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