lib/replace: Remove unused nap and therefore the SCO define
[kai/samba.git] / source3 / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2
3 dnl We must use autotools 2.54 or above
4 AC_PREREQ(2.54)
5
6 AC_INIT([Samba],[3],[samba-technical@samba.org])
7
8 AC_CONFIG_SRCDIR([include/includes.h])
9 AC_CONFIG_HEADER(include/autoconf/config.h)
10 AC_DEFINE(CONFIG_H_IS_FROM_SAMBA,1,[Marker for samba's config.h])
11
12 case "$PATH" in
13     */usr/ucb*)
14         AC_MSG_WARN([\$PATH contains /usr/ucb - build errors may follow])
15         ;;
16 esac 
17
18 builddir=`pwd`
19 AC_SUBST(builddir)
20
21 m4_include(m4/samba_version.m4)
22 m4_include(m4/check_path.m4)
23 m4_include(pkg.m4)
24
25 AC_LIBREPLACE_CC_CHECKS
26 AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
27
28 m4_include(../lib/tevent/libtevent.m4)
29 m4_include(../lib/ccan/libccan.m4)
30
31 LIBTEVENT_OBJ0=""
32 for obj in ${TEVENT_OBJ}; do
33         LIBTEVENT_OBJ0="${LIBTEVENT_OBJ0} ${teventdir}/${obj}"
34 done
35 AC_SUBST(LIBTEVENT_OBJ0)
36 LIBS="${LIBS} ${TEVENT_LIBS}"
37
38 SAMBA_CPPFLAGS="-Iinclude/autoconf -Iautoconf -Iautoconf/source3"
39 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -Iinclude -I${srcdir-.}/include  -I. -I${srcdir-.}"
40 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/replace"
41 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TEVENT_CFLAGS}"
42 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${CCAN_CFLAGS}"
43 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/librpc"
44 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/.."
45 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/tdb_compat"
46
47 SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/popt"
48
49 ## cleanup the $(srcdir) in the Makefile if we are outside of the tree
50 if test "x${srcdir-.}" != "x."; then
51         SAMBA_CPPFLAGS=`echo ${SAMBA_CPPFLAGS} | sed -e "s;${srcdir};\$\(srcdir\);g"`
52 fi
53
54 dnl Unique-to-Samba variables we'll be playing with.
55 AC_SUBST(SAMBA_CPPFLAGS)
56 AC_SUBST(SHELL)
57 AC_SUBST(LDSHFLAGS)
58 AC_SUBST(SONAMEFLAG)
59 AC_SUBST(SHLD)
60 AC_SUBST(MODULE_EXPORTS)
61 AC_SUBST(DSO_EXPORTS)
62 AC_SUBST(HOST_OS)
63 AC_SUBST(PICFLAG)
64 AC_SUBST(PIE_CFLAGS)
65 AC_SUBST(PIE_LDFLAGS)
66 AC_SUBST(RELRO_LDFLAGS)
67 AC_SUBST(SHLIBEXT)
68 AC_SUBST(INSTALLLIBCMD_SH)
69 AC_SUBST(INSTALLLIBCMD_A)
70 AC_SUBST(UNINSTALLLIBCMD_SH)
71 AC_SUBST(UNINSTALLLIBCMD_A)
72
73 AC_SUBST(INSTALL_LIBWBCLIENT)
74 AC_SUBST(UNINSTALL_LIBWBCLIENT)
75 AC_SUBST(LIBWBCLIENT_SHARED_TARGET)
76 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_SOVER)
77 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_FULLVER)
78 AC_SUBST(LIBWBCLIENT_SHARED)
79 AC_SUBST(LIBWBCLIENT_STATIC_TARGET)
80 AC_SUBST(LIBWBCLIENT_STATIC)
81 AC_SUBST(LIBWBCLIENT_SOVER)
82 AC_SUBST(LIBWBCLIENT_FULLVER)
83 AC_SUBST(LIBWBCLIENT)
84 AC_SUBST(LIBWBCLIENT_LIBS)
85
86 AC_SUBST(LIBSAMBAUTIL_SHARED)
87
88 AC_SUBST(PRINT_LIBS)
89 AC_SUBST(AUTH_LIBS)
90 AC_SUBST(ACL_LIBS)
91 AC_SUBST(PASSDB_LIBS)
92 AC_SUBST(IDMAP_LIBS)
93 AC_SUBST(KRB5_LIBS)
94 AC_SUBST(LDAP_LIBS)
95 AC_SUBST(GPEXT_LIBS)
96 AC_SUBST(PAM_MODULES)
97 AC_SUBST(INSTALL_PAM_MODULES)
98 AC_SUBST(UNINSTALL_PAM_MODULES)
99 AC_SUBST(NSS_MODULES)
100 AC_SUBST(EXTRA_BIN_PROGS)
101 AC_SUBST(CIFSMOUNT_PROGS)
102 AC_SUBST(INSTALL_CIFSMOUNT)
103 AC_SUBST(UNINSTALL_CIFSMOUNT)
104 AC_SUBST(CIFSUMOUNT_PROGS)
105 AC_SUBST(INSTALL_CIFSUMOUNT)
106 AC_SUBST(UNINSTALL_CIFSUMOUNT)
107 AC_SUBST(CIFSUPCALL_PROGS)
108 AC_SUBST(INSTALL_CIFSUPCALL)
109 AC_SUBST(UNINSTALL_CIFSUPCALL)
110 AC_SUBST(EXTRA_SBIN_PROGS)
111 AC_SUBST(EXTRA_ALL_TARGETS)
112 AC_SUBST(CONFIG_LIBS)
113 AC_SUBST(NSCD_LIBS)
114
115 # compile with optimization and without debugging by default, but
116 # allow people to set their own preference.
117 # do this here since AC_CACHE_CHECK apparently sets the CFLAGS to "-g -O2"
118 # if it has no value.  This prevent *very* large debug binaries from occurring
119 # by default.
120 if test "x$debug" = "xyes" ; then
121         CFLAGS="${CFLAGS} -g"
122 fi
123 if test "x$CFLAGS" = x; then
124   CFLAGS="-O"
125 fi
126
127 m4_include(../lib/socket_wrapper/config.m4)
128 m4_include(../lib/nss_wrapper/config.m4)
129 m4_include(../lib/uid_wrapper/config.m4)
130
131 m4_include(m4/swat.m4)
132
133 DEVELOPER_CFLAGS="-DDEBUG_PASSWORD -DDEVELOPER"
134
135 # Probe the gcc version for extra CFLAGS. We always stash these in
136 # DEVELOPER_CFLAGS, so that you can turn them on and off with a simple
137 # Makefile edit, avoiding the need to re-run configure.
138 if test x"$ac_cv_prog_gcc" = x"yes" ; then
139         DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -g -Wall -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings"
140         # Add -Wdeclaration-after-statement if compiler supports it
141         AC_CACHE_CHECK(
142           [that the C compiler understands -Wdeclaration-after-statement],
143           samba_cv_HAVE_Wdeclaration_after_statement, [
144           AC_TRY_RUN_STRICT([
145             int main(void)
146             {
147                 return 0;
148             }],[$CFLAGS -Wdeclaration-after-statement],[$CPPFLAGS],[$LDFLAGS],
149             samba_cv_HAVE_Wdeclaration_after_statement=yes,
150             samba_cv_HAVE_Wdeclaration_after_statement=no,
151             samba_cv_HAVE_Wdeclaration_after_statement=cross)
152        ])
153
154         if test x"$samba_cv_HAVE_Wdeclaration_after_statement" = x"yes"; then
155             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Wdeclaration-after-statement"
156         fi
157
158         #-Werror-implicit-function-declaration
159         AC_CACHE_CHECK(
160           [that the C compiler understands -Werror-implicit-function-declaration],
161           samba_cv_HAVE_Werror_implicit_function_declaration, [
162           AC_TRY_RUN_STRICT([
163             int main(void)
164             {
165                 return 0;
166             }],[$CFLAGS -Werror-implicit-function-declaration],[$CPPFLAGS],[$LDFLAGS],
167             samba_cv_HAVE_Werror_implicit_function_declaration=yes,
168             samba_cv_HAVE_Werror_implicit_function_declaration=no,
169             samba_cv_HAVE_Werror_implicit_function_declaration=cross)
170        ])
171        if test x"$samba_cv_HAVE_Werror_implicit_function_declaration" = x"yes"; then
172             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Werror-implicit-function-declaration"
173        fi
174
175         # krb5developer is like developer, except we don't get
176         # -Wstrict-prototypes.
177        if test x"$krb5_developer" != x"$yes" ; then
178             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Wstrict-prototypes"
179        fi
180
181        if test x"$picky_developer" = x"yes"; then
182             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Werror"
183        fi
184 fi
185
186 #################################################
187 # check for a shared memory profiling support
188 AC_MSG_CHECKING(whether to use profiling)
189 AC_ARG_WITH(profiling-data,
190 [AS_HELP_STRING([--with-profiling-data], [Include gathering source code profile information (default=no)])],
191 [ case "$withval" in
192   yes)
193     AC_MSG_RESULT(yes)
194     AC_DEFINE(WITH_PROFILE,1,[Whether to use profiling])
195     samba_cv_WITH_PROFILE=yes
196     ;;
197   *)
198     AC_MSG_RESULT(no)
199     samba_cv_WITH_PROFILE=no
200     ;;
201   esac ],
202   AC_MSG_RESULT(no)
203 )
204
205 dnl Checks for programs.
206 AC_ARG_ENABLE(smbtorture4,
207         [AS_HELP_STRING([--enable-smbtorture4], [Enable building smbtorture4 (default=auto)])])
208
209 if test x$enable_smbtorture4 != xno; then
210         smbtorture4_possible=yes
211 else
212         smbtorture4_possible=no
213 fi
214
215 AC_PROG_INSTALL
216 AC_PROG_AWK
217 # Check for GNU make
218 m4_include(../m4/check_make.m4)
219 AC_SAMBA_GNU_MAKE([true], [true])
220
221 # Check for perl
222 m4_include(../m4/check_perl.m4)
223 AC_SAMBA_PERL([true], [smbtorture4_possible=no])
224
225 # Check for python
226 m4_include(../m4/check_python.m4)
227 AC_SAMBA_PYTHON_DEVEL([true], [smbtorture4_possible=no])
228
229 AC_CHECK_TOOL(AR, ar)
230
231 dnl Check if we (actually our C compiler!) use GNU ld
232 AC_PROG_LD_GNU
233
234 dnl Certain versions of GNU ld the default is not to have the
235 dnl --allow-shlib-undefined flag defined.  This causes a stackload of
236 dnl warnings when building modules.
237 if test "$ac_cv_prog_gnu_ld" = "yes"; then
238         ac_cv_gnu_ld_version=`$CC -Wl,-v /dev/null 2>&1 < /dev/null | grep "GNU ld"`
239         AC_MSG_CHECKING(GNU ld release date)
240         changequote(,)dnl
241         ac_cv_gnu_ld_date=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
242         changequote([,])dnl
243         AC_MSG_RESULT(${ac_cv_gnu_ld_date})
244         if test -n "$ac_cv_gnu_ld_date"; then
245         if test "$ac_cv_gnu_ld_date" -lt 20030217; then
246                 ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
247         fi
248         if test "$ac_cv_gnu_ld_date" -gt 20030101; then
249                 ac_cv_gnu_ld_version_script=yes
250         fi
251         else
252            AC_MSG_CHECKING(GNU ld release version)
253            changequote(,)dnl
254            ac_cv_gnu_ld_vernr=`echo $ac_cv_gnu_ld_version | awk '{print $NF}' | sed -n 's,\([1-9][0-9]*\.[0-9][0-9]*\).*$,\1,p'`
255            ac_cv_gnu_ld_vernr_major=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 1`
256            ac_cv_gnu_ld_vernr_minor=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 2`
257            changequote([,])dnl
258            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr})
259            AC_MSG_CHECKING(GNU ld release version major)
260            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_major})
261            AC_MSG_CHECKING(GNU ld release version minor)
262            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_minor})
263            if test "$ac_cv_gnu_ld_vernr_major" -lt 2 || test "$ac_cv_gnu_ld_vernr_minor" -lt 14; then
264              ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
265            fi
266            if test "$ac_cv_gnu_ld_vernr_major" -gt 2 || test "$ac_cv_gnu_ld_vernr_major" = 2 && test "$ac_cv_gnu_ld_vernr_minor" -ge 12; then
267              ac_cv_gnu_ld_version_script=yes
268            fi
269         fi
270 fi
271
272 dnl Check if C compiler understands -c and -o at the same time
273 AC_PROG_CC_C_O
274 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
275       BROKEN_CC=
276 else
277       BROKEN_CC=#
278 fi
279 AC_SUBST(BROKEN_CC)
280
281 dnl Check if the C compiler understands -Werror (GNU)
282 AC_CACHE_CHECK([that the C compiler understands -Werror],samba_cv_HAVE_Werror, [
283  AC_TRY_RUN_STRICT([
284   int main(void)
285   {
286         return 0;
287   }],[$CFLAGS -Werror],[$CPPFLAGS],[$LDFLAGS],
288   samba_cv_HAVE_Werror=yes,samba_cv_HAVE_Werror=no,samba_cv_HAVE_Werror=cross)])
289 if test x"$samba_cv_HAVE_Werror" = x"yes"; then
290    Werror_FLAGS="-Werror"
291 else
292 dnl Check if the C compiler understands -w2
293 AC_CACHE_CHECK([that the C compiler understands -w2],samba_cv_HAVE_w2, [
294  AC_TRY_RUN_STRICT([
295   int main(void)
296   {
297         return 0;
298   }],[$CFLAGS -w2],[$CPPFLAGS],[$LDFLAGS],
299   samba_cv_HAVE_w2=yes,samba_cv_HAVE_w2=no,samba_cv_HAVE_w2=cross)])
300 if test x"$samba_cv_HAVE_w2" = x"yes"; then
301    Werror_FLAGS="-w2"
302 else
303 dnl Check if the C compiler understands -errwarn (Sun)
304 AC_CACHE_CHECK([that the C compiler understands -errwarn],samba_cv_HAVE_errwarn, [
305   AC_TRY_RUN_STRICT([
306    int main(void)
307    {
308         return 0;
309    }],[$CFLAGS -errwarn=%all],[$CPPFLAGS],[$LDFLAGS],
310    samba_cv_HAVE_errwarn=yes,samba_cv_HAVE_errwarn=no,samba_cv_HAVE_errwarn=cross)])
311 if test x"$samba_cv_HAVE_errwarn" = x"yes"; then
312    Werror_FLAGS="-errwarn=%all"
313 else
314 dnl Check if the C compiler understands -qhalt (IBM)
315 AC_CACHE_CHECK([that the C compiler understands -qhalt],samba_cv_HAVE_qhalt, [
316   AC_TRY_RUN_STRICT([
317    int main(void)
318    {
319         return 0;
320    }],[$CFLAGS -qhalt=w],[$CPPFLAGS],[$LDFLAGS],
321    samba_cv_HAVE_qhalt=yes,samba_cv_HAVE_qhalt=no,samba_cv_HAVE_qhalt=cross)])
322 if test x"$samba_cv_HAVE_qhalt" = x"yes"; then
323    Werror_FLAGS="-qhalt=w"
324 fi
325 fi
326 fi
327 fi
328
329 ############################################
330 # check if the compiler can handle negative enum values
331 # and don't truncate the values to INT_MAX
332 # a runtime test is needed here
333 AC_SUBST(PIDL_ARGS)
334 AC_CACHE_CHECK([that the C compiler understands negative enum values],samba_cv_CC_NEGATIVE_ENUM_VALUES, [
335     AC_TRY_RUN(
336 [
337         #include <stdio.h>
338         enum negative_values { NEGATIVE_VALUE = 0xFFFFFFFF };
339         int main(void) {
340                 enum negative_values v1 = NEGATIVE_VALUE;
341                 unsigned v2 = NEGATIVE_VALUE;
342
343                 if (v1 != 0xFFFFFFFF) {
344                         printf("%u != 0xFFFFFFFF\n", v1);
345                         return 1;
346                 }
347                 if (v2 != 0xFFFFFFFF) {
348                         printf("%u != 0xFFFFFFFF\n", v2);
349                         return 1;
350                 }
351
352                 return 0;
353         }
354 ],
355         samba_cv_CC_NEGATIVE_ENUM_VALUES=yes,samba_cv_CC_NEGATIVE_ENUM_VALUES=no)])
356 if test x"$samba_cv_CC_NEGATIVE_ENUM_VALUES" != x"yes"; then
357         AC_MSG_WARN([using --uint-enums for pidl])
358         PIDL_ARGS="$PIDL_ARGS --uint-enums"
359 fi
360
361 dnl Figure out the flags to support named structure initializers
362
363 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_ERROR([c99 structure initializer are not supported])])
364
365 UNAME_S=`(uname -s) 2>/dev/null` || UNAME_S="unknown"
366 AC_MSG_CHECKING(uname -s)
367 AC_MSG_RESULT(${UNAME_S})
368
369 UNAME_R=`(uname -r) 2>/dev/null` || UNAME_R="unknown"
370 AC_MSG_CHECKING(uname -r)
371 AC_MSG_RESULT(${UNAME_R})
372
373 UNAME_M=`(uname -m) 2>/dev/null` || UNAME_M="unknown"
374 AC_MSG_CHECKING(uname -m)
375 AC_MSG_RESULT(${UNAME_M})
376
377 UNAME_P=`(uname -p) 2>/dev/null` || UNAME_P="unknown"
378 AC_MSG_CHECKING(uname -p)
379 AC_MSG_RESULT(${UNAME_P})
380
381 UNAME_I=`(uname -i) 2>/dev/null` || UNAME_I="unknown"
382 AC_MSG_CHECKING(uname -i)
383 AC_MSG_RESULT(${UNAME_I})
384
385 dnl Add #include for broken IRIX header files
386   case "$host_os" in
387         *irix6*)
388                 #TODO add to libreplace
389                 if test x"$ac_cv_prog_gcc" != x"yes" ; then
390                         dnl Fix sensible defaults for MIPSPro compilers. The
391                         dnl error numbers are valid for the 7.3 compilers,
392                         dnl hopefully also valid for the 7.4 series.
393                         dnl
394                         dnl Bugzilla 3801. Force an error on warning 1035
395                         dnl so we don't incorrectly detect stdint.h. This
396                         dnl warning is emitted for #error directives.
397                         CFLAGS="$CFLAGS -diag_error 1035"
398                         dnl 1209: Controlling expression is constant
399                         dnl 1174: Function foo declared but never referenced
400                         dnl 3201: Parameter foo was never referenced
401                         CFLAGS="$CFLAGS -woff 1209,1174,3201"
402                 fi
403         ;;
404 esac
405
406 DYNEXP=
407 AC_SUBST(DYNEXP)
408 LDSHFLAGS_Z_DEFS=
409 AC_SUBST(LDSHFLAGS_Z_DEFS)
410 LDSHFLAGS_Z_NODEFS=
411 AC_SUBST(LDSHFLAGS_Z_NODEFS)
412
413 dnl Add modules that have to be built by default here
414 dnl These have to be built static:
415 default_static_modules=""
416 default_static_modules="$default_static_modules pdb_smbpasswd"
417 default_static_modules="$default_static_modules pdb_tdbsam"
418 default_static_modules="$default_static_modules pdb_wbc_sam"
419 default_static_modules="$default_static_modules rpc_lsarpc"
420 default_static_modules="$default_static_modules rpc_samr"
421 default_static_modules="$default_static_modules rpc_winreg"
422 default_static_modules="$default_static_modules rpc_initshutdown"
423 default_static_modules="$default_static_modules rpc_dssetup"
424 default_static_modules="$default_static_modules rpc_wkssvc"
425 default_static_modules="$default_static_modules rpc_svcctl"
426 default_static_modules="$default_static_modules rpc_ntsvcs"
427 default_static_modules="$default_static_modules rpc_netlogon"
428 default_static_modules="$default_static_modules rpc_netdfs"
429 default_static_modules="$default_static_modules rpc_srvsvc"
430 default_static_modules="$default_static_modules rpc_spoolss"
431 default_static_modules="$default_static_modules rpc_eventlog"
432 default_static_modules="$default_static_modules auth_sam"
433 default_static_modules="$default_static_modules auth_unix"
434 default_static_modules="$default_static_modules auth_winbind"
435 default_static_modules="$default_static_modules auth_wbc"
436 default_static_modules="$default_static_modules auth_domain"
437 default_static_modules="$default_static_modules auth_builtin"
438 default_static_modules="$default_static_modules vfs_default"
439 default_static_modules="$default_static_modules nss_info_template"
440
441 dnl These are preferably build shared, and static if dlopen() is not available
442 default_shared_modules=""
443 default_shared_modules="$default_shared_modules vfs_recycle"
444 default_shared_modules="$default_shared_modules vfs_audit"
445 default_shared_modules="$default_shared_modules vfs_extd_audit"
446 default_shared_modules="$default_shared_modules vfs_full_audit"
447 default_shared_modules="$default_shared_modules vfs_netatalk"
448 default_shared_modules="$default_shared_modules vfs_fake_perms"
449 default_shared_modules="$default_shared_modules vfs_default_quota"
450 default_shared_modules="$default_shared_modules vfs_readonly"
451 default_shared_modules="$default_shared_modules vfs_cap"
452 default_shared_modules="$default_shared_modules vfs_expand_msdfs"
453 default_shared_modules="$default_shared_modules vfs_shadow_copy"
454 default_shared_modules="$default_shared_modules vfs_shadow_copy2"
455 default_shared_modules="$default_shared_modules auth_script"
456 default_shared_modules="$default_shared_modules vfs_readahead"
457 default_shared_modules="$default_shared_modules vfs_xattr_tdb"
458 default_shared_modules="$default_shared_modules vfs_streams_xattr"
459 default_shared_modules="$default_shared_modules vfs_streams_depot"
460 default_shared_modules="$default_shared_modules vfs_acl_xattr"
461 default_shared_modules="$default_shared_modules vfs_acl_tdb"
462 default_shared_modules="$default_shared_modules vfs_smb_traffic_analyzer"
463 default_shared_modules="$default_shared_modules vfs_preopen"
464 default_shared_modules="$default_shared_modules vfs_catia"
465 default_shared_modules="$default_shared_modules vfs_scannedonly"
466 default_shared_modules="$default_shared_modules vfs_crossrename"
467 default_shared_modules="$default_shared_modules vfs_linux_xfs_sgid"
468 default_shared_modules="$default_shared_modules vfs_time_audit"
469 default_shared_modules="$default_shared_modules vfs_media_harmony"
470 default_shared_modules="$default_shared_modules idmap_autorid"
471 default_shared_modules="$default_shared_modules idmap_tdb2"
472 default_shared_modules="$default_shared_modules idmap_rid"
473 default_shared_modules="$default_shared_modules idmap_hash"
474
475 if test "x$developer" = xyes; then
476    default_shared_modules="$default_shared_modules perfcount_test"
477 fi
478
479 if test x"$selftest" = x"yes" -o "x$developer" = xyes; then
480    default_shared_modules="$default_shared_modules vfs_fake_acls"
481 fi
482
483 #
484 # Config CPPFLAG settings for strange OS's that must be set
485 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
486 # case statement; its first reference must be unconditional.
487 #
488 case "$host_os" in
489     *hpux*)
490 #
491 # Defines needed for HPUX support.
492 # HPUX has bigcrypt but (sometimes?) doesn't use it for
493 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
494 #
495       case `uname -r` in
496                 *9*|*10*|*11)
497                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
498                 ;;
499       esac
500       ;;
501
502 #
503 # AIX4.x doesn't even admit to having large
504 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
505 #
506     *aix4*)
507           AC_MSG_RESULT([enabling large file support])
508           CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
509           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
510       ;;
511 #
512 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
513 # to the existance of large files..
514 #
515 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
516 #
517         *solaris*)
518                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
519                 LDFLAGS="$LDFLAGS -lthread"
520                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
521                 ;;
522 #
523 # IRIX uses SYSV printing.  Make sure to set that here
524 #
525         *irix*)
526                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
527                 ;;
528         *freebsd*|*dragonfly*)
529                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
530                 ;;
531 #
532 # VOS may need to have POSIX support and System V compatibility enabled.
533 #
534     *vos*)
535     case "$CPPFLAGS" in
536           *-D_POSIX_C_SOURCE*)
537                 ;;
538           *)
539                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
540                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
541                 ;;
542     esac
543     case "$CPPFLAGS" in
544           *-D_SYSV*|*-D_SVID_SOURCE*)
545                 ;;
546           *)
547                 CPPFLAGS="$CPPFLAGS -D_SYSV"
548                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
549     esac
550     ;;
551 # GNU systems
552 #
553     *linux* | *hurd* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
554         CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
555         AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
556         ;;
557
558 #
559 # MacOS X is the *only* system that uses compose character in utf8. This
560 # is so horribly broken....
561 #
562     *darwin*)
563         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
564
565 # Add a system specific charset module.
566         default_shared_modules="$default_shared_modules"
567
568         ;;
569     *qnx*)
570         ;;
571
572 esac
573
574 SAVE_CPPFLAGS="${CPPFLAGS}"
575 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
576
577 AC_LIBREPLACE_BROKEN_CHECKS
578 AC_CHECK_FUNCS([syslog],[],[AC_MSG_ERROR([Required function not found])])
579 AC_LIBREPLACE_NETWORK_CHECKS
580
581 CPPFLAGS="${SAVE_CPPFLAGS}"
582
583 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
584
585 LIBREPLACE_OBJS="${LIBREPLACEOBJ}"
586 AC_SUBST(LIBREPLACE_OBJS)
587
588 LIBREPLACE_LIBS="${LIBREPLACE_NETWORK_LIBS} ${LIBREPLACE_FILESYS_LIBS}"
589 AC_SUBST(LIBREPLACE_LIBS)
590
591
592 # add -ldl to the global LIBS
593 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
594 AUTH_LIBS="${AUTH_LIBS} ${CRYPT_LIBS}"
595
596
597 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
598 AC_CHECK_HEADERS(unistd.h grp.h sys/id.h memory.h alloca.h)
599 AC_CHECK_HEADERS(limits.h float.h libintl.h)
600 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
601 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h sys/sysctl.h)
602 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
603 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
604 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
605 AC_CHECK_HEADERS(sys/sysmacros.h)
606 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
607 AC_CHECK_HEADERS(langinfo.h locale.h)
608 AC_CHECK_HEADERS(xfs/libxfs.h)
609 AC_CHECK_HEADERS(netgroup.h)
610 AC_CHECK_HEADERS(linux/falloc.h)
611 AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
612
613 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
614 #if HAVE_RPC_RPC_H
615 #include <rpc/rpc.h>
616 #endif
617 ]])
618 CRYPTO_MD5_OBJ=
619 if test "x$ac_cv_header_CommonCrypto_CommonDigest_h" != "xyes"
620 then
621         CRYPTO_MD5_OBJ="../lib/crypto/md5.o"
622 fi
623 AC_SUBST(CRYPTO_MD5_OBJ)
624
625 ## These fail to compile on IRIX so just check for their presence
626 AC_CHECK_HEADERS(sys/mode.h,,,)
627
628 # Look for Darwin headers
629 old_CPPFLAGS="$CPPFLAGS"
630 CPPFLAGS="-Iinclude $CPPFLAGS"
631 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
632 CPPFLAGS="$old_CPPFLAGS"
633
634 # To link lib/util/charset/charset_macosxfs.c, we need to tell the linker
635 # about CoreFoundation, at least on os X 10.4..10.7 resp. darwin8..12
636 case "$host_os" in
637     *darwin*)
638                 LDFLAGS="$LDFLAGS -framework CoreFoundation"
639         ;;
640 esac
641
642 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
643 # subdirectory of headers.
644 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
645
646 if test x"$enable_developer" = x"yes" ; then
647    if test x"$ac_cv_header_valgrind_h" = xyes -o \
648            x"$ac_cv_header_valgrind_valgrind_h" = xyes ; then
649       AC_DEFINE(VALGRIND,1,[Whether we have valgrind headers])
650    fi
651 fi
652
653 #
654 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
655 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
656 #
657 case "$host_os" in
658     *hpux*)
659                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
660                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
661                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
662                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
663                 fi
664         ;;
665 esac
666 AC_CHECK_HEADERS(shadow.h)
667 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
668 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
669
670 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
671
672 # For experimental utmp support (lastlog on some BSD-like systems)
673 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
674
675 AC_CHECK_SIZEOF(int,cross)
676 AC_CHECK_SIZEOF(long,cross)
677 AC_CHECK_SIZEOF(long long,cross)
678 AC_CHECK_SIZEOF(short,cross)
679
680 AC_C_CONST
681 AC_C_INLINE
682 AC_C_BIGENDIAN
683 AC_C_CHAR_UNSIGNED
684
685 AC_TYPE_SIGNAL
686 AC_TYPE_UID_T
687 AC_TYPE_MODE_T
688 AC_TYPE_OFF_T
689 AC_TYPE_SIZE_T
690 AC_TYPE_PID_T
691 AC_STRUCT_ST_RDEV
692 AC_DIRENT_D_OFF
693 AC_CHECK_TYPE(ssize_t, int)
694 AC_CHECK_TYPE(wchar_t, unsigned short)
695
696 ############################################
697 # for cups support we need libcups, and a handful of header files
698
699 AC_ARG_ENABLE(cups,
700 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
701
702 if test x$enable_cups != xno; then
703         AC_PATH_PROG(CUPS_CONFIG, cups-config)
704
705         if test "x$CUPS_CONFIG" != x; then
706
707                 ac_save_LDFLAGS=$LDFLAGS
708                 ac_save_PRINT_LIBS=$PRINT_LIBS
709                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
710
711                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
712                         x"$ac_cv_header_cups_language_h" = xyes; then
713                         # try linking with -lcups alone first. That should work unless libcups is
714                         # underlinked. With cups-config --libs we pull in unwanted and unneeded
715                         # dendencies including thread libraries - use cups-config only if really
716                         # required. 
717                         AC_CHECK_LIB_EXT(cups, ac_save_PRINT_LIBS , httpConnect,
718                                 [PRINT_LIBS="$ac_save_PRINT_LIBS -lcups"],
719                                 [AC_MSG_WARN([your cups library doesn't link with -lcups alone, it might be underlinked.]) ;
720                                  PRINT_LIBS="$ac_save_PRINT_LIBS `$CUPS_CONFIG --libs`"])
721
722                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
723                         samba_cv_HAVE_CUPS=yes
724                         AC_CHECK_LIB_EXT(cups, PRINT_LIBS, httpConnectEncrypt)
725                 else
726                         AC_MSG_WARN([cups-config around but cups-devel not installed])
727                         CFLAGS=$ac_save_CFLAGS
728                         LDFLAGS=$ac_save_LDFLAGS
729                         PRINT_LIBS=$ac_save_PRINT_LIBS
730                 fi
731
732         elif test x"$enable_cups" = x"yes"; then
733                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
734         fi
735 fi
736
737 AC_ARG_ENABLE(iprint,
738 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
739
740 if test x$enable_iprint != xno; then
741         if test x"$samba_cv_HAVE_CUPS" = xyes; then
742                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
743         elif test x"$enable_iprint" = x"yes"; then
744                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
745         fi
746 fi
747
748 ############################################
749 # check if the compiler will optimize out function calls
750 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
751     AC_TRY_LINK([
752 #include <stdio.h>],
753 [
754                 if (0) {
755                    this_function_does_not_exist();
756                 } else {
757                   return 1;
758                 }
759
760 ],
761         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
762 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
763    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
764 fi
765
766 #############################################
767 # check for fd passing struct via msg_control
768 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
769     AC_TRY_COMPILE([
770 #include <sys/types.h>
771 #include <stdlib.h>
772 #include <stddef.h>
773 #include <sys/socket.h>
774 #include <sys/un.h>],
775 [
776         struct msghdr msg;
777         union {
778               struct cmsghdr cm;
779               char control[CMSG_SPACE(sizeof(int))];
780         } control_un;
781         msg.msg_control = control_un.control;
782         msg.msg_controllen = sizeof(control_un.control);
783 ],
784         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
785 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
786    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
787              [If we can use msg_control for passing file descriptors])
788 fi
789
790 #############################################
791 # check for fd passing struct via msg_acctrights
792 AC_CACHE_CHECK([for fd passing via msg_acctrights],
793                 samba_cv_msghdr_msg_acctrights, [
794     AC_TRY_COMPILE([
795 #include <sys/types.h>
796 #include <stdlib.h>
797 #include <stddef.h>
798 #include <sys/socket.h>
799 #include <sys/un.h>],
800 [
801         struct msghdr msg;
802         int fd;
803         msg.msg_acctrights = (caddr_t) &fd;
804         msg.msg_acctrightslen = sizeof(fd);
805 ],
806         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
807 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
808    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
809              [If we can use msg_acctrights for passing file descriptors])
810 fi
811
812 AC_CHECK_FUNCS(dirfd)
813 if test x"$ac_cv_func_dirfd" = x"yes"; then
814         default_shared_modules="$default_shared_modules vfs_syncops vfs_dirsort"
815 fi
816
817 AC_CACHE_CHECK([for struct sigevent type],samba_cv_struct_sigevent, [
818     AC_TRY_COMPILE([
819 #include <sys/types.h>
820 #if STDC_HEADERS
821 #include <stdlib.h>
822 #include <stddef.h>
823 #endif
824 #include <signal.h>],[struct sigevent s;],
825         samba_cv_struct_sigevent=yes,samba_cv_struct_sigevent=no)])
826 if test x"$samba_cv_struct_sigevent" = x"yes"; then
827    AC_DEFINE(HAVE_STRUCT_SIGEVENT,1,[Whether we have the struct sigevent])
828    AC_CHECK_MEMBERS([struct sigevent.sigev_value.sival_ptr,struct sigevent.sigev_value.sigval_ptr], , ,
829         [#include <signal.h>])
830 fi
831
832 # and glibc has setresuid under linux but the function does
833 # nothing until kernel 2.1.44! very dumb.
834 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
835     AC_TRY_RUN([#include <errno.h>
836 main() { setresuid(1,1,1); setresuid(2,2,2); return(errno==EPERM?0:1);}],
837         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
838 if test x"$samba_cv_have_setresuid" = x"yes"; then
839     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
840 fi
841
842 # Do the same check for setresguid...
843 #
844 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
845     AC_TRY_RUN([#include <unistd.h>
846 #include <errno.h>
847 main() { errno = 0; setresgid(1,1,1); return(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
848         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
849 if test x"$samba_cv_have_setresgid" = x"yes"; then
850     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
851 fi
852
853 AC_FUNC_MEMCMP
854
855 ###############################################
856 # Readline included by default unless explicitly asked not to
857 test "${with_readline+set}" != "set" && with_readline=yes
858
859 # test for where we get readline() from
860 AC_MSG_CHECKING(whether to use readline)
861 AC_ARG_WITH(readline,
862 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
863 [  case "$with_readline" in
864   yes)
865     AC_MSG_RESULT(yes)
866
867     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
868     AC_CHECK_HEADERS(readline/history.h)
869
870     AC_CHECK_HEADERS(readline.h readline/readline.h,[
871       for termlib in ncurses curses termcap terminfo termlib tinfo; do
872        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
873       done
874       AC_CHECK_LIB(readline, rl_callback_handler_install,
875        [TERMLIBS="-lreadline $TERMLIBS"
876        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
877        break], [TERMLIBS=], $TERMLIBS)])
878     ;;
879   no)
880     AC_MSG_RESULT(no)
881     ;;
882   *)
883     AC_MSG_RESULT(yes)
884
885     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
886     # alternate readline path
887     _ldflags=${LDFLAGS}
888     _cppflags=${CPPFLAGS}
889
890     # Add additional search path
891     LDFLAGS="-L$with_readline/lib $LDFLAGS"
892     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
893
894     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
895     AC_CHECK_HEADERS(readline/history.h)
896
897     AC_CHECK_HEADERS(readline.h readline/readline.h,[
898       for termlib in ncurses curses termcap terminfo termlib; do
899        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
900       done
901       AC_CHECK_LIB(readline, rl_callback_handler_install,
902        [TERMLDFLAGS="-L$with_readline/lib"
903        TERMCPPFLAGS="-I$with_readline/include"
904        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
905        TERMLIBS="-lreadline $TERMLIBS"
906        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
907        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
908
909     LDFLAGS=$_ldflags
910     ;;
911   esac],
912   AC_MSG_RESULT(no)
913 )
914 AC_SUBST(TERMLIBS)
915 AC_SUBST(TERMLDFLAGS)
916
917 # The readline API changed slightly from readline3 to readline4, so
918 # code will generate warnings on one of them unless we have a few
919 # special cases.
920 AC_CHECK_LIB(readline, rl_completion_matches,
921              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
922                         [Do we have rl_completion_matches?])],
923              [],
924              [$TERMLIBS])
925
926 # not all readline libs have rl_event_hook or history_list
927 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
928 AC_CHECK_LIB(readline, history_list,
929              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
930              [],
931              [$TERMLIBS])
932
933 ###############################################
934 # test for where we get yp_get_default_domain() from
935 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
936 AC_CHECK_FUNCS(yp_get_default_domain)
937
938 # Check if we have execl, if not we need to compile smbrun.
939 AC_CHECK_FUNCS(execl)
940 if test x"$ac_cv_func_execl" = x"no"; then
941     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun"
942 fi
943
944 AC_CHECK_FUNCS(getcwd fchown chmod fchmod mknod mknod64)
945 AC_CHECK_FUNCS(strtol)
946 AC_CHECK_FUNCS(strchr chflags)
947 AC_CHECK_FUNCS(getrlimit fsync setpgid)
948 AC_CHECK_FUNCS(fdatasync,,[AC_CHECK_LIB_EXT(rt, LIBS, fdatasync)])
949 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
950 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
951 AC_CHECK_FUNCS(initgroups select rdchk getgrnam getgrent pathconf)
952 AC_CHECK_FUNCS(getgrset)
953 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups syscall sysconf)
954 AC_CHECK_FUNCS(atexit grantpt posix_fallocate)
955 AC_CHECK_FUNCS(fallocate)
956 AC_CHECK_FUNCS(fseeko setluid getpwanam)
957 AC_CHECK_FUNCS(fdopendir)
958 AC_CHECK_FUNCS(getpwent_r)
959 AC_CHECK_FUNCS(setenv strcasecmp fcvt fcvtl)
960 AC_CHECK_FUNCS(syslog vsyslog timegm)
961 AC_CHECK_FUNCS(setlocale)
962 AC_CHECK_FUNCS(nanosleep,,[AC_CHECK_LIB_EXT(rt, LIBS, nanosleep)])
963 AC_CHECK_FUNCS(lutimes futimes utimensat futimens)
964 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
965 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
966 AC_CHECK_HEADERS(sys/mman.h)
967 # setbuffer, shmget, shm_open are needed for smbtorture
968 AC_CHECK_FUNCS(shmget shm_open)
969 AC_CHECK_FUNCS(gettext dgettext)
970 AC_CHECK_FUNCS(bindtextdomain textdomain bind_textdomain_codeset)
971 AC_CHECK_FUNCS(strupr)
972
973 # Find a method of generating a stack trace
974 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
975 # libexecinfo provides backtrace_symbols on FreeBSD
976 AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
977 AC_CHECK_FUNCS(backtrace_symbols)
978 AC_CHECK_LIB(exc, trace_back_stack)
979
980 # check for sysctlbyname and sysctl for BSD systems
981 AC_CHECK_FUNCS(sysctlbyname)
982 AC_CHECK_FUNCS(sysctl)
983
984 #################################################
985 # Check to see if core dump directory is defined in linux
986 # with /proc/sys/kernel/core_pattern
987
988 AC_CHECK_FILE([/proc/sys/kernel/core_pattern],
989         AC_DEFINE(HAVE_SYS_KERNEL_PROC_CORE_PATTERN, 1,
990         [Whether Linux kernel uses core_pattern for core files]),
991          [])
992
993 #############################
994 # check if building with gpfs
995 AC_CHECK_HEADERS(gpfs_gpl.h)
996 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes"; then
997     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL headers are available])
998     default_shared_modules="$default_shared_modules vfs_gpfs"
999 fi
1000
1001 # Note that all the libunwind symbols in the API are defined to internal
1002 # platform-specific version, so we must include libunwind.h before checking
1003 # any of them.
1004 AC_MSG_CHECKING([for libunwind])
1005 save_LIBS=$LIBS
1006
1007 UNWIND_ARCH="unknown"
1008 if test x"$UNAME_I" != x"unknown"; then
1009         UNWIND_ARCH="$UNAME_I"
1010 elif test x"$UNAME_M" != x"unknown"; then
1011         UNWIND_ARCH="$UNAME_M"
1012 elif test x"$UNAME_P" != x"unknown"; then
1013         UNWIND_ARCH="$UNAME_P"
1014 fi
1015
1016 case "$UNWIND_ARCH" in
1017         unknown)
1018                 # This probably won't link without
1019                 # the platform-specific libunwind.
1020                 LIBS="$LIBS -lunwind"
1021                 ;;
1022         i386|i586|i686)
1023                 # Add the platform-specific libunwind module.
1024                 LIBS="$LIBS -lunwind -lunwind-x86"
1025                 ;;
1026         *)
1027                 # Add the platform-specific libunwind module.
1028                 # based on uname -i, uname -m or uname -p
1029                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1030                 ;;
1031 esac
1032
1033 AC_TRY_LINK(
1034     [
1035 #ifdef HAVE_LIBUNWIND_H
1036 #include <libunwind.h>
1037 #endif
1038     ],
1039     [
1040         unw_context_t ctx; unw_cursor_t cur;
1041         char buf[256]; unw_word_t off;
1042         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1043         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1044     ],
1045     [
1046         AC_MSG_RESULT(yes)
1047         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1048
1049         # If we have libunwind, test whether we also have libunwind-ptrace
1050         # which would let us unwind arbitrary processes.
1051         save_LIBS=$LIBS
1052         AC_CHECK_HEADERS(libunwind-ptrace.h)
1053         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1054             [
1055                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1056                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1057                     [Whether libunwind-ptrace.a is available.])
1058             ],
1059             [ LIBUNWIND_PTRACE="" ])
1060
1061         LIBS=$save_LIBS
1062     ],
1063     [
1064         AC_MSG_RESULT(no)
1065         LIBS=$save_LIBS
1066     ])
1067
1068 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1069 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1070     AC_CHECK_HEADERS(sys/ptrace.h)
1071     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1072     AC_TRY_LINK(
1073             [
1074 #if HAVE_SYS_TYPES_H
1075 #include <sys/types.h>
1076 #endif
1077 #if HAVE_SYS_PTRACE_H
1078 #include <sys/ptrace.h>
1079 #endif
1080             ],
1081             [
1082                 pid_t me = (pid_t)-1;
1083                 ptrace(PTRACE_ATTACH, me, 0, 0);
1084                 ptrace(PTRACE_DETACH, me, 0, 0);
1085                 return 0;
1086             ],
1087             [
1088                 AC_MSG_RESULT(yes)
1089                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1090                     [Whether the Linux ptrace(2) interface is available.])
1091             ],
1092             [
1093                 AC_MSG_RESULT(no)
1094                 LIBUNWIND_PTRACE=""
1095             ])
1096 fi
1097
1098 AC_SUBST(LIBUNWIND_PTRACE)
1099
1100 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1101 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1102 AC_CHECK_FUNCS(__getcwd _getcwd)
1103 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1104 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1105 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1106 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1107 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1108 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1109 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek)
1110 AC_CHECK_FUNCS(pread _pread __pread)
1111 AC_CHECK_FUNCS(pwrite _pwrite __pwrite)
1112 AC_CHECK_FUNCS(prctl)
1113
1114 AC_TRY_COMPILE([
1115 #ifdef HAVE_SYS_PRCTL_H
1116 #include <sys/prctl.h>
1117 #endif
1118 ],
1119 [int i; i = prtcl(0); ],
1120 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1121
1122 #
1123 #
1124 #
1125 case "$host_os" in
1126     *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
1127        # glibc <= 2.3.2 has a broken getgrouplist
1128        AC_CACHE_CHECK([for good getgrouplist],samba_cv_linux_getgrouplist_ok,[AC_TRY_RUN([
1129 #include <unistd.h>
1130 #include <sys/utsname.h>
1131 main() {
1132        /* glibc up to 2.3 has a broken getgrouplist */
1133 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1134        int libc_major = __GLIBC__;
1135        int libc_minor = __GLIBC_MINOR__;
1136
1137        if (libc_major < 2)
1138               return(1);
1139        if ((libc_major == 2) && (libc_minor <= 3))
1140               return(1);
1141 #endif
1142        return(0);
1143 }
1144 ], [samba_cv_linux_getgrouplist_ok=yes],
1145    [samba_cv_linux_getgrouplist_ok=no],
1146    [samba_cv_linux_getgrouplist_ok=cross])])
1147        if test x"$samba_cv_linux_getgrouplist_ok" = x"yes"; then
1148           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1149        fi
1150        ;;
1151     *)
1152        AC_CHECK_FUNCS(getgrouplist)
1153        ;;
1154 esac
1155
1156 #################################################
1157 # Check whether struct stat has timestamps with sub-second resolution.
1158 #
1159
1160 samba_cv_stat_hires=no
1161 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec], # Linux, Solaris
1162         [samba_cv_stat_hires=yes])
1163 AC_CHECK_MEMBERS([struct stat.st_mtimensec], # BSD, if defined _POSIX_SOURCE
1164         [samba_cv_stat_hires=yes])
1165 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec], # BSD, if not defined _POSIX_SOURCE
1166         [samba_cv_stat_hires=yes])
1167 AC_CHECK_MEMBERS([struct stat.st_mtime_n], # AIX
1168         [samba_cv_stat_hires=yes])
1169 AC_CHECK_MEMBERS([struct stat.st_umtime], # Tru64
1170         [samba_cv_stat_hires=yes])
1171
1172 if test x"$samba_cv_stat_hires" = x"yes" ; then
1173     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1174             [whether struct stat has sub-second timestamps])
1175 fi
1176
1177 # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1178 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
1179 AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
1180
1181
1182 AC_CACHE_CHECK([whether there is DOS flags support in the stat struct], samba_cv_stat_dos_flags,
1183     [
1184         AC_TRY_COMPILE(
1185             [#include <sys/stat.h>],
1186             [
1187                 int a = UF_DOS_ARCHIVE;
1188                 int h = UF_DOS_HIDDEN;
1189                 int r = UF_DOS_RO;
1190                 int s = UF_DOS_SYSTEM;
1191                 int i = UF_DOS_NOINDEX;
1192                 int f = UF_DOS_FLAGS;
1193             ],
1194             samba_cv_stat_dos_flags=yes, samba_cv_stat_dos_flags=no)
1195     ])
1196
1197 if test x"$samba_cv_stat_dos_flags" = x"yes" ; then
1198     AC_DEFINE(HAVE_STAT_DOS_FLAGS, 1, [whether there is DOS flags support in the stat struct])
1199 fi
1200
1201 AC_CACHE_CHECK([whether we can compile with __attribute__((destructor))],
1202                samba_cv_function_attribute_destructor,
1203                [
1204                  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
1205                         [
1206                                 __attribute__((destructor))
1207                                 static void cleanup(void) { }
1208                         ])],
1209                         samba_cv_function_attribute_destructor=yes)
1210                 ])
1211
1212 if test x"$samba_cv_function_attribute_destructor" = xyes ; then
1213    AC_DEFINE(HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR, 1,
1214              [whether we can compile with __attribute__((destructor))])
1215 fi
1216
1217 #####################################
1218 # needed for SRV lookups
1219 AC_CHECK_LIB(resolv, dn_expand)
1220 AC_CHECK_LIB(resolv, _dn_expand)
1221 AC_CHECK_LIB(resolv, __dn_expand)
1222 AC_CHECK_LIB(inet, dn_expand)
1223
1224 #
1225 # Check for the functions putprpwnam, set_auth_parameters,
1226 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1227 # Needed for OSF1 and HPUX.
1228 #
1229
1230 AC_LIBTESTFUNC(security, putprpwnam)
1231 AC_LIBTESTFUNC(sec, putprpwnam)
1232
1233 AC_LIBTESTFUNC(security, set_auth_parameters)
1234 AC_LIBTESTFUNC(sec, set_auth_parameters)
1235
1236 # UnixWare 7.x has its getspnam in -lgen
1237 AC_LIBTESTFUNC(gen, getspnam)
1238
1239 AC_LIBTESTFUNC(security, getspnam)
1240 AC_LIBTESTFUNC(sec, getspnam)
1241
1242 AC_LIBTESTFUNC(security, bigcrypt)
1243 AC_LIBTESTFUNC(sec, bigcrypt)
1244
1245 AC_LIBTESTFUNC(security, getprpwnam)
1246 AC_LIBTESTFUNC(sec, getprpwnam)
1247
1248 AC_CHECK_FUNCS(strsignal)
1249
1250 AC_DISABLE_STATIC
1251 AC_ENABLE_SHARED
1252
1253 # Set defaults
1254 PIE_CFLAGS=""
1255 PIE_LDFLAGS=""
1256 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1257
1258 if test "x$enable_pie" != xno
1259 then
1260         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1261         [
1262                 cat > conftest.c <<EOF
1263 int foo;
1264 int main () { return 0;}
1265 EOF
1266                 if AC_TRY_COMMAND_NO_STDERR([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c])
1267                 then
1268                         samba_cv_fpie=yes
1269                 else
1270                         samba_cv_fpie=no
1271                 fi
1272                 rm -f conftest*
1273         ])
1274         if test x"${samba_cv_fpie}" = x"yes"
1275         then
1276                 PIE_CFLAGS="-fPIE"
1277                 PIE_LDFLAGS="-pie"
1278         fi
1279 fi
1280
1281 # Set defaults
1282 RELRO_LDFLAGS=""
1283 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1284
1285 if test "x$enable_relro" != xno
1286 then
1287         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1288         [
1289                 cat > conftest.c <<EOF
1290 int foo;
1291 main () { return 0;}
1292 EOF
1293                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1294                 then
1295                         samba_cv_relro=yes
1296                 else
1297                         samba_cv_relro=no
1298                 fi
1299                 rm -f conftest*
1300         ])
1301         if test x"${samba_cv_relro}" = x"yes"
1302         then
1303                 RELRO_LDFLAGS="-Wl,-z,relro"
1304         fi
1305 fi
1306
1307 # Set defaults
1308 SYMSEXT="syms"
1309 AC_SUBST(SYMSEXT)
1310
1311 # Assume non-shared by default and override below
1312 BLDSHARED="false"
1313
1314 # these are the defaults, good for lots of systems
1315 HOST_OS="$host_os"
1316 LDSHFLAGS="-shared"
1317 MODULE_EXPORTS=""
1318 SONAMEFLAG="#"
1319 SHLD="\${CC} \${CFLAGS}"
1320 PICFLAG="${PIE_CFLAGS}"
1321 SHLIBEXT="so"
1322 DSO_EXPORTS=""
1323
1324 # this bit needs to be modified for each OS that supports share libs
1325 # You need to specify how to create a shared library and
1326   # how to compile C code to produce PIC object files
1327
1328   AC_MSG_CHECKING([ability to build shared libraries])
1329
1330   # and these are for particular systems
1331   case "$host_os" in
1332                 *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
1333                         case "$host_os" in
1334                                 *linux*) AC_DEFINE(LINUX,1,[Whether the host os is linux]) ;;
1335                                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx]) ;;
1336                         esac
1337                         BLDSHARED="true"
1338                         LDSHFLAGS="-shared -Wl,-Bsymbolic"
1339                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1340                                 LDSHFLAGS_Z_NODEFS="-Wl,--allow-shlib-undefined"
1341                         fi
1342                         DYNEXP="-Wl,--export-dynamic"
1343                         PICFLAG="-fPIC"
1344                         SONAMEFLAG="-Wl,-soname="
1345                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1346                         ;;
1347                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1348                         BLDSHARED="true"
1349                         if test "${GCC}" = "yes"; then
1350                                 PICFLAG="-fPIC"
1351                                 SONAMEFLAG="-Wl,-soname="
1352                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1353                                         DYNEXP="-Wl,-E"
1354                                 fi
1355                                 LDSHFLAGS="-shared"
1356                         else
1357                                 PICFLAG="-KPIC"
1358                                 LDSHFLAGS="-G"
1359                         fi
1360                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1361                                 SONAMEFLAG="-Wl,-soname="
1362                         else
1363                                 SONAMEFLAG="-Wl,-h,"
1364                         fi
1365                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1366                         ;;
1367                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1368                         BLDSHARED="true"
1369                         LDSHFLAGS="-G"
1370                         SONAMEFLAG="-Wl,-h,"
1371                         PICFLAG="-KPIC"   # Is this correct for SunOS
1372                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1373                         ;;
1374                 *netbsd* | *freebsd* | *dragonfly* )
1375                         BLDSHARED="true"
1376                         LDSHFLAGS="-shared"
1377                         DYNEXP="-Wl,--export-dynamic"
1378                         SONAMEFLAG="-Wl,-soname,"
1379                         PICFLAG="-fPIC -DPIC"
1380                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1381                         ;;
1382                 *openbsd*)  BLDSHARED="true"
1383                         LDSHFLAGS="-shared"
1384                         DYNEXP="-Wl,-Bdynamic"
1385                         SONAMEFLAG="-Wl,-soname,"
1386                         PICFLAG="-fPIC"
1387                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1388                         ;;
1389                 *irix*) BLDSHARED="true"
1390                         LDSHFLAGS="-Wl,-set_version,sgi1.0 -shared"
1391                         SONAMEFLAG="-Wl,-soname,"
1392                         if test "${GCC}" = "yes"; then
1393                                 PICFLAG="-fPIC"
1394                         else
1395                                 PICFLAG="-KPIC"
1396                         fi
1397                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1398                         ;;
1399                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1400                         BLDSHARED="true"
1401                         # use expfull to export underscored symbols
1402                         # add rtl to remove /lib/crt0.o warning
1403                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1404                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1405                         PICFLAG="-O2"
1406                         # as AIX code is always position independent...
1407                         # .po will just create compile warnings, use po.o:
1408                         if test "${GCC}" != "yes"; then
1409                                 ## for funky AIX compiler using strncpy()
1410                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000 -qhalt=e"
1411                         fi
1412
1413                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1414                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1415                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1416                         ;;
1417                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1418                         # ia64: 64bit build using gcc with CFLAGS="-mpl64"
1419                         #       64bit build using HP's cc with CFLAGS="+DD64"
1420                         # hppa: 64bit build unsupported by gcc
1421                         #       64bit build using HP's cc with CFLAGS="+DA2.0w"
1422                         # HP-UX 11.00 ld needs PHSS_33034
1423                         BLDSHARED="true"
1424                         if test "${GCC}" = "yes"; then
1425                                 PICFLAG="-fPIC"
1426                                 LDSHFLAGS="-shared"
1427                         else
1428                                 PICFLAG="+z"
1429                                 LDSHFLAGS="-b"
1430                                 # "Uses depth-first symbol resolution"
1431                                 LDSHFLAGS="$LDSHFLAGS -Wl,-B,symbolic,-b"
1432                                 if test "$host_cpu" != "ia64"; then
1433                                         # "don't store literals in read-only memory" (?):
1434                                         PICFLAG="$PICFLAG +ESnolit"
1435                                 fi
1436                         fi
1437                         if test "$host_cpu" = "ia64"; then
1438                                 SHLIBEXT="so"
1439                                 # TODO: does the linker find the right 32/64 bit version of the libs? :
1440                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32:/usr/local/lib/hpux64:/usr/lib/hpux64"
1441                         else
1442                                 SHLIBEXT="sl"
1443                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1444                         fi
1445                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1446                                 SONAMEFLAG="-Wl,-soname="
1447                         else
1448                                 SONAMEFLAG="-Wl,+h,"
1449                         fi
1450                         # PIE/PIC flags at link time are required on HP-UX because
1451                         # linking requires a temporary source file, which is being
1452                         # compiled with the indicated flags - which need to contain
1453                         # PIC flags when we don't support PIE flags:
1454                         if test "$PIE_LDFLAGS" = "" ; then
1455                                 PIE_LDFLAGS=\${PICFLAG}
1456                         fi
1457                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1458                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1459                         ;;
1460                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1461                         BLDSHARED="true"
1462                         LDSHFLAGS="-shared"
1463                         SONAMEFLAG="-Wl,-soname,"
1464                         if test "${GCC}" = "yes"; then
1465                                 PICFLAG="-fPIC"
1466                         fi
1467                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1468                         for flags in "-expect_unresolved '*'" "-Wl,-expect_unresolved,'*'" ; do
1469                                 saved_ldflags="$LDFLAGS"
1470                                 AC_MSG_CHECKING([if $flags works])
1471                                 LDFLAGS="$flags $saved_ldflags"
1472                                 AC_TRY_LINK([],[],
1473                                         [AC_MSG_RESULT([yes])
1474                                         LDSHFLAGS_Z_NODEFS=$flags],
1475                                         AC_MSG_RESULT([no]))
1476                                 LDFLAGS="$saved_ldflags"
1477                                 test x"$LDSHFLAGS_Z_NODEFS" != x && break
1478                         done
1479                         ;;
1480                 *sco*) AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1481                         ;;
1482                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1483                         BLDSHARED="true"
1484                         LDSHFLAGS="-shared"
1485                         SONAMEFLAG="-Wl,-soname,"
1486                         PICFLAG="-KPIC"
1487                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1488                         ;;
1489                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1490                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1491                         ;;
1492                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1493                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1494                         ;;
1495                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1496                         case "$host" in
1497                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1498                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1499                                         fi
1500                                         LDSHFLAGS="-G"
1501                                         DYNEXP="-Bexport"
1502                                 ;;
1503                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1504                         esac
1505                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1506                         ;;
1507
1508                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1509                         if [ test "$GCC" != yes ]; then
1510                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1511                         fi
1512                         LDSHFLAGS="-G"
1513                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1514                         ;;
1515                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1516                         BLDSHARED="false"
1517                         LDSHFLAGS=""
1518                         ;;
1519
1520                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1521                         BLDSHARED="true"
1522                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1523                         CFLAGS="$CFLAGS -fno-common"
1524                         SHLD="\${CC}"
1525                         SHLIBEXT="dylib"
1526                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1527                         SHLIBEXT="dylib"
1528                         # Since gcc doesn't fail on unrecognised options, the
1529                         # PIE test incorrectly succeeds. Darwin gcc does not
1530                         # actually support the PIE stuff.
1531                         PIE_LDFLAGS=
1532                         PIE_CFLAGS=
1533                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1534                         ;;
1535
1536                 *)
1537                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1538                         ;;
1539   esac
1540
1541 if test "$enable_shared" != "yes"; then
1542         BLDSHARED=false
1543 fi
1544
1545 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1546         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1547 fi
1548
1549 if test x"$BLDSHARED" = x"true" ; then
1550         LDFLAGS="$LDFLAGS -L./bin"
1551 fi
1552
1553 AC_MSG_RESULT($BLDSHARED)
1554
1555 if test x"$enable_developer" = x"yes" ; then
1556         default_as_needed=auto
1557 else
1558         default_as_needed=no
1559 fi
1560 AC_ARG_ENABLE(as-needed,
1561         AS_HELP_STRING([--enable-as-needed],
1562         [Turn on as-needed support if available (default=no)]),
1563         [enable_as_needed=$enableval],
1564         [enable_as_needed=$default_as_needed])
1565 if test "x$enable_as_needed" != xno; then
1566     saved_before_as_needed_ldflags="$LDFLAGS"
1567     for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do
1568         saved_ldflags="$LDFLAGS"
1569         AC_MSG_CHECKING([if $flags works])
1570         LDFLAGS="$flags $saved_ldflags"
1571         AC_TRY_LINK([],[],
1572                 [AC_MSG_RESULT([yes])
1573                 LD_AS_NEEDED_FLAG=$flags
1574                 ld_as_needed_flag_found=yes],
1575                 AC_MSG_RESULT([no]))
1576         LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags"
1577         test x"$ld_as_needed_flag_found" = xyes && break
1578     done
1579 fi
1580
1581 if test x$ld_as_needed_flag_found = xyes -a x$enable_as_needed = xauto ; then
1582 # check if ld has bug described in https://bugzilla.samba.org/show_bug.cgi?id=7209#c17
1583         AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG has explicit external libs bug])
1584 cat > conftest_shb.c <<END
1585 void b() {}
1586 END
1587 cat > conftest_sha.c <<END
1588 extern void b();
1589 void a() {
1590         b();
1591 }
1592 END
1593 cat > conftest.c <<END
1594 extern void a();
1595 int main() {
1596         a();
1597         return 0;
1598 }
1599 END
1600
1601         rm -fr conftest
1602         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_sha.o conftest_sha.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1603         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_shb.o conftest_shb.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1604         TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1605         AC_TRY_COMMAND([$TESTCMD -o libconftest_shb.$SHLIBEXT conftest_shb.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1606         AC_TRY_COMMAND([$TESTCMD -o libconftest_sha.$SHLIBEXT conftest_sha.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1607         AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
1608         if AC_TRY_COMMAND([eval "$LIB_PATH_VAR=. ./conftest 1>&AS_MESSAGE_LOG_FD 2>&1"])
1609         then
1610                 AC_MSG_RESULT([no])
1611         else
1612                 ld_as_needed_flag_found=no
1613                 LDFLAGS="$saved_before_as_needed_ldflags"
1614                 AC_MSG_RESULT([yes])
1615         fi
1616         rm conftest* libconftest*
1617 fi
1618
1619 # check if we have to disable LD_AS_NEEDED_FLAG:
1620 # On some systems for a veriety of reasons linking with
1621 # -Wl,--as-needed -lreadline -lncurses fails
1622 # we have to retest, if these combination is detected before.
1623 # Bugzilla #7209
1624
1625 if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then
1626         if test x$ld_as_needed_flag_found = xyes ; then
1627                 AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline])
1628                 # try if check no fails
1629                 save_LIBS=$LIBS
1630                 LIBS="$LIBS $TERMLIBS"
1631                 AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"])
1632                 LIBS="$save_LIBS"
1633         fi
1634 fi
1635
1636
1637
1638 # for historical reasons almost all linkers don't complain about unresolved
1639 # symbols in shared libs. Except for the internal samba modules we want to get
1640 # errors when we produce a shared lib with unresolved symbols. On some
1641 # platforms unresolved symbols might be intended, so we might have to add
1642 # platform specific exceptions here.
1643
1644 for flags in "-Wl,-z,defs" "-error_unresolved" "-Wl,-error_unresolved" ; do
1645         saved_ldflags="$LDFLAGS"
1646         AC_MSG_CHECKING([if $flags works])
1647         LDFLAGS="$flags $saved_ldflags"
1648         AC_TRY_LINK([],[],
1649         [AC_MSG_RESULT([yes])
1650         LDSHFLAGS_Z_DEFS=$flags
1651         ldshflags_z_defs_found=yes],
1652         AC_MSG_RESULT([no]))
1653         LDFLAGS=$saved_ldflags
1654         test x"$ldshflags_z_defs_found" = xyes && break
1655 done
1656
1657 AC_MSG_CHECKING([LDSHFLAGS_Z_DEFS])
1658 AC_MSG_RESULT([$LDSHFLAGS_Z_DEFS])
1659 AC_MSG_CHECKING([LDFLAGS])
1660 AC_MSG_RESULT([$LDFLAGS])
1661 AC_MSG_CHECKING([DYNEXP])
1662 AC_MSG_RESULT([$DYNEXP])
1663
1664 #######################################################
1665 # test whether building a shared library actually works
1666 if test $BLDSHARED = true; then
1667
1668 AC_MSG_CHECKING([SHLD])
1669 AC_MSG_RESULT([$SHLD])
1670 AC_MSG_CHECKING([LDSHFLAGS])
1671 AC_MSG_RESULT([$LDSHFLAGS])
1672
1673 AC_MSG_CHECKING([SHLIBEXT])
1674 AC_MSG_RESULT([$SHLIBEXT])
1675 AC_MSG_CHECKING([SONAMEFLAG])
1676 AC_MSG_RESULT([$SONAMEFLAG])
1677
1678 AC_MSG_CHECKING([PICFLAG])
1679 AC_MSG_RESULT([$PICFLAG])
1680
1681 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1682 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1683
1684 AC_CACHE_CHECK([whether building shared libraries actually works],
1685                [ac_cv_shlib_works],[
1686    # try building a trivial shared library
1687    ac_cv_shlib_works=no
1688    # The $SHLD and $LDSHFLAGS variables may contain references to other
1689    # variables so they need to be eval'ed.
1690    if AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.o ${srcdir-.}/../tests/shlib.c 1>&AS_MESSAGE_LOG_FD])
1691    then
1692      TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1693      TESTCMD="$TESTCMD -o \"shlib.$SHLIBEXT\" shlib.o"
1694      if AC_TRY_COMMAND([eval $TESTCMD 1>&AS_MESSAGE_LOG_FD 2>&1])
1695      then
1696        ac_cv_shlib_works=yes
1697      fi
1698    fi
1699    rm -f "shlib.$SHLIBEXT" shlib.o
1700
1701 ])
1702 if test $ac_cv_shlib_works = no; then
1703    BLDSHARED=false
1704 fi
1705 fi
1706
1707 if test x"$BLDSHARED" != x"true"; then
1708         LDSHFLAGS="shared-libraries-disabled"
1709         SONAMEFLAG="shared-libraries-disabled"
1710         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1711         SHLD="shared-libraries-disabled"
1712         PICFLAG="${PIE_CFLAGS}"
1713         SHLIBEXT="shared_libraries_disabled"
1714         smbtorture4_possible=no
1715 fi
1716
1717 AC_MSG_CHECKING([used PICFLAG])
1718 AC_MSG_RESULT([$PICFLAG])
1719
1720 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
1721
1722
1723
1724 ###########################################################
1725 #
1726 # Configuration of subsystems / libraries
1727 #
1728 ###########################################################
1729
1730 INSTALLLIBCMD_SH=:
1731 INSTALLLIBCMD_A=:
1732 UNINSTALLLIBCMD_SH=:
1733 UNINSTALLLIBCMD_A=:
1734
1735 if test $BLDSHARED = true; then
1736         INSTALLLIBCMD_SH="\$(INSTALLCMD)"
1737         UNINSTALLLIBCMD_SH="rm -f"
1738 fi
1739 if test $enable_static = yes; then
1740         INSTALLLIBCMD_A="\$(INSTALLCMD)"
1741         UNINSTALLLIBCMD_A="rm -f"
1742 fi
1743
1744 #################################################
1745 # --disable-shared-libs
1746 # can be used to disable the internal use of shared libs altogether
1747 # (this only has an effect when building shared libs is enabled)
1748 #
1749 USESHARED=false
1750 AC_SUBST(USESHARED)
1751
1752 AC_MSG_CHECKING(whether to use shared libraries internally)
1753 AC_ARG_ENABLE([shared-libs],
1754         AS_HELP_STRING([--enable-shared-libs],
1755                 [Use shared libraries internally (default=yes)]),
1756         [enable_shared_libs=$enableval],
1757         [enable_shared_libs=yes])
1758
1759 if test x"$enable_shared_libs" != x"no" ; then
1760         USESHARED=$BLDSHARED
1761 fi
1762
1763 AC_MSG_RESULT([$USESHARED])
1764
1765 if test x"$enable_shared_libs" = x"yes" -a x"$BLDSHARED" != x"true" ; then
1766         AC_MSG_WARN([--enable-shared-libs: no support for shared libraries])
1767 fi
1768
1769 #################################################
1770 # --with-static-libs=LIBS:
1771 #   link (internal) libs dynamically or statically?
1772 #
1773 # If a subsystem is built as a library then this controls whether they are
1774 # linked into Samba targets statically or dynamically:
1775 #
1776 # * If we build the shared library at all, we link dynamically by default.
1777 #
1778 # * We only link statically if we don't build shared or if the library
1779 #   appears in the --with-static-libs configure option.
1780 #
1781 # Example:
1782 #   --with-static-libs=libtalloc makes use of libtalloc.a instead
1783 #   of linking the dynamic variant with -ltalloc.
1784 #
1785 # NOTE: This option only affects libraries that we do not only build
1786 # but that samba also links against as libraries (as opposed to linking
1787 # the plain object files. - This has to be configured in Makefile.in.
1788 # So in particular it does not harm to give invalid or unknown names here.
1789 #
1790
1791 AC_ARG_WITH([static-libs],
1792         [AS_HELP_STRING([--with-static-libs=LIBS],
1793                 [Comma-separated list of names of (internal) libraries to link statically (instead of dynamically)])],
1794         [AS_IF([test $withval],
1795                 [for lib in `echo $withval | sed -e 's/,/ /g'` ; do
1796                         [lib=`echo $lib | tr '[a-z]' '[A-Z]'`]
1797                         eval LINK_$lib=STATIC
1798                 done], [])],
1799         [])
1800
1801 #
1802 # WORKAROUND:
1803 #   until we have organized other internal subsystems (as util, registry
1804 #   and smbconf) into shared libraries, we CAN NOT link libnetapi
1805 #   dynamically to samba programs.
1806 #
1807 LINK_LIBNETAPI=STATIC
1808
1809 LINK_LIBSMBCLIENT=STATIC
1810
1811 #
1812 #  The library versions are hardcoded here
1813 #  and filled into the LIBFOO_SOVER variable.
1814 #
1815 #  TODO: for talloc and tdb (at least), these should
1816 #  be extracted from their respective source directories
1817 #
1818 AC_ARG_ENABLE(external_libtalloc,
1819         [AS_HELP_STRING([--enable-external-libtalloc],
1820                 [Enable external talloc [default=auto]])],
1821         [ enable_external_libtalloc=$enableval ],
1822         [ enable_external_libtalloc=auto ])
1823
1824 if test "x$enable_external_libtalloc" != xno
1825 then
1826         PKG_CHECK_MODULES(LIBTALLOC, talloc >= 2.0.1,
1827                 [ enable_external_libtalloc=yes ],
1828                 [ if test x$enable_external_libtalloc = xyes; then
1829                         AC_MSG_ERROR([Unable to find libtalloc])
1830                   else
1831                         enable_external_libtalloc=no
1832                   fi
1833                 ])
1834 fi
1835
1836 if test "x$enable_external_libtalloc" = xno
1837 then
1838         m4_include(../lib/talloc/libtalloc.m4)
1839         LINK_LIBTALLOC=STATIC
1840         LIBTALLOCVERSION=`grep ^VERSION ${tallocdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1841         SMB_LIBRARY(talloc, 2, ${LIBTALLOCVERSION})
1842         LIBTALLOC_OBJ0=""
1843         for obj in ${TALLOC_OBJ}; do
1844                 LIBTALLOC_OBJ0="${LIBTALLOC_OBJ0} ${tallocdir}/${obj}"
1845         done
1846         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
1847         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TALLOC_CFLAGS}"
1848         AC_SUBST(LIBTALLOC_OBJ0)
1849
1850         TALLOCTORT="bin/talloctort"
1851         AC_SUBST(TALLOCTORT)
1852 fi
1853
1854
1855 AC_ARG_ENABLE(external_libtdb,
1856         [AS_HELP_STRING([--enable-external-libtdb],
1857                 [Enable external tdb [default=auto]])],
1858                 [ enable_external_libtdb=$enableval ],
1859                 [ enable_external_libtdb=auto ])
1860
1861 if test "x$enable_external_libtdb" != xno
1862 then
1863         PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.6,
1864                 [ enable_external_libtdb=yes ],
1865                 [
1866                 if test x$enable_external_libtdb = xyes; then
1867                         AC_MSG_ERROR([Unable to find libtdb])
1868                 else
1869                         enable_external_libtdb=no
1870                 fi
1871                 ])
1872 fi
1873
1874 AC_SUBST(LIBTDB_OBJ0)
1875 if test "x$enable_external_libtdb" = xno
1876 then
1877         m4_include(../lib/tdb/libtdb.m4)
1878         LINK_LIBTDB=STATIC
1879         LIBTDBVERSION=`grep ^VERSION ${tdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1880         SMB_LIBRARY(tdb, 1, ${LIBTDBVERSION})
1881         LIBTDB_OBJ0=""
1882         LIBTDB_LIBS="$LIBTDB_LIBS $TDB_DEPS"
1883         for obj in ${TDB_OBJ}; do
1884                 LIBTDB_OBJ0="${LIBTDB_OBJ0} ${tdbdir}/${obj}"
1885         done
1886         AC_SUBST(LIBTDB_OBJ0)
1887         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
1888         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TDB_CFLAGS}"
1889
1890         TDBBACKUP="bin/tdbbackup"
1891         AC_SUBST(TDBBACKUP)
1892         TDBDUMP="bin/tdbdump"
1893         AC_SUBST(TDBDUMP)
1894         TDBRESTORE="bin/tdbrestore"
1895         AC_SUBST(TDBRESTORE)
1896         TDBTOOL="bin/tdbtool"
1897         AC_SUBST(TDBTOOL)
1898         TDBTORTURE="bin/tdbtorture"
1899         AC_SUBST(TDBTORTURE)
1900 fi
1901
1902 AC_ARG_ENABLE(external_libntdb,
1903         [AS_HELP_STRING([--enable-external-libntdb],
1904                 [Enable external ntdb [default=auto]])],
1905                 [ enable_external_libntdb=$enableval ],
1906                 [ enable_external_libntdb=auto ])
1907
1908 if test "x$enable_external_libntdb" != xno
1909 then
1910         PKG_CHECK_MODULES(LIBNTDB, ntdb >= 1.0,
1911                 [ enable_external_libntdb=yes ],
1912                 [
1913                 if test x$enable_external_libntdb = xyes; then
1914                         AC_MSG_ERROR([Unable to find libntdb])
1915                 else
1916                         enable_external_libntdb=no
1917                 fi
1918                 ])
1919 fi
1920
1921 AC_SUBST(LIBNTDB_OBJ0)
1922 if test "x$enable_external_libntdb" = xno
1923 then
1924         m4_include(../lib/ntdb/libntdb.m4)
1925         LINK_LIBNTDB=STATIC
1926         LIBNTDBVERSION=`grep ^VERSION ${ntdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
1927         SMB_LIBRARY(ntdb, 1, ${LIBNTDBVERSION})
1928         LIBNTDB_OBJ0=""
1929         LIBNTDB_LIBS="$LIBNTDB_LIBS $NTDB_DEPS"
1930         for obj in ${NTDB_OBJ}; do
1931                 LIBNTDB_OBJ0="${LIBNTDB_OBJ0} ${ntdbdir}/${obj}"
1932         done
1933         AC_SUBST(LIBNTDB_OBJ0)
1934         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${NTDB_CFLAGS}"
1935         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${NTDB_CFLAGS}"
1936
1937         NTDBBACKUP="bin/ntdbbackup"
1938         AC_SUBST(NTDBBACKUP)
1939         NTDBDUMP="bin/ntdbdump"
1940         AC_SUBST(NTDBDUMP)
1941         NTDBRESTORE="bin/ntdbrestore"
1942         AC_SUBST(NTDBRESTORE)
1943         NTDBTOOL="bin/ntdbtool"
1944         AC_SUBST(NTDBTOOL)
1945         NTDBTORTURE="bin/ntdbtorture"
1946         AC_SUBST(NTDBTORTURE)
1947 fi
1948
1949 SMB_LIBRARY(netapi, 0)
1950 SMB_LIBRARY(smbclient, 0)
1951 SMB_LIBRARY(smbsharemodes, 0)
1952
1953
1954 ################
1955
1956 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
1957 AC_TRY_RUN([#include <stdio.h>
1958 main() { long long x = 1000000; x *= x; return(((x/1000000) == 1000000)? 0: 1); }],
1959 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
1960 if test x"$samba_cv_have_longlong" = x"yes"; then
1961     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
1962     AC_CHECK_TYPE(intptr_t, unsigned long long)
1963 else
1964     AC_CHECK_TYPE(intptr_t, unsigned long)
1965 fi
1966
1967 #
1968 # Check if the compiler supports the LL prefix on long long integers.
1969 # AIX needs this.
1970
1971 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
1972     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
1973         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
1974 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
1975    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
1976 fi
1977
1978
1979 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
1980 AC_TRY_RUN([#include <time.h>
1981 main() { return((sizeof(time_t) == 8) ? 0 : 1); }],
1982 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
1983 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
1984     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
1985 fi
1986
1987 AC_CACHE_CHECK([for TIME_T_MAX],samba_cv_TIME_T_MAX,[
1988 AC_TRY_RUN([#include <time.h>
1989 main() {
1990         struct tm *tm;
1991         if (sizeof(time_t) == 8) {
1992                 time_t max_time = 0x7fffffffffffffffll;
1993                 tm = gmtime(&max_time);
1994                 /* This should fail with 32-bit tm_year. */
1995                 if (tm == NULL) {
1996                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1997                         max_time = 67768036191676799ll;
1998                         tm = gmtime(&max_time);
1999                         if (tm) {
2000                                 return(0);
2001                         }
2002                 }
2003         }
2004         return(1);
2005 }],
2006 samba_cv_TIME_T_MAX=yes,samba_cv_TIME_T_MAX=no,samba_cv_TIME_T_MAX=cross)])
2007 if test x"$samba_cv_TIME_T_MAX" = x"yes"; then
2008     AC_DEFINE(TIME_T_MAX,67768036191676799ll,[The maximum value of the 'time_t' type])
2009 fi
2010
2011
2012 #
2013 # As a gating factor for large file support, in order to
2014 # use >4GB files we must have the following minimal support
2015 # available: a 64 bit off_t
2016 # If we don't have all of these then fail the build
2017 #
2018
2019 AC_MSG_CHECKING([if large file support can be enabled])
2020 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
2021 AC_TRY_RUN([#include <stdio.h>
2022 #include <sys/stat.h>
2023 main() { return((sizeof(off_t) == 8) ? 0 : 1); }],
2024 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
2025 if test x"$samba_cv_SIZEOF_OFF_T" = x"no"; then
2026     AC_MSG_ERROR(["large file support support not available: sizeof(off_t) != 8"])
2027 fi
2028
2029 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
2030 AC_TRY_RUN([
2031 #if defined(HAVE_UNISTD_H)
2032 #include <unistd.h>
2033 #endif
2034 #include <stdio.h>
2035 #include <sys/stat.h>
2036 main() { return((sizeof(ino_t) == 8) ? 0 : 1); }],
2037 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
2038 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
2039     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
2040 fi
2041
2042 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
2043 AC_TRY_RUN([
2044 #if defined(HAVE_UNISTD_H)
2045 #include <unistd.h>
2046 #endif
2047 #include <stdio.h>
2048 #include <sys/stat.h>
2049 main() { return((sizeof(dev_t) == 8) ? 0 : 1); }],
2050 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
2051 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
2052     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
2053 fi
2054
2055 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
2056 AC_TRY_RUN([
2057 #if defined(HAVE_UNISTD_H)
2058 #include <unistd.h>
2059 #endif
2060 #include <sys/types.h>
2061 main() { dev_t dev; int i = major(dev); return 0; }],
2062 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
2063 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
2064     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
2065 fi
2066
2067 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
2068 AC_TRY_RUN([
2069 #if defined(HAVE_UNISTD_H)
2070 #include <unistd.h>
2071 #endif
2072 #include <sys/types.h>
2073 main() { dev_t dev; int i = minor(dev); return 0; }],
2074 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
2075 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
2076     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
2077 fi
2078
2079 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
2080 AC_TRY_RUN([
2081 #if defined(HAVE_UNISTD_H)
2082 #include <unistd.h>
2083 #endif
2084 #include <sys/types.h>
2085 main() { dev_t dev = makedev(1,2); return 0; }],
2086 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
2087 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
2088     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
2089 fi
2090
2091 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
2092 AC_TRY_COMPILE([#include <sys/types.h>
2093 #include <dirent.h>
2094 void seekdir(DIR *d, long loc) { return; }],[return 0;],
2095 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
2096 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
2097     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
2098 fi
2099
2100 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
2101 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
2102 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
2103 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
2104     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
2105 fi
2106
2107 if test x"$libreplace_cv_HAVE_CLOCK_GETTIME_IN_LIBRT" = xyes ; then
2108         LIBS="$LIBS -lrt"
2109 fi
2110
2111 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2112 AC_TRY_RUN([#include <sys/types.h>
2113 #include <dirent.h>
2114 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2115 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2116 di->d_name[0] == 0) return(0); return(1);} ],
2117 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2118 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2119     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2120 fi
2121
2122 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2123 AC_TRY_COMPILE([#include <sys/types.h>
2124 #include <utime.h>],
2125 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; return(utime("foo.c",&tbuf));],
2126 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2127 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2128     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2129 fi
2130
2131 ##############
2132 # Check utmp details, but only if our OS offers utmp.h
2133 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2134 dnl  utmp and utmpx come in many flavours
2135 dnl  We need to check for many of them
2136 dnl  But we don't need to do each and every one, because our code uses
2137 dnl  mostly just the utmp (not utmpx) fields.
2138
2139 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx getutxent)
2140
2141 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2142 AC_TRY_COMPILE([#include <sys/types.h>
2143 #include <utmp.h>],
2144 [struct utmp ut;  ut.ut_name[0] = 'a';],
2145 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2146 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2147     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2148 fi
2149
2150 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2151 AC_TRY_COMPILE([#include <sys/types.h>
2152 #include <utmp.h>],
2153 [struct utmp ut;  ut.ut_user[0] = 'a';],
2154 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2155 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2156     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2157 fi
2158
2159 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2160 AC_TRY_COMPILE([#include <sys/types.h>
2161 #include <utmp.h>],
2162 [struct utmp ut;  ut.ut_id[0] = 'a';],
2163 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2164 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2165     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2166 fi
2167
2168 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2169 AC_TRY_COMPILE([#include <sys/types.h>
2170 #include <utmp.h>],
2171 [struct utmp ut;  ut.ut_host[0] = 'a';],
2172 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2173 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2174     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2175 fi
2176
2177 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2178 AC_TRY_COMPILE([#include <sys/types.h>
2179 #include <utmp.h>],
2180 [struct utmp ut;  time_t t; ut.ut_time = t;],
2181 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2182 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2183     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2184 fi
2185
2186 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2187 AC_TRY_COMPILE([#include <sys/types.h>
2188 #include <utmp.h>],
2189 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2190 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2191 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2192     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2193 fi
2194
2195 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2196 AC_TRY_COMPILE([#include <sys/types.h>
2197 #include <utmp.h>],
2198 [struct utmp ut;  ut.ut_type = 0;],
2199 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2200 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2201     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2202 fi
2203
2204 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2205 AC_TRY_COMPILE([#include <sys/types.h>
2206 #include <utmp.h>],
2207 [struct utmp ut;  ut.ut_pid = 0;],
2208 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2209 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2210     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2211 fi
2212
2213 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2214 AC_TRY_COMPILE([#include <sys/types.h>
2215 #include <utmp.h>],
2216 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2217 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2218 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2219     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2220 fi
2221
2222 dnl Look for the IPv6 varient by preference. Many systems have both.
2223 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2224 AC_TRY_COMPILE([#include <sys/types.h>
2225 #include <utmp.h>],
2226 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2227 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2228 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2229     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2230 fi
2231
2232 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2233 AC_TRY_COMPILE([#include <sys/types.h>
2234 #include <utmp.h>],
2235 [struct utmp ut;  ut.ut_addr = 0;],
2236 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2237 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2238     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2239 fi
2240
2241 if test x$ac_cv_func_pututline = xyes ; then
2242   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2243   AC_TRY_COMPILE([#include <sys/types.h>
2244 #include <utmp.h>],
2245   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2246   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2247   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2248       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2249   fi
2250 fi
2251
2252 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2253 AC_TRY_COMPILE([#include <sys/types.h>
2254 #include <utmpx.h>],
2255 [struct utmpx ux;  ux.ut_syslen = 0;],
2256 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2257 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2258     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2259 fi
2260
2261 fi
2262 # end utmp details
2263
2264 AC_CACHE_CHECK([for linux fallocate],samba_cv_HAVE_LINUX_FALLOCATE,[
2265 AC_TRY_COMPILE([
2266 #if defined(HAVE_UNISTD_H)
2267 #include <unistd.h>
2268 #endif
2269 #include <sys/types.h>
2270 #define _GNU_SOURCE
2271 #include <fcntl.h>
2272 #if defined(HAVE_LINUX_FALLOC_H)
2273 #include <linux/falloc.h>
2274 #endif],
2275 [int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2276 samba_cv_HAVE_LINUX_FALLOCATE=yes,samba_cv_HAVE_LINUX_FALLOCATE=no)])
2277 if test x"$samba_cv_HAVE_LINUX_FALLOCATE" = x"yes" && test x"$ac_cv_func_fallocate" = x"yes"; then
2278     AC_DEFINE(HAVE_LINUX_FALLOCATE,1,[Whether the Linux 'fallocate' function is available])
2279 fi
2280
2281 AC_CACHE_CHECK([for getcwd takes NULL],samba_cv_GETCWD_TAKES_NULL,[
2282 AC_TRY_RUN([
2283 #if defined(HAVE_UNISTD_H)
2284 #include <unistd.h>
2285 #endif
2286 main() { char *s = getcwd(NULL,0); if (s) return(0); return(1); }],
2287 samba_cv_GETCWD_TAKES_NULL=yes,samba_cv_GETCWD_TAKES_NULL=no,samba_cv_GETCWD_TAKES_NULL=cross)])
2288 if test x"$samba_cv_GETCWD_TAKES_NULL" = x"yes"; then
2289     AC_DEFINE(GETCWD_TAKES_NULL,1,[Whether the getcwd function takes NULL as an argument])
2290 fi
2291
2292 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2293 AC_ARG_WITH(libiconv,
2294 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2295 [
2296   if test "$withval" = "no" ; then
2297     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2298   else
2299      if test "$withval" != "yes" ; then
2300         ICONV_PATH_SPEC=yes
2301         ICONV_LOOK_DIRS="$withval"
2302      fi
2303   fi
2304 ])
2305
2306 for i in $ICONV_LOOK_DIRS ; do
2307
2308     save_LIBS="$LIBS"
2309     save_LDFLAGS="$LDFLAGS"
2310     save_CPPFLAGS="$CPPFLAGS"
2311
2312     iconv_current_LIBS=""
2313     iconv_current_LDFLAGS=""
2314     iconv_current_CPPFLAGS=""
2315
2316     ICONV_FOUND="no"
2317     unset libext
2318
2319     #  This is here to handle -withval stuff for --with-libiconv
2320     #  Perhaps we should always add a -L
2321     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2322
2323     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2324     # installation paths. This gets a little tricky since we might have iconv
2325     # in both libiconv and in libc. In this case the jm_ICONV test will always
2326     # succeed when the header is found. To counter this, make sure the
2327     # library directory is there and check the ABI directory first (which
2328     # should be harmless on other systems, but causes tons of linker warnings on
2329     # 64bit Ubuntu systems).
2330     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2331     # installed, I've decided to fix the linker warnings.
2332     # -- Kai
2333     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2334     for l in "lib" "lib32" "lib/hpux32"; do
2335         if test -d "$i/$l" ; then
2336                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2337                 LIBS=
2338                 export LDFLAGS LIBS CPPFLAGS
2339                 # Try to find iconv(3)
2340                 jm_ICONV($i/$l)
2341                 if test x"$ICONV_FOUND" = "xyes" ; then
2342                     libext="$l"
2343                     break
2344                 fi
2345         fi
2346     done
2347
2348     if test x"$ICONV_FOUND" = "xyes" ; then
2349         iconv_current_LDFLAGS="-L$i/$libext"
2350         iconv_current_CPPFLAGS="-I$i/include"
2351
2352         if test x"$jm_cv_lib_iconv" != x; then
2353             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2354         else
2355             # We found iconv in libc.
2356             iconv_current_LIBS=""
2357         fi
2358
2359     fi
2360
2361     if test x"$ICONV_FOUND" = "xyes" ; then
2362
2363         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2364         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2365         LIBS="$save_LIBS $iconv_current_LIBS"
2366         export LDFLAGS LIBS CPPFLAGS
2367
2368         default_dos_charset=no
2369         default_unix_charset=no
2370
2371         # check for default dos charset name
2372         for j in CP850 IBM850 ; do
2373             rjs_CHARSET($j)
2374             default_dos_charset="$ICONV_CHARSET"
2375             if test x"$default_dos_charset" = x"$j"; then
2376                 break
2377             fi
2378         done
2379
2380         # check for default unix charset name
2381         for j in UTF-8 UTF8 ; do
2382             rjs_CHARSET($j)
2383             default_unix_charset="$ICONV_CHARSET"
2384             if test x"$default_unix_charset" = x"$j"; then
2385                 break
2386             fi
2387         done
2388
2389         if test "$default_dos_charset" != "no" -a \
2390                 "$default_dos_charset" != "cross" -a \
2391                 "$default_unix_charset" != "no" -a \
2392                 "$default_unix_charset" != "cross"
2393         then
2394                 samba_cv_HAVE_NATIVE_ICONV=yes
2395         else
2396             if test "$default_dos_charset" = "cross" -o \
2397                      "$default_unix_charset" = "cross"
2398             then
2399                     samba_cv_HAVE_NATIVE_ICONV=cross
2400             else
2401                     samba_cv_HAVE_NATIVE_ICONV=no
2402             fi
2403         fi
2404
2405         # At this point, we have a libiconv candidate. We know that
2406         # we have the right headers and libraries, but we don't know
2407         # whether it does the conversions we want. We can't test this
2408         # because we are cross-compiling. This is not necessarily a big
2409         # deal, since we can't guarantee that the results we get now will
2410         # match the results we get at runtime anyway.
2411         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2412             default_dos_charset="CP850"
2413             default_unix_charset="UTF-8"
2414             samba_cv_HAVE_NATIVE_ICONV=yes
2415             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2416             AC_MSG_WARN([$default_dos_charset and $default_unix_charset to UCS-16LE])
2417         fi
2418
2419         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2420
2421             CPPFLAGS=$save_CPPFLAGS
2422             LDFLAGS=$save_LDFLAGS
2423             LIBS=$save_LIBS
2424
2425             if test x"$iconv_current_LIBS" != x; then
2426                 LIBS="$LIBS $iconv_current_LIBS"
2427             fi
2428
2429             # Add the flags we need to CPPFLAGS and LDFLAGS
2430             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2431             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2432
2433             # Turn the #defines into string literals
2434             default_dos_charset="\"$default_dos_charset\""
2435             default_unix_charset="\"$default_unix_charset\""
2436
2437             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2438             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2439             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2440
2441            break
2442         fi
2443
2444     # We didn't find a working iconv, so keep going
2445     fi
2446
2447     #  We only need to clean these up here for the next pass through the loop
2448     CPPFLAGS=$save_CPPFLAGS
2449     LDFLAGS=$save_LDFLAGS
2450     LIBS=$save_LIBS
2451     export LDFLAGS LIBS CPPFLAGS
2452 done
2453 unset libext
2454
2455
2456 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2457     AC_MSG_WARN([Sufficient support for iconv function was not found.
2458     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2459    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2460    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2461 fi
2462
2463
2464 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2465 AC_TRY_RUN([
2466 #include <sys/types.h>
2467 #include <fcntl.h>
2468 #ifndef F_GETLEASE
2469 #define F_GETLEASE      1025
2470 #endif
2471 main() {
2472        int fd = open("/dev/null", O_RDONLY);
2473        return fcntl(fd, F_GETLEASE, 0) == -1;
2474 }
2475 ],
2476 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2477 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2478     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2479 fi
2480
2481 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2482 AC_TRY_RUN([
2483 #include <sys/types.h>
2484 #include <fcntl.h>
2485 #include <signal.h>
2486 #ifndef F_NOTIFY
2487 #define F_NOTIFY 1026
2488 #endif
2489 main() {
2490         return(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2491 }
2492 ],
2493 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2494 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2495     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2496 fi
2497
2498 AC_CHECK_HEADER(sys/inotify.h)
2499
2500 if test x"ac_cv_header_sys_inotify_h" = x"yes"; then
2501     AC_DEFINE(HAVE_INOTIFY,1,[For inotify support])
2502 fi
2503
2504 #################################################
2505 # Check if FAM notifications are available. For FAM info, see
2506 #       http://oss.sgi.com/projects/fam/
2507 #       http://savannah.nongnu.org/projects/fam/
2508 AC_ARG_ENABLE(fam,
2509 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2510
2511 if test x$enable_fam != xno; then
2512     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2513     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2514         # On IRIX, libfam requires libC, but other FAM implementations
2515         # might not need it.
2516         AC_CHECK_LIB(fam, FAMOpen2,
2517             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam";
2518             AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2519             [samba_cv_HAVE_LIBFAM=no])
2520
2521         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2522             samba_fam_xtra=-lC
2523             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2524                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC";
2525                 AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2526                 [samba_cv_HAVE_LIBFAM=no])
2527             unset samba_fam_xtra
2528         fi
2529     fi
2530     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2531         default_shared_modules="$default_shared_modules vfs_notify_fam"
2532         AC_TRY_COMPILE([#include <fam.h>],
2533                     [enum FAMCodes code = FAMChanged;],
2534                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2535                         [Whether fam.h contains a typedef for enum FAMCodes]),
2536                     [])
2537     fi
2538
2539     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2540         AC_CHECK_LIB(fam, FAMNoExists,
2541             [AC_DEFINE(HAVE_FAMNOEXISTS, 1, Define to 1 if there is support for FAMNoExists)])
2542     fi
2543
2544     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2545         AC_MSG_ERROR(FAM support requested but FAM library not available )
2546     fi
2547 fi
2548
2549 AC_SUBST(SMB_FAM_LIBS)
2550
2551 #################################################
2552 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2553
2554
2555 with_dmapi_support=auto
2556 AC_MSG_CHECKING(whether to use DMAPI support)
2557 AC_ARG_WITH(dmapi,
2558 [AS_HELP_STRING([--with-dmapi], [Include DMAPI/XDSM support (default=auto)])],
2559 [ case "$withval" in
2560   yes|no)
2561     with_dmapi_support=$withval
2562     ;;
2563   esac ]
2564 )
2565 AC_MSG_RESULT([$with_dmapi_support])
2566
2567 if test x"$with_dmapi_support" != xno ; then
2568         SMB_CHECK_DMAPI([], [
2569                 AC_MSG_NOTICE(DMAPI support not present)
2570                 if test x"$with_dmapi_support" = xyes ; then
2571                         AC_MSG_ERROR(no DMAPI support found but requested!)
2572                 fi
2573                 ]
2574         )
2575 fi
2576
2577 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2578 # Theoretically it should work with AIX JFS2 too but this needs testing
2579 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2580     default_shared_modules="$default_shared_modules vfs_tsmsm"
2581 fi
2582
2583 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2584 AC_TRY_RUN([
2585 #include <sys/types.h>
2586 #include <fcntl.h>
2587 #include <signal.h>
2588 #include <sys/file.h>
2589 #ifndef LOCK_MAND
2590 #define LOCK_MAND       32
2591 #define LOCK_READ       64
2592 #endif
2593 main() {
2594         return(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2595 }
2596 ],
2597 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2598 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2599     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2600 fi
2601
2602
2603 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2604 AC_TRY_COMPILE([#include <sys/types.h>
2605 #include <fcntl.h>],
2606 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2607 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2608 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2609     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2610 fi
2611
2612 #################################################
2613 # Check for POSIX capability support
2614
2615 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2616     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2617     [], [])
2618
2619 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2620
2621     ac_save_LIBS=$LIBS
2622     AC_LIBTESTFUNC(cap, cap_get_proc)
2623
2624     AC_CACHE_CHECK([for POSIX capabilities],
2625             samba_cv_HAVE_POSIX_CAPABILITIES,
2626             [
2627                 AC_TRY_RUN([
2628 #include <sys/types.h>
2629 #include <sys/capability.h>
2630 main() {
2631  cap_t cap;
2632  cap_value_t vals[1];
2633  if (!(cap = cap_get_proc()))
2634    return(1);
2635  vals[0] = CAP_CHOWN;
2636  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2637  cap_set_proc(cap);
2638  return(0);
2639 }],
2640                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2641                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2642                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2643             ])
2644
2645 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2646     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2647             [Whether POSIX capabilities are available])
2648 else
2649     LIBS=$ac_save_LIBS
2650 fi
2651
2652 fi
2653
2654 #
2655 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2656 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2657 #
2658
2659 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2660 AC_TRY_COMPILE([#include <sys/types.h>
2661 #if defined(HAVE_RPC_RPC_H)
2662 #include <rpc/rpc.h>
2663 #endif],
2664 [int16 testvar;],
2665 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2666 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2667     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2668 fi
2669
2670 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2671 AC_TRY_COMPILE([#include <sys/types.h>
2672 #if defined(HAVE_RPC_RPC_H)
2673 #include <rpc/rpc.h>
2674 #endif],
2675 [uint16 testvar;],
2676 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2677 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2678     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2679 fi
2680
2681 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2682 AC_TRY_COMPILE([#include <sys/types.h>
2683 #if defined(HAVE_RPC_RPC_H)
2684 #include <rpc/rpc.h>
2685 #endif],
2686 [int32 testvar;],
2687 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2688 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2689     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2690 fi
2691
2692 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2693 AC_TRY_COMPILE([#include <sys/types.h>
2694 #if defined(HAVE_RPC_RPC_H)
2695 #include <rpc/rpc.h>
2696 #endif],
2697 [uint32 testvar;],
2698 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2699 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2700     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2701 fi
2702
2703 dnl
2704 dnl Some systems (SCO) have a problem including
2705 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2706 dnl as a #define in <prot.h> and as part of an enum
2707 dnl in <rpc/rpc.h>.
2708 dnl
2709
2710 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2711 AC_TRY_COMPILE([#include <sys/types.h>
2712 #ifdef HAVE_SYS_SECURITY_H
2713 #include <sys/security.h>
2714 #include <prot.h>
2715 #endif  /* HAVE_SYS_SECURITY_H */
2716 #if defined(HAVE_RPC_RPC_H)
2717 #include <rpc/rpc.h>
2718 #endif],
2719 [int testvar;],
2720 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2721 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2722     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2723 fi
2724
2725 AC_MSG_CHECKING([for test routines])
2726 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
2727            AC_MSG_RESULT(yes),
2728            AC_MSG_ERROR([cant find test code. Aborting config]),
2729            AC_MSG_WARN([cannot run when cross-compiling]))
2730
2731 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2732 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
2733            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2734 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2735     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2736 fi
2737
2738 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2739 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
2740            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2741 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2742     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2743 fi
2744
2745 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2746 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2747 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2748 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2749 AC_CHECK_FUNCS(getpagesize)
2750
2751 ################################################
2752 # look for a method of setting the effective uid
2753 seteuid=no;
2754
2755 ################################################
2756 # Start by checking for 32-bit system call definitions on Linux.
2757
2758 case "$host_os" in
2759 *linux*)
2760 AC_CACHE_CHECK([for Linux 32-bit system calls],samba_cv_USE_LINUX_32BIT_SYSCALLS,[
2761 AC_TRY_COMPILE([
2762 #if defined(HAVE_UNISTD_H)
2763 #include <unistd.h>
2764 #endif
2765 #include <stdlib.h>
2766 #include <stdio.h>
2767 #include <sys/types.h>
2768 #include <errno.h>
2769
2770 #ifdef HAVE_SYS_PRIV_H
2771 #include <sys/priv.h>
2772 #endif
2773 #ifdef HAVE_SYS_ID_H
2774 #include <sys/id.h>
2775 #endif
2776
2777 #if defined(HAVE_SYSCALL_H)
2778 #include <syscall.h>
2779 #endif
2780
2781 #if defined(HAVE_SYS_SYSCALL_H)
2782 #include <sys/syscall.h>
2783 #endif
2784 ],
2785 [
2786 syscall(SYS_setresuid32, -1, -1, -1);
2787 syscall(SYS_setresgid32, -1, -1, -1);
2788 syscall(SYS_setreuid32, -1, -1);
2789 syscall(SYS_setregid32, -1, -1);
2790 syscall(SYS_setuid32, -1);
2791 syscall(SYS_setgid32, -1);
2792 syscall(SYS_setgroups32, 0, NULL);
2793 ], samba_cv_USE_LINUX_32BIT_SYSCALLS=yes,samba_cv_USE_LINUX_32BIT_SYSCALLS=no,samba_cv_USE_LINUX_32BIT_SYSCALLS=cross)])
2794
2795 if test x"$samba_cv_USE_LINUX_32BIT_SYSCALLS" = x"yes"; then
2796     AC_DEFINE(USE_LINUX_32BIT_SYSCALLS,1,[Use Linux 32-bit system calls])
2797     AC_CACHE_CHECK([for Linux thread-specific credentials with 32-bit system calls],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2798     AC_TRY_RUN([
2799 #define AUTOCONF_TEST 1
2800 #define USE_LINUX_THREAD_CREDENTIALS 1
2801 #define USE_LINUX_32BIT_SYSCALLS 1
2802 #include "${srcdir-.}/../lib/util/setid.c"
2803 #include "${srcdir-.}/lib/util_sec.c"],
2804            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2805 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2806     seteuid=yes;
2807     AC_DEFINE(USE_LINUX_THREAD_CREDENTIALS,1,[Whether we can use Linux thread-specific credentials with 32-bit system calls])
2808 fi
2809 fi
2810
2811 if test $seteuid = no; then
2812 AC_CACHE_CHECK([for Linux thread-specific credentials],samba_cv_USE_LINUX_THREAD_CREDENTIALS,[
2813 AC_TRY_RUN([
2814 #define AUTOCONF_TEST 1
2815 #define USE_LINUX_THREAD_CREDENTIALS 1
2816 #include "${srcdir-.}/../lib/util/setid.c"
2817 #include "${srcdir-.}/lib/util_sec.c"],
2818            samba_cv_USE_LINUX_THREAD_CREDENTIALS=yes,samba_cv_USE_LINUX_THREAD_CREDENTIALS=no,samba_cv_USE_LINUX_THREAD_CREDENTIALS=cross)])
2819 if test x"$samba_cv_USE_LINUX_THREAD_CREDENTIALS" = x"yes"; then
2820     seteuid=yes;AC_DEFINE(USE_LINUX_THREAD_CREDENTIALS,1,[Whether we can use Linux thread-specific credentials])
2821 fi
2822 fi
2823
2824 ;;
2825 esac
2826
2827 if test $seteuid = no; then
2828 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2829 AC_TRY_RUN([
2830 #define AUTOCONF_TEST 1
2831 #define USE_SETREUID 1
2832 #include "confdefs.h"
2833 #include "${srcdir-.}/../lib/util/setid.c"
2834 #include "${srcdir-.}/lib/util_sec.c"],
2835            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2836 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2837     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2838 fi
2839 fi
2840
2841 # we check for setresuid second as it conflicts with AIO on Linux. 
2842 # see http://samba.org/~tridge/junkcode/aio_uid.c
2843 if test $seteuid = no; then
2844 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2845 AC_TRY_RUN([
2846 #define AUTOCONF_TEST 1
2847 #define USE_SETRESUID 1
2848 #include "confdefs.h"
2849 #include "${srcdir-.}/../lib/util/setid.c"
2850 #include "${srcdir-.}/lib/util_sec.c"],
2851            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2852 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2853     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2854 fi
2855 fi
2856
2857 if test $seteuid = no; then
2858 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2859 AC_TRY_RUN([
2860 #define AUTOCONF_TEST 1
2861 #define USE_SETEUID 1
2862 #include "confdefs.h"
2863 #include "${srcdir-.}/../lib/util/setid.c"
2864 #include "${srcdir-.}/lib/util_sec.c"],
2865            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2866 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2867     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2868 fi
2869 fi
2870
2871 if test $seteuid = no; then
2872 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2873 AC_TRY_RUN([
2874 #define AUTOCONF_TEST 1
2875 #define USE_SETUIDX 1
2876 #include "confdefs.h"
2877 #include "${srcdir-.}/../lib/util/setid.c"
2878 #include "${srcdir-.}/lib/util_sec.c"],
2879            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2880 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2881     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2882 fi
2883 fi
2884
2885 AC_CACHE_CHECK([for the Darwin initgroups system call],
2886         samba_cv_DARWIN_INITGROUPS,
2887         AC_TRY_LINK([
2888 #include <sys/syscall.h>
2889 #include <unistd.h>
2890         ],
2891         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2892         samba_cv_DARWIN_INITGROUPS=yes,
2893         samba_cv_DARWIN_INITGROUPS=no)
2894 )
2895
2896 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2897     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2898         [Whether to use the Darwin-specific initgroups system call])
2899 fi
2900
2901 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2902 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
2903            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2904 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2905     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2906 fi
2907
2908 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
2909 AC_CACHE_CHECK([for broken posix_fallocate],samba_cv_HAVE_BROKEN_POSIX_FALLOCATE,[
2910 AC_TRY_COMPILE([
2911   #define _XOPEN_SOURCE 600
2912   #include <stdlib.h>
2913   #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
2914   #error probably broken posix_fallocate
2915   #endif
2916 ], [
2917 ], 
2918 samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=no,samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=yes)])
2919 if test x"$samba_cv_HAVE_BROKEN_POSIX_FALLOCATE" = xyes; then
2920         AC_DEFINE(HAVE_BROKEN_POSIX_FALLOCATE, 1, Whether we have a broken posix_fallocate)
2921 fi
2922
2923
2924 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2925 AC_TRY_COMPILE([#include <sys/types.h>
2926 #include <sys/stat.h>
2927 #include <unistd.h>],
2928 [struct stat st;  st.st_blocks = 0;],
2929 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2930 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2931     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2932 fi
2933
2934 AC_CACHE_CHECK([for 32 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_4,[
2935 AC_TRY_RUN([
2936 #if defined(HAVE_UNISTD_H)
2937 #include <unistd.h>
2938 #endif
2939 #include <stdio.h>
2940 #include <sys/types.h>
2941 #include <sys/stat.h>
2942 main() { return((sizeof(blkcnt_t) == 4) ? 0 : 1); }],
2943 samba_cv_SIZEOF_BLKCNT_T_4=yes,samba_cv_SIZEOF_BLKCNT_T_4=no,samba_cv_SIZEOF_BLKCNT_T_4=cross)])
2944 if test x"$samba_cv_SIZEOF_BLKCNT_T_4" = x"yes"; then
2945     AC_DEFINE(SIZEOF_BLKCNT_T_4,1,[The size of the 'blkcnt_t' type])
2946 fi
2947
2948 AC_CACHE_CHECK([for 64 bit blkcnt_t],samba_cv_SIZEOF_BLKCNT_T_8,[
2949 AC_TRY_RUN([
2950 #if defined(HAVE_UNISTD_H)
2951 #include <unistd.h>
2952 #endif
2953 #include <stdio.h>
2954 #include <sys/types.h>
2955 #include <sys/stat.h>
2956 main() { return((sizeof(blkcnt_t) == 8) ? 0 : 1); }],
2957 samba_cv_SIZEOF_BLKCNT_T_8=yes,samba_cv_SIZEOF_BLKCNT_T_8=no,samba_cv_SIZEOF_BLKCNT_T_8=cross)])
2958 if test x"$samba_cv_SIZEOF_BLKCNT_T_8" = x"yes"; then
2959     AC_DEFINE(SIZEOF_BLKCNT_T_8,1,[The size of the 'blkcnt_t' type])
2960 fi
2961
2962 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2963 AC_TRY_COMPILE([#include <sys/types.h>
2964 #include <sys/stat.h>
2965 #include <unistd.h>],
2966 [struct stat st;  st.st_blksize = 0;],
2967 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2968 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2969     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2970 fi
2971
2972 AC_CACHE_CHECK([for st_flags in struct stat],
2973         samba_cv_HAVE_STAT_ST_FLAGS,
2974         [
2975             AC_TRY_COMPILE([#include <sys/types.h>
2976 #include <sys/stat.h>
2977 #include <unistd.h>],
2978             [struct stat st;  st.st_flags = 0;],
2979             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2980             samba_cv_HAVE_STAT_ST_FLAGS=no,
2981             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2982         ])
2983
2984 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
2985     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
2986                 [Whether the stat struct has a st_flags member])
2987 fi
2988
2989 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
2990 AC_TRY_COMPILE([
2991 #include <sys/types.h>
2992 #include <sys/acl.h>
2993 #if defined(HAVE_RPCSVC_NIS_H)
2994 #include <rpcsvc/nis.h>
2995 #endif],
2996 [int i;],
2997 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
2998 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
2999         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
3000 fi
3001
3002 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
3003 AC_TRY_RUN([
3004 #include <stdio.h>
3005 #include <limits.h>
3006 #include <signal.h>
3007
3008 void exit_on_core(int ignored) {
3009         exit(1);
3010 }
3011
3012 main() {
3013         char *newpath;
3014         signal(SIGSEGV, exit_on_core);
3015         newpath = realpath("/tmp", NULL);
3016         return((newpath != NULL) ? 0 : 1);
3017 }
3018 ],
3019 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
3020 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
3021     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
3022 fi
3023
3024 #################################################
3025 # check for AFS clear-text auth support
3026 samba_cv_WITH_AFS=no
3027 AC_MSG_CHECKING(whether to use AFS clear-text auth)
3028 AC_ARG_WITH(afs,
3029 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
3030 [ case "$withval" in
3031   yes|auto)
3032     AC_MSG_RESULT($withval)
3033     samba_cv_WITH_AFS=$withval
3034     ;;
3035   *)
3036     AC_MSG_RESULT(no)
3037     ;;
3038   esac ],
3039   AC_MSG_RESULT(no)
3040 )
3041
3042 ####################################################
3043 # check for Linux-specific AFS fake-kaserver support
3044 samba_cv_WITH_FAKE_KASERVER=no
3045 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
3046 AC_ARG_WITH(fake-kaserver,
3047 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
3048 [ case "$withval" in
3049   yes|auto)
3050     AC_MSG_RESULT($withval)
3051     samba_cv_WITH_FAKE_KASERVER=$withval
3052     ;;
3053   *)
3054     AC_MSG_RESULT(no)
3055     ;;
3056   esac ],
3057   AC_MSG_RESULT(no)
3058 )
3059
3060 #################################################
3061 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
3062 if test x"$samba_cv_WITH_AFS" != x"no" ||
3063    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
3064
3065     # see if this box has the OpenSSL DES libraries
3066     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
3067
3068     # see if this box has the afs-headers in /usr/include/afs
3069     AC_MSG_CHECKING(for /usr/include/afs)
3070     if test -d /usr/include/afs; then
3071           AC_MSG_RESULT(yes)
3072     else
3073       AC_MSG_RESULT(no)
3074     fi
3075
3076     # check for afs.h
3077     have_afs_headers=no
3078     AC_CHECK_HEADERS(afs.h afs/afs.h)
3079     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
3080         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
3081            test x"$samba_cv_WITH_AFS" = x"auto"; then
3082                 AC_MSG_WARN([AFS cannot be supported without afs.h])
3083         else
3084                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
3085         fi
3086     else
3087         have_afs_headers=yes
3088     fi
3089 fi
3090
3091 FAKE_KASERVER_OBJ=""
3092 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
3093     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
3094     FAKE_KASERVER_OBJ="utils/net_afs.o"
3095 fi
3096 AC_SUBST(FAKE_KASERVER_OBJ)
3097
3098 #################################################
3099 # check whether to compile AFS/NT ACL mapping module
3100 samba_cv_WITH_VFS_AFSACL=no
3101 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
3102 AC_ARG_WITH(vfs-afsacl,
3103 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
3104 [ case "$withval" in
3105   yes|auto)
3106     AC_MSG_RESULT($withval)
3107     samba_cv_WITH_VFS_AFSACL=yes
3108     ;;
3109   *)
3110     AC_MSG_RESULT(no)
3111     ;;
3112   esac ],
3113   AC_MSG_RESULT(no)
3114 )
3115
3116 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
3117    default_shared_modules="$default_shared_modules vfs_afsacl"
3118 fi
3119         
3120 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
3121     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
3122 fi
3123
3124 #################################################
3125 # check for the DFS clear-text auth system
3126 AC_MSG_CHECKING(whether to use DFS clear-text auth)
3127 AC_ARG_WITH(dfs,
3128 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
3129 [ case "$withval" in
3130   yes)
3131     AC_MSG_RESULT(yes)
3132     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
3133     ;;
3134   *)
3135     AC_MSG_RESULT(no)
3136     ;;
3137   esac ],
3138   AC_MSG_RESULT(no)
3139 )
3140
3141 ########################################################
3142 # Compile with LDAP support?
3143
3144 with_ldap_support=auto
3145 AC_MSG_CHECKING([for LDAP support])
3146
3147 AC_ARG_WITH(ldap,
3148 [AS_HELP_STRING([--with-ldap], [LDAP support (default=auto)])],
3149 [ case "$withval" in
3150     yes|no)
3151         with_ldap_support=$withval
3152         ;;
3153   esac ])
3154
3155 AC_MSG_RESULT($with_ldap_support)
3156
3157 SMBLDAP=""
3158 AC_SUBST(SMBLDAP)
3159
3160 if test x"$with_ldap_support" != x"no"; then
3161
3162   ##################################################################
3163   # first test for ldap.h and lber.h
3164   # (ldap.h is required for this test)
3165   AC_CHECK_HEADERS(ldap.h lber.h)
3166
3167   if test x"$ac_cv_header_ldap_h" != x"yes"; then
3168         if test x"$with_ldap_support" = x"yes"; then
3169          AC_MSG_ERROR(ldap.h is needed for LDAP support)
3170         else
3171          AC_MSG_WARN(ldap.h is needed for LDAP support)
3172         fi
3173         
3174         with_ldap_support=no
3175   fi
3176
3177   ##################################################################
3178   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
3179   # unsigned int in include/includes.h
3180   case $host_os in
3181         *hpux*)
3182          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3183          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
3184         with_ldap_support=yes
3185         ;;
3186         *)
3187         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
3188         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
3189                 if test x"$with_ldap_support" = x"yes"; then
3190                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3191                 else
3192                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3193                 fi
3194                 with_ldap_support=no
3195         fi
3196         ;;
3197   esac
3198 fi
3199
3200 if test x"$with_ldap_support" != x"no"; then
3201   ac_save_LIBS=$LIBS
3202
3203   ##################################################################
3204   # we might need the lber lib on some systems. To avoid link errors
3205   # this test must be before the libldap test
3206   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3207
3208   ########################################################
3209   # If ber_sockbuf_add_io() is available we can add
3210   # SASL wrapping hooks
3211   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3212
3213   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3214                  AC_TRY_COMPILE([#include <ldap.h>],
3215                                 [int val = LDAP_OPT_SOCKBUF;],
3216                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3217                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3218
3219   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3220           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3221         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3222   fi
3223
3224   #######################################################
3225   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3226   # ldap logging and print it out in the samba logs
3227   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3228                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3229                  [AC_TRY_COMPILE([#include <lber.h>],
3230                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3231                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3232                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3233
3234   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3235         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3236                   [Support for LDAP/LBER logging interception])
3237   fi
3238
3239   ########################################################
3240   # now see if we can find the ldap libs in standard paths
3241   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3242
3243   ########################################################
3244   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3245   # Check found in pam_ldap 145.
3246   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3247
3248   LIBS="$LIBS $LDAP_LIBS"
3249   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3250     AC_TRY_COMPILE([
3251         #include <lber.h>
3252         #include <ldap.h>],
3253         [ldap_set_rebind_proc(0, 0, 0);],
3254         [smb_ldap_cv_ldap_set_rebind_proc=3],
3255         [smb_ldap_cv_ldap_set_rebind_proc=2]
3256     )
3257   ])
3258
3259   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3260
3261   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3262
3263   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3264     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3265     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3266     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3267     default_shared_modules="$default_shared_modules";
3268     SMBLDAP="lib/smbldap.o"
3269     with_ldap_support=yes
3270     AC_MSG_CHECKING(whether LDAP support is used)
3271     AC_MSG_RESULT(yes)
3272   else
3273     if test x"$with_ldap_support" = x"yes"; then
3274         AC_MSG_ERROR(libldap is needed for LDAP support)
3275     else
3276         AC_MSG_WARN(libldap is needed for LDAP support)
3277     fi
3278
3279     LDAP_LIBS=""
3280     with_ldap_support=no
3281   fi
3282   LIBS=$ac_save_LIBS
3283 fi
3284
3285
3286 #################################################
3287 # active directory support
3288
3289 with_ads_support=auto
3290 AC_MSG_CHECKING([for Active Directory and krb5 support])
3291
3292 AC_ARG_WITH(ads,
3293 [AS_HELP_STRING([--with-ads], [Active Directory support (default=auto)])],
3294 [ case "$withval" in
3295     yes|no)
3296         with_ads_support="$withval"
3297         ;;
3298   esac ])
3299
3300 AC_MSG_RESULT($with_ads_support)
3301
3302 FOUND_KRB5=no
3303 KRB5_LIBS=""
3304
3305 if test x"$with_ldap_support" != x"yes"; then
3306
3307     if test x"$with_ads_support" = x"yes"; then
3308         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3309     elif test x"$with_ads_support" = x"auto"; then
3310         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3311         with_ads_support=no
3312     fi
3313
3314 else
3315
3316     # Check to see whether there is enough LDAP functionality to be able
3317     # to build AD support.
3318
3319 # HPUX and Solaris only has ldap_init; ok, we take care of this in smbldap.c
3320 case "$host_os" in
3321         *hpux* | *solaris*)
3322     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3323
3324     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3325         if test x"$with_ads_support" = x"yes"; then
3326             AC_MSG_ERROR(Active Directory support on HPUX or Solaris requires ldap_init)
3327         elif test x"$with_ads_support" = x"auto"; then
3328             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX or Solaris))
3329             with_ads_support=no
3330         fi
3331     fi
3332     ;;
3333         *)
3334     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3335
3336     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3337         if test x"$with_ads_support" = x"yes"; then
3338             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3339         elif test x"$with_ads_support" = x"auto"; then
3340             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3341             with_ads_support=no
3342         fi
3343     fi
3344     ;;
3345 esac
3346
3347
3348     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3349
3350     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3351         if test x"$with_ads_support" = x"yes"; then
3352             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3353         elif test x"$with_ads_support" = x"auto"; then
3354             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3355             with_ads_support=no
3356         fi
3357     fi
3358
3359 fi
3360
3361 if test x"$with_ads_support" != x"no"; then
3362
3363   # Do no harm to the values of CFLAGS and LIBS while testing for
3364   # Kerberos support.
3365
3366   if test x$FOUND_KRB5 = x"no"; then
3367     #################################################
3368     # check for location of Kerberos 5 install
3369     AC_MSG_CHECKING(for kerberos 5 install path)
3370     AC_ARG_WITH(krb5,
3371     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3372     [ case "$withval" in
3373       no)
3374         AC_MSG_RESULT(no krb5-path given)
3375         ;;
3376       yes)
3377         AC_MSG_RESULT(/usr)
3378         ;;
3379       *)
3380         AC_MSG_RESULT($withval)
3381         KRB5_CFLAGS="-I$withval/include"
3382         KRB5_CPPFLAGS="-I$withval/include"
3383         KRB5_LDFLAGS="-L$withval/lib"
3384         FOUND_KRB5=yes
3385         if test -x "$withval/bin/krb5-config"; then
3386                 KRB5CONFIG=$withval/bin/krb5-config
3387         fi
3388         ;;
3389       esac ],
3390       AC_MSG_RESULT(no krb5-path given)
3391     )
3392   fi
3393
3394   #################################################
3395   # check for krb5-config from recent MIT and Heimdal kerberos 5
3396   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3397   AC_MSG_CHECKING(for working krb5-config)
3398   if test -x "$KRB5CONFIG" && $KRB5CONFIG --libs gssapi > /dev/null ; then
3399     ac_save_CFLAGS=$CFLAGS
3400     CFLAGS="";export CFLAGS
3401     ac_save_LDFLAGS=$LDFLAGS
3402     LDFLAGS="";export LDFLAGS
3403     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3404     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3405     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3406     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3407     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3408     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3409     FOUND_KRB5=yes
3410     AC_MSG_RESULT(yes)
3411   else
3412     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3413   fi
3414
3415   if test x$FOUND_KRB5 = x"no"; then
3416     #################################################
3417     # see if this box has the SuSE location for the heimdal krb implementation
3418     AC_MSG_CHECKING(for /usr/include/heimdal)
3419     if test -d /usr/include/heimdal; then
3420       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3421           KRB5_CFLAGS="-I/usr/include/heimdal"
3422           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3423           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3424           FOUND_KRB5=yes
3425           AC_MSG_RESULT(yes)
3426       else
3427           KRB5_CFLAGS="-I/usr/include/heimdal"
3428           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3429           FOUND_KRB5=yes
3430           AC_MSG_RESULT(yes)
3431       fi
3432     else
3433       AC_MSG_RESULT(no)
3434     fi
3435   fi
3436
3437   if test x$FOUND_KRB5 = x"no"; then
3438     #################################################
3439     # see if this box has the RedHat location for kerberos
3440     AC_MSG_CHECKING(for /usr/kerberos)
3441     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3442       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3443       KRB5_CFLAGS="-I/usr/kerberos/include"
3444       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3445       FOUND_KRB5=yes
3446       AC_MSG_RESULT(yes)
3447     else
3448       AC_MSG_RESULT(no)
3449     fi
3450   fi
3451
3452   if test x$FOUND_KRB5 = x"no"; then
3453     #################################################
3454     # see if this box has the OpenBSD location for heimdal krb5
3455     AC_MSG_CHECKING(for /usr/include/kerberosV)
3456     if test -d /usr/include/kerberosV; then
3457       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3458       KRB5_LIBS="-lcrypto"
3459       FOUND_KRB5=yes
3460       AC_MSG_RESULT(yes)
3461     else
3462       AC_MSG_RESULT(no)
3463     fi
3464   fi
3465
3466   if test x$FOUND_KRB5 = x"no"; then
3467     #################################################
3468     # see if this box has Solaris MIT kerberos implementation
3469     AC_MSG_CHECKING(for Solaris MIT kerberos)
3470     if test -x "$KRB5CONFIG" && $KRB5CONFIG --version | grep -s Solaris | grep -s MIT > /dev/null ; then
3471        FOUND_KRB5=yes
3472        KRB5_LIBS="-lgss -lkrb5"
3473        KRB5_CFLAGS="`$KRB5CONFIG --cflags`"
3474        KRB5_CPPFLAGS="`$KRB5CONFIG --cflags`"
3475        AC_MSG_RESULT(yes)
3476     else
3477       AC_MSG_RESULT(no)
3478     fi
3479   fi
3480
3481   ac_save_CFLAGS=$CFLAGS
3482   ac_save_CPPFLAGS=$CPPFLAGS
3483   ac_save_LDFLAGS=$LDFLAGS
3484
3485   # remove needless evil rpath stuff as early as possible:
3486   LIB_REMOVE_USR_LIB(KRB5_LIBS)
3487   LIB_REMOVE_USR_LIB(KRB5_LDFLAGS)
3488   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3489   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3490   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3491
3492   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3493
3494   # now check for krb5.h. Some systems have the libraries without the headers!
3495   # note that this check is done here to allow for different kerberos
3496   # include paths
3497   AC_CHECK_HEADERS(krb5.h)
3498
3499   if test x"$ac_cv_header_krb5_h" = x"no"; then
3500
3501     # Give a warning if AD support was not explicitly requested,
3502     # i.e with_ads_support = auto, otherwise die with an error.
3503
3504     if test x"$with_ads_support" = x"yes"; then
3505       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3506     else
3507       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3508     fi
3509
3510     # Turn off AD support and restore CFLAGS and LIBS variables
3511
3512     with_ads_support="no"
3513
3514     CFLAGS=$ac_save_CFLAGS
3515     CPPFLAGS=$ac_save_CPPFLAGS
3516     LDFLAGS=$ac_save_LDFLAGS
3517   fi
3518
3519   # check for new heimdal KRB5_DEPRECATED handling
3520
3521   AC_CACHE_CHECK([for KRB5_DEPRECATED define taking an identifier],
3522                 samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER,[
3523     AC_TRY_COMPILE(
3524       [#define KRB5_DEPRECATED 1
3525       #include <krb5.h>],
3526       [],
3527       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=yes,
3528       samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER=no)])
3529
3530   if test x"$samba_cv_HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER" = x"yes"; then
3531     AC_DEFINE(HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER, 1,
3532                [Whether to use deprecated krb5 interfaces])
3533   fi
3534 fi
3535
3536 # Now we have determined whether we really want ADS support
3537 use_ads=no
3538 if test x"$with_ads_support" != x"no"; then
3539   use_ads=yes
3540   have_gssapi=no
3541   ac_save_LIBS=$LIBS
3542
3543   # now check for gssapi headers.  This is also done here to allow for
3544   # different kerberos include paths
3545   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h)
3546
3547   ##################################################################
3548   # we might need the k5crypto and com_err libraries on some systems
3549   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3550   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3551
3552   # Heimdal checks.
3553   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3554   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3555   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3556
3557   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3558   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3559
3560   ########################################################
3561   # now see if we can find the krb5 libs in standard paths
3562   # or as specified above
3563   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3564   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3565
3566   ########################################################
3567   # now see if we can find the gssapi libs in standard paths
3568   if test x"$have_gssapi" != x"yes"; then
3569      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3570      AC_CHECK_LIB_EXT(gss, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3571   fi
3572   ################################################################
3573   # test for AD / GSSAPI support being enabled
3574   if test x"$have_gssapi" != xyes ; then
3575         AC_MSG_WARN([Samba cannot be supported without GSSAPI])
3576         use_ads=no
3577   else
3578         AC_DEFINE(HAVE_GSSAPI, , [Whether the platform has GSSAPI support])
3579   fi
3580
3581   # This is for FreeBSD (and possibly others). gss_mech_krb5 is a
3582   # #define to GSS_KRB5_MECHANISM, which is defined in -lgssapi_krb5
3583   # Also, gsskrb5_extract_authz_data_from_sec_context is in -lgssapi_krb5
3584   AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS, GSS_KRB5_MECHANISM,
3585                    [KRB5_LIBS="$KRB5_LIBS -lgssapi_krb5"])
3586
3587   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3588   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3589   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3590   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3591   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3592   AC_CHECK_FUNC_EXT(krb5_c_string_to_key, $KRB5_LIBS)
3593   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3594   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3595   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3596   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3597   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3598   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3599   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3600   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3601   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3602   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3603   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3604   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3605   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3606   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3607   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3608   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3609   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3610   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3611   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3612   AC_CHECK_FUNC_EXT(krb5_make_principal, $KRB5_LIBS)
3613   AC_CHECK_FUNC_EXT(krb5_principal_get_num_comp, $KRB5_LIBS)
3614   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3615   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3616   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3617   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3618   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3619   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3620   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3621   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3622   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3623   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3624   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_alloc, $KRB5_LIBS)
3625   AC_CHECK_FUNC_EXT(krb5_get_creds_opt_set_impersonate, $KRB5_LIBS)
3626   AC_CHECK_FUNC_EXT(krb5_get_creds, $KRB5_LIBS)
3627   AC_CHECK_FUNC_EXT(krb5_get_credentials_for_user, $KRB5_LIBS)
3628   AC_CHECK_FUNC_EXT(krb5_get_host_realm, $KRB5_LIBS)
3629   AC_CHECK_FUNC_EXT(krb5_free_host_realm, $KRB5_LIBS)
3630   AC_CHECK_FUNC_EXT(krb5_get_init_creds_keytab, $KRB5_LIBS)
3631   AC_CHECK_FUNC_EXT(krb5_build_principal_alloc_va, $KRB5_LIBS)
3632   AC_CHECK_FUNC_EXT(krb5_cc_get_lifetime, $KRB5_LIBS)
3633   AC_CHECK_FUNC_EXT(krb5_cc_retrieve_cred, $KRB5_LIBS)
3634   AC_CHECK_FUNC_EXT(krb5_free_checksum_contents, $KRB5_LIBS)
3635   AC_CHECK_FUNC_EXT(krb5_create_checksum, $KRB5_LIBS)
3636   AC_CHECK_FUNC_EXT(krb5_c_make_checksum, $KRB5_LIBS)
3637   AC_CHECK_FUNC_EXT(gss_krb5_import_cred, $KRB5_LIBS)
3638   AC_CHECK_FUNC_EXT(gss_get_name_attribute, $KRB5_LIBS)
3639   AC_CHECK_FUNC_EXT(gsskrb5_extract_authz_data_from_sec_context, $KRB5_LIBS)
3640   AC_CHECK_FUNC_EXT(gss_mech_krb5, $KRB5_LIBS)
3641   AC_CHECK_FUNC_EXT(gss_oid_equal, $KRB5_LIBS)
3642   AC_CHECK_FUNC_EXT(gss_inquire_sec_context_by_oid, $KRB5_LIBS)
3643   AC_CHECK_FUNC_EXT(gss_wrap_iov, $KRB5_LIBS)
3644
3645   # MIT krb5 1.8 does not expose this call (yet)
3646   AC_CHECK_DECLS(krb5_get_credentials_for_user, [], [], [#include <krb5.h>])
3647
3648   # MIT krb5 1.7beta3 (in Ubuntu Karmic) does not have this declaration
3649   # but does have the symbol
3650   AC_CHECK_DECLS(krb5_auth_con_set_req_cksumtype, [], [], [#include <krb5.h>])
3651
3652   LIBS="$KRB5_LIBS $LIBS"
3653
3654   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3655           smb_krb5_cv_creds_opt_free_context,
3656           [
3657                 AC_TRY_COMPILE([
3658                     #include <krb5.h>],
3659                     [
3660                         krb5_context ctx;
3661                         krb5_get_init_creds_opt *opt = NULL;
3662                         krb5_get_init_creds_opt_free(ctx, opt);
3663                     ],
3664                     [smb_krb5_cv_creds_opt_free_context=yes],
3665                     [smb_krb5_cv_creds_opt_free_context=no]
3666                 )
3667           ])
3668
3669   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3670         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3671             [Whether krb5_get_init_creds_opt_free takes a context argument])
3672   fi
3673
3674   AC_CACHE_CHECK([for checksum in krb5_checksum],
3675                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3676     AC_TRY_COMPILE([#include <krb5.h>],
3677       [krb5_checksum cksum; cksum.checksum.length = 0;],
3678       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3679       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3680
3681   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3682     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3683                [Whether the krb5_checksum struct has a checksum property])
3684   fi
3685
3686   AC_CACHE_CHECK([for etype in EncryptedData],
3687                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3688     AC_TRY_COMPILE([#include <krb5.h>],
3689       [EncryptedData edata; edata.etype = 0;],
3690       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3691       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3692
3693   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3694     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3695                [Whether the EncryptedData struct has a etype property])
3696   fi
3697
3698   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3699                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3700     AC_TRY_COMPILE([#include <krb5.h>],
3701       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3702       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3703       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3704
3705   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
3706     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
3707                [Whether the krb5_ap_req struct has a ticket pointer])
3708   fi
3709
3710   AC_CACHE_CHECK([for e_data pointer in krb5_error],
3711                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
3712     AC_TRY_COMPILE([#include <krb5.h>],
3713       [krb5_error err; err.e_data = NULL;],
3714       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
3715       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
3716
3717   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
3718     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
3719                [Whether the krb5_error struct has a e_data pointer])
3720   fi
3721
3722   AC_CACHE_CHECK([for krb5_crypto type],
3723                 samba_cv_HAVE_KRB5_CRYPTO,[
3724     AC_TRY_COMPILE([#include <krb5.h>],
3725       [krb5_crypto crypto;],
3726       samba_cv_HAVE_KRB5_CRYPTO=yes,
3727       samba_cv_HAVE_KRB5_CRYPTO=no)])
3728
3729   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
3730     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
3731                [Whether the type krb5_crypto exists])
3732   fi
3733
3734   AC_CACHE_CHECK([for addrtype in krb5_address],
3735                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
3736     AC_TRY_COMPILE([#include <krb5.h>],
3737       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
3738       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
3739       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
3740
3741   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
3742     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
3743                [Whether the krb5_address struct has a addrtype property])
3744   fi
3745
3746   AC_CACHE_CHECK([for addr_type in krb5_address],
3747                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
3748     AC_TRY_COMPILE([#include <krb5.h>],
3749       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
3750       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
3751       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
3752
3753   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
3754     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
3755               [Whether the krb5_address struct has a addr_type property])
3756   fi
3757
3758   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
3759                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
3760     AC_TRY_COMPILE([#include <krb5.h>],
3761       [krb5_keyblock key; key.keyvalue.data = NULL;],
3762       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
3763       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
3764
3765   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
3766     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
3767               [Whether the krb5_keyblock struct has a keyvalue property])
3768   fi
3769
3770   found_arcfour_hmac=no
3771   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
3772                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
3773     AC_TRY_COMPILE([#include <krb5.h>],
3774       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
3775       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
3776       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
3777   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
3778                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
3779     AC_TRY_COMPILE([#include <krb5.h>],
3780       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
3781       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
3782       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
3783 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
3784 # w.r.t. arcfour and windows, so we must not enable it here
3785   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
3786           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
3787     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
3788               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available])
3789     found_arcfour_hmac=yes
3790   fi
3791   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC],
3792                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC,[
3793     AC_TRY_COMPILE([#include <krb5.h>],
3794       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC;],
3795       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=yes,
3796       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC=no)])
3797   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC" = x"yes"; then
3798     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC,1,
3799               [Whether the ENCTYPE_ARCFOUR_HMAC key type definition is available])
3800     found_arcfour_hmac=yes
3801   fi
3802
3803   AC_CACHE_CHECK([for ENCTYPE_AES128_CTS_HMAC_SHA1_96],
3804                  samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,[
3805     AC_TRY_COMPILE([#include <krb5.h>],
3806       [krb5_enctype enctype; enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;],
3807       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=yes,
3808       samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96=no)])
3809   if test x"$samba_cv_HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96" = x"yes"; then
3810     AC_DEFINE(HAVE_ENCTYPE_AES128_CTS_HMAC_SHA1_96,1,
3811               [Whether the ENCTYPE_AES128_CTS_HMAC_SHA1_96 key type definition is available])
3812   fi
3813   AC_CACHE_CHECK([for ENCTYPE_AES256_CTS_HMAC_SHA1_96],
3814                  samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,[
3815     AC_TRY_COMPILE([#include <krb5.h>],
3816       [krb5_enctype enctype; enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;],
3817       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=yes,
3818       samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96=no)])
3819   if test x"$samba_cv_HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96" = x"yes"; then
3820     AC_DEFINE(HAVE_ENCTYPE_AES256_CTS_HMAC_SHA1_96,1,
3821               [Whether the ENCTYPE_AES256_CTS_HMAC_SHA1_96 key type definition is available])
3822   fi
3823
3824   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
3825                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
3826     AC_TRY_COMPILE([#include <krb5.h>],
3827       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
3828       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
3829       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
3830
3831   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
3832     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
3833               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
3834   fi
3835
3836   AC_CACHE_CHECK([for KV5M_KEYTAB],
3837                  samba_cv_HAVE_KV5M_KEYTAB,[
3838     AC_TRY_COMPILE([#include <krb5.h>],
3839       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
3840       samba_cv_HAVE_KV5M_KEYTAB=yes,
3841       samba_cv_HAVE_KV5M_KEYTAB=no)])
3842
3843   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
3844       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
3845              [Whether the KV5M_KEYTAB option is available])
3846   fi
3847
3848   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
3849                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
3850     AC_TRY_COMPILE([#include <krb5.h>],
3851       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
3852       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
3853       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
3854
3855   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
3856     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
3857               [Whether KRB5_KU_OTHER_CKSUM is available])
3858   fi
3859
3860   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
3861                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
3862     AC_TRY_COMPILE([#include <krb5.h>],
3863       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
3864       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
3865       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
3866
3867   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
3868     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
3869               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
3870   fi
3871
3872   AC_CACHE_CHECK([for the krb5_princ_component macro],
3873                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
3874     AC_TRY_LINK([#include <krb5.h>],
3875       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
3876       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
3877       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
3878
3879   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
3880     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
3881                [Whether krb5_princ_component is available])
3882   fi
3883
3884   AC_CACHE_CHECK([for key in krb5_keytab_entry],
3885                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
3886     AC_TRY_COMPILE([#include <krb5.h>],
3887       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
3888       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
3889       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
3890
3891   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
3892     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
3893               [Whether krb5_keytab_entry has key member])
3894   fi
3895
3896   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
3897                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
3898     AC_TRY_COMPILE([#include <krb5.h>],
3899       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
3900       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
3901       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
3902
3903   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
3904     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
3905               [Whether krb5_keytab_entry has keyblock member])
3906   fi
3907
3908   AC_CACHE_CHECK([for magic in krb5_address],
3909                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
3910     AC_TRY_COMPILE([#include <krb5.h>],
3911       [krb5_address addr; addr.magic = 0;],
3912       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
3913       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
3914
3915   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
3916     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
3917               [Whether the krb5_address struct has a magic property])
3918   fi
3919
3920   AC_CACHE_CHECK([for WRFILE: keytab support],
3921                 samba_cv_HAVE_WRFILE_KEYTAB,[
3922     AC_TRY_RUN([
3923 #include<krb5.h>
3924   main()
3925   {
3926     krb5_context context;
3927     krb5_keytab keytab;
3928
3929     krb5_init_context(&context);
3930     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
3931   }],
3932   samba_cv_HAVE_WRFILE_KEYTAB=yes,
3933   samba_cv_HAVE_WRFILE_KEYTAB=no)])
3934
3935   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
3936       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
3937                [Whether the WRFILE:-keytab is supported])
3938   fi
3939
3940   AC_CACHE_CHECK([for krb5_realm type],
3941                 samba_cv_HAVE_KRB5_REALM_TYPE,[
3942     AC_TRY_COMPILE([#include <krb5.h>],
3943       [krb5_realm realm;],
3944       samba_cv_HAVE_KRB5_REALM_TYPE=yes,
3945       samba_cv_HAVE_KRB5_REALM_TYPE=no)])
3946
3947   if test x"$samba_cv_HAVE_KRB5_REALM_TYPE" = x"yes"; then
3948     AC_DEFINE(HAVE_KRB5_REALM_TYPE,1,
3949                [Whether the type krb5_realm exists])
3950   fi
3951
3952   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
3953                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
3954     AC_TRY_COMPILE([#include <krb5.h>],
3955     [
3956     krb5_context context;
3957     krb5_principal principal;
3958     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
3959     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
3960     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
3961
3962   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
3963     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
3964               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
3965   fi
3966
3967   AC_CACHE_CHECK([for krb5_addresses type],
3968                 samba_cv_HAVE_KRB5_ADDRESSES,[
3969     AC_TRY_COMPILE([#include <krb5.h>],
3970       [krb5_addresses addr;],
3971       samba_cv_HAVE_KRB5_ADDRESSES=yes,
3972       samba_cv_HAVE_KRB5_ADDRESSES=no)])
3973
3974   if test x"$samba_cv_HAVE_KRB5_ADDRESSES" = x"yes"; then
3975     AC_DEFINE(HAVE_KRB5_ADDRESSES,1,
3976                [Whether the type krb5_addresses type exists])
3977   fi
3978
3979   if test x"$ac_cv_func_ext_krb5_enctype_to_string" = x"yes"; then
3980     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_context context, krb5_enctype enctype, char **str)],
3981         smb_krb5_cv_enctype_to_string_takes_krb5_context_arg,[
3982         AC_TRY_RUN_STRICT([
3983                 #include <stdlib.h>
3984                 #include <krb5.h>
3985                 int main(void) {
3986                         krb5_context context = NULL;
3987                         char *str = NULL;
3988                         krb5_enctype_to_string(context, 1, &str);
3989                         if (str) free (str); 
3990                         return 0;
3991                 }
3992                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
3993                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=yes,
3994                 smb_krb5_cv_enctype_to_string_takes_krb5_context_arg=no)])
3995
3996     if test x"$smb_krb5_cv_enctype_to_string_takes_krb5_context_arg" = x"yes"; then
3997       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG,1,
3998                 [whether krb5_enctype_to_string takes krb5_context argument])
3999     fi
4000
4001     AC_CACHE_CHECK([for krb5_error_code krb5_enctype_to_string(krb5_enctype enctype, char *str, size_t len)],
4002         smb_krb5_cv_enctype_to_string_takes_size_t_arg,[
4003         AC_TRY_RUN_STRICT([
4004                 #include <krb5.h>
4005                 int main(void) {
4006                         char buf[256];
4007                         krb5_enctype_to_string(1, buf, 256);
4008                         return 0;
4009                 }
4010                 ],[$CFLAGS $Werror_FLAGS],[$CPPFLAGS],[$LDFLAGS],
4011                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=yes,
4012                 smb_krb5_cv_enctype_to_string_takes_size_t_arg=no)])
4013
4014     if test x"$smb_krb5_cv_enctype_to_string_takes_size_t_arg" = x"yes"; then
4015       AC_DEFINE(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG,1,
4016                 [whether krb5_enctype_to_string takes size_t argument])
4017     fi
4018   fi
4019
4020   AC_CACHE_CHECK([for krb5_principal_get_realm],
4021                 samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM,[
4022     AC_TRY_LINK([#include <krb5.h>],
4023       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_principal_get_realm(ctx, princ);],
4024       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=yes,
4025       samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM=no)])
4026
4027   if test x"$samba_cv_HAVE_KRB5_PRINCIPAL_GET_REALM" = x"yes"; then
4028     AC_DEFINE(HAVE_KRB5_PRINCIPAL_GET_REALM,1,
4029                [Whether the function krb5_principal_get_realm is defined])
4030   fi
4031
4032   AC_CACHE_CHECK([for krb5_princ_realm],
4033                 samba_cv_HAVE_KRB5_PRINC_REALM,[
4034     AC_TRY_LINK([#include <krb5.h>],
4035       [krb5_context ctx = NULL; krb5_principal princ = NULL; const char *str = krb5_princ_realm(ctx, princ)->data;],
4036       samba_cv_HAVE_KRB5_PRINC_REALM=yes,
4037       samba_cv_HAVE_KRB5_PRINC_REALM=no)])
4038
4039   if test x"$samba_cv_HAVE_KRB5_PRINC_REALM" = x"yes"; then
4040     AC_DEFINE(HAVE_KRB5_PRINC_REALM,1,
4041                [Whether the macro krb5_princ_realm is defined])
4042   fi
4043
4044   AC_HAVE_DECL(KRB5_PDU_NONE,[#include <krb5.h>])
4045
4046   AC_CACHE_CHECK([for flags in krb5_creds],
4047                 samba_cv_HAVE_FLAGS_IN_KRB5_CREDS,[
4048     AC_TRY_COMPILE([#include <krb5.h>],
4049       [krb5_creds creds; creds.flags.b.initial = 0;],
4050       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=yes,
4051       samba_cv_HAVE_FLAGS_IN_KRB5_CREDS=no)])
4052
4053   if test x"$samba_cv_HAVE_FLAGS_IN_KRB5_CREDS" = x"yes"; then
4054     AC_DEFINE(HAVE_FLAGS_IN_KRB5_CREDS,1,
4055                [Whether the krb5_creds struct has a flags property])
4056   fi
4057   #
4058   #
4059   # Now the decisions whether we can support krb5
4060   #
4061   # NOTE: all tests should be done before this block!
4062   #
4063   #
4064   if test x"$found_arcfour_hmac" != x"yes"; then
4065     AC_MSG_WARN(arcfour-hmac-md5 encryption type not found in -lkrb5)
4066     use_ads=no
4067   fi
4068
4069   if test x"$ac_cv_func_ext_krb5_set_real_time" != x"yes"; then
4070     AC_MSG_WARN(krb5_set_real_time encryption type not found in -lkrb5)
4071     use_ads=no
4072   fi
4073
4074   if test x"$ac_cv_lib_ext_krb5_krb5_mk_req_extended" != x"yes"; then
4075     AC_MSG_WARN(krb5_mk_req_extended not found in -lkrb5)
4076     use_ads=no
4077   fi
4078
4079   if test x"$ac_cv_func_ext_krb5_get_host_realm" != x"yes"
4080   then
4081     AC_MSG_WARN(krb5_get_host_realm not found in -lkrb5)
4082     use_ads=no
4083   fi
4084
4085   if test x"$ac_cv_func_ext_krb5_free_host_realm" != x"yes"
4086   then
4087     AC_MSG_WARN(krb5_free_host_realm not found in -lkrb5)
4088     use_ads=no
4089   fi
4090
4091   if test x"$ac_cv_func_ext_krb5_fwd_tgt_creds" != x"yes"
4092   then
4093     AC_MSG_WARN(krb5_fwd_tgt_creds not found in -lkrb5)
4094     use_ads=no
4095   fi
4096
4097   if test x"$ac_cv_func_ext_krb5_get_init_creds_opt_alloc" != x"yes"
4098   then
4099     AC_MSG_WARN(krb5_get_init_creds_opt_alloc found in -lkrb5)
4100     use_ads=no
4101   fi
4102
4103   if test x"$smb_krb5_cv_creds_opt_free_context" != x"yes"
4104   then
4105     AC_MSG_WARN(krb5_get_init_creds_opt_free not found or was too old in -lkrb5)
4106     use_ads=no
4107   fi
4108
4109   if test x"$ac_cv_func_ext_krb5_get_renewed_creds" != x"yes"
4110   then
4111     AC_MSG_WARN(krb5_get_renewed_creds not found in -lkrb5)
4112     use_ads=no
4113   fi
4114
4115   if test x"$ac_cv_func_ext_krb5_principal_compare_any_realm" != x"yes"
4116   then
4117     AC_MSG_WARN(krb5_principal_compare_any_realm not found in -lkrb5)
4118     use_ads=no
4119   fi
4120
4121   if test x"$ac_cv_func_ext_krb5_principal2salt" != x"yes" -o \
4122           x"$ac_cv_func_ext_krb5_c_string_to_key" != x"yes"
4123   then
4124         if test x"$ac_cv_func_ext_krb5_get_pw_salt" != x"yes" -o \
4125              x"$ac_cv_func_ext_krb5_string_to_key_salt" != x"yes"
4126         then
4127               AC_MSG_WARN(no CREATE_KEY_FUNCTIONS detected)
4128               use_ads=no
4129         fi
4130   fi
4131
4132   if test x"$ac_cv_func_ext_krb5_get_permitted_enctypes" != x"yes" -a \
4133           x"$ac_cv_func_ext_krb5_get_default_in_tkt_etypes" != x"yes"
4134   then
4135     AC_MSG_WARN(no GET_ENCTYPES_FUNCTIONS detected)
4136     use_ads=no
4137   fi
4138
4139   if test x"$ac_cv_func_ext_krb5_kt_free_entry" != x"yes" -a \
4140           x"$ac_cv_func_ext_krb5_free_keytab_entry_contents" != x"yes"
4141   then
4142     AC_MSG_WARN(no KT_FREE_FUNCTION detected)
4143     use_ads=no
4144   fi
4145
4146   if test x"$ac_cv_func_ext_krb5_c_verify_checksum" != x"yes"
4147   then
4148     AC_MSG_WARN(krb5_c_verify_checksum not found in -lkrb5)
4149     use_ads=no
4150   fi
4151
4152   if test x"$ac_cv_func_ext_gss_wrap_iov" != x"yes" ; then
4153     AC_MSG_WARN(gss_wrap_iov not found in -lgssapi)
4154     use_ads=no
4155   fi
4156
4157   if test x"$ac_cv_func_ext_gss_get_name_attribute" != x"yes" ; then
4158     if test x"$ac_cv_func_ext_gsskrb5_extract_authz_data_from_sec_context" != x"yes" -o \
4159             x"$ac_cv_func_ext_gss_inquire_sec_context_by_oid" != x"yes"
4160     then
4161       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)
4162       use_ads=no
4163     fi
4164   fi
4165
4166   if test x"$use_ads" = x"yes"; then
4167     AC_DEFINE(WITH_ADS,1,[Whether to include Active Directory support])
4168     AC_DEFINE(HAVE_KRB5,1,[Whether to have KRB5 support])
4169   else
4170     if test x"$with_ads_support" = x"yes"; then
4171         AC_MSG_ERROR(krb5 libs don't have all features required for Active Directory support)
4172     else
4173         AC_MSG_WARN(krb5 libs don't have all features required for Active Directory support)
4174     fi
4175     AC_REMOVE_DEFINE(HAVE_KRB5_H)
4176     AC_REMOVE_DEFINE(HAVE_GSSAPI_H)
4177     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_GENERIC_H)
4178     AC_REMOVE_DEFINE(HAVE_GSSAPI_GSSAPI_H)
4179     AC_REMOVE_DEFINE(HAVE_GSSAPI)
4180     KRB5_LIBS=""
4181     with_ads_support=no
4182   fi
4183   AC_MSG_CHECKING(whether Active Directory and krb5 support is used)
4184   AC_MSG_RESULT([$use_ads])
4185
4186 LIBS="$ac_save_LIBS"
4187 fi
4188
4189 AC_CHECK_LIB_EXT(nscd, NSCD_LIBS, nscd_flush_cache)
4190 PASSDB_LIBS="$PASSDB_LIBS&nb