s3:configure: fix numerous compile warnings about implicit declaration of 'exit'
[kai/samba.git] / source3 / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2
3 dnl We must use autotools 2.54 or above
4 AC_PREREQ(2.54)
5
6 AC_INIT([Samba],[3],[samba-technical@samba.org])
7
8 AC_CONFIG_SRCDIR([include/includes.h])
9 AC_CONFIG_HEADER(include/autoconf/config.h)
10 AC_DEFINE(CONFIG_H_IS_FROM_SAMBA,1,[Marker for samba's config.h])
11
12 case "$PATH" in
13     */usr/ucb*)
14         AC_MSG_WARN([\$PATH contains /usr/ucb - build errors may follow])
15         ;;
16 esac 
17
18 builddir=`pwd`
19 AC_SUBST(builddir)
20
21 m4_include(m4/samba_version.m4)
22 m4_include(m4/check_path.m4)
23 m4_include(pkg.m4)
24
25 AC_LIBREPLACE_CC_CHECKS
26 AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
27
28 m4_include(../lib/tevent/libtevent.m4)
29 m4_include(../lib/ccan/libccan.m4)
30
31 LIBTEVENT_OBJ0=""
32 for obj in ${TEVENT_OBJ}; do
33         LIBTEVENT_OBJ0="${LIBTEVENT_OBJ0} ${teventdir}/${obj}"
34 done
35 AC_SUBST(LIBTEVENT_OBJ0)
36 LIBS="${LIBS} ${TEVENT_LIBS}"
37
38 SAMBA_CPPFLAGS="-Iinclude/autoconf -Iautoconf -Iautoconf/source3"
39 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -Iinclude -I${srcdir-.}/include  -I. -I${srcdir-.}"
40 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/replace"
41 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TEVENT_CFLAGS}"
42 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${CCAN_CFLAGS}"
43 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/librpc"
44 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/.."
45 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/tdb_compat"
46
47 SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/popt"
48
49 ## cleanup the $(srcdir) in the Makefile if we are outside of the tree
50 if test "x${srcdir-.}" != "x."; then
51         SAMBA_CPPFLAGS=`echo ${SAMBA_CPPFLAGS} | sed -e "s;${srcdir};\$\(srcdir\);g"`
52 fi
53
54 dnl Unique-to-Samba variables we'll be playing with.
55 AC_SUBST(SAMBA_CPPFLAGS)
56 AC_SUBST(SHELL)
57 AC_SUBST(LDSHFLAGS)
58 AC_SUBST(SONAMEFLAG)
59 AC_SUBST(SHLD)
60 AC_SUBST(MODULE_EXPORTS)
61 AC_SUBST(DSO_EXPORTS)
62 AC_SUBST(HOST_OS)
63 AC_SUBST(PICFLAG)
64 AC_SUBST(PIE_CFLAGS)
65 AC_SUBST(PIE_LDFLAGS)
66 AC_SUBST(RELRO_LDFLAGS)
67 AC_SUBST(SHLIBEXT)
68 AC_SUBST(INSTALLLIBCMD_SH)
69 AC_SUBST(INSTALLLIBCMD_A)
70 AC_SUBST(UNINSTALLLIBCMD_SH)
71 AC_SUBST(UNINSTALLLIBCMD_A)
72
73 AC_SUBST(INSTALL_LIBWBCLIENT)
74 AC_SUBST(UNINSTALL_LIBWBCLIENT)
75 AC_SUBST(LIBWBCLIENT_SHARED_TARGET)
76 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_SOVER)
77 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_FULLVER)
78 AC_SUBST(LIBWBCLIENT_SHARED)
79 AC_SUBST(LIBWBCLIENT_STATIC_TARGET)
80 AC_SUBST(LIBWBCLIENT_STATIC)
81 AC_SUBST(LIBWBCLIENT_SOVER)
82 AC_SUBST(LIBWBCLIENT_FULLVER)
83 AC_SUBST(LIBWBCLIENT)
84 AC_SUBST(LIBWBCLIENT_LIBS)
85
86 AC_SUBST(LIBSAMBAUTIL_SHARED)
87
88 AC_SUBST(PRINT_LIBS)
89 AC_SUBST(AUTH_LIBS)
90 AC_SUBST(ACL_LIBS)
91 AC_SUBST(PASSDB_LIBS)
92 AC_SUBST(IDMAP_LIBS)
93 AC_SUBST(KRB5_LIBS)
94 AC_SUBST(LDAP_LIBS)
95 AC_SUBST(GPEXT_LIBS)
96 AC_SUBST(PAM_MODULES)
97 AC_SUBST(INSTALL_PAM_MODULES)
98 AC_SUBST(UNINSTALL_PAM_MODULES)
99 AC_SUBST(NSS_MODULES)
100 AC_SUBST(EXTRA_BIN_PROGS)
101 AC_SUBST(CIFSMOUNT_PROGS)
102 AC_SUBST(INSTALL_CIFSMOUNT)
103 AC_SUBST(UNINSTALL_CIFSMOUNT)
104 AC_SUBST(CIFSUMOUNT_PROGS)
105 AC_SUBST(INSTALL_CIFSUMOUNT)
106 AC_SUBST(UNINSTALL_CIFSUMOUNT)
107 AC_SUBST(CIFSUPCALL_PROGS)
108 AC_SUBST(INSTALL_CIFSUPCALL)
109 AC_SUBST(UNINSTALL_CIFSUPCALL)
110 AC_SUBST(EXTRA_SBIN_PROGS)
111 AC_SUBST(EXTRA_ALL_TARGETS)
112 AC_SUBST(CONFIG_LIBS)
113 AC_SUBST(NSCD_LIBS)
114
115 # compile with optimization and without debugging by default, but
116 # allow people to set their own preference.
117 # do this here since AC_CACHE_CHECK apparently sets the CFLAGS to "-g -O2"
118 # if it has no value.  This prevent *very* large debug binaries from occurring
119 # by default.
120 if test "x$debug" = "xyes" ; then
121         CFLAGS="${CFLAGS} -g"
122 fi
123 if test "x$CFLAGS" = x; then
124   CFLAGS="-O"
125 fi
126
127 m4_include(../lib/socket_wrapper/config.m4)
128 m4_include(../lib/nss_wrapper/config.m4)
129 m4_include(../lib/uid_wrapper/config.m4)
130
131 m4_include(m4/swat.m4)
132
133 DEVELOPER_CFLAGS="-DDEBUG_PASSWORD -DDEVELOPER"
134
135 # Probe the gcc version for extra CFLAGS. We always stash these in
136 # DEVELOPER_CFLAGS, so that you can turn them on and off with a simple
137 # Makefile edit, avoiding the need to re-run configure.
138 if test x"$ac_cv_prog_gcc" = x"yes" ; then
139         DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -g -Wall -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings"
140         # Add -Wdeclaration-after-statement if compiler supports it
141         AC_CACHE_CHECK(
142           [that the C compiler understands -Wdeclaration-after-statement],
143           samba_cv_HAVE_Wdeclaration_after_statement, [
144           AC_TRY_RUN_STRICT([
145             int main(void)
146             {
147                 return 0;
148             }],[$CFLAGS -Wdeclaration-after-statement],[$CPPFLAGS],[$LDFLAGS],
149             samba_cv_HAVE_Wdeclaration_after_statement=yes,
150             samba_cv_HAVE_Wdeclaration_after_statement=no,
151             samba_cv_HAVE_Wdeclaration_after_statement=cross)
152        ])
153
154         if test x"$samba_cv_HAVE_Wdeclaration_after_statement" = x"yes"; then
155             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Wdeclaration-after-statement"
156         fi
157
158         #-Werror-implicit-function-declaration
159         AC_CACHE_CHECK(
160           [that the C compiler understands -Werror-implicit-function-declaration],
161           samba_cv_HAVE_Werror_implicit_function_declaration, [
162           AC_TRY_RUN_STRICT([
163             int main(void)
164             {
165                 return 0;
166             }],[$CFLAGS -Werror-implicit-function-declaration],[$CPPFLAGS],[$LDFLAGS],
167             samba_cv_HAVE_Werror_implicit_function_declaration=yes,
168             samba_cv_HAVE_Werror_implicit_function_declaration=no,
169             samba_cv_HAVE_Werror_implicit_function_declaration=cross)
170        ])
171        if test x"$samba_cv_HAVE_Werror_implicit_function_declaration" = x"yes"; then
172             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Werror-implicit-function-declaration"
173        fi
174
175         # krb5developer is like developer, except we don't get
176         # -Wstrict-prototypes.
177        if test x"$krb5_developer" != x"$yes" ; then
178             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Wstrict-prototypes"
179        fi
180
181        if test x"$picky_developer" = x"yes"; then
182             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Werror"
183        fi
184 fi
185
186 #################################################
187 # check for a shared memory profiling support
188 AC_MSG_CHECKING(whether to use profiling)
189 AC_ARG_WITH(profiling-data,
190 [AS_HELP_STRING([--with-profiling-data], [Include gathering source code profile information (default=no)])],
191 [ case "$withval" in
192   yes)
193     AC_MSG_RESULT(yes)
194     AC_DEFINE(WITH_PROFILE,1,[Whether to use profiling])
195     samba_cv_WITH_PROFILE=yes
196     ;;
197   *)
198     AC_MSG_RESULT(no)
199     samba_cv_WITH_PROFILE=no
200     ;;
201   esac ],
202   AC_MSG_RESULT(no)
203 )
204
205 dnl Checks for programs.
206 AC_ARG_ENABLE(smbtorture4,
207         [AS_HELP_STRING([--enable-smbtorture4], [Enable building smbtorture4 (default=auto)])])
208
209 if test x$enable_smbtorture4 != xno; then
210         smbtorture4_possible=yes
211 else
212         smbtorture4_possible=no
213 fi
214
215 AC_PROG_INSTALL
216 AC_PROG_AWK
217 # Check for GNU make
218 m4_include(../m4/check_make.m4)
219 AC_SAMBA_GNU_MAKE([true], [true])
220
221 # Check for perl
222 m4_include(../m4/check_perl.m4)
223 AC_SAMBA_PERL([true], [smbtorture4_possible=no])
224
225 # Check for python
226 m4_include(../m4/check_python.m4)
227 AC_SAMBA_PYTHON_DEVEL([true], [smbtorture4_possible=no])
228
229 AC_CHECK_TOOL(AR, ar)
230
231 dnl Check if we (actually our C compiler!) use GNU ld
232 AC_PROG_LD_GNU
233
234 dnl Certain versions of GNU ld the default is not to have the
235 dnl --allow-shlib-undefined flag defined.  This causes a stackload of
236 dnl warnings when building modules.
237 if test "$ac_cv_prog_gnu_ld" = "yes"; then
238         ac_cv_gnu_ld_version=`$CC -Wl,-v /dev/null 2>&1 < /dev/null | grep "GNU ld"`
239         AC_MSG_CHECKING(GNU ld release date)
240         changequote(,)dnl
241         ac_cv_gnu_ld_date=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
242         changequote([,])dnl
243         AC_MSG_RESULT(${ac_cv_gnu_ld_date})
244         if test -n "$ac_cv_gnu_ld_date"; then
245         if test "$ac_cv_gnu_ld_date" -lt 20030217; then
246                 ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
247         fi
248         if test "$ac_cv_gnu_ld_date" -gt 20030101; then
249                 ac_cv_gnu_ld_version_script=yes
250         fi
251         else
252            AC_MSG_CHECKING(GNU ld release version)
253            changequote(,)dnl
254            ac_cv_gnu_ld_vernr=`echo $ac_cv_gnu_ld_version | awk '{print $NF}' | sed -n 's,\([1-9][0-9]*\.[0-9][0-9]*\).*$,\1,p'`
255            ac_cv_gnu_ld_vernr_major=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 1`
256            ac_cv_gnu_ld_vernr_minor=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 2`
257            changequote([,])dnl
258            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr})
259            AC_MSG_CHECKING(GNU ld release version major)
260            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_major})
261            AC_MSG_CHECKING(GNU ld release version minor)
262            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_minor})
263            if test "$ac_cv_gnu_ld_vernr_major" -lt 2 || test "$ac_cv_gnu_ld_vernr_minor" -lt 14; then
264              ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
265            fi
266            if test "$ac_cv_gnu_ld_vernr_major" -gt 2 || test "$ac_cv_gnu_ld_vernr_major" = 2 && test "$ac_cv_gnu_ld_vernr_minor" -ge 12; then
267              ac_cv_gnu_ld_version_script=yes
268            fi
269         fi
270 fi
271
272 dnl Check if C compiler understands -c and -o at the same time
273 AC_PROG_CC_C_O
274 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
275       BROKEN_CC=
276 else
277       BROKEN_CC=#
278 fi
279 AC_SUBST(BROKEN_CC)
280
281 dnl Check if the C compiler understands -Werror (GNU)
282 AC_CACHE_CHECK([that the C compiler understands -Werror],samba_cv_HAVE_Werror, [
283  AC_TRY_RUN_STRICT([
284   int main(void)
285   {
286         return 0;
287   }],[$CFLAGS -Werror],[$CPPFLAGS],[$LDFLAGS],
288   samba_cv_HAVE_Werror=yes,samba_cv_HAVE_Werror=no,samba_cv_HAVE_Werror=cross)])
289 if test x"$samba_cv_HAVE_Werror" = x"yes"; then
290    Werror_FLAGS="-Werror"
291 else
292 dnl Check if the C compiler understands -w2
293 AC_CACHE_CHECK([that the C compiler understands -w2],samba_cv_HAVE_w2, [
294  AC_TRY_RUN_STRICT([
295   int main(void)
296   {
297         return 0;
298   }],[$CFLAGS -w2],[$CPPFLAGS],[$LDFLAGS],
299   samba_cv_HAVE_w2=yes,samba_cv_HAVE_w2=no,samba_cv_HAVE_w2=cross)])
300 if test x"$samba_cv_HAVE_w2" = x"yes"; then
301    Werror_FLAGS="-w2"
302 else
303 dnl Check if the C compiler understands -errwarn (Sun)
304 AC_CACHE_CHECK([that the C compiler understands -errwarn],samba_cv_HAVE_errwarn, [
305   AC_TRY_RUN_STRICT([
306    int main(void)
307    {
308         return 0;
309    }],[$CFLAGS -errwarn=%all],[$CPPFLAGS],[$LDFLAGS],
310    samba_cv_HAVE_errwarn=yes,samba_cv_HAVE_errwarn=no,samba_cv_HAVE_errwarn=cross)])
311 if test x"$samba_cv_HAVE_errwarn" = x"yes"; then
312    Werror_FLAGS="-errwarn=%all"
313 else
314 dnl Check if the C compiler understands -qhalt (IBM)
315 AC_CACHE_CHECK([that the C compiler understands -qhalt],samba_cv_HAVE_qhalt, [
316   AC_TRY_RUN_STRICT([
317    int main(void)
318    {
319         return 0;
320    }],[$CFLAGS -qhalt=w],[$CPPFLAGS],[$LDFLAGS],
321    samba_cv_HAVE_qhalt=yes,samba_cv_HAVE_qhalt=no,samba_cv_HAVE_qhalt=cross)])
322 if test x"$samba_cv_HAVE_qhalt" = x"yes"; then
323    Werror_FLAGS="-qhalt=w"
324 fi
325 fi
326 fi
327 fi
328
329 ############################################
330 # check if the compiler can handle negative enum values
331 # and don't truncate the values to INT_MAX
332 # a runtime test is needed here
333 AC_SUBST(PIDL_ARGS)
334 AC_CACHE_CHECK([that the C compiler understands negative enum values],samba_cv_CC_NEGATIVE_ENUM_VALUES, [
335     AC_TRY_RUN(
336 [
337         #include <stdio.h>
338         enum negative_values { NEGATIVE_VALUE = 0xFFFFFFFF };
339         int main(void) {
340                 enum negative_values v1 = NEGATIVE_VALUE;
341                 unsigned v2 = NEGATIVE_VALUE;
342
343                 if (v1 != 0xFFFFFFFF) {
344                         printf("%u != 0xFFFFFFFF\n", v1);
345                         return 1;
346                 }
347                 if (v2 != 0xFFFFFFFF) {
348                         printf("%u != 0xFFFFFFFF\n", v2);
349                         return 1;
350                 }
351
352                 return 0;
353         }
354 ],
355         samba_cv_CC_NEGATIVE_ENUM_VALUES=yes,samba_cv_CC_NEGATIVE_ENUM_VALUES=no)])
356 if test x"$samba_cv_CC_NEGATIVE_ENUM_VALUES" != x"yes"; then
357         AC_MSG_WARN([using --uint-enums for pidl])
358         PIDL_ARGS="$PIDL_ARGS --uint-enums"
359 fi
360
361 dnl Figure out the flags to support named structure initializers
362
363 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_ERROR([c99 structure initializer are not supported])])
364
365 UNAME_S=`(uname -s) 2>/dev/null` || UNAME_S="unknown"
366 AC_MSG_CHECKING(uname -s)
367 AC_MSG_RESULT(${UNAME_S})
368
369 UNAME_R=`(uname -r) 2>/dev/null` || UNAME_R="unknown"
370 AC_MSG_CHECKING(uname -r)
371 AC_MSG_RESULT(${UNAME_R})
372
373 UNAME_M=`(uname -m) 2>/dev/null` || UNAME_M="unknown"
374 AC_MSG_CHECKING(uname -m)
375 AC_MSG_RESULT(${UNAME_M})
376
377 UNAME_P=`(uname -p) 2>/dev/null` || UNAME_P="unknown"
378 AC_MSG_CHECKING(uname -p)
379 AC_MSG_RESULT(${UNAME_P})
380
381 UNAME_I=`(uname -i) 2>/dev/null` || UNAME_I="unknown"
382 AC_MSG_CHECKING(uname -i)
383 AC_MSG_RESULT(${UNAME_I})
384
385 dnl Add #include for broken IRIX header files
386   case "$host_os" in
387         *irix6*)
388                 #TODO add to libreplace
389                 if test x"$ac_cv_prog_gcc" != x"yes" ; then
390                         dnl Fix sensible defaults for MIPSPro compilers. The
391                         dnl error numbers are valid for the 7.3 compilers,
392                         dnl hopefully also valid for the 7.4 series.
393                         dnl
394                         dnl Bugzilla 3801. Force an error on warning 1035
395                         dnl so we don't incorrectly detect stdint.h. This
396                         dnl warning is emitted for #error directives.
397                         CFLAGS="$CFLAGS -diag_error 1035"
398                         dnl 1209: Controlling expression is constant
399                         dnl 1174: Function foo declared but never referenced
400                         dnl 3201: Parameter foo was never referenced
401                         CFLAGS="$CFLAGS -woff 1209,1174,3201"
402                 fi
403         ;;
404 esac
405
406 DYNEXP=
407 AC_SUBST(DYNEXP)
408 LDSHFLAGS_Z_DEFS=
409 AC_SUBST(LDSHFLAGS_Z_DEFS)
410 LDSHFLAGS_Z_NODEFS=
411 AC_SUBST(LDSHFLAGS_Z_NODEFS)
412
413 dnl Add modules that have to be built by default here
414 dnl These have to be built static:
415 default_static_modules=""
416 default_static_modules="$default_static_modules pdb_smbpasswd"
417 default_static_modules="$default_static_modules pdb_tdbsam"
418 default_static_modules="$default_static_modules pdb_wbc_sam"
419 default_static_modules="$default_static_modules rpc_lsarpc"
420 default_static_modules="$default_static_modules rpc_samr"
421 default_static_modules="$default_static_modules rpc_winreg"
422 default_static_modules="$default_static_modules rpc_initshutdown"
423 default_static_modules="$default_static_modules rpc_dssetup"
424 default_static_modules="$default_static_modules rpc_wkssvc"
425 default_static_modules="$default_static_modules rpc_svcctl"
426 default_static_modules="$default_static_modules rpc_ntsvcs"
427 default_static_modules="$default_static_modules rpc_netlogon"
428 default_static_modules="$default_static_modules rpc_netdfs"
429 default_static_modules="$default_static_modules rpc_srvsvc"
430 default_static_modules="$default_static_modules rpc_spoolss"
431 default_static_modules="$default_static_modules rpc_eventlog"
432 default_static_modules="$default_static_modules auth_sam"
433 default_static_modules="$default_static_modules auth_unix"
434 default_static_modules="$default_static_modules auth_winbind"
435 default_static_modules="$default_static_modules auth_wbc"
436 default_static_modules="$default_static_modules auth_domain"
437 default_static_modules="$default_static_modules auth_builtin"
438 default_static_modules="$default_static_modules vfs_default"
439 default_static_modules="$default_static_modules nss_info_template"
440
441 dnl These are preferably build shared, and static if dlopen() is not available
442 default_shared_modules=""
443 default_shared_modules="$default_shared_modules vfs_recycle"
444 default_shared_modules="$default_shared_modules vfs_audit"
445 default_shared_modules="$default_shared_modules vfs_extd_audit"
446 default_shared_modules="$default_shared_modules vfs_full_audit"
447 default_shared_modules="$default_shared_modules vfs_netatalk"
448 default_shared_modules="$default_shared_modules vfs_fake_perms"
449 default_shared_modules="$default_shared_modules vfs_default_quota"
450 default_shared_modules="$default_shared_modules vfs_readonly"
451 default_shared_modules="$default_shared_modules vfs_cap"
452 default_shared_modules="$default_shared_modules vfs_expand_msdfs"
453 default_shared_modules="$default_shared_modules vfs_shadow_copy"
454 default_shared_modules="$default_shared_modules vfs_shadow_copy2"
455 default_shared_modules="$default_shared_modules auth_script"
456 default_shared_modules="$default_shared_modules vfs_readahead"
457 default_shared_modules="$default_shared_modules vfs_xattr_tdb"
458 default_shared_modules="$default_shared_modules vfs_streams_xattr"
459 default_shared_modules="$default_shared_modules vfs_streams_depot"
460 default_shared_modules="$default_shared_modules vfs_acl_xattr"
461 default_shared_modules="$default_shared_modules vfs_acl_tdb"
462 default_shared_modules="$default_shared_modules vfs_smb_traffic_analyzer"
463 default_shared_modules="$default_shared_modules vfs_preopen"
464 default_shared_modules="$default_shared_modules vfs_catia"
465 default_shared_modules="$default_shared_modules vfs_scannedonly"
466 default_shared_modules="$default_shared_modules vfs_crossrename"
467 default_shared_modules="$default_shared_modules vfs_linux_xfs_sgid"
468 default_shared_modules="$default_shared_modules vfs_time_audit"
469 default_shared_modules="$default_shared_modules idmap_autorid"
470 default_shared_modules="$default_shared_modules idmap_tdb2"
471 default_shared_modules="$default_shared_modules idmap_rid"
472 default_shared_modules="$default_shared_modules idmap_hash"
473
474 if test "x$developer" = xyes; then
475    default_shared_modules="$default_shared_modules perfcount_test"
476 fi
477
478
479 #
480 # Config CPPFLAG settings for strange OS's that must be set
481 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
482 # case statement; its first reference must be unconditional.
483 #
484 case "$host_os" in
485     *hpux*)
486 #
487 # Defines needed for HPUX support.
488 # HPUX has bigcrypt but (sometimes?) doesn't use it for
489 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
490 #
491       case `uname -r` in
492                 *9*|*10*|*11)
493                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
494                 ;;
495       esac
496       ;;
497
498 #
499 # CRAY Unicos has broken const handling
500        *unicos*)
501           AC_MSG_RESULT([disabling const])
502           CPPFLAGS="$CPPFLAGS -Dconst="
503           ;;
504         
505 #
506 # AIX4.x doesn't even admit to having large
507 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
508 #
509     *aix4*)
510           AC_MSG_RESULT([enabling large file support])
511           CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
512           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
513       ;;
514 #
515 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
516 # to the existance of large files..
517 #
518 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
519 #
520         *solaris*)
521                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
522                 LDFLAGS="$LDFLAGS -lthread"
523                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
524                 ;;
525 #
526 # IRIX uses SYSV printing.  Make sure to set that here
527 #
528         *irix*)
529                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
530                 ;;
531         *freebsd*|*dragonfly*)
532                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
533                 ;;
534 #
535 # VOS may need to have POSIX support and System V compatibility enabled.
536 #
537     *vos*)
538     case "$CPPFLAGS" in
539           *-D_POSIX_C_SOURCE*)
540                 ;;
541           *)
542                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
543                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
544                 ;;
545     esac
546     case "$CPPFLAGS" in
547           *-D_SYSV*|*-D_SVID_SOURCE*)
548                 ;;
549           *)
550                 CPPFLAGS="$CPPFLAGS -D_SYSV"
551                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
552     esac
553     ;;
554 # GNU systems
555 #
556     *linux* | *hurd* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
557         CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
558         AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
559         ;;
560
561 #
562 # MacOS X is the *only* system that uses compose character in utf8. This
563 # is so horribly broken....
564 #
565     *darwin*)
566         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
567
568 # Add a system specific charset module.
569         default_shared_modules="$default_shared_modules"
570
571         ;;
572     *qnx*)
573         ;;
574
575 esac
576
577 SAVE_CPPFLAGS="${CPPFLAGS}"
578 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
579
580 AC_LIBREPLACE_BROKEN_CHECKS
581 AC_CHECK_FUNCS([syslog],[],[AC_MSG_ERROR([Required function not found])])
582 AC_LIBREPLACE_NETWORK_CHECKS
583
584 CPPFLAGS="${SAVE_CPPFLAGS}"
585
586 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
587
588 LIBREPLACE_OBJS="${LIBREPLACEOBJ}"
589 AC_SUBST(LIBREPLACE_OBJS)
590
591 LIBREPLACE_LIBS="${LIBREPLACE_NETWORK_LIBS} ${LIBREPLACE_FILESYS_LIBS}"
592 AC_SUBST(LIBREPLACE_LIBS)
593
594
595 # add -ldl to the global LIBS
596 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
597 AUTH_LIBS="${AUTH_LIBS} ${CRYPT_LIBS}"
598
599
600 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
601 AC_CHECK_HEADERS(unistd.h grp.h sys/id.h memory.h alloca.h)
602 AC_CHECK_HEADERS(limits.h float.h libintl.h)
603 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
604 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h sys/sysctl.h)
605 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
606 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
607 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
608 AC_CHECK_HEADERS(sys/sysmacros.h)
609 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
610 AC_CHECK_HEADERS(langinfo.h locale.h)
611 AC_CHECK_HEADERS(xfs/libxfs.h)
612 AC_CHECK_HEADERS(netgroup.h)
613 AC_CHECK_HEADERS(linux/falloc.h)
614 AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
615
616 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
617 #if HAVE_RPC_RPC_H
618 #include <rpc/rpc.h>
619 #endif
620 ]])
621 CRYPTO_MD5_OBJ=
622 if test "x$ac_cv_header_CommonCrypto_CommonDigest_h" != "xyes"
623 then
624         CRYPTO_MD5_OBJ="../lib/crypto/md5.o"
625 fi
626 AC_SUBST(CRYPTO_MD5_OBJ)
627
628 ## These fail to compile on IRIX so just check for their presence
629 AC_CHECK_HEADERS(sys/mode.h,,,)
630
631 # Look for Darwin headers
632 old_CPPFLAGS="$CPPFLAGS"
633 CPPFLAGS="-Iinclude $CPPFLAGS"
634 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
635 CPPFLAGS="$old_CPPFLAGS"
636
637 # To link lib/util/charset/charset_macosxfs.c, we need to tell the linker
638 # about CoreFoundation, at least on os X 10.4..10.7 resp. darwin8..12
639 case "$host_os" in
640     *darwin*)
641                 LDFLAGS="$LDFLAGS -framework CoreFoundation"
642         ;;
643 esac
644
645 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
646 # subdirectory of headers.
647 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
648
649 if test x"$enable_developer" = x"yes" ; then
650    if test x"$ac_cv_header_valgrind_h" = xyes -o \
651            x"$ac_cv_header_valgrind_valgrind_h" = xyes ; then
652       AC_DEFINE(VALGRIND,1,[Whether we have valgrind headers])
653    fi
654 fi
655
656 #
657 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
658 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
659 #
660 case "$host_os" in
661     *hpux*)
662                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
663                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
664                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
665                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
666                 fi
667         ;;
668 esac
669 AC_CHECK_HEADERS(shadow.h)
670 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
671 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
672
673 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
674
675 # For experimental utmp support (lastlog on some BSD-like systems)
676 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
677
678 AC_CHECK_SIZEOF(int,cross)
679 AC_CHECK_SIZEOF(long,cross)
680 AC_CHECK_SIZEOF(long long,cross)
681 AC_CHECK_SIZEOF(short,cross)
682
683 AC_C_CONST
684 AC_C_INLINE
685 AC_C_BIGENDIAN
686 AC_C_CHAR_UNSIGNED
687
688 AC_TYPE_SIGNAL
689 AC_TYPE_UID_T
690 AC_TYPE_MODE_T
691 AC_TYPE_OFF_T
692 AC_TYPE_SIZE_T
693 AC_TYPE_PID_T
694 AC_STRUCT_ST_RDEV
695 AC_DIRENT_D_OFF
696 AC_CHECK_TYPE(ssize_t, int)
697 AC_CHECK_TYPE(wchar_t, unsigned short)
698
699 ############################################
700 # for cups support we need libcups, and a handful of header files
701
702 AC_ARG_ENABLE(cups,
703 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
704
705 if test x$enable_cups != xno; then
706         AC_PATH_PROG(CUPS_CONFIG, cups-config)
707
708         if test "x$CUPS_CONFIG" != x; then
709
710                 ac_save_LDFLAGS=$LDFLAGS
711                 ac_save_PRINT_LIBS=$PRINT_LIBS
712                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
713
714                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
715                         x"$ac_cv_header_cups_language_h" = xyes; then
716                         # try linking with -lcups alone first. That should work unless libcups is
717                         # underlinked. With cups-config --libs we pull in unwanted and unneeded
718                         # dendencies including thread libraries - use cups-config only if really
719                         # required. 
720                         AC_CHECK_LIB_EXT(cups, ac_save_PRINT_LIBS , httpConnect,
721                                 [PRINT_LIBS="$ac_save_PRINT_LIBS -lcups"],
722                                 [AC_MSG_WARN([your cups library doesn't link with -lcups alone, it might be underlinked.]) ;
723                                  PRINT_LIBS="$ac_save_PRINT_LIBS `$CUPS_CONFIG --libs`"])
724
725                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
726                         samba_cv_HAVE_CUPS=yes
727                         AC_CHECK_LIB_EXT(cups, PRINT_LIBS, httpConnectEncrypt)
728                 else
729                         AC_MSG_WARN([cups-config around but cups-devel not installed])
730                         CFLAGS=$ac_save_CFLAGS
731                         LDFLAGS=$ac_save_LDFLAGS
732                         PRINT_LIBS=$ac_save_PRINT_LIBS
733                 fi
734
735         elif test x"$enable_cups" = x"yes"; then
736                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
737         fi
738 fi
739
740 AC_ARG_ENABLE(iprint,
741 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
742
743 if test x$enable_iprint != xno; then
744         if test x"$samba_cv_HAVE_CUPS" = xyes; then
745                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
746         elif test x"$enable_iprint" = x"yes"; then
747                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
748         fi
749 fi
750
751 ############################################
752 # check if the compiler will optimize out function calls
753 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
754     AC_TRY_LINK([
755 #include <stdio.h>],
756 [
757                 if (0) {
758                    this_function_does_not_exist();
759                 } else {
760                   return 1;
761                 }
762
763 ],
764         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
765 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
766    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
767 fi
768
769 #############################################
770 # check for fd passing struct via msg_control
771 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
772     AC_TRY_COMPILE([
773 #include <sys/types.h>
774 #include <stdlib.h>
775 #include <stddef.h>
776 #include <sys/socket.h>
777 #include <sys/un.h>],
778 [
779         struct msghdr msg;
780         union {
781               struct cmsghdr cm;
782               char control[CMSG_SPACE(sizeof(int))];
783         } control_un;
784         msg.msg_control = control_un.control;
785         msg.msg_controllen = sizeof(control_un.control);
786 ],
787         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
788 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
789    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
790              [If we can use msg_control for passing file descriptors])
791 fi
792
793 #############################################
794 # check for fd passing struct via msg_acctrights
795 AC_CACHE_CHECK([for fd passing via msg_acctrights],
796                 samba_cv_msghdr_msg_acctrights, [
797     AC_TRY_COMPILE([
798 #include <sys/types.h>
799 #include <stdlib.h>
800 #include <stddef.h>
801 #include <sys/socket.h>
802 #include <sys/un.h>],
803 [
804         struct msghdr msg;
805         int fd;
806         msg.msg_acctrights = (caddr_t) &fd;
807         msg.msg_acctrightslen = sizeof(fd);
808 ],
809         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
810 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
811    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
812              [If we can use msg_acctrights for passing file descriptors])
813 fi
814
815 AC_CHECK_FUNCS(dirfd)
816 if test x"$ac_cv_func_dirfd" = x"yes"; then
817         default_shared_modules="$default_shared_modules vfs_syncops vfs_dirsort"
818 fi
819
820 AC_CACHE_CHECK([for struct sigevent type],samba_cv_struct_sigevent, [
821     AC_TRY_COMPILE([
822 #include <sys/types.h>
823 #if STDC_HEADERS
824 #include <stdlib.h>
825 #include <stddef.h>
826 #endif
827 #include <signal.h>],[struct sigevent s;],
828         samba_cv_struct_sigevent=yes,samba_cv_struct_sigevent=no)])
829 if test x"$samba_cv_struct_sigevent" = x"yes"; then
830    AC_DEFINE(HAVE_STRUCT_SIGEVENT,1,[Whether we have the struct sigevent])
831    AC_CHECK_MEMBERS([struct sigevent.sigev_value.sival_ptr,struct sigevent.sigev_value.sigval_ptr], , ,
832         [#include <signal.h>])
833 fi
834
835 # and glibc has setresuid under linux but the function does
836 # nothing until kernel 2.1.44! very dumb.
837 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
838     AC_TRY_RUN([#include <errno.h>
839 main() { setresuid(1,1,1); setresuid(2,2,2); return(errno==EPERM?0:1);}],
840         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
841 if test x"$samba_cv_have_setresuid" = x"yes"; then
842     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
843 fi
844
845 # Do the same check for setresguid...
846 #
847 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
848     AC_TRY_RUN([#include <unistd.h>
849 #include <errno.h>
850 main() { errno = 0; setresgid(1,1,1); return(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
851         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
852 if test x"$samba_cv_have_setresgid" = x"yes"; then
853     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
854 fi
855
856 AC_FUNC_MEMCMP
857
858 ###############################################
859 # Readline included by default unless explicitly asked not to
860 test "${with_readline+set}" != "set" && with_readline=yes
861
862 # test for where we get readline() from
863 AC_MSG_CHECKING(whether to use readline)
864 AC_ARG_WITH(readline,
865 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
866 [  case "$with_readline" in
867   yes)
868     AC_MSG_RESULT(yes)
869
870     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
871     AC_CHECK_HEADERS(readline/history.h)
872
873     AC_CHECK_HEADERS(readline.h readline/readline.h,[
874       for termlib in ncurses curses termcap terminfo termlib tinfo; do
875        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
876       done
877       AC_CHECK_LIB(readline, rl_callback_handler_install,
878        [TERMLIBS="-lreadline $TERMLIBS"
879        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
880        break], [TERMLIBS=], $TERMLIBS)])
881     ;;
882   no)
883     AC_MSG_RESULT(no)
884     ;;
885   *)
886     AC_MSG_RESULT(yes)
887
888     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
889     # alternate readline path
890     _ldflags=${LDFLAGS}
891     _cppflags=${CPPFLAGS}
892
893     # Add additional search path
894     LDFLAGS="-L$with_readline/lib $LDFLAGS"
895     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
896
897     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
898     AC_CHECK_HEADERS(readline/history.h)
899
900     AC_CHECK_HEADERS(readline.h readline/readline.h,[
901       for termlib in ncurses curses termcap terminfo termlib; do
902        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
903       done
904       AC_CHECK_LIB(readline, rl_callback_handler_install,
905        [TERMLDFLAGS="-L$with_readline/lib"
906        TERMCPPFLAGS="-I$with_readline/include"
907        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
908        TERMLIBS="-lreadline $TERMLIBS"
909        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
910        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
911
912     LDFLAGS=$_ldflags
913     ;;
914   esac],
915   AC_MSG_RESULT(no)
916 )
917 AC_SUBST(TERMLIBS)
918 AC_SUBST(TERMLDFLAGS)
919
920 # The readline API changed slightly from readline3 to readline4, so
921 # code will generate warnings on one of them unless we have a few
922 # special cases.
923 AC_CHECK_LIB(readline, rl_completion_matches,
924              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
925                         [Do we have rl_completion_matches?])],
926              [],
927              [$TERMLIBS])
928
929 # not all readline libs have rl_event_hook or history_list
930 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
931 AC_CHECK_LIB(readline, history_list,
932              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
933              [],
934              [$TERMLIBS])
935
936 ###############################################
937 # test for where we get yp_get_default_domain() from
938 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
939 AC_CHECK_FUNCS(yp_get_default_domain)
940
941 # Check if we have execl, if not we need to compile smbrun.
942 AC_CHECK_FUNCS(execl)
943 if test x"$ac_cv_func_execl" = x"no"; then
944     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun"
945 fi
946
947 AC_CHECK_FUNCS(getcwd fchown chmod fchmod mknod mknod64)
948 AC_CHECK_FUNCS(strtol)
949 AC_CHECK_FUNCS(strchr chflags)
950 AC_CHECK_FUNCS(getrlimit fsync setpgid)
951 AC_CHECK_FUNCS(fdatasync,,[AC_CHECK_LIB_EXT(rt, LIBS, fdatasync)])
952 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
953 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
954 AC_CHECK_FUNCS(initgroups select rdchk getgrnam getgrent pathconf)
955 AC_CHECK_FUNCS(getgrset)
956 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups syscall sysconf)
957 AC_CHECK_FUNCS(atexit grantpt posix_fallocate)
958 AC_CHECK_FUNCS(fallocate)
959 AC_CHECK_FUNCS(fseeko setluid getpwanam)
960 AC_CHECK_FUNCS(fdopendir)
961 AC_CHECK_FUNCS(getpwent_r)
962 AC_CHECK_FUNCS(setenv strcasecmp fcvt fcvtl)
963 AC_CHECK_FUNCS(syslog vsyslog timegm)
964 AC_CHECK_FUNCS(setlocale)
965 AC_CHECK_FUNCS(nanosleep,,[AC_CHECK_LIB_EXT(rt, LIBS, nanosleep)])
966 AC_CHECK_FUNCS(lutimes futimes utimensat futimens)
967 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
968 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
969 AC_CHECK_HEADERS(sys/mman.h)
970 # setbuffer, shmget, shm_open are needed for smbtorture
971 AC_CHECK_FUNCS(shmget shm_open)
972 AC_CHECK_FUNCS(gettext dgettext)
973 AC_CHECK_FUNCS(bindtextdomain textdomain bind_textdomain_codeset)
974 AC_CHECK_FUNCS(strupr)
975
976 # Find a method of generating a stack trace
977 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
978 # libexecinfo provides backtrace_symbols on FreeBSD
979 AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
980 AC_CHECK_FUNCS(backtrace_symbols)
981 AC_CHECK_LIB(exc, trace_back_stack)
982
983 # check for sysctlbyname and sysctl for BSD systems
984 AC_CHECK_FUNCS(sysctlbyname)
985 AC_CHECK_FUNCS(sysctl)
986
987 #################################################
988 # Check to see if core dump directory is defined in linux
989 # with /proc/sys/kernel/core_pattern
990
991 AC_CHECK_FILE([/proc/sys/kernel/core_pattern],
992         AC_DEFINE(HAVE_SYS_KERNEL_PROC_CORE_PATTERN, 1,
993         [Whether Linux kernel uses core_pattern for core files]),
994          [])
995
996 #############################
997 # check if building with gpfs
998 AC_CHECK_HEADERS(gpfs_gpl.h)
999 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes"; then
1000     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL headers are available])
1001     default_shared_modules="$default_shared_modules vfs_gpfs"
1002     default_shared_modules="$default_shared_modules vfs_gpfs_hsm_notify"
1003 fi
1004
1005 # Note that all the libunwind symbols in the API are defined to internal
1006 # platform-specific version, so we must include libunwind.h before checking
1007 # any of them.
1008 AC_MSG_CHECKING([for libunwind])
1009 save_LIBS=$LIBS
1010
1011 UNWIND_ARCH="unknown"
1012 if test x"$UNAME_I" != x"unknown"; then
1013         UNWIND_ARCH="$UNAME_I"
1014 elif test x"$UNAME_M" != x"unknown"; then
1015         UNWIND_ARCH="$UNAME_M"
1016 elif test x"$UNAME_P" != x"unknown"; then
1017         UNWIND_ARCH="$UNAME_P"
1018 fi
1019
1020 case "$UNWIND_ARCH" in
1021         unknown)
1022                 # This probably won't link without
1023                 # the platform-specific libunwind.
1024                 LIBS="$LIBS -lunwind"
1025                 ;;
1026         i386|i586|i686)
1027                 # Add the platform-specific libunwind module.
1028                 LIBS="$LIBS -lunwind -lunwind-x86"
1029                 ;;
1030         *)
1031                 # Add the platform-specific libunwind module.
1032                 # based on uname -i, uname -m or uname -p
1033                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1034                 ;;
1035 esac
1036
1037 AC_TRY_LINK(
1038     [
1039 #ifdef HAVE_LIBUNWIND_H
1040 #include <libunwind.h>
1041 #endif
1042     ],
1043     [
1044         unw_context_t ctx; unw_cursor_t cur;
1045         char buf[256]; unw_word_t off;
1046         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1047         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1048     ],
1049     [
1050         AC_MSG_RESULT(yes)
1051         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1052
1053         # If we have libunwind, test whether we also have libunwind-ptrace
1054         # which would let us unwind arbitrary processes.
1055         save_LIBS=$LIBS
1056         AC_CHECK_HEADERS(libunwind-ptrace.h)
1057         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1058             [
1059                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1060                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1061                     [Whether libunwind-ptrace.a is available.])
1062             ],
1063             [ LIBUNWIND_PTRACE="" ])
1064
1065         LIBS=$save_LIBS
1066     ],
1067     [
1068         AC_MSG_RESULT(no)
1069         LIBS=$save_LIBS
1070     ])
1071
1072 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1073 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1074     AC_CHECK_HEADERS(sys/ptrace.h)
1075     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1076     AC_TRY_LINK(
1077             [
1078 #if HAVE_SYS_TYPES_H
1079 #include <sys/types.h>
1080 #endif
1081 #if HAVE_SYS_PTRACE_H
1082 #include <sys/ptrace.h>
1083 #endif
1084             ],
1085             [
1086                 pid_t me = (pid_t)-1;
1087                 ptrace(PTRACE_ATTACH, me, 0, 0);
1088                 ptrace(PTRACE_DETACH, me, 0, 0);
1089                 return 0;
1090             ],
1091             [
1092                 AC_MSG_RESULT(yes)
1093                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1094                     [Whether the Linux ptrace(2) interface is available.])
1095             ],
1096             [
1097                 AC_MSG_RESULT(no)
1098                 LIBUNWIND_PTRACE=""
1099             ])
1100 fi
1101
1102 AC_SUBST(LIBUNWIND_PTRACE)
1103
1104 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1105 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1106 AC_CHECK_FUNCS(__getcwd _getcwd)
1107 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1108 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1109 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1110 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1111 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1112 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1113 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek)
1114 AC_CHECK_FUNCS(pread _pread __pread)
1115 AC_CHECK_FUNCS(pwrite _pwrite __pwrite)
1116 AC_CHECK_FUNCS(prctl)
1117
1118 AC_TRY_COMPILE([
1119 #ifdef HAVE_SYS_PRCTL_H
1120 #include <sys/prctl.h>
1121 #endif
1122 ],
1123 [int i; i = prtcl(0); ],
1124 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1125
1126 #
1127 #
1128 #
1129 case "$host_os" in
1130     *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
1131        # glibc <= 2.3.2 has a broken getgrouplist
1132        AC_CACHE_CHECK([for good getgrouplist],samba_cv_linux_getgrouplist_ok,[AC_TRY_RUN([
1133 #include <unistd.h>
1134 #include <sys/utsname.h>
1135 main() {
1136        /* glibc up to 2.3 has a broken getgrouplist */
1137 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1138        int libc_major = __GLIBC__;
1139        int libc_minor = __GLIBC_MINOR__;
1140
1141        if (libc_major < 2)
1142               return(1);
1143        if ((libc_major == 2) && (libc_minor <= 3))
1144               return(1);
1145 #endif
1146        return(0);
1147 }
1148 ], [samba_cv_linux_getgrouplist_ok=yes],
1149    [samba_cv_linux_getgrouplist_ok=no],
1150    [samba_cv_linux_getgrouplist_ok=cross])])
1151        if test x"$samba_cv_linux_getgrouplist_ok" = x"yes"; then
1152           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1153        fi
1154        ;;
1155     *)
1156        AC_CHECK_FUNCS(getgrouplist)
1157        ;;
1158 esac
1159
1160 #################################################
1161 # Check whether struct stat has timestamps with sub-second resolution.
1162 #
1163
1164 samba_cv_stat_hires=no
1165 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec], # Linux, Solaris
1166         [samba_cv_stat_hires=yes])
1167 AC_CHECK_MEMBERS([struct stat.st_mtimensec], # BSD, if defined _POSIX_SOURCE
1168         [samba_cv_stat_hires=yes])
1169 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec], # BSD, if not defined _POSIX_SOURCE
1170         [samba_cv_stat_hires=yes])
1171 AC_CHECK_MEMBERS([struct stat.st_mtime_n], # AIX
1172         [samba_cv_stat_hires=yes])
1173 AC_CHECK_MEMBERS([struct stat.st_umtime], # Tru64
1174         [samba_cv_stat_hires=yes])
1175
1176 if test x"$samba_cv_stat_hires" = x"yes" ; then
1177     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1178             [whether struct stat has sub-second timestamps])
1179 fi
1180
1181 # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1182 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
1183 AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
1184
1185
1186 AC_CACHE_CHECK([whether there is DOS flags support in the stat struct], samba_cv_stat_dos_flags,
1187     [
1188         AC_TRY_COMPILE(
1189             [#include <sys/stat.h>],
1190             [
1191                 int a = UF_DOS_ARCHIVE;
1192                 int h = UF_DOS_HIDDEN;
1193                 int r = UF_DOS_RO;
1194                 int s = UF_DOS_SYSTEM;
1195                 int i = UF_DOS_NOINDEX;
1196                 int f = UF_DOS_FLAGS;
1197             ],
1198             samba_cv_stat_dos_flags=yes, samba_cv_stat_dos_flags=no)
1199     ])
1200
1201 if test x"$samba_cv_stat_dos_flags" = x"yes" ; then
1202     AC_DEFINE(HAVE_STAT_DOS_FLAGS, 1, [whether there is DOS flags support in the stat struct])
1203 fi
1204
1205 AC_CACHE_CHECK([whether we can compile with __attribute__((destructor))],
1206                samba_cv_function_attribute_destructor,
1207                [
1208                  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
1209                         [
1210                                 __attribute__((destructor))
1211                                 static void cleanup(void) { }
1212                         ])],
1213                         samba_cv_function_attribute_destructor=yes)
1214                 ])
1215
1216 if test x"$samba_cv_function_attribute_destructor" = xyes ; then
1217    AC_DEFINE(HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR, 1,
1218              [whether we can compile with __attribute__((destructor))])
1219 fi
1220
1221 #####################################
1222 # needed for SRV lookups
1223 AC_CHECK_LIB(resolv, dn_expand)
1224 AC_CHECK_LIB(resolv, _dn_expand)
1225 AC_CHECK_LIB(resolv, __dn_expand)
1226
1227 #
1228 # Check for the functions putprpwnam, set_auth_parameters,
1229 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1230 # Needed for OSF1 and HPUX.
1231 #
1232
1233 AC_LIBTESTFUNC(security, putprpwnam)
1234 AC_LIBTESTFUNC(sec, putprpwnam)
1235
1236 AC_LIBTESTFUNC(security, set_auth_parameters)
1237 AC_LIBTESTFUNC(sec, set_auth_parameters)
1238
1239 # UnixWare 7.x has its getspnam in -lgen
1240 AC_LIBTESTFUNC(gen, getspnam)
1241
1242 AC_LIBTESTFUNC(security, getspnam)
1243 AC_LIBTESTFUNC(sec, getspnam)
1244
1245 AC_LIBTESTFUNC(security, bigcrypt)
1246 AC_LIBTESTFUNC(sec, bigcrypt)
1247
1248 AC_LIBTESTFUNC(security, getprpwnam)
1249 AC_LIBTESTFUNC(sec, getprpwnam)
1250
1251 AC_CHECK_FUNCS(strsignal)
1252
1253 AC_DISABLE_STATIC
1254 AC_ENABLE_SHARED
1255
1256 # Set defaults
1257 PIE_CFLAGS=""
1258 PIE_LDFLAGS=""
1259 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1260
1261 if test "x$enable_pie" != xno
1262 then
1263         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1264         [
1265                 cat > conftest.c <<EOF
1266 int foo;
1267 int main () { return 0;}
1268 EOF
1269                 if AC_TRY_COMMAND_NO_STDERR([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c])
1270                 then
1271                         samba_cv_fpie=yes
1272                 else
1273                         samba_cv_fpie=no
1274                 fi
1275                 rm -f conftest*
1276         ])
1277         if test x"${samba_cv_fpie}" = x"yes"
1278         then
1279                 PIE_CFLAGS="-fPIE"
1280                 PIE_LDFLAGS="-pie"
1281         fi
1282 fi
1283
1284 # Set defaults
1285 RELRO_LDFLAGS=""
1286 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1287
1288 if test "x$enable_relro" != xno
1289 then
1290         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1291         [
1292                 cat > conftest.c <<EOF
1293 int foo;
1294 main () { return 0;}
1295 EOF
1296                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1297                 then
1298                         samba_cv_relro=yes
1299                 else
1300                         samba_cv_relro=no
1301                 fi
1302                 rm -f conftest*
1303         ])
1304         if test x"${samba_cv_relro}" = x"yes"
1305         then
1306                 RELRO_LDFLAGS="-Wl,-z,relro"
1307         fi
1308 fi
1309
1310 # Set defaults
1311 SYMSEXT="syms"
1312 AC_SUBST(SYMSEXT)
1313
1314 # Assume non-shared by default and override below
1315 BLDSHARED="false"
1316
1317 # these are the defaults, good for lots of systems
1318 HOST_OS="$host_os"
1319 LDSHFLAGS="-shared"
1320 MODULE_EXPORTS=""
1321 SONAMEFLAG="#"
1322 SHLD="\${CC} \${CFLAGS}"
1323 PICFLAG="${PIE_CFLAGS}"
1324 SHLIBEXT="so"
1325 DSO_EXPORTS=""
1326
1327 # this bit needs to be modified for each OS that supports share libs
1328 # You need to specify how to create a shared library and
1329   # how to compile C code to produce PIC object files
1330
1331   AC_MSG_CHECKING([ability to build shared libraries])
1332
1333   # and these are for particular systems
1334   case "$host_os" in
1335                 *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
1336                         case "$host_os" in
1337                                 *linux*) AC_DEFINE(LINUX,1,[Whether the host os is linux]) ;;
1338                                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx]) ;;
1339                         esac
1340                         BLDSHARED="true"
1341                         LDSHFLAGS="-shared -Wl,-Bsymbolic"
1342                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1343                                 LDSHFLAGS_Z_NODEFS="-Wl,--allow-shlib-undefined"
1344                         fi
1345                         DYNEXP="-Wl,--export-dynamic"
1346                         PICFLAG="-fPIC"
1347                         SONAMEFLAG="-Wl,-soname="
1348                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1349                         ;;
1350                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1351                         BLDSHARED="true"
1352                         if test "${GCC}" = "yes"; then
1353                                 PICFLAG="-fPIC"
1354                                 SONAMEFLAG="-Wl,-soname="
1355                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1356                                         DYNEXP="-Wl,-E"
1357                                 fi
1358                                 LDSHFLAGS="-shared"
1359                         else
1360                                 PICFLAG="-KPIC"
1361                                 LDSHFLAGS="-G"
1362                         fi
1363                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1364                                 SONAMEFLAG="-Wl,-soname="
1365                         else
1366                                 SONAMEFLAG="-Wl,-h,"
1367                         fi
1368                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1369                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1370                         ;;
1371                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1372                         BLDSHARED="true"
1373                         LDSHFLAGS="-G"
1374                         SONAMEFLAG="-Wl,-h,"
1375                         PICFLAG="-KPIC"   # Is this correct for SunOS
1376                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1377                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1378                         ;;
1379                 *netbsd* | *freebsd* | *dragonfly* )
1380                         BLDSHARED="true"
1381                         LDSHFLAGS="-shared"
1382                         DYNEXP="-Wl,--export-dynamic"
1383                         SONAMEFLAG="-Wl,-soname,"
1384                         PICFLAG="-fPIC -DPIC"
1385                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1386                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1387                         ;;
1388                 *openbsd*)  BLDSHARED="true"
1389                         LDSHFLAGS="-shared"
1390                         DYNEXP="-Wl,-Bdynamic"
1391                         SONAMEFLAG="-Wl,-soname,"
1392                         PICFLAG="-fPIC"
1393                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1394                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1395                         ;;
1396                 *irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
1397                         case "$host_os" in
1398                         *irix6*) AC_DEFINE(IRIX6,1,[Whether the host os is irix6])
1399                         ;;
1400                         esac
1401                         BLDSHARED="true"
1402                         LDSHFLAGS="-Wl,-set_version,sgi1.0 -shared"
1403                         SONAMEFLAG="-Wl,-soname,"
1404                         if test "${GCC}" = "yes"; then
1405                                 PICFLAG="-fPIC"
1406                         else
1407                                 PICFLAG="-KPIC"
1408                         fi
1409                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1410                         ;;
1411                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1412                         BLDSHARED="true"
1413                         # use expfull to export underscored symbols
1414                         # add rtl to remove /lib/crt0.o warning
1415                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1416                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1417                         PICFLAG="-O2"
1418                         # as AIX code is always position independent...
1419                         # .po will just create compile warnings, use po.o:
1420                         if test "${GCC}" != "yes"; then
1421                                 ## for funky AIX compiler using strncpy()
1422                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000 -qhalt=e"
1423                         fi
1424
1425                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1426                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1427                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1428                         ;;
1429                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1430                         # ia64: 64bit build using gcc with CFLAGS="-mpl64"
1431                         #       64bit build using HP's cc with CFLAGS="+DD64"
1432                         # hppa: 64bit build unsupported by gcc
1433                         #       64bit build using HP's cc with CFLAGS="+DA2.0w"
1434                         # HP-UX 11.00 ld needs PHSS_33034
1435                         BLDSHARED="true"
1436                         if test "${GCC}" = "yes"; then
1437                                 PICFLAG="-fPIC"
1438                                 LDSHFLAGS="-shared"
1439                         else
1440                                 PICFLAG="+z"
1441                                 LDSHFLAGS="-b"
1442                                 # "Uses depth-first symbol resolution"
1443                                 LDSHFLAGS="$LDSHFLAGS -Wl,-B,symbolic,-b"
1444                                 if test "$host_cpu" != "ia64"; then
1445                                         # "don't store literals in read-only memory" (?):
1446                                         PICFLAG="$PICFLAG +ESnolit"
1447                                 fi
1448                         fi
1449                         if test "$host_cpu" = "ia64"; then
1450                                 SHLIBEXT="so"
1451                                 # TODO: does the linker find the right 32/64 bit version of the libs? :
1452                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32:/usr/local/lib/hpux64:/usr/lib/hpux64"
1453                         else
1454                                 SHLIBEXT="sl"
1455                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1456                         fi
1457                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1458                                 SONAMEFLAG="-Wl,-soname="
1459                         else
1460                                 SONAMEFLAG="-Wl,+h,"
1461                         fi
1462                         # PIE/PIC flags at link time are required on HP-UX because
1463                         # linking requires a temporary source file, which is being
1464                         # compiled with the indicated flags - which need to contain
1465                         # PIC flags when we don't support PIE flags:
1466                         if test "$PIE_LDFLAGS" = "" ; then
1467                                 PIE_LDFLAGS=\${PICFLAG}
1468                         fi
1469                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1470                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1471                         ;;
1472                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1473                         BLDSHARED="true"
1474                         LDSHFLAGS="-shared"
1475                         SONAMEFLAG="-Wl,-soname,"
1476                         if test "${GCC}" = "yes"; then
1477                                 PICFLAG="-fPIC"
1478                         fi
1479                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1480                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1481                         for flags in "-expect_unresolved '*'" "-Wl,-expect_unresolved,'*'" ; do
1482                                 saved_ldflags="$LDFLAGS"
1483                                 AC_MSG_CHECKING([if $flags works])
1484                                 LDFLAGS="$flags $saved_ldflags"
1485                                 AC_TRY_LINK([],[],
1486                                         [AC_MSG_RESULT([yes])
1487                                         LDSHFLAGS_Z_NODEFS=$flags],
1488                                         AC_MSG_RESULT([no]))
1489                                 LDFLAGS="$saved_ldflags"
1490                                 test x"$LDSHFLAGS_Z_NODEFS" != x && break
1491                         done
1492                         ;;
1493                 *sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
1494                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1495                         ;;
1496                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1497                         BLDSHARED="true"
1498                         LDSHFLAGS="-shared"
1499                         SONAMEFLAG="-Wl,-soname,"
1500                         PICFLAG="-KPIC"
1501                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1502                         ;;
1503                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1504                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1505                         ;;
1506                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1507                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1508                         ;;
1509                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1510                         case "$host" in
1511                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1512                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1513                                         fi
1514                                         LDSHFLAGS="-G"
1515                                         DYNEXP="-Bexport"
1516                                 ;;
1517                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1518                         esac
1519                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1520                         ;;
1521
1522                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1523                         if [ test "$GCC" != yes ]; then
1524                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1525                         fi
1526                         LDSHFLAGS="-G"
1527                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1528                         ;;
1529                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1530                         BLDSHARED="false"
1531                         LDSHFLAGS=""
1532                         ;;
1533
1534                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1535                         BLDSHARED="true"
1536                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1537                         CFLAGS="$CFLAGS -fno-common"
1538                         SHLD="\${CC}"
1539                         SHLIBEXT="dylib"
1540                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1541                         SHLIBEXT="dylib"
1542                         # Since gcc doesn't fail on unrecognised options, the
1543                         # PIE test incorrectly succeeds. Darwin gcc does not
1544                         # actually support the PIE stuff.
1545                         PIE_LDFLAGS=
1546                         PIE_CFLAGS=
1547                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1548                         ;;
1549
1550                 *)
1551                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1552                         ;;
1553   esac
1554
1555 if test "$enable_shared" != "yes"; then
1556         BLDSHARED=false
1557 fi
1558
1559 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1560         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1561 fi
1562
1563 if test x"$BLDSHARED" = x"true" ; then
1564         LDFLAGS="$LDFLAGS -L./bin"
1565 fi
1566
1567 AC_MSG_RESULT($BLDSHARED)
1568
1569 if test x"$enable_developer" = x"yes" ; then
1570         default_as_needed=auto
1571 else
1572         default_as_needed=no
1573 fi
1574 AC_ARG_ENABLE(as-needed,
1575         AS_HELP_STRING([--enable-as-needed],
1576         [Turn on as-needed support if available (default=no)]),
1577         [enable_as_needed=$enableval],
1578         [enable_as_needed=$default_as_needed])
1579 if test "x$enable_as_needed" != xno; then
1580     saved_before_as_needed_ldflags="$LDFLAGS"
1581     for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do
1582         saved_ldflags="$LDFLAGS"
1583         AC_MSG_CHECKING([if $flags works])
1584         LDFLAGS="$flags $saved_ldflags"
1585         AC_TRY_LINK([],[],
1586                 [AC_MSG_RESULT([yes])
1587                 LD_AS_NEEDED_FLAG=$flags
1588                 ld_as_needed_flag_found=yes],
1589                 AC_MSG_RESULT([no]))
1590         LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags"
1591         test x"$ld_as_needed_flag_found" = xyes && break
1592     done
1593 fi
1594
1595 if test x$ld_as_needed_flag_found = xyes -a x$enable_as_needed = xauto ; then
1596 # check if ld has bug described in https://bugzilla.samba.org/show_bug.cgi?id=7209#c17
1597         AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG has explicit external libs bug])
1598 cat > conftest_shb.c <<END
1599 void b() {}
1600 END
1601 cat > conftest_sha.c <<END
1602 extern void b();
1603 void a() {
1604         b();
1605 }
1606 END
1607 cat > conftest.c <<END
1608 extern void a();
1609 int main() {
1610         a();
1611         return 0;
1612 }
1613 END
1614
1615         rm -fr conftest
1616         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_sha.o conftest_sha.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1617         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_shb.o conftest_shb.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1618         TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1619         AC_TRY_COMMAND([$TESTCMD -o libconftest_shb.$SHLIBEXT conftest_shb.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1620         AC_TRY_COMMAND([$TESTCMD -o libconftest_sha.$SHLIBEXT conftest_sha.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1621         AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
1622         if AC_TRY_COMMAND([eval "$LIB_PATH_VAR=. ./conftest 1>&AS_MESSAGE_LOG_FD 2>&1"])
1623         then
1624                 AC_MSG_RESULT([no])
1625         else
1626                 ld_as_needed_flag_found=no
1627                 LDFLAGS="$saved_before_as_needed_ldflags"
1628                 AC_MSG_RESULT([yes])
1629         fi
1630         rm conftest* libconftest*
1631 fi
1632
1633 # check if we have to disable LD_AS_NEEDED_FLAG:
1634 # On some systems for a veriety of reasons linking with
1635 # -Wl,--as-needed -lreadline -lncurses fails
1636 # we have to retest, if these combination is detected before.
1637 # Bugzilla #7209
1638
1639 if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then
1640         if test x$ld_as_needed_flag_found = xyes ; then
1641                 AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline])
1642                 # try if check no fails
1643                 save_LIBS=$LIBS
1644                 LIBS="$LIBS $TERMLIBS"
1645                 AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"])
1646                 LIBS="$save_LIBS"
1647         fi
1648 fi
1649
1650
1651
1652 # for historical reasons almost all linkers don't complain about unresolved
1653 # symbols in shared libs. Except for the internal samba modules we want to get
1654 # errors when we produce a shared lib with unresolved symbols. On some
1655 # platforms unresolved symbols might be intended, so we might have to add
1656 # platform specific exceptions here.
1657
1658 for flags in "-Wl,-z,defs" "-error_unresolved" "-Wl,-error_unresolved" ; do
1659         saved_ldflags="$LDFLAGS"
1660         AC_MSG_CHECKING([if $flags works])
1661         LDFLAGS="$flags $saved_ldflags"
1662         AC_TRY_LINK([],[],
1663         [AC_MSG_RESULT([yes])
1664         LDSHFLAGS_Z_DEFS=$flags
1665         ldshflags_z_defs_found=yes],
1666         AC_MSG_RESULT([no]))
1667         LDFLAGS=$saved_ldflags
1668         test x"$ldshflags_z_defs_found" = xyes && break
1669 done
1670
1671 AC_MSG_CHECKING([LDSHFLAGS_Z_DEFS])
1672 AC_MSG_RESULT([$LDSHFLAGS_Z_DEFS])
1673 AC_MSG_CHECKING([LDFLAGS])
1674 AC_MSG_RESULT([$LDFLAGS])
1675 AC_MSG_CHECKING([DYNEXP])
1676 AC_MSG_RESULT([$DYNEXP])
1677
1678 #######################################################
1679 # test whether building a shared library actually works
1680 if test $BLDSHARED = true; then
1681
1682 AC_MSG_CHECKING([SHLD])
1683 AC_MSG_RESULT([$SHLD])
1684 AC_MSG_CHECKING([LDSHFLAGS])
1685 AC_MSG_RESULT([$LDSHFLAGS])
1686
1687 AC_MSG_CHECKING([SHLIBEXT])
1688 AC_MSG_RESULT([$SHLIBEXT])
1689 AC_MSG_CHECKING([SONAMEFLAG])
1690 AC_MSG_RESULT([$SONAMEFLAG])
1691
1692 AC_MSG_CHECKING([PICFLAG])
1693 AC_MSG_RESULT([$PICFLAG])
1694
1695 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1696 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1697
1698 AC_CACHE_CHECK([whether building shared libraries actually works],
1699                [ac_cv_shlib_works],[
1700    # try building a trivial shared library
1701    ac_cv_shlib_works=no
1702    # The $SHLD and $LDSHFLAGS variables may contain references to other
1703    # variables so they need to be eval'ed.
1704    if AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.o ${srcdir-.}/../tests/shlib.c 1>&AS_MESSAGE_LOG_FD])
1705    then
1706      TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1707      TESTCMD="$TESTCMD -o \"shlib.$SHLIBEXT\" shlib.o"
1708      if AC_TRY_COMMAND([eval $TESTCMD 1>&AS_MESSAGE_LOG_FD 2>&1])
1709      then
1710        ac_cv_shlib_works=yes
1711      fi
1712    fi
1713    rm -f "shlib.$SHLIBEXT" shlib.o
1714
1715 ])
1716 if test $ac_cv_shlib_works = no; then
1717    BLDSHARED=false
1718 fi
1719 fi
1720
1721 if test x"$BLDSHARED" != x"true"; then
1722         LDSHFLAGS="shared-libraries-disabled"
1723         SONAMEFLAG="shared-libraries-disabled"
1724         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1725         SHLD="shared-libraries-disabled"
1726         PICFLAG="${PIE_CFLAGS}"
1727         SHLIBEXT="shared_libraries_disabled"
1728         smbtorture4_possible=no
1729 fi
1730
1731 AC_MSG_CHECKING([used PICFLAG])
1732 AC_MSG_RESULT([$PICFLAG])
1733
1734 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
1735
1736
1737
1738 ###########################################################
1739 #
1740 # Configuration of subsystems / libraries
1741 #
1742 ###########################################################
1743
1744 INSTALLLIBCMD_SH=:
1745 INSTALLLIBCMD_A=:
1746 UNINSTALLLIBCMD_SH=:
1747 UNINSTALLLIBCMD_A=:
1748
1749 if test $BLDSHARED = true; then
1750         INSTALLLIBCMD_SH="\$(INSTALLCMD)"
1751         UNINSTALLLIBCMD_SH="rm -f"
1752 fi
1753 if test $enable_static = yes; then
1754         INSTALLLIBCMD_A="\$(INSTALLCMD)"
1755         UNINSTALLLIBCMD_A="rm -f"
1756 fi
1757
1758 #################################################
1759 # --disable-shared-libs
1760 # can be used to disable the internal use of shared libs altogether
1761 # (this only has an effect when building shared libs is enabled)
1762 #
1763 USESHARED=false
1764 AC_SUBST(USESHARED)
1765
1766 AC_MSG_CHECKING(whether to use shared libraries internally)
1767 AC_ARG_ENABLE([shared-libs],
1768         AS_HELP_STRING([--enable-shared-libs],
1769                 [Use shared libraries internally (default=yes)]),
1770         [enable_shared_libs=$enableval],
1771         [enable_shared_libs=yes])
1772
1773 if test x"$enable_shared_libs" != x"no" ; then
1774         USESHARED=$BLDSHARED
1775 fi
1776
1777 AC_MSG_RESULT([$USESHARED])
1778
1779 if test x"$enable_shared_libs" = x"yes" -a x"$BLDSHARED" != x"true" ; then
1780         AC_MSG_WARN([--enable-shared-libs: no support for shared libraries])
1781 fi
1782
1783 #################################################
1784 # --with-static-libs=LIBS:
1785 #   link (internal) libs dynamically or statically?
1786 #
1787 # If a subsystem is built as a library then this controls whether they are
1788 # linked into Samba targets statically or dynamically:
1789 #
1790 # * If we build the shared library at all, we link dynamically by default.
1791 #
1792 # * We only link statically if we don't build shared or if the library
1793 #   appears in the --with-static-libs configure option.
1794 #
1795 # Example:
1796 #   --with-static-libs=libtalloc makes use of libtalloc.a instead
1797 #   of linking the dynamic variant with -ltalloc.
1798 #
1799 # NOTE: This option only affects libraries that we do not only build
1800 # but that samba also links against as libraries (as opposed to linking
1801 # the plain object files. - This has to be configured in Makefile.in.
1802 # So in particular it does not harm to give invalid or unknown names here.
1803 #
1804
1805 AC_ARG_WITH([static-libs],
1806         [AS_HELP_STRING([--with-static-libs=LIBS],
1807                 [Comma-separated list of names of (internal) libraries to link statically (instead of dynamically)])],
1808         [AS_IF([test $withval],
1809                 [for lib in `echo $withval | sed -e 's/,/ /g'` ; do
1810                         [lib=`echo $lib | tr '[a-z]' '[A-Z]'`]
1811                         eval LINK_$lib=STATIC
1812                 done], [])],
1813         [])
1814
1815 #
1816 # WORKAROUND:
1817 #   until we have organized other internal subsystems (as util, registry
1818 #   and smbconf) into shared libraries, we CAN NOT link libnetapi
1819 #   dynamically to samba programs.
1820 #
1821 LINK_LIBNETAPI=STATIC
1822
1823 LINK_LIBSMBCLIENT=STATIC
1824
1825 #
1826 #  The library versions are hardcoded here
1827 #  and filled into the LIBFOO_SOVER variable.
1828 #
1829 #  TODO: for talloc and tdb (at least), these should
1830 #  be extracted from their respective source directories
1831 #
1832 AC_ARG_ENABLE(external_libtalloc,
1833         [AS_HELP_STRING([--enable-external-libtalloc],
1834                 [Enable external talloc [default=auto]])],
1835         [ enable_external_libtalloc=$enableval ],
1836         [ enable_external_libtalloc=auto ])
1837
1838 if test "x$enable_external_libtalloc" != xno
1839 then
1840         PKG_CHECK_MODULES(LIBTALLOC, talloc >= 2.0.1,
1841                 [ enable_external_libtalloc=yes ],
1842                 [ if test x$enable_external_libtalloc = xyes; then
1843                         AC_MSG_ERROR([Unable to find libtalloc])
1844                   else
1845                         enable_external_libtalloc=no
1846                   fi
1847                 ])
1848 fi
1849
1850 if test "x$enable_external_libtalloc" = xno
1851 then
1852         m4_include(../lib/talloc/libtalloc.m4)
1853         LINK_LIBTALLOC=STATIC
1854         LIBTALLOCVERSION=`grep ^VERSION ${tallocdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1855         SMB_LIBRARY(talloc, 2, ${LIBTALLOCVERSION})
1856         LIBTALLOC_OBJ0=""
1857         for obj in ${TALLOC_OBJ}; do
1858                 LIBTALLOC_OBJ0="${LIBTALLOC_OBJ0} ${tallocdir}/${obj}"
1859         done
1860         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
1861         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TALLOC_CFLAGS}"
1862         AC_SUBST(LIBTALLOC_OBJ0)
1863
1864         TALLOCTORT="bin/talloctort"
1865         AC_SUBST(TALLOCTORT)
1866 fi
1867
1868
1869 AC_ARG_ENABLE(external_libtdb,
1870         [AS_HELP_STRING([--enable-external-libtdb],
1871                 [Enable external tdb [default=auto]])],
1872                 [ enable_external_libtdb=$enableval ],
1873                 [ enable_external_libtdb=auto ])
1874
1875 if test "x$enable_external_libtdb" != xno
1876 then
1877         PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.6,
1878                 [ enable_external_libtdb=yes ],
1879                 [
1880                 if test x$enable_external_libtdb = xyes; then
1881                         AC_MSG_ERROR([Unable to find libtdb])
1882                 else
1883                         enable_external_libtdb=no
1884                 fi
1885                 ])
1886 fi
1887
1888 AC_SUBST(LIBTDB_OBJ0)
1889 if test "x$enable_external_libtdb" = xno
1890 then
1891         m4_include(../lib/tdb/libtdb.m4)
1892         LINK_LIBTDB=STATIC
1893         LIBTDBVERSION=`grep ^VERSION ${tdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1894         SMB_LIBRARY(tdb, 1, ${LIBTDBVERSION})
1895         LIBTDB_OBJ0=""
1896         LIBTDB_LIBS="$LIBTDB_LIBS $TDB_DEPS"
1897         for obj in ${TDB_OBJ}; do
1898                 LIBTDB_OBJ0="${LIBTDB_OBJ0} ${tdbdir}/${obj}"
1899         done
1900         AC_SUBST(LIBTDB_OBJ0)
1901         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
1902         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TDB_CFLAGS}"
1903
1904         TDBBACKUP="bin/tdbbackup"
1905         AC_SUBST(TDBBACKUP)
1906         TDBDUMP="bin/tdbdump"
1907         AC_SUBST(TDBDUMP)
1908         TDBRESTORE="bin/tdbrestore"
1909         AC_SUBST(TDBRESTORE)
1910         TDBTOOL="bin/tdbtool"
1911         AC_SUBST(TDBTOOL)
1912         TDBTORTURE="bin/tdbtorture"
1913         AC_SUBST(TDBTORTURE)
1914 fi
1915
1916 AC_ARG_ENABLE(external_libntdb,
1917         [AS_HELP_STRING([--enable-external-libntdb],
1918                 [Enable external ntdb [default=auto]])],
1919                 [ enable_external_libntdb=$enableval ],
1920                 [ enable_external_libntdb=auto ])
1921
1922 if test "x$enable_external_libntdb" != xno
1923 then
1924         PKG_CHECK_MODULES(LIBNTDB, ntdb >= 1.0,
1925                 [ enable_external_libntdb=yes ],
1926                 [
1927                 if test x$enable_external_libntdb = xyes; then
1928                         AC_MSG_ERROR([Unable to find libntdb])
1929                 else
1930                         enable_external_libntdb=no
1931                 fi
1932                 ])
1933 fi
1934
1935 AC_SUBST(LIBNTDB_OBJ0)
1936 if test "x$enable_external_libntdb" = xno
1937 then
1938         m4_include(../lib/ntdb/libntdb.m4)
1939         LINK_LIBNTDB=STATIC
1940         LIBNTDBVERSION=`grep ^VERSION ${ntdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1941         SMB_LIBRARY(ntdb, 1, ${LIBNTDBVERSION})
1942         LIBNTDB_OBJ0=""
1943         LIBNTDB_LIBS="$LIBNTDB_LIBS $NTDB_DEPS"
1944         for obj in ${NTDB_OBJ}; do
1945                 LIBNTDB_OBJ0="${LIBNTDB_OBJ0} ${ntdbdir}/${obj}"
1946         done
1947         AC_SUBST(LIBNTDB_OBJ0)
1948         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${NTDB_CFLAGS}"
1949         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${NTDB_CFLAGS}"
1950
1951         NTDBBACKUP="bin/ntdbbackup"
1952         AC_SUBST(NTDBBACKUP)
1953         NTDBDUMP="bin/ntdbdump"
1954         AC_SUBST(NTDBDUMP)
1955         NTDBRESTORE="bin/ntdbrestore"
1956         AC_SUBST(NTDBRESTORE)
1957         NTDBTOOL="bin/ntdbtool"
1958         AC_SUBST(NTDBTOOL)
1959         NTDBTORTURE="bin/ntdbtorture"
1960         AC_SUBST(NTDBTORTURE)
1961 fi
1962
1963 SMB_LIBRARY(netapi, 0)
1964 SMB_LIBRARY(smbclient, 0)
1965 SMB_LIBRARY(smbsharemodes, 0)
1966
1967
1968 ################
1969
1970 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
1971 AC_TRY_RUN([#include <stdio.h>
1972 main() { long long x = 1000000; x *= x; return(((x/1000000) == 1000000)? 0: 1); }],
1973 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
1974 if test x"$samba_cv_have_longlong" = x"yes"; then
1975     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
1976     AC_CHECK_TYPE(intptr_t, unsigned long long)
1977 else
1978     AC_CHECK_TYPE(intptr_t, unsigned long)
1979 fi
1980
1981 #
1982 # Check if the compiler supports the LL prefix on long long integers.
1983 # AIX needs this.
1984
1985 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
1986     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
1987         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
1988 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
1989    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
1990 fi
1991
1992
1993 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
1994 AC_TRY_RUN([#include <time.h>
1995 main() { return((sizeof(time_t) == 8) ? 0 : 1); }],
1996 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
1997 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
1998     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
1999 fi
2000
2001 AC_CACHE_CHECK([for TIME_T_MAX],samba_cv_TIME_T_MAX,[
2002 AC_TRY_RUN([#include <time.h>
2003 main() {
2004         struct tm *tm;
2005         if (sizeof(time_t) == 8) {
2006                 time_t max_time = 0x7fffffffffffffffll;
2007                 tm = gmtime(&max_time);
2008                 /* This should fail with 32-bit tm_year. */
2009                 if (tm == NULL) {
2010                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
2011                         max_time = 67768036191676799ll;
2012                         tm = gmtime(&max_time);
2013                         if (tm) {
2014                                 return(0);
2015                         }
2016                 }
2017         }
2018         return(1);
2019 }],
2020 samba_cv_TIME_T_MAX=yes,samba_cv_TIME_T_MAX=no,samba_cv_TIME_T_MAX=cross)])
2021 if test x"$samba_cv_TIME_T_MAX" = x"yes"; then
2022     AC_DEFINE(TIME_T_MAX,67768036191676799ll,[The maximum value of the 'time_t' type])
2023 fi
2024
2025
2026 #
2027 # As a gating factor for large file support, in order to
2028 # use >4GB files we must have the following minimal support
2029 # available: a 64 bit off_t
2030 # If we don't have all of these then fail the build
2031 #
2032
2033 AC_MSG_CHECKING([if large file support can be enabled])
2034 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
2035 AC_TRY_RUN([#include <stdio.h>
2036 #include <sys/stat.h>
2037 main() { return((sizeof(off_t) == 8) ? 0 : 1); }],
2038 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
2039 if test x"$samba_cv_SIZEOF_OFF_T" = x"no"; then
2040     AC_MSG_ERROR(["large file support support not available: sizeof(off_t) != 8"])
2041 fi
2042
2043 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
2044 AC_TRY_RUN([
2045 #if defined(HAVE_UNISTD_H)
2046 #include <unistd.h>
2047 #endif
2048 #include <stdio.h>
2049 #include <sys/stat.h>
2050 main() { return((sizeof(ino_t) == 8) ? 0 : 1); }],
2051 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
2052 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
2053     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
2054 fi
2055
2056 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
2057 AC_TRY_RUN([
2058 #if defined(HAVE_UNISTD_H)
2059 #include <unistd.h>
2060 #endif
2061 #include <stdio.h>
2062 #include <sys/stat.h>
2063 main() { return((sizeof(dev_t) == 8) ? 0 : 1); }],
2064 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
2065 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
2066     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
2067 fi
2068
2069 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
2070 AC_TRY_RUN([
2071 #if defined(HAVE_UNISTD_H)
2072 #include <unistd.h>
2073 #endif
2074 #include <sys/types.h>
2075 main() { dev_t dev; int i = major(dev); return 0; }],
2076 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
2077 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
2078     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
2079 fi
2080
2081 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
2082 AC_TRY_RUN([
2083 #if defined(HAVE_UNISTD_H)
2084 #include <unistd.h>
2085 #endif
2086 #include <sys/types.h>
2087 main() { dev_t dev; int i = minor(dev); return 0; }],
2088 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
2089 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
2090     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
2091 fi
2092
2093 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
2094 AC_TRY_RUN([
2095 #if defined(HAVE_UNISTD_H)
2096 #include <unistd.h>
2097 #endif
2098 #include <sys/types.h>
2099 main() { dev_t dev = makedev(1,2); return 0; }],
2100 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
2101 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
2102     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
2103 fi
2104
2105 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
2106 AC_TRY_COMPILE([#include <sys/types.h>
2107 #include <dirent.h>
2108 void seekdir(DIR *d, long loc) { return; }],[return 0;],
2109 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
2110 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
2111     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
2112 fi
2113
2114 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
2115 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
2116 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
2117 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
2118     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
2119 fi
2120
2121 if test x"$libreplace_cv_HAVE_CLOCK_GETTIME_IN_LIBRT" = xyes ; then
2122         LIBS="$LIBS -lrt"
2123 fi
2124
2125 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2126 AC_TRY_RUN([#include <sys/types.h>
2127 #include <dirent.h>
2128 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2129 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2130 di->d_name[0] == 0) return(0); return(1);} ],
2131 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2132 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2133     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2134 fi
2135
2136 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2137 AC_TRY_COMPILE([#include <sys/types.h>
2138 #include <utime.h>],
2139 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; return(utime("foo.c",&tbuf));],
2140 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2141 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2142     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2143 fi
2144
2145 ##############
2146 # Check utmp details, but only if our OS offers utmp.h
2147 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2148 dnl  utmp and utmpx come in many flavours
2149 dnl  We need to check for many of them
2150 dnl  But we don't need to do each and every one, because our code uses
2151 dnl  mostly just the utmp (not utmpx) fields.
2152
2153 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx getutxent)
2154
2155 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2156 AC_TRY_COMPILE([#include <sys/types.h>
2157 #include <utmp.h>],
2158 [struct utmp ut;  ut.ut_name[0] = 'a';],
2159 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2160 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2161     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2162 fi
2163
2164 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2165 AC_TRY_COMPILE([#include <sys/types.h>
2166 #include <utmp.h>],
2167 [struct utmp ut;  ut.ut_user[0] = 'a';],
2168 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2169 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2170     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2171 fi
2172
2173 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2174 AC_TRY_COMPILE([#include <sys/types.h>
2175 #include <utmp.h>],
2176 [struct utmp ut;  ut.ut_id[0] = 'a';],
2177 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2178 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2179     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2180 fi
2181
2182 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2183 AC_TRY_COMPILE([#include <sys/types.h>
2184 #include <utmp.h>],
2185 [struct utmp ut;  ut.ut_host[0] = 'a';],
2186 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2187 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2188     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2189 fi
2190
2191 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2192 AC_TRY_COMPILE([#include <sys/types.h>
2193 #include <utmp.h>],
2194 [struct utmp ut;  time_t t; ut.ut_time = t;],
2195 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2196 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2197     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2198 fi
2199
2200 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2201 AC_TRY_COMPILE([#include <sys/types.h>
2202 #include <utmp.h>],
2203 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2204 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2205 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2206     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2207 fi
2208
2209 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2210 AC_TRY_COMPILE([#include <sys/types.h>
2211 #include <utmp.h>],
2212 [struct utmp ut;  ut.ut_type = 0;],
2213 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2214 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2215     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2216 fi
2217
2218 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2219 AC_TRY_COMPILE([#include <sys/types.h>
2220 #include <utmp.h>],
2221 [struct utmp ut;  ut.ut_pid = 0;],
2222 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2223 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2224     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2225 fi
2226
2227 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2228 AC_TRY_COMPILE([#include <sys/types.h>
2229 #include <utmp.h>],
2230 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2231 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2232 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2233     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2234 fi
2235
2236 dnl Look for the IPv6 varient by preference. Many systems have both.
2237 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2238 AC_TRY_COMPILE([#include <sys/types.h>
2239 #include <utmp.h>],
2240 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2241 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2242 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2243     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2244 fi
2245
2246 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2247 AC_TRY_COMPILE([#include <sys/types.h>
2248 #include <utmp.h>],
2249 [struct utmp ut;  ut.ut_addr = 0;],
2250 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2251 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2252     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2253 fi
2254
2255 if test x$ac_cv_func_pututline = xyes ; then
2256   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2257   AC_TRY_COMPILE([#include <sys/types.h>
2258 #include <utmp.h>],
2259   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2260   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2261   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2262       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2263   fi
2264 fi
2265
2266 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2267 AC_TRY_COMPILE([#include <sys/types.h>
2268 #include <utmpx.h>],
2269 [struct utmpx ux;  ux.ut_syslen = 0;],
2270 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2271 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2272     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2273 fi
2274
2275 fi
2276 # end utmp details
2277
2278 AC_CACHE_CHECK([for linux fallocate],samba_cv_HAVE_LINUX_FALLOCATE,[
2279 AC_TRY_COMPILE([
2280 #if defined(HAVE_UNISTD_H)
2281 #include <unistd.h>
2282 #endif
2283 #include <sys/types.h>
2284 #define _GNU_SOURCE
2285 #include <fcntl.h>
2286 #if defined(HAVE_LINUX_FALLOC_H)
2287 #include <linux/falloc.h>
2288 #endif],
2289 [int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2290 samba_cv_HAVE_LINUX_FALLOCATE=yes,samba_cv_HAVE_LINUX_FALLOCATE=no)])
2291 if test x"$samba_cv_HAVE_LINUX_FALLOCATE" = x"yes" && test x"$ac_cv_func_fallocate" = x"yes"; then
2292     AC_DEFINE(HAVE_LINUX_FALLOCATE,1,[Whether the Linux 'fallocate' function is available])
2293 fi
2294
2295 AC_CACHE_CHECK([for getcwd takes NULL],samba_cv_GETCWD_TAKES_NULL,[
2296 AC_TRY_RUN([
2297 #if defined(HAVE_UNISTD_H)
2298 #include <unistd.h>
2299 #endif
2300 main() { char *s = getcwd(NULL,0); if (s) return(0); return(1); }],
2301 samba_cv_GETCWD_TAKES_NULL=yes,samba_cv_GETCWD_TAKES_NULL=no,samba_cv_GETCWD_TAKES_NULL=cross)])
2302 if test x"$samba_cv_GETCWD_TAKES_NULL" = x"yes"; then
2303     AC_DEFINE(GETCWD_TAKES_NULL,1,[Whether the getcwd function takes NULL as an argument])
2304 fi
2305
2306 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2307 AC_ARG_WITH(libiconv,
2308 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2309 [
2310   if test "$withval" = "no" ; then
2311     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2312   else
2313      if test "$withval" != "yes" ; then
2314         ICONV_PATH_SPEC=yes
2315         ICONV_LOOK_DIRS="$withval"
2316      fi
2317   fi
2318 ])
2319
2320 for i in $ICONV_LOOK_DIRS ; do
2321
2322     save_LIBS="$LIBS"
2323     save_LDFLAGS="$LDFLAGS"
2324     save_CPPFLAGS="$CPPFLAGS"
2325
2326     iconv_current_LIBS=""
2327     iconv_current_LDFLAGS=""
2328     iconv_current_CPPFLAGS=""
2329
2330     ICONV_FOUND="no"
2331     unset libext
2332
2333     #  This is here to handle -withval stuff for --with-libiconv
2334     #  Perhaps we should always add a -L
2335     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2336
2337     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2338     # installation paths. This gets a little tricky since we might have iconv
2339     # in both libiconv and in libc. In this case the jm_ICONV test will always
2340     # succeed when the header is found. To counter this, make sure the
2341     # library directory is there and check the ABI directory first (which
2342     # should be harmless on other systems, but causes tons of linker warnings on
2343     # 64bit Ubuntu systems).
2344     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2345     # installed, I've decided to fix the linker warnings.
2346     # -- Kai
2347     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2348     for l in "lib" "lib32" "lib/hpux32"; do
2349         if test -d "$i/$l" ; then
2350                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2351                 LIBS=
2352                 export LDFLAGS LIBS CPPFLAGS
2353                 # Try to find iconv(3)
2354                 jm_ICONV($i/$l)
2355                 if test x"$ICONV_FOUND" = "xyes" ; then
2356                     libext="$l"
2357                     break
2358                 fi
2359         fi
2360     done
2361
2362     if test x"$ICONV_FOUND" = "xyes" ; then
2363         iconv_current_LDFLAGS="-L$i/$libext"
2364         iconv_current_CPPFLAGS="-I$i/include"
2365
2366         if test x"$jm_cv_lib_iconv" != x; then
2367             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2368         else
2369             # We found iconv in libc.
2370             iconv_current_LIBS=""
2371         fi
2372
2373     fi
2374
2375     if test x"$ICONV_FOUND" = "xyes" ; then
2376
2377         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2378         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2379         LIBS="$save_LIBS $iconv_current_LIBS"
2380         export LDFLAGS LIBS CPPFLAGS
2381
2382         default_dos_charset=no
2383         default_unix_charset=no
2384
2385         # check for default dos charset name
2386         for j in CP850 IBM850 ; do
2387             rjs_CHARSET($j)
2388             default_dos_charset="$ICONV_CHARSET"
2389             if test x"$default_dos_charset" = x"$j"; then
2390                 break
2391             fi
2392         done
2393
2394         # check for default unix charset name
2395         for j in UTF-8 UTF8 ; do
2396             rjs_CHARSET($j)
2397             default_unix_charset="$ICONV_CHARSET"
2398             if test x"$default_unix_charset" = x"$j"; then
2399                 break
2400             fi
2401         done
2402
2403         if test "$default_dos_charset" != "no" -a \
2404                 "$default_dos_charset" != "cross" -a \
2405                 "$default_unix_charset" != "no" -a \
2406                 "$default_unix_charset" != "cross"
2407         then
2408                 samba_cv_HAVE_NATIVE_ICONV=yes
2409         else
2410             if test "$default_dos_charset" = "cross" -o \
2411                      "$default_unix_charset" = "cross"
2412             then
2413                     samba_cv_HAVE_NATIVE_ICONV=cross
2414             else
2415                     samba_cv_HAVE_NATIVE_ICONV=no
2416             fi
2417         fi
2418
2419         # At this point, we have a libiconv candidate. We know that
2420         # we have the right headers and libraries, but we don't know
2421         # whether it does the conversions we want. We can't test this
2422         # because we are cross-compiling. This is not necessarily a big
2423         # deal, since we can't guarantee that the results we get now will
2424         # match the results we get at runtime anyway.
2425         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2426             default_dos_charset="CP850"
2427             default_unix_charset="UTF-8"
2428             samba_cv_HAVE_NATIVE_ICONV=yes
2429             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2430             AC_MSG_WARN([$default_dos_charset and $default_unix_charset to UCS-16LE])
2431         fi
2432
2433         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2434
2435             CPPFLAGS=$save_CPPFLAGS
2436             LDFLAGS=$save_LDFLAGS
2437             LIBS=$save_LIBS
2438
2439             if test x"$iconv_current_LIBS" != x; then
2440                 LIBS="$LIBS $iconv_current_LIBS"
2441             fi
2442
2443             # Add the flags we need to CPPFLAGS and LDFLAGS
2444             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2445             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2446
2447             # Turn the #defines into string literals
2448             default_dos_charset="\"$default_dos_charset\""
2449             default_unix_charset="\"$default_unix_charset\""
2450
2451             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2452             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2453             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2454
2455            break
2456         fi
2457
2458     # We didn't find a working iconv, so keep going
2459     fi
2460
2461     #  We only need to clean these up here for the next pass through the loop
2462     CPPFLAGS=$save_CPPFLAGS
2463     LDFLAGS=$save_LDFLAGS
2464     LIBS=$save_LIBS
2465     export LDFLAGS LIBS CPPFLAGS
2466 done
2467 unset libext
2468
2469
2470 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2471     AC_MSG_WARN([Sufficient support for iconv function was not found.
2472     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2473    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2474    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2475 fi
2476
2477
2478 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2479 AC_TRY_RUN([
2480 #include <sys/types.h>
2481 #include <fcntl.h>
2482 #ifndef F_GETLEASE
2483 #define F_GETLEASE      1025
2484 #endif
2485 main() {
2486        int fd = open("/dev/null", O_RDONLY);
2487        return fcntl(fd, F_GETLEASE, 0) == -1;
2488 }
2489 ],
2490 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2491 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2492     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2493 fi
2494
2495 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2496 AC_TRY_RUN([
2497 #include <sys/types.h>
2498 #include <fcntl.h>
2499 #include <signal.h>
2500 #ifndef F_NOTIFY
2501 #define F_NOTIFY 1026
2502 #endif
2503 main() {
2504         return(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2505 }
2506 ],
2507 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2508 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2509     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2510 fi
2511
2512 AC_CHECK_HEADER(sys/inotify.h)
2513
2514 if test x"ac_cv_header_sys_inotify_h" = x"yes"; then
2515     AC_DEFINE(HAVE_INOTIFY,1,[For inotify support])
2516 fi
2517
2518 #################################################
2519 # Check if FAM notifications are available. For FAM info, see
2520 #       http://oss.sgi.com/projects/fam/
2521 #       http://savannah.nongnu.org/projects/fam/
2522 AC_ARG_ENABLE(fam,
2523 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2524
2525 if test x$enable_fam != xno; then
2526     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2527     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2528         # On IRIX, libfam requires libC, but other FAM implementations
2529         # might not need it.
2530         AC_CHECK_LIB(fam, FAMOpen2,
2531             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam";
2532             AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2533             [samba_cv_HAVE_LIBFAM=no])
2534
2535         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2536             samba_fam_xtra=-lC
2537             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2538                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC";
2539                 AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2540                 [samba_cv_HAVE_LIBFAM=no])
2541             unset samba_fam_xtra
2542         fi
2543     fi
2544     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2545         default_shared_modules="$default_shared_modules vfs_notify_fam"
2546         AC_TRY_COMPILE([#include <fam.h>],
2547                     [enum FAMCodes code = FAMChanged;],
2548                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2549                         [Whether fam.h contains a typedef for enum FAMCodes]),
2550                     [])
2551     fi
2552
2553     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2554         AC_CHECK_LIB(fam, FAMNoExists,
2555             [AC_DEFINE(HAVE_FAMNOEXISTS, 1, Define to 1 if there is support for FAMNoExists)])
2556     fi
2557
2558     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2559         AC_MSG_ERROR(FAM support requested but FAM library not available )
2560     fi
2561 fi
2562
2563 AC_SUBST(SMB_FAM_LIBS)
2564
2565 #################################################
2566 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2567
2568
2569 with_dmapi_support=auto
2570 AC_MSG_CHECKING(whether to use DMAPI support)
2571 AC_ARG_WITH(dmapi,
2572 [AS_HELP_STRING([--with-dmapi], [Include DMAPI/XDSM support (default=auto)])],
2573 [ case "$withval" in
2574   yes|no)
2575     with_dmapi_support=$withval
2576     ;;
2577   esac ]
2578 )
2579 AC_MSG_RESULT([$with_dmapi_support])
2580
2581 if test x"$with_dmapi_support" != xno ; then
2582         SMB_CHECK_DMAPI([], [
2583                 AC_MSG_NOTICE(DMAPI support not present)
2584                 if test x"$with_dmapi_support" = xyes ; then
2585                         AC_MSG_ERROR(no DMAPI support found but requested!)
2586                 fi
2587                 ]
2588         )
2589 fi
2590
2591 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2592 # Theoretically it should work with AIX JFS2 too but this needs testing
2593 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2594     default_shared_modules="$default_shared_modules vfs_tsmsm"
2595 fi
2596
2597 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2598 AC_TRY_RUN([
2599 #include <sys/types.h>
2600 #include <fcntl.h>
2601 #include <signal.h>
2602 #include <sys/file.h>
2603 #ifndef LOCK_MAND
2604 #define LOCK_MAND       32
2605 #define LOCK_READ       64
2606 #endif
2607 main() {
2608         return(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2609 }
2610 ],
2611 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2612 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2613     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2614 fi
2615
2616
2617 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2618 AC_TRY_COMPILE([#include <sys/types.h>
2619 #include <fcntl.h>],
2620 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2621 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2622 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2623     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2624 fi
2625
2626 #################################################
2627 # Check for POSIX capability support
2628
2629 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2630     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2631     [], [])
2632
2633 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2634
2635     ac_save_LIBS=$LIBS
2636     AC_LIBTESTFUNC(cap, cap_get_proc)
2637
2638     AC_CACHE_CHECK([for POSIX capabilities],
2639             samba_cv_HAVE_POSIX_CAPABILITIES,
2640             [
2641                 AC_TRY_RUN([
2642 #include <sys/types.h>
2643 #include <sys/capability.h>
2644 main() {
2645  cap_t cap;
2646  cap_value_t vals[1];
2647  if (!(cap = cap_get_proc()))
2648    return(1);
2649  vals[0] = CAP_CHOWN;
2650  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2651  cap_set_proc(cap);
2652  return(0);
2653 }],
2654                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2655                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2656                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2657             ])
2658
2659 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2660     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2661             [Whether POSIX capabilities are available])
2662 else
2663     LIBS=$ac_save_LIBS
2664 fi
2665
2666 fi
2667
2668 #
2669 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2670 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2671 #
2672
2673 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2674 AC_TRY_COMPILE([#include <sys/types.h>
2675 #if defined(HAVE_RPC_RPC_H)
2676 #include <rpc/rpc.h>
2677 #endif],
2678 [int16 testvar;],
2679 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2680 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2681     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2682 fi
2683
2684 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2685 AC_TRY_COMPILE([#include <sys/types.h>
2686 #if defined(HAVE_RPC_RPC_H)
2687 #include <rpc/rpc.h>
2688 #endif],
2689 [uint16 testvar;],
2690 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2691 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2692     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2693 fi
2694
2695 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2696 AC_TRY_COMPILE([#include <sys/types.h>
2697 #if defined(HAVE_RPC_RPC_H)
2698 #include <rpc/rpc.h>
2699 #endif],
2700 [int32 testvar;],
2701 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2702 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2703     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2704 fi
2705
2706 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2707 AC_TRY_COMPILE([#include <sys/types.h>
2708 #if defined(HAVE_RPC_RPC_H)
2709 #include <rpc/rpc.h>
2710 #endif],
2711 [uint32 testvar;],
2712 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2713 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2714     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2715 fi
2716
2717 dnl
2718 dnl Some systems (SCO) have a problem including
2719 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2720 dnl as a #define in <prot.h> and as part of an enum
2721 dnl in <rpc/rpc.h>.
2722 dnl
2723
2724 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2725 AC_TRY_COMPILE([#include <sys/types.h>
2726 #ifdef HAVE_SYS_SECURITY_H
2727 #include <sys/security.h>
2728 #include <prot.h>
2729 #endif  /* HAVE_SYS_SECURITY_H */
2730 #if defined(HAVE_RPC_RPC_H)
2731 #include <rpc/rpc.h>
2732 #endif],
2733 [int testvar;],
2734 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2735 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2736     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2737 fi
2738
2739 AC_MSG_CHECKING([for test routines])
2740 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
2741            AC_MSG_RESULT(yes),
2742            AC_MSG_ERROR([cant find test code. Aborting config]),
2743            AC_MSG_WARN([cannot run when cross-compiling]))
2744
2745 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2746 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
2747            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2748 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2749     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2750 fi
2751
2752 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2753 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
2754            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2755 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2756     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2757 fi
2758
2759 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2760 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2761 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2762 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2763 AC_CHECK_FUNCS(getpagesize)
2764
2765 ################################################
2766 # look for a method of setting the effective uid
2767 seteuid=no;
2768
2769 case "$host_os" in
2770 *linux*)
2771 if test $seteuid = no; then
2772 AC_CACHE_CHECK([for Linux thread-specific credentials],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2773 AC_TRY_RUN([
2774 #define AUTOCONF_TEST 1
2775 #define USE_LINUX_THREAD_CREDENTIALS 1
2776 #include "confdefs.h"
2777 #include "${srcdir-.}/lib/util_sec.c"],
2778            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2779 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2780     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether we can use Linux thread-specific credentials])
2781 fi
2782 fi
2783 ;;
2784 esac
2785
2786 if test $seteuid = no; then
2787 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2788 AC_TRY_RUN([
2789 #define AUTOCONF_TEST 1
2790 #define USE_SETREUID 1
2791 #include "confdefs.h"
2792 #include "${srcdir-.}/lib/util_sec.c"],
2793            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2794 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2795     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2796 fi
2797 fi
2798
2799 # we check for setresuid second as it conflicts with AIO on Linux. 
2800 # see http://samba.org/~tridge/junkcode/aio_uid.c
2801 if test $seteuid = no; then
2802 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2803 AC_TRY_RUN([
2804 #define AUTOCONF_TEST 1
2805 #define USE_SETRESUID 1
2806 #include "confdefs.h"
2807 #include "${srcdir-.}/lib/util_sec.c"],
2808            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2809 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2810     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2811 fi
2812 fi
2813
2814 if test $seteuid = no; then
2815 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2816 AC_TRY_RUN([
2817 #define AUTOCONF_TEST 1
2818 #define USE_SETEUID 1
2819 #include "confdefs.h"
2820 #include "${srcdir-.}/lib/util_sec.c"],
2821            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2822 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2823     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2824 fi
2825 fi
2826
2827 if test $seteuid = no; then
2828 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2829 AC_TRY_RUN([
2830 #define AUTOCONF_TEST 1
2831 #define USE_SETUIDX 1
2832 #include "confdefs.h"
2833 #include "${srcdir-.}/lib/util_sec.c"],
2834            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2835 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2836     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2837 fi
2838 fi
2839
2840 AC_CACHE_CHECK([for the Darwin initgroups system call],
2841         samba_cv_DARWIN_INITGROUPS,
2842         AC_TRY_LINK([
2843 #include <sys/syscall.h>
2844 #include <unistd.h>
2845         ],
2846         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2847         samba_cv_DARWIN_INITGROUPS=yes,
2848         samba_cv_DARWIN_INITGROUPS=no)
2849 )
2850
2851 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2852     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2853         [Whether to use the Darwin-specific initgroups system call])
2854 fi
2855
2856 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2857 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
2858            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2859 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2860     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2861 fi
2862
2863 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
2864 AC_CACHE_CHECK([for broken posix_fallocate],samba_cv_HAVE_BROKEN_POSIX_FALLOCATE,[
2865 AC_TRY_COMPILE([
2866   #define _XOPEN_SOURCE 600
2867   #include <stdlib.h>
2868   #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
2869   #error probably broken posix_fallocate
2870   #endif
2871 ], [
2872 ], 
2873 samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=no,samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=yes)])
2874 if test x"$samba_cv_HAVE_BROKEN_POSIX_FALLOCATE" = xyes; then
2875         AC_DEFINE(HAVE_BROKEN_POSIX_FALLOCATE, 1, Whether we have a broken posix_fallocate)
2876 fi
2877
2878
2879 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2880 AC_TRY_COMPILE([#include <sys/types.h>
2881 #include <sys/stat.h>
2882 #include <unistd.h>],
2883 [struct stat st;  st.st_blocks = 0;],
2884 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2885 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2886     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2887 fi
2888
2889 AC_CACHE_CHECK([for 32 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_4,[
2890 AC_TRY_RUN([
2891 #if defined(HAVE_UNISTD_H)
2892 #include <unistd.h>
2893 #endif
2894 #include <stdio.h>
2895 #include <sys/types.h>
2896 #include <sys/stat.h>
2897 main() { return((sizeof(blkcnt_t) == 4) ? 0 : 1); }],
2898 samba_cv_SIZEOF_BLKCNT_T_4=yes,samba_cv_SIZEOF_BLKCNT_T_4=no,samba_cv_SIZEOF_BLKCNT_T_4=cross)])
2899 if test x"$samba_cv_SIZEOF_BLKCNT_T_4" = x"yes"; then
2900     AC_DEFINE(SIZEOF_BLKCNT_T_4,1,[The size of the 'blkcnt_t' type])
2901 fi
2902
2903 AC_CACHE_CHECK([for 64 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_8,[
2904 AC_TRY_RUN([
2905 #if defined(HAVE_UNISTD_H)
2906 #include <unistd.h>
2907 #endif
2908 #include <stdio.h>
2909 #include <sys/types.h>
2910 #include <sys/stat.h>
2911 main() { return((sizeof(blkcnt_t) == 8) ? 0 : 1); }],
2912 samba_cv_SIZEOF_BLKCNT_T_8=yes,samba_cv_SIZEOF_BLKCNT_T_8=no,samba_cv_SIZEOF_BLKCNT_T_8=cross)])
2913 if test x"$samba_cv_SIZEOF_BLKCNT_T_8" = x"yes"; then
2914     AC_DEFINE(SIZEOF_BLKCNT_T_8,1,[The size of the 'blkcnt_t' type])
2915 fi
2916
2917 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2918 AC_TRY_COMPILE([#include <sys/types.h>
2919 #include <sys/stat.h>
2920 #include <unistd.h>],
2921 [struct stat st;  st.st_blksize = 0;],
2922 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2923 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2924     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2925 fi
2926
2927 AC_CACHE_CHECK([for st_flags in struct stat],
2928         samba_cv_HAVE_STAT_ST_FLAGS,
2929         [
2930             AC_TRY_COMPILE([#include <sys/types.h>
2931 #include <sys/stat.h>
2932 #include <unistd.h>],
2933             [struct stat st;  st.st_flags = 0;],
2934             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2935             samba_cv_HAVE_STAT_ST_FLAGS=no,
2936             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2937         ])
2938
2939 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
2940     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
2941                 [Whether the stat struct has a st_flags member])
2942 fi
2943
2944 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
2945 AC_TRY_COMPILE([
2946 #include <sys/types.h>
2947 #include <sys/acl.h>
2948 #if defined(HAVE_RPCSVC_NIS_H)
2949 #include <rpcsvc/nis.h>
2950 #endif],
2951 [int i;],
2952 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
2953 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
2954         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
2955 fi
2956
2957 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
2958 AC_TRY_RUN([
2959 #include <stdio.h>
2960 #include <limits.h>
2961 #include <signal.h>
2962
2963 void exit_on_core(int ignored) {
2964         exit(1);
2965 }
2966
2967 main() {
2968         char *newpath;
2969         signal(SIGSEGV, exit_on_core);
2970         newpath = realpath("/tmp", NULL);
2971         return((newpath != NULL) ? 0 : 1);
2972 }
2973 ],
2974 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
2975 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
2976     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
2977 fi
2978
2979 #################################################
2980 # check for AFS clear-text auth support
2981 samba_cv_WITH_AFS=no
2982 AC_MSG_CHECKING(whether to use AFS clear-text auth)
2983 AC_ARG_WITH(afs,
2984 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
2985 [ case "$withval" in
2986   yes|auto)
2987     AC_MSG_RESULT($withval)
2988     samba_cv_WITH_AFS=$withval
2989     ;;
2990   *)
2991     AC_MSG_RESULT(no)
2992     ;;
2993   esac ],
2994   AC_MSG_RESULT(no)
2995 )
2996
2997 ####################################################
2998 # check for Linux-specific AFS fake-kaserver support
2999 samba_cv_WITH_FAKE_KASERVER=no
3000 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
3001 AC_ARG_WITH(fake-kaserver,
3002 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
3003 [ case "$withval" in
3004   yes|auto)
3005     AC_MSG_RESULT($withval)
3006     samba_cv_WITH_FAKE_KASERVER=$withval
3007     ;;
3008   *)
3009     AC_MSG_RESULT(no)
3010     ;;
3011   esac ],
3012   AC_MSG_RESULT(no)
3013 )
3014
3015 #################################################
3016 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
3017 if test x"$samba_cv_WITH_AFS" != x"no" ||
3018    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
3019
3020     # see if this box has the OpenSSL DES libraries
3021     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
3022
3023     # see if this box has the afs-headers in /usr/include/afs
3024     AC_MSG_CHECKING(for /usr/include/afs)
3025     if test -d /usr/include/afs; then
3026           AC_MSG_RESULT(yes)
3027     else
3028       AC_MSG_RESULT(no)
3029     fi
3030
3031     # check for afs.h
3032     have_afs_headers=no
3033     AC_CHECK_HEADERS(afs.h afs/afs.h)
3034     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
3035         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
3036            test x"$samba_cv_WITH_AFS" = x"auto"; then
3037                 AC_MSG_WARN([AFS cannot be supported without afs.h])
3038         else
3039                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
3040         fi
3041     else
3042         have_afs_headers=yes
3043     fi
3044 fi
3045
3046 FAKE_KASERVER_OBJ=""
3047 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
3048     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
3049     FAKE_KASERVER_OBJ="utils/net_afs.o"
3050 fi
3051 AC_SUBST(FAKE_KASERVER_OBJ)
3052
3053 #################################################
3054 # check whether to compile AFS/NT ACL mapping module
3055 samba_cv_WITH_VFS_AFSACL=no
3056 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
3057 AC_ARG_WITH(vfs-afsacl,
3058 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
3059 [ case "$withval" in
3060   yes|auto)
3061     AC_MSG_RESULT($withval)
3062     samba_cv_WITH_VFS_AFSACL=yes
3063     ;;
3064   *)
3065     AC_MSG_RESULT(no)
3066     ;;
3067   esac ],
3068   AC_MSG_RESULT(no)
3069 )
3070
3071 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
3072    default_shared_modules="$default_shared_modules vfs_afsacl"
3073 fi
3074         
3075 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
3076     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
3077 fi
3078
3079 #################################################
3080 # check for the DFS clear-text auth system
3081 AC_MSG_CHECKING(whether to use DFS clear-text auth)
3082 AC_ARG_WITH(dfs,
3083 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
3084 [ case "$withval" in
3085   yes)
3086     AC_MSG_RESULT(yes)
3087     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
3088     ;;
3089   *)
3090     AC_MSG_RESULT(no)
3091     ;;
3092   esac ],
3093   AC_MSG_RESULT(no)
3094 )
3095
3096 ########################################################
3097 # Compile with LDAP support?
3098
3099 with_ldap_support=auto
3100 AC_MSG_CHECKING([for LDAP support])
3101
3102 AC_ARG_WITH(ldap,
3103 [AS_HELP_STRING([--with-ldap], [LDAP support (default=auto)])],
3104 [ case "$withval" in
3105     yes|no)
3106         with_ldap_support=$withval
3107         ;;
3108   esac ])
3109
3110 AC_MSG_RESULT($with_ldap_support)
3111
3112 SMBLDAP=""
3113 AC_SUBST(SMBLDAP)
3114
3115 if test x"$with_ldap_support" != x"no"; then
3116
3117   ##################################################################
3118   # first test for ldap.h and lber.h
3119   # (ldap.h is required for this test)
3120   AC_CHECK_HEADERS(ldap.h lber.h)
3121
3122   if test x"$ac_cv_header_ldap_h" != x"yes"; then
3123         if test x"$with_ldap_support" = x"yes"; then
3124          AC_MSG_ERROR(ldap.h is needed for LDAP support)
3125         else
3126          AC_MSG_WARN(ldap.h is needed for LDAP support)
3127         fi
3128         
3129         with_ldap_support=no
3130   fi
3131
3132   ##################################################################
3133   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
3134   # unsigned int in include/includes.h
3135   case $host_os in
3136         *hpux*)
3137          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3138          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
3139         with_ldap_support=yes
3140         ;;
3141         *)
3142         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
3143         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
3144                 if test x"$with_ldap_support" = x"yes"; then
3145                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3146                 else
3147                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3148                 fi
3149                 with_ldap_support=no
3150         fi
3151         ;;
3152   esac
3153 fi
3154
3155 if test x"$with_ldap_support" != x"no"; then
3156   ac_save_LIBS=$LIBS
3157
3158   ##################################################################
3159   # we might need the lber lib on some systems. To avoid link errors
3160   # this test must be before the libldap test
3161   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3162
3163   ########################################################
3164   # If ber_sockbuf_add_io() is available we can add
3165   # SASL wrapping hooks
3166   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3167
3168   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3169                  AC_TRY_COMPILE([#include <ldap.h>],
3170                                 [int val = LDAP_OPT_SOCKBUF;],
3171                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3172                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3173
3174   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3175           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3176         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3177   fi
3178
3179   #######################################################
3180   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3181   # ldap logging and print it out in the samba logs
3182   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3183                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3184                  [AC_TRY_COMPILE([#include <lber.h>],
3185                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3186                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3187                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3188
3189   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3190         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3191                   [Support for LDAP/LBER logging interception])
3192   fi
3193
3194   ########################################################
3195   # now see if we can find the ldap libs in standard paths
3196   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3197
3198   ########################################################
3199   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3200   # Check found in pam_ldap 145.
3201   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3202
3203   LIBS="$LIBS $LDAP_LIBS"
3204   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3205     AC_TRY_COMPILE([
3206         #include <lber.h>
3207         #include <ldap.h>],
3208         [ldap_set_rebind_proc(0, 0, 0);],
3209         [smb_ldap_cv_ldap_set_rebind_proc=3],
3210         [smb_ldap_cv_ldap_set_rebind_proc=2]
3211     )
3212   ])
3213
3214   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3215
3216   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3217
3218   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3219     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3220     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3221     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3222     default_shared_modules="$default_shared_modules";
3223     SMBLDAP="lib/smbldap.o"
3224     with_ldap_support=yes
3225     AC_MSG_CHECKING(whether LDAP support is used)
3226     AC_MSG_RESULT(yes)
3227   else
3228     if test x"$with_ldap_support" = x"yes"; then
3229         AC_MSG_ERROR(libldap is needed for LDAP support)
3230     else
3231         AC_MSG_WARN(libldap is needed for LDAP support)
3232     fi
3233
3234     LDAP_LIBS=""
3235     with_ldap_support=no
3236   fi
3237   LIBS=$ac_save_LIBS
3238 fi
3239
3240
3241 #################################################
3242 # active directory support
3243
3244 with_ads_support=auto
3245 AC_MSG_CHECKING([for Active Directory and krb5 support])
3246
3247 AC_ARG_WITH(ads,
3248 [AS_HELP_STRING([--with-ads], [Active Directory support (default=auto)])],
3249 [ case "$withval" in
3250     yes|no)
3251         with_ads_support="$withval"
3252         ;;
3253   esac ])
3254
3255 AC_MSG_RESULT($with_ads_support)
3256
3257 FOUND_KRB5=no
3258 KRB5_LIBS=""
3259
3260 if test x"$with_ldap_support" != x"yes"; then
3261
3262     if test x"$with_ads_support" = x"yes"; then
3263         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3264     elif test x"$with_ads_support" = x"auto"; then
3265         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3266         with_ads_support=no
3267     fi
3268
3269 else
3270
3271     # Check to see whether there is enough LDAP functionality to be able
3272     # to build AD support.
3273
3274 # HPUX and Solaris only has ldap_init; ok, we take care of this in smbldap.c
3275 case "$host_os" in
3276         *hpux* | *solaris*)
3277     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3278
3279     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3280         if test x"$with_ads_support" = x"yes"; then
3281             AC_MSG_ERROR(Active Directory support on HPUX or Solaris requires ldap_init)
3282         elif test x"$with_ads_support" = x"auto"; then
3283             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX or Solaris))
3284             with_ads_support=no
3285         fi
3286     fi
3287     ;;
3288         *)
3289     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3290
3291     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3292         if test x"$with_ads_support" = x"yes"; then
3293             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3294         elif test x"$with_ads_support" = x"auto"; then
3295             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3296             with_ads_support=no
3297         fi
3298     fi
3299     ;;
3300 esac
3301
3302
3303     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3304
3305     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3306         if test x"$with_ads_support" = x"yes"; then
3307             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3308         elif test x"$with_ads_support" = x"auto"; then
3309             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3310             with_ads_support=no
3311         fi
3312     fi
3313
3314 fi
3315
3316 if test x"$with_ads_support" != x"no"; then
3317
3318   # Do no harm to the values of CFLAGS and LIBS while testing for
3319   # Kerberos support.
3320
3321   if test x$FOUND_KRB5 = x"no"; then
3322     #################################################
3323     # check for location of Kerberos 5 install
3324     AC_MSG_CHECKING(for kerberos 5 install path)
3325     AC_ARG_WITH(krb5,
3326     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3327     [ case "$withval" in
3328       no)
3329         AC_MSG_RESULT(no krb5-path given)
3330         ;;
3331       yes)
3332         AC_MSG_RESULT(/usr)
3333         ;;
3334       *)
3335         AC_MSG_RESULT($withval)
3336         KRB5_CFLAGS="-I$withval/include"
3337         KRB5_CPPFLAGS="-I$withval/include"
3338         KRB5_LDFLAGS="-L$withval/lib"
3339         FOUND_KRB5=yes
3340         if test -x "$withval/bin/krb5-config"; then
3341                 KRB5CONFIG=$withval/bin/krb5-config
3342         fi
3343         ;;
3344       esac ],
3345       AC_MSG_RESULT(no krb5-path given)
3346     )
3347   fi
3348
3349   #################################################
3350   # check for krb5-config from recent MIT and Heimdal kerberos 5
3351   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3352   AC_MSG_CHECKING(for working krb5-config)
3353   if test -x "$KRB5CONFIG" && $KRB5CONFIG --libs gssapi > /dev/null ; then
3354     ac_save_CFLAGS=$CFLAGS
3355     CFLAGS="";export CFLAGS
3356     ac_save_LDFLAGS=$LDFLAGS
3357     LDFLAGS="";export LDFLAGS
3358     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3359     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3360     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3361     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3362     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3363     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3364     FOUND_KRB5=yes
3365     AC_MSG_RESULT(yes)
3366   else
3367     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3368   fi
3369
3370   if test x$FOUND_KRB5 = x"no"; then
3371     #################################################
3372     # see if this box has the SuSE location for the heimdal krb implementation
3373     AC_MSG_CHECKING(for /usr/include/heimdal)
3374     if test -d /usr/include/heimdal; then
3375       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3376           KRB5_CFLAGS="-I/usr/include/heimdal"
3377           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3378           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3379           FOUND_KRB5=yes
3380           AC_MSG_RESULT(yes)
3381       else
3382           KRB5_CFLAGS="-I/usr/include/heimdal"
3383           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3384           FOUND_KRB5=yes
3385           AC_MSG_RESULT(yes)
3386       fi
3387     else
3388       AC_MSG_RESULT(no)
3389     fi
3390   fi
3391
3392   if test x$FOUND_KRB5 = x"no"; then
3393     #################################################
3394     # see if this box has the RedHat location for kerberos
3395     AC_MSG_CHECKING(for /usr/kerberos)
3396     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3397       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3398       KRB5_CFLAGS="-I/usr/kerberos/include"
3399       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3400       FOUND_KRB5=yes
3401       AC_MSG_RESULT(yes)
3402     else
3403       AC_MSG_RESULT(no)
3404     fi
3405   fi
3406
3407   if test x$FOUND_KRB5 = x"no"; then
3408     #################################################
3409     # see if this box has the OpenBSD location for heimdal krb5
3410     AC_MSG_CHECKING(for /usr/include/kerberosV)
3411     if test -d /usr/include/kerberosV; then
3412       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3413       KRB5_LIBS="-lcrypto"
3414       FOUND_KRB5=yes
3415       AC_MSG_RESULT(yes)
3416     else
3417       AC_MSG_RESULT(no)
3418     fi
3419   fi
3420
3421   if test x$FOUND_KRB5 = x"no"; then
3422     #################################################
3423     # see if this box has Solaris MIT kerberos implementation
3424     AC_MSG_CHECKING(for Solaris MIT kerberos)
3425     if test -x "$KRB5CONFIG" && $KRB5CONFIG --version | grep -s Solaris | grep -s MIT > /dev/null ; then
3426        FOUND_KRB5=yes
3427        KRB5_LIBS="-lgss -lkrb5"
3428        KRB5_CFLAGS="`$KRB5CONFIG --cflags`"
3429        KRB5_CPPFLAGS="`$KRB5CONFIG --cflags`"
3430        AC_MSG_RESULT(yes)
3431     else
3432       AC_MSG_RESULT(no)
3433     fi
3434   fi
3435
3436   ac_save_CFLAGS=$CFLAGS
3437   ac_save_CPPFLAGS=$CPPFLAGS
3438   ac_save_LDFLAGS=$LDFLAGS
3439
3440   # remove needless evil rpath stuff as early as possible:
3441   LIB_REMOVE_USR_LIB(KRB5_LIBS)
3442   LIB_REMOVE_USR_LIB(KRB5_LDFLAGS)
3443   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3444   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3445   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3446
3447   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3448
3449   # now check for krb5.h. Some systems have the libraries without the headers!
3450   # note that this check is done here to allow for different kerberos
3451   # include paths
3452   AC_CHECK_HEADERS(krb5.h)
3453
3454   if test x"$ac_cv_header_krb5_h" = x"no"; then
3455
3456     # Give a warning if AD support was not explicitly requested,
3457     # i.e with_ads_support = auto, otherwise die with an error.
3458
3459     if test x"$with_ads_support" = x"yes"; then
3460       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3461     else
3462       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3463     fi
3464
3465     # Turn off AD support and restore CFLAGS and LIBS variables
3466
3467     with_ads_support="no"
3468
3469     CFLAGS=$ac_save_CFLAGS
3470     CPPFLAGS=$ac_save_CPPFLAGS
3471     LDFLAGS=$ac_save_LDFLAGS
3472   fi
3473
3474   # check for new heimdal KRB5_DEPRECATED handling
3475
3476   AC_CACHE_CHECK([for KRB5_DEPRECATED define taking an identifier],
3477                 samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER,[
3478     AC_TRY_COMPILE(
3479       [#define KRB5_DEPRECATED 1
3480       #include <krb5.h>],
3481       [],
3482       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=yes,
3483       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=no)])
3484
3485   if test x"$samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER" = x"yes"; then
3486     AC_DEFINE(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER, 1,
3487                [Whether to use deprecated krb5 interfaces])
3488   fi
3489 fi
3490
3491 # Now we have determined whether we really want ADS support
3492 use_ads=no
3493 if test x"$with_ads_support" != x"no"; then
3494   use_ads=yes
3495   have_gssapi=no
3496   ac_save_LIBS=$LIBS
3497
3498   # now check for gssapi headers.  This is also done here to allow for
3499   # different kerberos include paths
3500   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h)
3501
3502   ##################################################################
3503   # we might need the k5crypto and com_err libraries on some systems
3504   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3505   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3506
3507   # Heimdal checks.
3508   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3509   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3510   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3511
3512   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3513   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3514
3515   ########################################################
3516   # now see if we can find the krb5 libs in standard paths
3517   # or as specified above
3518   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3519   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3520
3521   ########################################################
3522   # now see if we can find the gssapi libs in standard paths
3523   if test x"$have_gssapi" != x"yes"; then
3524      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3525      AC_CHECK_LIB_EXT(gss, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3526   fi
3527   ################################################################
3528   # test for AD / GSSAPI support being enabled
3529   if test x"$have_gssapi" != xyes ; then
3530         AC_MSG_WARN([Samba cannot be supported without GSSAPI])
3531         use_ads=no
3532   else
3533         AC_DEFINE(HAVE_GSSAPI, , [Whether the platform has GSSAPI support])
3534   fi
3535
3536   # This is for FreeBSD (and possibly others). gss_mech_krb5 is a
3537   # #define to GSS_KRB5_MECHANISM, which is defined in -lgssapi_krb5
3538   # Also, gsskrb5_extract_authz_data_from_sec_context is in -lgssapi_krb5
3539   AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS, GSS_KRB5_MECHANISM,
3540                    [KRB5_LIBS="$KRB5_LIBS -lgssapi_krb5"])
3541
3542   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3543   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3544   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3545   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3546   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3547   AC_CHECK_FUNC_EXT(krb5_c_string_to_key, $KRB5_LIBS)
3548   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3549   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3550   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3551   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3552   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3553   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3554   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3555   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3556   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3557   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3558   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3559   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3560   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3561   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3562   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3563   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3564   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3565   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3566   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3567   AC_CHECK_FUNC_EXT(krb5_make_principal, $KRB5_LIBS)
3568   AC_CHECK_FUNC_EXT(krb5_principal_get_num_comp, $KRB5_LIBS)
3569   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3570   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3571   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3572   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3573   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3574   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3575   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3576   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3577   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3578   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3579   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_alloc, $KRB5_LIBS)
3580   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_set_impersonate, $KRB5_LIBS)
3581   AC_CHECK_FUNC_EXT(krb5_get_creds, $KRB5_LIBS)
3582   AC_CHECK_FUNC_EXT(krb5_get_credentials_for_user, $KRB5_LIBS)
3583   AC_CHECK_FUNC_EXT(krb5_get_host_realm, $KRB5_LIBS)
3584   AC_CHECK_FUNC_EXT(krb5_free_host_realm, $KRB5_LIBS)
3585   AC_CHECK_FUNC_EXT(krb5_get_init_creds_keytab, $KRB5_LIBS)
3586   AC_CHECK_FUNC_EXT(krb5_build_principal_alloc_va, $KRB5_LIBS)
3587   AC_CHECK_FUNC_EXT(krb5_cc_get_lifetime, $KRB5_LIBS)
3588   AC_CHECK_FUNC_EXT(krb5_cc_retrieve_cred, $KRB5_LIBS)
3589   AC_CHECK_FUNC_EXT(krb5_free_checksum_contents, $KRB5_LIBS)
3590   AC_CHECK_FUNC_EXT(krb5_create_checksum, $KRB5_LIBS)
3591   AC_CHECK_FUNC_EXT(krb5_c_make_checksum, $KRB5_LIBS)
3592   AC_CHECK_FUNC_EXT(gss_krb5_import_cred, $KRB5_LIBS)
3593   AC_CHECK_FUNC_EXT(gss_get_name_attribute, $KRB5_LIBS)
3594   AC_CHECK_FUNC_EXT(gsskrb5_extract_authz_data_from_sec_context, $KRB5_LIBS)
3595   AC_CHECK_FUNC_EXT(gss_mech_krb5, $KRB5_LIBS)
3596   AC_CHECK_FUNC_EXT(gss_oid_equal, $KRB5_LIBS)
3597   AC_CHECK_FUNC_EXT(gss_inquire_sec_context_by_oid, $KRB5_LIBS)
3598   AC_CHECK_FUNC_EXT(gss_wrap_iov, $KRB5_LIBS)
3599
3600   # MIT krb5 1.8 does not expose this call (yet)
3601   AC_CHECK_DECLS(krb5_get_credentials_for_user, [], [], [#include <krb5.h>])
3602
3603   # MIT krb5 1.7beta3 (in Ubuntu Karmic) does not have this declaration
3604   # but does have the symbol
3605   AC_CHECK_DECLS(krb5_auth_con_set_req_cksumtype, [], [], [#include <krb5.h>])
3606
3607   LIBS="$KRB5_LIBS $LIBS"
3608
3609   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3610           smb_krb5_cv_creds_opt_free_context,
3611           [
3612                 AC_TRY_COMPILE([
3613                     #include <krb5.h>],
3614                     [
3615                         krb5_context ctx;
3616                         krb5_get_init_creds_opt *opt = NULL;
3617                         krb5_get_init_creds_opt_free(ctx, opt);
3618                     ],
3619                     [smb_krb5_cv_creds_opt_free_context=yes],
3620                     [smb_krb5_cv_creds_opt_free_context=no]
3621                 )
3622           ])
3623
3624   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3625         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3626             [Whether krb5_get_init_creds_opt_free takes a context argument])
3627   fi
3628
3629   AC_CACHE_CHECK([for checksum in krb5_checksum],
3630                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3631     AC_TRY_COMPILE([#include <krb5.h>],
3632       [krb5_checksum cksum; cksum.checksum.length = 0;],
3633       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3634       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3635
3636   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3637     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3638                [Whether the krb5_checksum struct has a checksum property])
3639   fi
3640
3641   AC_CACHE_CHECK([for etype in EncryptedData],
3642                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3643     AC_TRY_COMPILE([#include <krb5.h>],
3644       [EncryptedData edata; edata.etype = 0;],
3645       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3646       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3647
3648   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3649     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3650                [Whether the EncryptedData struct has a etype property])
3651   fi
3652
3653   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3654                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3655     AC_TRY_COMPILE([#include <krb5.h>],
3656       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3657       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3658       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3659
3660   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
3661     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
3662                [Whether the krb5_ap_req struct has a ticket pointer])
3663   fi
3664
3665   AC_CACHE_CHECK([for e_data pointer in krb5_error],
3666                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
3667     AC_TRY_COMPILE([#include <krb5.h>],
3668       [krb5_error err; err.e_data = NULL;],
3669       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
3670       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
3671
3672   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
3673     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
3674                [Whether the krb5_error struct has a e_data pointer])
3675   fi
3676
3677   AC_CACHE_CHECK([for krb5_crypto type],
3678                 samba_cv_HAVE_KRB5_CRYPTO,[
3679     AC_TRY_COMPILE([#include <krb5.h>],
3680       [krb5_crypto crypto;],
3681       samba_cv_HAVE_KRB5_CRYPTO=yes,
3682       samba_cv_HAVE_KRB5_CRYPTO=no)])
3683
3684   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
3685     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
3686                [Whether the type krb5_crypto exists])
3687   fi
3688
3689   AC_CACHE_CHECK([for addrtype in krb5_address],
3690                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
3691     AC_TRY_COMPILE([#include <krb5.h>],
3692       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
3693       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
3694       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
3695
3696   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
3697     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
3698                [Whether the krb5_address struct has a addrtype property])
3699   fi
3700
3701   AC_CACHE_CHECK([for addr_type in krb5_address],
3702                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
3703     AC_TRY_COMPILE([#include <krb5.h>],
3704       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
3705       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
3706       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
3707
3708   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
3709     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
3710               [Whether the krb5_address struct has a addr_type property])
3711   fi
3712
3713   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
3714                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
3715     AC_TRY_COMPILE([#include <krb5.h>],
3716       [krb5_keyblock key; key.keyvalue.data = NULL;],
3717       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
3718       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
3719
3720   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
3721     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
3722               [Whether the krb5_keyblock struct has a keyvalue property])
3723   fi
3724
3725   found_arcfour_hmac=no
3726   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
3727                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
3728     AC_TRY_COMPILE([#include <krb5.h>],
3729       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
3730       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
3731       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
3732   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
3733                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
3734     AC_TRY_COMPILE([#include <krb5.h>],
3735       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
3736       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
3737       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
3738 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
3739 # w.r.t. arcfour and windows, so we must not enable it here
3740   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
3741           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
3742     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
3743               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available])
3744     found_arcfour_hmac=yes
3745   fi
3746   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC],
3747                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC,[
3748     AC_TRY_COMPILE([#include <krb5.h>],
3749       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC;],
3750       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=yes,
3751       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=no)])
3752   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC" = x"yes"; then
3753     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC,1,
3754               [Whether the ENCTYPE_ARCFOUR_HMAC key type definition is available])
3755     found_arcfour_hmac=yes
3756   fi
3757
3758   AC_CACHE_CHECK([for ENCTYPE_AES128_CTS_HMAC_SHA1_96],
3759                  samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,[
3760     AC_TRY_COMPILE([#include <krb5.h>],
3761       [krb5_enctype enctype; enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;],
3762       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=yes,
3763       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=no)])
3764   if test x"$samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96" = x"yes"; then
3765     AC_DEFINE(HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,1,
3766               [Whether the ENCTYPE_AES128_CTS_HMAC_SHA1_96 key type definition is available])
3767   fi
3768   AC_CACHE_CHECK([for ENCTYPE_AES256_CTS_HMAC_SHA1_96],
3769                  samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,[
3770     AC_TRY_COMPILE([#include <krb5.h>],
3771       [krb5_enctype enctype; enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;],
3772       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=yes,
3773       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=no)])
3774   if test x"$samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96" = x"yes"; then
3775     AC_DEFINE(HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,1,
3776               [Whether the ENCTYPE_AES256_CTS_HMAC_SHA1_96 key type definition is available])
3777   fi
3778
3779   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
3780                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
3781     AC_TRY_COMPILE([#include <krb5.h>],
3782       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
3783       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
3784       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
3785
3786   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
3787     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
3788               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
3789   fi
3790
3791   AC_CACHE_CHECK([for KV5M_KEYTAB],
3792                  samba_cv_HAVE_KV5M_KEYTAB,[
3793     AC_TRY_COMPILE([#include <krb5.h>],
3794       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
3795       samba_cv_HAVE_KV5M_KEYTAB=yes,
3796       samba_cv_HAVE_KV5M_KEYTAB=no)])
3797
3798   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
3799       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
3800              [Whether the KV5M_KEYTAB option is available])
3801   fi
3802
3803   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
3804                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
3805     AC_TRY_COMPILE([#include <krb5.h>],
3806       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
3807       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
3808       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
3809
3810   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
3811     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
3812               [Whether KRB5_KU_OTHER_CKSUM is available])
3813   fi
3814
3815   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
3816                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
3817     AC_TRY_COMPILE([#include <krb5.h>],
3818       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
3819       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
3820       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
3821
3822   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
3823     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
3824               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
3825   fi
3826
3827   AC_CACHE_CHECK([for the krb5_princ_component macro],
3828                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
3829     AC_TRY_LINK([#include <krb5.h>],
3830       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
3831       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
3832       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
3833
3834   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
3835     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
3836                [Whether krb5_princ_component is available])
3837   fi
3838
3839   AC_CACHE_CHECK([for key in krb5_keytab_entry],
3840                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
3841     AC_TRY_COMPILE([#include <krb5.h>],
3842       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
3843       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
3844       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
3845
3846   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
3847     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
3848               [Whether krb5_keytab_entry has key member])
3849   fi
3850
3851   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
3852                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
3853     AC_TRY_COMPILE([#include <krb5.h>],
3854       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
3855       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
3856       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
3857
3858   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
3859     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
3860               [Whether krb5_keytab_entry has keyblock member])
3861   fi
3862
3863   AC_CACHE_CHECK([for magic in krb5_address],
3864                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
3865     AC_TRY_COMPILE([#include <krb5.h>],
3866       [krb5_address addr; addr.magic = 0;],
3867       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
3868       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
3869
3870   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
3871     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
3872               [Whether the krb5_address struct has a magic property])
3873   fi
3874
3875   AC_CACHE_CHECK([for WRFILE: keytab support],
3876                 samba_cv_HAVE_WRFILE_KEYTAB,[
3877     AC_TRY_RUN([
3878 #include<krb5.h>
3879   main()
3880   {
3881     krb5_context context;
3882     krb5_keytab keytab;
3883
3884     krb5_init_context(&context);
3885     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
3886   }],
3887   samba_cv_HAVE_WRFILE_KEYTAB=yes,
3888   samba_cv_HAVE_WRFILE_KEYTAB=no)])
3889
3890   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
3891       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
3892                [Whether the WRFILE:-keytab is supported])
3893   fi
3894
3895   AC_CACHE_CHECK([for krb5_realm type],
3896                 samba_cv_HAVE_KRB5_REALM_TYPE,[
3897     AC_TRY_COMPILE([#include <krb5.h>],
3898       [krb5_realm realm;],
3899       samba_cv_HAVE_KRB5_REALM_TYPE=yes,
3900       samba_cv_HAVE_KRB5_REALM_TYPE=no)])
3901
3902   if test x"$samba_cv_HAVE_KRB5_REALM_TYPE" = x"yes"; then
3903     AC_DEFINE(HAVE_KRB5_REALM_TYPE,1,
3904                [Whether the type krb5_realm exists])
3905   fi
3906
3907   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
3908                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
3909     AC_TRY_COMPILE([#include <krb5.h>],
3910     [
3911     krb5_context context;
3912     krb5_principal principal;
3913     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
3914     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
3915     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
3916
3917   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
3918     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
3919               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
3920   fi
3921
3922   AC_CACHE_CHECK([for krb5_addresses type],
3923                 samba_cv_HAVE_KRB5_ADDRESSES,[
3924     AC_TRY_COMPILE([#include <krb5.h>],
3925       [krb5_addresses addr;],
3926       samba_cv_HAVE_KRB5_ADDRESSES=yes,
3927       samba_cv_HAVE_KRB5_ADDRESSES=no)])
3928
3929   if test x"$samba_cv_HAVE_KRB5_ADDRESSES" = x"yes"; then
3930     AC_DEFINE(HAVE_KRB5_ADDRESSES,1,
3931                [Whether the type krb5_addresses type exists])
3932   fi
3933
3934   if test x"$ac_cv_func_ext_krb5_enctype_to_string" = x"yes"; then
3935     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_context context, krb5_enctype enctype, char **str)],
3936         smb_krb5_cv_enctype_to_string_takes_krb5_context_arg,[
3937         AC_TRY_RUN_STRICT([
3938                 #include <stdlib.h>
3939                 #include <krb5.h>
3940                 int main(void) {
3941                         krb5_context context = NULL;
3942                         char *str = NULL;
3943                         krb5_enctype_to_string(context, 1, &str);
3944                         if (str) free (str); 
3945                         return 0;
3946                 }
3947                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3948                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=yes,
3949                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=no)])
3950
3951     if test x"$smb_krb5_cv_enctype_to_string_takes_krb5_context_arg" = x"yes"; then
3952       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG,1,
3953                 [whether krb5_enctype_to_string takes krb5_context argument])
3954     fi
3955
3956     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_enctype enctype, char *str, size_t len)],
3957         smb_krb5_cv_enctype_to_string_takes_size_t_arg,[
3958         AC_TRY_RUN_STRICT([
3959                 #include <krb5.h>
3960                 int main(void) {
3961                         char buf[256];
3962                         krb5_enctype_to_string(1, buf, 256);
3963                         return 0;
3964                 }
3965                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3966                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=yes,
3967                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=no)])
3968
3969     if test x"$smb_krb5_cv_enctype_to_string_takes_size_t_arg" = x"yes"; then
3970       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG,1,
3971                 [whether krb5_enctype_to_string takes size_t argument])
3972     fi
3973   fi
3974
3975   AC_CACHE_CHECK([for krb5_principal_get_realm],
3976                 samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM,[
3977     AC_TRY_LINK([#include <krb5.h>],
3978       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_principal_get_realm(ctx, princ);],
3979       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=yes,
3980       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=no)])
3981
3982   if test x"$samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM" = x"yes"; then
3983     AC_DEFINE(HAVE_KRB5_PRINCIPAL_GET_REALM,1,
3984                [Whether the function krb5_principal_get_realm is defined])
3985   fi
3986
3987   AC_CACHE_CHECK([for krb5_princ_realm],
3988                 samba_cv_HAVE_KRB5_PRINC_REALM,[
3989     AC_TRY_LINK([#include <krb5.h>],
3990       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_princ_realm(ctx, princ)->data;],
3991       samba_cv_HAVE_KRB5_PRINC_REALM=yes,
3992       samba_cv_HAVE_KRB5_PRINC_REALM=no)])
3993
3994   if test x"$samba_cv_HAVE_KRB5_PRINC_REALM" = x"yes"; then
3995     AC_DEFINE(HAVE_KRB5_PRINC_REALM,1,
3996                [Whether the macro krb5_princ_realm is defined])
3997   fi
3998
3999   AC_HAVE_DECL(KRB5_PDU_NONE,[#include <krb5.h>])
4000
4001   AC_CACHE_CHECK([for flags in krb5_creds],
4002                 samba_cv_HAVE_FLAGS_IN_KRB5_CREDS,[
4003     AC_TRY_COMPILE([#include <krb5.h>],
4004       [krb5_creds creds; creds.flags.b.initial = 0;],
4005       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=yes,
4006       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=no)])
4007
4008   if test x"$samba_cv_HAVE_FLAGS_IN_KRB5_CREDS" = x"yes"; then
4009     AC_DEFINE(HAVE_FLAGS_IN_KRB5_CREDS,1,
4010                [Whether the krb5_creds struct has a flags property])
4011   fi
4012   #
4013   #
4014   # Now the decisions whether we can support krb5
4015   #
4016   # NOTE: all tests should be done before this block!
4017   #
4018   #
4019   if test x"$found_arcfour_hmac" != x"yes"; then
4020     AC_MSG_WARN(arcfour-hmac-md5 encryption type not found in -lkrb5)
4021     use_ads=no
4022   fi
4023
4024   if test x"$ac_cv_func_ext_krb5_set_real_time" != x"yes"; then
4025     AC_MSG_WARN(krb5_set_real_time encryption type not found in -lkrb5)
4026     use_ads=no
4027   fi
4028
4029   if test x"$ac_cv_lib_ext_krb5_krb5_mk_req_extended" != x"yes"; then
4030     AC_MSG_WARN(krb5_mk_req_extended not found in -lkrb5)
4031     use_ads=no
4032   fi
4033
4034   if test x"$ac_cv_func_ext_krb5_get_host_realm" != x"yes"
4035   then
4036     AC_MSG_WARN(krb5_get_host_realm not found in -lkrb5)
4037     use_ads=no
4038   fi
4039
4040   if test x"$ac_cv_func_ext_krb5_free_host_realm" != x"yes"
4041   then
4042     AC_MSG_WARN(krb5_free_host_realm not found in -lkrb5)
4043     use_ads=no
4044   fi
4045
4046   if test x"$ac_cv_func_ext_krb5_fwd_tgt_creds" != x"yes"
4047   then
4048     AC_MSG_WARN(krb5_fwd_tgt_creds not found in -lkrb5)
4049     use_ads=no
4050   fi
4051
4052   if test x"$ac_cv_func_ext_krb5_get_init_creds_opt_alloc" != x"yes"
4053   then
4054     AC_MSG_WARN(krb5_get_init_creds_opt_alloc found in -lkrb5)
4055     use_ads=no
4056   fi
4057
4058   if test x"$smb_krb5_cv_creds_opt_free_context" != x"yes"
4059   then
4060     AC_MSG_WARN(krb5_get_init_creds_opt_free not found or was too old in -lkrb5)
4061     use_ads=no
4062   fi
4063
4064   if test x"$ac_cv_func_ext_krb5_get_renewed_creds" != x"yes"
4065   then
4066     AC_MSG_WARN(krb5_get_renewed_creds not found in -lkrb5)
4067     use_ads=no
4068   fi
4069
4070   if test x"$ac_cv_func_ext_krb5_principal_compare_any_realm" != x"yes"
4071   then
4072     AC_MSG_WARN(krb5_principal_compare_any_realm not found in -lkrb5)
4073     use_ads=no
4074   fi
4075
4076   if test x"$ac_cv_func_ext_krb5_principal2salt" != x"yes" -o \
4077           x"$ac_cv_func_ext_krb5_c_string_to_key" != x"yes"
4078   then
4079         if test x"$ac_cv_func_ext_krb5_get_pw_salt" != x"yes" -o \
4080              x"$ac_cv_func_ext_krb5_string_to_key_salt" != x"yes"
4081         then
4082               AC_MSG_WARN(no CREATE_KEY_FUNCTIONS detected)
4083               use_ads=no
4084         fi
4085   fi
4086
4087   if test x"$ac_cv_func_ext_krb5_get_permitted_enctypes" != x"yes" -a \
4088           x"$ac_cv_func_ext_krb5_get_default_in_tkt_etypes" != x"yes"
4089   then
4090     AC_MSG_WARN(no GET_ENCTYPES_FUNCTIONS detected)
4091     use_ads=no
4092   fi
4093
4094   if test x"$ac_cv_func_ext_krb5_kt_free_entry" != x"yes" -a \
4095           x"$ac_cv_func_ext_krb5_free_keytab_entry_contents" != x"yes"
4096   then
4097     AC_MSG_WARN(no KT_FREE_FUNCTION detected)
4098     use_ads=no
4099   fi
4100
4101   if test x"$ac_cv_func_ext_krb5_c_verify_checksum" != x"yes"
4102   then
4103     AC_MSG_WARN(krb5_c_verify_checksum not found in -lkrb5)
4104     use_ads=no
4105   fi
4106
4107   if test x"$ac_cv_func_ext_gss_wrap_iov" != x"yes" ; then
4108     AC_MSG_WARN(gss_wrap_iov not found in -lgssapi)
4109     use_ads=no
4110   fi
4111
4112   if test x"$ac_cv_func_ext_gss_get_name_attribute" != x"yes" ; then
4113     if test x"$ac_cv_func_ext_gsskrb5_extract_authz_data_from_sec_context" != x"yes" -o \
4114             x"$ac_cv_func_ext_gss_inquire_sec_context_by_oid" != x"yes"
4115     then
4116       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)
4117       use_ads=no
4118     fi
4119   fi
4120
4121   if test x"$use_ads" = x"yes"; then
4122     AC_DEFINE(WITH_ADS,1,[Whether to include Active Directory support])
4123     AC_DEFINE(HAVE_KRB5,1,[Whether to have KRB5 support])
4124   else
4125     if test x"$with_ads_support" = x"yes"; then
4126         AC_MSG_ERROR(krb5 libs don't have all features required for Active Directory support)
4127     else
4128         AC_MSG_WARN(krb5 libs don't have all features required for Active Directory support)
4129     fi
4130     AC_REMOVE_DEFINE(HAVE_KRB5_H)
4131     AC_REMOVE_DEFINE(HAVE_GSSAPI_H)
4132     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_GENERIC_H)
4133     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_H)
4134     AC_REMOVE_DEFINE(HAVE_GSSAPI)
4135     KRB5_LIBS=""
4136     with_ads_support=no
4137   fi
4138   AC_MSG_CHECKING(whether Active Directory and krb5 support is used)
4139   AC_MSG_RESULT([$use_ads])
4140
4141 LIBS="$ac_save_LIBS"
4142 fi
4143
4144 AC_CHECK_LIB_EXT(nscd, NSCD_LIBS, nscd_flush_cache)
4145 PASSDB_LIBS="$PASSDB_LIBS $NSCD_LIBS"
4146
4147
4148 ########################################################
4149 # Compile with DNS Updates support?
4150
4151 with_dnsupdate_support=auto
4152 AC_MSG_CHECKING([whether to enable DNS Updates support])
4153
4154 AC_ARG_WITH(dnsupdate,
4155 [AS_HELP_STRING([--with-dnsupdate], [Enable DNS Updates support (default=auto)])],
4156 [ case "$withval" in
4157     yes|no)
4158         with_dnsupdate_support=$withval
4159         ;;
4160   esac ])
4161
4162 AC_MSG_RESULT($with_dnsupdate_support)
4163
4164 if test x"$with_dnsupdate_support" != x"no"; then
4165
4166   ################################################################
4167   # first test for AD / GSSAPI support being enabled
4168         if test x"$have_gssapi" != xyes -o x"$use_ads" != xyes ; then
4169                 if test x"$with_dnsupdate_support" = x"yes" ; then
4170                         AC_MSG_ERROR(DNS Updates support only possible with AD and GSSAPI support)
4171                 else
4172                         AC_MSG_NOTICE(DNS Updates support only possible with AD and GSSAPI support)
4173                         with_dnsupdate_support=no
4174                 fi
4175         fi
4176 fi
4177
4178 if test x"$with_dnsupdate_support" !