s3:configure: "test" only takes one "="
[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/config.h)
10 AC_DEFINE(CONFIG_H_IS_FROM_SAMBA,1,[Marker for samba's config.h])
11
12 case "$PATH" in
13     */usr/ucb*)
14         AC_MSG_WARN([\$PATH contains /usr/ucb - build errors may follow])
15         ;;
16 esac 
17
18 builddir=`pwd`
19 AC_SUBST(builddir)
20
21 m4_include(m4/samba_version.m4)
22 m4_include(m4/check_path.m4)
23 m4_include(pkg.m4)
24
25 AC_LIBREPLACE_CC_CHECKS
26
27 AC_ARG_ENABLE(external_libtalloc, [AS_HELP_STRING([--enable-external-libtalloc], [Enable external talloc [default=auto]])], 
28 [ enable_external_libtalloc=$enableval ], [ enable_external_libtalloc=auto ])
29
30 if test "x$enable_external_libtalloc" != xno
31 then
32         PKG_CHECK_MODULES(TALLOC, talloc >= 1.3.0, 
33                 [ enable_external_libtalloc=yes ],
34                 [ if test x$enable_external_libtalloc = xyes; then
35                         AC_MSG_ERROR([Unable to find libtalloc])
36               else 
37                         enable_external_libtalloc=no
38                   fi
39                 ])
40 fi
41
42 if test "x$enable_external_libtalloc" = xno
43 then
44         m4_include(../lib/talloc/libtalloc.m4)
45 fi
46
47 LIBTALLOC_OBJ0=""
48 for obj in ${TALLOC_OBJ}; do
49         LIBTALLOC_OBJ0="${LIBTALLOC_OBJ0} ${tallocdir}/${obj}"
50 done
51 AC_SUBST(LIBTALLOC_OBJ0)
52
53 m4_include(../lib/tevent/libtevent.m4)
54
55 LIBTEVENT_OBJ0=""
56 for obj in ${TEVENT_OBJ}; do
57         LIBTEVENT_OBJ0="${LIBTEVENT_OBJ0} ${teventdir}/${obj}"
58 done
59 AC_SUBST(LIBTEVENT_OBJ0)
60 LIBS="${LIBS} ${TEVENT_LIBS}"
61
62 # TODO: These should come from m4_include(lib/tdb/libtdb.m4)
63 # but currently this fails: things have to get merged from s4.
64 tdbdir="../lib/tdb"
65 AC_SUBST(tdbdir)
66 TDB_CFLAGS="-I${srcdir-.}/$tdbdir/include"
67 AC_SUBST(TDB_CFLAGS)
68
69 LIBTDB_OBJ0=""
70 for o in common/tdb.o common/dump.o common/transaction.o common/error.o \
71              common/traverse.o common/freelist.o common/freelistcheck.o \
72                  common/io.o common/lock.o common/open.o; 
73 do 
74         LIBTDB_OBJ0="$LIBTDB_OBJ0 $tdbdir/$o"
75 done
76
77 AC_SUBST(LIBTDB_OBJ0)
78 SAMBA_CPPFLAGS="-Iinclude -I${srcdir-.}/include  -I. -I${srcdir-.}"
79 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/replace"
80 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
81 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TEVENT_CFLAGS}"
82 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
83 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/libaddns"
84 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/librpc"
85 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/.."
86
87 SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/popt"
88
89 ## cleanup the $(srcdir) in the Makefile if we are outside of the tree
90 if test "x${srcdir-.}" != "x."; then
91         SAMBA_CPPFLAGS=`echo ${SAMBA_CPPFLAGS} | sed -e "s;${srcdir};\$\(srcdir\);g"`
92 fi
93
94 dnl Unique-to-Samba variables we'll be playing with.
95 AC_SUBST(SAMBA_CPPFLAGS)
96 AC_SUBST(SHELL)
97 AC_SUBST(LDSHFLAGS)
98 AC_SUBST(SONAMEFLAG)
99 AC_SUBST(SHLD)
100 AC_SUBST(MODULE_EXPORTS)
101 AC_SUBST(DSO_EXPORTS)
102 AC_SUBST(HOST_OS)
103 AC_SUBST(PICFLAG)
104 AC_SUBST(PIE_CFLAGS)
105 AC_SUBST(PIE_LDFLAGS)
106 AC_SUBST(RELRO_LDFLAGS)
107 AC_SUBST(SHLIBEXT)
108 AC_SUBST(INSTALLLIBCMD_SH)
109 AC_SUBST(INSTALLLIBCMD_A)
110 AC_SUBST(UNINSTALLLIBCMD_SH)
111 AC_SUBST(UNINSTALLLIBCMD_A)
112
113 AC_SUBST(INSTALL_LIBWBCLIENT)
114 AC_SUBST(UNINSTALL_LIBWBCLIENT)
115 AC_SUBST(LIBWBCLIENT_SHARED_TARGET)
116 AC_SUBST(LIBWBCLIENT_SHARED)
117 AC_SUBST(LIBWBCLIENT_STATIC_TARGET)
118 AC_SUBST(LIBWBCLIENT_STATIC)
119 AC_SUBST(LIBWBCLIENT_TARGET)
120 AC_SUBST(LIBWBCLIENT_SOVER)
121 AC_SUBST(LIBWBCLIENT)
122 AC_SUBST(LIBWBCLIENT_LIBS)
123
124 AC_SUBST(LIBSAMBAUTIL_SHARED)
125
126 AC_SUBST(PRINT_LIBS)
127 AC_SUBST(AUTH_LIBS)
128 AC_SUBST(ACL_LIBS)
129 AC_SUBST(PASSDB_LIBS)
130 AC_SUBST(IDMAP_LIBS)
131 AC_SUBST(KRB5_LIBS)
132 AC_SUBST(UUID_LIBS)
133 AC_SUBST(LDAP_LIBS)
134 AC_SUBST(GPEXT_LIBS)
135 AC_SUBST(PAM_MODULES)
136 AC_SUBST(INSTALL_PAM_MODULES)
137 AC_SUBST(UNINSTALL_PAM_MODULES)
138 AC_SUBST(NSS_MODULES)
139 AC_SUBST(EXTRA_BIN_PROGS)
140 AC_SUBST(CIFSMOUNT_PROGS)
141 AC_SUBST(INSTALL_CIFSMOUNT)
142 AC_SUBST(UNINSTALL_CIFSMOUNT)
143 AC_SUBST(CIFSUPCALL_PROGS)
144 AC_SUBST(INSTALL_CIFSUPCALL)
145 AC_SUBST(UNINSTALL_CIFSUPCALL)
146 AC_SUBST(EXTRA_SBIN_PROGS)
147 AC_SUBST(EXTRA_ALL_TARGETS)
148 AC_SUBST(CONFIG_LIBS)
149 AC_SUBST(NSCD_LIBS)
150
151 # compile with optimization and without debugging by default, but
152 # allow people to set their own preference.
153 # do this here since AC_CACHE_CHECK apparently sets the CFLAGS to "-g -O2"
154 # if it has no value.  This prevent *very* large debug binaries from occurring
155 # by default.
156 if test "x$debug" = "xyes" ; then
157         CFLAGS="${CFLAGS} -g"
158 fi
159 if test "x$CFLAGS" = x; then
160   CFLAGS="-O"
161 fi
162
163 m4_include(../lib/socket_wrapper/config.m4)
164 m4_include(../lib/nss_wrapper/config.m4)
165
166 m4_include(m4/swat.m4)
167
168 # Probe the gcc version for extra CFLAGS. We always stash these in
169 # DEVELOPER_CFLAGS, so that you can turn them on and off with a simple
170 # Makefile edit, avoiding the need to re-run configure.
171 if test x"$ac_cv_prog_gcc" = x"yes" ; then
172         DEVELOPER_CFLAGS="-g -Wall -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -DDEBUG_PASSWORD -DDEVELOPER"
173         # Add -Wdeclaration-after-statement if compiler supports it
174         AC_CACHE_CHECK(
175           [that the C compiler understands -Wdeclaration-after-statement],
176           samba_cv_HAVE_Wdeclaration_after_statement, [
177           AC_TRY_RUN_STRICT([
178             int main(void)
179             {
180                 return 0;
181             }],[-Wdeclaration-after-statement],[$CPPFLAGS],[$LDFLAGS],
182             samba_cv_HAVE_Wdeclaration_after_statement=yes,
183             samba_cv_HAVE_Wdeclaration_after_statement=no,
184             samba_cv_HAVE_Wdeclaration_after_statement=cross)
185        ])
186
187         if test x"$samba_cv_HAVE_Wdeclaration_after_statement" = x"yes"; then
188             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Wdeclaration-after-statement"
189         fi
190
191         #-Werror-implicit-function-declaration
192         AC_CACHE_CHECK(
193           [that the C compiler understands -Werror-implicit-function-declaration],
194           samba_cv_HAVE_Werror_implicit_function_declaration, [
195           AC_TRY_RUN_STRICT([
196             int main(void)
197             {
198                 return 0;
199             }],[-Werror-implicit-function-declaration],[$CPPFLAGS],[$LDFLAGS],
200             samba_cv_HAVE_Werror_implicit_function_declaration=yes,
201             samba_cv_HAVE_Werror_implicit_function_declaration=no,
202             samba_cv_HAVE_Werror_implicit_function_declaration=cross)
203        ])
204        if test x"$samba_cv_HAVE_Werror_implicit_function_declaration" = x"yes"; then
205             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Werror-implicit-function-declaration"
206        fi
207
208         # krb5developer is like developer, except we don't get
209         # -Wstrict-prototypes.
210        if test x"$krb5_developer" != x"$yes" ; then
211             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Wstrict-prototypes"
212        fi
213
214        if test x"$picky_developer" = x"yes"; then
215             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Werror"
216        fi
217 fi
218
219 AC_ARG_ENABLE(dmalloc, [AS_HELP_STRING([--enable-dmalloc], [Enable heap debugging [default=no]])])
220
221 if test "x$enable_dmalloc" = xyes
222 then
223         AC_DEFINE(ENABLE_DMALLOC, 1, [Define to turn on dmalloc debugging])
224         AC_DEFINE(DMALLOC_FUNC_CHECK, 1,
225                   [Define to check invariants around some common functions])
226         LIBS="$LIBS -ldmalloc"  
227 fi
228
229 #################################################
230 # check for a shared memory profiling support
231 AC_MSG_CHECKING(whether to use profiling)
232 AC_ARG_WITH(profiling-data,
233 [AS_HELP_STRING([--with-profiling-data], [Include gathering source code profile information (default=no)])],
234 [ case "$withval" in
235   yes)
236     AC_MSG_RESULT(yes)
237     AC_DEFINE(WITH_PROFILE,1,[Whether to use profiling])
238     samba_cv_WITH_PROFILE=yes
239     ;;
240   *)
241     AC_MSG_RESULT(no)
242     samba_cv_WITH_PROFILE=no
243     ;;
244   esac ],
245   AC_MSG_RESULT(no)
246 )
247
248 dnl Checks for programs.
249 merged_build_possible=yes
250
251 AC_PROG_INSTALL
252 AC_PROG_AWK
253 # Check for GNU make
254 m4_include(../m4/check_make.m4)
255 AC_SAMBA_GNU_MAKE([true], [merged_build_possible=no])
256
257 # Check for perl
258 m4_include(../m4/check_perl.m4)
259 AC_SAMBA_PERL([true], [merged_build_possible=no])
260
261 AC_CHECK_TOOL(AR, ar)
262
263 dnl Check if we use GNU ld
264 LD=ld
265 AC_PROG_LD_GNU
266
267 dnl Certain versions of GNU ld the default is not to have the
268 dnl --allow-shlib-undefined flag defined.  This causes a stackload of
269 dnl warnings when building modules.
270 if test "$ac_cv_prog_gnu_ld" = "yes"; then
271         ac_cv_gnu_ld_version=`$LD -v 2>/dev/null | head -1`
272         AC_MSG_CHECKING(GNU ld release date)
273         changequote(,)dnl
274         ac_cv_gnu_ld_date=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
275         changequote([,])dnl
276         AC_MSG_RESULT(${ac_cv_gnu_ld_date})
277         if test -n "$ac_cv_gnu_ld_date"; then
278         if test "$ac_cv_gnu_ld_date" -lt 20030217; then
279                 ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
280         fi
281         if test "$ac_cv_gnu_ld_date" -gt 20030101; then
282                 ac_cv_gnu_ld_version_script=yes
283         fi
284         else
285            AC_MSG_CHECKING(GNU ld release version)
286            changequote(,)dnl
287            ac_cv_gnu_ld_vernr=`echo $ac_cv_gnu_ld_version | sed -n 's,^[^0-9]*\([1-9][0-9]*\.[0-9][0-9]*\).*$,\1,p'`
288            ac_cv_gnu_ld_vernr_major=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 1`
289            ac_cv_gnu_ld_vernr_minor=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 2`
290            changequote([,])dnl
291            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr})
292            AC_MSG_CHECKING(GNU ld release version major)
293            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_major})
294            AC_MSG_CHECKING(GNU ld release version minor)
295            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_minor})
296            if test "$ac_cv_gnu_ld_vernr_major" -lt 2 || test "$ac_cv_gnu_ld_vernr_minor" -lt 14; then
297              ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
298            fi
299            if test "$ac_cv_gnu_ld_vernr_major" -gt 2 || test "$ac_cv_gnu_ld_vernr_major" = 2 && test "$ac_cv_gnu_ld_vernr_minor" -ge 12; then
300              ac_cv_gnu_ld_version_script=yes
301            fi
302         fi
303 fi
304
305 dnl look for executable suffix
306 AC_EXEEXT
307
308 dnl Check if C compiler understands -c and -o at the same time
309 AC_PROG_CC_C_O
310 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
311       BROKEN_CC=
312 else
313       BROKEN_CC=#
314 fi
315 AC_SUBST(BROKEN_CC)
316
317 dnl Check if the C compiler understands -Werror
318 AC_CACHE_CHECK([that the C compiler understands -Werror],samba_cv_HAVE_Werror, [
319  AC_TRY_RUN_STRICT([
320   int main(void)
321   {
322         return 0;
323   }],[-Werror],[$CPPFLAGS],[$LDFLAGS],
324   samba_cv_HAVE_Werror=yes,samba_cv_HAVE_Werror=no,samba_cv_HAVE_Werror=cross)])
325 if test x"$samba_cv_HAVE_Werror" = x"yes"; then
326    Werror_FLAGS="-Werror"
327 else
328 dnl Check if the C compiler understands -w2
329 AC_CACHE_CHECK([that the C compiler understands -w2],samba_cv_HAVE_w2, [
330  AC_TRY_RUN_STRICT([
331   int main(void)
332   {
333         return 0;
334   }],[-w2],[$CPPFLAGS],[$LDFLAGS],
335   samba_cv_HAVE_w2=yes,samba_cv_HAVE_w2=no,samba_cv_HAVE_w2=cross)])
336 if test x"$samba_cv_HAVE_w2" = x"yes"; then
337    Werror_FLAGS="-w2"
338 else
339 dnl Check if the C compiler understands -errwarn
340 AC_CACHE_CHECK([that the C compiler understands -errwarn],samba_cv_HAVE_errwarn, [
341   AC_TRY_RUN_STRICT([
342    int main(void)
343    {
344         return 0;
345    }],[-errwarn=%all],[$CPPFLAGS],[$LDFLAGS],
346    samba_cv_HAVE_errwarn=yes,samba_cv_HAVE_errwarn=no,samba_cv_HAVE_errwarn=cross)])
347 if test x"$samba_cv_HAVE_errwarn" = x"yes"; then
348    Werror_FLAGS="-errwarn=%all"
349 fi
350 fi
351 fi
352
353 ############################################
354 # check if the compiler can handle negative enum values
355 # and don't truncate the values to INT_MAX
356 # a runtime test is needed here
357 AC_SUBST(PIDL_ARGS)
358 AC_CACHE_CHECK([that the C compiler understands negative enum values],samba_cv_CC_NEGATIVE_ENUM_VALUES, [
359     AC_TRY_RUN(
360 [
361         #include <stdio.h>
362         enum negative_values { NEGATIVE_VALUE = 0xFFFFFFFF };
363         int main(void) {
364                 enum negative_values v1 = NEGATIVE_VALUE;
365                 unsigned v2 = NEGATIVE_VALUE;
366
367                 if (v1 != 0xFFFFFFFF) {
368                         printf("%u != 0xFFFFFFFF\n", v1);
369                         return 1;
370                 }
371                 if (v2 != 0xFFFFFFFF) {
372                         printf("%u != 0xFFFFFFFF\n", v2);
373                         return 1;
374                 }
375
376                 return 0;
377         }
378 ],
379         samba_cv_CC_NEGATIVE_ENUM_VALUES=yes,samba_cv__CC_NEGATIVE_ENUM_VALUES=no)])
380 if test x"$samba_cv_CC_NEGATIVE_ENUM_VALUES" != x"yes"; then
381         AC_MSG_WARN([using --uint-enums for pidl])
382         PIDL_ARGS="$PIDL_ARGS --uint-enums"
383 fi
384
385 dnl Figure out the flags to support named structure initializers
386
387 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_ERROR([c99 structure initializer are not supported])])
388
389 UNAME_S=`(uname -s) 2>/dev/null` || UNAME_S="unknown"
390 AC_MSG_CHECKING(uname -s)
391 AC_MSG_RESULT(${UNAME_S})
392
393 UNAME_R=`(uname -r) 2>/dev/null` || UNAME_R="unknown"
394 AC_MSG_CHECKING(uname -r)
395 AC_MSG_RESULT(${UNAME_R})
396
397 UNAME_M=`(uname -m) 2>/dev/null` || UNAME_M="unknown"
398 AC_MSG_CHECKING(uname -m)
399 AC_MSG_RESULT(${UNAME_M})
400
401 UNAME_P=`(uname -p) 2>/dev/null` || UNAME_P="unknown"
402 AC_MSG_CHECKING(uname -p)
403 AC_MSG_RESULT(${UNAME_P})
404
405 UNAME_I=`(uname -i) 2>/dev/null` || UNAME_I="unknown"
406 AC_MSG_CHECKING(uname -i)
407 AC_MSG_RESULT(${UNAME_I})
408
409 dnl Add #include for broken IRIX header files
410   case "$host_os" in
411         *irix6*)
412                 #TODO add to libreplace
413                 if test x"$ac_cv_prog_gcc" != x"yes" ; then
414                         dnl Fix sensible defaults for MIPSPro compilers. The
415                         dnl error numbers are valid for the 7.3 compilers,
416                         dnl hopefully also valid for the 7.4 series.
417                         dnl
418                         dnl Bugzilla 3801. Force an error on warning 1035
419                         dnl so we don't incorrectly detect stdint.h. This
420                         dnl warning is emitted for #error directives.
421                         CFLAGS="$CFLAGS -diag_error 1035"
422                         dnl 1209: Controlling expression is constant
423                         dnl 1174: Function foo declared but never referenced
424                         dnl 3201: Parameter foo was never referenced
425                         CFLAGS="$CFLAGS -woff 1209,1174,3201"
426                 fi
427         ;;
428 esac
429
430 DYNEXP=
431 AC_SUBST(DYNEXP)
432
433 dnl Add modules that have to be built by default here
434 dnl These have to be built static:
435 default_static_modules="pdb_smbpasswd pdb_tdbsam pdb_wbc_sam rpc_lsarpc rpc_samr rpc_winreg rpc_initshutdown rpc_dssetup rpc_wkssvc rpc_svcctl rpc_ntsvcs rpc_netlogon rpc_netdfs rpc_srvsvc rpc_spoolss rpc_eventlog auth_sam auth_unix auth_winbind auth_wbc auth_server auth_domain auth_builtin auth_netlogond vfs_default nss_info_template"
436
437 dnl These are preferably build shared, and static if dlopen() is not available
438 default_shared_modules="vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 charset_CP850 charset_CP437 auth_script vfs_readahead vfs_xattr_tdb vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb vfs_smb_traffic_analyzer vfs_preopen"
439
440 if test "x$developer" = xyes; then
441    default_static_modules="$default_static_modules rpc_rpcecho"
442    default_shared_modules="$default_shared_modules charset_weird perfcount_test"
443 fi
444
445 #
446 # Config CPPFLAG settings for strange OS's that must be set
447 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
448 # case statement; its first reference must be unconditional.
449 #
450 case "$host_os" in
451     *hpux*)
452 #
453 # Defines needed for HPUX support.
454 # HPUX has bigcrypt but (sometimes?) doesn't use it for
455 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
456 #
457       case `uname -r` in
458                 *9*|*10*|*11)
459                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
460                 ;;
461       esac
462       ;;
463
464 #
465 # CRAY Unicos has broken const handling
466        *unicos*)
467           AC_MSG_RESULT([disabling const])
468           CPPFLAGS="$CPPFLAGS -Dconst="
469           ;;
470         
471 #
472 # AIX4.x doesn't even admit to having large
473 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
474 #
475     *aix4*)
476           AC_MSG_RESULT([enabling large file support])
477       CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
478           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
479       ;;
480 #
481 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
482 # to the existance of large files..
483 # Note that -D_LARGEFILE64_SOURCE is different from the Sun
484 # recommendations on large file support, however it makes the
485 # compile work using gcc 2.7 and 2.8, whereas using the Sun
486 # recommendation makes the compile fail on gcc2.7. JRA.
487 #
488 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
489 #
490         *solaris*)
491                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
492                 case `uname -r` in
493                         5.0|5.0.*|5.1|5.1.*|5.2|5.2.*|5.3|5.3.*|5.5|5.5.*)
494                                 AC_MSG_RESULT([no large file support])
495                                 ;;
496                         5.*)
497                         AC_MSG_RESULT([enabling large file support])
498                         if test "$ac_cv_prog_gcc" = yes; then
499                                 ${CC-cc} -v >conftest.c 2>&1
500                                 ac_cv_gcc_compiler_version_number=`grep 'gcc version' conftest.c`
501                                 rm -fr conftest.c
502                                 case "$ac_cv_gcc_compiler_version_number" in
503                                         *"gcc version 2.6"*|*"gcc version 2.7"*)
504                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE -D_REENTRANT"
505                                                 LDFLAGS="$LDFLAGS -lthread"
506                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
507                                                 ;;
508                                         *)
509                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_REENTRANT -D_FILE_OFFSET_BITS=64"
510                                                 LDFLAGS="$LDFLAGS -lthread"
511                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
512                                                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
513                                                 ;;
514                                 esac
515                         else
516                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_REENTRANT -D_FILE_OFFSET_BITS=64"
517                                 LDFLAGS="$LDFLAGS -lthread"
518                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
519                                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
520                         fi
521                         ;;
522                 esac
523                 ;;
524 #
525 # IRIX uses SYSV printing.  Make sure to set that here
526 #
527         *irix*)
528                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
529                 ;;
530         *freebsd*|*dragonfly*)
531                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
532                 ;;
533 #
534 # VOS may need to have POSIX support and System V compatibility enabled.
535 #
536     *vos*)
537     case "$CPPFLAGS" in
538           *-D_POSIX_C_SOURCE*)
539                 ;;
540           *)
541                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
542                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
543                 ;;
544     esac
545     case "$CPPFLAGS" in
546           *-D_SYSV*|*-D_SVID_SOURCE*)
547                 ;;
548           *)
549                 CPPFLAGS="$CPPFLAGS -D_SYSV"
550                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
551     esac
552     ;;
553 #
554 # Tests needed for SINIX large file support.
555 #
556     *sysv4*)
557       if test $host = mips-sni-sysv4 ; then
558         AC_MSG_CHECKING([for LFS support])
559         old_CPPFLAGS="$CPPFLAGS"
560         CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
561         AC_TRY_RUN([
562 #include <unistd.h>
563 main () {
564 #if _LFS64_LARGEFILE == 1
565 exit(0);
566 #else
567 exit(1);
568 #endif
569 }], [SINIX_LFS_SUPPORT=yes], [SINIX_LFS_SUPPORT=no], [SINIX_LFS_SUPPORT=cross])
570         CPPFLAGS="$old_CPPFLAGS"
571         if test x$SINIX_LFS_SUPPORT = xyes ; then
572           CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
573                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
574           CFLAGS="`getconf LFS64_CFLAGS` $CFLAGS"
575           LDFLAGS="`getconf LFS64_LDFLAGS` $LDFLAGS"
576           LIBS="`getconf LFS64_LIBS` $LIBS"
577         fi
578       AC_MSG_RESULT([$SINIX_LFS_SUPPORT])
579       fi
580     ;;
581
582 # Tests for linux LFS support. Need kernel 2.4 and glibc2.2 or greater support.
583 #
584     *linux*)
585         AC_MSG_CHECKING([for LFS support])
586         old_CPPFLAGS="$CPPFLAGS"
587         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
588        AC_TRY_RUN([
589 #include <unistd.h>
590 #include <sys/utsname.h>
591 #include <string.h>
592 #include <stdlib.h>
593 main() {
594 #if _LFS64_LARGEFILE == 1
595        struct utsname uts;
596        char *release;
597        int major, minor;
598
599        /* Ensure this is glibc 2.2 or higher */
600 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
601        int libc_major = __GLIBC__;
602        int libc_minor = __GLIBC_MINOR__;
603
604        if (libc_major < 2)
605               exit(1);
606        if (libc_minor < 2)
607               exit(1);
608 #endif
609
610        /* Ensure this is kernel 2.4 or higher */
611
612        uname(&uts);
613        release = strdup(uts.release);
614        major = atoi(strsep(&release, "."));
615        minor = atoi(strsep(&release, "."));
616
617        if (major > 2 || (major == 2 && minor > 3))
618                exit(0);
619        exit(1);
620 #else
621        exit(1);
622 #endif
623 }
624 ], [LINUX_LFS_SUPPORT=yes], [LINUX_LFS_SUPPORT=no], [LINUX_LFS_SUPPORT=cross])
625         CPPFLAGS="$old_CPPFLAGS"
626         if test x$LINUX_LFS_SUPPORT = xyes ; then
627                 CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
628                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
629                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
630                 AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
631         fi
632         AC_MSG_RESULT([$LINUX_LFS_SUPPORT])
633         ;;
634
635 #
636 # MacOS X is the *only* system that uses compose character in utf8. This
637 # is so horribly broken....
638 #
639     *darwin*)
640         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
641
642 # Add a system specific charset module.
643         default_shared_modules="$default_shared_modules charset_macosxfs"
644
645         ;;
646     *hurd*)
647         AC_MSG_CHECKING([for LFS support])
648         old_CPPFLAGS="$CPPFLAGS"
649         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
650         AC_TRY_RUN([
651 #include <unistd.h>
652 main () {
653 #if _LFS64_LARGEFILE == 1
654 exit(0);
655 #else
656 exit(1);
657 #endif
658 }], [GLIBC_LFS_SUPPORT=yes], [GLIBC_LFS_SUPPORT=no], [GLIBC_LFS_SUPPORT=cross])
659         CPPFLAGS="$old_CPPFLAGS"
660         if test x$GLIBC_LFS_SUPPORT = xyes ; then
661           CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
662                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
663           AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
664         fi
665       AC_MSG_RESULT([$GLIBC_LFS_SUPPORT])
666     ;;
667
668 esac
669
670 SAVE_CPPFLAGS="${CPPFLAGS}"
671 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
672
673 AC_LIBREPLACE_BROKEN_CHECKS
674 AC_CHECK_FUNCS([syslog],[],[AC_MSG_ERROR([Required function not found])])
675 AC_LIBREPLACE_NETWORK_CHECKS
676
677 CPPFLAGS="${SAVE_CPPFLAGS}"
678
679 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
680
681 LIBREPLACE_OBJS=""
682 for obj in ${LIBREPLACEOBJ}; do
683         LIBREPLACE_OBJS="${LIBREPLACE_OBJS} ${LIBREPLACE_DIR}/${obj}"
684 done
685 AC_SUBST(LIBREPLACE_OBJS)
686
687 # add -ldl to the global LIBS
688 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
689 AUTH_LIBS="${AUTH_LIBS} ${CRYPT_LIBS}"
690
691
692 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
693 AC_CHECK_HEADERS(unistd.h grp.h sys/id.h memory.h alloca.h)
694 AC_CHECK_HEADERS(limits.h float.h pthread.h libintl.h)
695 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
696 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h)
697 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
698 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
699 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
700 AC_CHECK_HEADERS(sys/sysmacros.h)
701 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
702 AC_CHECK_HEADERS(langinfo.h locale.h)
703 AC_CHECK_HEADERS(xfs/libxfs.h)
704 AC_CHECK_HEADERS(netgroup.h)
705
706 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
707 #if HAVE_RPC_RPC_H
708 #include <rpc/rpc.h>
709 #endif
710 ]])
711
712 ## These fail to compile on IRIX so just check for their presence
713 AC_CHECK_HEADERS(sys/mode.h,,,)
714
715 # Look for Darwin headers
716 old_CPPFLAGS="$CPPFLAGS"
717 CPPFLAGS="-Iinclude $CPPFLAGS"
718 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
719 CPPFLAGS="$old_CPPFLAGS"
720
721 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
722 # subdirectory of headers.
723 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
724
725 #
726 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
727 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
728 #
729 case "$host_os" in
730     *hpux*)
731                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
732                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
733                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
734                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
735                 fi
736         ;;
737 esac
738 AC_CHECK_HEADERS(shadow.h)
739 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
740 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
741
742 AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h sys/extattr.h sys/uio.h)
743 AC_CHECK_HEADERS(sys/ea.h sys/proplist.h)
744
745 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
746
747 # For experimental utmp support (lastlog on some BSD-like systems)
748 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
749
750 AC_CHECK_SIZEOF(int,cross)
751 AC_CHECK_SIZEOF(long,cross)
752 AC_CHECK_SIZEOF(long long,cross)
753 AC_CHECK_SIZEOF(short,cross)
754
755 AC_C_CONST
756 AC_C_INLINE
757 AC_C_BIGENDIAN
758 AC_C_CHAR_UNSIGNED
759
760 AC_TYPE_SIGNAL
761 AC_TYPE_UID_T
762 AC_TYPE_MODE_T
763 AC_TYPE_OFF_T
764 AC_TYPE_SIZE_T
765 AC_TYPE_PID_T
766 AC_STRUCT_ST_RDEV
767 AC_DIRENT_D_OFF
768 AC_CHECK_TYPE(ssize_t, int)
769 AC_CHECK_TYPE(wchar_t, unsigned short)
770
771 ############################################
772 # for cups support we need libcups, and a handful of header files
773
774 AC_ARG_ENABLE(cups,
775 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
776
777 if test x$enable_cups != xno; then
778         AC_PATH_PROG(CUPS_CONFIG, cups-config)
779
780         if test "x$CUPS_CONFIG" != x; then
781
782                 ac_save_CFLAGS=$CFLAGS
783                 ac_save_LDFLAGS=$LDFLAGS
784                 ac_save_PRINT_LIBS=$PRINT_LIBS
785                 CFLAGS="$CFLAGS `$CUPS_CONFIG --cflags`"
786                 LDFLAGS="$LDFLAGS `$CUPS_CONFIG --ldflags`"
787                 PRINT_LIBS="$PRINT_LIBS `$CUPS_CONFIG --libs`"
788                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
789                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
790                         x"$ac_cv_header_cups_language_h" = xyes; then
791                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
792                         samba_cv_HAVE_CUPS=yes
793                         AC_CHECK_LIB_EXT(cups, PRINT_LIBS, httpConnectEncrypt)
794                 else
795                         AC_MSG_WARN([cups-config around but cups-devel not installed])
796                         CFLAGS=$ac_save_CFLAGS
797                         LDFLAGS=$ac_save_LDFLAGS
798                         PRINT_LIBS=$ac_save_PRINT_LIBS
799                 fi
800
801         elif test x"$enable_cups" = x"yes"; then
802                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
803         fi
804 fi
805
806 AC_ARG_ENABLE(iprint,
807 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
808
809 if test x$enable_iprint != xno; then
810         if test x"$samba_cv_HAVE_CUPS" = xyes; then
811                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
812         elif test x"$enable_iprint" = x"yes"; then
813                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
814         fi
815 fi
816
817 ############################################
818 # check if the compiler will optimize out function calls
819 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
820     AC_TRY_LINK([
821 #include <stdio.h>],
822 [
823                 if (0) {
824                    this_function_does_not_exist();
825                 } else {
826                   return 1;
827                 }
828
829 ],
830         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
831 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
832    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
833 fi
834
835 #############################################
836 # check for fd passing struct via msg_control
837 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
838     AC_TRY_COMPILE([
839 #include <sys/types.h>
840 #include <stdlib.h>
841 #include <stddef.h>
842 #include <sys/socket.h>
843 #include <sys/un.h>],
844 [
845         struct msghdr msg;
846         union {
847               struct cmsghdr cm;
848               char control[CMSG_SPACE(sizeof(int))];
849         } control_un;
850         msg.msg_control = control_un.control;
851         msg.msg_controllen = sizeof(control_un.control);
852 ],
853         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
854 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
855    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
856              [If we can use msg_control for passing file descriptors])
857 fi
858
859 #############################################
860 # check for fd passing struct via msg_acctrights
861 AC_CACHE_CHECK([for fd passing via msg_acctrights],
862                 samba_cv_msghdr_msg_acctrights, [
863     AC_TRY_COMPILE([
864 #include <sys/types.h>
865 #include <stdlib.h>
866 #include <stddef.h>
867 #include <sys/socket.h>
868 #include <sys/un.h>],
869 [
870         struct msghdr msg;
871         int fd;
872         msg.msg_acctrights = (caddr_t) &fd;
873         msg.msg_acctrightslen = sizeof(fd);
874 ],
875         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
876 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
877    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
878              [If we can use msg_acctrights for passing file descriptors])
879 fi
880
881 AC_CHECK_FUNCS(dirfd)
882 if test x"$ac_cv_func_dirfd" = x"yes"; then
883         default_shared_modules="$default_shared_modules vfs_syncops vfs_dirsort"
884 fi
885
886 AC_CACHE_CHECK([for struct sigevent type],samba_cv_struct_sigevent, [
887     AC_TRY_COMPILE([
888 #include <sys/types.h>
889 #if STDC_HEADERS
890 #include <stdlib.h>
891 #include <stddef.h>
892 #endif
893 #include <signal.h>],[struct sigevent s;],
894         samba_cv_struct_sigevent=yes,samba_cv_struct_sigevent=no)])
895 if test x"$samba_cv_struct_sigevent" = x"yes"; then
896    AC_DEFINE(HAVE_STRUCT_SIGEVENT,1,[Whether we have the struct sigevent])
897    AC_CHECK_MEMBERS([struct sigevent.sigev_value.sival_ptr,struct sigevent.sigev_value.sigval_ptr], , ,
898         [#include <signal.h>])
899 fi
900
901 AC_CACHE_CHECK([for struct timespec type],samba_cv_struct_timespec, [
902     AC_TRY_COMPILE([
903 #include <sys/types.h>
904 #if STDC_HEADERS
905 #include <stdlib.h>
906 #include <stddef.h>
907 #endif
908 #if TIME_WITH_SYS_TIME
909 # include <sys/time.h>
910 # include <time.h>
911 #else
912 # if HAVE_SYS_TIME_H
913 #  include <sys/time.h>
914 # else
915 #  include <time.h>
916 # endif
917 #endif
918 ],[struct timespec ts;],
919         samba_cv_struct_timespec=yes,samba_cv_struct_timespec=no)])
920 if test x"$samba_cv_struct_timespec" = x"yes"; then
921    AC_DEFINE(HAVE_STRUCT_TIMESPEC,1,[Whether we have struct timespec])
922 fi
923
924 # and glibc has setresuid under linux but the function does
925 # nothing until kernel 2.1.44! very dumb.
926 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
927     AC_TRY_RUN([#include <errno.h>
928 main() { setresuid(1,1,1); setresuid(2,2,2); exit(errno==EPERM?0:1);}],
929         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
930 if test x"$samba_cv_have_setresuid" = x"yes"; then
931     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
932 fi
933
934 # Do the same check for setresguid...
935 #
936 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
937     AC_TRY_RUN([#include <unistd.h>
938 #include <errno.h>
939 main() { errno = 0; setresgid(1,1,1); exit(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
940         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
941 if test x"$samba_cv_have_setresgid" = x"yes"; then
942     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
943 fi
944
945 AC_FUNC_MEMCMP
946
947 ###############################################
948 # Readline included by default unless explicitly asked not to
949 test "${with_readline+set}" != "set" && with_readline=yes
950
951 # test for where we get readline() from
952 AC_MSG_CHECKING(whether to use readline)
953 AC_ARG_WITH(readline,
954 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
955 [  case "$with_readline" in
956   yes)
957     AC_MSG_RESULT(yes)
958
959     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
960     AC_CHECK_HEADERS(readline/history.h)
961
962     AC_CHECK_HEADERS(readline.h readline/readline.h,[
963       for termlib in ncurses curses termcap terminfo termlib tinfo; do
964        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
965       done
966       AC_CHECK_LIB(readline, rl_callback_handler_install,
967        [TERMLIBS="-lreadline $TERMLIBS"
968        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
969        break], [TERMLIBS=], $TERMLIBS)])
970     ;;
971   no)
972     AC_MSG_RESULT(no)
973     ;;
974   *)
975     AC_MSG_RESULT(yes)
976
977     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
978     # alternate readline path
979     _ldflags=${LDFLAGS}
980     _cppflags=${CPPFLAGS}
981
982     # Add additional search path
983     LDFLAGS="-L$with_readline/lib $LDFLAGS"
984     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
985
986     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
987     AC_CHECK_HEADERS(readline/history.h)
988
989     AC_CHECK_HEADERS(readline.h readline/readline.h,[
990       for termlib in ncurses curses termcap terminfo termlib; do
991        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
992       done
993       AC_CHECK_LIB(readline, rl_callback_handler_install,
994        [TERMLDFLAGS="-L$with_readline/lib"
995        TERMCPPFLAGS="-I$with_readline/include"
996        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
997        TERMLIBS="-lreadline $TERMLIBS"
998        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
999        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
1000
1001     LDFLAGS=$_ldflags
1002     ;;
1003   esac],
1004   AC_MSG_RESULT(no)
1005 )
1006 AC_SUBST(TERMLIBS)
1007 AC_SUBST(TERMLDFLAGS)
1008
1009 # The readline API changed slightly from readline3 to readline4, so
1010 # code will generate warnings on one of them unless we have a few
1011 # special cases.
1012 AC_CHECK_LIB(readline, rl_completion_matches,
1013              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
1014                         [Do we have rl_completion_matches?])],
1015              [],
1016              [$TERMLIBS])
1017
1018 # not all readline libs have rl_event_hook or history_list
1019 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
1020 AC_CHECK_LIB(readline, history_list,
1021              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
1022              [],
1023              [$TERMLIBS])
1024
1025 ###############################################
1026 # test for where we get yp_get_default_domain() from
1027 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
1028 AC_CHECK_FUNCS(yp_get_default_domain)
1029
1030 # Check if we have execl, if not we need to compile smbrun.
1031 AC_CHECK_FUNCS(execl)
1032 if test x"$ac_cv_func_execl" = x"no"; then
1033     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun\$(EXEEXT)"
1034 fi
1035
1036 AC_CHECK_FUNCS(getcwd fchown chmod fchmod mknod mknod64)
1037 AC_CHECK_FUNCS(strtol)
1038 AC_CHECK_FUNCS(strchr chflags)
1039 AC_CHECK_FUNCS(getrlimit fsync fdatasync setpgid)
1040 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
1041 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
1042 AC_CHECK_FUNCS(initgroups select poll rdchk getgrnam getgrent pathconf)
1043 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups sysconf stat64 fstat64)
1044 AC_CHECK_FUNCS(lstat64 fopen64 atexit grantpt lseek64 ftruncate64)
1045 AC_CHECK_FUNCS(fseek64 fseeko64 ftell64 ftello64 setluid getpwanam)
1046 AC_CHECK_FUNCS(opendir64 readdir64 seekdir64 telldir64 rewinddir64 closedir64)
1047 AC_CHECK_FUNCS(getpwent_r)
1048 AC_CHECK_FUNCS(getdents64)
1049 AC_CHECK_FUNCS(setenv strcasecmp fcvt fcvtl)
1050 AC_CHECK_FUNCS(syslog vsyslog timegm)
1051 AC_CHECK_FUNCS(setlocale nl_langinfo)
1052 AC_CHECK_FUNCS(nanosleep,,[AC_CHECK_LIB_EXT(rt, LIBS, nanosleep)])
1053 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
1054 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
1055 AC_CHECK_HEADERS(sys/mman.h)
1056 # setbuffer, shmget, shm_open are needed for smbtorture
1057 AC_CHECK_FUNCS(shmget shm_open)
1058 AC_CHECK_FUNCS(gettext dgettext)
1059
1060 # Find a method of generating a stack trace
1061 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
1062 # libexecinfo provides backtrace_symbols on FreeBSD
1063 AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
1064 AC_CHECK_FUNCS(backtrace_symbols)
1065 AC_CHECK_LIB(exc, trace_back_stack)
1066
1067 # check for sysctlbyname for BSD systems
1068 AC_CHECK_FUNCS(sysctlbyname)
1069
1070 printf "%s" "checking for GPFS GPL libs... "
1071 save_LIBS="$LIBS"
1072 LIBS="$LIBS -lgpfs_gpl"
1073 AC_TRY_LINK([#include <gpfs_gpl.h>],
1074           [gpfs_set_share(0,GPFS_SHARE_READ,GPFS_DENY_NONE)],
1075           samba_cv_HAVE_GPFS=yes,
1076           samba_cv_HAVE_GPFS=no)
1077 echo $samba_cv_HAVE_GPFS
1078 if test x"$samba_cv_HAVE_GPFS" = x"yes"; then
1079     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL libs are available])
1080     default_shared_modules="$default_shared_modules vfs_gpfs"
1081 fi
1082 LIBS="$save_LIBS"
1083
1084 printf "%s" "checking for GPFS libs (with 3.2.1 PTF8 available as GPL)... "
1085 save_LIBS="$LIBS"
1086 LIBS="$LIBS -lgpfs"
1087 AC_TRY_LINK([#include <gpfs.h>],
1088           [gpfs_set_share(0,GPFS_SHARE_READ,GPFS_DENY_NONE)],
1089           samba_cv_HAVE_GPFS=yes,
1090           samba_cv_HAVE_GPFS=no)
1091 echo $samba_cv_HAVE_GPFS
1092 if test x"$samba_cv_HAVE_GPFS" = x"yes"; then
1093     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL libs are available])
1094     default_shared_modules="$default_shared_modules vfs_gpfs"
1095 fi
1096 LIBS="$save_LIBS"
1097
1098 #############################################
1099 # check if building on Isilon OneFS
1100 printf "%s" "checking for Isilon OneFS... "
1101 save_LIBS="$LIBS"
1102 LIBS="$LIBS -lisi_version"
1103 AC_TRY_LINK([#include <isi_version/isi_version.h>],
1104           [get_isilon_copyright()],
1105           samba_cv_HAVE_ONEFS=yes,
1106           samba_cv_HAVE_ONEFS=no)
1107 echo $samba_cv_HAVE_ONEFS
1108 if test x"$samba_cv_HAVE_ONEFS" = x"yes"; then
1109     AC_DEFINE(HAVE_ONEFS,1,[Whether building on Isilon OneFS])
1110     default_shared_modules="$default_shared_modules vfs_onefs vfs_onefs_shadow_copy perfcount_onefs"
1111     default_static_modules="$default_static_modules"
1112     ONEFS_LIBS="-lisi_acl -lisi_ecs -lisi_event -lisi_util"
1113     # Need to also add general libs for oplocks support
1114     save_LIBS="$save_LIBS -lisi_ecs -lisi_event -lisi_util -ldevstat"
1115 fi
1116 AC_SUBST(ONEFS_LIBS)
1117 LIBS="$save_LIBS"
1118
1119 # Note that all the libunwind symbols in the API are defined to internal
1120 # platform-specific version, so we must include libunwind.h before checking
1121 # any of them.
1122 AC_MSG_CHECKING([for libunwind])
1123 save_LIBS=$LIBS
1124
1125 UNWIND_ARCH="unknown"
1126 if test x"$UNAME_I" != x"unknown"; then
1127         UNWIND_ARCH="$UNAME_I"
1128 elif test x"$UNAME_M" != x"unknown"; then
1129         UNWIND_ARCH="$UNAME_M"
1130 elif test x"$UNAME_P" != x"unknown"; then
1131         UNWIND_ARCH="$UNAME_P"
1132 fi
1133
1134 case "$UNWIND_ARCH" in
1135         unknown)
1136                 # This probably won't link without
1137                 # the platform-specific libunwind.
1138                 LIBS="$LIBS -lunwind"
1139                 ;;
1140         i386|i586|i686)
1141                 # Add the platform-specific libunwind module.
1142                 LIBS="$LIBS -lunwind -lunwind-x86"
1143                 ;;
1144         *)
1145                 # Add the platform-specific libunwind module.
1146                 # based on uname -i, uname -m or uname -p
1147                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1148                 ;;
1149 esac
1150
1151 AC_TRY_LINK(
1152     [
1153 #ifdef HAVE_LIBUNWIND_H
1154 #include <libunwind.h>
1155 #endif
1156     ],
1157     [
1158         unw_context_t ctx; unw_cursor_t cur;
1159         char buf[256]; unw_word_t off;
1160         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1161         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1162     ],
1163     [
1164         AC_MSG_RESULT(yes)
1165         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1166
1167         # If we have libunwind, test whether we also have libunwind-ptrace
1168         # which would let us unwind arbitrary processes.
1169         save_LIBS=$LIBS
1170         AC_CHECK_HEADERS(libunwind-ptrace.h)
1171         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1172             [
1173                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1174                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1175                     [Whether libunwind-ptrace.a is available.])
1176             ],
1177             [ LIBUNWIND_PTRACE="" ])
1178
1179         LIBS=$save_LIBS
1180     ],
1181     [
1182         AC_MSG_RESULT(no)
1183         LIBS=$save_LIBS
1184     ])
1185
1186 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1187 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1188     AC_CHECK_HEADERS(sys/ptrace.h)
1189     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1190     AC_TRY_LINK(
1191             [
1192 #if HAVE_SYS_TYPES_H
1193 #include <sys/types.h>
1194 #endif
1195 #if HAVE_SYS_PTRACE_H
1196 #include <sys/ptrace.h>
1197 #endif
1198             ],
1199             [
1200                 pid_t me = (pid_t)-1;
1201                 ptrace(PTRACE_ATTACH, me, 0, 0);
1202                 ptrace(PTRACE_DETACH, me, 0, 0);
1203                 return 0;
1204             ],
1205             [
1206                 AC_MSG_RESULT(yes)
1207                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1208                     [Whether the Linux ptrace(2) interface is available.])
1209             ],
1210             [
1211                 AC_MSG_RESULT(no)
1212                 LIBUNWIND_PTRACE=""
1213             ])
1214 fi
1215
1216 AC_SUBST(LIBUNWIND_PTRACE)
1217
1218 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1219 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1220 AC_CHECK_FUNCS(__getcwd _getcwd)
1221 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1222 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1223 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1224 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1225 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1226 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1227 AC_CHECK_FUNCS(_stat64 __stat64 _fstat64 __fstat64 _lstat64 __lstat64)
1228 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek readdir64 _readdir64 __readdir64)
1229 AC_CHECK_FUNCS(pread _pread __pread pread64 _pread64 __pread64)
1230 AC_CHECK_FUNCS(pwrite _pwrite __pwrite pwrite64 _pwrite64 __pwrite64)
1231 AC_CHECK_FUNCS(open64 _open64 __open64 creat64)
1232 AC_CHECK_FUNCS(prctl)
1233
1234 AC_TRY_COMPILE([
1235 #ifdef HAVE_SYS_PRCTL_H
1236 #include <sys/prctl.h>
1237 #endif
1238 ],
1239 [int i; i = prtcl(0); ],
1240 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1241
1242 #
1243 #
1244 #
1245 case "$host_os" in
1246     *linux*)
1247        # glibc <= 2.3.2 has a broken getgrouplist
1248        AC_TRY_RUN([
1249 #include <unistd.h>
1250 #include <sys/utsname.h>
1251 main() {
1252        /* glibc up to 2.3 has a broken getgrouplist */
1253 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1254        int libc_major = __GLIBC__;
1255        int libc_minor = __GLIBC_MINOR__;
1256
1257        if (libc_major < 2)
1258               exit(1);
1259        if ((libc_major == 2) && (libc_minor <= 3))
1260               exit(1);
1261 #endif
1262        exit(0);
1263 }
1264 ], [linux_getgrouplist_ok=yes], [linux_getgrouplist_ok=no])
1265        if test x"$linux_getgrouplist_ok" = x"yes"; then
1266           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1267        fi
1268        ;;
1269     *)
1270        AC_CHECK_FUNCS(getgrouplist)
1271        ;;
1272 esac
1273
1274 #
1275 # stat64 family may need <sys/stat.h> on some systems, notably ReliantUNIX
1276 #
1277
1278 if test x$ac_cv_func_stat64 = xno ; then
1279   AC_MSG_CHECKING([for stat64 in <sys/stat.h>])
1280   AC_TRY_LINK([
1281 #if defined(HAVE_UNISTD_H)
1282 #include <unistd.h>
1283 #endif
1284 #include <sys/stat.h>
1285 ], [struct stat64 st64; exit(stat64(".",&st64));], [ac_cv_func_stat64=yes])
1286   AC_MSG_RESULT([$ac_cv_func_stat64])
1287   if test x$ac_cv_func_stat64 = xyes ; then
1288     AC_DEFINE(HAVE_STAT64,1,[Whether stat64() is available])
1289   fi
1290 fi
1291
1292 if test x$ac_cv_func_lstat64 = xno ; then
1293   AC_MSG_CHECKING([for lstat64 in <sys/stat.h>])
1294   AC_TRY_LINK([
1295 #if defined(HAVE_UNISTD_H)
1296 #include <unistd.h>
1297 #endif
1298 #include <sys/stat.h>
1299 ], [struct stat64 st64; exit(lstat64(".",&st64));], [ac_cv_func_lstat64=yes])
1300   AC_MSG_RESULT([$ac_cv_func_lstat64])
1301   if test x$ac_cv_func_lstat64 = xyes ; then
1302     AC_DEFINE(HAVE_LSTAT64,[Whether lstat64() is available])
1303   fi
1304 fi
1305
1306 if test x$ac_cv_func_fstat64 = xno ; then
1307   AC_MSG_CHECKING([for fstat64 in <sys/stat.h>])
1308   AC_TRY_LINK([
1309 #if defined(HAVE_UNISTD_H)
1310 #include <unistd.h>
1311 #endif
1312 #include <sys/stat.h>
1313 ], [struct stat64 st64; exit(fstat64(0,&st64));], [ac_cv_func_fstat64=yes])
1314   AC_MSG_RESULT([$ac_cv_func_fstat64])
1315   if test x$ac_cv_func_fstat64 = xyes ; then
1316     AC_DEFINE(HAVE_FSTAT64,1,[Whether fstat64() is available])
1317   fi
1318 fi
1319
1320 #################################################
1321 # Check whether struct stat has timestamps with sub-second resolution.
1322 #
1323
1324 samba_cv_stat_hires=no
1325 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec], # Linux, Solaris
1326         [samba_cv_stat_hires=yes])
1327 AC_CHECK_MEMBERS([struct stat.st_mtimensec], # BSD, if defined _POSIX_SOURCE
1328         [samba_cv_stat_hires=yes])
1329 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec], # BSD, if not defined _POSIX_SOURCE
1330         [samba_cv_stat_hires=yes])
1331 AC_CHECK_MEMBERS([struct stat.st_mtime_n], # AIX
1332         [samba_cv_stat_hires=yes])
1333 AC_CHECK_MEMBERS([struct stat.st_umtime], # Tru64
1334         [samba_cv_stat_hires=yes])
1335
1336 if test x"$samba_cv_stat_hires" = x"yes" ; then
1337     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1338             [whether struct stat has sub-second timestamps])
1339 fi
1340
1341 # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1342 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
1343 AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
1344
1345
1346 AC_CACHE_CHECK([whether there is DOS flags support in the stat struct], samba_cv_stat_dos_flags,
1347     [
1348         AC_TRY_COMPILE(
1349             [#include <sys/stat.h>],
1350             [
1351                 int a = UF_DOS_ARCHIVE;
1352                 int h = UF_DOS_HIDDEN;
1353                 int r = UF_DOS_RO;
1354                 int s = UF_DOS_SYSTEM;
1355                 int i = UF_DOS_NOINDEX;
1356                 int f = UF_DOS_FLAGS;
1357             ],
1358             samba_cv_stat_dos_flags=yes, samba_cv_stat_dos_flags=no)
1359     ])
1360
1361 if test x"$samba_cv_stat_dos_flags" = x"yes" ; then
1362     AC_DEFINE(HAVE_STAT_DOS_FLAGS, 1, [whether there is DOS flags support in the stat struct])
1363 fi
1364
1365 #####################################
1366 # needed for SRV lookups
1367 AC_CHECK_LIB(resolv, dn_expand)
1368 AC_CHECK_LIB(resolv, _dn_expand)
1369 AC_CHECK_LIB(resolv, __dn_expand)
1370
1371 #
1372 # Check for the functions putprpwnam, set_auth_parameters,
1373 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1374 # Needed for OSF1 and HPUX.
1375 #
1376
1377 AC_LIBTESTFUNC(security, putprpwnam)
1378 AC_LIBTESTFUNC(sec, putprpwnam)
1379
1380 AC_LIBTESTFUNC(security, set_auth_parameters)
1381 AC_LIBTESTFUNC(sec, set_auth_parameters)
1382
1383 # UnixWare 7.x has its getspnam in -lgen
1384 AC_LIBTESTFUNC(gen, getspnam)
1385
1386 AC_LIBTESTFUNC(security, getspnam)
1387 AC_LIBTESTFUNC(sec, getspnam)
1388
1389 AC_LIBTESTFUNC(security, bigcrypt)
1390 AC_LIBTESTFUNC(sec, bigcrypt)
1391
1392 AC_LIBTESTFUNC(security, getprpwnam)
1393 AC_LIBTESTFUNC(sec, getprpwnam)
1394
1395 AC_CHECK_FUNCS(strsignal)
1396
1397 ############################################
1398 # Check if we have libattr
1399 case "$host_os" in
1400   *osf*)
1401         AC_SEARCH_LIBS(getproplist, [proplist])
1402         AC_CHECK_FUNCS(getproplist fgetproplist setproplist fsetproplist)
1403         AC_CHECK_FUNCS(delproplist fdelproplist add_proplist_entry get_proplist_entry)
1404         AC_CHECK_FUNCS(sizeof_proplist_entry)
1405   ;;
1406   *)
1407         AC_SEARCH_LIBS(getxattr, [attr])
1408         AC_CHECK_FUNCS(getxattr lgetxattr fgetxattr listxattr llistxattr)
1409         AC_CHECK_FUNCS(getea fgetea lgetea listea flistea llistea)
1410         AC_CHECK_FUNCS(removeea fremoveea lremoveea setea fsetea lsetea)
1411         AC_CHECK_FUNCS(flistxattr removexattr lremovexattr fremovexattr)
1412         AC_CHECK_FUNCS(setxattr lsetxattr fsetxattr)
1413         AC_CHECK_FUNCS(attr_get attr_list attr_set attr_remove)
1414         AC_CHECK_FUNCS(attr_getf attr_listf attr_setf attr_removef)
1415   ;;
1416 esac
1417
1418 ########################################################
1419 # Check if attropen() is present if this is Solaris
1420 case "$host_os" in
1421   *solaris*)
1422         AC_CHECK_FUNCS(attropen)
1423   ;;
1424 esac
1425
1426 ########################################################
1427 # Do xattr functions take additional options like on Darwin?
1428 if test x"$ac_cv_func_getxattr" = x"yes" ; then
1429         AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt, [
1430                 old_LIBS=$LIBS
1431                 LIBS="$LIBS $ACL_LIBS"
1432                 AC_TRY_COMPILE([
1433                         #include <sys/types.h>
1434                         #if HAVE_ATTR_XATTR_H
1435                         #include <attr/xattr.h>
1436                         #elif HAVE_SYS_XATTR_H
1437                         #include <sys/xattr.h>
1438                         #endif
1439                 ],[
1440                         getxattr(0, 0, 0, 0, 0, 0);
1441                 ],
1442                 [smb_attr_cv_xattr_add_opt=yes],
1443                 [smb_attr_cv_xattr_add_opt=no;LIBS=$old_LIBS])
1444         ])
1445         if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
1446                 AC_DEFINE(XATTR_ADD_OPT, 1, [xattr functions have additional options])
1447         fi
1448 fi
1449
1450 # Check if we have extattr
1451 case "$host_os" in
1452   *freebsd4* | *dragonfly* )
1453     AC_DEFINE(BROKEN_EXTATTR, 1, [Does extattr API work])
1454     ;;
1455   *)
1456     AC_CHECK_FUNCS(extattr_delete_fd extattr_delete_file extattr_delete_link)
1457     AC_CHECK_FUNCS(extattr_get_fd extattr_get_file extattr_get_link)
1458     AC_CHECK_FUNCS(extattr_list_fd extattr_list_file extattr_list_link)
1459     AC_CHECK_FUNCS(extattr_set_fd extattr_set_file extattr_set_link)
1460     ;;
1461 esac
1462
1463 AC_DISABLE_STATIC
1464 AC_ENABLE_SHARED
1465
1466 # Set defaults
1467 PIE_CFLAGS=""
1468 PIE_LDFLAGS=""
1469 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1470
1471 if test "x$enable_pie" != xno
1472 then
1473         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1474         [
1475                 cat > conftest.c <<EOF
1476 int foo;
1477 main () { return 0;}
1478 EOF
1479                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1480                 then
1481                         samba_cv_fpie=yes
1482                 else
1483                         samba_cv_fpie=no
1484                 fi
1485                 rm -f conftest*
1486         ])
1487         if test x"${samba_cv_fpie}" = x"yes"
1488         then
1489                 PIE_CFLAGS="-fPIE"
1490                 PIE_LDFLAGS="-pie"
1491         fi
1492 fi
1493
1494 # Set defaults
1495 RELRO_LDFLAGS=""
1496 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1497
1498 if test "x$enable_relro" != xno
1499 then
1500         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1501         [
1502                 cat > conftest.c <<EOF
1503 int foo;
1504 main () { return 0;}
1505 EOF
1506                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1507                 then
1508                         samba_cv_relro=yes
1509                 else
1510                         samba_cv_relro=no
1511                 fi
1512                 rm -f conftest*
1513         ])
1514         if test x"${samba_cv_relro}" = x"yes"
1515         then
1516                 RELRO_LDFLAGS="-Wl,-z,relro"
1517         fi
1518 fi
1519
1520 # Set defaults
1521 SYMSEXT="syms"
1522 AC_SUBST(SYMSEXT)
1523
1524 # Assume non-shared by default and override below
1525 BLDSHARED="false"
1526
1527 # these are the defaults, good for lots of systems
1528 HOST_OS="$host_os"
1529 LDSHFLAGS="-shared"
1530 MODULE_EXPORTS=""
1531 SONAMEFLAG="#"
1532 SHLD="\${CC} \${CFLAGS}"
1533 PICFLAG="${PIE_CFLAGS}"
1534 SHLIBEXT="so"
1535 DSO_EXPORTS=""
1536
1537 # this bit needs to be modified for each OS that supports share libs
1538 # You need to specify how to create a shared library and
1539   # how to compile C code to produce PIC object files
1540
1541   AC_MSG_CHECKING([ability to build shared libraries])
1542
1543   # and these are for particular systems
1544   case "$host_os" in
1545                 *linux*)   AC_DEFINE(LINUX,1,[Whether the host os is linux])
1546                         BLDSHARED="true"
1547                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1548                                 LDSHFLAGS="-shared -Wl,-Bsymbolic -Wl,--allow-shlib-undefined"
1549                         else
1550                                 LDSHFLAGS="-shared -Wl,-Bsymbolic"
1551                         fi
1552                         DYNEXP="-Wl,--export-dynamic"
1553                         PICFLAG="-fPIC"
1554                         SONAMEFLAG="-Wl,-soname="
1555                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1556                         ;;
1557                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1558                         BLDSHARED="true"
1559                         LDSHFLAGS="-G"
1560                         SONAMEFLAG="-h "
1561                         if test "${GCC}" = "yes"; then
1562                                 PICFLAG="-fPIC"
1563                                 SONAMEFLAG="-Wl,-soname="
1564                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1565                                         DYNEXP="-Wl,-E"
1566                                 fi
1567                         else
1568                                 PICFLAG="-KPIC"
1569                                 ## ${CFLAGS} added for building 64-bit shared
1570                                 ## libs using Sun's Compiler
1571                                 LDSHFLAGS="-G \${CFLAGS}"
1572                         fi
1573                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1574                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1575                         ;;
1576                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1577                         BLDSHARED="true"
1578                         LDSHFLAGS="-G"
1579                         SONAMEFLAG="-Wl,-h,"
1580                         PICFLAG="-KPIC"   # Is this correct for SunOS
1581                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1582                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1583                         ;;
1584                 *netbsd* | *freebsd* | *dragonfly* )
1585                         BLDSHARED="true"
1586                         LDSHFLAGS="-shared"
1587                         DYNEXP="-Wl,--export-dynamic"
1588                         SONAMEFLAG="-Wl,-soname,"
1589                         PICFLAG="-fPIC -DPIC"
1590                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1591                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1592                         ;;
1593                 *openbsd*)  BLDSHARED="true"
1594                         LDSHFLAGS="-shared"
1595                         DYNEXP="-Wl,-Bdynamic"
1596                         SONAMEFLAG="-Wl,-soname,"
1597                         PICFLAG="-fPIC"
1598                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1599                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1600                         ;;
1601                 *irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
1602                         case "$host_os" in
1603                         *irix6*) AC_DEFINE(IRIX6,1,[Whether the host os is irix6])
1604                         ;;
1605                         esac
1606                         BLDSHARED="true"
1607                         LDSHFLAGS="-set_version sgi1.0 -shared"
1608                         SONAMEFLAG="-soname "
1609                         SHLD="\${LD}"
1610                         if test "${GCC}" = "yes"; then
1611                                 PICFLAG="-fPIC"
1612                         else
1613                                 PICFLAG="-KPIC"
1614                         fi
1615                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1616                         ;;
1617                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1618                         BLDSHARED="true"
1619                         # use expfull to export underscored symbols
1620                         # add rtl to remove /lib/crt0.o warning
1621                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1622                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1623                         PICFLAG="-O2"
1624                         # as AIX code is always position independent...
1625                         # .po will just create compile warnings, use po.o:
1626                         if test "${GCC}" != "yes"; then
1627                                 ## for funky AIX compiler using strncpy()
1628                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000"
1629                         fi
1630
1631                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1632                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1633                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1634                         ;;
1635                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1636                         # Use special PIC flags for the native HP-UX compiler.
1637                                 BLDSHARED="true"
1638                                 SHLD="cc"
1639                                 LDSHFLAGS="-b -Wl,-B,symbolic,-b,-z"
1640                                 SONAMEFLAG="-Wl,+h "
1641                                 PICFLAG="+z"
1642                         if test "${GCC}" = "yes"; then
1643                                 PICFLAG="-fPIC"
1644                         else
1645                                 PICFLAG="+z +ESnolit"
1646                         fi
1647                         if test "$host_cpu" = "ia64"; then
1648                                 SHLIBEXT="so"
1649                               PICFLAG="+z"
1650                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32"
1651                         else
1652                                 SHLIBEXT="sl"
1653                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1654                         fi
1655                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1656                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1657                         ;;
1658                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx])
1659                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1660                         ;;
1661                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1662                         BLDSHARED="true"
1663                         LDSHFLAGS="-shared"
1664                         SONAMEFLAG="-Wl,-soname,"
1665                         PICFLAG="-fPIC"
1666                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1667                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1668                         ;;
1669                 *sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
1670                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1671                         ;;
1672                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1673                         BLDSHARED="true"
1674                         LDSHFLAGS="-shared"
1675                         SONAMEFLAG="-Wl,-soname,"
1676                         PICFLAG="-KPIC"
1677                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1678                         ;;
1679                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1680                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1681                         ;;
1682                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1683                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1684                         ;;
1685                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1686                         case "$host" in
1687                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1688                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1689                                         fi
1690                                         LDSHFLAGS="-G"
1691                                         DYNEXP="-Bexport"
1692                                 ;;
1693                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1694                         esac
1695                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1696                         ;;
1697
1698                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1699                         if [ test "$GCC" != yes ]; then
1700                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1701                         fi
1702                         LDSHFLAGS="-G"
1703                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1704                         ;;
1705                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1706                         BLDSHARED="false"
1707                         LDSHFLAGS=""
1708                         ;;
1709
1710                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1711                         BLDSHARED="true"
1712                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1713                         CFLAGS="$CFLAGS -fno-common"
1714                         SHLD="\${CC}"
1715                         SHLIBEXT="dylib"
1716                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1717                         SHLIBEXT="dylib"
1718                         # Since gcc doesn't fail on unrecognised options, the
1719                         # PIE test incorrectly succeeds. Darwin gcc does not
1720                         # actually support the PIE stuff.
1721                         PIE_LDFLAGS=
1722                         PIE_CFLAGS=
1723                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1724                         ;;
1725
1726                 *)
1727                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1728                         ;;
1729   esac
1730
1731 if test "$enable_shared" != "yes"; then
1732         BLDSHARED=false
1733 fi
1734
1735 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1736         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1737 fi
1738
1739 if test x"$BLDSHARED" = x"true" ; then
1740         LDFLAGS="$LDFLAGS -L./bin"
1741 fi
1742
1743 AC_MSG_RESULT($BLDSHARED)
1744
1745 AC_MSG_CHECKING([LDFLAGS])
1746 AC_MSG_RESULT([$LDFLAGS])
1747 AC_MSG_CHECKING([DYNEXP])
1748 AC_MSG_RESULT([$DYNEXP])
1749
1750 #######################################################
1751 # test whether building a shared library actually works
1752 if test $BLDSHARED = true; then
1753
1754 AC_MSG_CHECKING([SHLD])
1755 AC_MSG_RESULT([$SHLD])
1756 AC_MSG_CHECKING([LDSHFLAGS])
1757 AC_MSG_RESULT([$LDSHFLAGS])
1758
1759 AC_MSG_CHECKING([SHLIBEXT])
1760 AC_MSG_RESULT([$SHLIBEXT])
1761 AC_MSG_CHECKING([SONAMEFLAG])
1762 AC_MSG_RESULT([$SONAMEFLAG])
1763
1764 AC_MSG_CHECKING([PICFLAG])
1765 AC_MSG_RESULT([$PICFLAG])
1766
1767 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1768 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1769
1770 AC_CACHE_CHECK([whether building shared libraries actually works],
1771                [ac_cv_shlib_works],[
1772    # try building a trivial shared library
1773    ac_cv_shlib_works=no
1774    # The $SHLD and $LDSHFLAGS variables may contain references to other
1775    # variables so they need to be eval'ed.
1776    $CC $CPPFLAGS $CFLAGS $PICFLAG -c -o \
1777         shlib.o ${srcdir-.}/../tests/shlib.c && \
1778    `eval echo $SHLD` `eval echo $LDSHFLAGS` -o "shlib.$SHLIBEXT" \
1779         shlib.o && ac_cv_shlib_works=yes
1780    rm -f "shlib.$SHLIBEXT" shlib.o
1781
1782 ])
1783 if test $ac_cv_shlib_works = no; then
1784    BLDSHARED=false
1785 fi
1786 fi
1787
1788 if test x"$BLDSHARED" != x"true"; then
1789         LDSHFLAGS="shared-libraries-disabled"
1790         SONAMEFLAG="shared-libraries-disabled"
1791         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1792         SHLD="shared-libraries-disabled"
1793         PICFLAG="${PIE_CFLAGS}"
1794         SHLIBEXT="shared_libraries_disabled"
1795 fi
1796
1797 AC_MSG_CHECKING([used PICFLAG])
1798 AC_MSG_RESULT([$PICFLAG])
1799
1800 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
1801
1802 AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
1803
1804 ################
1805
1806 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
1807 AC_TRY_RUN([#include <stdio.h>
1808 main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
1809 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
1810 if test x"$samba_cv_have_longlong" = x"yes"; then
1811     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
1812     AC_CHECK_TYPE(intptr_t, unsigned long long)
1813 else
1814     AC_CHECK_TYPE(intptr_t, unsigned long)
1815 fi
1816
1817 #
1818 # Check if the compiler supports the LL prefix on long long integers.
1819 # AIX needs this.
1820
1821 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
1822     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
1823         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
1824 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
1825    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
1826 fi
1827
1828
1829 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
1830 AC_TRY_RUN([#include <time.h>
1831 main() { exit((sizeof(time_t) == 8) ? 0 : 1); }],
1832 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
1833 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
1834     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
1835 fi
1836
1837 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
1838 AC_TRY_RUN([#include <stdio.h>
1839 #include <sys/stat.h>
1840 main() { exit((sizeof(off_t) == 8) ? 0 : 1); }],
1841 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
1842 if test x"$samba_cv_SIZEOF_OFF_T" = x"yes"; then
1843     AC_DEFINE(SIZEOF_OFF_T,8,[The size of the 'off_t' type])
1844 fi
1845
1846 AC_CACHE_CHECK([for off64_t],samba_cv_HAVE_OFF64_T,[
1847 AC_TRY_RUN([
1848 #if defined(HAVE_UNISTD_H)
1849 #include <unistd.h>
1850 #endif
1851 #include <stdio.h>
1852 #include <sys/stat.h>
1853 main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
1854 samba_cv_HAVE_OFF64_T=yes,samba_cv_HAVE_OFF64_T=no,samba_cv_HAVE_OFF64_T=cross)])
1855 if test x"$samba_cv_HAVE_OFF64_T" = x"yes"; then
1856     AC_DEFINE(HAVE_OFF64_T,1,[Whether off64_t is available])
1857 fi
1858
1859 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
1860 AC_TRY_RUN([
1861 #if defined(HAVE_UNISTD_H)
1862 #include <unistd.h>
1863 #endif
1864 #include <stdio.h>
1865 #include <sys/stat.h>
1866 main() { exit((sizeof(ino_t) == 8) ? 0 : 1); }],
1867 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
1868 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
1869     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
1870 fi
1871
1872 AC_CACHE_CHECK([for ino64_t],samba_cv_HAVE_INO64_T,[
1873 AC_TRY_RUN([
1874 #if defined(HAVE_UNISTD_H)
1875 #include <unistd.h>
1876 #endif
1877 #include <stdio.h>
1878 #include <sys/stat.h>
1879 main() { struct stat64 st; ino64_t s; if (sizeof(ino_t) == sizeof(ino64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
1880 samba_cv_HAVE_INO64_T=yes,samba_cv_HAVE_INO64_T=no,samba_cv_HAVE_INO64_T=cross)])
1881 if test x"$samba_cv_HAVE_INO64_T" = x"yes"; then
1882     AC_DEFINE(HAVE_INO64_T,1,[Whether the 'ino64_t' type is available])
1883 fi
1884
1885 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
1886 AC_TRY_RUN([
1887 #if defined(HAVE_UNISTD_H)
1888 #include <unistd.h>
1889 #endif
1890 #include <stdio.h>
1891 #include <sys/stat.h>
1892 main() { exit((sizeof(dev_t) == 8) ? 0 : 1); }],
1893 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
1894 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
1895     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
1896 fi
1897
1898 AC_CACHE_CHECK([for dev64_t],samba_cv_HAVE_DEV64_T,[
1899 AC_TRY_RUN([
1900 #if defined(HAVE_UNISTD_H)
1901 #include <unistd.h>
1902 #endif
1903 #include <stdio.h>
1904 #include <sys/stat.h>
1905 main() { struct stat64 st; dev64_t s; if (sizeof(dev_t) == sizeof(dev64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
1906 samba_cv_HAVE_DEV64_T=yes,samba_cv_HAVE_DEV64_T=no,samba_cv_HAVE_DEV64_T=cross)])
1907 if test x"$samba_cv_HAVE_DEV64_T" = x"yes"; then
1908     AC_DEFINE(HAVE_DEV64_T,1,[Whether the 'dev64_t' type is available])
1909 fi
1910
1911 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIR64,[
1912 AC_TRY_COMPILE([
1913 #if defined(HAVE_UNISTD_H)
1914 #include <unistd.h>
1915 #endif
1916 #include <sys/types.h>
1917 #include <dirent.h>],
1918 [DIR64 de;],
1919 samba_cv_HAVE_STRUCT_DIR64=yes,samba_cv_HAVE_STRUCT_DIR64=no)])
1920 if test x"$samba_cv_HAVE_STRUCT_DIR64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
1921     AC_DEFINE(HAVE_STRUCT_DIR64,1,[Whether the 'DIR64' abstract data type is available])
1922 fi
1923
1924 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIRENT64,[
1925 AC_TRY_COMPILE([
1926 #if defined(HAVE_UNISTD_H)
1927 #include <unistd.h>
1928 #endif
1929 #include <sys/types.h>
1930 #include <dirent.h>],
1931 [struct dirent64 de;],
1932 samba_cv_HAVE_STRUCT_DIRENT64=yes,samba_cv_HAVE_STRUCT_DIRENT64=no)])
1933 if test x"$samba_cv_HAVE_STRUCT_DIRENT64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
1934     AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Whether the 'dirent64' struct is available])
1935 fi
1936
1937 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
1938 AC_TRY_RUN([
1939 #if defined(HAVE_UNISTD_H)
1940 #include <unistd.h>
1941 #endif
1942 #include <sys/types.h>
1943 main() { dev_t dev; int i = major(dev); return 0; }],
1944 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
1945 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
1946     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
1947 fi
1948
1949 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
1950 AC_TRY_RUN([
1951 #if defined(HAVE_UNISTD_H)
1952 #include <unistd.h>
1953 #endif
1954 #include <sys/types.h>
1955 main() { dev_t dev; int i = minor(dev); return 0; }],
1956 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
1957 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
1958     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
1959 fi
1960
1961 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
1962 AC_TRY_RUN([
1963 #if defined(HAVE_UNISTD_H)
1964 #include <unistd.h>
1965 #endif
1966 #include <sys/types.h>
1967 main() { dev_t dev = makedev(1,2); return 0; }],
1968 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
1969 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
1970     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
1971 fi
1972
1973 AC_CACHE_CHECK([for unsigned char],samba_cv_HAVE_UNSIGNED_CHAR,[
1974 AC_TRY_RUN([#include <stdio.h>
1975 main() { char c; c=250; exit((c > 0)?0:1); }],
1976 samba_cv_HAVE_UNSIGNED_CHAR=yes,samba_cv_HAVE_UNSIGNED_CHAR=no,samba_cv_HAVE_UNSIGNED_CHAR=cross)])
1977 if test x"$samba_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
1978     AC_DEFINE(HAVE_UNSIGNED_CHAR,1,[Whether the 'unsigned char' type is available])
1979 fi
1980
1981 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
1982 AC_TRY_COMPILE([#include <sys/types.h>
1983 #include <dirent.h>
1984 void seekdir(DIR *d, long loc) { return; }],[return 0;],
1985 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
1986 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
1987     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
1988 fi
1989
1990 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
1991 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
1992 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
1993 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
1994     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
1995 fi
1996
1997 AC_CACHE_CHECK([if gettimeofday takes tz argument],samba_cv_HAVE_GETTIMEOFDAY_TZ,[
1998 AC_TRY_LINK([
1999 #include <sys/time.h>
2000 #include <unistd.h>], [struct timeval tv; return gettimeofday(&tv, NULL);],
2001            samba_cv_HAVE_GETTIMEOFDAY_TZ=yes,
2002            samba_cv_HAVE_GETTIMEOFDAY_TZ=no)])
2003 if test x"$samba_cv_HAVE_GETTIMEOFDAY_TZ" = x"yes"; then
2004     AC_DEFINE(HAVE_GETTIMEOFDAY_TZ,1,[Whether gettimeofday takes a tz argument])
2005 fi
2006
2007 if test x"$samba_cv_WITH_PROFILE" = x"yes"; then
2008
2009     # On some systems (eg. Linux) librt can pull in libpthread. We
2010     # don't want this to happen because libpthreads changes signal delivery
2011     # semantics in ways we are not prepared for. This breaks Linux oplocks
2012     # which rely on signals.
2013
2014     AC_LIBTESTFUNC(rt, clock_gettime,
2015             [
2016                             AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
2017                                 [Whether clock_gettime is available])
2018                             SMB_CHECK_CLOCK_ID(CLOCK_MONOTONIC)
2019                             SMB_CHECK_CLOCK_ID(CLOCK_PROCESS_CPUTIME_ID)
2020                             SMB_CHECK_CLOCK_ID(CLOCK_REALTIME)
2021                         ])
2022
2023 fi
2024
2025 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2026 AC_TRY_RUN([#include <sys/types.h>
2027 #include <dirent.h>
2028 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2029 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2030 di->d_name[0] == 0) exit(0); exit(1);} ],
2031 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2032 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2033     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2034 fi
2035
2036 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2037 AC_TRY_COMPILE([#include <sys/types.h>
2038 #include <utime.h>],
2039 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
2040 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2041 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2042     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2043 fi
2044
2045 ##############
2046 # Check utmp details, but only if our OS offers utmp.h
2047 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2048 dnl  utmp and utmpx come in many flavours
2049 dnl  We need to check for many of them
2050 dnl  But we don't need to do each and every one, because our code uses
2051 dnl  mostly just the utmp (not utmpx) fields.
2052
2053 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx)
2054
2055 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2056 AC_TRY_COMPILE([#include <sys/types.h>
2057 #include <utmp.h>],
2058 [struct utmp ut;  ut.ut_name[0] = 'a';],
2059 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2060 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2061     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2062 fi
2063
2064 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2065 AC_TRY_COMPILE([#include <sys/types.h>
2066 #include <utmp.h>],
2067 [struct utmp ut;  ut.ut_user[0] = 'a';],
2068 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2069 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2070     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2071 fi
2072
2073 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2074 AC_TRY_COMPILE([#include <sys/types.h>
2075 #include <utmp.h>],
2076 [struct utmp ut;  ut.ut_id[0] = 'a';],
2077 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2078 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2079     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2080 fi
2081
2082 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2083 AC_TRY_COMPILE([#include <sys/types.h>
2084 #include <utmp.h>],
2085 [struct utmp ut;  ut.ut_host[0] = 'a';],
2086 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2087 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2088     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2089 fi
2090
2091 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2092 AC_TRY_COMPILE([#include <sys/types.h>
2093 #include <utmp.h>],
2094 [struct utmp ut;  time_t t; ut.ut_time = t;],
2095 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2096 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2097     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2098 fi
2099
2100 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2101 AC_TRY_COMPILE([#include <sys/types.h>
2102 #include <utmp.h>],
2103 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2104 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2105 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2106     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2107 fi
2108
2109 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2110 AC_TRY_COMPILE([#include <sys/types.h>
2111 #include <utmp.h>],
2112 [struct utmp ut;  ut.ut_type = 0;],
2113 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2114 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2115     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2116 fi
2117
2118 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2119 AC_TRY_COMPILE([#include <sys/types.h>
2120 #include <utmp.h>],
2121 [struct utmp ut;  ut.ut_pid = 0;],
2122 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2123 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2124     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2125 fi
2126
2127 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2128 AC_TRY_COMPILE([#include <sys/types.h>
2129 #include <utmp.h>],
2130 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2131 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2132 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2133     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2134 fi
2135
2136 dnl Look for the IPv6 varient by preference. Many systems have both.
2137 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2138 AC_TRY_COMPILE([#include <sys/types.h>
2139 #include <utmp.h>],
2140 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2141 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2142 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2143     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2144 fi
2145
2146 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2147 AC_TRY_COMPILE([#include <sys/types.h>
2148 #include <utmp.h>],
2149 [struct utmp ut;  ut.ut_addr = 0;],
2150 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2151 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2152     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2153 fi
2154
2155 if test x$ac_cv_func_pututline = xyes ; then
2156   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2157   AC_TRY_COMPILE([#include <sys/types.h>
2158 #include <utmp.h>],
2159   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2160   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2161   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2162       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2163   fi
2164 fi
2165
2166 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2167 AC_TRY_COMPILE([#include <sys/types.h>
2168 #include <utmpx.h>],
2169 [struct utmpx ux;  ux.ut_syslen = 0;],
2170 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2171 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2172     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2173 fi
2174
2175 fi
2176 # end utmp details
2177
2178
2179 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2180 AC_ARG_WITH(libiconv,
2181 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2182 [
2183   if test "$withval" = "no" ; then
2184     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2185   else
2186      if test "$withval" != "yes" ; then
2187         ICONV_PATH_SPEC=yes
2188         ICONV_LOOK_DIRS="$withval"
2189      fi
2190   fi
2191 ])
2192
2193 for i in $ICONV_LOOK_DIRS ; do
2194
2195     save_LIBS="$LIBS"
2196     save_LDFLAGS="$LDFLAGS"
2197     save_CPPFLAGS="$CPPFLAGS"
2198
2199     iconv_current_LIBS=""
2200     iconv_current_LDFLAGS=""
2201     iconv_current_CPPFLAGS=""
2202
2203     ICONV_FOUND="no"
2204     unset libext
2205
2206     #  This is here to handle -withval stuff for --with-libiconv
2207     #  Perhaps we should always add a -L
2208     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2209
2210     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2211     # installation paths. This gets a little tricky since we might have iconv
2212     # in both libiconv and in libc. In this case the jm_ICONV test will always
2213     # succeed when the header is found. To counter this, make sure the
2214     # library directory is there and check the ABI directory first (which
2215     # should be harmless on other systems, but causes tons of linker warnings on
2216     # 64bit Ubuntu systems).
2217     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2218     # installed, I've decided to fix the linker warnings.
2219     # -- Kai
2220     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2221     for l in "lib" "lib32" "lib/hpux32"; do
2222         if test -d "$i/$l" ; then
2223                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2224                 LIBS=
2225                 export LDFLAGS LIBS CPPFLAGS
2226                 # Try to find iconv(3)
2227                 jm_ICONV($i/$l)
2228                 if test x"$ICONV_FOUND" = "xyes" ; then
2229                     libext="$l"
2230                     break
2231                 fi
2232         fi
2233     done
2234
2235     if test x"$ICONV_FOUND" = "xyes" ; then
2236         iconv_current_LDFLAGS="-L$i/$libext"
2237         iconv_current_CPPFLAGS="-I$i/include"
2238
2239         if test x"$jm_cv_lib_iconv" != x; then
2240             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2241         else
2242             # We found iconv in libc.
2243             iconv_current_LIBS=""
2244         fi
2245
2246     fi
2247
2248     if test x"$ICONV_FOUND" = "xyes" ; then
2249
2250         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2251         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2252         LIBS="$save_LIBS $iconv_current_LIBS"
2253         export LDFLAGS LIBS CPPFLAGS
2254
2255         default_dos_charset=no
2256         default_display_charset=no
2257         default_unix_charset=no
2258
2259         # check for default dos charset name
2260         for j in CP850 IBM850 ; do
2261             rjs_CHARSET($j)
2262             default_dos_charset="$ICONV_CHARSET"
2263             if test x"$default_dos_charset" = x"$j"; then
2264                 break
2265             fi
2266         done
2267
2268         # check for default display charset name
2269         for j in ASCII 646 ; do
2270             rjs_CHARSET($j)
2271             default_display_charset="$ICONV_CHARSET"
2272             if test x"$default_display_charset" = x"$j"; then
2273                 break
2274             fi
2275         done
2276
2277         # check for default unix charset name
2278         for j in UTF-8 UTF8 ; do
2279             rjs_CHARSET($j)
2280             default_unix_charset="$ICONV_CHARSET"
2281             if test x"$default_unix_charset" = x"$j"; then
2282                 break
2283             fi
2284         done
2285
2286         if test "$default_dos_charset" != "no" -a \
2287                 "$default_dos_charset" != "cross" -a \
2288                 "$default_display_charset" != "no" -a \
2289                 "$default_display_charset" != "cross" -a \
2290                 "$default_unix_charset" != "no" -a \
2291                 "$default_unix_charset" != "cross"
2292         then
2293                 samba_cv_HAVE_NATIVE_ICONV=yes
2294         else
2295             if test "$default_dos_charset" = "cross" -o \
2296                      "$default_display_charset" = "cross" -o \
2297                      "$default_unix_charset" = "cross"
2298             then
2299                     samba_cv_HAVE_NATIVE_ICONV=cross
2300             else
2301                     samba_cv_HAVE_NATIVE_ICONV=no
2302             fi
2303         fi
2304
2305         # At this point, we have a libiconv candidate. We know that
2306         # we have the right headers and libraries, but we don't know
2307         # whether it does the conversions we want. We can't test this
2308         # because we are cross-compiling. This is not necessarily a big
2309         # deal, since we can't guarantee that the results we get now will
2310         # match the results we get at runtime anyway.
2311         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2312             default_dos_charset="CP850"
2313             default_display_charset="ASCII"
2314             default_unix_charset="UTF-8"
2315             samba_cv_HAVE_NATIVE_ICONV=yes
2316             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2317             AC_MSG_WARN([$default_dos_charset, $default_display_charset and $default_unix_charset to UCS-16LE])
2318         fi
2319
2320         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2321
2322             CPPFLAGS=$save_CPPFLAGS
2323             LDFLAGS=$save_LDFLAGS
2324             LIBS=$save_LIBS
2325
2326             if test x"$iconv_current_LIBS" != x; then
2327                 LIBS="$LIBS $iconv_current_LIBS"
2328             fi
2329
2330             # Add the flags we need to CPPFLAGS and LDFLAGS
2331             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2332             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2333
2334             # Turn the #defines into string literals
2335             default_dos_charset="\"$default_dos_charset\""
2336             default_display_charset="\"$default_display_charset\""
2337             default_unix_charset="\"$default_unix_charset\""
2338
2339             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2340             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2341             AC_DEFINE_UNQUOTED(DEFAULT_DISPLAY_CHARSET,$default_display_charset,[Default display charset name])
2342             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2343
2344            break
2345         fi
2346
2347     # We didn't find a working iconv, so keep going
2348     fi
2349
2350     #  We only need to clean these up here for the next pass through the loop
2351     CPPFLAGS=$save_CPPFLAGS
2352     LDFLAGS=$save_LDFLAGS
2353     LIBS=$save_LIBS
2354     export LDFLAGS LIBS CPPFLAGS
2355 done
2356 unset libext
2357
2358
2359 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2360     AC_MSG_WARN([Sufficient support for iconv function was not found.
2361     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2362    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2363    AC_DEFINE_UNQUOTED(DEFAULT_DISPLAY_CHARSET,"ASCII",[Default display charset name])
2364    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2365 fi
2366
2367
2368 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2369 AC_TRY_RUN([
2370 #include <sys/types.h>
2371 #include <fcntl.h>
2372 #ifndef F_GETLEASE
2373 #define F_GETLEASE      1025
2374 #endif
2375 main() {
2376        int fd = open("/dev/null", O_RDONLY);
2377        return fcntl(fd, F_GETLEASE, 0) == -1;
2378 }
2379 ],
2380 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2381 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2382     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2383 fi
2384
2385 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2386 AC_TRY_RUN([
2387 #include <sys/types.h>
2388 #include <fcntl.h>
2389 #include <signal.h>
2390 #ifndef F_NOTIFY
2391 #define F_NOTIFY 1026
2392 #endif
2393 main() {
2394         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2395 }
2396 ],
2397 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2398 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2399     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2400 fi
2401
2402 AC_CACHE_CHECK([for inotify support],samba_cv_HAVE_INOTIFY,[
2403 AC_CHECK_HEADERS(linux/inotify.h asm/unistd.h sys/inotify.h)
2404 AC_CHECK_FUNCS(inotify_init)
2405 AC_HAVE_DECL(__NR_inotify_init, [#include <asm/unistd.h>])
2406 ],
2407 samba_cv_HAVE_INOTIFY=yes,
2408 samba_cv_HAVE_INOTIFY=no,
2409 samba_cv_HAVE_INOTIFY=cross)
2410
2411 if test x"$ac_cv_func_inotify_init" = x"yes" -a x"$ac_cv_header_linux_inotify_h" = x"yes"; then
2412     AC_DEFINE(HAVE_INOTIFY,1,[Whether kernel has inotify support])
2413 fi
2414
2415 #################################################
2416 # Check if FAM notifications are available. For FAM info, see
2417 #       http://oss.sgi.com/projects/fam/
2418 #       http://savannah.nongnu.org/projects/fam/
2419 AC_ARG_ENABLE(fam,
2420 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2421
2422 if test x$enable_fam != xno; then
2423     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2424     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2425         # On IRIX, libfam requires libC, but other FAM implementations
2426         # might not need it.
2427         AC_CHECK_LIB(fam, FAMOpen2,
2428             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam"],
2429             [samba_cv_HAVE_LIBFAM=no])
2430
2431         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2432             samba_fam_xtra=-lC
2433             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2434                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC"],
2435                 [samba_cv_HAVE_LIBFAM=no])
2436             unset samba_fam_xtra
2437         fi
2438     fi
2439
2440     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2441         default_shared_modules="$default_shared_modules vfs_notify_fam"
2442         AC_TRY_COMPILE([#include <fam.h>],
2443                     [FAMCodes code = FAMChanged;],
2444                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2445                         [Whether fam.h contains a typedef for enum FAMCodes]),
2446                     [])
2447     fi
2448
2449     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2450         AC_MSG_ERROR(FAM support requested but FAM library not available )
2451     fi
2452 fi
2453
2454 AC_SUBST(SMB_FAM_LIBS)
2455
2456 #################################################
2457 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2458
2459 SMB_CHECK_DMAPI([], AC_MSG_NOTICE(DMAPI support not present) )
2460
2461 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2462 # Theoretically it should work with AIX JFS2 too but this needs testing
2463 if test x"$samba_cv_HAVE_GPFS" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2464     default_shared_modules="$default_shared_modules vfs_tsmsm"
2465 fi
2466
2467 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2468 AC_TRY_RUN([
2469 #include <sys/types.h>
2470 #include <fcntl.h>
2471 #include <signal.h>
2472 #include <sys/file.h>
2473 #ifndef LOCK_MAND
2474 #define LOCK_MAND       32
2475 #define LOCK_READ       64
2476 #endif
2477 main() {
2478         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2479 }
2480 ],
2481 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2482 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2483     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2484 fi
2485
2486
2487 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2488 AC_TRY_COMPILE([#include <sys/types.h>
2489 #include <fcntl.h>],
2490 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2491 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2492 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2493     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2494 fi
2495
2496 #################################################
2497 # Check for POSIX capability support
2498
2499 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2500     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2501     [], [])
2502
2503 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2504
2505     ac_save_LIBS=$LIBS
2506     AC_LIBTESTFUNC(cap, cap_get_proc)
2507
2508     AC_CACHE_CHECK([for POSIX capabilities],
2509             samba_cv_HAVE_POSIX_CAPABILITIES,
2510             [
2511                 AC_TRY_RUN([
2512 #include <sys/types.h>
2513 #include <sys/capability.h>
2514 main() {
2515  cap_t cap;
2516  cap_value_t vals[1];
2517  if (!(cap = cap_get_proc()))
2518    exit(1);
2519  vals[0] = CAP_CHOWN;
2520  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2521  cap_set_proc(cap);
2522  exit(0);
2523 }],
2524                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2525                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2526                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2527             ])
2528
2529 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2530     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2531             [Whether POSIX capabilities are available])
2532 else
2533     LIBS=$ac_save_LIBS
2534 fi
2535
2536 fi
2537
2538 #
2539 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2540 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2541 #
2542
2543 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2544 AC_TRY_COMPILE([#include <sys/types.h>
2545 #if defined(HAVE_RPC_RPC_H)
2546 #include <rpc/rpc.h>
2547 #endif],
2548 [int16 testvar;],
2549 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2550 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2551     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2552 fi
2553
2554 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2555 AC_TRY_COMPILE([#include <sys/types.h>
2556 #if defined(HAVE_RPC_RPC_H)
2557 #include <rpc/rpc.h>
2558 #endif],
2559 [uint16 testvar;],
2560 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2561 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2562     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2563 fi
2564
2565 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2566 AC_TRY_COMPILE([#include <sys/types.h>
2567 #if defined(HAVE_RPC_RPC_H)
2568 #include <rpc/rpc.h>
2569 #endif],
2570 [int32 testvar;],
2571 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2572 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2573     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2574 fi
2575
2576 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2577 AC_TRY_COMPILE([#include <sys/types.h>
2578 #if defined(HAVE_RPC_RPC_H)
2579 #include <rpc/rpc.h>
2580 #endif],
2581 [uint32 testvar;],
2582 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2583 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2584     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2585 fi
2586
2587 dnl
2588 dnl Some systems (SCO) have a problem including
2589 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2590 dnl as a #define in <prot.h> and as part of an enum
2591 dnl in <rpc/rpc.h>.
2592 dnl
2593
2594 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2595 AC_TRY_COMPILE([#include <sys/types.h>
2596 #ifdef HAVE_SYS_SECURITY_H
2597 #include <sys/security.h>
2598 #include <prot.h>
2599 #endif  /* HAVE_SYS_SECURITY_H */
2600 #if defined(HAVE_RPC_RPC_H)
2601 #include <rpc/rpc.h>
2602 #endif],
2603 [int testvar;],
2604 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2605 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2606     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2607 fi
2608
2609 AC_MSG_CHECKING([for test routines])
2610 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
2611            AC_MSG_RESULT(yes),
2612            AC_MSG_ERROR([cant find test code. Aborting config]),
2613            AC_MSG_WARN([cannot run when cross-compiling]))
2614
2615 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2616 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
2617            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2618 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2619     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2620 fi
2621
2622 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2623 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
2624            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2625 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2626     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2627 fi
2628
2629 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2630 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2631 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2632 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2633 AC_CHECK_FUNCS(getpagesize)
2634
2635 ################################################
2636 # look for a method of setting the effective uid
2637 seteuid=no;
2638
2639 if test $seteuid = no; then
2640 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2641 AC_TRY_RUN([
2642 #define AUTOCONF_TEST 1
2643 #define USE_SETREUID 1
2644 #include "confdefs.h"
2645 #include "${srcdir-.}/lib/util_sec.c"],
2646            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2647 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2648     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2649 fi
2650 fi
2651
2652 # we check for setresuid second as it conflicts with AIO on Linux. 
2653 # see http://samba.org/~tridge/junkcode/aio_uid.c
2654 if test $seteuid = no; then
2655 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2656 AC_TRY_RUN([
2657 #define AUTOCONF_TEST 1
2658 #define USE_SETRESUID 1
2659 #include "confdefs.h"
2660 #include "${srcdir-.}/lib/util_sec.c"],
2661            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2662 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2663     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2664 fi
2665 fi
2666
2667 if test $seteuid = no; then
2668 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2669 AC_TRY_RUN([
2670 #define AUTOCONF_TEST 1
2671 #define USE_SETEUID 1
2672 #include "confdefs.h"
2673 #include "${srcdir-.}/lib/util_sec.c"],
2674            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2675 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2676     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2677 fi
2678 fi
2679
2680 if test $seteuid = no; then
2681 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2682 AC_TRY_RUN([
2683 #define AUTOCONF_TEST 1
2684 #define USE_SETUIDX 1
2685 #include "confdefs.h"
2686 #include "${srcdir-.}/lib/util_sec.c"],
2687            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2688 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2689     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2690 fi
2691 fi
2692
2693 AC_CACHE_CHECK([for the Darwin initgroups system call],
2694         samba_cv_DARWIN_INITGROUPS,
2695         AC_TRY_LINK([
2696 #include <sys/syscall.h>
2697 #include <unistd.h>
2698         ],
2699         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2700         samba_cv_DARWIN_INITGROUPS=yes,
2701         samba_cv_DARWIN_INITGROUPS=no)
2702 )
2703
2704 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2705     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2706         [Whether to use the Darwin-specific initgroups system call])
2707 fi
2708
2709 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2710 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
2711            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2712 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2713     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2714 fi
2715
2716 AC_CACHE_CHECK([for broken (glibc2.1/x86) 64 bit fcntl locking],samba_cv_HAVE_BROKEN_FCNTL64_LOCKS,[
2717 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock64.c"],
2718            samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=yes,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=no,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=cross)])
2719 if test x"$samba_cv_HAVE_BROKEN_FCNTL64_LOCKS" = x"yes"; then
2720     AC_DEFINE(HAVE_BROKEN_FCNTL64_LOCKS,1,[Whether fcntl64 locks are broken])
2721
2722 else
2723
2724 dnl
2725 dnl Don't check for 64 bit fcntl locking if we know that the
2726 dnl glibc2.1 broken check has succeeded.
2727 dnl
2728
2729   AC_CACHE_CHECK([for 64 bit fcntl locking],samba_cv_HAVE_STRUCT_FLOCK64,[
2730   AC_TRY_RUN([
2731 #if defined(HAVE_UNISTD_H)
2732 #include <unistd.h>
2733 #endif
2734 #include <stdio.h>
2735 #include <stdlib.h>
2736
2737 #ifdef HAVE_FCNTL_H
2738 #include <fcntl.h>
2739 #endif
2740
2741 #ifdef HAVE_SYS_FCNTL_H
2742 #include <sys/fcntl.h>
2743 #endif
2744 main() { struct flock64 fl64;
2745 #if defined(F_SETLKW64) && defined(F_SETLK64) && defined(F_GETLK64)
2746 exit(0);
2747 #else
2748 exit(1);
2749 #endif
2750 }],
2751        samba_cv_HAVE_STRUCT_FLOCK64=yes,samba_cv_HAVE_STRUCT_FLOCK64=no,samba_cv_HAVE_STRUCT_FLOCK64=cross)])
2752
2753   if test x"$samba_cv_HAVE_STRUCT_FLOCK64" = x"yes"; then
2754       AC_DEFINE(HAVE_STRUCT_FLOCK64,1,[Whether the flock64 struct is available])
2755   fi
2756 fi
2757
2758 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2759 AC_TRY_COMPILE([#include <sys/types.h>
2760 #include <sys/stat.h>
2761 #include <unistd.h>],
2762 [struct stat st;  st.st_blocks = 0;],
2763 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2764 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2765     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2766 fi
2767
2768 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2769 AC_TRY_COMPILE([#include <sys/types.h>
2770 #include <sys/stat.h>
2771 #include <unistd.h>],
2772 [struct stat st;  st.st_blksize = 0;],
2773 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2774 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2775     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2776 fi
2777
2778 AC_CACHE_CHECK([for st_flags in struct stat],
2779         samba_cv_HAVE_STAT_ST_FLAGS,
2780         [
2781             AC_TRY_COMPILE([#include <sys/types.h>
2782 #include <sys/stat.h>
2783 #include <unistd.h>],
2784             [struct stat st;  st.st_flags = 0;],
2785             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2786             samba_cv_HAVE_STAT_ST_FLAGS=no,
2787             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2788         ])
2789
2790 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
2791     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
2792                 [Whether the stat struct has a st_flags member])
2793 fi
2794
2795 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
2796 AC_TRY_COMPILE([
2797 #include <sys/types.h>
2798 #include <sys/acl.h>
2799 #if defined(HAVE_RPCSVC_NIS_H)
2800 #include <rpcsvc/nis.h>
2801 #endif],
2802 [int i;],
2803 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
2804 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
2805         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
2806 fi
2807
2808 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
2809 AC_TRY_RUN([
2810 #include <stdio.h>
2811 #include <limits.h>
2812 #include <signal.h>
2813
2814 void exit_on_core(int ignored) {
2815         exit(1);
2816 }
2817
2818 main() {
2819         char *newpath;
2820         signal(SIGSEGV, exit_on_core);
2821         newpath = realpath("/tmp", NULL);
2822         exit((newpath != NULL) ? 0 : 1);
2823 }
2824 ],
2825 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
2826 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
2827     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
2828 fi
2829
2830 #################################################
2831 # check for AFS clear-text auth support
2832 samba_cv_WITH_AFS=no
2833 AC_MSG_CHECKING(whether to use AFS clear-text auth)
2834 AC_ARG_WITH(afs,
2835 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
2836 [ case "$withval" in
2837   yes|auto)
2838     AC_MSG_RESULT($withval)
2839     samba_cv_WITH_AFS=$withval
2840     ;;
2841   *)
2842     AC_MSG_RESULT(no)
2843     ;;
2844   esac ],
2845   AC_MSG_RESULT(no)
2846 )
2847
2848 ####################################################
2849 # check for Linux-specific AFS fake-kaserver support
2850 samba_cv_WITH_FAKE_KASERVER=no
2851 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
2852 AC_ARG_WITH(fake-kaserver,
2853 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
2854 [ case "$withval" in
2855   yes|auto)
2856     AC_MSG_RESULT($withval)
2857     samba_cv_WITH_FAKE_KASERVER=$withval
2858     ;;
2859   *)
2860     AC_MSG_RESULT(no)
2861     ;;
2862   esac ],
2863   AC_MSG_RESULT(no)
2864 )
2865
2866 #################################################
2867 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
2868 if test x"$samba_cv_WITH_AFS" != x"no" ||
2869    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
2870
2871     # see if this box has the OpenSSL DES libraries
2872     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
2873
2874     # see if this box has the afs-headers in /usr/include/afs
2875     AC_MSG_CHECKING(for /usr/include/afs)
2876     if test -d /usr/include/afs; then
2877           AC_MSG_RESULT(yes)
2878     else
2879       AC_MSG_RESULT(no)
2880     fi
2881
2882     # check for afs.h
2883     have_afs_headers=no
2884     AC_CHECK_HEADERS(afs.h afs/afs.h)
2885     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
2886         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
2887            test x"$samba_cv_WITH_AFS" = x"auto"; then
2888                 AC_MSG_WARN([AFS cannot be supported without afs.h])
2889         else
2890                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
2891         fi
2892     else
2893         have_afs_headers=yes
2894     fi
2895 fi
2896
2897 FAKE_KASERVER_OBJ=""
2898 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
2899     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
2900     FAKE_KASERVER_OBJ="utils/net_afs.o"
2901 fi
2902 AC_SUBST(FAKE_KASERVER_OBJ)
2903
2904 #################################################
2905 # check whether to compile AFS/NT ACL mapping module
2906 samba_cv_WITH_VFS_AFSACL=no
2907 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
2908 AC_ARG_WITH(vfs-afsacl,
2909 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
2910 [ case "$withval" in
2911   yes|auto)
2912     AC_MSG_RESULT($withval)
2913     samba_cv_WITH_VFS_AFSACL=yes
2914     ;;
2915   *)
2916     AC_MSG_RESULT(no)
2917     ;;
2918   esac ],
2919   AC_MSG_RESULT(no)
2920 )
2921
2922 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
2923    default_shared_modules="$default_shared_modules vfs_afsacl"
2924 fi
2925         
2926 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
2927     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
2928 fi
2929
2930 #################################################
2931 # check for the DFS clear-text auth system
2932 AC_MSG_CHECKING(whether to use DFS clear-text auth)
2933 AC_ARG_WITH(dfs,
2934 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
2935 [ case "$withval" in
2936   yes)
2937     AC_MSG_RESULT(yes)
2938     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
2939     ;;
2940   *)
2941     AC_MSG_RESULT(no)
2942     ;;
2943   esac ],
2944   AC_MSG_RESULT(no)
2945 )
2946
2947 ########################################################
2948 # Compile with LDAP support?
2949
2950 with_ldap_support=auto
2951 AC_MSG_CHECKING([for LDAP support])
2952
2953 AC_ARG_WITH(ldap,
2954 [AS_HELP_STRING([--with-ldap], [LDAP support (default yes)])],
2955 [ case "$withval" in
2956     yes|no)
2957         with_ldap_support=$withval
2958         ;;
2959   esac ])
2960
2961 AC_MSG_RESULT($with_ldap_support)
2962
2963 SMBLDAP=""
2964 AC_SUBST(SMBLDAP)
2965 SMBLDAPUTIL=""
2966 AC_SUBST(SMBLDAPUTIL)
2967 LDBLDAP=""
2968 AC_SUBST(LDBLDAP)
2969
2970 if test x"$with_ldap_support" != x"no"; then
2971
2972   ##################################################################
2973   # first test for ldap.h and lber.h
2974   # (ldap.h is required for this test)
2975   AC_CHECK_HEADERS(ldap.h lber.h)
2976
2977   if test x"$ac_cv_header_ldap_h" != x"yes"; then
2978         if test x"$with_ldap_support" = x"yes"; then
2979          AC_MSG_ERROR(ldap.h is needed for LDAP support)
2980         else
2981          AC_MSG_WARN(ldap.h is needed for LDAP support)
2982         fi
2983         
2984         with_ldap_support=no
2985   fi
2986
2987   ##################################################################
2988   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
2989   # unsigned int in include/includes.h
2990   case $host_os in
2991         *hpux*)
2992          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
2993          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
2994         with_ldap_support=yes
2995         ;;
2996         *)
2997         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
2998         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
2999                 if test x"$with_ldap_support" = x"yes"; then
3000                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3001                 else
3002                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3003                 fi
3004                 with_ldap_support=no
3005         fi
3006         ;;
3007   esac
3008 fi
3009
3010 if test x"$with_ldap_support" != x"no"; then
3011   ac_save_LIBS=$LIBS
3012
3013   ##################################################################
3014   # we might need the lber lib on some systems. To avoid link errors
3015   # this test must be before the libldap test
3016   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3017
3018   ########################################################
3019   # If ber_sockbuf_add_io() is available we can add
3020   # SASL wrapping hooks
3021   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3022
3023   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3024                  AC_TRY_COMPILE([#include <ldap.h>],
3025                                 [int val = LDAP_OPT_SOCKBUF;],
3026                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3027                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3028
3029   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3030           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3031         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3032   fi
3033
3034   #######################################################
3035   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3036   # ldap logging and print it out in the samba logs
3037   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3038                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3039                  [AC_TRY_COMPILE([#include <lber.h>],
3040                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3041                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3042                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3043
3044   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3045         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3046                   [Support for LDAP/LBER logging interception])
3047   fi
3048
3049   ########################################################
3050   # now see if we can find the ldap libs in standard paths
3051   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3052
3053   ########################################################
3054   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3055   # Check found in pam_ldap 145.
3056   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3057
3058   LIBS="$LIBS $LDAP_LIBS"
3059   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3060     AC_TRY_COMPILE([
3061         #include <lber.h>
3062         #include <ldap.h>],
3063         [ldap_set_rebind_proc(0, 0, 0);],
3064         [smb_ldap_cv_ldap_set_rebind_proc=3],
3065         [smb_ldap_cv_ldap_set_rebind_proc=2]
3066     )
3067   ])
3068
3069   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3070
3071   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3072
3073   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3074     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3075     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3076     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3077     default_shared_modules="$default_shared_modules";
3078     SMBLDAP="lib/smbldap.o"
3079     SMBLDAPUTIL="lib/smbldap_util.o"
3080     with_ldap_support=yes
3081     AC_MSG_CHECKING(whether LDAP support is used)
3082     AC_MSG_RESULT(yes)
3083   else
3084     if test x"$with_ldap_support" = x"yes"; then
3085         AC_MSG_ERROR(libldap is needed for LDAP support)
3086     else
3087         AC_MSG_WARN(libldap is needed for LDAP support)
3088     fi
3089
3090     LDAP_LIBS=""
3091     with_ldap_support=no
3092   fi
3093   LIBS=$ac_save_LIBS
3094 fi
3095
3096
3097 #################################################
3098 # active directory support
3099
3100 with_ads_support=auto
3101 AC_MSG_CHECKING([for Active Directory and krb5 support])
3102
3103 AC_ARG_WITH(ads,
3104 [AS_HELP_STRING([--with-ads], [Active Directory support (default auto)])],
3105 [ case "$withval" in
3106     yes|no)
3107         with_ads_support="$withval"
3108         ;;
3109   esac ])
3110
3111 AC_MSG_RESULT($with_ads_support)
3112
3113 FOUND_KRB5=no
3114 KRB5_LIBS=""
3115
3116 if test x"$with_ldap_support" != x"yes"; then
3117
3118     if test x"$with_ads_support" = x"yes"; then
3119         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3120     elif test x"$with_ads_support" = x"auto"; then
3121         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3122         with_ads_support=no
3123     fi
3124
3125 else
3126
3127     # Check to see whether there is enough LDAP functionality to be able
3128     # to build AD support.
3129
3130 # HPUX only has ldap_init; ok, we take care of this in smbldap.c
3131 case "$host_os" in
3132         *hpux*)
3133     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3134
3135     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3136         if test x"$with_ads_support" = x"yes"; then
3137             AC_MSG_ERROR(Active Directory support on HPUX requires ldap_init)
3138         elif test x"$with_ads_support" = x"auto"; then
3139             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX))
3140             with_ads_support=no
3141         fi
3142     fi
3143     ;;
3144         *)
3145     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3146
3147     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3148         if test x"$with_ads_support" = x"yes"; then
3149             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3150         elif test x"$with_ads_support" = x"auto"; then
3151             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3152             with_ads_support=no
3153         fi
3154     fi
3155     ;;
3156 esac
3157
3158
3159     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3160
3161     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3162         if test x"$with_ads_support" = x"yes"; then
3163             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3164         elif test x"$with_ads_support" = x"auto"; then
3165             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3166             with_ads_support=no
3167         fi
3168     fi
3169
3170 fi
3171
3172 if test x"$with_ads_support" != x"no"; then
3173
3174   # Do no harm to the values of CFLAGS and LIBS while testing for
3175   # Kerberos support.
3176
3177   if test x$FOUND_KRB5 = x"no"; then
3178     #################################################
3179     # check for location of Kerberos 5 install
3180     AC_MSG_CHECKING(for kerberos 5 install path)
3181     AC_ARG_WITH(krb5,
3182     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3183     [ case "$withval" in
3184       no)
3185         AC_MSG_RESULT(no krb5-path given)
3186         ;;
3187       yes)
3188         AC_MSG_RESULT(/usr)
3189         FOUND_KRB5=yes
3190         ;;
3191       *)
3192         AC_MSG_RESULT($withval)
3193         KRB5_CFLAGS="-I$withval/include"
3194         KRB5_CPPFLAGS="-I$withval/include"
3195         KRB5_LDFLAGS="-L$withval/lib"
3196         FOUND_KRB5=yes
3197         if test -x "$withval/bin/krb5-config"; then
3198                 KRB5CONFIG=$withval/bin/krb5-config
3199         fi
3200         ;;
3201       esac ],
3202       AC_MSG_RESULT(no krb5-path given)
3203     )
3204   fi
3205
3206   #################################################
3207   # check for krb5-config from recent MIT and Heimdal kerberos 5
3208   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3209   AC_MSG_CHECKING(for working krb5-config)
3210   if test -x "$KRB5CONFIG" && $KRB5CONFIG --libs gssapi > /dev/null ; then
3211     ac_save_CFLAGS=$CFLAGS
3212     CFLAGS="";export CFLAGS
3213     ac_save_LDFLAGS=$LDFLAGS
3214     LDFLAGS="";export LDFLAGS
3215     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3216     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3217     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3218     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3219     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3220     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3221     FOUND_KRB5=yes
3222     AC_MSG_RESULT(yes)
3223   else
3224     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3225   fi
3226
3227   if test x$FOUND_KRB5 = x"no"; then
3228     #################################################
3229     # see if this box has the SuSE location for the heimdal krb implementation
3230     AC_MSG_CHECKING(for /usr/include/heimdal)
3231     if test -d /usr/include/heimdal; then
3232       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3233           KRB5_CFLAGS="-I/usr/include/heimdal"
3234           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3235           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3236           FOUND_KRB5=yes
3237           AC_MSG_RESULT(yes)
3238       else
3239           KRB5_CFLAGS="-I/usr/include/heimdal"
3240           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3241           FOUND_KRB5=yes
3242           AC_MSG_RESULT(yes)
3243       fi
3244     else
3245       AC_MSG_RESULT(no)
3246     fi
3247   fi
3248
3249   if test x$FOUND_KRB5 = x"no"; then
3250     #################################################
3251     # see if this box has the RedHat location for kerberos
3252     AC_MSG_CHECKING(for /usr/kerberos)
3253     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3254       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3255       KRB5_CFLAGS="-I/usr/kerberos/include"
3256       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3257       FOUND_KRB5=yes
3258       AC_MSG_RESULT(yes)
3259     else
3260       AC_MSG_RESULT(no)
3261     fi
3262   fi
3263
3264   if test x$FOUND_KRB5 = x"no"; then
3265     #################################################
3266     # see if this box has the OpenBSD location for heimdal krb5
3267     AC_MSG_CHECKING(for /usr/include/kerberosV)
3268     if test -d /usr/include/kerberosV; then
3269       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3270       KRB5_LIBS="-lcrypto"
3271       FOUND_KRB5=yes
3272       AC_MSG_RESULT(yes)
3273     else
3274       AC_MSG_RESULT(no)
3275     fi
3276   fi
3277
3278   ac_save_CFLAGS=$CFLAGS
3279   ac_save_CPPFLAGS=$CPPFLAGS
3280   ac_save_LDFLAGS=$LDFLAGS
3281
3282   # remove needless evil rpath stuff as early as possible:
3283   LIB_REMOVE_USR_LIB(KRB5_LIBS)
3284   LIB_REMOVE_USR_LIB(KRB5_LDFLAGS)
3285   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3286   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3287   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3288
3289   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3290
3291   # now check for krb5.h. Some systems have the libraries without the headers!
3292   # note that this check is done here to allow for different kerberos
3293   # include paths
3294   AC_CHECK_HEADERS(krb5.h)
3295
3296   if test x"$ac_cv_header_krb5_h" = x"no"; then
3297
3298     # Give a warning if AD support was not explicitly requested,
3299     # i.e with_ads_support = auto, otherwise die with an error.
3300
3301     if test x"$with_ads_support" = x"yes"; then
3302       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3303     else
3304       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3305     fi
3306
3307     # Turn off AD support and restore CFLAGS and LIBS variables
3308
3309     with_ads_support="no"
3310
3311     CFLAGS=$ac_save_CFLAGS
3312     CPPFLAGS=$ac_save_CPPFLAGS
3313     LDFLAGS=$ac_save_LDFLAGS
3314   fi
3315   AC_CHECK_HEADERS(krb5/locate_plugin.h)
3316   if test x"$ac_cv_header_krb5_locate_plugin_h" = x"yes"; then
3317         WINBIND_KRB5_LOCATOR="bin/winbind_krb5_locator.$SHLIBEXT"
3318         EXTRA_ALL_TARGETS="$EXTRA_ALL_TARGETS $WINBIND_KRB5_LOCATOR"
3319   fi
3320 fi
3321
3322 # Now we have determined whether we really want ADS support
3323 use_ads=no
3324 if test x"$with_ads_support" != x"no"; then
3325   use_ads=yes
3326   have_gssapi=no
3327   ac_save_LIBS=$LIBS
3328
3329   # now check for gssapi headers.  This is also done here to allow for
3330   # different kerberos include paths
3331   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h com_err.h)
3332
3333   ##################################################################
3334   # we might need the k5crypto and com_err libraries on some systems
3335   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3336   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3337
3338   # Heimdal checks.
3339   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3340   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3341   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3342
3343   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3344   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3345
3346   ########################################################
3347   # now see if we can find the krb5 libs in standard paths
3348   # or as specified above
3349   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3350   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3351
3352   ########################################################
3353   # now see if we can find the gssapi libs in standard paths
3354   if test x"$have_gssapi" != x"yes"; then
3355      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3356   fi
3357
3358   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3359   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3360   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3361   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3362   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3363   AC_CHECK_FUNC_EXT(krb5_use_enctype, $KRB5_LIBS)
3364   AC_CHECK_FUNC_EXT(krb5_string_to_key, $KRB5_LIBS)
3365   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3366   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3367   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3368   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3369   AC_CHECK_FUNC_EXT(krb5_locate_kdc, $KRB5_LIBS)
3370   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3371   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3372   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3373   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3374   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3375   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3376   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3377   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3378   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3379   AC_CHECK_FUNC_EXT(krb5_c_enctype_compare, $KRB5_LIBS)
3380   AC_CHECK_FUNC_EXT(krb5_enctypes_compatible_keys, $KRB5_LIBS)
3381   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3382   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3383   AC_CHECK_FUNC_EXT(krb5_decode_ap_req, $KRB5_LIBS)
3384   AC_CHECK_FUNC_EXT(free_AP_REQ, $KRB5_LIBS)
3385   AC_CHECK_FUNC_EXT(krb5_verify_checksum, $KRB5_LIBS)
3386   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3387   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3388   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3389   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3390   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3391   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3392   AC_CHECK_FUNC_EXT(krb5_get_kdc_cred, $KRB5_LIBS)
3393   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3394   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3395   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3396   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3397   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3398   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3399   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3400   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3401
3402   LIBS="$KRB5_LIBS $LIBS"
3403
3404   AC_CACHE_CHECK(whether krb5_ticket contains kvno and enctype,
3405         smb_krb5_cv_ticket_has_keyinfo,
3406         [
3407             AC_TRY_COMPILE(
3408             [
3409                 #include <krb5.h>
3410             ],
3411             [
3412                 krb5_ticket ticket;
3413                 krb5_kvno kvno;
3414                 krb5_enctype enctype;
3415
3416                 enctype = ticket.enc_part.enctype;
3417                 kvno = ticket.enc_part.kvno;
3418             ],
3419             [ smb_krb5_cv_ticket_has_keyinfo=yes ],
3420             [ smb_krb5_cv_ticket_has_keyinfo=no ])
3421         ])
3422
3423   if test x"$smb_krb5_cv_ticket_has_keyinfo" = x"yes" ; then
3424         AC_DEFINE(KRB5_TICKET_HAS_KEYINFO, 1,
3425             [Whether the krb5_ticket structure contains the kvno and enctype])
3426   fi
3427
3428   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3429           smb_krb5_cv_creds_opt_free_context,
3430           [
3431                 AC_TRY_COMPILE([
3432                     #include <krb5.h>],
3433                     [
3434                         krb5_context ctx;
3435                         krb5_get_init_creds_opt *opt = NULL;
3436                         krb5_get_init_creds_opt_free(ctx, opt);
3437                     ],
3438                     [smb_krb5_cv_creds_opt_free_context=yes],
3439                     [smb_krb5_cv_creds_opt_free_context=no]
3440                 )
3441           ])
3442
3443   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3444         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3445             [Whether krb5_get_init_creds_opt_free takes a context argument])
3446   fi
3447
3448   AC_CACHE_CHECK(whether krb5_verify_checksum takes 7 arguments, smb_krb5_cv_verify_checksum, [
3449     AC_TRY_COMPILE([
3450         #include <krb5.h>],
3451         [krb5_verify_checksum(0, 0, 0, 0, 0, 0, 0);],
3452         [smb_krb5_cv_verify_checksum=7],
3453         [smb_krb5_cv_verify_checksum=6],
3454     )
3455   ])
3456   AC_DEFINE_UNQUOTED(KRB5_VERIFY_CHECKSUM_ARGS, $smb_krb5_cv_verify_checksum, [Number of arguments to krb5_verify_checksum])
3457
3458   AC_CACHE_CHECK([for checksum in krb5_checksum],
3459                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3460     AC_TRY_COMPILE([#include <krb5.h>],
3461       [krb5_checksum cksum; cksum.checksum.length = 0;],
3462       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3463       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3464
3465   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3466     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3467                [Whether the krb5_checksum struct has a checksum property])
3468   fi
3469
3470   AC_CACHE_CHECK([for etype in EncryptedData],
3471                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3472     AC_TRY_COMPILE([#include <krb5.h>],
3473       [EncryptedData edata; edata.etype = 0;],
3474       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3475       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3476
3477   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3478     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3479                [Whether the EncryptedData struct has a etype property])
3480   fi
3481
3482   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3483                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3484     AC_TRY_COMPILE([#include <krb5.h>],
3485       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3486       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3487       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3488
3489   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
3490     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
3491                [Whether the krb5_ap_req struct has a ticket pointer])
3492   fi
3493
3494   AC_CACHE_CHECK([for e_data pointer in krb5_error],
3495                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
3496     AC_TRY_COMPILE([#include <krb5.h>],
3497       [krb5_error err; err.e_data = NULL;],
3498       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
3499       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
3500
3501   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
3502     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
3503                [Whether the krb5_error struct has a e_data pointer])
3504   fi
3505
3506   AC_CACHE_CHECK([for krb5_crypto type],
3507                 samba_cv_HAVE_KRB5_CRYPTO,[
3508     AC_TRY_COMPILE([#include <krb5.h>],
3509       [krb5_crypto crypto;],
3510       samba_cv_HAVE_KRB5_CRYPTO=yes,
3511       samba_cv_HAVE_KRB5_CRYPTO=no)])
3512
3513   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
3514     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
3515                [Whether the type krb5_crypto exists])
3516   fi
3517
3518   AC_CACHE_CHECK([for krb5_encrypt_block type],
3519                 samba_cv_HAVE_KRB5_ENCRYPT_BLOCK,[
3520     AC_TRY_COMPILE([#include <krb5.h>],
3521       [krb5_encrypt_block block;],
3522       samba_cv_HAVE_KRB5_ENCRYPT_BLOCK=yes,
3523       samba_cv_HAVE_KRB5_ENCRYPT_BLOCK=no)])
3524
3525   if test x"$samba_cv_HAVE_KRB5_ENCRYPT_BLOCK" = x"yes"; then
3526     AC_DEFINE(HAVE_KRB5_ENCRYPT_BLOCK,1,
3527                [Whether the type krb5_encrypt_block exists])
3528   fi
3529
3530   AC_CACHE_CHECK([for addrtype in krb5_address],
3531                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
3532     AC_TRY_COMPILE([#include <krb5.h>],
3533       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
3534       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
3535       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
3536
3537   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
3538     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
3539                [Whether the krb5_address struct has a addrtype property])
3540   fi
3541
3542   AC_CACHE_CHECK([for addr_type in krb5_address],
3543                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
3544     AC_TRY_COMPILE([#include <krb5.h>],
3545       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
3546       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
3547       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
3548
3549   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
3550     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
3551               [Whether the krb5_address struct has a addr_type property])
3552   fi
3553
3554   AC_CACHE_CHECK([for enc_part2 in krb5_ticket],
3555                  samba_cv_HAVE_KRB5_TKT_ENC_PART2,
3556                  [AC_TRY_COMPILE([#include <krb5.h>],
3557     [krb5_ticket tkt; tkt.enc_part2->authorization_data[0]->contents = NULL;],
3558     samba_cv_HAVE_KRB5_TKT_ENC_PART2=yes,samba_cv_HAVE_KRB5_TKT_ENC_PART2=no)])
3559
3560   if test x"$samba_cv_HAVE_KRB5_TKT_ENC_PART2" = x"yes"; then
3561     AC_DEFINE(HAVE_KRB5_TKT_ENC_PART2,1,
3562               [Whether the krb5_ticket struct has a enc_part2 property])
3563   fi
3564
3565   AC_CACHE_CHECK([for keyblock in krb5_creds],
3566                  samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS,[
3567     AC_TRY_COMPILE([#include <krb5.h>],
3568       [krb5_creds creds; krb5_keyblock kb; creds.keyblock = kb;],
3569       samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS=yes,
3570       samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS=no)])
3571
3572   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS" = x"yes"; then
3573     AC_DEFINE(HAVE_KRB5_KEYBLOCK_IN_CREDS,1,
3574               [Whether the krb5_creds struct has a keyblock property])
3575   fi
3576
3577   AC_CACHE_CHECK([for session in krb5_creds],
3578                  samba_cv_HAVE_KRB5_SESSION_IN_CREDS,[
3579     AC_TRY_COMPILE([#include <krb5.h>],
3580       [krb5_creds creds; krb5_keyblock kb; creds.session = kb;],
3581       samba_cv_HAVE_KRB5_SESSION_IN_CREDS=yes,
3582       samba_cv_HAVE_KRB5_SESSION_IN_CREDS=no)])
3583
3584   if test x"$samba_cv_HAVE_KRB5_SESSION_IN_CREDS" = x"yes"; then
3585     AC_DEFINE(HAVE_KRB5_SESSION_IN_CREDS,1,
3586               [Whether the krb5_creds struct has a session property])
3587   fi
3588
3589   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
3590                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
3591     AC_TRY_COMPILE([#include <krb5.h>],
3592       [krb5_keyblock key; key.keyvalue.data = NULL;],
3593       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
3594       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
3595
3596   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
3597     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
3598               [Whether the krb5_keyblock struct has a keyvalue property])
3599   fi
3600
3601   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
3602                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
3603     AC_TRY_COMPILE([#include <krb5.h>],
3604       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
3605       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
3606       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
3607   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
3608                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
3609     AC_TRY_COMPILE([#include <krb5.h>],
3610       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
3611       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
3612       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
3613 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
3614 # w.r.t. arcfour and windows, so we must not enable it here
3615   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
3616           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
3617     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
3618               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type is available])
3619   fi
3620
3621   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
3622                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
3623     AC_TRY_COMPILE([#include <krb5.h>],
3624       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
3625       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
3626       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
3627
3628   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
3629     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
3630               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
3631   fi
3632
3633   AC_CACHE_CHECK([for KV5M_KEYTAB],
3634                  samba_cv_HAVE_KV5M_KEYTAB,[
3635     AC_TRY_COMPILE([#include <krb5.h>],
3636       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
3637       samba_cv_HAVE_KV5M_KEYTAB=yes,
3638       samba_cv_HAVE_KV5M_KEYTAB=no)])
3639
3640   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
3641       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
3642              [Whether the KV5M_KEYTAB option is available])
3643   fi
3644
3645   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
3646                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
3647     AC_TRY_COMPILE([#include <krb5.h>],
3648       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
3649       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
3650       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
3651
3652   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
3653     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
3654               [Whether KRB5_KU_OTHER_CKSUM is available])
3655   fi
3656
3657   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
3658                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
3659     AC_TRY_COMPILE([#include <krb5.h>],
3660       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
3661       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
3662       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
3663
3664   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
3665     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
3666               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
3667   fi
3668
3669   AC_CACHE_CHECK([for the krb5_princ_component macro],
3670                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
3671     AC_TRY_LINK([#include <krb5.h>],
3672       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
3673       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
3674       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
3675
3676   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
3677     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
3678                [Whether krb5_princ_component is available])
3679   fi
3680
3681   AC_CACHE_CHECK([for key in krb5_keytab_entry],
3682                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
3683     AC_TRY_COMPILE([#include <krb5.h>],
3684       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
3685       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
3686       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
3687
3688   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
3689     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
3690               [Whether krb5_keytab_entry has key member])
3691   fi
3692
3693   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
3694                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
3695     AC_TRY_COMPILE([#include <krb5.h>],
3696       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
3697       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
3698       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
3699
3700   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
3701     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
3702               [Whether krb5_keytab_entry has keyblock member])
3703   fi
3704
3705   AC_CACHE_CHECK([for magic in krb5_address],
3706                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
3707     AC_TRY_COMPILE([#include <krb5.h>],
3708       [krb5_address addr; addr.magic = 0;],
3709       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
3710       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
3711
3712   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
3713     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
3714               [Whether the krb5_address struct has a magic property])
3715   fi
3716
3717   AC_CACHE_CHECK([for WRFILE: keytab support],
3718                 samba_cv_HAVE_WRFILE_KEYTAB,[
3719     AC_TRY_RUN([
3720 #include<krb5.h>
3721   main()
3722   {
3723     krb5_context context;
3724     krb5_keytab keytab;
3725
3726     krb5_init_context(&context);
3727     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
3728   }],
3729   samba_cv_HAVE_WRFILE_KEYTAB=yes,
3730   samba_cv_HAVE_WRFILE_KEYTAB=no)])
3731
3732   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
3733       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
3734                [Whether the WRFILE:-keytab is supported])
3735   fi
3736
3737   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
3738                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
3739     AC_TRY_COMPILE([#include <krb5.h>],
3740     [
3741     krb5_context context;
3742     krb5_principal principal;
3743     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
3744     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
3745     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
3746
3747   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
3748     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
3749               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
3750   fi
3751
3752   AC_CACHE_CHECK([for krb5_addresses type],
3753                 samba_cv_HAVE_KRB5_ADDRESSES,[
3754     AC_TRY_COMPILE([#include <krb5.h>],