACHE_CHECK([whether we can compile with __attribute__((destructor))],
1202                samba_cv_function_attribute_destructor,
1203                [
1204                  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
1205                         [
1206                                 __attribute__((destructor))
1207                                 static void cleanup(void) { }
1208                         ])],
1209                         samba_cv_function_attribute_destructor=yes)
1210                 ])
1211
1212 if test x"$samba_cv_function_attribute_destructor" = xyes ; then
1213    AC_DEFINE(HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR, 1,
1214              [whether we can compile with __attribute__((destructor))])
1215 fi
1216
1217 #####################################
1218 # needed for SRV lookups
1219 AC_CHECK_LIB(resolv, dn_expand)
1220 AC_CHECK_LIB(resolv, _dn_expand)
1221 AC_CHECK_LIB(resolv, __dn_expand)
1222 AC_CHECK_LIB(inet, dn_expand)
1223
1224 #
1225 # Check for the functions putprpwnam, set_auth_parameters,
1226 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1227 # Needed for OSF1 and HPUX.
1228 #
1229
1230 AC_LIBTESTFUNC(security, putprpwnam)
1231 AC_LIBTESTFUNC(sec, putprpwnam)
1232
1233 AC_LIBTESTFUNC(security, set_auth_parameters)
1234 AC_LIBTESTFUNC(sec, set_auth_parameters)
1235
1236 # UnixWare 7.x has its getspnam in -lgen
1237 AC_LIBTESTFUNC(gen, getspnam)
1238
1239 AC_LIBTESTFUNC(security, getspnam)
1240 AC_LIBTESTFUNC(sec, getspnam)
1241
1242 AC_LIBTESTFUNC(security, bigcrypt)
1243 AC_LIBTESTFUNC(sec, bigcrypt)
1244
1245 AC_LIBTESTFUNC(security, getprpwnam)
1246 AC_LIBTESTFUNC(sec, getprpwnam)
1247
1248 AC_CHECK_FUNCS(strsignal)
1249
1250 AC_DISABLE_STATIC
1251 AC_ENABLE_SHARED
1252
1253 # Set defaults
1254 PIE_CFLAGS=""
1255 PIE_LDFLAGS=""
1256 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1257
1258 if test "x$enable_pie" != xno
1259 then
1260         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1261         [
1262                 cat > conftest.c <<EOF
1263 int foo;
1264 int main () { return 0;}
1265 EOF
1266                 if AC_TRY_COMMAND_NO_STDERR([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c])
1267                 then
1268                         samba_cv_fpie=yes
1269                 else
1270                         samba_cv_fpie=no
1271                 fi
1272                 rm -f conftest*
1273         ])
1274         if test x"${samba_cv_fpie}" = x"yes"
1275         then
1276                 PIE_CFLAGS="-fPIE"
1277                 PIE_LDFLAGS="-pie"
1278         fi
1279 fi
1280
1281 # Set defaults
1282 RELRO_LDFLAGS=""
1283 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1284
1285 if test "x$enable_relro" != xno
1286 then
1287         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1288         [
1289                 cat > conftest.c <<EOF
1290 int foo;
1291 main () { return 0;}
1292 EOF
1293                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1294                 then
1295                         samba_cv_relro=yes
1296                 else
1297                         samba_cv_relro=no
1298                 fi
1299                 rm -f conftest*
1300         ])
1301         if test x"${samba_cv_relro}" = x"yes"
1302         then
1303                 RELRO_LDFLAGS="-Wl,-z,relro"
1304         fi
1305 fi
1306
1307 # Set defaults
1308 SYMSEXT="syms"
1309 AC_SUBST(SYMSEXT)
1310
1311 # Assume non-shared by default and override below
1312 BLDSHARED="false"
1313
1314 # these are the defaults, good for lots of systems
1315 HOST_OS="$host_os"
1316 LDSHFLAGS="-shared"
1317 MODULE_EXPORTS=""
1318 SONAMEFLAG="#"
1319 SHLD="\${CC} \${CFLAGS}"
1320 PICFLAG="${PIE_CFLAGS}"
1321 SHLIBEXT="so"
1322 DSO_EXPORTS=""
1323
1324 # this bit needs to be modified for each OS that supports share libs
1325 # You need to specify how to create a shared library and
1326   # how to compile C code to produce PIC object files
1327
1328   AC_MSG_CHECKING([ability to build shared libraries])
1329
1330   # and these are for particular systems
1331   case "$host_os" in
1332                 *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
1333                         case "$host_os" in
1334                                 *linux*) AC_DEFINE(LINUX,1,[Whether the host os is linux]) ;;
1335                                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx]) ;;
1336                         esac
1337                         BLDSHARED="true"
1338                         LDSHFLAGS="-shared -Wl,-Bsymbolic"
1339                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1340                                 LDSHFLAGS_Z_NODEFS="-Wl,--allow-shlib-undefined"
1341                         fi
1342                         DYNEXP="-Wl,--export-dynamic"
1343                         PICFLAG="-fPIC"
1344                         SONAMEFLAG="-Wl,-soname="
1345                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1346                         ;;
1347                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1348                         BLDSHARED="true"
1349                         if test "${GCC}" = "yes"; then
1350                                 PICFLAG="-fPIC"
1351                                 SONAMEFLAG="-Wl,-soname="
1352                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1353                                         DYNEXP="-Wl,-E"
1354                                 fi
1355                                 LDSHFLAGS="-shared"
1356                         else
1357                                 PICFLAG="-KPIC"
1358                                 LDSHFLAGS="-G"
1359                         fi
1360                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1361                                 SONAMEFLAG="-Wl,-soname="
1362                         else
1363                                 SONAMEFLAG="-Wl,-h,"
1364                         fi
1365                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1366                         ;;
1367                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1368                         BLDSHARED="true"
1369                         LDSHFLAGS="-G"
1370                         SONAMEFLAG="-Wl,-h,"
1371                         PICFLAG="-KPIC"   # Is this correct for SunOS
1372                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1373                         ;;
1374                 *netbsd* | *freebsd* | *dragonfly* )
1375                         BLDSHARED="true"
1376                         LDSHFLAGS="-shared"
1377                         DYNEXP="-Wl,--export-dynamic"
1378                         SONAMEFLAG="-Wl,-soname,"
1379                         PICFLAG="-fPIC -DPIC"
1380                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1381                         ;;
1382                 *openbsd*)  BLDSHARED="true"
1383                         LDSHFLAGS="-shared"
1384                         DYNEXP="-Wl,-Bdynamic"
1385                         SONAMEFLAG="-Wl,-soname,"
1386                         PICFLAG="-fPIC"
1387                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1388                         ;;
1389                 *irix*) BLDSHARED="true"
1390                         LDSHFLAGS="-Wl,-set_version,sgi1.0 -shared"
1391                         SONAMEFLAG="-Wl,-soname,"
1392                         if test "${GCC}" = "yes"; then
1393                                 PICFLAG="-fPIC"
1394                         else
1395                                 PICFLAG="-KPIC"
1396                         fi
1397                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1398                         ;;
1399                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1400                         BLDSHARED="true"
1401                         # use expfull to export underscored symbols
1402                         # add rtl to remove /lib/crt0.o warning
1403                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1404                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1405                         PICFLAG="-O2"
1406                         # as AIX code is always position independent...
1407                         # .po will just create compile warnings, use po.o:
1408                         if test "${GCC}" != "yes"; then
1409                                 ## for funky AIX compiler using strncpy()
1410                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000 -qhalt=e"
1411                         fi
1412
1413                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1414                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1415                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1416                         ;;
1417                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1418                         # ia64: 64bit build using gcc with CFLAGS="-mpl64"
1419                         #       64bit build using HP's cc with CFLAGS="+DD64"
1420                         # hppa: 64bit build unsupported by gcc
1421                         #       64bit build using HP's cc with CFLAGS="+DA2.0w"
1422                         # HP-UX 11.00 ld needs PHSS_33034
1423                         BLDSHARED="true"
1424                         if test "${GCC}" = "yes"; then
1425                                 PICFLAG="-fPIC"
1426                                 LDSHFLAGS="-shared"
1427                         else
1428                                 PICFLAG="+z"
1429                                 LDSHFLAGS="-b"
1430                                 # "Uses depth-first symbol resolution"
1431                                 LDSHFLAGS="$LDSHFLAGS -Wl,-B,symbolic,-b"
1432                                 if test "$host_cpu" != "ia64"; then
1433                                         # "don't store literals in read-only memory" (?):
1434                                         PICFLAG="$PICFLAG +ESnolit"
1435                                 fi
1436                         fi
1437                         if test "$host_cpu" = "ia64"; then
1438                                 SHLIBEXT="so"
1439                                 # TODO: does the linker find the right 32/64 bit version of the libs? :
1440                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32:/usr/local/lib/hpux64:/usr/lib/hpux64"
1441                         else
1442                                 SHLIBEXT="sl"
1443                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1444                         fi
1445                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1446                                 SONAMEFLAG="-Wl,-soname="
1447                         else
1448                                 SONAMEFLAG="-Wl,+h,"
1449                         fi
1450                         # PIE/PIC flags at link time are required on HP-UX because
1451                         # linking requires a temporary source file, which is being
1452                         # compiled with the indicated flags - which need to contain
1453                         # PIC flags when we don't support PIE flags:
1454                         if test "$PIE_LDFLAGS" = "" ; then
1455                                 PIE_LDFLAGS=\${PICFLAG}
1456                         fi
1457                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1458                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1459                         ;;
1460                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1461                         BLDSHARED="true"
1462                         LDSHFLAGS="-shared"
1463                         SONAMEFLAG="-Wl,-soname,"
1464                         if test "${GCC}" = "yes"; then
1465                                 PICFLAG="-fPIC"
1466                         fi
1467                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1468                         for flags in "-expect_unresolved '*'" "-Wl,-expect_unresolved,'*'" ; do
1469                                 saved_ldflags="$LDFLAGS"
1470                                 AC_MSG_CHECKING([if $flags works])
1471                                 LDFLAGS="$flags $saved_ldflags"
1472                                 AC_TRY_LINK([],[],
1473                                         [AC_MSG_RESULT([yes])
1474                                         LDSHFLAGS_Z_NODEFS=$flags],
1475                                         AC_MSG_RESULT([no]))
1476                                 LDFLAGS="$saved_ldflags"
1477                                 test x"$LDSHFLAGS_Z_NODEFS" != x && break
1478                         done
1479                         ;;
1480                 *sco*) AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1481                         ;;
1482                 *unixware*) BLDSHARED="true"
1483                         LDSHFLAGS="-shared"
1484                         SONAMEFLAG="-Wl,-soname,"
1485                         PICFLAG="-KPIC"
1486                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1487                         ;;
1488                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1489                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1490                         ;;
1491                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1492                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1493                         ;;
1494                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1495                         case "$host" in
1496                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1497                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1498                                         fi
1499                                         LDSHFLAGS="-G"
1500                                         DYNEXP="-Bexport"
1501                                 ;;
1502                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1503                         esac
1504                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1505                         ;;
1506
1507                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1508                         if [ test "$GCC" != yes ]; then
1509                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1510                         fi
1511                         LDSHFLAGS="-G"
1512                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1513                         ;;
1514                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1515                         BLDSHARED="false"
1516                         LDSHFLAGS=""
1517                         ;;
1518
1519                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1520                         BLDSHARED="true"
1521                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1522                         CFLAGS="$CFLAGS -fno-common"
1523                         SHLD="\${CC}"
1524                         SHLIBEXT="dylib"
1525                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1526                         SHLIBEXT="dylib"
1527                         # Since gcc doesn't fail on unrecognised options, the
1528                         # PIE test incorrectly succeeds. Darwin gcc does not
1529                         # actually support the PIE stuff.
1530                         PIE_LDFLAGS=
1531                         PIE_CFLAGS=
1532                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1533                         ;;
1534
1535                 *)
1536                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1537                         ;;
1538   esac
1539
1540 if test "$enable_shared" != "yes"; then
1541         BLDSHARED=false
1542 fi
1543
1544 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1545         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1546 fi
1547
1548 if test x"$BLDSHARED" = x"true" ; then
1549         LDFLAGS="$LDFLAGS -L./bin"
1550 fi
1551
1552 AC_MSG_RESULT($BLDSHARED)
1553
1554 if test x"$enable_developer" = x"yes" ; then
1555         default_as_needed=auto
1556 else
1557         default_as_needed=no
1558 fi
1559 AC_ARG_ENABLE(as-needed,
1560         AS_HELP_STRING([--enable-as-needed],
1561         [Turn on as-needed support if available (default=no)]),
1562         [enable_as_needed=$enableval],
1563         [enable_as_needed=$default_as_needed])
1564 if test "x$enable_as_needed" != xno; then
1565     saved_before_as_needed_ldflags="$LDFLAGS"
1566     for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do
1567         saved_ldflags="$LDFLAGS"
1568         AC_MSG_CHECKING([if $flags works])
1569         LDFLAGS="$flags $saved_ldflags"
1570         AC_TRY_LINK([],[],
1571                 [AC_MSG_RESULT([yes])
1572                 LD_AS_NEEDED_FLAG=$flags
1573                 ld_as_needed_flag_found=yes],
1574                 AC_MSG_RESULT([no]))
1575         LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags"
1576         test x"$ld_as_needed_flag_found" = xyes && break
1577     done
1578 fi
1579
1580 if test x$ld_as_needed_flag_found = xyes -a x$enable_as_needed = xauto ; then
1581 # check if ld has bug described in https://bugzilla.samba.org/show_bug.cgi?id=7209#c17
1582         AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG has explicit external libs bug])
1583 cat > conftest_shb.c <<END
1584 void b() {}
1585 END
1586 cat > conftest_sha.c <<END
1587 extern void b();
1588 void a() {
1589         b();
1590 }
1591 END
1592 cat > conftest.c <<END
1593 extern void a();
1594 int main() {
1595         a();
1596         return 0;
1597 }
1598 END
1599
1600         rm -fr conftest
1601         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_sha.o conftest_sha.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1602         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_shb.o conftest_shb.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1603         TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1604         AC_TRY_COMMAND([$TESTCMD -o libconftest_shb.$SHLIBEXT conftest_shb.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1605         AC_TRY_COMMAND([$TESTCMD -o libconftest_sha.$SHLIBEXT conftest_sha.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1606         AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
1607         if AC_TRY_COMMAND([eval "$LIB_PATH_VAR=. ./conftest 1>&AS_MESSAGE_LOG_FD 2>&1"])
1608         then
1609                 AC_MSG_RESULT([no])
1610         else
1611                 ld_as_needed_flag_found=no
1612                 LDFLAGS="$saved_before_as_needed_ldflags"
1613                 AC_MSG_RESULT([yes])
1614         fi
1615         rm conftest* libconftest*
1616 fi
1617
1618 # check if we have to disable LD_AS_NEEDED_FLAG:
1619 # On some systems for a veriety of reasons linking with
1620 # -Wl,--as-needed -lreadline -lncurses fails
1621 # we have to retest, if these combination is detected before.
1622 # Bugzilla #7209
1623
1624 if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then
1625         if test x$ld_as_needed_flag_found = xyes ; then
1626                 AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline])
1627                 # try if check no fails
1628                 save_LIBS=$LIBS
1629                 LIBS="$LIBS $TERMLIBS"
1630                 AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"])
1631                 LIBS="$save_LIBS"
1632         fi
1633 fi
1634
1635
1636
1637 # for historical reasons almost all linkers don't complain about unresolved
1638 # symbols in shared libs. Except for the internal samba modules we want to get
1639 # errors when we produce a shared lib with unresolved symbols. On some
1640 # platforms unresolved symbols might be intended, so we might have to add
1641 # platform specific exceptions here.
1642
1643 for flags in "-Wl,-z,defs" "-error_unresolved" "-Wl,-error_unresolved" ; do
1644         saved_ldflags="$LDFLAGS"
1645         AC_MSG_CHECKING([if $flags works])
1646         LDFLAGS="$flags $saved_ldflags"
1647         AC_TRY_LINK([],[],
1648         [AC_MSG_RESULT([yes])
1649         LDSHFLAGS_Z_DEFS=$flags
1650         ldshflags_z_defs_found=yes],
1651         AC_MSG_RESULT([no]))
1652         LDFLAGS=$saved_ldflags
1653         test x"$ldshflags_z_defs_found" = xyes && break
1654 done
1655
1656 AC_MSG_CHECKING([LDSHFLAGS_Z_DEFS])
1657 AC_MSG_RESULT([$LDSHFLAGS_Z_DEFS])
1658 AC_MSG_CHECKING([LDFLAGS])
1659 AC_MSG_RESULT([$LDFLAGS])
1660 AC_MSG_CHECKING([DYNEXP])
1661 AC_MSG_RESULT([$DYNEXP])
1662
1663 #######################################################
1664 # test whether building a shared library actually works
1665 if test $BLDSHARED = true; then
1666
1667 AC_MSG_CHECKING([SHLD])
1668 AC_MSG_RESULT([$SHLD])
1669 AC_MSG_CHECKING([LDSHFLAGS])
1670 AC_MSG_RESULT([$LDSHFLAGS])
1671
1672 AC_MSG_CHECKING([SHLIBEXT])
1673 AC_MSG_RESULT([$SHLIBEXT])
1674 AC_MSG_CHECKING([SONAMEFLAG])
1675 AC_MSG_RESULT([$SONAMEFLAG])
1676
1677 AC_MSG_CHECKING([PICFLAG])
1678 AC_MSG_RESULT([$PICFLAG])
1679
1680 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1681 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1682
1683 AC_CACHE_CHECK([whether building shared libraries actually works],
1684                [ac_cv_shlib_works],[
1685    # try building a trivial shared library
1686    ac_cv_shlib_works=no
1687    # The $SHLD and $LDSHFLAGS variables may contain references to other
1688    # variables so they need to be eval'ed.
1689    if AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.o ${srcdir-.}/../tests/shlib.c 1>&AS_MESSAGE_LOG_FD])
1690    then
1691      TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1692      TESTCMD="$TESTCMD -o \"shlib.$SHLIBEXT\" shlib.o"
1693      if AC_TRY_COMMAND([eval $TESTCMD 1>&AS_MESSAGE_LOG_FD 2>&1])
1694      then
1695        ac_cv_shlib_works=yes
1696      fi
1697    fi
1698    rm -f "shlib.$SHLIBEXT" shlib.o
1699
1700 ])
1701 if test $ac_cv_shlib_works = no; then
1702    BLDSHARED=false
1703 fi
1704 fi
1705
1706 if test x"$BLDSHARED" != x"true"; then
1707         LDSHFLAGS="shared-libraries-disabled"
1708         SONAMEFLAG="shared-libraries-disabled"
1709         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1710         SHLD="shared-libraries-disabled"
1711         PICFLAG="${PIE_CFLAGS}"
1712         SHLIBEXT="shared_libraries_disabled"
1713         smbtorture4_possible=no
1714 fi
1715
1716 AC_MSG_CHECKING([used PICFLAG])
1717 AC_MSG_RESULT([$PICFLAG])
1718
1719 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
1720
1721
1722
1723 ###########################################################
1724 #
1725 # Configuration of subsystems / libraries
1726 #
1727 ###########################################################
1728
1729 INSTALLLIBCMD_SH=:
1730 INSTALLLIBCMD_A=:
1731 UNINSTALLLIBCMD_SH=:
1732 UNINSTALLLIBCMD_A=:
1733
1734 if test $BLDSHARED = true; then
1735         INSTALLLIBCMD_SH="\$(INSTALLCMD)"
1736         UNINSTALLLIBCMD_SH="rm -f"
1737 fi
1738 if test $enable_static = yes; then
1739         INSTALLLIBCMD_A="\$(INSTALLCMD)"
1740         UNINSTALLLIBCMD_A="rm -f"
1741 fi
1742
1743 #################################################
1744 # --disable-shared-libs
1745 # can be used to disable the internal use of shared libs altogether
1746 # (this only has an effect when building shared libs is enabled)
1747 #
1748 USESHARED=false
1749 AC_SUBST(USESHARED)
1750
1751 AC_MSG_CHECKING(whether to use shared libraries internally)
1752 AC_ARG_ENABLE([shared-libs],
1753         AS_HELP_STRING([--enable-shared-libs],
1754                 [Use shared libraries internally (default=yes)]),
1755         [enable_shared_libs=$enableval],
1756         [enable_shared_libs=yes])
1757
1758 if test x"$enable_shared_libs" != x"no" ; then
1759         USESHARED=$BLDSHARED
1760 fi
1761
1762 AC_MSG_RESULT([$USESHARED])
1763
1764 if test x"$enable_shared_libs" = x"yes" -a x"$BLDSHARED" != x"true" ; then
1765         AC_MSG_WARN([--enable-shared-libs: no support for shared libraries])
1766 fi
1767
1768 #################################################
1769 # --with-static-libs=LIBS:
1770 #   link (internal) libs dynamically or statically?
1771 #
1772 # If a subsystem is built as a library then this controls whether they are
1773 # linked into Samba targets statically or dynamically:
1774 #
1775 # * If we build the shared library at all, we link dynamically by default.
1776 #
1777 # * We only link statically if we don't build shared or if the library
1778 #   appears in the --with-static-libs configure option.
1779 #
1780 # Example:
1781 #   --with-static-libs=libtalloc makes use of libtalloc.a instead
1782 #   of linking the dynamic variant with -ltalloc.
1783 #
1784 # NOTE: This option only affects libraries that we do not only build
1785 # but that samba also links against as libraries (as opposed to linking
1786 # the plain object files. - This has to be configured in Makefile.in.
1787 # So in particular it does not harm to give invalid or unknown names here.
1788 #
1789
1790 AC_ARG_WITH([static-libs],
1791         [AS_HELP_STRING([--with-static-libs=LIBS],
1792                 [Comma-separated list of names of (internal) libraries to link statically (instead of dynamically)])],
1793         [AS_IF([test $withval],
1794                 [for lib in `echo $withval | sed -e 's/,/ /g'` ; do
1795                         [lib=`echo $lib | tr '[a-z]' '[A-Z]'`]
1796                         eval LINK_$lib=STATIC
1797                 done], [])],
1798         [])
1799
1800 #
1801 # WORKAROUND:
1802 #   until we have organized other internal subsystems (as util, registry
1803 #   and smbconf) into shared libraries, we CAN NOT link libnetapi
1804 #   dynamically to samba programs.
1805 #
1806 LINK_LIBNETAPI=STATIC
1807
1808 LINK_LIBSMBCLIENT=STATIC
1809
1810 #
1811 #  The library versions are hardcoded here
1812 #  and filled into the LIBFOO_SOVER variable.
1813 #
1814 #  TODO: for talloc and tdb (at least), these should
1815 #  be extracted from their respective source directories
1816 #
1817 AC_ARG_ENABLE(external_libtalloc,
1818         [AS_HELP_STRING([--enable-external-libtalloc],
1819                 [Enable external talloc [default=auto]])],
1820         [ enable_external_libtalloc=$enableval ],
1821         [ enable_external_libtalloc=auto ])
1822
1823 if test "x$enable_external_libtalloc" != xno
1824 then
1825         PKG_CHECK_MODULES(LIBTALLOC, talloc >= 2.0.1,
1826                 [ enable_external_libtalloc=yes ],
1827                 [ if test x$enable_external_libtalloc = xyes; then
1828                         AC_MSG_ERROR([Unable to find libtalloc])
1829                   else
1830                         enable_external_libtalloc=no
1831                   fi
1832                 ])
1833 fi
1834
1835 if test "x$enable_external_libtalloc" = xno
1836 then
1837         m4_include(../lib/talloc/libtalloc.m4)
1838         LINK_LIBTALLOC=STATIC
1839         LIBTALLOCVERSION=`grep ^VERSION ${tallocdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1840         SMB_LIBRARY(talloc, 2, ${LIBTALLOCVERSION})
1841         LIBTALLOC_OBJ0=""
1842         for obj in ${TALLOC_OBJ}; do
1843                 LIBTALLOC_OBJ0="${LIBTALLOC_OBJ0} ${tallocdir}/${obj}"
1844         done
1845         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
1846         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TALLOC_CFLAGS}"
1847         AC_SUBST(LIBTALLOC_OBJ0)
1848
1849         TALLOCTORT="bin/talloctort"
1850         AC_SUBST(TALLOCTORT)
1851 fi
1852
1853
1854 AC_ARG_ENABLE(external_libtdb,
1855         [AS_HELP_STRING([--enable-external-libtdb],
1856                 [Enable external tdb [default=auto]])],
1857                 [ enable_external_libtdb=$enableval ],
1858                 [ enable_external_libtdb=auto ])
1859
1860 if test "x$enable_external_libtdb" != xno
1861 then
1862         PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.6,
1863                 [ enable_external_libtdb=yes ],
1864                 [
1865                 if test x$enable_external_libtdb = xyes; then
1866                         AC_MSG_ERROR([Unable to find libtdb])
1867                 else
1868                         enable_external_libtdb=no
1869                 fi
1870                 ])
1871 fi
1872
1873 AC_SUBST(LIBTDB_OBJ0)
1874 if test "x$enable_external_libtdb" = xno
1875 then
1876         m4_include(../lib/tdb/libtdb.m4)
1877         LINK_LIBTDB=STATIC
1878         LIBTDBVERSION=`grep ^VERSION ${tdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1879         SMB_LIBRARY(tdb, 1, ${LIBTDBVERSION})
1880         LIBTDB_OBJ0=""
1881         LIBTDB_LIBS="$LIBTDB_LIBS $TDB_DEPS"
1882         for obj in ${TDB_OBJ}; do
1883                 LIBTDB_OBJ0="${LIBTDB_OBJ0} ${tdbdir}/${obj}"
1884         done
1885         AC_SUBST(LIBTDB_OBJ0)
1886         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
1887         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TDB_CFLAGS}"
1888
1889         TDBBACKUP="bin/tdbbackup"
1890         AC_SUBST(TDBBACKUP)
1891         TDBDUMP="bin/tdbdump"
1892         AC_SUBST(TDBDUMP)
1893         TDBRESTORE="bin/tdbrestore"
1894         AC_SUBST(TDBRESTORE)
1895         TDBTOOL="bin/tdbtool"
1896         AC_SUBST(TDBTOOL)
1897         TDBTORTURE="bin/tdbtorture"
1898         AC_SUBST(TDBTORTURE)
1899 fi
1900
1901 AC_ARG_ENABLE(external_libntdb,
1902         [AS_HELP_STRING([--enable-external-libntdb],
1903                 [Enable external ntdb [default=auto]])],
1904                 [ enable_external_libntdb=$enableval ],
1905                 [ enable_external_libntdb=auto ])
1906
1907 if test "x$enable_external_libntdb" != xno
1908 then
1909         PKG_CHECK_MODULES(LIBNTDB, ntdb >= 1.0,
1910                 [ enable_external_libntdb=yes ],
1911                 [
1912                 if test x$enable_external_libntdb = xyes; then
1913                         AC_MSG_ERROR([Unable to find libntdb])
1914                 else
1915                         enable_external_libntdb=no
1916                 fi
1917                 ])
1918 fi
1919
1920 AC_SUBST(LIBNTDB_OBJ0)
1921 if test "x$enable_external_libntdb" = xno
1922 then
1923         m4_include(../lib/ntdb/libntdb.m4)
1924         LINK_LIBNTDB=STATIC
1925         LIBNTDBVERSION=`grep ^VERSION ${ntdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1926         SMB_LIBRARY(ntdb, 1, ${LIBNTDBVERSION})
1927         LIBNTDB_OBJ0=""
1928         LIBNTDB_LIBS="$LIBNTDB_LIBS $NTDB_DEPS"
1929         for obj in ${NTDB_OBJ}; do
1930                 LIBNTDB_OBJ0="${LIBNTDB_OBJ0} ${ntdbdir}/${obj}"
1931         done
1932         AC_SUBST(LIBNTDB_OBJ0)
1933         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${NTDB_CFLAGS}"
1934         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${NTDB_CFLAGS}"
1935
1936         NTDBBACKUP="bin/ntdbbackup"
1937         AC_SUBST(NTDBBACKUP)
1938         NTDBDUMP="bin/ntdbdump"
1939         AC_SUBST(NTDBDUMP)
1940         NTDBRESTORE="bin/ntdbrestore"
1941         AC_SUBST(NTDBRESTORE)
1942         NTDBTOOL="bin/ntdbtool"
1943         AC_SUBST(NTDBTOOL)
1944         NTDBTORTURE="bin/ntdbtorture"
1945         AC_SUBST(NTDBTORTURE)
1946 fi
1947
1948 SMB_LIBRARY(netapi, 0)
1949 SMB_LIBRARY(smbclient, 0)
1950 SMB_LIBRARY(smbsharemodes, 0)
1951
1952
1953 ################
1954
1955 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
1956 AC_TRY_RUN([#include <stdio.h>
1957 main() { long long x = 1000000; x *= x; return(((x/1000000) == 1000000)? 0: 1); }],
1958 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
1959 if test x"$samba_cv_have_longlong" = x"yes"; then
1960     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
1961     AC_CHECK_TYPE(intptr_t, unsigned long long)
1962 else
1963     AC_CHECK_TYPE(intptr_t, unsigned long)
1964 fi
1965
1966 #
1967 # Check if the compiler supports the LL prefix on long long integers.
1968 # AIX needs this.
1969
1970 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
1971     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
1972         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
1973 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
1974    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
1975 fi
1976
1977
1978 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
1979 AC_TRY_RUN([#include <time.h>
1980 main() { return((sizeof(time_t) == 8) ? 0 : 1); }],
1981 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
1982 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
1983     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
1984 fi
1985
1986 AC_CACHE_CHECK([for TIME_T_MAX],samba_cv_TIME_T_MAX,[
1987 AC_TRY_RUN([#include <time.h>
1988 main() {
1989         struct tm *tm;
1990         if (sizeof(time_t) == 8) {
1991                 time_t max_time = 0x7fffffffffffffffll;
1992                 tm = gmtime(&max_time);
1993                 /* This should fail with 32-bit tm_year. */
1994                 if (tm == NULL) {
1995                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1996                         max_time = 67768036191676799ll;
1997                         tm = gmtime(&max_time);
1998                         if (tm) {
1999                                 return(0);
2000                         }
2001                 }
2002         }
2003         return(1);
2004 }],
2005 samba_cv_TIME_T_MAX=yes,samba_cv_TIME_T_MAX=no,samba_cv_TIME_T_MAX=cross)])
2006 if test x"$samba_cv_TIME_T_MAX" = x"yes"; then
2007     AC_DEFINE(TIME_T_MAX,67768036191676799ll,[The maximum value of the 'time_t' type])
2008 fi
2009
2010
2011 #
2012 # As a gating factor for large file support, in order to
2013 # use >4GB files we must have the following minimal support
2014 # available: a 64 bit off_t
2015 # If we don't have all of these then fail the build
2016 #
2017
2018 AC_MSG_CHECKING([if large file support can be enabled])
2019 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
2020 AC_TRY_RUN([#include <stdio.h>
2021 #include <sys/stat.h>
2022 main() { return((sizeof(off_t) == 8) ? 0 : 1); }],
2023 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
2024 if test x"$samba_cv_SIZEOF_OFF_T" = x"no"; then
2025     AC_MSG_ERROR(["large file support support not available: sizeof(off_t) != 8"])
2026 fi
2027
2028 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
2029 AC_TRY_RUN([
2030 #if defined(HAVE_UNISTD_H)
2031 #include <unistd.h>
2032 #endif
2033 #include <stdio.h>
2034 #include <sys/stat.h>
2035 main() { return((sizeof(ino_t) == 8) ? 0 : 1); }],
2036 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
2037 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
2038     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
2039 fi
2040
2041 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
2042 AC_TRY_RUN([
2043 #if defined(HAVE_UNISTD_H)
2044 #include <unistd.h>
2045 #endif
2046 #include <stdio.h>
2047 #include <sys/stat.h>
2048 main() { return((sizeof(dev_t) == 8) ? 0 : 1); }],
2049 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
2050 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
2051     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
2052 fi
2053
2054 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
2055 AC_TRY_RUN([
2056 #if defined(HAVE_UNISTD_H)
2057 #include <unistd.h>
2058 #endif
2059 #include <sys/types.h>
2060 main() { dev_t dev; int i = major(dev); return 0; }],
2061 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
2062 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
2063     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
2064 fi
2065
2066 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
2067 AC_TRY_RUN([
2068 #if defined(HAVE_UNISTD_H)
2069 #include <unistd.h>
2070 #endif
2071 #include <sys/types.h>
2072 main() { dev_t dev; int i = minor(dev); return 0; }],
2073 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
2074 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
2075     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
2076 fi
2077
2078 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
2079 AC_TRY_RUN([
2080 #if defined(HAVE_UNISTD_H)
2081 #include <unistd.h>
2082 #endif
2083 #include <sys/types.h>
2084 main() { dev_t dev = makedev(1,2); return 0; }],
2085 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
2086 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
2087     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
2088 fi
2089
2090 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
2091 AC_TRY_COMPILE([#include <sys/types.h>
2092 #include <dirent.h>
2093 void seekdir(DIR *d, long loc) { return; }],[return 0;],
2094 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
2095 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
2096     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
2097 fi
2098
2099 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
2100 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
2101 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
2102 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
2103     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
2104 fi
2105
2106 if test x"$libreplace_cv_HAVE_CLOCK_GETTIME_IN_LIBRT" = xyes ; then
2107         LIBS="$LIBS -lrt"
2108 fi
2109
2110 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2111 AC_TRY_RUN([#include <sys/types.h>
2112 #include <dirent.h>
2113 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2114 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2115 di->d_name[0] == 0) return(0); return(1);} ],
2116 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2117 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2118     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2119 fi
2120
2121 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2122 AC_TRY_COMPILE([#include <sys/types.h>
2123 #include <utime.h>],
2124 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; return(utime("foo.c",&tbuf));],
2125 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2126 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2127     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2128 fi
2129
2130 ##############
2131 # Check utmp details, but only if our OS offers utmp.h
2132 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2133 dnl  utmp and utmpx come in many flavours
2134 dnl  We need to check for many of them
2135 dnl  But we don't need to do each and every one, because our code uses
2136 dnl  mostly just the utmp (not utmpx) fields.
2137
2138 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx getutxent)
2139
2140 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2141 AC_TRY_COMPILE([#include <sys/types.h>
2142 #include <utmp.h>],
2143 [struct utmp ut;  ut.ut_name[0] = 'a';],
2144 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2145 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2146     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2147 fi
2148
2149 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2150 AC_TRY_COMPILE([#include <sys/types.h>
2151 #include <utmp.h>],
2152 [struct utmp ut;  ut.ut_user[0] = 'a';],
2153 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2154 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2155     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2156 fi
2157
2158 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2159 AC_TRY_COMPILE([#include <sys/types.h>
2160 #include <utmp.h>],
2161 [struct utmp ut;  ut.ut_id[0] = 'a';],
2162 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2163 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2164     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2165 fi
2166
2167 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2168 AC_TRY_COMPILE([#include <sys/types.h>
2169 #include <utmp.h>],
2170 [struct utmp ut;  ut.ut_host[0] = 'a';],
2171 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2172 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2173     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2174 fi
2175
2176 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2177 AC_TRY_COMPILE([#include <sys/types.h>
2178 #include <utmp.h>],
2179 [struct utmp ut;  time_t t; ut.ut_time = t;],
2180 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2181 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2182     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2183 fi
2184
2185 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2186 AC_TRY_COMPILE([#include <sys/types.h>
2187 #include <utmp.h>],
2188 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2189 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2190 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2191     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2192 fi
2193
2194 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2195 AC_TRY_COMPILE([#include <sys/types.h>
2196 #include <utmp.h>],
2197 [struct utmp ut;  ut.ut_type = 0;],
2198 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2199 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2200     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2201 fi
2202
2203 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2204 AC_TRY_COMPILE([#include <sys/types.h>
2205 #include <utmp.h>],
2206 [struct utmp ut;  ut.ut_pid = 0;],
2207 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2208 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2209     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2210 fi
2211
2212 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2213 AC_TRY_COMPILE([#include <sys/types.h>
2214 #include <utmp.h>],
2215 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2216 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2217 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2218     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2219 fi
2220
2221 if test x$ac_cv_func_pututline = xyes ; then
2222   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2223   AC_TRY_COMPILE([#include <sys/types.h>
2224 #include <utmp.h>],
2225   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2226   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2227   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2228       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2229   fi
2230 fi
2231
2232 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2233 AC_TRY_COMPILE([#include <sys/types.h>
2234 #include <utmpx.h>],
2235 [struct utmpx ux;  ux.ut_syslen = 0;],
2236 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2237 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2238     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2239 fi
2240
2241 AC_CACHE_CHECK([whether sizeof ut_line in utmp is ok],samba_cv_HAVE_UX_UT_LINE,[
2242 AC_TRY_RUN([#include <stdio.h>
2243 #include <sys/types.h>
2244 #include <utmp.h>
2245 int main(void) {
2246  if (sizeof(((struct utmp *)NULL)->ut_line) < 15) {
2247      return 1;
2248  }
2249  return 0;
2250 }
2251 ],
2252 samba_cv_HAVE_UX_UT_LINE=yes,samba_cv_HAVE_UX_UT_LINE=no,samba_cv_HAVE_UX_UT_LINE=cross)])
2253
2254 fi
2255 # end utmp details
2256
2257 AC_CACHE_CHECK([for linux fallocate],samba_cv_HAVE_LINUX_FALLOCATE,[
2258 AC_TRY_COMPILE([
2259 #if defined(HAVE_UNISTD_H)
2260 #include <unistd.h>
2261 #endif
2262 #include <sys/types.h>
2263 #define _GNU_SOURCE
2264 #include <fcntl.h>
2265 #if defined(HAVE_LINUX_FALLOC_H)
2266 #include <linux/falloc.h>
2267 #endif],
2268 [int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2269 samba_cv_HAVE_LINUX_FALLOCATE=yes,samba_cv_HAVE_LINUX_FALLOCATE=no)])
2270 if test x"$samba_cv_HAVE_LINUX_FALLOCATE" = x"yes" && test x"$ac_cv_func_fallocate" = x"yes"; then
2271     AC_DEFINE(HAVE_LINUX_FALLOCATE,1,[Whether the Linux 'fallocate' function is available])
2272 fi
2273
2274 AC_CACHE_CHECK([for getcwd takes NULL],samba_cv_GETCWD_TAKES_NULL,[
2275 AC_TRY_RUN([
2276 #if defined(HAVE_UNISTD_H)
2277 #include <unistd.h>
2278 #endif
2279 main() { char *s = getcwd(NULL,0); if (s) return(0); return(1); }],
2280 samba_cv_GETCWD_TAKES_NULL=yes,samba_cv_GETCWD_TAKES_NULL=no,samba_cv_GETCWD_TAKES_NULL=cross)])
2281 if test x"$samba_cv_GETCWD_TAKES_NULL" = x"yes"; then
2282     AC_DEFINE(GETCWD_TAKES_NULL,1,[Whether the getcwd function takes NULL as an argument])
2283 fi
2284
2285 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2286 AC_ARG_WITH(libiconv,
2287 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2288 [
2289   if test "$withval" = "no" ; then
2290     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2291   else
2292      if test "$withval" != "yes" ; then
2293         ICONV_PATH_SPEC=yes
2294         ICONV_LOOK_DIRS="$withval"
2295      fi
2296   fi
2297 ])
2298
2299 for i in $ICONV_LOOK_DIRS ; do
2300
2301     save_LIBS="$LIBS"
2302     save_LDFLAGS="$LDFLAGS"
2303     save_CPPFLAGS="$CPPFLAGS"
2304
2305     iconv_current_LIBS=""
2306     iconv_current_LDFLAGS=""
2307     iconv_current_CPPFLAGS=""
2308
2309     ICONV_FOUND="no"
2310     unset libext
2311
2312     #  This is here to handle -withval stuff for --with-libiconv
2313     #  Perhaps we should always add a -L
2314     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2315
2316     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2317     # installation paths. This gets a little tricky since we might have iconv
2318     # in both libiconv and in libc. In this case the jm_ICONV test will always
2319     # succeed when the header is found. To counter this, make sure the
2320     # library directory is there and check the ABI directory first (which
2321     # should be harmless on other systems, but causes tons of linker warnings on
2322     # 64bit Ubuntu systems).
2323     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2324     # installed, I've decided to fix the linker warnings.
2325     # -- Kai
2326     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2327     for l in "lib" "lib32" "lib/hpux32"; do
2328         if test -d "$i/$l" ; then
2329                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2330                 LIBS=
2331                 export LDFLAGS LIBS CPPFLAGS
2332                 # Try to find iconv(3)
2333                 jm_ICONV($i/$l)
2334                 if test x"$ICONV_FOUND" = "xyes" ; then
2335                     libext="$l"
2336                     break
2337                 fi
2338         fi
2339     done
2340
2341     if test x"$ICONV_FOUND" = "xyes" ; then
2342         iconv_current_LDFLAGS="-L$i/$libext"
2343         iconv_current_CPPFLAGS="-I$i/include"
2344
2345         if test x"$jm_cv_lib_iconv" != x; then
2346             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2347         else
2348             # We found iconv in libc.
2349             iconv_current_LIBS=""
2350         fi
2351
2352     fi
2353
2354     if test x"$ICONV_FOUND" = "xyes" ; then
2355
2356         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2357         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2358         LIBS="$save_LIBS $iconv_current_LIBS"
2359         export LDFLAGS LIBS CPPFLAGS
2360
2361         default_dos_charset=no
2362         default_unix_charset=no
2363
2364         # check for default dos charset name
2365         for j in CP850 IBM850 ; do
2366             rjs_CHARSET($j)
2367             default_dos_charset="$ICONV_CHARSET"
2368             if test x"$default_dos_charset" = x"$j"; then
2369                 break
2370             fi
2371         done
2372
2373         # check for default unix charset name
2374         for j in UTF-8 UTF8 ; do
2375             rjs_CHARSET($j)
2376             default_unix_charset="$ICONV_CHARSET"
2377             if test x"$default_unix_charset" = x"$j"; then
2378                 break
2379             fi
2380         done
2381
2382         if test "$default_dos_charset" != "no" -a \
2383                 "$default_dos_charset" != "cross" -a \
2384                 "$default_unix_charset" != "no" -a \
2385                 "$default_unix_charset" != "cross"
2386         then
2387                 samba_cv_HAVE_NATIVE_ICONV=yes
2388         else
2389             if test "$default_dos_charset" = "cross" -o \
2390                      "$default_unix_charset" = "cross"
2391             then
2392                     samba_cv_HAVE_NATIVE_ICONV=cross
2393             else
2394                     samba_cv_HAVE_NATIVE_ICONV=no
2395             fi
2396         fi
2397
2398         # At this point, we have a libiconv candidate. We know that
2399         # we have the right headers and libraries, but we don't know
2400         # whether it does the conversions we want. We can't test this
2401         # because we are cross-compiling. This is not necessarily a big
2402         # deal, since we can't guarantee that the results we get now will
2403         # match the results we get at runtime anyway.
2404         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2405             default_dos_charset="CP850"
2406             default_unix_charset="UTF-8"
2407             samba_cv_HAVE_NATIVE_ICONV=yes
2408             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2409             AC_MSG_WARN([$default_dos_charset and $default_unix_charset to UCS-16LE])
2410         fi
2411
2412         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2413
2414             CPPFLAGS=$save_CPPFLAGS
2415             LDFLAGS=$save_LDFLAGS
2416             LIBS=$save_LIBS
2417
2418             if test x"$iconv_current_LIBS" != x; then
2419                 LIBS="$LIBS $iconv_current_LIBS"
2420             fi
2421
2422             # Add the flags we need to CPPFLAGS and LDFLAGS
2423             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2424             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2425
2426             # Turn the #defines into string literals
2427             default_dos_charset="\"$default_dos_charset\""
2428             default_unix_charset="\"$default_unix_charset\""
2429
2430             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2431             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2432             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2433
2434            break
2435         fi
2436
2437     # We didn't find a working iconv, so keep going
2438     fi
2439
2440     #  We only need to clean these up here for the next pass through the loop
2441     CPPFLAGS=$save_CPPFLAGS
2442     LDFLAGS=$save_LDFLAGS
2443     LIBS=$save_LIBS
2444     export LDFLAGS LIBS CPPFLAGS
2445 done
2446 unset libext
2447
2448
2449 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2450     AC_MSG_WARN([Sufficient support for iconv function was not found.
2451     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2452    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2453    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2454 fi
2455
2456
2457 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2458 AC_TRY_RUN([
2459 #include <sys/types.h>
2460 #include <fcntl.h>
2461 #ifndef F_GETLEASE
2462 #define F_GETLEASE      1025
2463 #endif
2464 main() {
2465        int fd = open("/dev/null", O_RDONLY);
2466        return fcntl(fd, F_GETLEASE, 0) == -1;
2467 }
2468 ],
2469 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2470 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2471     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2472 fi
2473
2474 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2475 AC_TRY_RUN([
2476 #include <sys/types.h>
2477 #include <fcntl.h>
2478 #include <signal.h>
2479 #ifndef F_NOTIFY
2480 #define F_NOTIFY 1026
2481 #endif
2482 main() {
2483         return(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2484 }
2485 ],
2486 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2487 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2488     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2489 fi
2490
2491 AC_CHECK_HEADER(sys/inotify.h)
2492
2493 if test x"ac_cv_header_sys_inotify_h" = x"yes"; then
2494     AC_DEFINE(HAVE_INOTIFY,1,[For inotify support])
2495 fi
2496
2497 #################################################
2498 # Check if FAM notifications are available. For FAM info, see
2499 #       http://oss.sgi.com/projects/fam/
2500 #       http://savannah.nongnu.org/projects/fam/
2501 AC_ARG_ENABLE(fam,
2502 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2503
2504 if test x$enable_fam != xno; then
2505     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2506     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2507         # On IRIX, libfam requires libC, but other FAM implementations
2508         # might not need it.
2509         AC_CHECK_LIB(fam, FAMOpen2,
2510             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam";
2511             AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2512             [samba_cv_HAVE_LIBFAM=no])
2513
2514         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2515             samba_fam_xtra=-lC
2516             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2517                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC";
2518                 AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2519                 [samba_cv_HAVE_LIBFAM=no])
2520             unset samba_fam_xtra
2521         fi
2522     fi
2523     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2524         default_shared_modules="$default_shared_modules vfs_notify_fam"
2525         AC_TRY_COMPILE([#include <fam.h>],
2526                     [enum FAMCodes code = FAMChanged;],
2527                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2528                         [Whether fam.h contains a typedef for enum FAMCodes]),
2529                     [])
2530     fi
2531
2532     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2533         AC_CHECK_LIB(fam, FAMNoExists,
2534             [AC_DEFINE(HAVE_FAMNOEXISTS, 1, Define to 1 if there is support for FAMNoExists)])
2535     fi
2536
2537     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2538         AC_MSG_ERROR(FAM support requested but FAM library not available )
2539     fi
2540 fi
2541
2542 AC_SUBST(SMB_FAM_LIBS)
2543
2544 #################################################
2545 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2546
2547
2548 with_dmapi_support=auto
2549 AC_MSG_CHECKING(whether to use DMAPI support)
2550 AC_ARG_WITH(dmapi,
2551 [AS_HELP_STRING([--with-dmapi], [Include DMAPI/XDSM support (default=auto)])],
2552 [ case "$withval" in
2553   yes|no)
2554     with_dmapi_support=$withval
2555     ;;
2556   esac ]
2557 )
2558 AC_MSG_RESULT([$with_dmapi_support])
2559
2560 if test x"$with_dmapi_support" != xno ; then
2561         SMB_CHECK_DMAPI([], [
2562                 AC_MSG_NOTICE(DMAPI support not present)
2563                 if test x"$with_dmapi_support" = xyes ; then
2564                         AC_MSG_ERROR(no DMAPI support found but requested!)
2565                 fi
2566                 ]
2567         )
2568 fi
2569
2570 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2571 # Theoretically it should work with AIX JFS2 too but this needs testing
2572 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2573     default_shared_modules="$default_shared_modules vfs_tsmsm"
2574 fi
2575
2576 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2577 AC_TRY_RUN([
2578 #include <sys/types.h>
2579 #include <fcntl.h>
2580 #include <signal.h>
2581 #include <sys/file.h>
2582 #ifndef LOCK_MAND
2583 #define LOCK_MAND       32
2584 #define LOCK_READ       64
2585 #endif
2586 main() {
2587         return(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2588 }
2589 ],
2590 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2591 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2592     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2593 fi
2594
2595
2596 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2597 AC_TRY_COMPILE([#include <sys/types.h>
2598 #include <fcntl.h>],
2599 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2600 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2601 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2602     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2603 fi
2604
2605 #################################################
2606 # Check for POSIX capability support
2607
2608 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2609     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2610     [], [])
2611
2612 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2613
2614     ac_save_LIBS=$LIBS
2615     AC_LIBTESTFUNC(cap, cap_get_proc)
2616
2617     AC_CACHE_CHECK([for POSIX capabilities],
2618             samba_cv_HAVE_POSIX_CAPABILITIES,
2619             [
2620                 AC_TRY_RUN([
2621 #include <sys/types.h>
2622 #include <sys/capability.h>
2623 main() {
2624  cap_t cap;
2625  cap_value_t vals[1];
2626  if (!(cap = cap_get_proc()))
2627    return(1);
2628  vals[0] = CAP_CHOWN;
2629  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2630  cap_set_proc(cap);
2631  return(0);
2632 }],
2633                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2634                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2635                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2636             ])
2637
2638 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2639     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2640             [Whether POSIX capabilities are available])
2641 else
2642     LIBS=$ac_save_LIBS
2643 fi
2644
2645 fi
2646
2647 #
2648 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2649 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2650 #
2651
2652 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2653 AC_TRY_COMPILE([#include <sys/types.h>
2654 #if defined(HAVE_RPC_RPC_H)
2655 #include <rpc/rpc.h>
2656 #endif],
2657 [int16 testvar;],
2658 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2659 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2660     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2661 fi
2662
2663 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2664 AC_TRY_COMPILE([#include <sys/types.h>
2665 #if defined(HAVE_RPC_RPC_H)
2666 #include <rpc/rpc.h>
2667 #endif],
2668 [uint16 testvar;],
2669 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2670 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2671     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2672 fi
2673
2674 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2675 AC_TRY_COMPILE([#include <sys/types.h>
2676 #if defined(HAVE_RPC_RPC_H)
2677 #include <rpc/rpc.h>
2678 #endif],
2679 [int32 testvar;],
2680 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2681 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2682     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2683 fi
2684
2685 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2686 AC_TRY_COMPILE([#include <sys/types.h>
2687 #if defined(HAVE_RPC_RPC_H)
2688 #include <rpc/rpc.h>
2689 #endif],
2690 [uint32 testvar;],
2691 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2692 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2693     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2694 fi
2695
2696 dnl
2697 dnl Some systems (SCO) have a problem including
2698 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2699 dnl as a #define in <prot.h> and as part of an enum
2700 dnl in <rpc/rpc.h>.
2701 dnl
2702
2703 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2704 AC_TRY_COMPILE([#include <sys/types.h>
2705 #ifdef HAVE_SYS_SECURITY_H
2706 #include <sys/security.h>
2707 #include <prot.h>
2708 #endif  /* HAVE_SYS_SECURITY_H */
2709 #if defined(HAVE_RPC_RPC_H)
2710 #include <rpc/rpc.h>
2711 #endif],
2712 [int testvar;],
2713 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2714 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2715     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2716 fi
2717
2718 AC_MSG_CHECKING([for test routines])
2719 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
2720            AC_MSG_RESULT(yes),
2721            AC_MSG_ERROR([cant find test code. Aborting config]),
2722            AC_MSG_WARN([cannot run when cross-compiling]))
2723
2724 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2725 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
2726            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2727 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2728     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2729 fi
2730
2731 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2732 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
2733            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2734 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2735     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2736 fi
2737
2738 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2739 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2740 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2741 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2742 AC_CHECK_FUNCS(getpagesize)
2743
2744 ################################################
2745 # look for a method of setting the effective uid
2746 seteuid=no;
2747
2748 ################################################
2749 # Start by checking for 32-bit system call definitions on Linux.
2750
2751 case "$host_os" in
2752 *linux*)
2753 AC_CACHE_CHECK([for Linux 32-bit system calls],samba_cv_USE_LINUX_32BIT_SYSCALLS,[
2754 AC_TRY_COMPILE([
2755 #if defined(HAVE_UNISTD_H)
2756 #include <unistd.h>
2757 #endif
2758 #include <stdlib.h>
2759 #include <stdio.h>
2760 #include <sys/types.h>
2761 #include <errno.h>
2762
2763 #ifdef HAVE_SYS_PRIV_H
2764 #include <sys/priv.h>
2765 #endif
2766 #ifdef HAVE_SYS_ID_H
2767 #include <sys/id.h>
2768 #endif
2769
2770 #if defined(HAVE_SYSCALL_H)
2771 #include <syscall.h>
2772 #endif
2773
2774 #if defined(HAVE_SYS_SYSCALL_H)
2775 #include <sys/syscall.h>
2776 #endif
2777 ],
2778 [
2779 syscall(SYS_setresuid32, -1, -1, -1);
2780 syscall(SYS_setresgid32, -1, -1, -1);
2781 syscall(SYS_setreuid32, -1, -1);
2782 syscall(SYS_setregid32, -1, -1);
2783 syscall(SYS_setuid32, -1);
2784 syscall(SYS_setgid32, -1);
2785 syscall(SYS_setgroups32, 0, NULL);
2786 ], samba_cv_USE_LINUX_32BIT_SYSCALLS=yes,samba_cv_USE_LINUX_32BIT_SYSCALLS=no,samba_cv_USE_LINUX_32BIT_SYSCALLS=cross)])
2787
2788 if test x"$samba_cv_USE_LINUX_32BIT_SYSCALLS" = x"yes"; then
2789     AC_DEFINE(USE_LINUX_32BIT_SYSCALLS,1,[Use Linux 32-bit system calls])
2790     AC_CACHE_CHECK([for Linux thread-specific credentials with 32-bit system calls],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2791     AC_TRY_RUN([
2792 #define AUTOCONF_TEST 1
2793 #define USE_LINUX_THREAD_CREDENTIALS 1
2794 #define USE_LINUX_32BIT_SYSCALLS 1
2795 #include "${srcdir-.}/../lib/util/setid.c"
2796 #include "${srcdir-.}/lib/util_sec.c"],
2797            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2798 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2799     seteuid=yes;
2800     AC_DEFINE(USE_LINUX_THREAD_CREDENTIALS,1,[Whether we can use Linux thread-specific credentials with 32-bit system calls])
2801 fi
2802 fi
2803
2804 if test $seteuid = no; then
2805 AC_CACHE_CHECK([for Linux thread-specific credentials],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2806 AC_TRY_RUN([
2807 #define AUTOCONF_TEST 1
2808 #define USE_LINUX_THREAD_CREDENTIALS 1
2809 #include "${srcdir-.}/../lib/util/setid.c"
2810 #include "${srcdir-.}/lib/util_sec.c"],
2811            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2812 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2813     seteuid=yes;AC_DEFINE(USE_LINUX_THREAD_CREDENTIALS,1,[Whether we can use Linux thread-specific credentials])
2814 fi
2815 fi
2816
2817 ;;
2818 esac
2819
2820 if test $seteuid = no; then
2821 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2822 AC_TRY_RUN([
2823 #define AUTOCONF_TEST 1
2824 #define USE_SETREUID 1
2825 #include "confdefs.h"
2826 #include "${srcdir-.}/../lib/util/setid.c"
2827 #include "${srcdir-.}/lib/util_sec.c"],
2828            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2829 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2830     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2831 fi
2832 fi
2833
2834 # we check for setresuid second as it conflicts with AIO on Linux. 
2835 # see http://samba.org/~tridge/junkcode/aio_uid.c
2836 if test $seteuid = no; then
2837 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2838 AC_TRY_RUN([
2839 #define AUTOCONF_TEST 1
2840 #define USE_SETRESUID 1
2841 #include "confdefs.h"
2842 #include "${srcdir-.}/../lib/util/setid.c"
2843 #include "${srcdir-.}/lib/util_sec.c"],
2844            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2845 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2846     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2847 fi
2848 fi
2849
2850 if test $seteuid = no; then
2851 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2852 AC_TRY_RUN([
2853 #define AUTOCONF_TEST 1
2854 #define USE_SETEUID 1
2855 #include "confdefs.h"
2856 #include "${srcdir-.}/../lib/util/setid.c"
2857 #include "${srcdir-.}/lib/util_sec.c"],
2858            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2859 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2860     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2861 fi
2862 fi
2863
2864 if test $seteuid = no; then
2865 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2866 AC_TRY_RUN([
2867 #define AUTOCONF_TEST 1
2868 #define USE_SETUIDX 1
2869 #include "confdefs.h"
2870 #include "${srcdir-.}/../lib/util/setid.c"
2871 #include "${srcdir-.}/lib/util_sec.c"],
2872            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2873 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2874     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2875 fi
2876 fi
2877
2878 AC_CACHE_CHECK([for the Darwin initgroups system call],
2879         samba_cv_DARWIN_INITGROUPS,
2880         AC_TRY_LINK([
2881 #include <sys/syscall.h>
2882 #include <unistd.h>
2883         ],
2884         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2885         samba_cv_DARWIN_INITGROUPS=yes,
2886         samba_cv_DARWIN_INITGROUPS=no)
2887 )
2888
2889 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2890     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2891         [Whether to use the Darwin-specific initgroups system call])
2892 fi
2893
2894 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2895 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
2896            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2897 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2898     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2899 fi
2900
2901 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
2902 AC_CACHE_CHECK([for broken posix_fallocate],samba_cv_HAVE_BROKEN_POSIX_FALLOCATE,[
2903 AC_TRY_COMPILE([
2904   #define _XOPEN_SOURCE 600
2905   #include <stdlib.h>
2906   #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
2907   #error probably broken posix_fallocate
2908   #endif
2909 ], [
2910 ], 
2911 samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=no,samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=yes)])
2912 if test x"$samba_cv_HAVE_BROKEN_POSIX_FALLOCATE" = xyes; then
2913         AC_DEFINE(HAVE_BROKEN_POSIX_FALLOCATE, 1, Whether we have a broken posix_fallocate)
2914 fi
2915
2916
2917 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2918 AC_TRY_COMPILE([#include <sys/types.h>
2919 #include <sys/stat.h>
2920 #include <unistd.h>],
2921 [struct stat st;  st.st_blocks = 0;],
2922 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2923 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2924     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2925 fi
2926
2927 AC_CACHE_CHECK([for 32 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_4,[
2928 AC_TRY_RUN([
2929 #if defined(HAVE_UNISTD_H)
2930 #include <unistd.h>
2931 #endif
2932 #include <stdio.h>
2933 #include <sys/types.h>
2934 #include <sys/stat.h>
2935 main() { return((sizeof(blkcnt_t) == 4) ? 0 : 1); }],
2936 samba_cv_SIZEOF_BLKCNT_T_4=yes,samba_cv_SIZEOF_BLKCNT_T_4=no,samba_cv_SIZEOF_BLKCNT_T_4=cross)])
2937 if test x"$samba_cv_SIZEOF_BLKCNT_T_4" = x"yes"; then
2938     AC_DEFINE(SIZEOF_BLKCNT_T_4,1,[The size of the 'blkcnt_t' type])
2939 fi
2940
2941 AC_CACHE_CHECK([for 64 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_8,[
2942 AC_TRY_RUN([
2943 #if defined(HAVE_UNISTD_H)
2944 #include <unistd.h>
2945 #endif
2946 #include <stdio.h>
2947 #include <sys/types.h>
2948 #include <sys/stat.h>
2949 main() { return((sizeof(blkcnt_t) == 8) ? 0 : 1); }],
2950 samba_cv_SIZEOF_BLKCNT_T_8=yes,samba_cv_SIZEOF_BLKCNT_T_8=no,samba_cv_SIZEOF_BLKCNT_T_8=cross)])
2951 if test x"$samba_cv_SIZEOF_BLKCNT_T_8" = x"yes"; then
2952     AC_DEFINE(SIZEOF_BLKCNT_T_8,1,[The size of the 'blkcnt_t' type])
2953 fi
2954
2955 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2956 AC_TRY_COMPILE([#include <sys/types.h>
2957 #include <sys/stat.h>
2958 #include <unistd.h>],
2959 [struct stat st;  st.st_blksize = 0;],
2960 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2961 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2962     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2963 fi
2964
2965 AC_CACHE_CHECK([for st_flags in struct stat],
2966         samba_cv_HAVE_STAT_ST_FLAGS,
2967         [
2968             AC_TRY_COMPILE([#include <sys/types.h>
2969 #include <sys/stat.h>
2970 #include <unistd.h>],
2971             [struct stat st;  st.st_flags = 0;],
2972             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2973             samba_cv_HAVE_STAT_ST_FLAGS=no,
2974             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2975         ])
2976
2977 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
2978     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
2979                 [Whether the stat struct has a st_flags member])
2980 fi
2981
2982 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
2983 AC_TRY_COMPILE([
2984 #include <sys/types.h>
2985 #include <sys/acl.h>
2986 #if defined(HAVE_RPCSVC_NIS_H)
2987 #include <rpcsvc/nis.h>
2988 #endif],
2989 [int i;],
2990 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
2991 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
2992         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
2993 fi
2994
2995 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
2996 AC_TRY_RUN([
2997 #include <stdio.h>
2998 #include <limits.h>
2999 #include <signal.h>
3000
3001 void exit_on_core(int ignored) {
3002         exit(1);
3003 }
3004
3005 main() {
3006         char *newpath;
3007         signal(SIGSEGV, exit_on_core);
3008         newpath = realpath("/tmp", NULL);
3009         return((newpath != NULL) ? 0 : 1);
3010 }
3011 ],
3012 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
3013 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
3014     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
3015 fi
3016
3017 #################################################
3018 # check for AFS clear-text auth support
3019 samba_cv_WITH_AFS=no
3020 AC_MSG_CHECKING(whether to use AFS clear-text auth)
3021 AC_ARG_WITH(afs,
3022 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
3023 [ case "$withval" in
3024   yes|auto)
3025     AC_MSG_RESULT($withval)
3026     samba_cv_WITH_AFS=$withval
3027     ;;
3028   *)
3029     AC_MSG_RESULT(no)
3030     ;;
3031   esac ],
3032   AC_MSG_RESULT(no)
3033 )
3034
3035 ####################################################
3036 # check for Linux-specific AFS fake-kaserver support
3037 samba_cv_WITH_FAKE_KASERVER=no
3038 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
3039 AC_ARG_WITH(fake-kaserver,
3040 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
3041 [ case "$withval" in
3042   yes|auto)
3043     AC_MSG_RESULT($withval)
3044     samba_cv_WITH_FAKE_KASERVER=$withval
3045     ;;
3046   *)
3047     AC_MSG_RESULT(no)
3048     ;;
3049   esac ],
3050   AC_MSG_RESULT(no)
3051 )
3052
3053 #################################################
3054 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
3055 if test x"$samba_cv_WITH_AFS" != x"no" ||
3056    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
3057
3058     # see if this box has the OpenSSL DES libraries
3059     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
3060
3061     # see if this box has the afs-headers in /usr/include/afs
3062     AC_MSG_CHECKING(for /usr/include/afs)
3063     if test -d /usr/include/afs; then
3064           AC_MSG_RESULT(yes)
3065     else
3066       AC_MSG_RESULT(no)
3067     fi
3068
3069     # check for afs.h
3070     have_afs_headers=no
3071     AC_CHECK_HEADERS(afs.h afs/afs.h)
3072     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
3073         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
3074            test x"$samba_cv_WITH_AFS" = x"auto"; then
3075                 AC_MSG_WARN([AFS cannot be supported without afs.h])
3076         else
3077                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
3078         fi
3079     else
3080         have_afs_headers=yes
3081     fi
3082 fi
3083
3084 FAKE_KASERVER_OBJ=""
3085 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
3086     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
3087     FAKE_KASERVER_OBJ="utils/net_afs.o"
3088 fi
3089 AC_SUBST(FAKE_KASERVER_OBJ)
3090
3091 #################################################
3092 # check whether to compile AFS/NT ACL mapping module
3093 samba_cv_WITH_VFS_AFSACL=no
3094 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
3095 AC_ARG_WITH(vfs-afsacl,
3096 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
3097 [ case "$withval" in
3098   yes|auto)
3099     AC_MSG_RESULT($withval)
3100     samba_cv_WITH_VFS_AFSACL=yes
3101     ;;
3102   *)
3103     AC_MSG_RESULT(no)
3104     ;;
3105   esac ],
3106   AC_MSG_RESULT(no)
3107 )
3108
3109 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
3110    default_shared_modules="$default_shared_modules vfs_afsacl"
3111 fi
3112         
3113 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
3114     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
3115 fi
3116
3117 #################################################
3118 # check for the DFS clear-text auth system
3119 AC_MSG_CHECKING(whether to use DFS clear-text auth)
3120 AC_ARG_WITH(dfs,
3121 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
3122 [ case "$withval" in
3123   yes)
3124     AC_MSG_RESULT(yes)
3125     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
3126     ;;
3127   *)
3128     AC_MSG_RESULT(no)
3129     ;;
3130   esac ],
3131   AC_MSG_RESULT(no)
3132 )
3133
3134 ########################################################
3135 # Compile with LDAP support?
3136
3137 with_ldap_support=auto
3138 AC_MSG_CHECKING([for LDAP support])
3139
3140 AC_ARG_WITH(ldap,
3141 [AS_HELP_STRING([--with-ldap], [LDAP support (default=auto)])],
3142 [ case "$withval" in
3143     yes|no)
3144         with_ldap_support=$withval
3145         ;;
3146   esac ])
3147
3148 AC_MSG_RESULT($with_ldap_support)
3149
3150 SMBLDAP=""
3151 AC_SUBST(SMBLDAP)
3152
3153 if test x"$with_ldap_support" != x"no"; then
3154
3155   ##################################################################
3156   # first test for ldap.h and lber.h
3157   # (ldap.h is required for this test)
3158   AC_CHECK_HEADERS(ldap.h lber.h)
3159
3160   if test x"$ac_cv_header_ldap_h" != x"yes"; then
3161         if test x"$with_ldap_support" = x"yes"; then
3162          AC_MSG_ERROR(ldap.h is needed for LDAP support)
3163         else
3164          AC_MSG_WARN(ldap.h is needed for LDAP support)
3165         fi
3166         
3167         with_ldap_support=no
3168   fi
3169
3170   ##################################################################
3171   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
3172   # unsigned int in include/includes.h
3173   case $host_os in
3174         *hpux*)
3175          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3176          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
3177         with_ldap_support=yes
3178         ;;
3179         *)
3180         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
3181         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
3182                 if test x"$with_ldap_support" = x"yes"; then
3183                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3184                 else
3185                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3186                 fi
3187                 with_ldap_support=no
3188         fi
3189         ;;
3190   esac
3191 fi
3192
3193 if test x"$with_ldap_support" != x"no"; then
3194   ac_save_LIBS=$LIBS
3195
3196   ##################################################################
3197   # we might need the lber lib on some systems. To avoid link errors
3198   # this test must be before the libldap test
3199   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3200
3201   ########################################################
3202   # If ber_sockbuf_add_io() is available we can add
3203   # SASL wrapping hooks
3204   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3205
3206   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3207                  AC_TRY_COMPILE([#include <ldap.h>],
3208                                 [int val = LDAP_OPT_SOCKBUF;],
3209                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3210                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3211
3212   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3213           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3214         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3215   fi
3216
3217   #######################################################
3218   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3219   # ldap logging and print it out in the samba logs
3220   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3221                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3222                  [AC_TRY_COMPILE([#include <lber.h>],
3223                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3224                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3225                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3226
3227   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3228         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3229                   [Support for LDAP/LBER logging interception])
3230   fi
3231
3232   ########################################################
3233   # now see if we can find the ldap libs in standard paths
3234   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3235
3236   ########################################################
3237   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3238   # Check found in pam_ldap 145.
3239   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3240
3241   LIBS="$LIBS $LDAP_LIBS"
3242   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3243     AC_TRY_COMPILE([
3244         #include <lber.h>
3245         #include <ldap.h>],
3246         [ldap_set_rebind_proc(0, 0, 0);],
3247         [smb_ldap_cv_ldap_set_rebind_proc=3],
3248         [smb_ldap_cv_ldap_set_rebind_proc=2]
3249     )
3250   ])
3251
3252   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3253
3254   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3255
3256   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3257     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3258     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3259     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3260     default_shared_modules="$default_shared_modules";
3261     SMBLDAP="lib/smbldap.o"
3262     with_ldap_support=yes
3263     AC_MSG_CHECKING(whether LDAP support is used)
3264     AC_MSG_RESULT(yes)
3265   else
3266     if test x"$with_ldap_support" = x"yes"; then
3267         AC_MSG_ERROR(libldap is needed for LDAP support)
3268     else
3269         AC_MSG_WARN(libldap is needed for LDAP support)
3270     fi
3271
3272     LDAP_LIBS=""
3273     with_ldap_support=no
3274   fi
3275   LIBS=$ac_save_LIBS
3276 fi
3277
3278
3279 #################################################
3280 # active directory support
3281
3282 with_ads_support=auto
3283 AC_MSG_CHECKING([for Active Directory and krb5 support])
3284
3285 AC_ARG_WITH(ads,
3286 [AS_HELP_STRING([--with-ads], [Active Directory support (default=auto)])],
3287 [ case "$withval" in
3288     yes|no)
3289         with_ads_support="$withval"
3290         ;;
3291   esac ])
3292
3293 AC_MSG_RESULT($with_ads_support)
3294
3295 FOUND_KRB5=no
3296 KRB5_LIBS=""
3297
3298 if test x"$with_ldap_support" != x"yes"; then
3299
3300     if test x"$with_ads_support" = x"yes"; then
3301         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3302     elif test x"$with_ads_support" = x"auto"; then
3303         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3304         with_ads_support=no
3305     fi
3306
3307 else
3308
3309     # Check to see whether there is enough LDAP functionality to be able
3310     # to build AD support.
3311
3312 # HPUX and Solaris only has ldap_init; ok, we take care of this in smbldap.c
3313 case "$host_os" in
3314         *hpux* | *solaris*)
3315     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3316
3317     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3318         if test x"$with_ads_support" = x"yes"; then
3319             AC_MSG_ERROR(Active Directory support on HPUX or Solaris requires ldap_init)
3320         elif test x"$with_ads_support" = x"auto"; then
3321             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX or Solaris))
3322             with_ads_support=no
3323         fi
3324     fi
3325     ;;
3326         *)
3327     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3328
3329     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3330         if test x"$with_ads_support" = x"yes"; then
3331             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3332         elif test x"$with_ads_support" = x"auto"; then
3333             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3334             with_ads_support=no
3335         fi
3336     fi
3337     ;;
3338 esac
3339
3340
3341     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3342
3343     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3344         if test x"$with_ads_support" = x"yes"; then
3345             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3346         elif test x"$with_ads_support" = x"auto"; then
3347             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3348             with_ads_support=no
3349         fi
3350     fi
3351
3352 fi
3353
3354 if test x"$with_ads_support" != x"no"; then
3355
3356   # Do no harm to the values of CFLAGS and LIBS while testing for
3357   # Kerberos support.
3358
3359   if test x$FOUND_KRB5 = x"no"; then
3360     #################################################
3361     # check for location of Kerberos 5 install
3362     AC_MSG_CHECKING(for kerberos 5 install path)
3363     AC_ARG_WITH(krb5,
3364     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3365     [ case "$withval" in
3366       no)
3367         AC_MSG_RESULT(no krb5-path given)
3368         ;;
3369       yes)
3370         AC_MSG_RESULT(/usr)
3371         ;;
3372       *)
3373         AC_MSG_RESULT($withval)
3374         KRB5_CFLAGS="-I$withval/include"
3375         KRB5_CPPFLAGS="-I$withval/include"
3376         KRB5_LDFLAGS="-L$withval/lib"
3377         FOUND_KRB5=yes
3378         if test -x "$withval/bin/krb5-config"; then
3379                 KRB5CONFIG=$withval/bin/krb5-config
3380         fi
3381         ;;
3382       esac ],
3383       AC_MSG_RESULT(no krb5-path given)
3384     )
3385   fi
3386
3387   #################################################
3388   # check for krb5-config from recent MIT and Heimdal kerberos 5
3389   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3390   AC_MSG_CHECKING(for working krb5-config)
3391   if test -x "$KRB5CONFIG" && $KRB5CONFIG --libs gssapi > /dev/null ; then
3392     ac_save_CFLAGS=$CFLAGS
3393     CFLAGS="";export CFLAGS
3394     ac_save_LDFLAGS=$LDFLAGS
3395     LDFLAGS="";export LDFLAGS
3396     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3397     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3398     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3399     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3400     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3401     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3402     FOUND_KRB5=yes
3403     AC_MSG_RESULT(yes)
3404   else
3405     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3406   fi
3407
3408   if test x$FOUND_KRB5 = x"no"; then
3409     #################################################
3410     # see if this box has the SuSE location for the heimdal krb implementation
3411     AC_MSG_CHECKING(for /usr/include/heimdal)
3412     if test -d /usr/include/heimdal; then
3413       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3414           KRB5_CFLAGS="-I/usr/include/heimdal"
3415           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3416           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3417           FOUND_KRB5=yes
3418           AC_MSG_RESULT(yes)
3419       else
3420           KRB5_CFLAGS="-I/usr/include/heimdal"
3421           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3422           FOUND_KRB5=yes
3423           AC_MSG_RESULT(yes)
3424       fi
3425     else
3426       AC_MSG_RESULT(no)
3427     fi
3428   fi
3429
3430   if test x$FOUND_KRB5 = x"no"; then
3431     #################################################
3432     # see if this box has the RedHat location for kerberos
3433     AC_MSG_CHECKING(for /usr/kerberos)
3434     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3435       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3436       KRB5_CFLAGS="-I/usr/kerberos/include"
3437       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3438       FOUND_KRB5=yes
3439       AC_MSG_RESULT(yes)
3440     else
3441       AC_MSG_RESULT(no)
3442     fi
3443   fi
3444
3445   if test x$FOUND_KRB5 = x"no"; then
3446     #################################################
3447     # see if this box has the OpenBSD location for heimdal krb5
3448     AC_MSG_CHECKING(for /usr/include/kerberosV)
3449     if test -d /usr/include/kerberosV; then
3450       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3451       KRB5_LIBS="-lcrypto"
3452       FOUND_KRB5=yes
3453       AC_MSG_RESULT(yes)
3454     else
3455       AC_MSG_RESULT(no)
3456     fi
3457   fi
3458
3459   if test x$FOUND_KRB5 = x"no"; then
3460     #################################################
3461     # see if this box has Solaris MIT kerberos implementation
3462     AC_MSG_CHECKING(for Solaris MIT kerberos)
3463     if test -x "$KRB5CONFIG" && $KRB5CONFIG --version | grep -s Solaris | grep -s MIT > /dev/null ; then
3464        FOUND_KRB5=yes
3465        KRB5_LIBS="-lgss -lkrb5"
3466        KRB5_CFLAGS="`$KRB5CONFIG --cflags`"
3467        KRB5_CPPFLAGS="`$KRB5CONFIG --cflags`"
3468        AC_MSG_RESULT(yes)
3469     else
3470       AC_MSG_RESULT(no)
3471     fi
3472   fi
3473
3474   ac_save_CFLAGS=$CFLAGS
3475   ac_save_CPPFLAGS=$CPPFLAGS
3476   ac_save_LDFLAGS=$LDFLAGS
3477
3478   # remove needless evil rpath stuff as early as possible:
3479   LIB_REMOVE_USR_LIB(KRB5_LIBS)
3480   LIB_REMOVE_USR_LIB(KRB5_LDFLAGS)
3481   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3482   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3483   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3484
3485   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3486
3487   # now check for krb5.h. Some systems have the libraries without the headers!
3488   # note that this check is done here to allow for different kerberos
3489   # include paths
3490   AC_CHECK_HEADERS(krb5.h)
3491
3492   if test x"$ac_cv_header_krb5_h" = x"no"; then
3493
3494     # Give a warning if AD support was not explicitly requested,
3495     # i.e with_ads_support = auto, otherwise die with an error.
3496
3497     if test x"$with_ads_support" = x"yes"; then
3498       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3499     else
3500       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3501     fi
3502
3503     # Turn off AD support and restore CFLAGS and LIBS variables
3504
3505     with_ads_support="no"
3506
3507     CFLAGS=$ac_save_CFLAGS
3508     CPPFLAGS=$ac_save_CPPFLAGS
3509     LDFLAGS=$ac_save_LDFLAGS
3510   fi
3511
3512   # check for new heimdal KRB5_DEPRECATED handling
3513
3514   AC_CACHE_CHECK([for KRB5_DEPRECATED define taking an identifier],
3515                 samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER,[
3516     AC_TRY_COMPILE(
3517       [#define KRB5_DEPRECATED 1
3518       #include <krb5.h>],
3519       [],
3520       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=yes,
3521       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=no)])
3522
3523   if test x"$samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER" = x"yes"; then
3524     AC_DEFINE(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER, 1,
3525                [Whether to use deprecated krb5 interfaces])
3526   fi
3527 fi
3528
3529 # Now we have determined whether we really want ADS support
3530 use_ads=no
3531 if test x"$with_ads_support" != x"no"; then
3532   use_ads=yes
3533   have_gssapi=no
3534   ac_save_LIBS=$LIBS
3535
3536   # now check for gssapi headers.  This is also done here to allow for
3537   # different kerberos include paths
3538   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h)
3539
3540   ##################################################################
3541   # we might need the k5crypto and com_err libraries on some systems
3542   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3543   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3544
3545   # Heimdal checks.
3546   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3547   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3548   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3549
3550   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3551   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3552
3553   ########################################################
3554   # now see if we can find the krb5 libs in standard paths
3555   # or as specified above
3556   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3557   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3558
3559   ########################################################
3560   # now see if we can find the gssapi libs in standard paths
3561   if test x"$have_gssapi" != x"yes"; then
3562      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3563      AC_CHECK_LIB_EXT(gss, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3564   fi
3565   ################################################################
3566   # test for AD / GSSAPI support being enabled
3567   if test x"$have_gssapi" != xyes ; then
3568         AC_MSG_WARN([Samba cannot be supported without GSSAPI])
3569         use_ads=no
3570   else
3571         AC_DEFINE(HAVE_GSSAPI, , [Whether the platform has GSSAPI support])
3572   fi
3573
3574   # This is for FreeBSD (and possibly others). gss_mech_krb5 is a
3575   # #define to GSS_KRB5_MECHANISM, which is defined in -lgssapi_krb5
3576   # Also, gsskrb5_extract_authz_data_from_sec_context is in -lgssapi_krb5
3577   AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS, GSS_KRB5_MECHANISM,
3578                    [KRB5_LIBS="$KRB5_LIBS -lgssapi_krb5"])
3579
3580   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3581   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3582   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3583   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3584   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3585   AC_CHECK_FUNC_EXT(krb5_c_string_to_key, $KRB5_LIBS)
3586   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3587   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3588   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3589   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3590   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3591   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3592   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3593   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3594   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3595   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3596   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3597   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3598   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3599   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3600   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3601   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3602   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3603   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3604   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3605   AC_CHECK_FUNC_EXT(krb5_make_principal, $KRB5_LIBS)
3606   AC_CHECK_FUNC_EXT(krb5_principal_get_num_comp, $KRB5_LIBS)
3607   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3608   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3609   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3610   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3611   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3612   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3613   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3614   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3615   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3616   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3617   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_alloc, $KRB5_LIBS)
3618   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_set_impersonate, $KRB5_LIBS)
3619   AC_CHECK_FUNC_EXT(krb5_get_creds, $KRB5_LIBS)
3620   AC_CHECK_FUNC_EXT(krb5_get_credentials_for_user, $KRB5_LIBS)
3621   AC_CHECK_FUNC_EXT(krb5_get_host_realm, $KRB5_LIBS)
3622   AC_CHECK_FUNC_EXT(krb5_free_host_realm, $KRB5_LIBS)
3623   AC_CHECK_FUNC_EXT(krb5_get_init_creds_keytab, $KRB5_LIBS)
3624   AC_CHECK_FUNC_EXT(krb5_build_principal_alloc_va, $KRB5_LIBS)
3625   AC_CHECK_FUNC_EXT(krb5_cc_get_lifetime, $KRB5_LIBS)
3626   AC_CHECK_FUNC_EXT(krb5_cc_retrieve_cred, $KRB5_LIBS)
3627   AC_CHECK_FUNC_EXT(krb5_free_checksum_contents, $KRB5_LIBS)
3628   AC_CHECK_FUNC_EXT(krb5_create_checksum, $KRB5_LIBS)
3629   AC_CHECK_FUNC_EXT(krb5_c_make_checksum, $KRB5_LIBS)
3630   AC_CHECK_FUNC_EXT(gss_krb5_import_cred, $KRB5_LIBS)
3631   AC_CHECK_FUNC_EXT(gss_get_name_attribute, $KRB5_LIBS)
3632   AC_CHECK_FUNC_EXT(gsskrb5_extract_authz_data_from_sec_context, $KRB5_LIBS)
3633   AC_CHECK_FUNC_EXT(gss_mech_krb5, $KRB5_LIBS)
3634   AC_CHECK_FUNC_EXT(gss_oid_equal, $KRB5_LIBS)
3635   AC_CHECK_FUNC_EXT(gss_inquire_sec_context_by_oid, $KRB5_LIBS)
3636   AC_CHECK_FUNC_EXT(gss_wrap_iov, $KRB5_LIBS)
3637
3638   # MIT krb5 1.8 does not expose this call (yet)
3639   AC_CHECK_DECLS(krb5_get_credentials_for_user, [], [], [#include <krb5.h>])
3640
3641   # MIT krb5 1.7beta3 (in Ubuntu Karmic) does not have this declaration
3642   # but does have the symbol
3643   AC_CHECK_DECLS(krb5_auth_con_set_req_cksumtype, [], [], [#include <krb5.h>])
3644
3645   LIBS="$KRB5_LIBS $LIBS"
3646
3647   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3648           smb_krb5_cv_creds_opt_free_context,
3649           [
3650                 AC_TRY_COMPILE([
3651                     #include <krb5.h>],
3652                     [
3653                         krb5_context ctx;
3654                         krb5_get_init_creds_opt *opt = NULL;
3655                         krb5_get_init_creds_opt_free(ctx, opt);
3656                     ],
3657                     [smb_krb5_cv_creds_opt_free_context=yes],
3658                     [smb_krb5_cv_creds_opt_free_context=no]
3659                 )
3660           ])
3661
3662   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3663         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3664             [Whether krb5_get_init_creds_opt_free takes a context argument])
3665   fi
3666
3667   AC_CACHE_CHECK([for checksum in krb5_checksum],
3668                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3669     AC_TRY_COMPILE([#include <krb5.h>],
3670       [krb5_checksum cksum; cksum.checksum.length = 0;],
3671       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3672       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3673
3674   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3675     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3676                [Whether the krb5_checksum struct has a checksum property])
3677   fi
3678
3679   AC_CACHE_CHECK([for etype in EncryptedData],
3680                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3681     AC_TRY_COMPILE([#include <krb5.h>],
3682       [EncryptedData edata; edata.etype = 0;],
3683       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3684       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3685
3686   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3687     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3688                [Whether the EncryptedData struct has a etype property])
3689   fi
3690
3691   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3692                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3693     AC_TRY_COMPILE([#include <krb5.h>],
3694       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3695       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3696       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3697
3698   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
3699     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
3700                [Whether the krb5_ap_req struct has a ticket pointer])
3701   fi
3702
3703   AC_CACHE_CHECK([for e_data pointer in krb5_error],
3704                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
3705     AC_TRY_COMPILE([#include <krb5.h>],
3706       [krb5_error err; err.e_data = NULL;],
3707       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
3708       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
3709
3710   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
3711     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
3712                [Whether the krb5_error struct has a e_data pointer])
3713   fi
3714
3715   AC_CACHE_CHECK([for krb5_crypto type],
3716                 samba_cv_HAVE_KRB5_CRYPTO,[
3717     AC_TRY_COMPILE([#include <krb5.h>],
3718       [krb5_crypto crypto;],
3719       samba_cv_HAVE_KRB5_CRYPTO=yes,
3720       samba_cv_HAVE_KRB5_CRYPTO=no)])
3721
3722   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
3723     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
3724                [Whether the type krb5_crypto exists])
3725   fi
3726
3727   AC_CACHE_CHECK([for addrtype in krb5_address],
3728                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
3729     AC_TRY_COMPILE([#include <krb5.h>],
3730       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
3731       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
3732       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
3733
3734   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
3735     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
3736                [Whether the krb5_address struct has a addrtype property])
3737   fi
3738
3739   AC_CACHE_CHECK([for addr_type in krb5_address],
3740                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
3741     AC_TRY_COMPILE([#include <krb5.h>],
3742       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
3743       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
3744       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
3745
3746   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
3747     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
3748               [Whether the krb5_address struct has a addr_type property])
3749   fi
3750
3751   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
3752                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
3753     AC_TRY_COMPILE([#include <krb5.h>],
3754       [krb5_keyblock key; key.keyvalue.data = NULL;],
3755       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
3756       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
3757
3758   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
3759     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
3760               [Whether the krb5_keyblock struct has a keyvalue property])
3761   fi
3762
3763   found_arcfour_hmac=no
3764   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
3765                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
3766     AC_TRY_COMPILE([#include <krb5.h>],
3767       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
3768       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
3769       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
3770   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
3771                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
3772     AC_TRY_COMPILE([#include <krb5.h>],
3773       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
3774       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
3775       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
3776 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
3777 # w.r.t. arcfour and windows, so we must not enable it here
3778   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
3779           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
3780     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
3781               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available])
3782     found_arcfour_hmac=yes
3783   fi
3784   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC],
3785                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC,[
3786     AC_TRY_COMPILE([#include <krb5.h>],
3787       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC;],
3788       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=yes,
3789       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=no)])
3790   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC" = x"yes"; then
3791     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC,1,
3792               [Whether the ENCTYPE_ARCFOUR_HMAC key type definition is available])
3793     found_arcfour_hmac=yes
3794   fi
3795
3796   AC_CACHE_CHECK([for ENCTYPE_AES128_CTS_HMAC_SHA1_96],
3797                  samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,[
3798     AC_TRY_COMPILE([#include <krb5.h>],
3799       [krb5_enctype enctype; enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;],
3800       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=yes,
3801       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=no)])
3802   if test x"$samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96" = x"yes"; then
3803     AC_DEFINE(HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,1,
3804               [Whether the ENCTYPE_AES128_CTS_HMAC_SHA1_96 key type definition is available])
3805   fi
3806   AC_CACHE_CHECK([for ENCTYPE_AES256_CTS_HMAC_SHA1_96],
3807                  samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,[
3808     AC_TRY_COMPILE([#include <krb5.h>],
3809       [krb5_enctype enctype; enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;],
3810       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=yes,
3811       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=no)])
3812   if test x"$samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96" = x"yes"; then
3813     AC_DEFINE(HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,1,
3814               [Whether the ENCTYPE_AES256_CTS_HMAC_SHA1_96 key type definition is available])
3815   fi
3816
3817   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
3818                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
3819     AC_TRY_COMPILE([#include <krb5.h>],
3820       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
3821       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
3822       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
3823
3824   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
3825     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
3826               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
3827   fi
3828
3829   AC_CACHE_CHECK([for KV5M_KEYTAB],
3830                  samba_cv_HAVE_KV5M_KEYTAB,[
3831     AC_TRY_COMPILE([#include <krb5.h>],
3832       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
3833       samba_cv_HAVE_KV5M_KEYTAB=yes,
3834       samba_cv_HAVE_KV5M_KEYTAB=no)])
3835
3836   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
3837       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
3838              [Whether the KV5M_KEYTAB option is available])
3839   fi
3840
3841   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
3842                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
3843     AC_TRY_COMPILE([#include <krb5.h>],
3844       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
3845       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
3846       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
3847
3848   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
3849     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
3850               [Whether KRB5_KU_OTHER_CKSUM is available])
3851   fi
3852
3853   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
3854                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
3855     AC_TRY_COMPILE([#include <krb5.h>],
3856       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
3857       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
3858       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
3859
3860   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
3861     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
3862               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
3863   fi
3864
3865   AC_CACHE_CHECK([for the krb5_princ_component macro],
3866                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
3867     AC_TRY_LINK([#include <krb5.h>],
3868       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
3869       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
3870       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
3871
3872   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
3873     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
3874                [Whether krb5_princ_component is available])
3875   fi
3876
3877   AC_CACHE_CHECK([for key in krb5_keytab_entry],
3878                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
3879     AC_TRY_COMPILE([#include <krb5.h>],
3880       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
3881       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
3882       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
3883
3884   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
3885     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
3886               [Whether krb5_keytab_entry has key member])
3887   fi
3888
3889   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
3890                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
3891     AC_TRY_COMPILE([#include <krb5.h>],
3892       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
3893       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
3894       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
3895
3896   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
3897     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
3898               [Whether krb5_keytab_entry has keyblock member])
3899   fi
3900
3901   AC_CACHE_CHECK([for magic in krb5_address],
3902                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
3903     AC_TRY_COMPILE([#include <krb5.h>],
3904       [krb5_address addr; addr.magic = 0;],
3905       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
3906       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
3907
3908   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
3909     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
3910               [Whether the krb5_address struct has a magic property])
3911   fi
3912
3913   AC_CACHE_CHECK([for WRFILE: keytab support],
3914                 samba_cv_HAVE_WRFILE_KEYTAB,[
3915     AC_TRY_RUN([
3916 #include<krb5.h>
3917   main()
3918   {
3919     krb5_context context;
3920     krb5_keytab keytab;
3921
3922     krb5_init_context(&context);
3923     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
3924   }],
3925   samba_cv_HAVE_WRFILE_KEYTAB=yes,
3926   samba_cv_HAVE_WRFILE_KEYTAB=no)])
3927
3928   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
3929       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
3930                [Whether the WRFILE:-keytab is supported])
3931   fi
3932
3933   AC_CACHE_CHECK([for krb5_realm type],
3934                 samba_cv_HAVE_KRB5_REALM_TYPE,[
3935     AC_TRY_COMPILE([#include <krb5.h>],
3936       [krb5_realm realm;],
3937       samba_cv_HAVE_KRB5_REALM_TYPE=yes,
3938       samba_cv_HAVE_KRB5_REALM_TYPE=no)])
3939
3940   if test x"$samba_cv_HAVE_KRB5_REALM_TYPE" = x"yes"; then
3941     AC_DEFINE(HAVE_KRB5_REALM_TYPE,1,
3942                [Whether the type krb5_realm exists])
3943   fi
3944
3945   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
3946                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
3947     AC_TRY_COMPILE([#include <krb5.h>],
3948     [
3949     krb5_context context;
3950     krb5_principal principal;
3951     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
3952     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
3953     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
3954
3955   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
3956     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
3957               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
3958   fi
3959
3960   AC_CACHE_CHECK([for krb5_addresses type],
3961                 samba_cv_HAVE_KRB5_ADDRESSES,[
3962     AC_TRY_COMPILE([#include <krb5.h>],
3963       [krb5_addresses addr;],
3964       samba_cv_HAVE_KRB5_ADDRESSES=yes,
3965       samba_cv_HAVE_KRB5_ADDRESSES=no)])
3966
3967   if test x"$samba_cv_HAVE_KRB5_ADDRESSES" = x"yes"; then
3968     AC_DEFINE(HAVE_KRB5_ADDRESSES,1,
3969                [Whether the type krb5_addresses type exists])
3970   fi
3971
3972   if test x"$ac_cv_func_ext_krb5_enctype_to_string" = x"yes"; then
3973     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_context context, krb5_enctype enctype, char **str)],
3974         smb_krb5_cv_enctype_to_string_takes_krb5_context_arg,[
3975         AC_TRY_RUN_STRICT([
3976                 #include <stdlib.h>
3977                 #include <krb5.h>
3978                 int main(void) {
3979                         krb5_context context = NULL;
3980                         char *str = NULL;
3981                         krb5_enctype_to_string(context, 1, &str);
3982                         if (str) free (str); 
3983                         return 0;
3984                 }
3985                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3986                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=yes,
3987                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=no)])
3988
3989     if test x"$smb_krb5_cv_enctype_to_string_takes_krb5_context_arg" = x"yes"; then
3990       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG,1,
3991                 [whether krb5_enctype_to_string takes krb5_context argument])
3992     fi
3993
3994     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_enctype enctype, char *str, size_t len)],
3995         smb_krb5_cv_enctype_to_string_takes_size_t_arg,[
3996         AC_TRY_RUN_STRICT([
3997                 #include <krb5.h>
3998                 int main(void) {
3999                         char buf[256];
4000                         krb5_enctype_to_string(1, buf, 256);
4001                         return 0;
4002                 }
4003                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
4004                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=yes,
4005                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=no)])
4006
4007     if test x"$smb_krb5_cv_enctype_to_string_takes_size_t_arg" = x"yes"; then
4008       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG,1,
4009                 [whether krb5_enctype_to_string takes size_t argument])
4010     fi
4011   fi
4012
4013   AC_CACHE_CHECK([for krb5_principal_get_realm],
4014                 samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM,[
4015     AC_TRY_LINK([#include <krb5.h>],
4016       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_principal_get_realm(ctx, princ);],
4017       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=yes,
4018       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=no)])
4019
4020   if test x"$samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM" = x"yes"; then
4021     AC_DEFINE(HAVE_KRB5_PRINCIPAL_GET_REALM,1,
4022                [Whether the function krb5_principal_get_realm is defined])
4023   fi
4024
4025   AC_CACHE_CHECK([for krb5_princ_realm],
4026                 samba_cv_HAVE_KRB5_PRINC_REALM,[
4027     AC_TRY_LINK([#include <krb5.h>],
4028       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_princ_realm(ctx, princ)->data;],
4029       samba_cv_HAVE_KRB5_PRINC_REALM=yes,
4030       samba_cv_HAVE_KRB5_PRINC_REALM=no)])
4031
4032   if test x"$samba_cv_HAVE_KRB5_PRINC_REALM" = x"yes"; then
4033     AC_DEFINE(HAVE_KRB5_PRINC_REALM,1,
4034                [Whether the macro krb5_princ_realm is defined])
4035   fi
4036
4037   AC_HAVE_DECL(KRB5_PDU_NONE,[#include <krb5.h>])
4038
4039   AC_CACHE_CHECK([for flags in krb5_creds],
4040                 samba_cv_HAVE_FLAGS_IN_KRB5_CREDS,[
4041     AC_TRY_COMPILE([#include <krb5.h>],
4042       [krb5_creds creds; creds.flags.b.initial = 0;],
4043       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=yes,
4044       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=no)])
4045
4046   if test x"$samba_cv_HAVE_FLAGS_IN_KRB5_CREDS" = x"yes"; then
4047     AC_DEFINE(HAVE_FLAGS_IN_KRB5_CREDS,1,
4048                [Whether the krb5_creds struct has a flags property])
4049   fi
4050   #
4051   #
4052   # Now the decisions whether we can support krb5
4053   #
4054   # NOTE: all tests should be done before this block!
4055   #
4056   #
4057   if test x"$found_arcfour_hmac" != x"yes"; then
4058     AC_MSG_WARN(arcfour-hmac-md5 encryption type not found in -lkrb5)
4059     use_ads=no
4060   fi
4061
4062   if test x"$ac_cv_func_ext_krb5_set_real_time" != x"yes"; then
4063     AC_MSG_WARN(krb5_set_real_time encryption type not found in -lkrb5)
4064     use_ads=no
4065   fi
4066
4067   if test x"$ac_cv_lib_ext_krb5_krb5_mk_req_extended" != x"yes"; then
4068     AC_MSG_WARN(krb5_mk_req_extended not found in -lkrb5)
4069     use_ads=no
4070   fi
4071
4072   if test x"$ac_cv_func_ext_krb5_get_host_realm" != x"yes"
4073   then
4074     AC_MSG_WARN(krb5_get_host_realm not found in -lkrb5)
4075     use_ads=no
4076   fi
4077
4078   if test x"$ac_cv_func_ext_krb5_free_host_realm" != x"yes"
4079   then
4080     AC_MSG_WARN(krb5_free_host_realm not found in -lkrb5)
4081     use_ads=no
4082   fi
4083
4084   if test x"$ac_cv_func_ext_krb5_fwd_tgt_creds" != x"yes"
4085   then
4086     AC_MSG_WARN(krb5_fwd_tgt_creds not found in -lkrb5)
4087     use_ads=no
4088   fi
4089
4090   if test x"$ac_cv_func_ext_krb5_get_init_creds_opt_alloc" != x"yes"
4091   then
4092     AC_MSG_WARN(krb5_get_init_creds_opt_alloc found in -lkrb5)
4093     use_ads=no
4094   fi
4095
4096   if test x"$smb_krb5_cv_creds_opt_free_context" != x"yes"
4097   then
4098     AC_MSG_WARN(krb5_get_init_creds_opt_free not found or was too old in -lkrb5)
4099     use_ads=no
4100   fi
4101
4102   if test x"$ac_cv_func_ext_krb5_get_renewed_creds" != x"yes"
4103   then
4104     AC_MSG_WARN(krb5_get_renewed_creds not found in -lkrb5)
4105     use_ads=no
4106   fi
4107
4108   if test x"$ac_cv_func_ext_krb5_principal_compare_any_realm" != x"yes"
4109   then
4110     AC_MSG_WARN(krb5_principal_compare_any_realm not found in -lkrb5)
4111     use_ads=no
4112   fi
4113
4114   if test x"$ac_cv_func_ext_krb5_principal2salt" != x"yes" -o \
4115           x"$ac_cv_func_ext_krb5_c_string_to_key" != x"yes"
4116   then
4117         if test x"$ac_cv_func_ext_krb5_get_pw_salt" != x"yes" -o \
4118              x"$ac_cv_func_ext_krb5_string_to_key_salt" != x"yes"
4119         then
4120               AC_MSG_WARN(no CREATE_KEY_FUNCTIONS detected)
4121               use_ads=no
4122         fi
4123   fi
4124
4125   if test x"$ac_cv_func_ext_krb5_get_permitted_enctypes" != x"yes" -a \
4126           x"$ac_cv_func_ext_krb5_get_default_in_tkt_etypes" != x"yes"
4127   then
4128     AC_MSG_WARN(no GET_ENCTYPES_FUNCTIONS detected)
4129     use_ads=no
4130   fi
4131
4132   if test x"$ac_cv_func_ext_krb5_kt_free_entry" != x"yes" -a \
4133           x"$ac_cv_func_ext_krb5_free_keytab_entry_contents" != x"yes"
4134   then
4135     AC_MSG_WARN(no KT_FREE_FUNCTION detected)
4136     use_ads=no
4137   fi
4138
4139   if test x"$ac_cv_func_ext_krb5_c_verify_checksum" != x"yes"
4140   then
4141     AC_MSG_WARN(krb5_c_verify_checksum not found in -lkrb5)
4142     use_ads=no
4143   fi
4144
4145   if test x"$ac_cv_func_ext_gss_wrap_iov" != x"yes" ; then
4146     AC_MSG_WARN(gss_wrap_iov not found in -lgssapi)
4147     use_ads=no
4148   fi
4149
4150   if test x"$ac_cv_func_ext_gss_get_name_attribute" != x"yes" ; then
4151     if test x"$ac_cv_func_ext_gsskrb5_extract_authz_data_from_sec_context" != x"yes" -o \
4152             x"$ac_cv_func_ext_gss_inquire_sec_context_by_oid" != x"yes"
4153     then
4154       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)
4155       use_ads=no
4156     fi
4157   fi
4158
4159   if test x"$use_ads" = x"yes"; then
4160     AC_DEFINE(WITH_ADS,1,[Whether to include Active Directory support])
4161     AC_DEFINE(HAVE_KRB5,1,[Whether to have KRB5 support])
4162   else
4163     if test x"$with_ads_support" = x"yes"; then
4164         AC_MSG_ERROR(krb5 libs don't have all features required for Active Directory support)
4165     else
4166         AC_MSG_WARN(krb5 libs don't have all features required for Active Directory support)
4167     fi
4168     AC_REMOVE_DEFINE(HAVE_KRB5_H)
4169     AC_REMOVE_DEFINE(HAVE_GSSAPI_H)
4170     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_GENERIC_H)
4171     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_H)
4172     AC_REMOVE_DEFINE(HAVE_GSSAPI)
4173     KRB5_LIBS=""
4174     with_ads_support=no
4175   fi
4176   AC_MSG_CHECKING(whether Active Directory and krb5 support is used)
4177   AC_MSG_RESULT([$use_ads])
4178
4179 LIBS="$ac_save_LIBS"
4180 fi
4181
4182 AC_CHECK_LIB_EXT(nscd, NSCD_LIBS, nscd_flush_cache)
4183 PASSDB_LIBS="$PASSDB_LIBS $NSCD_LIBS"
4184
4185
4186 ########################################################
4187 # Compile with DNS Updates support?
4188
4189 with_dnsupdate_support=auto
4190 AC_MSG_CHECKING([whether to enable DNS Updates support])
4191
4192 AC_ARG_WITH(dnsupdate,
4193 [AS_HELP_STRING([--with-dnsupdate], [Enable DNS Updates support (default=auto)])],