s3:smbd/utmp: remove ip address from utmp record
[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 fi
2242 # end utmp details
2243
2244 AC_CACHE_CHECK([for linux fallocate],samba_cv_HAVE_LINUX_FALLOCATE,[
2245 AC_TRY_COMPILE([
2246 #if defined(HAVE_UNISTD_H)
2247 #include <unistd.h>
2248 #endif
2249 #include <sys/types.h>
2250 #define _GNU_SOURCE
2251 #include <fcntl.h>
2252 #if defined(HAVE_LINUX_FALLOC_H)
2253 #include <linux/falloc.h>
2254 #endif],
2255 [int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2256 samba_cv_HAVE_LINUX_FALLOCATE=yes,samba_cv_HAVE_LINUX_FALLOCATE=no)])
2257 if test x"$samba_cv_HAVE_LINUX_FALLOCATE" = x"yes" && test x"$ac_cv_func_fallocate" = x"yes"; then
2258     AC_DEFINE(HAVE_LINUX_FALLOCATE,1,[Whether the Linux 'fallocate' function is available])
2259 fi
2260
2261 AC_CACHE_CHECK([for getcwd takes NULL],samba_cv_GETCWD_TAKES_NULL,[
2262 AC_TRY_RUN([
2263 #if defined(HAVE_UNISTD_H)
2264 #include <unistd.h>
2265 #endif
2266 main() { char *s = getcwd(NULL,0); if (s) return(0); return(1); }],
2267 samba_cv_GETCWD_TAKES_NULL=yes,samba_cv_GETCWD_TAKES_NULL=no,samba_cv_GETCWD_TAKES_NULL=cross)])
2268 if test x"$samba_cv_GETCWD_TAKES_NULL" = x"yes"; then
2269     AC_DEFINE(GETCWD_TAKES_NULL,1,[Whether the getcwd function takes NULL as an argument])
2270 fi
2271
2272 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2273 AC_ARG_WITH(libiconv,
2274 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2275 [
2276   if test "$withval" = "no" ; then
2277     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2278   else
2279      if test "$withval" != "yes" ; then
2280         ICONV_PATH_SPEC=yes
2281         ICONV_LOOK_DIRS="$withval"
2282      fi
2283   fi
2284 ])
2285
2286 for i in $ICONV_LOOK_DIRS ; do
2287
2288     save_LIBS="$LIBS"
2289     save_LDFLAGS="$LDFLAGS"
2290     save_CPPFLAGS="$CPPFLAGS"
2291
2292     iconv_current_LIBS=""
2293     iconv_current_LDFLAGS=""
2294     iconv_current_CPPFLAGS=""
2295
2296     ICONV_FOUND="no"
2297     unset libext
2298
2299     #  This is here to handle -withval stuff for --with-libiconv
2300     #  Perhaps we should always add a -L
2301     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2302
2303     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2304     # installation paths. This gets a little tricky since we might have iconv
2305     # in both libiconv and in libc. In this case the jm_ICONV test will always
2306     # succeed when the header is found. To counter this, make sure the
2307     # library directory is there and check the ABI directory first (which
2308     # should be harmless on other systems, but causes tons of linker warnings on
2309     # 64bit Ubuntu systems).
2310     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2311     # installed, I've decided to fix the linker warnings.
2312     # -- Kai
2313     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2314     for l in "lib" "lib32" "lib/hpux32"; do
2315         if test -d "$i/$l" ; then
2316                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2317                 LIBS=
2318                 export LDFLAGS LIBS CPPFLAGS
2319                 # Try to find iconv(3)
2320                 jm_ICONV($i/$l)
2321                 if test x"$ICONV_FOUND" = "xyes" ; then
2322                     libext="$l"
2323                     break
2324                 fi
2325         fi
2326     done
2327
2328     if test x"$ICONV_FOUND" = "xyes" ; then
2329         iconv_current_LDFLAGS="-L$i/$libext"
2330         iconv_current_CPPFLAGS="-I$i/include"
2331
2332         if test x"$jm_cv_lib_iconv" != x; then
2333             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2334         else
2335             # We found iconv in libc.
2336             iconv_current_LIBS=""
2337         fi
2338
2339     fi
2340
2341     if test x"$ICONV_FOUND" = "xyes" ; then
2342
2343         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2344         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2345         LIBS="$save_LIBS $iconv_current_LIBS"
2346         export LDFLAGS LIBS CPPFLAGS
2347
2348         default_dos_charset=no
2349         default_unix_charset=no
2350
2351         # check for default dos charset name
2352         for j in CP850 IBM850 ; do
2353             rjs_CHARSET($j)
2354             default_dos_charset="$ICONV_CHARSET"
2355             if test x"$default_dos_charset" = x"$j"; then
2356                 break
2357             fi
2358         done
2359
2360         # check for default unix charset name
2361         for j in UTF-8 UTF8 ; do
2362             rjs_CHARSET($j)
2363             default_unix_charset="$ICONV_CHARSET"
2364             if test x"$default_unix_charset" = x"$j"; then
2365                 break
2366             fi
2367         done
2368
2369         if test "$default_dos_charset" != "no" -a \
2370                 "$default_dos_charset" != "cross" -a \
2371                 "$default_unix_charset" != "no" -a \
2372                 "$default_unix_charset" != "cross"
2373         then
2374                 samba_cv_HAVE_NATIVE_ICONV=yes
2375         else
2376             if test "$default_dos_charset" = "cross" -o \
2377                      "$default_unix_charset" = "cross"
2378             then
2379                     samba_cv_HAVE_NATIVE_ICONV=cross
2380             else
2381                     samba_cv_HAVE_NATIVE_ICONV=no
2382             fi
2383         fi
2384
2385         # At this point, we have a libiconv candidate. We know that
2386         # we have the right headers and libraries, but we don't know
2387         # whether it does the conversions we want. We can't test this
2388         # because we are cross-compiling. This is not necessarily a big
2389         # deal, since we can't guarantee that the results we get now will
2390         # match the results we get at runtime anyway.
2391         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2392             default_dos_charset="CP850"
2393             default_unix_charset="UTF-8"
2394             samba_cv_HAVE_NATIVE_ICONV=yes
2395             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2396             AC_MSG_WARN([$default_dos_charset and $default_unix_charset to UCS-16LE])
2397         fi
2398
2399         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2400
2401             CPPFLAGS=$save_CPPFLAGS
2402             LDFLAGS=$save_LDFLAGS
2403             LIBS=$save_LIBS
2404
2405             if test x"$iconv_current_LIBS" != x; then
2406                 LIBS="$LIBS $iconv_current_LIBS"
2407             fi
2408
2409             # Add the flags we need to CPPFLAGS and LDFLAGS
2410             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2411             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2412
2413             # Turn the #defines into string literals
2414             default_dos_charset="\"$default_dos_charset\""
2415             default_unix_charset="\"$default_unix_charset\""
2416
2417             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2418             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2419             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2420
2421            break
2422         fi
2423
2424     # We didn't find a working iconv, so keep going
2425     fi
2426
2427     #  We only need to clean these up here for the next pass through the loop
2428     CPPFLAGS=$save_CPPFLAGS
2429     LDFLAGS=$save_LDFLAGS
2430     LIBS=$save_LIBS
2431     export LDFLAGS LIBS CPPFLAGS
2432 done
2433 unset libext
2434
2435
2436 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2437     AC_MSG_WARN([Sufficient support for iconv function was not found.
2438     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2439    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2440    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2441 fi
2442
2443
2444 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2445 AC_TRY_RUN([
2446 #include <sys/types.h>
2447 #include <fcntl.h>
2448 #ifndef F_GETLEASE
2449 #define F_GETLEASE      1025
2450 #endif
2451 main() {
2452        int fd = open("/dev/null", O_RDONLY);
2453        return fcntl(fd, F_GETLEASE, 0) == -1;
2454 }
2455 ],
2456 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2457 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2458     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2459 fi
2460
2461 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2462 AC_TRY_RUN([
2463 #include <sys/types.h>
2464 #include <fcntl.h>
2465 #include <signal.h>
2466 #ifndef F_NOTIFY
2467 #define F_NOTIFY 1026
2468 #endif
2469 main() {
2470         return(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2471 }
2472 ],
2473 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2474 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2475     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2476 fi
2477
2478 AC_CHECK_HEADER(sys/inotify.h)
2479
2480 if test x"ac_cv_header_sys_inotify_h" = x"yes"; then
2481     AC_DEFINE(HAVE_INOTIFY,1,[For inotify support])
2482 fi
2483
2484 #################################################
2485 # Check if FAM notifications are available. For FAM info, see
2486 #       http://oss.sgi.com/projects/fam/
2487 #       http://savannah.nongnu.org/projects/fam/
2488 AC_ARG_ENABLE(fam,
2489 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2490
2491 if test x$enable_fam != xno; then
2492     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2493     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2494         # On IRIX, libfam requires libC, but other FAM implementations
2495         # might not need it.
2496         AC_CHECK_LIB(fam, FAMOpen2,
2497             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam";
2498             AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2499             [samba_cv_HAVE_LIBFAM=no])
2500
2501         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2502             samba_fam_xtra=-lC
2503             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2504                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC";
2505                 AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2506                 [samba_cv_HAVE_LIBFAM=no])
2507             unset samba_fam_xtra
2508         fi
2509     fi
2510     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2511         default_shared_modules="$default_shared_modules vfs_notify_fam"
2512         AC_TRY_COMPILE([#include <fam.h>],
2513                     [enum FAMCodes code = FAMChanged;],
2514                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2515                         [Whether fam.h contains a typedef for enum FAMCodes]),
2516                     [])
2517     fi
2518
2519     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2520         AC_CHECK_LIB(fam, FAMNoExists,
2521             [AC_DEFINE(HAVE_FAMNOEXISTS, 1, Define to 1 if there is support for FAMNoExists)])
2522     fi
2523
2524     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2525         AC_MSG_ERROR(FAM support requested but FAM library not available )
2526     fi
2527 fi
2528
2529 AC_SUBST(SMB_FAM_LIBS)
2530
2531 #################################################
2532 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2533
2534
2535 with_dmapi_support=auto
2536 AC_MSG_CHECKING(whether to use DMAPI support)
2537 AC_ARG_WITH(dmapi,
2538 [AS_HELP_STRING([--with-dmapi], [Include DMAPI/XDSM support (default=auto)])],
2539 [ case "$withval" in
2540   yes|no)
2541     with_dmapi_support=$withval
2542     ;;
2543   esac ]
2544 )
2545 AC_MSG_RESULT([$with_dmapi_support])
2546
2547 if test x"$with_dmapi_support" != xno ; then
2548         SMB_CHECK_DMAPI([], [
2549                 AC_MSG_NOTICE(DMAPI support not present)
2550                 if test x"$with_dmapi_support" = xyes ; then
2551                         AC_MSG_ERROR(no DMAPI support found but requested!)
2552                 fi
2553                 ]
2554         )
2555 fi
2556
2557 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2558 # Theoretically it should work with AIX JFS2 too but this needs testing
2559 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2560     default_shared_modules="$default_shared_modules vfs_tsmsm"
2561 fi
2562
2563 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2564 AC_TRY_RUN([
2565 #include <sys/types.h>
2566 #include <fcntl.h>
2567 #include <signal.h>
2568 #include <sys/file.h>
2569 #ifndef LOCK_MAND
2570 #define LOCK_MAND       32
2571 #define LOCK_READ       64
2572 #endif
2573 main() {
2574         return(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2575 }
2576 ],
2577 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2578 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2579     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2580 fi
2581
2582
2583 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2584 AC_TRY_COMPILE([#include <sys/types.h>
2585 #include <fcntl.h>],
2586 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2587 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2588 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2589     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2590 fi
2591
2592 #################################################
2593 # Check for POSIX capability support
2594
2595 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2596     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2597     [], [])
2598
2599 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2600
2601     ac_save_LIBS=$LIBS
2602     AC_LIBTESTFUNC(cap, cap_get_proc)
2603
2604     AC_CACHE_CHECK([for POSIX capabilities],
2605             samba_cv_HAVE_POSIX_CAPABILITIES,
2606             [
2607                 AC_TRY_RUN([
2608 #include <sys/types.h>
2609 #include <sys/capability.h>
2610 main() {
2611  cap_t cap;
2612  cap_value_t vals[1];
2613  if (!(cap = cap_get_proc()))
2614    return(1);
2615  vals[0] = CAP_CHOWN;
2616  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2617  cap_set_proc(cap);
2618  return(0);
2619 }],
2620                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2621                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2622                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2623             ])
2624
2625 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2626     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2627             [Whether POSIX capabilities are available])
2628 else
2629     LIBS=$ac_save_LIBS
2630 fi
2631
2632 fi
2633
2634 #
2635 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2636 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2637 #
2638
2639 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2640 AC_TRY_COMPILE([#include <sys/types.h>
2641 #if defined(HAVE_RPC_RPC_H)
2642 #include <rpc/rpc.h>
2643 #endif],
2644 [int16 testvar;],
2645 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2646 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2647     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2648 fi
2649
2650 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2651 AC_TRY_COMPILE([#include <sys/types.h>
2652 #if defined(HAVE_RPC_RPC_H)
2653 #include <rpc/rpc.h>
2654 #endif],
2655 [uint16 testvar;],
2656 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2657 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2658     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2659 fi
2660
2661 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2662 AC_TRY_COMPILE([#include <sys/types.h>
2663 #if defined(HAVE_RPC_RPC_H)
2664 #include <rpc/rpc.h>
2665 #endif],
2666 [int32 testvar;],
2667 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2668 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2669     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2670 fi
2671
2672 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2673 AC_TRY_COMPILE([#include <sys/types.h>
2674 #if defined(HAVE_RPC_RPC_H)
2675 #include <rpc/rpc.h>
2676 #endif],
2677 [uint32 testvar;],
2678 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2679 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2680     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2681 fi
2682
2683 dnl
2684 dnl Some systems (SCO) have a problem including
2685 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2686 dnl as a #define in <prot.h> and as part of an enum
2687 dnl in <rpc/rpc.h>.
2688 dnl
2689
2690 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2691 AC_TRY_COMPILE([#include <sys/types.h>
2692 #ifdef HAVE_SYS_SECURITY_H
2693 #include <sys/security.h>
2694 #include <prot.h>
2695 #endif  /* HAVE_SYS_SECURITY_H */
2696 #if defined(HAVE_RPC_RPC_H)
2697 #include <rpc/rpc.h>
2698 #endif],
2699 [int testvar;],
2700 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2701 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2702     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2703 fi
2704
2705 AC_MSG_CHECKING([for test routines])
2706 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
2707            AC_MSG_RESULT(yes),
2708            AC_MSG_ERROR([cant find test code. Aborting config]),
2709            AC_MSG_WARN([cannot run when cross-compiling]))
2710
2711 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2712 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
2713            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2714 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2715     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2716 fi
2717
2718 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2719 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
2720            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2721 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2722     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2723 fi
2724
2725 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2726 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2727 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2728 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2729 AC_CHECK_FUNCS(getpagesize)
2730
2731 ################################################
2732 # look for a method of setting the effective uid
2733 seteuid=no;
2734
2735 ################################################
2736 # Start by checking for 32-bit system call definitions on Linux.
2737
2738 case "$host_os" in
2739 *linux*)
2740 AC_CACHE_CHECK([for Linux 32-bit system calls],samba_cv_USE_LINUX_32BIT_SYSCALLS,[
2741 AC_TRY_COMPILE([
2742 #if defined(HAVE_UNISTD_H)
2743 #include <unistd.h>
2744 #endif
2745 #include <stdlib.h>
2746 #include <stdio.h>
2747 #include <sys/types.h>
2748 #include <errno.h>
2749
2750 #ifdef HAVE_SYS_PRIV_H
2751 #include <sys/priv.h>
2752 #endif
2753 #ifdef HAVE_SYS_ID_H
2754 #include <sys/id.h>
2755 #endif
2756
2757 #if defined(HAVE_SYSCALL_H)
2758 #include <syscall.h>
2759 #endif
2760
2761 #if defined(HAVE_SYS_SYSCALL_H)
2762 #include <sys/syscall.h>
2763 #endif
2764 ],
2765 [
2766 syscall(SYS_setresuid32, -1, -1, -1);
2767 syscall(SYS_setresgid32, -1, -1, -1);
2768 syscall(SYS_setreuid32, -1, -1);
2769 syscall(SYS_setregid32, -1, -1);
2770 syscall(SYS_setuid32, -1);
2771 syscall(SYS_setgid32, -1);
2772 syscall(SYS_setgroups32, 0, NULL);
2773 ], samba_cv_USE_LINUX_32BIT_SYSCALLS=yes,samba_cv_USE_LINUX_32BIT_SYSCALLS=no,samba_cv_USE_LINUX_32BIT_SYSCALLS=cross)])
2774
2775 if test x"$samba_cv_USE_LINUX_32BIT_SYSCALLS" = x"yes"; then
2776     AC_DEFINE(USE_LINUX_32BIT_SYSCALLS,1,[Use Linux 32-bit system calls])
2777     AC_CACHE_CHECK([for Linux thread-specific credentials with 32-bit system calls],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2778     AC_TRY_RUN([
2779 #define AUTOCONF_TEST 1
2780 #define USE_LINUX_THREAD_CREDENTIALS 1
2781 #define USE_LINUX_32BIT_SYSCALLS 1
2782 #include "${srcdir-.}/../lib/util/setid.c"
2783 #include "${srcdir-.}/lib/util_sec.c"],
2784            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2785 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2786     seteuid=yes;
2787     AC_DEFINE(USE_LINUX_THREAD_CREDENTIALS,1,[Whether we can use Linux thread-specific credentials with 32-bit system calls])
2788 fi
2789 fi
2790
2791 if test $seteuid = no; then
2792 AC_CACHE_CHECK([for Linux thread-specific credentials],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2793 AC_TRY_RUN([
2794 #define AUTOCONF_TEST 1
2795 #define USE_LINUX_THREAD_CREDENTIALS 1
2796 #include "${srcdir-.}/../lib/util/setid.c"
2797 #include "${srcdir-.}/lib/util_sec.c"],
2798            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2799 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2800     seteuid=yes;AC_DEFINE(USE_LINUX_THREAD_CREDENTIALS,1,[Whether we can use Linux thread-specific credentials])
2801 fi
2802 fi
2803
2804 ;;
2805 esac
2806
2807 if test $seteuid = no; then
2808 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2809 AC_TRY_RUN([
2810 #define AUTOCONF_TEST 1
2811 #define USE_SETREUID 1
2812 #include "confdefs.h"
2813 #include "${srcdir-.}/../lib/util/setid.c"
2814 #include "${srcdir-.}/lib/util_sec.c"],
2815            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2816 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2817     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2818 fi
2819 fi
2820
2821 # we check for setresuid second as it conflicts with AIO on Linux. 
2822 # see http://samba.org/~tridge/junkcode/aio_uid.c
2823 if test $seteuid = no; then
2824 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2825 AC_TRY_RUN([
2826 #define AUTOCONF_TEST 1
2827 #define USE_SETRESUID 1
2828 #include "confdefs.h"
2829 #include "${srcdir-.}/../lib/util/setid.c"
2830 #include "${srcdir-.}/lib/util_sec.c"],
2831            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2832 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2833     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2834 fi
2835 fi
2836
2837 if test $seteuid = no; then
2838 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2839 AC_TRY_RUN([
2840 #define AUTOCONF_TEST 1
2841 #define USE_SETEUID 1
2842 #include "confdefs.h"
2843 #include "${srcdir-.}/../lib/util/setid.c"
2844 #include "${srcdir-.}/lib/util_sec.c"],
2845            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2846 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2847     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2848 fi
2849 fi
2850
2851 if test $seteuid = no; then
2852 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2853 AC_TRY_RUN([
2854 #define AUTOCONF_TEST 1
2855 #define USE_SETUIDX 1
2856 #include "confdefs.h"
2857 #include "${srcdir-.}/../lib/util/setid.c"
2858 #include "${srcdir-.}/lib/util_sec.c"],
2859            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2860 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2861     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2862 fi
2863 fi
2864
2865 AC_CACHE_CHECK([for the Darwin initgroups system call],
2866         samba_cv_DARWIN_INITGROUPS,
2867         AC_TRY_LINK([
2868 #include <sys/syscall.h>
2869 #include <unistd.h>
2870         ],
2871         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2872         samba_cv_DARWIN_INITGROUPS=yes,
2873         samba_cv_DARWIN_INITGROUPS=no)
2874 )
2875
2876 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2877     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2878         [Whether to use the Darwin-specific initgroups system call])
2879 fi
2880
2881 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2882 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
2883            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2884 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2885     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2886 fi
2887
2888 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
2889 AC_CACHE_CHECK([for broken posix_fallocate],samba_cv_HAVE_BROKEN_POSIX_FALLOCATE,[
2890 AC_TRY_COMPILE([
2891   #define _XOPEN_SOURCE 600
2892   #include <stdlib.h>
2893   #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
2894   #error probably broken posix_fallocate
2895   #endif
2896 ], [
2897 ], 
2898 samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=no,samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=yes)])
2899 if test x"$samba_cv_HAVE_BROKEN_POSIX_FALLOCATE" = xyes; then
2900         AC_DEFINE(HAVE_BROKEN_POSIX_FALLOCATE, 1, Whether we have a broken posix_fallocate)
2901 fi
2902
2903
2904 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2905 AC_TRY_COMPILE([#include <sys/types.h>
2906 #include <sys/stat.h>
2907 #include <unistd.h>],
2908 [struct stat st;  st.st_blocks = 0;],
2909 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2910 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2911     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2912 fi
2913
2914 AC_CACHE_CHECK([for 32 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_4,[
2915 AC_TRY_RUN([
2916 #if defined(HAVE_UNISTD_H)
2917 #include <unistd.h>
2918 #endif
2919 #include <stdio.h>
2920 #include <sys/types.h>
2921 #include <sys/stat.h>
2922 main() { return((sizeof(blkcnt_t) == 4) ? 0 : 1); }],
2923 samba_cv_SIZEOF_BLKCNT_T_4=yes,samba_cv_SIZEOF_BLKCNT_T_4=no,samba_cv_SIZEOF_BLKCNT_T_4=cross)])
2924 if test x"$samba_cv_SIZEOF_BLKCNT_T_4" = x"yes"; then
2925     AC_DEFINE(SIZEOF_BLKCNT_T_4,1,[The size of the 'blkcnt_t' type])
2926 fi
2927
2928 AC_CACHE_CHECK([for 64 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_8,[
2929 AC_TRY_RUN([
2930 #if defined(HAVE_UNISTD_H)
2931 #include <unistd.h>
2932 #endif
2933 #include <stdio.h>
2934 #include <sys/types.h>
2935 #include <sys/stat.h>
2936 main() { return((sizeof(blkcnt_t) == 8) ? 0 : 1); }],
2937 samba_cv_SIZEOF_BLKCNT_T_8=yes,samba_cv_SIZEOF_BLKCNT_T_8=no,samba_cv_SIZEOF_BLKCNT_T_8=cross)])
2938 if test x"$samba_cv_SIZEOF_BLKCNT_T_8" = x"yes"; then
2939     AC_DEFINE(SIZEOF_BLKCNT_T_8,1,[The size of the 'blkcnt_t' type])
2940 fi
2941
2942 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2943 AC_TRY_COMPILE([#include <sys/types.h>
2944 #include <sys/stat.h>
2945 #include <unistd.h>],
2946 [struct stat st;  st.st_blksize = 0;],
2947 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2948 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2949     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2950 fi
2951
2952 AC_CACHE_CHECK([for st_flags in struct stat],
2953         samba_cv_HAVE_STAT_ST_FLAGS,
2954         [
2955             AC_TRY_COMPILE([#include <sys/types.h>
2956 #include <sys/stat.h>
2957 #include <unistd.h>],
2958             [struct stat st;  st.st_flags = 0;],
2959             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2960             samba_cv_HAVE_STAT_ST_FLAGS=no,
2961             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2962         ])
2963
2964 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
2965     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
2966                 [Whether the stat struct has a st_flags member])
2967 fi
2968
2969 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
2970 AC_TRY_COMPILE([
2971 #include <sys/types.h>
2972 #include <sys/acl.h>
2973 #if defined(HAVE_RPCSVC_NIS_H)
2974 #include <rpcsvc/nis.h>
2975 #endif],
2976 [int i;],
2977 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
2978 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
2979         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
2980 fi
2981
2982 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
2983 AC_TRY_RUN([
2984 #include <stdio.h>
2985 #include <limits.h>
2986 #include <signal.h>
2987
2988 void exit_on_core(int ignored) {
2989         exit(1);
2990 }
2991
2992 main() {
2993         char *newpath;
2994         signal(SIGSEGV, exit_on_core);
2995         newpath = realpath("/tmp", NULL);
2996         return((newpath != NULL) ? 0 : 1);
2997 }
2998 ],
2999 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
3000 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
3001     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
3002 fi
3003
3004 #################################################
3005 # check for AFS clear-text auth support
3006 samba_cv_WITH_AFS=no
3007 AC_MSG_CHECKING(whether to use AFS clear-text auth)
3008 AC_ARG_WITH(afs,
3009 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
3010 [ case "$withval" in
3011   yes|auto)
3012     AC_MSG_RESULT($withval)
3013     samba_cv_WITH_AFS=$withval
3014     ;;
3015   *)
3016     AC_MSG_RESULT(no)
3017     ;;
3018   esac ],
3019   AC_MSG_RESULT(no)
3020 )
3021
3022 ####################################################
3023 # check for Linux-specific AFS fake-kaserver support
3024 samba_cv_WITH_FAKE_KASERVER=no
3025 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
3026 AC_ARG_WITH(fake-kaserver,
3027 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
3028 [ case "$withval" in
3029   yes|auto)
3030     AC_MSG_RESULT($withval)
3031     samba_cv_WITH_FAKE_KASERVER=$withval
3032     ;;
3033   *)
3034     AC_MSG_RESULT(no)
3035     ;;
3036   esac ],
3037   AC_MSG_RESULT(no)
3038 )
3039
3040 #################################################
3041 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
3042 if test x"$samba_cv_WITH_AFS" != x"no" ||
3043    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
3044
3045     # see if this box has the OpenSSL DES libraries
3046     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
3047
3048     # see if this box has the afs-headers in /usr/include/afs
3049     AC_MSG_CHECKING(for /usr/include/afs)
3050     if test -d /usr/include/afs; then
3051           AC_MSG_RESULT(yes)
3052     else
3053       AC_MSG_RESULT(no)
3054     fi
3055
3056     # check for afs.h
3057     have_afs_headers=no
3058     AC_CHECK_HEADERS(afs.h afs/afs.h)
3059     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
3060         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
3061            test x"$samba_cv_WITH_AFS" = x"auto"; then
3062                 AC_MSG_WARN([AFS cannot be supported without afs.h])
3063         else
3064                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
3065         fi
3066     else
3067         have_afs_headers=yes
3068     fi
3069 fi
3070
3071 FAKE_KASERVER_OBJ=""
3072 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
3073     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
3074     FAKE_KASERVER_OBJ="utils/net_afs.o"
3075 fi
3076 AC_SUBST(FAKE_KASERVER_OBJ)
3077
3078 #################################################
3079 # check whether to compile AFS/NT ACL mapping module
3080 samba_cv_WITH_VFS_AFSACL=no
3081 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
3082 AC_ARG_WITH(vfs-afsacl,
3083 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
3084 [ case "$withval" in
3085   yes|auto)
3086     AC_MSG_RESULT($withval)
3087     samba_cv_WITH_VFS_AFSACL=yes
3088     ;;
3089   *)
3090     AC_MSG_RESULT(no)
3091     ;;
3092   esac ],
3093   AC_MSG_RESULT(no)
3094 )
3095
3096 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
3097    default_shared_modules="$default_shared_modules vfs_afsacl"
3098 fi
3099         
3100 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
3101     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
3102 fi
3103
3104 #################################################
3105 # check for the DFS clear-text auth system
3106 AC_MSG_CHECKING(whether to use DFS clear-text auth)
3107 AC_ARG_WITH(dfs,
3108 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
3109 [ case "$withval" in
3110   yes)
3111     AC_MSG_RESULT(yes)
3112     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
3113     ;;
3114   *)
3115     AC_MSG_RESULT(no)
3116     ;;
3117   esac ],
3118   AC_MSG_RESULT(no)
3119 )
3120
3121 ########################################################
3122 # Compile with LDAP support?
3123
3124 with_ldap_support=auto
3125 AC_MSG_CHECKING([for LDAP support])
3126
3127 AC_ARG_WITH(ldap,
3128 [AS_HELP_STRING([--with-ldap], [LDAP support (default=auto)])],
3129 [ case "$withval" in
3130     yes|no)
3131         with_ldap_support=$withval
3132         ;;
3133   esac ])
3134
3135 AC_MSG_RESULT($with_ldap_support)
3136
3137 SMBLDAP=""
3138 AC_SUBST(SMBLDAP)
3139
3140 if test x"$with_ldap_support" != x"no"; then
3141
3142   ##################################################################
3143   # first test for ldap.h and lber.h
3144   # (ldap.h is required for this test)
3145   AC_CHECK_HEADERS(ldap.h lber.h)
3146
3147   if test x"$ac_cv_header_ldap_h" != x"yes"; then
3148         if test x"$with_ldap_support" = x"yes"; then
3149          AC_MSG_ERROR(ldap.h is needed for LDAP support)
3150         else
3151          AC_MSG_WARN(ldap.h is needed for LDAP support)
3152         fi
3153         
3154         with_ldap_support=no
3155   fi
3156
3157   ##################################################################
3158   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
3159   # unsigned int in include/includes.h
3160   case $host_os in
3161         *hpux*)
3162          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3163          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
3164         with_ldap_support=yes
3165         ;;
3166         *)
3167         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
3168         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
3169                 if test x"$with_ldap_support" = x"yes"; then
3170                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3171                 else
3172                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3173                 fi
3174                 with_ldap_support=no
3175         fi
3176         ;;
3177   esac
3178 fi
3179
3180 if test x"$with_ldap_support" != x"no"; then
3181   ac_save_LIBS=$LIBS
3182
3183   ##################################################################
3184   # we might need the lber lib on some systems. To avoid link errors
3185   # this test must be before the libldap test
3186   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3187
3188   ########################################################
3189   # If ber_sockbuf_add_io() is available we can add
3190   # SASL wrapping hooks
3191   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3192
3193   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3194                  AC_TRY_COMPILE([#include <ldap.h>],
3195                                 [int val = LDAP_OPT_SOCKBUF;],
3196                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3197                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3198
3199   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3200           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3201         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3202   fi
3203
3204   #######################################################
3205   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3206   # ldap logging and print it out in the samba logs
3207   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3208                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3209                  [AC_TRY_COMPILE([#include <lber.h>],
3210                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3211                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3212                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3213
3214   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3215         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3216                   [Support for LDAP/LBER logging interception])
3217   fi
3218
3219   ########################################################
3220   # now see if we can find the ldap libs in standard paths
3221   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3222
3223   ########################################################
3224   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3225   # Check found in pam_ldap 145.
3226   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3227
3228   LIBS="$LIBS $LDAP_LIBS"
3229   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3230     AC_TRY_COMPILE([
3231         #include <lber.h>
3232         #include <ldap.h>],
3233         [ldap_set_rebind_proc(0, 0, 0);],
3234         [smb_ldap_cv_ldap_set_rebind_proc=3],
3235         [smb_ldap_cv_ldap_set_rebind_proc=2]
3236     )
3237   ])
3238
3239   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3240
3241   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3242
3243   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3244     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3245     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3246     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3247     default_shared_modules="$default_shared_modules";
3248     SMBLDAP="lib/smbldap.o"
3249     with_ldap_support=yes
3250     AC_MSG_CHECKING(whether LDAP support is used)
3251     AC_MSG_RESULT(yes)
3252   else
3253     if test x"$with_ldap_support" = x"yes"; then
3254         AC_MSG_ERROR(libldap is needed for LDAP support)
3255     else
3256         AC_MSG_WARN(libldap is needed for LDAP support)
3257     fi
3258
3259     LDAP_LIBS=""
3260     with_ldap_support=no
3261   fi
3262   LIBS=$ac_save_LIBS
3263 fi
3264
3265
3266 #################################################
3267 # active directory support
3268
3269 with_ads_support=auto
3270 AC_MSG_CHECKING([for Active Directory and krb5 support])
3271
3272 AC_ARG_WITH(ads,
3273 [AS_HELP_STRING([--with-ads], [Active Directory support (default=auto)])],
3274 [ case "$withval" in
3275     yes|no)
3276         with_ads_support="$withval"
3277         ;;
3278   esac ])
3279
3280 AC_MSG_RESULT($with_ads_support)
3281
3282 FOUND_KRB5=no
3283 KRB5_LIBS=""
3284
3285 if test x"$with_ldap_support" != x"yes"; then
3286
3287     if test x"$with_ads_support" = x"yes"; then
3288         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3289     elif test x"$with_ads_support" = x"auto"; then
3290         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3291         with_ads_support=no
3292     fi
3293
3294 else
3295
3296     # Check to see whether there is enough LDAP functionality to be able
3297     # to build AD support.
3298
3299 # HPUX and Solaris only has ldap_init; ok, we take care of this in smbldap.c
3300 case "$host_os" in
3301         *hpux* | *solaris*)
3302     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3303
3304     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3305         if test x"$with_ads_support" = x"yes"; then
3306             AC_MSG_ERROR(Active Directory support on HPUX or Solaris requires ldap_init)
3307         elif test x"$with_ads_support" = x"auto"; then
3308             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX or Solaris))
3309             with_ads_support=no
3310         fi
3311     fi
3312     ;;
3313         *)
3314     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3315
3316     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3317         if test x"$with_ads_support" = x"yes"; then
3318             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3319         elif test x"$with_ads_support" = x"auto"; then
3320             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3321             with_ads_support=no
3322         fi
3323     fi
3324     ;;
3325 esac
3326
3327
3328     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3329
3330     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3331         if test x"$with_ads_support" = x"yes"; then
3332             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3333         elif test x"$with_ads_support" = x"auto"; then
3334             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3335             with_ads_support=no
3336         fi
3337     fi
3338
3339 fi
3340
3341 if test x"$with_ads_support" != x"no"; then
3342
3343   # Do no harm to the values of CFLAGS and LIBS while testing for
3344   # Kerberos support.
3345
3346   if test x$FOUND_KRB5 = x"no"; then
3347     #################################################
3348     # check for location of Kerberos 5 install
3349     AC_MSG_CHECKING(for kerberos 5 install path)
3350     AC_ARG_WITH(krb5,
3351     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3352     [ case "$withval" in
3353       no)
3354         AC_MSG_RESULT(no krb5-path given)
3355         ;;
3356       yes)
3357         AC_MSG_RESULT(/usr)
3358         ;;
3359       *)
3360         AC_MSG_RESULT($withval)
3361         KRB5_CFLAGS="-I$withval/include"
3362         KRB5_CPPFLAGS="-I$withval/include"
3363         KRB5_LDFLAGS="-L$withval/lib"
3364         FOUND_KRB5=yes
3365         if test -x "$withval/bin/krb5-config"; then
3366                 KRB5CONFIG=$withval/bin/krb5-config
3367         fi
3368         ;;
3369       esac ],
3370       AC_MSG_RESULT(no krb5-path given)
3371     )
3372   fi
3373
3374   #################################################
3375   # check for krb5-config from recent MIT and Heimdal kerberos 5
3376   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3377   AC_MSG_CHECKING(for working krb5-config)
3378   if test -x "$KRB5CONFIG" && $KRB5CONFIG --libs gssapi > /dev/null ; then
3379     ac_save_CFLAGS=$CFLAGS
3380     CFLAGS="";export CFLAGS
3381     ac_save_LDFLAGS=$LDFLAGS
3382     LDFLAGS="";export LDFLAGS
3383     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3384     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3385     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3386     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3387     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3388     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3389     FOUND_KRB5=yes
3390     AC_MSG_RESULT(yes)
3391   else
3392     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3393   fi
3394
3395   if test x$FOUND_KRB5 = x"no"; then
3396     #################################################
3397     # see if this box has the SuSE location for the heimdal krb implementation
3398     AC_MSG_CHECKING(for /usr/include/heimdal)
3399     if test -d /usr/include/heimdal; then
3400       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3401           KRB5_CFLAGS="-I/usr/include/heimdal"
3402           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3403           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3404           FOUND_KRB5=yes
3405           AC_MSG_RESULT(yes)
3406       else
3407           KRB5_CFLAGS="-I/usr/include/heimdal"
3408           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3409           FOUND_KRB5=yes
3410           AC_MSG_RESULT(yes)
3411       fi
3412     else
3413       AC_MSG_RESULT(no)
3414     fi
3415   fi
3416
3417   if test x$FOUND_KRB5 = x"no"; then
3418     #################################################
3419     # see if this box has the RedHat location for kerberos
3420     AC_MSG_CHECKING(for /usr/kerberos)
3421     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3422       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3423       KRB5_CFLAGS="-I/usr/kerberos/include"
3424       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3425       FOUND_KRB5=yes
3426       AC_MSG_RESULT(yes)
3427     else
3428       AC_MSG_RESULT(no)
3429     fi
3430   fi
3431
3432   if test x$FOUND_KRB5 = x"no"; then
3433     #################################################
3434     # see if this box has the OpenBSD location for heimdal krb5
3435     AC_MSG_CHECKING(for /usr/include/kerberosV)
3436     if test -d /usr/include/kerberosV; then
3437       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3438       KRB5_LIBS="-lcrypto"
3439       FOUND_KRB5=yes
3440       AC_MSG_RESULT(yes)
3441     else
3442       AC_MSG_RESULT(no)
3443     fi
3444   fi
3445
3446   if test x$FOUND_KRB5 = x"no"; then
3447     #################################################
3448     # see if this box has Solaris MIT kerberos implementation
3449     AC_MSG_CHECKING(for Solaris MIT kerberos)
3450     if test -x "$KRB5CONFIG" && $KRB5CONFIG --version | grep -s Solaris | grep -s MIT > /dev/null ; then
3451        FOUND_KRB5=yes
3452        KRB5_LIBS="-lgss -lkrb5"
3453        KRB5_CFLAGS="`$KRB5CONFIG --cflags`"
3454        KRB5_CPPFLAGS="`$KRB5CONFIG --cflags`"
3455        AC_MSG_RESULT(yes)
3456     else
3457       AC_MSG_RESULT(no)
3458     fi
3459   fi
3460
3461   ac_save_CFLAGS=$CFLAGS
3462   ac_save_CPPFLAGS=$CPPFLAGS
3463   ac_save_LDFLAGS=$LDFLAGS
3464
3465   # remove needless evil rpath stuff as early as possible:
3466   LIB_REMOVE_USR_LIB(KRB5_LIBS)
3467   LIB_REMOVE_USR_LIB(KRB5_LDFLAGS)
3468   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3469   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3470   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3471
3472   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3473
3474   # now check for krb5.h. Some systems have the libraries without the headers!
3475   # note that this check is done here to allow for different kerberos
3476   # include paths
3477   AC_CHECK_HEADERS(krb5.h)
3478
3479   if test x"$ac_cv_header_krb5_h" = x"no"; then
3480
3481     # Give a warning if AD support was not explicitly requested,
3482     # i.e with_ads_support = auto, otherwise die with an error.
3483
3484     if test x"$with_ads_support" = x"yes"; then
3485       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3486     else
3487       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3488     fi
3489
3490     # Turn off AD support and restore CFLAGS and LIBS variables
3491
3492     with_ads_support="no"
3493
3494     CFLAGS=$ac_save_CFLAGS
3495     CPPFLAGS=$ac_save_CPPFLAGS
3496     LDFLAGS=$ac_save_LDFLAGS
3497   fi
3498
3499   # check for new heimdal KRB5_DEPRECATED handling
3500
3501   AC_CACHE_CHECK([for KRB5_DEPRECATED define taking an identifier],
3502                 samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER,[
3503     AC_TRY_COMPILE(
3504       [#define KRB5_DEPRECATED 1
3505       #include <krb5.h>],
3506       [],
3507       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=yes,
3508       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=no)])
3509
3510   if test x"$samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER" = x"yes"; then
3511     AC_DEFINE(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER, 1,
3512                [Whether to use deprecated krb5 interfaces])
3513   fi
3514 fi
3515
3516 # Now we have determined whether we really want ADS support
3517 use_ads=no
3518 if test x"$with_ads_support" != x"no"; then
3519   use_ads=yes
3520   have_gssapi=no
3521   ac_save_LIBS=$LIBS
3522
3523   # now check for gssapi headers.  This is also done here to allow for
3524   # different kerberos include paths
3525   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h)
3526
3527   ##################################################################
3528   # we might need the k5crypto and com_err libraries on some systems
3529   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3530   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3531
3532   # Heimdal checks.
3533   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3534   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3535   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3536
3537   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3538   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3539
3540   ########################################################
3541   # now see if we can find the krb5 libs in standard paths
3542   # or as specified above
3543   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3544   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3545
3546   ########################################################
3547   # now see if we can find the gssapi libs in standard paths
3548   if test x"$have_gssapi" != x"yes"; then
3549      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3550      AC_CHECK_LIB_EXT(gss, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3551   fi
3552   ################################################################
3553   # test for AD / GSSAPI support being enabled
3554   if test x"$have_gssapi" != xyes ; then
3555         AC_MSG_WARN([Samba cannot be supported without GSSAPI])
3556         use_ads=no
3557   else
3558         AC_DEFINE(HAVE_GSSAPI, , [Whether the platform has GSSAPI support])
3559   fi
3560
3561   # This is for FreeBSD (and possibly others). gss_mech_krb5 is a
3562   # #define to GSS_KRB5_MECHANISM, which is defined in -lgssapi_krb5
3563   # Also, gsskrb5_extract_authz_data_from_sec_context is in -lgssapi_krb5
3564   AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS, GSS_KRB5_MECHANISM,
3565                    [KRB5_LIBS="$KRB5_LIBS -lgssapi_krb5"])
3566
3567   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3568   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3569   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3570   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3571   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3572   AC_CHECK_FUNC_EXT(krb5_c_string_to_key, $KRB5_LIBS)
3573   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3574   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3575   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3576   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3577   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3578   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3579   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3580   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3581   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3582   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3583   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3584   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3585   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3586   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3587   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3588   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3589   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3590   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3591   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3592   AC_CHECK_FUNC_EXT(krb5_make_principal, $KRB5_LIBS)
3593   AC_CHECK_FUNC_EXT(krb5_principal_get_num_comp, $KRB5_LIBS)
3594   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3595   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3596   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3597   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3598   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3599   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3600   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3601   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3602   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3603   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3604   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_alloc, $KRB5_LIBS)
3605   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_set_impersonate, $KRB5_LIBS)
3606   AC_CHECK_FUNC_EXT(krb5_get_creds, $KRB5_LIBS)
3607   AC_CHECK_FUNC_EXT(krb5_get_credentials_for_user, $KRB5_LIBS)
3608   AC_CHECK_FUNC_EXT(krb5_get_host_realm, $KRB5_LIBS)
3609   AC_CHECK_FUNC_EXT(krb5_free_host_realm, $KRB5_LIBS)
3610   AC_CHECK_FUNC_EXT(krb5_get_init_creds_keytab, $KRB5_LIBS)
3611   AC_CHECK_FUNC_EXT(krb5_build_principal_alloc_va, $KRB5_LIBS)
3612   AC_CHECK_FUNC_EXT(krb5_cc_get_lifetime, $KRB5_LIBS)
3613   AC_CHECK_FUNC_EXT(krb5_cc_retrieve_cred, $KRB5_LIBS)
3614   AC_CHECK_FUNC_EXT(krb5_free_checksum_contents, $KRB5_LIBS)
3615   AC_CHECK_FUNC_EXT(krb5_create_checksum, $KRB5_LIBS)
3616   AC_CHECK_FUNC_EXT(krb5_c_make_checksum, $KRB5_LIBS)
3617   AC_CHECK_FUNC_EXT(gss_krb5_import_cred, $KRB5_LIBS)
3618   AC_CHECK_FUNC_EXT(gss_get_name_attribute, $KRB5_LIBS)
3619   AC_CHECK_FUNC_EXT(gsskrb5_extract_authz_data_from_sec_context, $KRB5_LIBS)
3620   AC_CHECK_FUNC_EXT(gss_mech_krb5, $KRB5_LIBS)
3621   AC_CHECK_FUNC_EXT(gss_oid_equal, $KRB5_LIBS)
3622   AC_CHECK_FUNC_EXT(gss_inquire_sec_context_by_oid, $KRB5_LIBS)
3623   AC_CHECK_FUNC_EXT(gss_wrap_iov, $KRB5_LIBS)
3624
3625   # MIT krb5 1.8 does not expose this call (yet)
3626   AC_CHECK_DECLS(krb5_get_credentials_for_user, [], [], [#include <krb5.h>])
3627
3628   # MIT krb5 1.7beta3 (in Ubuntu Karmic) does not have this declaration
3629   # but does have the symbol
3630   AC_CHECK_DECLS(krb5_auth_con_set_req_cksumtype, [], [], [#include <krb5.h>])
3631
3632   LIBS="$KRB5_LIBS $LIBS"
3633
3634   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3635           smb_krb5_cv_creds_opt_free_context,
3636           [
3637                 AC_TRY_COMPILE([
3638                     #include <krb5.h>],
3639                     [
3640                         krb5_context ctx;
3641                         krb5_get_init_creds_opt *opt = NULL;
3642                         krb5_get_init_creds_opt_free(ctx, opt);
3643                     ],
3644                     [smb_krb5_cv_creds_opt_free_context=yes],
3645                     [smb_krb5_cv_creds_opt_free_context=no]
3646                 )
3647           ])
3648
3649   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3650         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3651             [Whether krb5_get_init_creds_opt_free takes a context argument])
3652   fi
3653
3654   AC_CACHE_CHECK([for checksum in krb5_checksum],
3655                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3656     AC_TRY_COMPILE([#include <krb5.h>],
3657       [krb5_checksum cksum; cksum.checksum.length = 0;],
3658       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3659       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3660
3661   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3662     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3663                [Whether the krb5_checksum struct has a checksum property])
3664   fi
3665
3666   AC_CACHE_CHECK([for etype in EncryptedData],
3667                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3668     AC_TRY_COMPILE([#include <krb5.h>],
3669       [EncryptedData edata; edata.etype = 0;],
3670       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3671       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3672
3673   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3674     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3675                [Whether the EncryptedData struct has a etype property])
3676   fi
3677
3678   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3679                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3680     AC_TRY_COMPILE([#include <krb5.h>],
3681       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3682       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3683       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3684
3685   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
3686     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
3687                [Whether the krb5_ap_req struct has a ticket pointer])
3688   fi
3689
3690   AC_CACHE_CHECK([for e_data pointer in krb5_error],
3691                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
3692     AC_TRY_COMPILE([#include <krb5.h>],
3693       [krb5_error err; err.e_data = NULL;],
3694       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
3695       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
3696
3697   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
3698     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
3699                [Whether the krb5_error struct has a e_data pointer])
3700   fi
3701
3702   AC_CACHE_CHECK([for krb5_crypto type],
3703                 samba_cv_HAVE_KRB5_CRYPTO,[
3704     AC_TRY_COMPILE([#include <krb5.h>],
3705       [krb5_crypto crypto;],
3706       samba_cv_HAVE_KRB5_CRYPTO=yes,
3707       samba_cv_HAVE_KRB5_CRYPTO=no)])
3708
3709   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
3710     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
3711                [Whether the type krb5_crypto exists])
3712   fi
3713
3714   AC_CACHE_CHECK([for addrtype in krb5_address],
3715                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
3716     AC_TRY_COMPILE([#include <krb5.h>],
3717       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
3718       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
3719       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
3720
3721   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
3722     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
3723                [Whether the krb5_address struct has a addrtype property])
3724   fi
3725
3726   AC_CACHE_CHECK([for addr_type in krb5_address],
3727                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
3728     AC_TRY_COMPILE([#include <krb5.h>],
3729       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
3730       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
3731       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
3732
3733   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
3734     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
3735               [Whether the krb5_address struct has a addr_type property])
3736   fi
3737
3738   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
3739                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
3740     AC_TRY_COMPILE([#include <krb5.h>],
3741       [krb5_keyblock key; key.keyvalue.data = NULL;],
3742       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
3743       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
3744
3745   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
3746     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
3747               [Whether the krb5_keyblock struct has a keyvalue property])
3748   fi
3749
3750   found_arcfour_hmac=no
3751   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
3752                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
3753     AC_TRY_COMPILE([#include <krb5.h>],
3754       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
3755       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
3756       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
3757   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
3758                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
3759     AC_TRY_COMPILE([#include <krb5.h>],
3760       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
3761       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
3762       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
3763 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
3764 # w.r.t. arcfour and windows, so we must not enable it here
3765   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
3766           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
3767     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
3768               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available])
3769     found_arcfour_hmac=yes
3770   fi
3771   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC],
3772                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC,[
3773     AC_TRY_COMPILE([#include <krb5.h>],
3774       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC;],
3775       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=yes,
3776       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=no)])
3777   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC" = x"yes"; then
3778     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC,1,
3779               [Whether the ENCTYPE_ARCFOUR_HMAC key type definition is available])
3780     found_arcfour_hmac=yes
3781   fi
3782
3783   AC_CACHE_CHECK([for ENCTYPE_AES128_CTS_HMAC_SHA1_96],
3784                  samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,[
3785     AC_TRY_COMPILE([#include <krb5.h>],
3786       [krb5_enctype enctype; enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;],
3787       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=yes,
3788       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=no)])
3789   if test x"$samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96" = x"yes"; then
3790     AC_DEFINE(HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,1,
3791               [Whether the ENCTYPE_AES128_CTS_HMAC_SHA1_96 key type definition is available])
3792   fi
3793   AC_CACHE_CHECK([for ENCTYPE_AES256_CTS_HMAC_SHA1_96],
3794                  samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,[
3795     AC_TRY_COMPILE([#include <krb5.h>],
3796       [krb5_enctype enctype; enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;],
3797       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=yes,
3798       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=no)])
3799   if test x"$samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96" = x"yes"; then
3800     AC_DEFINE(HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,1,
3801               [Whether the ENCTYPE_AES256_CTS_HMAC_SHA1_96 key type definition is available])
3802   fi
3803
3804   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
3805                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
3806     AC_TRY_COMPILE([#include <krb5.h>],
3807       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
3808       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
3809       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
3810
3811   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
3812     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
3813               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
3814   fi
3815
3816   AC_CACHE_CHECK([for KV5M_KEYTAB],
3817                  samba_cv_HAVE_KV5M_KEYTAB,[
3818     AC_TRY_COMPILE([#include <krb5.h>],
3819       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
3820       samba_cv_HAVE_KV5M_KEYTAB=yes,
3821       samba_cv_HAVE_KV5M_KEYTAB=no)])
3822
3823   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
3824       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
3825              [Whether the KV5M_KEYTAB option is available])
3826   fi
3827
3828   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
3829                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
3830     AC_TRY_COMPILE([#include <krb5.h>],
3831       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
3832       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
3833       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
3834
3835   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
3836     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
3837               [Whether KRB5_KU_OTHER_CKSUM is available])
3838   fi
3839
3840   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
3841                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
3842     AC_TRY_COMPILE([#include <krb5.h>],
3843       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
3844       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
3845       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
3846
3847   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
3848     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
3849               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
3850   fi
3851
3852   AC_CACHE_CHECK([for the krb5_princ_component macro],
3853                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
3854     AC_TRY_LINK([#include <krb5.h>],
3855       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
3856       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
3857       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
3858
3859   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
3860     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
3861                [Whether krb5_princ_component is available])
3862   fi
3863
3864   AC_CACHE_CHECK([for key in krb5_keytab_entry],
3865                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
3866     AC_TRY_COMPILE([#include <krb5.h>],
3867       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
3868       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
3869       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
3870
3871   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
3872     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
3873               [Whether krb5_keytab_entry has key member])
3874   fi
3875
3876   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
3877                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
3878     AC_TRY_COMPILE([#include <krb5.h>],
3879       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
3880       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
3881       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
3882
3883   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
3884     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
3885               [Whether krb5_keytab_entry has keyblock member])
3886   fi
3887
3888   AC_CACHE_CHECK([for magic in krb5_address],
3889                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
3890     AC_TRY_COMPILE([#include <krb5.h>],
3891       [krb5_address addr; addr.magic = 0;],
3892       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
3893       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
3894
3895   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
3896     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
3897               [Whether the krb5_address struct has a magic property])
3898   fi
3899
3900   AC_CACHE_CHECK([for WRFILE: keytab support],
3901                 samba_cv_HAVE_WRFILE_KEYTAB,[
3902     AC_TRY_RUN([
3903 #include<krb5.h>
3904   main()
3905   {
3906     krb5_context context;
3907     krb5_keytab keytab;
3908
3909     krb5_init_context(&context);
3910     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
3911   }],
3912   samba_cv_HAVE_WRFILE_KEYTAB=yes,
3913   samba_cv_HAVE_WRFILE_KEYTAB=no)])
3914
3915   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
3916       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
3917                [Whether the WRFILE:-keytab is supported])
3918   fi
3919
3920   AC_CACHE_CHECK([for krb5_realm type],
3921                 samba_cv_HAVE_KRB5_REALM_TYPE,[
3922     AC_TRY_COMPILE([#include <krb5.h>],
3923       [krb5_realm realm;],
3924       samba_cv_HAVE_KRB5_REALM_TYPE=yes,
3925       samba_cv_HAVE_KRB5_REALM_TYPE=no)])
3926
3927   if test x"$samba_cv_HAVE_KRB5_REALM_TYPE" = x"yes"; then
3928     AC_DEFINE(HAVE_KRB5_REALM_TYPE,1,
3929                [Whether the type krb5_realm exists])
3930   fi
3931
3932   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
3933                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
3934     AC_TRY_COMPILE([#include <krb5.h>],
3935     [
3936     krb5_context context;
3937     krb5_principal principal;
3938     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
3939     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
3940     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
3941
3942   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
3943     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
3944               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
3945   fi
3946
3947   AC_CACHE_CHECK([for krb5_addresses type],
3948                 samba_cv_HAVE_KRB5_ADDRESSES,[
3949     AC_TRY_COMPILE([#include <krb5.h>],
3950       [krb5_addresses addr;],
3951       samba_cv_HAVE_KRB5_ADDRESSES=yes,
3952       samba_cv_HAVE_KRB5_ADDRESSES=no)])
3953
3954   if test x"$samba_cv_HAVE_KRB5_ADDRESSES" = x"yes"; then
3955     AC_DEFINE(HAVE_KRB5_ADDRESSES,1,
3956                [Whether the type krb5_addresses type exists])
3957   fi
3958
3959   if test x"$ac_cv_func_ext_krb5_enctype_to_string" = x"yes"; then
3960     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_context context, krb5_enctype enctype, char **str)],
3961         smb_krb5_cv_enctype_to_string_takes_krb5_context_arg,[
3962         AC_TRY_RUN_STRICT([
3963                 #include <stdlib.h>
3964                 #include <krb5.h>
3965                 int main(void) {
3966                         krb5_context context = NULL;
3967                         char *str = NULL;
3968                         krb5_enctype_to_string(context, 1, &str);
3969                         if (str) free (str); 
3970                         return 0;
3971                 }
3972                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3973                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=yes,
3974                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=no)])
3975
3976     if test x"$smb_krb5_cv_enctype_to_string_takes_krb5_context_arg" = x"yes"; then
3977       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG,1,
3978                 [whether krb5_enctype_to_string takes krb5_context argument])
3979     fi
3980
3981     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_enctype enctype, char *str, size_t len)],
3982         smb_krb5_cv_enctype_to_string_takes_size_t_arg,[
3983         AC_TRY_RUN_STRICT([
3984                 #include <krb5.h>
3985                 int main(void) {
3986                         char buf[256];
3987                         krb5_enctype_to_string(1, buf, 256);
3988                         return 0;
3989                 }
3990                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3991                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=yes,
3992                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=no)])
3993
3994     if test x"$smb_krb5_cv_enctype_to_string_takes_size_t_arg" = x"yes"; then
3995       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG,1,
3996                 [whether krb5_enctype_to_string takes size_t argument])
3997     fi
3998   fi
3999
4000   AC_CACHE_CHECK([for krb5_principal_get_realm],
4001                 samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM,[
4002     AC_TRY_LINK([#include <krb5.h>],
4003       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_principal_get_realm(ctx, princ);],
4004       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=yes,
4005       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=no)])
4006
4007   if test x"$samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM" = x"yes"; then
4008     AC_DEFINE(HAVE_KRB5_PRINCIPAL_GET_REALM,1,
4009                [Whether the function krb5_principal_get_realm is defined])
4010   fi
4011
4012   AC_CACHE_CHECK([for krb5_princ_realm],
4013                 samba_cv_HAVE_KRB5_PRINC_REALM,[
4014     AC_TRY_LINK([#include <krb5.h>],
4015       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_princ_realm(ctx, princ)->data;],
4016       samba_cv_HAVE_KRB5_PRINC_REALM=yes,
4017       samba_cv_HAVE_KRB5_PRINC_REALM=no)])
4018
4019   if test x"$samba_cv_HAVE_KRB5_PRINC_REALM" = x"yes"; then
4020     AC_DEFINE(HAVE_KRB5_PRINC_REALM,1,
4021                [Whether the macro krb5_princ_realm is defined])
4022   fi
4023
4024   AC_HAVE_DECL(KRB5_PDU_NONE,[#include <krb5.h>])
4025
4026   AC_CACHE_CHECK([for flags in krb5_creds],
4027                 samba_cv_HAVE_FLAGS_IN_KRB5_CREDS,[
4028     AC_TRY_COMPILE([#include <krb5.h>],
4029       [krb5_creds creds; creds.flags.b.initial = 0;],
4030       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=yes,
4031       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=no)])
4032
4033   if test x"$samba_cv_HAVE_FLAGS_IN_KRB5_CREDS" = x"yes"; then
4034     AC_DEFINE(HAVE_FLAGS_IN_KRB5_CREDS,1,
4035                [Whether the krb5_creds struct has a flags property])
4036   fi
4037   #
4038   #
4039   # Now the decisions whether we can support krb5
4040   #
4041   # NOTE: all tests should be done before this block!
4042   #
4043   #
4044   if test x"$found_arcfour_hmac" != x"yes"; then
4045     AC_MSG_WARN(arcfour-hmac-md5 encryption type not found in -lkrb5)
4046     use_ads=no
4047   fi
4048
4049   if test x"$ac_cv_func_ext_krb5_set_real_time" != x"yes"; then
4050     AC_MSG_WARN(krb5_set_real_time encryption type not found in -lkrb5)
4051     use_ads=no
4052   fi
4053
4054   if test x"$ac_cv_lib_ext_krb5_krb5_mk_req_extended" != x"yes"; then
4055     AC_MSG_WARN(krb5_mk_req_extended not found in -lkrb5)
4056     use_ads=no
4057   fi
4058
4059   if test x"$ac_cv_func_ext_krb5_get_host_realm" != x"yes"
4060   then
4061     AC_MSG_WARN(krb5_get_host_realm not found in -lkrb5)
4062     use_ads=no
4063   fi
4064
4065   if test x"$ac_cv_func_ext_krb5_free_host_realm" != x"yes"
4066   then
4067     AC_MSG_WARN(krb5_free_host_realm not found in -lkrb5)
4068     use_ads=no
4069   fi
4070
4071   if test x"$ac_cv_func_ext_krb5_fwd_tgt_creds" != x"yes"
4072   then
4073     AC_MSG_WARN(krb5_fwd_tgt_creds not found in -lkrb5)
4074     use_ads=no
4075   fi
4076
4077   if test x"$ac_cv_func_ext_krb5_get_init_creds_opt_alloc" != x"yes"
4078   then
4079     AC_MSG_WARN(krb5_get_init_creds_opt_alloc found in -lkrb5)
4080     use_ads=no
4081   fi
4082
4083   if test x"$smb_krb5_cv_creds_opt_free_context" != x"yes"
4084   then
4085     AC_MSG_WARN(krb5_get_init_creds_opt_free not found or was too old in -lkrb5)
4086     use_ads=no
4087   fi
4088
4089   if test x"$ac_cv_func_ext_krb5_get_renewed_creds" != x"yes"
4090   then
4091     AC_MSG_WARN(krb5_get_renewed_creds not found in -lkrb5)
4092     use_ads=no
4093   fi
4094
4095   if test x"$ac_cv_func_ext_krb5_principal_compare_any_realm" != x"yes"
4096   then
4097     AC_MSG_WARN(krb5_principal_compare_any_realm not found in -lkrb5)
4098     use_ads=no
4099   fi
4100
4101   if test x"$ac_cv_func_ext_krb5_principal2salt" != x"yes" -o \
4102           x"$ac_cv_func_ext_krb5_c_string_to_key" != x"yes"
4103   then
4104         if test x"$ac_cv_func_ext_krb5_get_pw_salt" != x"yes" -o \
4105              x"$ac_cv_func_ext_krb5_string_to_key_salt" != x"yes"
4106         then
4107               AC_MSG_WARN(no CREATE_KEY_FUNCTIONS detected)
4108               use_ads=no
4109         fi
4110   fi
4111
4112   if test x"$ac_cv_func_ext_krb5_get_permitted_enctypes" != x"yes" -a \
4113           x"$ac_cv_func_ext_krb5_get_default_in_tkt_etypes" != x"yes"
4114   then
4115     AC_MSG_WARN(no GET_ENCTYPES_FUNCTIONS detected)
4116     use_ads=no
4117   fi
4118
4119   if test x"$ac_cv_func_ext_krb5_kt_free_entry" != x"yes" -a \
4120           x"$ac_cv_func_ext_krb5_free_keytab_entry_contents" != x"yes"
4121   then
4122     AC_MSG_WARN(no KT_FREE_FUNCTION detected)
4123     use_ads=no
4124   fi
4125
4126   if test x"$ac_cv_func_ext_krb5_c_verify_checksum" != x"yes"
4127   then
4128     AC_MSG_WARN(krb5_c_verify_checksum not found in -lkrb5)
4129     use_ads=no
4130   fi
4131
4132   if test x"$ac_cv_func_ext_gss_wrap_iov" != x"yes" ; then
4133     AC_MSG_WARN(gss_wrap_iov not found in -lgssapi)
4134     use_ads=no
4135   fi
4136
4137   if test x"$ac_cv_func_ext_gss_get_name_attribute" != x"yes" ; then
4138     if test x"$ac_cv_func_ext_gsskrb5_extract_authz_data_from_sec_context" != x"yes" -o \
4139             x"$ac_cv_func_ext_gss_inquire_sec_context_by_oid" != x"yes"
4140     then
4141       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)
4142       use_ads=no
4143     fi
4144   fi
4145
4146   if test x"$use_ads" = x"yes"; then
4147     AC_DEFINE(WITH_ADS,1,[Whether to include Active Directory support])
4148     AC_DEFINE(HAVE_KRB5,1,[Whether to have KRB5 support])
4149   else
4150     if test x"$with_ads_support" = x"yes"; then
4151         AC_MSG_ERROR(krb5 libs don't have all features required for Active Directory support)
4152     else
4153         AC_MSG_WARN(krb5 libs don't have all features required for Active Directory support)
4154     fi
4155     AC_REMOVE_DEFINE(HAVE_KRB5_H)
4156     AC_REMOVE_DEFINE(HAVE_GSSAPI_H)
4157     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_GENERIC_H)
4158     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_H)
4159     AC_REMOVE_DEFINE(HAVE_GSSAPI)
4160     KRB5_LIBS=""
4161     with_ads_support=no
4162   fi
4163   AC_MSG_CHECKING(whether Active Directory and krb5 support is used)
4164   AC_MSG_RESULT([$use_ads])
4165
4166 LIBS="$ac_save_LIBS"
4167 fi
4168
4169 AC_CHECK_LIB_EXT(nscd, NSCD_LIBS, nscd_flush_cache)
4170 PASSDB_LIBS="$PASSDB_LIBS $NSCD_LIBS"
4171
4172
4173 ########################################################
4174 # Compile with DNS Updates support?
4175
4176 with_dnsupdate_support=auto
4177 AC_MSG_CHECKING([whether to enable DNS Updates support])
4178
4179 AC_ARG_WITH(dnsupdate,
4180 [AS_HELP_STRING([--with-dnsupdate], [Enable DNS Updates support (default=auto)])],
4181 [ case "$withval" in
4182     yes|no)
4183         with_dnsupdate_support=$withval
4184         ;;
4185   esac ])
4186
4187 AC_MSG_RESULT($with_dnsupdate_support)
4188
4189 if test x"$with_dnsupdate_support" != x"no"; then
4190
4191   ################################################################
4192   # first test for AD / GSSAPI support being enabled
4193      &nb