Add a gpfs_prefetch module
[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
24 AC_LIBREPLACE_CC_CHECKS
25
26 m4_include(lib/talloc/libtalloc.m4)
27
28 TALLOC_OBJS=""
29 for obj in ${TALLOC_OBJ}; do
30         TALLOC_OBJS="${TALLOC_OBJS} ${tallocdir}/${obj}"
31 done
32 AC_SUBST(TALLOC_OBJS)
33
34 # TODO: These should come from m4_include(lib/tdb/libtdb.m4)
35 # but currently this fails: things have to get merged from s4.
36 tdbdir="lib/tdb"
37 AC_SUBST(tdbdir)
38 TDB_CFLAGS="-I${srcdir-.}/$tdbdir/include"
39 AC_SUBST(TDB_CFLAGS)
40 TDB_OBJ="common/tdb.o common/dump.o common/transaction.o common/error.o common/traverse.o"
41 TDB_OBJ="$TDB_OBJ common/freelist.o common/freelistcheck.o common/io.o common/lock.o common/open.o"
42 AC_SUBST(TDB_OBJ)
43
44 TDB_OBJS=""
45 for obj in ${TDB_OBJ}; do
46         TDB_OBJS="${TDB_OBJS} ${tdbdir}/${obj}"
47 done
48 AC_SUBST(TDB_OBJS)
49
50 SAMBA_CPPFLAGS="-Iinclude -I${srcdir-.}/include  -I. -I${srcdir-.}"
51 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/lib/replace"
52 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
53 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
54 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/libaddns"
55 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/librpc"
56
57 SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/popt"
58
59 ## cleanup the $(srcdir) in the Makefile if we are outside of the tree
60 if test "x${srcdir-.}" != "x."; then
61         SAMBA_CPPFLAGS=`echo ${SAMBA_CPPFLAGS} | sed -e "s;${srcdir};\$\(srcdir\);g"`
62 fi
63
64 dnl Unique-to-Samba variables we'll be playing with.
65 AC_SUBST(SAMBA_CPPFLAGS)
66 AC_SUBST(SHELL)
67 AC_SUBST(LDSHFLAGS)
68 AC_SUBST(SONAMEFLAG)
69 AC_SUBST(SHLD)
70 AC_SUBST(MODULE_EXPORTS)
71 AC_SUBST(DSO_EXPORTS)
72 AC_SUBST(HOST_OS)
73 AC_SUBST(PICFLAG)
74 AC_SUBST(PIE_CFLAGS)
75 AC_SUBST(PIE_LDFLAGS)
76 AC_SUBST(RELRO_LDFLAGS)
77 AC_SUBST(SHLIBEXT)
78 AC_SUBST(INSTALLLIBCMD_SH)
79 AC_SUBST(INSTALLLIBCMD_A)
80 AC_SUBST(UNINSTALLLIBCMD_SH)
81 AC_SUBST(UNINSTALLLIBCMD_A)
82
83 AC_SUBST(INSTALL_LIBWBCLIENT)
84 AC_SUBST(UNINSTALL_LIBWBCLIENT)
85 AC_SUBST(LIBWBCLIENT_SHARED_TARGET)
86 AC_SUBST(LIBWBCLIENT_SHARED)
87 AC_SUBST(LIBWBCLIENT_STATIC_TARGET)
88 AC_SUBST(LIBWBCLIENT_STATIC)
89 AC_SUBST(LIBWBCLIENT_SOVER)
90 AC_SUBST(LIBWBCLIENT)
91 AC_SUBST(WINBIND_LIBS)
92
93 AC_SUBST(LIBSAMBAUTIL_SHARED)
94
95 AC_SUBST(PRINT_LIBS)
96 AC_SUBST(AUTH_LIBS)
97 AC_SUBST(ACL_LIBS)
98 AC_SUBST(PASSDB_LIBS)
99 AC_SUBST(IDMAP_LIBS)
100 AC_SUBST(KRB5_LIBS)
101 AC_SUBST(UUID_LIBS)
102 AC_SUBST(LDAP_LIBS)
103 AC_SUBST(GPEXT_LIBS)
104 AC_SUBST(PAM_MODULES)
105 AC_SUBST(INSTALL_PAM_MODULES)
106 AC_SUBST(UNINSTALL_PAM_MODULES)
107 AC_SUBST(NSS_MODULES)
108 AC_SUBST(EXTRA_BIN_PROGS)
109 AC_SUBST(CIFSMOUNT_PROGS)
110 AC_SUBST(INSTALL_CIFSMOUNT)
111 AC_SUBST(UNINSTALL_CIFSMOUNT)
112 AC_SUBST(CIFSUPCALL_PROGS)
113 AC_SUBST(INSTALL_CIFSUPCALL)
114 AC_SUBST(UNINSTALL_CIFSUPCALL)
115 AC_SUBST(EXTRA_SBIN_PROGS)
116 AC_SUBST(EXTRA_ALL_TARGETS)
117 AC_SUBST(CONFIG_LIBS)
118 AC_SUBST(NSCD_LIBS)
119
120 # compile with optimization and without debugging by default, but
121 # allow people to set their own preference.
122 # do this here since AC_CACHE_CHECK apparently sets the CFLAGS to "-g -O2"
123 # if it has no value.  This prevent *very* large debug binaries from occurring
124 # by default.
125 if test "x$CFLAGS" = x; then
126   CFLAGS="-O"
127 fi
128 if test "x$debug" = "xyes" ; then
129         CFLAGS="${CFLAGS} -g"
130 else
131         CFLAGS="-O"
132 fi
133
134 CFLAGS="${CFLAGS} -D_SAMBA_BUILD_=3"
135
136 m4_include(lib/socket_wrapper/config.m4)
137 m4_include(lib/nss_wrapper/config.m4)
138
139 m4_include(m4/swat.m4)
140
141 # Probe the gcc version for extra CFLAGS. We always stash these in
142 # DEVELOPER_CFLAGS, so that you can turn them on and off with a simple
143 # Makefile edit, avoiding the need to re-run configure.
144 if test x"$ac_cv_prog_gcc" = x"yes" ; then
145         DEVELOPER_CFLAGS="-g -Wall -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -DDEBUG_PASSWORD -DDEVELOPER"
146         # Add -Wdeclaration-after-statement if compiler supports it
147         AC_CACHE_CHECK(
148           [that the C compiler understands -Wdeclaration-after-statement],
149           samba_cv_HAVE_Wdeclaration_after_statement, [
150           AC_TRY_RUN_STRICT([
151             int main(void)
152             {
153                 return 0;
154             }],[-Wdeclaration-after-statement],[$CPPFLAGS],[$LDFLAGS],
155             samba_cv_HAVE_Wdeclaration_after_statement=yes,
156             samba_cv_HAVE_Wdeclaration_after_statement=no,
157             samba_cv_HAVE_Wdeclaration_after_statement=cross)
158        ])
159
160         if test x"$samba_cv_HAVE_Wdeclaration_after_statement" = x"yes"; then
161             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Wdeclaration-after-statement"
162         fi
163
164         #-Werror-implicit-function-declaration
165         AC_CACHE_CHECK(
166           [that the C compiler understands -Werror-implicit-function-declaration],
167           samba_cv_HAVE_Werror_implicit_function_declaration, [
168           AC_TRY_RUN_STRICT([
169             int main(void)
170             {
171                 return 0;
172             }],[-Werror-implicit-function-declaration],[$CPPFLAGS],[$LDFLAGS],
173             samba_cv_HAVE_Werror_implicit_function_declaration=yes,
174             samba_cv_HAVE_Werror_implicit_function_declaration=no,
175             samba_cv_HAVE_Werror_implicit_function_declaration=cross)
176        ])
177        if test x"$samba_cv_HAVE_Werror_implicit_function_declaration" = x"yes"; then
178             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Werror-implicit-function-declaration"
179        fi
180
181         # krb5developer is like developer, except we don't get
182         # -Wstrict-prototypes.
183        if test x"$krb5_developer" != x"$yes" ; then
184             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Wstrict-prototypes"
185        fi
186
187        if test x"$picky_developer" = x"yes"; then
188             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Werror"
189        fi
190 fi
191
192 AC_ARG_ENABLE(dmalloc, [AS_HELP_STRING([--enable-dmalloc], [Enable heap debugging [default=no]])])
193
194 if test "x$enable_dmalloc" = xyes
195 then
196         AC_DEFINE(ENABLE_DMALLOC, 1, [Define to turn on dmalloc debugging])
197         AC_DEFINE(DMALLOC_FUNC_CHECK, 1,
198                   [Define to check invariants around some common functions])
199         LIBS="$LIBS -ldmalloc"  
200 fi
201
202 #################################################
203 # check for a shared memory profiling support
204 AC_MSG_CHECKING(whether to use profiling)
205 AC_ARG_WITH(profiling-data,
206 [AS_HELP_STRING([--with-profiling-data], [Include gathering source code profile information (default=no)])],
207 [ case "$withval" in
208   yes)
209     AC_MSG_RESULT(yes)
210     AC_DEFINE(WITH_PROFILE,1,[Whether to use profiling])
211     samba_cv_WITH_PROFILE=yes
212     ;;
213   *)
214     AC_MSG_RESULT(no)
215     samba_cv_WITH_PROFILE=no
216     ;;
217   esac ],
218   AC_MSG_RESULT(no)
219 )
220
221 dnl Checks for programs.
222
223 AC_PROG_INSTALL
224 AC_PROG_AWK
225 AC_PATH_PROG(PERL, perl)
226
227 AC_CHECK_TOOL(AR, ar)
228
229 dnl Check if we use GNU ld
230 LD=ld
231 AC_PROG_LD_GNU
232
233 dnl Certain versions of GNU ld the default is not to have the
234 dnl --allow-shlib-undefined flag defined.  This causes a stackload of
235 dnl warnings when building modules.
236 if test "$ac_cv_prog_gnu_ld" = "yes"; then
237         ac_cv_gnu_ld_version=`$LD -v 2>/dev/null | head -1`
238         AC_MSG_CHECKING(GNU ld release date)
239         changequote(,)dnl
240         ac_cv_gnu_ld_date=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
241         changequote([,])dnl
242         AC_MSG_RESULT(${ac_cv_gnu_ld_date})
243         if test -n "$ac_cv_gnu_ld_date"; then
244         if test "$ac_cv_gnu_ld_date" -lt 20030217; then
245                 ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
246         fi
247         if test "$ac_cv_gnu_ld_date" -gt 20030101; then
248                 ac_cv_gnu_ld_version_script=yes
249         fi
250         else
251            AC_MSG_CHECKING(GNU ld release version)
252            changequote(,)dnl
253            ac_cv_gnu_ld_vernr=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([1-9][0-9]*\.[0-9][0-9]*\).*$,\1,p'`
254            ac_cv_gnu_ld_vernr_major=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 1`
255            ac_cv_gnu_ld_vernr_minor=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 2`
256            changequote([,])dnl
257            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr})
258            AC_MSG_CHECKING(GNU ld release version major)
259            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_major})
260            AC_MSG_CHECKING(GNU ld release version minor)
261            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_minor})
262            if test "$ac_cv_gnu_ld_vernr_major" -lt 2 || test "$ac_cv_gnu_ld_vernr_minor" -lt 14; then
263              ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
264            fi
265            if test "$ac_cv_gnu_ld_vernr_major" -gt 2 || test "$ac_cv_gnu_l= d_vernr_major"=2 && test "$ac_cv_gnu_ld_vernr_minor" -ge 12; then
266              ac_cv_gnu_ld_version_script=yes
267            fi
268         fi
269 fi
270
271 dnl look for executable suffix
272 AC_EXEEXT
273
274 dnl Check if C compiler understands -c and -o at the same time
275 AC_PROG_CC_C_O
276 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
277       BROKEN_CC=
278 else
279       BROKEN_CC=#
280 fi
281 AC_SUBST(BROKEN_CC)
282
283 dnl Check if the C compiler understands -Werror
284 AC_CACHE_CHECK([that the C compiler understands -Werror],samba_cv_HAVE_Werror, [
285  AC_TRY_RUN_STRICT([
286   int main(void)
287   {
288         return 0;
289   }],[-Werror],[$CPPFLAGS],[$LDFLAGS],
290   samba_cv_HAVE_Werror=yes,samba_cv_HAVE_Werror=no,samba_cv_HAVE_Werror=cross)])
291 if test x"$samba_cv_HAVE_Werror" = x"yes"; then
292    Werror_FLAGS="-Werror"
293 else
294 dnl Check if the C compiler understands -w2
295 AC_CACHE_CHECK([that the C compiler understands -w2],samba_cv_HAVE_w2, [
296  AC_TRY_RUN_STRICT([
297   int main(void)
298   {
299         return 0;
300   }],[-w2],[$CPPFLAGS],[$LDFLAGS],
301   samba_cv_HAVE_w2=yes,samba_cv_HAVE_w2=no,samba_cv_HAVE_w2=cross)])
302 if test x"$samba_cv_HAVE_w2" = x"yes"; then
303    Werror_FLAGS="-w2"
304 else
305 dnl Check if the C compiler understands -errwarn
306 AC_CACHE_CHECK([that the C compiler understands -errwarn],samba_cv_HAVE_errwarn, [
307   AC_TRY_RUN_STRICT([
308    int main(void)
309    {
310         return 0;
311    }],[-errwarn=%all],[$CPPFLAGS],[$LDFLAGS],
312    samba_cv_HAVE_errwarn=yes,samba_cv_HAVE_errwarn=no,samba_cv_HAVE_errwarn=cross)])
313 if test x"$samba_cv_HAVE_errwarn" = x"yes"; then
314    Werror_FLAGS="-errwarn=%all"
315 fi
316 fi
317 fi
318
319 dnl Check if the C compiler understands volatile (it should, being ANSI).
320 AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [
321     AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
322         samba_cv_volatile=yes,samba_cv_volatile=no)])
323 if test x"$samba_cv_volatile" = x"yes"; then
324    AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
325 fi
326
327 ############################################
328 # check if the compiler can handle negative enum values
329 # and don't truncate the values to INT_MAX
330 # a runtime test is needed here
331 AC_SUBST(PIDL_ARGS)
332 AC_CACHE_CHECK([that the C compiler understands negative enum values],samba_cv_CC_NEGATIVE_ENUM_VALUES, [
333     AC_TRY_RUN(
334 [
335         #include <stdio.h>
336         enum negative_values { NEGATIVE_VALUE = 0xFFFFFFFF };
337         int main(void) {
338                 enum negative_values v1 = NEGATIVE_VALUE;
339                 unsigned v2 = NEGATIVE_VALUE;
340
341                 if (v1 != 0xFFFFFFFF) {
342                         printf("%u != 0xFFFFFFFF\n", v1);
343                         return 1;
344                 }
345                 if (v2 != 0xFFFFFFFF) {
346                         printf("%u != 0xFFFFFFFF\n", v2);
347                         return 1;
348                 }
349
350                 return 0;
351         }
352 ],
353         samba_cv_CC_NEGATIVE_ENUM_VALUES=yes,samba_cv__CC_NEGATIVE_ENUM_VALUES=no)])
354 if test x"$samba_cv_CC_NEGATIVE_ENUM_VALUES" != x"yes"; then
355         AC_MSG_WARN([using --unit-enums for pidl])
356         PIDL_ARGS="$PIDL_ARGS --uint-enums"
357 fi
358
359 dnl Figure out the flags to support named structure initializers
360
361 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_ERROR([c99 structure initializer are not supported])])
362
363 UNAME_S=`(uname -s) 2>/dev/null` || UNAME_S="unknown"
364 AC_MSG_CHECKING(uname -s)
365 AC_MSG_RESULT(${UNAME_S})
366
367 UNAME_R=`(uname -r) 2>/dev/null` || UNAME_R="unknown"
368 AC_MSG_CHECKING(uname -r)
369 AC_MSG_RESULT(${UNAME_R})
370
371 UNAME_M=`(uname -m) 2>/dev/null` || UNAME_M="unknown"
372 AC_MSG_CHECKING(uname -m)
373 AC_MSG_RESULT(${UNAME_M})
374
375 UNAME_P=`(uname -p) 2>/dev/null` || UNAME_P="unknown"
376 AC_MSG_CHECKING(uname -p)
377 AC_MSG_RESULT(${UNAME_P})
378
379 UNAME_I=`(uname -i) 2>/dev/null` || UNAME_I="unknown"
380 AC_MSG_CHECKING(uname -i)
381 AC_MSG_RESULT(${UNAME_I})
382
383 dnl Add #include for broken IRIX header files
384   case "$host_os" in
385         *irix6*)
386                 #TODO add to libreplace
387                 if test x"$ac_cv_prog_gcc" != x"yes" ; then
388                         dnl Fix sensible defaults for MIPSPro compilers. The
389                         dnl error numbers are valid for the 7.3 compilers,
390                         dnl hopefully also valid for the 7.4 series.
391                         dnl
392                         dnl Bugzilla 3801. Force an error on warning 1035
393                         dnl so we don't incorrectly detect stdint.h. This
394                         dnl warning is emitted for #error directives.
395                         CFLAGS="$CFLAGS -diag_error 1035"
396                         dnl 1209: Controlling expression is constant
397                         dnl 1174: Function foo declared but never referenced
398                         dnl 3201: Parameter foo was never referenced
399                         CFLAGS="$CFLAGS -woff 1209,1174,3201"
400                 fi
401         ;;
402 esac
403
404 DYNEXP=
405 AC_SUBST(DYNEXP)
406
407 dnl Add modules that have to be built by default here
408 dnl These have to be built static:
409 default_static_modules="pdb_smbpasswd pdb_tdbsam rpc_lsarpc rpc_samr rpc_winreg rpc_initshutdown rpc_dssetup rpc_wkssvc rpc_svcctl2 rpc_ntsvcs2 rpc_netlogon rpc_netdfs rpc_srvsvc rpc_spoolss rpc_eventlog2 auth_sam auth_unix auth_winbind auth_server auth_domain auth_builtin vfs_default nss_info_template"
410
411 dnl These are preferably build shared, and static if dlopen() is not available
412 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"
413
414 if test "x$developer" = xyes; then
415    default_static_modules="$default_static_modules rpc_rpcecho"
416    default_shared_modules="$default_shared_modules charset_weird"
417 fi
418
419 #
420 # Config CPPFLAG settings for strange OS's that must be set
421 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
422 # case statement; its first reference must be unconditional.
423 #
424 case "$host_os" in
425     *hpux*)
426 #
427 # Defines needed for HPUX support.
428 # HPUX has bigcrypt but (sometimes?) doesn't use it for
429 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
430 #
431       case `uname -r` in
432                 *9*|*10*|*11)
433                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
434                 ;;
435       esac
436       ;;
437
438 #
439 # CRAY Unicos has broken const handling
440        *unicos*)
441           AC_MSG_RESULT([disabling const])
442           CPPFLAGS="$CPPFLAGS -Dconst="
443           ;;
444         
445 #
446 # AIX4.x doesn't even admit to having large
447 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
448 #
449     *aix4*)
450           AC_MSG_RESULT([enabling large file support])
451       CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
452           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
453       ;;
454 #
455 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
456 # to the existance of large files..
457 # Note that -D_LARGEFILE64_SOURCE is different from the Sun
458 # recommendations on large file support, however it makes the
459 # compile work using gcc 2.7 and 2.8, whereas using the Sun
460 # recommendation makes the compile fail on gcc2.7. JRA.
461 #
462 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
463 #
464         *solaris*)
465                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
466                 case `uname -r` in
467                         5.0|5.0.*|5.1|5.1.*|5.2|5.2.*|5.3|5.3.*|5.5|5.5.*)
468                                 AC_MSG_RESULT([no large file support])
469                                 ;;
470                         5.*)
471                         AC_MSG_RESULT([enabling large file support])
472                         if test "$ac_cv_prog_gcc" = yes; then
473                                 ${CC-cc} -v >conftest.c 2>&1
474                                 ac_cv_gcc_compiler_version_number=`grep 'gcc version' conftest.c`
475                                 rm -fr conftest.c
476                                 case "$ac_cv_gcc_compiler_version_number" in
477                                         *"gcc version 2.6"*|*"gcc version 2.7"*)
478                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE -D_REENTRANT"
479                                                 LDFLAGS="$LDFLAGS -lthread"
480                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
481                                                 ;;
482                                         *)
483                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_REENTRANT -D_FILE_OFFSET_BITS=64"
484                                                 LDFLAGS="$LDFLAGS -lthread"
485                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
486                                                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
487                                                 ;;
488                                 esac
489                         else
490                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_REENTRANT -D_FILE_OFFSET_BITS=64"
491                                 LDFLAGS="$LDFLAGS -lthread"
492                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
493                                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
494                         fi
495                         ;;
496                 esac
497                 ;;
498 #
499 # IRIX uses SYSV printing.  Make sure to set that here
500 #
501         *irix*)
502                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
503                 ;;
504         *freebsd*|*dragonfly*)
505                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
506                 ;;
507 #
508 # VOS may need to have POSIX support and System V compatibility enabled.
509 #
510     *vos*)
511     case "$CPPFLAGS" in
512           *-D_POSIX_C_SOURCE*)
513                 ;;
514           *)
515                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
516                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
517                 ;;
518     esac
519     case "$CPPFLAGS" in
520           *-D_SYSV*|*-D_SVID_SOURCE*)
521                 ;;
522           *)
523                 CPPFLAGS="$CPPFLAGS -D_SYSV"
524                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
525     esac
526     ;;
527 #
528 # Tests needed for SINIX large file support.
529 #
530     *sysv4*)
531       if test $host = mips-sni-sysv4 ; then
532         AC_MSG_CHECKING([for LFS support])
533         old_CPPFLAGS="$CPPFLAGS"
534         CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
535         AC_TRY_RUN([
536 #include <unistd.h>
537 main () {
538 #if _LFS64_LARGEFILE == 1
539 exit(0);
540 #else
541 exit(1);
542 #endif
543 }], [SINIX_LFS_SUPPORT=yes], [SINIX_LFS_SUPPORT=no], [SINIX_LFS_SUPPORT=cross])
544         CPPFLAGS="$old_CPPFLAGS"
545         if test x$SINIX_LFS_SUPPORT = xyes ; then
546           CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
547                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
548           CFLAGS="`getconf LFS64_CFLAGS` $CFLAGS"
549           LDFLAGS="`getconf LFS64_LDFLAGS` $LDFLAGS"
550           LIBS="`getconf LFS64_LIBS` $LIBS"
551         fi
552       AC_MSG_RESULT([$SINIX_LFS_SUPPORT])
553       fi
554     ;;
555
556 # Tests for linux LFS support. Need kernel 2.4 and glibc2.2 or greater support.
557 #
558     *linux*)
559         AC_MSG_CHECKING([for LFS support])
560         old_CPPFLAGS="$CPPFLAGS"
561         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
562        AC_TRY_RUN([
563 #include <unistd.h>
564 #include <sys/utsname.h>
565 #include <string.h>
566 #include <stdlib.h>
567 main() {
568 #if _LFS64_LARGEFILE == 1
569        struct utsname uts;
570        char *release;
571        int major, minor;
572
573        /* Ensure this is glibc 2.2 or higher */
574 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
575        int libc_major = __GLIBC__;
576        int libc_minor = __GLIBC_MINOR__;
577
578        if (libc_major < 2)
579               exit(1);
580        if (libc_minor < 2)
581               exit(1);
582 #endif
583
584        /* Ensure this is kernel 2.4 or higher */
585
586        uname(&uts);
587        release = strdup(uts.release);
588        major = atoi(strsep(&release, "."));
589        minor = atoi(strsep(&release, "."));
590
591        if (major > 2 || (major == 2 && minor > 3))
592                exit(0);
593        exit(1);
594 #else
595        exit(1);
596 #endif
597 }
598 ], [LINUX_LFS_SUPPORT=yes], [LINUX_LFS_SUPPORT=no], [LINUX_LFS_SUPPORT=cross])
599         CPPFLAGS="$old_CPPFLAGS"
600         if test x$LINUX_LFS_SUPPORT = xyes ; then
601                 CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
602                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
603                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
604                 AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
605         fi
606         AC_MSG_RESULT([$LINUX_LFS_SUPPORT])
607         ;;
608
609 #
610 # MacOS X is the *only* system that uses compose character in utf8. This
611 # is so horribly broken....
612 #
613     *darwin*)
614         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
615
616 # Add a system specific charset module.
617         default_shared_modules="$default_shared_modules charset_macosxfs"
618
619         ;;
620     *hurd*)
621         AC_MSG_CHECKING([for LFS support])
622         old_CPPFLAGS="$CPPFLAGS"
623         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
624         AC_TRY_RUN([
625 #include <unistd.h>
626 main () {
627 #if _LFS64_LARGEFILE == 1
628 exit(0);
629 #else
630 exit(1);
631 #endif
632 }], [GLIBC_LFS_SUPPORT=yes], [GLIBC_LFS_SUPPORT=no], [GLIBC_LFS_SUPPORT=cross])
633         CPPFLAGS="$old_CPPFLAGS"
634         if test x$GLIBC_LFS_SUPPORT = xyes ; then
635           CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
636                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
637           AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
638         fi
639       AC_MSG_RESULT([$GLIBC_LFS_SUPPORT])
640     ;;
641
642 esac
643
644 SAVE_CPPFLAGS="${CPPFLAGS}"
645 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
646
647 AC_LIBREPLACE_BROKEN_CHECKS
648 AC_LIBREPLACE_NETWORK_CHECKS
649
650 CPPFLAGS="${SAVE_CPPFLAGS}"
651
652 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
653
654 LIBREPLACE_OBJS=""
655 for obj in ${LIBREPLACEOBJ}; do
656         LIBREPLACE_OBJS="${LIBREPLACE_OBJS} ${LIBREPLACE_DIR}/${obj}"
657 done
658 AC_SUBST(LIBREPLACE_OBJS)
659
660 # add -ldl to the global LIBS
661 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
662
663 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
664 AC_CHECK_HEADERS(unistd.h utime.h grp.h sys/id.h memory.h alloca.h)
665 AC_CHECK_HEADERS(limits.h float.h pthread.h)
666 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
667 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h)
668 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
669 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
670 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
671 AC_CHECK_HEADERS(sys/sysmacros.h)
672 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
673 AC_CHECK_HEADERS(langinfo.h locale.h)
674 AC_CHECK_HEADERS(xfs/libxfs.h)
675 AC_CHECK_HEADERS(netgroup.h)
676
677 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
678 #if HAVE_RPC_RPC_H
679 #include <rpc/rpc.h>
680 #endif
681 ]])
682
683 ## These fail to compile on IRIX so just check for their presence
684 AC_CHECK_HEADERS(sys/mode.h,,,)
685
686 # Look for Darwin headers
687 old_CPPFLAGS="$CPPFLAGS"
688 CPPFLAGS="-Iinclude $CPPFLAGS"
689 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
690 CPPFLAGS="$old_CPPFLAGS"
691
692 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
693 # subdirectory of headers.
694 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
695
696 # check for linux on amd64 since valgrind is not quite there yet
697 case "$host_os" in
698         *linux*)
699                 case "$UNAME_P" in
700                         *x86_64*)
701                                 AC_DEFINE(HAVE_64BIT_LINUX,1,[Whether we are running on 64bit linux])
702                                 ;;
703                 esac
704                 ;;
705 esac
706
707
708 #
709 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
710 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
711 #
712 case "$host_os" in
713     *hpux*)
714                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
715                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
716                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
717                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
718                 fi
719         ;;
720 esac
721 AC_CHECK_HEADERS(shadow.h)
722 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
723 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
724
725 AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h sys/extattr.h sys/uio.h)
726 AC_CHECK_HEADERS(sys/ea.h sys/proplist.h)
727
728 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
729
730 # For experimental utmp support (lastlog on some BSD-like systems)
731 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
732
733 AC_CHECK_SIZEOF(int,cross)
734 AC_CHECK_SIZEOF(long,cross)
735 AC_CHECK_SIZEOF(long long,cross)
736 AC_CHECK_SIZEOF(short,cross)
737
738 AC_C_CONST
739 AC_C_INLINE
740 AC_C_BIGENDIAN
741 AC_C_CHAR_UNSIGNED
742
743 AC_TYPE_SIGNAL
744 AC_TYPE_UID_T
745 AC_TYPE_MODE_T
746 AC_TYPE_OFF_T
747 AC_TYPE_SIZE_T
748 AC_TYPE_PID_T
749 AC_STRUCT_ST_RDEV
750 AC_DIRENT_D_OFF
751 AC_CHECK_TYPE(ssize_t, int)
752 AC_CHECK_TYPE(wchar_t, unsigned short)
753
754 ############################################
755 # for cups support we need libcups, and a handful of header files
756
757 AC_ARG_ENABLE(cups,
758 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
759
760 if test x$enable_cups != xno; then
761         AC_PATH_PROG(CUPS_CONFIG, cups-config)
762
763         if test "x$CUPS_CONFIG" != x; then
764
765                 ac_save_CFLAGS=$CFLAGS
766                 ac_save_LDFLAGS=$LDFLAGS
767                 ac_save_PRINT_LIBS=$PRINT_LIBS
768                 CFLAGS="$CFLAGS `$CUPS_CONFIG --cflags`"
769                 LDFLAGS="$LDFLAGS `$CUPS_CONFIG --ldflags`"
770                 PRINT_LIBS="$PRINT_LIBS `$CUPS_CONFIG --libs`"
771                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
772                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
773                         x"$ac_cv_header_cups_language_h" = xyes; then
774                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
775                         samba_cv_HAVE_CUPS=yes
776                 else
777                         AC_MSG_WARN([cups-config around but cups-devel not installed])
778                         CFLAGS=$ac_save_CFLAGS
779                         LDFLAGS=$ac_save_LDFLAGS
780                         PRINT_LIBS=$ac_save_PRINT_LIBS
781                 fi
782
783         elif test x"$enable_cups" = x"yes"; then
784                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
785         fi
786 fi
787
788 AC_ARG_ENABLE(iprint,
789 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
790
791 if test x$enable_iprint != xno; then
792         if test x"$samba_cv_HAVE_CUPS" = xyes; then
793                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
794         elif test x"$enable_iprint" = x"yes"; then
795                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
796         fi
797 fi
798
799 ############################################
800 # check if the compiler will optimize out function calls
801 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
802     AC_TRY_LINK([
803 #include <stdio.h>],
804 [
805                 if (0) {
806                    this_function_does_not_exist();
807                 } else {
808                   return 1;
809                 }
810
811 ],
812         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
813 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
814    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
815 fi
816
817 #############################################
818 # check for fd passing struct via msg_control
819 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
820     AC_TRY_COMPILE([
821 #include <sys/types.h>
822 #include <stdlib.h>
823 #include <stddef.h>
824 #include <sys/socket.h>
825 #include <sys/un.h>],
826 [
827         struct msghdr msg;
828         union {
829               struct cmsghdr cm;
830               char control[CMSG_SPACE(sizeof(int))];
831         } control_un;
832         msg.msg_control = control_un.control;
833         msg.msg_controllen = sizeof(control_un.control);
834 ],
835         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
836 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
837    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
838              [If we can use msg_control for passing file descriptors])
839 fi
840
841 #############################################
842 # check for fd passing struct via msg_acctrights
843 AC_CACHE_CHECK([for fd passing via msg_acctrights],
844                 samba_cv_msghdr_msg_acctrights, [
845     AC_TRY_COMPILE([
846 #include <sys/types.h>
847 #include <stdlib.h>
848 #include <stddef.h>
849 #include <sys/socket.h>
850 #include <sys/un.h>],
851 [
852         struct msghdr msg;
853         int fd;
854         msg.msg_acctrights = (caddr_t) &fd;
855         msg.msg_acctrightslen = sizeof(fd);
856 ],
857         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
858 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
859    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
860              [If we can use msg_acctrights for passing file descriptors])
861 fi
862
863 AC_CHECK_FUNCS(dirfd)
864 if test x"$ac_cv_func_dirfd" = x"yes"; then
865         default_shared_modules="$default_shared_modules vfs_syncops"
866 fi
867
868 AC_CACHE_CHECK([for sig_atomic_t type],samba_cv_sig_atomic_t, [
869     AC_TRY_COMPILE([
870 #include <sys/types.h>
871 #if STDC_HEADERS
872 #include <stdlib.h>
873 #include <stddef.h>
874 #endif
875 #include <signal.h>],[sig_atomic_t i = 0],
876         samba_cv_sig_atomic_t=yes,samba_cv_sig_atomic_t=no)])
877 if test x"$samba_cv_sig_atomic_t" = x"yes"; then
878    AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
879 fi
880
881 AC_CACHE_CHECK([for struct timespec type],samba_cv_struct_timespec, [
882     AC_TRY_COMPILE([
883 #include <sys/types.h>
884 #if STDC_HEADERS
885 #include <stdlib.h>
886 #include <stddef.h>
887 #endif
888 #if TIME_WITH_SYS_TIME
889 # include <sys/time.h>
890 # include <time.h>
891 #else
892 # if HAVE_SYS_TIME_H
893 #  include <sys/time.h>
894 # else
895 #  include <time.h>
896 # endif
897 #endif
898 ],[struct timespec ts;],
899         samba_cv_struct_timespec=yes,samba_cv_struct_timespec=no)])
900 if test x"$samba_cv_struct_timespec" = x"yes"; then
901    AC_DEFINE(HAVE_STRUCT_TIMESPEC,1,[Whether we have struct timespec])
902 fi
903
904 # stupid headers have the functions but no declaration. grrrr.
905 AC_HAVE_DECL(errno, [#include <errno.h>])
906 AC_HAVE_DECL(setresuid, [#include <unistd.h>])
907 AC_HAVE_DECL(setresgid, [#include <unistd.h>])
908
909 # and glibc has setresuid under linux but the function does
910 # nothing until kernel 2.1.44! very dumb.
911 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
912     AC_TRY_RUN([#include <errno.h>
913 main() { setresuid(1,1,1); setresuid(2,2,2); exit(errno==EPERM?0:1);}],
914         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
915 if test x"$samba_cv_have_setresuid" = x"yes"; then
916     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
917 fi
918
919 # Do the same check for setresguid...
920 #
921 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
922     AC_TRY_RUN([#include <unistd.h>
923 #include <errno.h>
924 main() { errno = 0; setresgid(1,1,1); exit(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
925         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
926 if test x"$samba_cv_have_setresgid" = x"yes"; then
927     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
928 fi
929
930 AC_FUNC_MEMCMP
931
932 ###############################################
933 # Readline included by default unless explicitly asked not to
934 test "${with_readline+set}" != "set" && with_readline=yes
935
936 # test for where we get readline() from
937 AC_MSG_CHECKING(whether to use readline)
938 AC_ARG_WITH(readline,
939 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
940 [  case "$with_readline" in
941   yes)
942     AC_MSG_RESULT(yes)
943
944     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
945     AC_CHECK_HEADERS(readline/history.h)
946
947     AC_CHECK_HEADERS(readline.h readline/readline.h,[
948       for termlib in ncurses curses termcap terminfo termlib tinfo; do
949        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
950       done
951       AC_CHECK_LIB(readline, rl_callback_handler_install,
952        [TERMLIBS="-lreadline $TERMLIBS"
953        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
954        break], [TERMLIBS=], $TERMLIBS)])
955     ;;
956   no)
957     AC_MSG_RESULT(no)
958     ;;
959   *)
960     AC_MSG_RESULT(yes)
961
962     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
963     # alternate readline path
964     _ldflags=${LDFLAGS}
965     _cppflags=${CPPFLAGS}
966
967     # Add additional search path
968     LDFLAGS="-L$with_readline/lib $LDFLAGS"
969     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
970
971     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
972     AC_CHECK_HEADERS(readline/history.h)
973
974     AC_CHECK_HEADERS(readline.h readline/readline.h,[
975       for termlib in ncurses curses termcap terminfo termlib; do
976        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
977       done
978       AC_CHECK_LIB(readline, rl_callback_handler_install,
979        [TERMLDFLAGS="-L$with_readline/lib"
980        TERMCPPFLAGS="-I$with_readline/include"
981        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
982        TERMLIBS="-lreadline $TERMLIBS"
983        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
984        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
985
986     LDFLAGS=$_ldflags
987     ;;
988   esac],
989   AC_MSG_RESULT(no)
990 )
991 AC_SUBST(TERMLIBS)
992 AC_SUBST(TERMLDFLAGS)
993
994 # The readline API changed slightly from readline3 to readline4, so
995 # code will generate warnings on one of them unless we have a few
996 # special cases.
997 AC_CHECK_LIB(readline, rl_completion_matches,
998              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
999                         [Do we have rl_completion_matches?])],
1000              [],
1001              [$TERMLIBS])
1002
1003 # not all readline libs have rl_event_hook or history_list
1004 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
1005 AC_CHECK_LIB(readline, history_list,
1006              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
1007              [],
1008              [$TERMLIBS])
1009
1010 ###############################################
1011 # test for where we get yp_get_default_domain() from
1012 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
1013 AC_CHECK_FUNCS(yp_get_default_domain)
1014
1015 # Check if we have execl, if not we need to compile smbrun.
1016 AC_CHECK_FUNCS(execl)
1017 if test x"$ac_cv_func_execl" = x"no"; then
1018     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun\$(EXEEXT)"
1019 fi
1020
1021 AC_CHECK_FUNCS(waitpid getcwd strdup strndup strnlen strerror chown fchown lchown chmod fchmod chroot link mknod mknod64)
1022 AC_CHECK_FUNCS(strtol strtoll strtoul strtoull strtouq __strtoull)
1023 AC_CHECK_FUNCS(fstat strchr utime utimes chflags)
1024 AC_CHECK_FUNCS(getrlimit fsync fdatasync memset strlcpy strlcat setpgid)
1025 AC_CHECK_FUNCS(memmove setsid glob strpbrk pipe crypt16 getauthuid)
1026 AC_CHECK_FUNCS(strftime sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
1027 AC_CHECK_FUNCS(initgroups select poll rdchk getgrnam getgrent pathconf realpath)
1028 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups sysconf mktime rename ftruncate chsize stat64 fstat64)
1029 AC_CHECK_FUNCS(lstat64 fopen64 atexit grantpt dup2 lseek64 ftruncate64)
1030 AC_CHECK_FUNCS(fseek64 fseeko64 ftell64 ftello64 setluid getpwanam setlinebuf)
1031 AC_CHECK_FUNCS(opendir64 readdir64 seekdir64 telldir64 rewinddir64 closedir64)
1032 AC_CHECK_FUNCS(getpwent_r)
1033 AC_CHECK_FUNCS(getdents getdents64)
1034 AC_CHECK_FUNCS(srandom random srand rand setenv usleep strcasecmp fcvt fcvtl symlink readlink)
1035 AC_CHECK_FUNCS(syslog vsyslog timegm)
1036 AC_CHECK_FUNCS(setlocale nl_langinfo)
1037 AC_CHECK_FUNCS(nanosleep)
1038 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
1039 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
1040 AC_CHECK_HEADERS(sys/mman.h)
1041 # setbuffer, shmget, shm_open are needed for smbtorture
1042 AC_CHECK_FUNCS(setbuffer shmget shm_open)
1043
1044 # Find a method of generating a stack trace
1045 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
1046 AC_CHECK_FUNCS(backtrace_symbols)
1047 AC_CHECK_LIB(exc, trace_back_stack)
1048
1049 printf "%s" "checking for GPFS GPL libs... "
1050 save_LIBS="$LIBS"
1051 LIBS="$LIBS -lgpfs_gpl"
1052 AC_TRY_LINK([#include <gpfs_gpl.h>],
1053           [gpfs_set_share(0,GPFS_SHARE_READ,GPFS_DENY_NONE)],
1054           samba_cv_HAVE_GPFS=yes,
1055           samba_cv_HAVE_GPFS=no)
1056 echo $samba_cv_HAVE_GPFS
1057 if test x"$samba_cv_HAVE_GPFS" = x"yes"; then
1058     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL libs are available])
1059     default_shared_modules="$default_shared_modules vfs_gpfs vfs_gpfs_prefetch"
1060 fi
1061 LIBS="$save_LIBS"
1062
1063 # Note that all the libunwind symbols in the API are defined to internal
1064 # platform-specific version, so we must include libunwind.h before checking
1065 # any of them.
1066 AC_MSG_CHECKING([for libunwind])
1067 save_LIBS=$LIBS
1068
1069 UNWIND_ARCH="unknown"
1070 if test x"$UNAME_I" != x"unknown"; then
1071         UNWIND_ARCH="$UNAME_I"
1072 elif test x"$UNAME_M" != x"unknown"; then
1073         UNWIND_ARCH="$UNAME_M"
1074 elif test x"$UNAME_P" != x"unknown"; then
1075         UNWIND_ARCH="$UNAME_P"
1076 fi
1077
1078 case "$UNWIND_ARCH" in
1079         unknown)
1080                 # This probably won't link without
1081                 # the platform-specific libunwind.
1082                 LIBS="$LIBS -lunwind"
1083                 ;;
1084         i386|i586|i686)
1085                 # Add the platform-specific libunwind module.
1086                 LIBS="$LIBS -lunwind -lunwind-x86"
1087                 ;;
1088         *)
1089                 # Add the platform-specific libunwind module.
1090                 # based on uname -i, uname -m or uname -p
1091                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1092                 ;;
1093 esac
1094
1095 AC_TRY_LINK(
1096     [
1097 #ifdef HAVE_LIBUNWIND_H
1098 #include <libunwind.h>
1099 #endif
1100     ],
1101     [
1102         unw_context_t ctx; unw_cursor_t cur;
1103         char buf[256]; unw_word_t off;
1104         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1105         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1106     ],
1107     [
1108         AC_MSG_RESULT(yes)
1109         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1110
1111         # If we have libunwind, test whether we also have libunwind-ptrace
1112         # which would let us unwind arbitrary processes.
1113         save_LIBS=$LIBS
1114         AC_CHECK_HEADERS(libunwind-ptrace.h)
1115         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1116             [
1117                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1118                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1119                     [Whether libunwind-ptrace.a is available.])
1120             ],
1121             [ LIBUNWIND_PTRACE="" ])
1122
1123         LIBS=$save_LIBS
1124     ],
1125     [
1126         AC_MSG_RESULT(no)
1127         LIBS=$save_LIBS
1128     ])
1129
1130 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1131 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1132     AC_CHECK_HEADERS(sys/ptrace.h)
1133     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1134     AC_TRY_LINK(
1135             [
1136 #if HAVE_SYS_TYPES_H
1137 #include <sys/types.h>
1138 #endif
1139 #if HAVE_SYS_PTRACE_H
1140 #include <sys/ptrace.h>
1141 #endif
1142             ],
1143             [
1144                 int main(int argc, const char ** argv)
1145                 {
1146                         pid_t me = (pid_t)-1;
1147                         ptrace(PTRACE_ATTACH, me, 0, 0);
1148                         ptrace(PTRACE_DETACH, me, 0, 0);
1149                         return 0;
1150                 }
1151             ],
1152             [
1153                 AC_MSG_RESULT(yes)
1154                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1155                     [Whether the Linux ptrace(2) interface is available.])
1156             ],
1157             [
1158                 AC_MSG_RESULT(no)
1159                 LIBUNWIND_PTRACE=""
1160             ])
1161 fi
1162
1163 AC_SUBST(LIBUNWIND_PTRACE)
1164
1165 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1166 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1167 AC_CHECK_FUNCS(__getcwd _getcwd)
1168 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1169 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1170 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1171 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1172 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1173 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1174 AC_CHECK_FUNCS(_stat64 __stat64 _fstat64 __fstat64 _lstat64 __lstat64)
1175 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek readdir64 _readdir64 __readdir64)
1176 AC_CHECK_FUNCS(pread _pread __pread pread64 _pread64 __pread64)
1177 AC_CHECK_FUNCS(pwrite _pwrite __pwrite pwrite64 _pwrite64 __pwrite64)
1178 AC_CHECK_FUNCS(open64 _open64 __open64 creat64)
1179 AC_CHECK_FUNCS(prctl)
1180
1181 AC_TRY_COMPILE([
1182 #ifdef HAVE_SYS_PRCTL_H
1183 #include <sys/prctl.h>
1184 #endif
1185 ],
1186 [int i; i = prtcl(0); ],
1187 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1188
1189 #
1190 #
1191 #
1192 case "$host_os" in
1193     *linux*)
1194        # glibc <= 2.3.2 has a broken getgrouplist
1195        AC_TRY_RUN([
1196 #include <unistd.h>
1197 #include <sys/utsname.h>
1198 main() {
1199        /* glibc up to 2.3 has a broken getgrouplist */
1200 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1201        int libc_major = __GLIBC__;
1202        int libc_minor = __GLIBC_MINOR__;
1203
1204        if (libc_major < 2)
1205               exit(1);
1206        if ((libc_major == 2) && (libc_minor <= 3))
1207               exit(1);
1208 #endif
1209        exit(0);
1210 }
1211 ], [linux_getgrouplist_ok=yes], [linux_getgrouplist_ok=no])
1212        if test x"$linux_getgrouplist_ok" = x"yes"; then
1213           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1214        fi
1215        ;;
1216     *)
1217        AC_CHECK_FUNCS(getgrouplist)
1218        ;;
1219 esac
1220
1221 #
1222 # stat64 family may need <sys/stat.h> on some systems, notably ReliantUNIX
1223 #
1224
1225 if test x$ac_cv_func_stat64 = xno ; then
1226   AC_MSG_CHECKING([for stat64 in <sys/stat.h>])
1227   AC_TRY_LINK([
1228 #if defined(HAVE_UNISTD_H)
1229 #include <unistd.h>
1230 #endif
1231 #include <sys/stat.h>
1232 ], [struct stat64 st64; exit(stat64(".",&st64));], [ac_cv_func_stat64=yes])
1233   AC_MSG_RESULT([$ac_cv_func_stat64])
1234   if test x$ac_cv_func_stat64 = xyes ; then
1235     AC_DEFINE(HAVE_STAT64,1,[Whether stat64() is available])
1236   fi
1237 fi
1238
1239 if test x$ac_cv_func_lstat64 = xno ; then
1240   AC_MSG_CHECKING([for lstat64 in <sys/stat.h>])
1241   AC_TRY_LINK([
1242 #if defined(HAVE_UNISTD_H)
1243 #include <unistd.h>
1244 #endif
1245 #include <sys/stat.h>
1246 ], [struct stat64 st64; exit(lstat64(".",&st64));], [ac_cv_func_lstat64=yes])
1247   AC_MSG_RESULT([$ac_cv_func_lstat64])
1248   if test x$ac_cv_func_lstat64 = xyes ; then
1249     AC_DEFINE(HAVE_LSTAT64,[Whether lstat64() is available])
1250   fi
1251 fi
1252
1253 if test x$ac_cv_func_fstat64 = xno ; then
1254   AC_MSG_CHECKING([for fstat64 in <sys/stat.h>])
1255   AC_TRY_LINK([
1256 #if defined(HAVE_UNISTD_H)
1257 #include <unistd.h>
1258 #endif
1259 #include <sys/stat.h>
1260 ], [struct stat64 st64; exit(fstat64(0,&st64));], [ac_cv_func_fstat64=yes])
1261   AC_MSG_RESULT([$ac_cv_func_fstat64])
1262   if test x$ac_cv_func_fstat64 = xyes ; then
1263     AC_DEFINE(HAVE_FSTAT64,1,[Whether fstat64() is available])
1264   fi
1265 fi
1266
1267 #################################################
1268 # Check whether struct stat has timestamps with sub-second resolution.
1269 # At least IRIX and Solaris have these.
1270 #
1271 # We check that
1272 #       all of st_mtim, st_atim and st_ctim exist
1273 #       all of the members are in fact of type struct timespec
1274 #
1275 # There is some conflicting standards weirdness about whether we should use
1276 # "struct timespec" or "timespec_t". Linux doesn't have timespec_t, so we
1277 # prefer struct timespec.
1278
1279 AC_CACHE_CHECK([whether struct stat has sub-second timestamps], samba_cv_stat_hires,
1280     [
1281         AC_TRY_COMPILE(
1282             [
1283 #if TIME_WITH_SYS_TIME
1284 # include <sys/time.h>
1285 # include <time.h>
1286 #else
1287 # if HAVE_SYS_TIME_H
1288 #  include <sys/time.h>
1289 # else
1290 #  include <time.h>
1291 # endif
1292 #endif
1293 #ifdef HAVE_SYS_STAT_H
1294 #include <sys/stat.h>
1295 #endif
1296             ],
1297             [
1298                 struct timespec t;
1299                 struct stat s = {0};
1300                 t.tv_sec = s.st_mtim.tv_sec;
1301                 t.tv_nsec = s.st_mtim.tv_nsec;
1302                 t.tv_sec = s.st_ctim.tv_sec;
1303                 t.tv_nsec = s.st_ctim.tv_nsec;
1304                 t.tv_sec = s.st_atim.tv_sec;
1305                 t.tv_nsec = s.st_atim.tv_nsec;
1306             ],
1307             samba_cv_stat_hires=yes, samba_cv_stat_hires=no)
1308     ])
1309
1310 if test x"$samba_cv_stat_hires" = x"yes" ; then
1311     AC_DEFINE(HAVE_STAT_ST_MTIM, 1, [whether struct stat contains st_mtim])
1312     AC_DEFINE(HAVE_STAT_ST_ATIM, 1, [whether struct stat contains st_atim])
1313     AC_DEFINE(HAVE_STAT_ST_CTIM, 1, [whether struct stat contains st_ctim])
1314     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1315             [whether struct stat has sub-second timestamps])
1316 fi
1317
1318 AC_CACHE_CHECK([whether struct stat has sub-second timestamps without struct timespec], samba_cv_stat_hires_notimespec,
1319     [
1320         AC_TRY_COMPILE(
1321             [
1322 #if TIME_WITH_SYS_TIME
1323 # include <sys/time.h>
1324 # include <time.h>
1325 #else
1326 # if HAVE_SYS_TIME_H
1327 #  include <sys/time.h>
1328 # else
1329 #  include <time.h>
1330 # endif
1331 #endif
1332 #ifdef HAVE_SYS_STAT_H
1333 #include <sys/stat.h>
1334 #endif
1335             ],
1336             [
1337                 struct timespec t;
1338                 struct stat s = {0};
1339                 t.tv_sec = s.st_mtime;
1340                 t.tv_nsec = s.st_mtimensec;
1341                 t.tv_sec = s.st_ctime;
1342                 t.tv_nsec = s.st_ctimensec;
1343                 t.tv_sec = s.st_atime;
1344                 t.tv_nsec = s.st_atimensec;
1345             ],
1346             samba_cv_stat_hires=yes, samba_cv_stat_hires=no)
1347     ])
1348
1349 if test x"$samba_cv_stat_hires_notimespec" = x"yes" ; then
1350     AC_DEFINE(HAVE_STAT_ST_MTIMENSEC, 1, [whether struct stat contains st_mtimensec])
1351     AC_DEFINE(HAVE_STAT_ST_ATIMENSEC, 1, [whether struct stat contains st_atimensec])
1352     AC_DEFINE(HAVE_STAT_ST_CTIMENSEC, 1, [whether struct stat contains st_ctimensec])
1353     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1354             [whether struct stat has sub-second timestamps without struct timespec])
1355 fi
1356
1357 #####################################
1358 # needed for SRV lookups
1359 AC_CHECK_LIB(resolv, dn_expand)
1360 AC_CHECK_LIB(resolv, _dn_expand)
1361 AC_CHECK_LIB(resolv, __dn_expand)
1362
1363 #
1364 # Check for the functions putprpwnam, set_auth_parameters,
1365 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1366 # Needed for OSF1 and HPUX.
1367 #
1368
1369 AC_LIBTESTFUNC(security, putprpwnam)
1370 AC_LIBTESTFUNC(sec, putprpwnam)
1371
1372 AC_LIBTESTFUNC(security, set_auth_parameters)
1373 AC_LIBTESTFUNC(sec, set_auth_parameters)
1374
1375 # UnixWare 7.x has its getspnam in -lgen
1376 AC_LIBTESTFUNC(gen, getspnam)
1377
1378 AC_LIBTESTFUNC(security, getspnam)
1379 AC_LIBTESTFUNC(sec, getspnam)
1380
1381 AC_LIBTESTFUNC(security, bigcrypt)
1382 AC_LIBTESTFUNC(sec, bigcrypt)
1383
1384 AC_LIBTESTFUNC(security, getprpwnam)
1385 AC_LIBTESTFUNC(sec, getprpwnam)
1386
1387 AC_CHECK_FUNCS(strsignal)
1388
1389 ############################################
1390 # Check if we have libattr
1391 case "$host_os" in
1392   *osf*)
1393         AC_SEARCH_LIBS(getproplist, [proplist])
1394         AC_CHECK_FUNCS(getproplist fgetproplist setproplist fsetproplist)
1395         AC_CHECK_FUNCS(delproplist fdelproplist add_proplist_entry get_proplist_entry)
1396         AC_CHECK_FUNCS(sizeof_proplist_entry)
1397   ;;
1398   *)
1399         AC_SEARCH_LIBS(getxattr, [attr])
1400         AC_CHECK_FUNCS(getxattr lgetxattr fgetxattr listxattr llistxattr)
1401         AC_CHECK_FUNCS(getea fgetea lgetea listea flistea llistea)
1402         AC_CHECK_FUNCS(removeea fremoveea lremoveea setea fsetea lsetea)
1403         AC_CHECK_FUNCS(flistxattr removexattr lremovexattr fremovexattr)
1404         AC_CHECK_FUNCS(setxattr lsetxattr fsetxattr)
1405         AC_CHECK_FUNCS(attr_get attr_list attr_set attr_remove)
1406         AC_CHECK_FUNCS(attr_getf attr_listf attr_setf attr_removef)
1407   ;;
1408 esac
1409
1410 ########################################################
1411 # Check if attropen() is present if this is Solaris
1412 case "$host_os" in
1413   *solaris*)
1414         AC_CHECK_FUNCS(attropen)
1415   ;;
1416 esac
1417
1418 ########################################################
1419 # Do xattr functions take additional options like on Darwin?
1420 if test x"$ac_cv_func_getxattr" = x"yes" ; then
1421         AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt, [
1422                 old_LIBS=$LIBS
1423                 LIBS="$LIBS $ACL_LIBS"
1424                 AC_TRY_COMPILE([
1425                         #include <sys/types.h>
1426                         #if HAVE_ATTR_XATTR_H
1427                         #include <attr/xattr.h>
1428                         #elif HAVE_SYS_XATTR_H
1429                         #include <sys/xattr.h>
1430                         #endif
1431                 ],[
1432                         getxattr(0, 0, 0, 0, 0, 0);
1433                 ],
1434                 [smb_attr_cv_xattr_add_opt=yes],
1435                 [smb_attr_cv_xattr_add_opt=no;LIBS=$old_LIBS])
1436         ])
1437         if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
1438                 AC_DEFINE(XATTR_ADD_OPT, 1, [xattr functions have additional options])
1439         fi
1440 fi
1441
1442 # Check if we have extattr
1443 case "$host_os" in
1444   *freebsd4* | *dragonfly* )
1445     AC_DEFINE(BROKEN_EXTATTR, 1, [Does extattr API work])
1446     ;;
1447   *)
1448     AC_CHECK_FUNCS(extattr_delete_fd extattr_delete_file extattr_delete_link)
1449     AC_CHECK_FUNCS(extattr_get_fd extattr_get_file extattr_get_link)
1450     AC_CHECK_FUNCS(extattr_list_fd extattr_list_file extattr_list_link)
1451     AC_CHECK_FUNCS(extattr_set_fd extattr_set_file extattr_set_link)
1452     ;;
1453 esac
1454
1455 AC_DISABLE_STATIC
1456 AC_ENABLE_SHARED
1457
1458 # Set defaults
1459 PIE_CFLAGS=""
1460 PIE_LDFLAGS=""
1461 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1462
1463 if test "x$enable_pie" != xno
1464 then
1465         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1466         [
1467                 cat > conftest.c <<EOF
1468 int foo;
1469 main () { return 0;}
1470 EOF
1471                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1472                 then
1473                         samba_cv_fpie=yes
1474                 else
1475                         samba_cv_fpie=no
1476                 fi
1477                 rm -f conftest*
1478         ])
1479         if test x"${samba_cv_fpie}" = x"yes"
1480         then
1481                 PIE_CFLAGS="-fPIE"
1482                 PIE_LDFLAGS="-pie"
1483         fi
1484 fi
1485
1486 # Set defaults
1487 RELRO_LDFLAGS=""
1488 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1489
1490 if test "x$enable_relro" != xno
1491 then
1492         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1493         [
1494                 cat > conftest.c <<EOF
1495 int foo;
1496 main () { return 0;}
1497 EOF
1498                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1499                 then
1500                         samba_cv_relro=yes
1501                 else
1502                         samba_cv_relro=no
1503                 fi
1504                 rm -f conftest*
1505         ])
1506         if test x"${samba_cv_relro}" = x"yes"
1507         then
1508                 RELRO_LDFLAGS="-Wl,-z,relro"
1509         fi
1510 fi
1511
1512 # Set defaults
1513 SYMSEXT="syms"
1514 AC_SUBST(SYMSEXT)
1515
1516 # Assume non-shared by default and override below
1517 BLDSHARED="false"
1518
1519 # these are the defaults, good for lots of systems
1520 HOST_OS="$host_os"
1521 LDSHFLAGS="-shared"
1522 MODULE_EXPORTS=""
1523 SONAMEFLAG="#"
1524 SHLD="\${CC} \${CFLAGS}"
1525 PICFLAG="${PIE_CFLAGS}"
1526 SHLIBEXT="so"
1527 DSO_EXPORTS=""
1528
1529 # this bit needs to be modified for each OS that supports share libs
1530 # You need to specify how to create a shared library and
1531   # how to compile C code to produce PIC object files
1532
1533   AC_MSG_CHECKING([ability to build shared libraries])
1534
1535   # and these are for particular systems
1536   case "$host_os" in
1537                 *linux*)   AC_DEFINE(LINUX,1,[Whether the host os is linux])
1538                         BLDSHARED="true"
1539                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1540                                 LDSHFLAGS="-shared -Wl,-Bsymbolic -Wl,--allow-shlib-undefined"
1541                         else
1542                                 LDSHFLAGS="-shared -Wl,-Bsymbolic"
1543                         fi
1544                         DYNEXP="-Wl,--export-dynamic"
1545                         PICFLAG="-fPIC"
1546                         SONAMEFLAG="-Wl,-soname="
1547                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1548                         ;;
1549                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1550                         BLDSHARED="true"
1551                         LDSHFLAGS="-G"
1552                         SONAMEFLAG="-h "
1553                         if test "${GCC}" = "yes"; then
1554                                 PICFLAG="-fPIC"
1555                                 SONAMEFLAG="-Wl,-soname="
1556                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1557                                         DYNEXP="-Wl,-E"
1558                                 fi
1559                         else
1560                                 PICFLAG="-KPIC"
1561                                 ## ${CFLAGS} added for building 64-bit shared
1562                                 ## libs using Sun's Compiler
1563                                 LDSHFLAGS="-G \${CFLAGS}"
1564                         fi
1565                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1566                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1567                         ;;
1568                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1569                         BLDSHARED="true"
1570                         LDSHFLAGS="-G"
1571                         SONAMEFLAG="-Wl,-h,"
1572                         PICFLAG="-KPIC"   # Is this correct for SunOS
1573                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1574                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1575                         ;;
1576                 *netbsd* | *freebsd* | *dragonfly* )
1577                         BLDSHARED="true"
1578                         LDSHFLAGS="-shared"
1579                         DYNEXP="-Wl,--export-dynamic"
1580                         SONAMEFLAG="-Wl,-soname,"
1581                         PICFLAG="-fPIC -DPIC"
1582                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1583                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1584                         ;;
1585                 *openbsd*)  BLDSHARED="true"
1586                         LDSHFLAGS="-shared"
1587                         DYNEXP="-Wl,-Bdynamic"
1588                         SONAMEFLAG="-Wl,-soname,"
1589                         PICFLAG="-fPIC"
1590                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1591                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1592                         ;;
1593                 *irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
1594                         case "$host_os" in
1595                         *irix6*) AC_DEFINE(IRIX6,1,[Whether the host os is irix6])
1596                         ;;
1597                         esac
1598                         BLDSHARED="true"
1599                         LDSHFLAGS="-set_version sgi1.0 -shared"
1600                         SONAMEFLAG="-soname "
1601                         SHLD="\${LD}"
1602                         if test "${GCC}" = "yes"; then
1603                                 PICFLAG="-fPIC"
1604                         else
1605                                 PICFLAG="-KPIC"
1606                         fi
1607                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1608                         ;;
1609                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1610                         BLDSHARED="true"
1611                         # use expfull to export underscored symbols
1612                         # add rtl to remove /lib/crt0.o warning
1613                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1614                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1615                         PICFLAG="-O2"
1616                         # as AIX code is always position independent...
1617                         # .po will just create compile warnings, use po.o:
1618                         if test "${GCC}" != "yes"; then
1619                                 ## for funky AIX compiler using strncpy()
1620                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000"
1621                         fi
1622
1623                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1624                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1625                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1626                         ;;
1627                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1628                         # Use special PIC flags for the native HP-UX compiler.
1629                                 BLDSHARED="true"
1630                                 SHLD="cc"
1631                                 LDSHFLAGS="-b -Wl,-B,symbolic,-b,-z"
1632                                 SONAMEFLAG="-Wl,+h "
1633                                 PICFLAG="+z"
1634                         if test "${GCC}" = "yes"; then
1635                                 PICFLAG="-fPIC"
1636                         else
1637                                 PICFLAG="+z +ESnolit"
1638                         fi
1639                         if test "$host_cpu" = "ia64"; then
1640                                 SHLIBEXT="so"
1641                               PICFLAG="+z"
1642                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32"
1643                         else
1644                                 SHLIBEXT="sl"
1645                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1646                         fi
1647                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1648                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1649                         ;;
1650                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx])
1651                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1652                         ;;
1653                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1654                         BLDSHARED="true"
1655                         LDSHFLAGS="-shared"
1656                         SONAMEFLAG="-Wl,-soname,"
1657                         PICFLAG="-fPIC"
1658                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1659                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1660                         ;;
1661                 *sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
1662                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1663                         ;;
1664                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1665                         BLDSHARED="true"
1666                         LDSHFLAGS="-shared"
1667                         SONAMEFLAG="-Wl,-soname,"
1668                         PICFLAG="-KPIC"
1669                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1670                         ;;
1671                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1672                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1673                         ;;
1674                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1675                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1676                         ;;
1677                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1678                         case "$host" in
1679                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1680                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1681                                         fi
1682                                         LDSHFLAGS="-G"
1683                                         DYNEXP="-Bexport"
1684                                 ;;
1685                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1686                         esac
1687                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1688                         ;;
1689
1690                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1691                         if [ test "$GCC" != yes ]; then
1692                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1693                         fi
1694                         LDSHFLAGS="-G"
1695                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1696                         ;;
1697                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1698                         BLDSHARED="false"
1699                         LDSHFLAGS=""
1700                         ;;
1701
1702                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1703                         BLDSHARED="true"
1704                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1705                         CFLAGS="$CFLAGS -fno-common"
1706                         SHLD="\${CC}"
1707                         SHLIBEXT="dylib"
1708                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1709                         SHLIBEXT="dylib"
1710                         # Since gcc doesn't fail on unrecognised options, the
1711                         # PIE test incorrectly succeeds. Darwin gcc does not
1712                         # actually support the PIE stuff.
1713                         PIE_LDFLAGS=
1714                         PIE_CFLAGS=
1715                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1716                         ;;
1717
1718                 *)
1719                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1720                         ;;
1721   esac
1722
1723 if test "$enable_shared" != "yes"; then
1724         BLDSHARED=false
1725 fi
1726
1727 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1728         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1729 fi
1730
1731 if test x"$BLDSHARED" = x"true" ; then
1732         LDFLAGS="$LDFLAGS -L./bin"
1733 fi
1734
1735 AC_MSG_RESULT($BLDSHARED)
1736
1737 AC_MSG_CHECKING([LDFLAGS])
1738 AC_MSG_RESULT([$LDFLAGS])
1739 AC_MSG_CHECKING([DYNEXP])
1740 AC_MSG_RESULT([$DYNEXP])
1741
1742 #######################################################
1743 # test whether building a shared library actually works
1744 if test $BLDSHARED = true; then
1745
1746 AC_MSG_CHECKING([SHLD])
1747 AC_MSG_RESULT([$SHLD])
1748 AC_MSG_CHECKING([LDSHFLAGS])
1749 AC_MSG_RESULT([$LDSHFLAGS])
1750
1751 AC_MSG_CHECKING([SHLIBEXT])
1752 AC_MSG_RESULT([$SHLIBEXT])
1753 AC_MSG_CHECKING([SONAMEFLAG])
1754 AC_MSG_RESULT([$SONAMEFLAG])
1755
1756 AC_MSG_CHECKING([PICFLAG])
1757 AC_MSG_RESULT([$PICFLAG])
1758
1759 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1760 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1761
1762 AC_CACHE_CHECK([whether building shared libraries actually works],
1763                [ac_cv_shlib_works],[
1764    # try building a trivial shared library
1765    ac_cv_shlib_works=no
1766    # The $SHLD and $LDSHFLAGS variables may contain references to other
1767    # variables so they need to be eval'ed.
1768    $CC $CPPFLAGS $CFLAGS $PICFLAG -c -o \
1769         shlib.o ${srcdir-.}/tests/shlib.c && \
1770    `eval echo $SHLD` `eval echo $LDSHFLAGS` -o "shlib.$SHLIBEXT" \
1771         shlib.o && ac_cv_shlib_works=yes
1772    rm -f "shlib.$SHLIBEXT" shlib.o
1773
1774 ])
1775 if test $ac_cv_shlib_works = no; then
1776    BLDSHARED=false
1777 fi
1778 fi
1779
1780 if test x"$BLDSHARED" != x"true"; then
1781         LDSHFLAGS="shared-libraries-disabled"
1782         SONAMEFLAG="shared-libraries-disabled"
1783         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1784         SHLD="shared-libraries-disabled"
1785         PICFLAG="${PIE_CFLAGS}"
1786         SHLIBEXT="shared_libraries_disabled"
1787 fi
1788
1789 AC_MSG_CHECKING([used PICFLAG])
1790 AC_MSG_RESULT([$PICFLAG])
1791
1792 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
1793
1794 AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
1795
1796 ################
1797
1798 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
1799 AC_TRY_RUN([#include <stdio.h>
1800 main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
1801 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
1802 if test x"$samba_cv_have_longlong" = x"yes"; then
1803     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
1804     AC_CHECK_TYPE(intptr_t, unsigned long long)
1805 else
1806     AC_CHECK_TYPE(intptr_t, unsigned long)
1807 fi
1808
1809 #
1810 # Check if the compiler supports the LL prefix on long long integers.
1811 # AIX needs this.
1812
1813 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
1814     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
1815         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
1816 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
1817    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
1818 fi
1819
1820
1821 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
1822 AC_TRY_RUN([#include <time.h>
1823 main() { exit((sizeof(time_t) == 8) ? 0 : 1); }],
1824 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
1825 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
1826     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
1827 fi
1828
1829 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
1830 AC_TRY_RUN([#include <stdio.h>
1831 #include <sys/stat.h>
1832 main() { exit((sizeof(off_t) == 8) ? 0 : 1); }],
1833 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
1834 if test x"$samba_cv_SIZEOF_OFF_T" = x"yes"; then
1835     AC_DEFINE(SIZEOF_OFF_T,8,[The size of the 'off_t' type])
1836 fi
1837
1838 AC_CACHE_CHECK([for off64_t],samba_cv_HAVE_OFF64_T,[
1839 AC_TRY_RUN([
1840 #if defined(HAVE_UNISTD_H)
1841 #include <unistd.h>
1842 #endif
1843 #include <stdio.h>
1844 #include <sys/stat.h>
1845 main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
1846 samba_cv_HAVE_OFF64_T=yes,samba_cv_HAVE_OFF64_T=no,samba_cv_HAVE_OFF64_T=cross)])
1847 if test x"$samba_cv_HAVE_OFF64_T" = x"yes"; then
1848     AC_DEFINE(HAVE_OFF64_T,1,[Whether off64_t is available])
1849 fi
1850
1851 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
1852 AC_TRY_RUN([
1853 #if defined(HAVE_UNISTD_H)
1854 #include <unistd.h>
1855 #endif
1856 #include <stdio.h>
1857 #include <sys/stat.h>
1858 main() { exit((sizeof(ino_t) == 8) ? 0 : 1); }],
1859 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
1860 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
1861     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
1862 fi
1863
1864 AC_CACHE_CHECK([for ino64_t],samba_cv_HAVE_INO64_T,[
1865 AC_TRY_RUN([
1866 #if defined(HAVE_UNISTD_H)
1867 #include <unistd.h>
1868 #endif
1869 #include <stdio.h>
1870 #include <sys/stat.h>
1871 main() { struct stat64 st; ino64_t s; if (sizeof(ino_t) == sizeof(ino64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
1872 samba_cv_HAVE_INO64_T=yes,samba_cv_HAVE_INO64_T=no,samba_cv_HAVE_INO64_T=cross)])
1873 if test x"$samba_cv_HAVE_INO64_T" = x"yes"; then
1874     AC_DEFINE(HAVE_INO64_T,1,[Whether the 'ino64_t' type is available])
1875 fi
1876
1877 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
1878 AC_TRY_RUN([
1879 #if defined(HAVE_UNISTD_H)
1880 #include <unistd.h>
1881 #endif
1882 #include <stdio.h>
1883 #include <sys/stat.h>
1884 main() { exit((sizeof(dev_t) == 8) ? 0 : 1); }],
1885 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
1886 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
1887     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
1888 fi
1889
1890 AC_CACHE_CHECK([for dev64_t],samba_cv_HAVE_DEV64_T,[
1891 AC_TRY_RUN([
1892 #if defined(HAVE_UNISTD_H)
1893 #include <unistd.h>
1894 #endif
1895 #include <stdio.h>
1896 #include <sys/stat.h>
1897 main() { struct stat64 st; dev64_t s; if (sizeof(dev_t) == sizeof(dev64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
1898 samba_cv_HAVE_DEV64_T=yes,samba_cv_HAVE_DEV64_T=no,samba_cv_HAVE_DEV64_T=cross)])
1899 if test x"$samba_cv_HAVE_DEV64_T" = x"yes"; then
1900     AC_DEFINE(HAVE_DEV64_T,1,[Whether the 'dev64_t' type is available])
1901 fi
1902
1903 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIR64,[
1904 AC_TRY_COMPILE([
1905 #if defined(HAVE_UNISTD_H)
1906 #include <unistd.h>
1907 #endif
1908 #include <sys/types.h>
1909 #include <dirent.h>],
1910 [DIR64 de;],
1911 samba_cv_HAVE_STRUCT_DIR64=yes,samba_cv_HAVE_STRUCT_DIR64=no)])
1912 if test x"$samba_cv_HAVE_STRUCT_DIR64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
1913     AC_DEFINE(HAVE_STRUCT_DIR64,1,[Whether the 'DIR64' abstract data type is available])
1914 fi
1915
1916 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIRENT64,[
1917 AC_TRY_COMPILE([
1918 #if defined(HAVE_UNISTD_H)
1919 #include <unistd.h>
1920 #endif
1921 #include <sys/types.h>
1922 #include <dirent.h>],
1923 [struct dirent64 de;],
1924 samba_cv_HAVE_STRUCT_DIRENT64=yes,samba_cv_HAVE_STRUCT_DIRENT64=no)])
1925 if test x"$samba_cv_HAVE_STRUCT_DIRENT64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
1926     AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Whether the 'dirent64' struct is available])
1927 fi
1928
1929 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
1930 AC_TRY_RUN([
1931 #if defined(HAVE_UNISTD_H)
1932 #include <unistd.h>
1933 #endif
1934 #include <sys/types.h>
1935 main() { dev_t dev; int i = major(dev); return 0; }],
1936 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
1937 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
1938     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
1939 fi
1940
1941 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
1942 AC_TRY_RUN([
1943 #if defined(HAVE_UNISTD_H)
1944 #include <unistd.h>
1945 #endif
1946 #include <sys/types.h>
1947 main() { dev_t dev; int i = minor(dev); return 0; }],
1948 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
1949 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
1950     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
1951 fi
1952
1953 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
1954 AC_TRY_RUN([
1955 #if defined(HAVE_UNISTD_H)
1956 #include <unistd.h>
1957 #endif
1958 #include <sys/types.h>
1959 main() { dev_t dev = makedev(1,2); return 0; }],
1960 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
1961 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
1962     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
1963 fi
1964
1965 AC_CACHE_CHECK([for unsigned char],samba_cv_HAVE_UNSIGNED_CHAR,[
1966 AC_TRY_RUN([#include <stdio.h>
1967 main() { char c; c=250; exit((c > 0)?0:1); }],
1968 samba_cv_HAVE_UNSIGNED_CHAR=yes,samba_cv_HAVE_UNSIGNED_CHAR=no,samba_cv_HAVE_UNSIGNED_CHAR=cross)])
1969 if test x"$samba_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
1970     AC_DEFINE(HAVE_UNSIGNED_CHAR,1,[Whether the 'unsigned char' type is available])
1971 fi
1972
1973 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
1974 AC_TRY_COMPILE([#include <sys/types.h>
1975 #include <dirent.h>
1976 void seekdir(DIR *d, long loc) { return; }],[return 0;],
1977 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
1978 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
1979     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
1980 fi
1981
1982 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
1983 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
1984 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
1985 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
1986     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
1987 fi
1988
1989 AC_CACHE_CHECK([if gettimeofday takes tz argument],samba_cv_HAVE_GETTIMEOFDAY_TZ,[
1990 AC_TRY_LINK([
1991 #include <sys/time.h>
1992 #include <unistd.h>], [struct timeval tv; return gettimeofday(&tv, NULL);],
1993            samba_cv_HAVE_GETTIMEOFDAY_TZ=yes,
1994            samba_cv_HAVE_GETTIMEOFDAY_TZ=no)])
1995 if test x"$samba_cv_HAVE_GETTIMEOFDAY_TZ" = x"yes"; then
1996     AC_DEFINE(HAVE_GETTIMEOFDAY_TZ,1,[Whether gettimeofday takes a tz argument])
1997 fi
1998
1999 if test x"$samba_cv_WITH_PROFILE" = x"yes"; then
2000
2001     # On some systems (eg. Linux) librt can pull in libpthread. We
2002     # don't want this to happen because libpthreads changes signal delivery
2003     # semantics in ways we are not prepared for. This breaks Linux oplocks
2004     # which rely on signals.
2005
2006     AC_LIBTESTFUNC(rt, clock_gettime,
2007             [
2008                             AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
2009                                 [Whether clock_gettime is available])
2010                             SMB_CHECK_CLOCK_ID(CLOCK_MONOTONIC)
2011                             SMB_CHECK_CLOCK_ID(CLOCK_PROCESS_CPUTIME_ID)
2012                             SMB_CHECK_CLOCK_ID(CLOCK_REALTIME)
2013                         ])
2014
2015 fi
2016
2017 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2018 AC_TRY_RUN([#include <sys/types.h>
2019 #include <dirent.h>
2020 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2021 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2022 di->d_name[0] == 0) exit(0); exit(1);} ],
2023 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2024 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2025     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2026 fi
2027
2028 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2029 AC_TRY_COMPILE([#include <sys/types.h>
2030 #include <utime.h>],
2031 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
2032 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2033 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2034     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2035 fi
2036
2037 ##############
2038 # Check utmp details, but only if our OS offers utmp.h
2039 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2040 dnl  utmp and utmpx come in many flavours
2041 dnl  We need to check for many of them
2042 dnl  But we don't need to do each and every one, because our code uses
2043 dnl  mostly just the utmp (not utmpx) fields.
2044
2045 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx)
2046
2047 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2048 AC_TRY_COMPILE([#include <sys/types.h>
2049 #include <utmp.h>],
2050 [struct utmp ut;  ut.ut_name[0] = 'a';],
2051 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2052 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2053     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2054 fi
2055
2056 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2057 AC_TRY_COMPILE([#include <sys/types.h>
2058 #include <utmp.h>],
2059 [struct utmp ut;  ut.ut_user[0] = 'a';],
2060 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2061 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2062     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2063 fi
2064
2065 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2066 AC_TRY_COMPILE([#include <sys/types.h>
2067 #include <utmp.h>],
2068 [struct utmp ut;  ut.ut_id[0] = 'a';],
2069 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2070 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2071     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2072 fi
2073
2074 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2075 AC_TRY_COMPILE([#include <sys/types.h>
2076 #include <utmp.h>],
2077 [struct utmp ut;  ut.ut_host[0] = 'a';],
2078 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2079 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2080     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2081 fi
2082
2083 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2084 AC_TRY_COMPILE([#include <sys/types.h>
2085 #include <utmp.h>],
2086 [struct utmp ut;  time_t t; ut.ut_time = t;],
2087 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2088 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2089     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2090 fi
2091
2092 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2093 AC_TRY_COMPILE([#include <sys/types.h>
2094 #include <utmp.h>],
2095 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2096 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2097 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2098     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2099 fi
2100
2101 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2102 AC_TRY_COMPILE([#include <sys/types.h>
2103 #include <utmp.h>],
2104 [struct utmp ut;  ut.ut_type = 0;],
2105 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2106 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2107     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2108 fi
2109
2110 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2111 AC_TRY_COMPILE([#include <sys/types.h>
2112 #include <utmp.h>],
2113 [struct utmp ut;  ut.ut_pid = 0;],
2114 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2115 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2116     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2117 fi
2118
2119 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2120 AC_TRY_COMPILE([#include <sys/types.h>
2121 #include <utmp.h>],
2122 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2123 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2124 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2125     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2126 fi
2127
2128 dnl Look for the IPv6 varient by preference. Many systems have both.
2129 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2130 AC_TRY_COMPILE([#include <sys/types.h>
2131 #include <utmp.h>],
2132 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2133 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2134 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2135     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2136 fi
2137
2138 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2139 AC_TRY_COMPILE([#include <sys/types.h>
2140 #include <utmp.h>],
2141 [struct utmp ut;  ut.ut_addr = 0;],
2142 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2143 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2144     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2145 fi
2146
2147 if test x$ac_cv_func_pututline = xyes ; then
2148   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2149   AC_TRY_COMPILE([#include <sys/types.h>
2150 #include <utmp.h>],
2151   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2152   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2153   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2154       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2155   fi
2156 fi
2157
2158 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2159 AC_TRY_COMPILE([#include <sys/types.h>
2160 #include <utmpx.h>],
2161 [struct utmpx ux;  ux.ut_syslen = 0;],
2162 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2163 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2164     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2165 fi
2166
2167 fi
2168 # end utmp details
2169
2170
2171 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2172 AC_ARG_WITH(libiconv,
2173 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2174 [
2175   if test "$withval" = "no" ; then
2176     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2177   else
2178      if test "$withval" != "yes" ; then
2179         ICONV_PATH_SPEC=yes
2180         ICONV_LOOK_DIRS="$withval"
2181      fi
2182   fi
2183 ])
2184
2185 for i in $ICONV_LOOK_DIRS ; do
2186
2187     save_LIBS="$LIBS"
2188     save_LDFLAGS="$LDFLAGS"
2189     save_CPPFLAGS="$CPPFLAGS"
2190
2191     iconv_current_LIBS=""
2192     iconv_current_LDFLAGS=""
2193     iconv_current_CPPFLAGS=""
2194
2195     ICONV_FOUND="no"
2196     unset libext
2197
2198     #  This is here to handle -withval stuff for --with-libiconv
2199     #  Perhaps we should always add a -L
2200     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2201
2202     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2203     # installation paths. This gets a little tricky since we might have iconv
2204     # in both libiconv and in libc. In this case the jm_ICONV test will always
2205     # succeed when the header is found. To counter this, make sure the
2206     # library directory is there and check the ABI directory first (which
2207     # should be harmless on other systems, but causes tons of linker warnings on
2208     # 64bit Ubuntu systems).
2209     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2210     # installed, I've decided to fix the linker warnings.
2211     # -- Kai
2212     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2213     for l in "lib" "lib32" "lib/hpux32"; do
2214         if test -d "$i/$l" ; then
2215                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2216                 LIBS=
2217                 export LDFLAGS LIBS CPPFLAGS
2218                 # Try to find iconv(3)
2219                 jm_ICONV($i/$l)
2220                 if test x"$ICONV_FOUND" = "xyes" ; then
2221                     libext="$l"
2222                     break
2223                 fi
2224         fi
2225     done
2226
2227     if test x"$ICONV_FOUND" = "xyes" ; then
2228         iconv_current_LDFLAGS="-L$i/$libext"
2229         iconv_current_CPPFLAGS="-I$i/include"
2230
2231         if test x"$jm_cv_lib_iconv" != x; then
2232             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2233         else
2234             # We found iconv in libc.
2235             iconv_current_LIBS=""
2236         fi
2237
2238     fi
2239
2240     if test x"$ICONV_FOUND" = "xyes" ; then
2241
2242         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2243         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2244         LIBS="$save_LIBS $iconv_current_LIBS"
2245         export LDFLAGS LIBS CPPFLAGS
2246
2247         default_dos_charset=no
2248         default_display_charset=no
2249         default_unix_charset=no
2250
2251         # check for default dos charset name
2252         for j in CP850 IBM850 ; do
2253             rjs_CHARSET($j)
2254             default_dos_charset="$ICONV_CHARSET"
2255             if test x"$default_dos_charset" = x"$j"; then
2256                 break
2257             fi
2258         done
2259
2260         # check for default display charset name
2261         for j in ASCII 646 ; do
2262             rjs_CHARSET($j)
2263             default_display_charset="$ICONV_CHARSET"
2264             if test x"$default_display_charset" = x"$j"; then
2265                 break
2266             fi
2267         done
2268
2269         # check for default unix charset name
2270         for j in UTF-8 UTF8 ; do
2271             rjs_CHARSET($j)
2272             default_unix_charset="$ICONV_CHARSET"
2273             if test x"$default_unix_charset" = x"$j"; then
2274                 break
2275             fi
2276         done
2277
2278         if test "$default_dos_charset" != "no" -a \
2279                 "$default_dos_charset" != "cross" -a \
2280                 "$default_display_charset" != "no" -a \
2281                 "$default_display_charset" != "cross" -a \
2282                 "$default_unix_charset" != "no" -a \
2283                 "$default_unix_charset" != "cross"
2284         then
2285                 samba_cv_HAVE_NATIVE_ICONV=yes
2286         else
2287             if test "$default_dos_charset" = "cross" -o \
2288                      "$default_display_charset" = "cross" -o \
2289                      "$default_unix_charset" = "cross"
2290             then
2291                     samba_cv_HAVE_NATIVE_ICONV=cross
2292             else
2293                     samba_cv_HAVE_NATIVE_ICONV=no
2294             fi
2295         fi
2296
2297         # At this point, we have a libiconv candidate. We know that
2298         # we have the right headers and libraries, but we don't know
2299         # whether it does the conversions we want. We can't test this
2300         # because we are cross-compiling. This is not necessarily a big
2301         # deal, since we can't guarantee that the results we get now will
2302         # match the results we get at runtime anyway.
2303         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2304             default_dos_charset="CP850"
2305             default_display_charset="ASCII"
2306             default_unix_charset="UTF-8"
2307             samba_cv_HAVE_NATIVE_ICONV=yes
2308             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2309             AC_MSG_WARN([$default_dos_charset, $default_display_charset and $default_unix_charset to UCS-16LE])
2310         fi
2311
2312         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2313
2314             CPPFLAGS=$save_CPPFLAGS
2315             LDFLAGS=$save_LDFLAGS
2316             LIBS=$save_LIBS
2317
2318             if test x"$iconv_current_LIBS" != x; then
2319                 LIBS="$LIBS $iconv_current_LIBS"
2320             fi
2321
2322             # Add the flags we need to CPPFLAGS and LDFLAGS
2323             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2324             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2325
2326             # Turn the #defines into string literals
2327             default_dos_charset="\"$default_dos_charset\""
2328             default_display_charset="\"$default_display_charset\""
2329             default_unix_charset="\"$default_unix_charset\""
2330
2331             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2332             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2333             AC_DEFINE_UNQUOTED(DEFAULT_DISPLAY_CHARSET,$default_display_charset,[Default display charset name])
2334             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2335
2336            break
2337         fi
2338
2339     # We didn't find a working iconv, so keep going
2340     fi
2341
2342     #  We only need to clean these up here for the next pass through the loop
2343     CPPFLAGS=$save_CPPFLAGS
2344     LDFLAGS=$save_LDFLAGS
2345     LIBS=$save_LIBS
2346     export LDFLAGS LIBS CPPFLAGS
2347 done
2348 unset libext
2349
2350
2351 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2352     AC_MSG_WARN([Sufficient support for iconv function was not found.
2353     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2354    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2355    AC_DEFINE_UNQUOTED(DEFAULT_DISPLAY_CHARSET,"ASCII",[Default display charset name])
2356    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2357 fi
2358
2359
2360 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2361 AC_TRY_RUN([
2362 #include <sys/types.h>
2363 #include <fcntl.h>
2364 #ifndef F_GETLEASE
2365 #define F_GETLEASE      1025
2366 #endif
2367 main() {
2368        int fd = open("/dev/null", O_RDONLY);
2369        return fcntl(fd, F_GETLEASE, 0) == -1;
2370 }
2371 ],
2372 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2373 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2374     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2375 fi
2376
2377 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2378 AC_TRY_RUN([
2379 #include <sys/types.h>
2380 #include <fcntl.h>
2381 #include <signal.h>
2382 #ifndef F_NOTIFY
2383 #define F_NOTIFY 1026
2384 #endif
2385 main() {
2386         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2387 }
2388 ],
2389 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2390 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2391     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2392 fi
2393
2394 AC_CACHE_CHECK([for inotify support],samba_cv_HAVE_INOTIFY,[
2395 AC_CHECK_HEADERS(linux/inotify.h asm/unistd.h)
2396 AC_CHECK_FUNCS(inotify_init)
2397 AC_HAVE_DECL(__NR_inotify_init, [#include <asm/unistd.h>])
2398 ],
2399 samba_cv_HAVE_INOTIFY=yes,
2400 samba_cv_HAVE_INOTIFY=no,
2401 samba_cv_HAVE_INOTIFY=cross)
2402
2403 if test x"$ac_cv_func_inotify_init" = x"yes" -a x"$ac_cv_header_linux_inotify_h" = x"yes"; then
2404     AC_DEFINE(HAVE_INOTIFY,1,[Whether kernel has inotify support])
2405 fi
2406
2407 #################################################
2408 # Check if FAM notifications are available. For FAM info, see
2409 #       http://oss.sgi.com/projects/fam/
2410 #       http://savannah.nongnu.org/projects/fam/
2411 AC_ARG_ENABLE(fam,
2412 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2413
2414 if test x$enable_fam != xno; then
2415     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2416     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2417         # On IRIX, libfam requires libC, but other FAM implementations
2418         # might not need it.
2419         AC_CHECK_LIB(fam, FAMOpen2,
2420             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam"],
2421             [samba_cv_HAVE_LIBFAM=no])
2422
2423         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2424             samba_fam_xtra=-lC
2425             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2426                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC"],
2427                 [samba_cv_HAVE_LIBFAM=no])
2428             unset samba_fam_xtra
2429         fi
2430     fi
2431
2432     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2433         default_shared_modules="$default_shared_modules vfs_notify_fam"
2434         AC_TRY_COMPILE([#include <fam.h>],
2435                     [FAMCodes code = FAMChanged;],
2436                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2437                         [Whether fam.h contains a typedef for enum FAMCodes]),
2438                     [])
2439     fi
2440
2441     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2442         AC_MSG_ERROR(FAM support requested but FAM library not available )
2443     fi
2444 fi
2445
2446 AC_SUBST(SMB_FAM_LIBS)
2447
2448 #################################################
2449 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2450
2451 SMB_CHECK_DMAPI([], AC_MSG_NOTICE(DMAPI support not present) )
2452
2453 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2454 # Theoretically it should work with AIX JFS2 too but this needs testing
2455 if test x"$samba_cv_HAVE_GPFS" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2456     default_shared_modules="$default_shared_modules vfs_tsmsm"
2457 fi
2458
2459 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2460 AC_TRY_RUN([
2461 #include <sys/types.h>
2462 #include <fcntl.h>
2463 #include <signal.h>
2464 #include <sys/file.h>
2465 #ifndef LOCK_MAND
2466 #define LOCK_MAND       32
2467 #define LOCK_READ       64
2468 #endif
2469 main() {
2470         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2471 }
2472 ],
2473 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2474 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2475     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2476 fi
2477
2478
2479 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2480 AC_TRY_COMPILE([#include <sys/types.h>
2481 #include <fcntl.h>],
2482 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2483 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2484 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2485     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2486 fi
2487
2488 #################################################
2489 # Check for POSIX capability support
2490
2491 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2492     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2493     [], [])
2494
2495 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2496
2497     ac_save_LIBS=$LIBS
2498     AC_LIBTESTFUNC(cap, cap_get_proc)
2499
2500     AC_CACHE_CHECK([for POSIX capabilities],
2501             samba_cv_HAVE_POSIX_CAPABILITIES,
2502             [
2503                 AC_TRY_RUN([
2504 #include <sys/types.h>
2505 #include <sys/capability.h>
2506 main() {
2507  cap_t cap;
2508  cap_value_t vals[1];
2509  if (!(cap = cap_get_proc()))
2510    exit(1);
2511  vals[0] = CAP_CHOWN;
2512  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2513  cap_set_proc(cap);
2514  exit(0);
2515 }],
2516                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2517                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2518                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2519             ])
2520
2521 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2522     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2523             [Whether POSIX capabilities are available])
2524 else
2525     LIBS=$ac_save_LIBS
2526 fi
2527
2528 fi
2529
2530 #
2531 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2532 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2533 #
2534
2535 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2536 AC_TRY_COMPILE([#include <sys/types.h>
2537 #if defined(HAVE_RPC_RPC_H)
2538 #include <rpc/rpc.h>
2539 #endif],
2540 [int16 testvar;],
2541 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2542 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2543     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2544 fi
2545
2546 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2547 AC_TRY_COMPILE([#include <sys/types.h>
2548 #if defined(HAVE_RPC_RPC_H)
2549 #include <rpc/rpc.h>
2550 #endif],
2551 [uint16 testvar;],
2552 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2553 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2554     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2555 fi
2556
2557 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2558 AC_TRY_COMPILE([#include <sys/types.h>
2559 #if defined(HAVE_RPC_RPC_H)
2560 #include <rpc/rpc.h>
2561 #endif],
2562 [int32 testvar;],
2563 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2564 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2565     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2566 fi
2567
2568 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2569 AC_TRY_COMPILE([#include <sys/types.h>
2570 #if defined(HAVE_RPC_RPC_H)
2571 #include <rpc/rpc.h>
2572 #endif],
2573 [uint32 testvar;],
2574 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2575 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2576     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2577 fi
2578
2579 dnl
2580 dnl Some systems (SCO) have a problem including
2581 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2582 dnl as a #define in <prot.h> and as part of an enum
2583 dnl in <rpc/rpc.h>.
2584 dnl
2585
2586 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2587 AC_TRY_COMPILE([#include <sys/types.h>
2588 #ifdef HAVE_SYS_SECURITY_H
2589 #include <sys/security.h>
2590 #include <prot.h>
2591 #endif  /* HAVE_SYS_SECURITY_H */
2592 #if defined(HAVE_RPC_RPC_H)
2593 #include <rpc/rpc.h>
2594 #endif],
2595 [int testvar;],
2596 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2597 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2598     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2599 fi
2600
2601 AC_MSG_CHECKING([for test routines])
2602 AC_TRY_RUN([#include "${srcdir-.}/tests/trivial.c"],
2603            AC_MSG_RESULT(yes),
2604            AC_MSG_ERROR([cant find test code. Aborting config]),
2605            AC_MSG_WARN([cannot run when cross-compiling]))
2606
2607 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2608 AC_TRY_RUN([#include "${srcdir-.}/tests/ftruncate.c"],
2609            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2610 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2611     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2612 fi
2613
2614 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2615 AC_TRY_RUN([#include "${srcdir-.}/tests/getgroups.c"],
2616            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2617 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2618     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2619 fi
2620
2621 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2622 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2623 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2624 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2625 AC_CHECK_FUNCS(getpagesize)
2626
2627 ################################################
2628 # look for a method of setting the effective uid
2629 seteuid=no;
2630 if test $seteuid = no; then
2631 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2632 AC_TRY_RUN([
2633 #define AUTOCONF_TEST 1
2634 #define USE_SETRESUID 1
2635 #include "confdefs.h"
2636 #include "${srcdir-.}/lib/util_sec.c"],
2637            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2638 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2639     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2640 fi
2641 fi
2642
2643
2644 if test $seteuid = no; then
2645 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2646 AC_TRY_RUN([
2647 #define AUTOCONF_TEST 1
2648 #define USE_SETREUID 1
2649 #include "confdefs.h"
2650 #include "${srcdir-.}/lib/util_sec.c"],
2651            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2652 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2653     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2654 fi
2655 fi
2656
2657 if test $seteuid = no; then
2658 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2659 AC_TRY_RUN([
2660 #define AUTOCONF_TEST 1
2661 #define USE_SETEUID 1
2662 #include "confdefs.h"
2663 #include "${srcdir-.}/lib/util_sec.c"],
2664            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2665 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2666     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2667 fi
2668 fi
2669
2670 if test $seteuid = no; then
2671 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2672 AC_TRY_RUN([
2673 #define AUTOCONF_TEST 1
2674 #define USE_SETUIDX 1
2675 #include "confdefs.h"
2676 #include "${srcdir-.}/lib/util_sec.c"],
2677            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2678 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2679     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2680 fi
2681 fi
2682
2683 AC_CACHE_CHECK([for the Darwin initgroups system call],
2684         samba_cv_DARWIN_INITGROUPS,
2685         AC_TRY_LINK([
2686 #include <sys/syscall.h>
2687 #include <unistd.h>
2688         ],
2689         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2690         samba_cv_DARWIN_INITGROUPS=yes,
2691         samba_cv_DARWIN_INITGROUPS=no)
2692 )
2693
2694 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2695     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2696         [Whether to use the Darwin-specific initgroups system call])
2697 fi
2698
2699 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2700 AC_TRY_RUN([#include "${srcdir-.}/tests/fcntl_lock.c"],
2701            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2702 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2703     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2704 fi
2705
2706 AC_CACHE_CHECK([for broken (glibc2.1/x86) 64 bit fcntl locking],samba_cv_HAVE_BROKEN_FCNTL64_LOCKS,[
2707 AC_TRY_RUN([#include "${srcdir-.}/tests/fcntl_lock64.c"],
2708            samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=yes,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=no,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=cross)])
2709 if test x"$samba_cv_HAVE_BROKEN_FCNTL64_LOCKS" = x"yes"; then
2710     AC_DEFINE(HAVE_BROKEN_FCNTL64_LOCKS,1,[Whether fcntl64 locks are broken])
2711
2712 else
2713
2714 dnl
2715 dnl Don't check for 64 bit fcntl locking if we know that the
2716 dnl glibc2.1 broken check has succeeded.
2717 dnl
2718
2719   AC_CACHE_CHECK([for 64 bit fcntl locking],samba_cv_HAVE_STRUCT_FLOCK64,[
2720   AC_TRY_RUN([
2721 #if defined(HAVE_UNISTD_H)
2722 #include <unistd.h>
2723 #endif
2724 #include <stdio.h>
2725 #include <stdlib.h>
2726
2727 #ifdef HAVE_FCNTL_H
2728 #include <fcntl.h>
2729 #endif
2730
2731 #ifdef HAVE_SYS_FCNTL_H
2732 #include <sys/fcntl.h>
2733 #endif
2734 main() { struct flock64 fl64;
2735 #if defined(F_SETLKW64) && defined(F_SETLK64) && defined(F_GETLK64)
2736 exit(0);
2737 #else
2738 exit(1);
2739 #endif
2740 }],
2741        samba_cv_HAVE_STRUCT_FLOCK64=yes,samba_cv_HAVE_STRUCT_FLOCK64=no,samba_cv_HAVE_STRUCT_FLOCK64=cross)])
2742
2743   if test x"$samba_cv_HAVE_STRUCT_FLOCK64" = x"yes"; then
2744       AC_DEFINE(HAVE_STRUCT_FLOCK64,1,[Whether the flock64 struct is available])
2745   fi
2746 fi
2747
2748 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2749 AC_TRY_COMPILE([#include <sys/types.h>
2750 #include <sys/stat.h>
2751 #include <unistd.h>],
2752 [struct stat st;  st.st_blocks = 0;],
2753 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2754 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2755     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2756 fi
2757
2758 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2759 AC_TRY_COMPILE([#include <sys/types.h>
2760 #include <sys/stat.h>
2761 #include <unistd.h>],
2762 [struct stat st;  st.st_blksize = 0;],
2763 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2764 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2765     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2766 fi
2767
2768 AC_CACHE_CHECK([for st_flags in struct stat],
2769         samba_cv_HAVE_STAT_ST_FLAGS,
2770         [
2771             AC_TRY_COMPILE([#include <sys/types.h>
2772 #include <sys/stat.h>
2773 #include <unistd.h>],
2774             [struct stat st;  st.st_flags = 0;],
2775             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2776             samba_cv_HAVE_STAT_ST_FLAGS=no,
2777             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2778         ])
2779
2780 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
2781     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
2782                 [Whether the stat struct has a st_flags member])
2783 fi
2784
2785 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
2786 AC_TRY_COMPILE([
2787 #include <sys/types.h>
2788 #include <sys/acl.h>
2789 #if defined(HAVE_RPCSVC_NIS_H)
2790 #include <rpcsvc/nis.h>
2791 #endif],
2792 [int i;],
2793 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
2794 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
2795         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
2796 fi
2797
2798 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
2799 AC_TRY_RUN([
2800 #include <stdio.h>
2801 #include <limits.h>
2802 #include <signal.h>
2803
2804 void exit_on_core(int ignored) {
2805         exit(1);
2806 }
2807
2808 main() {
2809         char *newpath;
2810         signal(SIGSEGV, exit_on_core);
2811         newpath = realpath("/tmp", NULL);
2812         exit((newpath != NULL) ? 0 : 1);
2813 }
2814 ],
2815 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
2816 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
2817     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
2818 fi
2819
2820 #################################################
2821 # check for AFS clear-text auth support
2822 samba_cv_WITH_AFS=no
2823 AC_MSG_CHECKING(whether to use AFS clear-text auth)
2824 AC_ARG_WITH(afs,
2825 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
2826 [ case "$withval" in
2827   yes|auto)
2828     AC_MSG_RESULT($withval)
2829     samba_cv_WITH_AFS=$withval
2830     ;;
2831   *)
2832     AC_MSG_RESULT(no)
2833     ;;
2834   esac ],
2835   AC_MSG_RESULT(no)
2836 )
2837
2838 ####################################################
2839 # check for Linux-specific AFS fake-kaserver support
2840 samba_cv_WITH_FAKE_KASERVER=no
2841 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
2842 AC_ARG_WITH(fake-kaserver,
2843 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
2844 [ case "$withval" in
2845   yes|auto)
2846     AC_MSG_RESULT($withval)
2847     samba_cv_WITH_FAKE_KASERVER=$withval
2848     ;;
2849   *)
2850     AC_MSG_RESULT(no)
2851     ;;
2852   esac ],
2853   AC_MSG_RESULT(no)
2854 )
2855
2856 #################################################
2857 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
2858 if test x"$samba_cv_WITH_AFS" != x"no" ||
2859    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
2860
2861     # see if this box has the afs-headers in /usr/include/afs
2862     AC_MSG_CHECKING(for /usr/include/afs)
2863     if test -d /usr/include/afs; then
2864           CFLAGS="$CFLAGS -I/usr/include/afs"
2865           CPPFLAGS="$CPPFLAGS -I/usr/include/afs"
2866           AC_MSG_RESULT(yes)
2867     else
2868       AC_MSG_RESULT(no)
2869     fi
2870
2871     # check for afs.h
2872     have_afs_headers=no
2873     AC_CHECK_HEADERS(afs.h afs/afs.h)
2874     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
2875         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
2876            test x"$samba_cv_WITH_AFS" = x"auto"; then
2877                 AC_MSG_WARN([AFS cannot be supported without afs.h])
2878         else
2879                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
2880         fi
2881     else
2882         have_afs_headers=yes
2883     fi
2884 fi
2885
2886 FAKE_KASERVER_OBJ=""
2887 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
2888     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
2889     FAKE_KASERVER_OBJ="utils/net_afs.o"
2890 fi
2891 AC_SUBST(FAKE_KASERVER_OBJ)
2892
2893 #################################################
2894 # check whether to compile AFS/NT ACL mapping module
2895 samba_cv_WITH_VFS_AFSACL=no
2896 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
2897 AC_ARG_WITH(vfs-afsacl,
2898 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
2899 [ case "$withval" in
2900   yes|auto)
2901     AC_MSG_RESULT($withval)
2902     samba_cv_WITH_VFS_AFSACL=yes
2903     ;;
2904   *)
2905     AC_MSG_RESULT(no)
2906     ;;
2907   esac ],
2908   AC_MSG_RESULT(no)
2909 )
2910
2911 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
2912    default_shared_modules="$default_shared_modules vfs_afsacl"
2913 fi
2914         
2915 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
2916     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
2917 fi
2918
2919 #################################################
2920 # check for the DFS clear-text auth system
2921 AC_MSG_CHECKING(whether to use DFS clear-text auth)
2922 AC_ARG_WITH(dfs,
2923 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
2924 [ case "$withval" in
2925   yes)
2926     AC_MSG_RESULT(yes)
2927     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
2928     ;;
2929   *)
2930     AC_MSG_RESULT(no)
2931     ;;
2932   esac ],
2933   AC_MSG_RESULT(no)
2934 )
2935
2936 ########################################################
2937 # Compile with LDAP support?
2938
2939 with_ldap_support=auto
2940 AC_MSG_CHECKING([for LDAP support])
2941
2942 AC_ARG_WITH(ldap,
2943 [AS_HELP_STRING([--with-ldap], [LDAP support (default yes)])],
2944 [ case "$withval" in
2945     yes|no)
2946         with_ldap_support=$withval
2947         ;;
2948   esac ])
2949
2950 AC_MSG_RESULT($with_ldap_support)
2951
2952 SMBLDAP=""
2953 AC_SUBST(SMBLDAP)
2954 SMBLDAPUTIL=""
2955 AC_SUBST(SMBLDAPUTIL)
2956 LDBLDAP=""
2957 AC_SUBST(LDBLDAP)
2958
2959 if test x"$with_ldap_support" != x"no"; then
2960
2961   ##################################################################
2962   # first test for ldap.h and lber.h
2963   # (ldap.h is required for this test)
2964   AC_CHECK_HEADERS(ldap.h lber.h)
2965
2966   if test x"$ac_cv_header_ldap_h" != x"yes"; then
2967         if test x"$with_ldap_support" = x"yes"; then
2968          AC_MSG_ERROR(ldap.h is needed for LDAP support)
2969         else
2970          AC_MSG_WARN(ldap.h is needed for LDAP support)
2971         fi
2972         
2973         with_ldap_support=no
2974   fi
2975
2976   ##################################################################
2977   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
2978   # unsigned int in include/includes.h
2979   case $host_os in
2980         *hpux*)
2981          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
2982          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
2983         with_ldap_support=yes
2984         ;;
2985         *)
2986         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
2987         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
2988                 if test x"$with_ldap_support" = x"yes"; then
2989                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
2990                 else
2991                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
2992                 fi
2993                 with_ldap_support=no
2994         fi
2995         ;;
2996   esac
2997 fi
2998
2999 if test x"$with_ldap_support" != x"no"; then
3000   ac_save_LIBS=$LIBS
3001
3002   ##################################################################
3003   # we might need the lber lib on some systems. To avoid link errors
3004   # this test must be before the libldap test
3005   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3006
3007   ########################################################
3008   # If ber_sockbuf_add_io() is available we can add
3009   # SASL wrapping hooks
3010   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3011
3012   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3013                  AC_TRY_COMPILE([#include <ldap.h>],
3014                                 [int val = LDAP_OPT_SOCKBUF;],
3015                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3016                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3017
3018   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3019           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3020         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3021   fi
3022
3023   #######################################################
3024   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3025   # ldap logging and print it out in the samba logs
3026   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3027                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3028                  [AC_TRY_COMPILE([#include <lber.h>],
3029                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3030                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3031                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3032
3033   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3034         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3035                   [Support for LDAP/LBER logging interception])
3036   fi
3037
3038   ########################################################
3039   # now see if we can find the ldap libs in standard paths
3040   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3041
3042   ########################################################
3043   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3044   # Check found in pam_ldap 145.
3045   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3046
3047   LIBS="$LIBS $LDAP_LIBS"
3048   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3049     AC_TRY_COMPILE([
3050         #include <lber.h>
3051         #include <ldap.h>],
3052         [ldap_set_rebind_proc(0, 0, 0);],
3053         [smb_ldap_cv_ldap_set_rebind_proc=3],
3054         [smb_ldap_cv_ldap_set_rebind_proc=2]
3055     )
3056   ])
3057
3058   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3059
3060   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3061
3062   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3063     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3064     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3065     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3066     default_shared_modules="$default_shared_modules";
3067     SMBLDAP="lib/smbldap.o"
3068     SMBLDAPUTIL="lib/smbldap_util.o"
3069     with_ldap_support=yes
3070     AC_MSG_CHECKING(whether LDAP support is used)
3071     AC_MSG_RESULT(yes)
3072   else
3073     if test x"$with_ldap_support" = x"yes"; then
3074         AC_MSG_ERROR(libldap is needed for LDAP support)
3075     else
3076         AC_MSG_WARN(libldap is needed for LDAP support)
3077     fi
3078
3079     LDAP_LIBS=""
3080     with_ldap_support=no
3081   fi
3082   LIBS=$ac_save_LIBS
3083 fi
3084
3085
3086 #################################################
3087 # active directory support
3088
3089 with_ads_support=auto
3090 AC_MSG_CHECKING([for Active Directory and krb5 support])
3091
3092 AC_ARG_WITH(ads,
3093 [AS_HELP_STRING([--with-ads], [Active Directory support (default auto)])],
3094 [ case "$withval" in
3095     yes|no)
3096         with_ads_support="$withval"
3097         ;;
3098   esac ])
3099
3100 AC_MSG_RESULT($with_ads_support)
3101
3102 FOUND_KRB5=no
3103 KRB5_LIBS=""
3104
3105 if test x"$with_ldap_support" != x"yes"; then
3106
3107     if test x"$with_ads_support" = x"yes"; then
3108         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3109     elif test x"$with_ads_support" = x"auto"; then
3110         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3111         with_ads_support=no
3112     fi
3113
3114 else
3115
3116     # Check to see whether there is enough LDAP functionality to be able
3117     # to build AD support.
3118
3119 # HPUX only has ldap_init; ok, we take care of this in smbldap.c
3120 case "$host_os" in
3121         *hpux*)
3122     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3123
3124     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3125         if test x"$with_ads_support" = x"yes"; then
3126             AC_MSG_ERROR(Active Directory support on HPUX requires ldap_init)
3127         elif test x"$with_ads_support" = x"auto"; then
3128             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX))
3129             with_ads_support=no
3130         fi
3131     fi
3132     ;;
3133         *)
3134     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3135
3136     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3137         if test x"$with_ads_support" = x"yes"; then
3138             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3139         elif test x"$with_ads_support" = x"auto"; then
3140             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3141             with_ads_support=no
3142         fi
3143     fi
3144     ;;
3145 esac
3146
3147
3148     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3149
3150     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3151         if test x"$with_ads_support" = x"yes"; then
3152             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3153         elif test x"$with_ads_support" = x"auto"; then
3154             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3155             with_ads_support=no
3156         fi
3157     fi
3158
3159 fi
3160
3161 if test x"$with_ads_support" != x"no"; then
3162
3163   # Do no harm to the values of CFLAGS and LIBS while testing for
3164   # Kerberos support.
3165
3166   if test x$FOUND_KRB5 = x"no"; then
3167     #################################################
3168     # check for location of Kerberos 5 install
3169     AC_MSG_CHECKING(for kerberos 5 install path)
3170     AC_ARG_WITH(krb5,
3171     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3172     [ case "$withval" in
3173       no)
3174         AC_MSG_RESULT(no krb5-path given)
3175         ;;
3176       yes)
3177         AC_MSG_RESULT(/usr)
3178         FOUND_KRB5=yes
3179         ;;
3180       *)
3181         AC_MSG_RESULT($withval)
3182         KRB5_CFLAGS="-I$withval/include"
3183         KRB5_CPPFLAGS="-I$withval/include"
3184         KRB5_LDFLAGS="-L$withval/lib"
3185         FOUND_KRB5=yes
3186         if test -x "$withval/bin/krb5-config"; then
3187                 KRB5CONFIG=$withval/bin/krb5-config
3188         fi
3189         ;;
3190       esac ],
3191       AC_MSG_RESULT(no krb5-path given)
3192     )
3193   fi
3194
3195   #################################################
3196   # check for krb5-config from recent MIT and Heimdal kerberos 5
3197   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3198   AC_MSG_CHECKING(for working krb5-config)
3199   if test -x "$KRB5CONFIG"; then
3200     ac_save_CFLAGS=$CFLAGS
3201     CFLAGS="";export CFLAGS
3202     ac_save_LDFLAGS=$LDFLAGS
3203     LDFLAGS="";export LDFLAGS
3204     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3205     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3206     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3207     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3208     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3209     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3210     FOUND_KRB5=yes
3211     AC_MSG_RESULT(yes)
3212   else
3213     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3214   fi
3215
3216   if test x$FOUND_KRB5 = x"no"; then
3217     #################################################
3218     # see if this box has the SuSE location for the heimdal krb implementation
3219     AC_MSG_CHECKING(for /usr/include/heimdal)
3220     if test -d /usr/include/heimdal; then
3221       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3222           KRB5_CFLAGS="-I/usr/include/heimdal"
3223           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3224           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3225           FOUND_KRB5=yes
3226           AC_MSG_RESULT(yes)
3227       else
3228           KRB5_CFLAGS="-I/usr/include/heimdal"
3229           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3230           FOUND_KRB5=yes
3231           AC_MSG_RESULT(yes)
3232       fi
3233     else
3234       AC_MSG_RESULT(no)
3235     fi
3236   fi
3237
3238   if test x$FOUND_KRB5 = x"no"; then
3239     #################################################
3240     # see if this box has the RedHat location for kerberos
3241     AC_MSG_CHECKING(for /usr/kerberos)
3242     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3243       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3244       KRB5_CFLAGS="-I/usr/kerberos/include"
3245       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3246       FOUND_KRB5=yes
3247       AC_MSG_RESULT(yes)
3248     else
3249       AC_MSG_RESULT(no)
3250     fi
3251   fi
3252
3253   if test x$FOUND_KRB5 = x"no"; then
3254     #################################################
3255     # see if this box has the OpenBSD location for heimdal krb5
3256     AC_MSG_CHECKING(for /usr/include/kerberosV)
3257     if test -d /usr/include/kerberosV; then
3258       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3259       KRB5_LIBS="-lcrypto"
3260       FOUND_KRB5=yes
3261       AC_MSG_RESULT(yes)
3262     else
3263       AC_MSG_RESULT(no)
3264     fi
3265   fi
3266
3267   ac_save_CFLAGS=$CFLAGS
3268   ac_save_CPPFLAGS=$CPPFLAGS
3269   ac_save_LDFLAGS=$LDFLAGS
3270
3271   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3272   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3273   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3274
3275   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3276
3277   # now check for krb5.h. Some systems have the libraries without the headers!
3278   # note that this check is done here to allow for different kerberos
3279   # include paths
3280   AC_CHECK_HEADERS(krb5.h)
3281
3282   if test x"$ac_cv_header_krb5_h" = x"no"; then
3283
3284     # Give a warning if AD support was not explicitly requested,
3285     # i.e with_ads_support = auto, otherwise die with an error.
3286
3287     if test x"$with_ads_support" = x"yes"; then
3288       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3289     else
3290       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3291     fi
3292
3293     # Turn off AD support and restore CFLAGS and LIBS variables
3294
3295     with_ads_support="no"
3296
3297     CFLAGS=$ac_save_CFLAGS
3298     CPPFLAGS=$ac_save_CPPFLAGS
3299     LDFLAGS=$ac_save_LDFLAGS
3300   fi
3301   AC_CHECK_HEADERS(krb5/locate_plugin.h)
3302   if test x"$ac_cv_header_krb5_locate_plugin_h" = x"yes"; then
3303         WINBIND_KRB5_LOCATOR="bin/winbind_krb5_locator.$SHLIBEXT"
3304         EXTRA_ALL_TARGETS="$EXTRA_ALL_TARGETS $WINBIND_KRB5_LOCATOR"
3305   fi
3306 fi
3307
3308 # Now we have determined whether we really want ADS support
3309 use_ads=no
3310 if test x"$with_ads_support" != x"no"; then
3311   use_ads=yes
3312   have_gssapi=no
3313   ac_save_LIBS=$LIBS
3314
3315   # now check for gssapi headers.  This is also done here to allow for
3316   # different kerberos include paths
3317   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h com_err.h)
3318
3319   ##################################################################
3320   # we might need the k5crypto and com_err libraries on some systems
3321   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3322   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3323
3324   # Heimdal checks.
3325   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3326   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3327   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3328
3329   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3330   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3331
3332   ########################################################
3333   # now see if we can find the krb5 libs in standard paths
3334   # or as specified above
3335   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3336   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3337
3338   ########################################################
3339   # now see if we can find the gssapi libs in standard paths
3340   if test x"$have_gssapi" != x"yes"; then
3341      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3342   fi
3343
3344   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3345   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3346   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3347   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3348   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3349   AC_CHECK_FUNC_EXT(krb5_use_enctype, $KRB5_LIBS)
3350   AC_CHECK_FUNC_EXT(krb5_string_to_key, $KRB5_LIBS)
3351   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3352   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3353   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3354   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3355   AC_CHECK_FUNC_EXT(krb5_locate_kdc, $KRB5_LIBS)
3356   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3357   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3358   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3359   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3360   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3361   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3362   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3363   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3364   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3365   AC_CHECK_FUNC_EXT(krb5_c_enctype_compare, $KRB5_LIBS)
3366   AC_CHECK_FUNC_EXT(krb5_enctypes_compatible_keys, $KRB5_LIBS)
3367   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3368   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3369   AC_CHECK_FUNC_EXT(krb5_decode_ap_req, $KRB5_LIBS)
3370   AC_CHECK_FUNC_EXT(free_AP_REQ, $KRB5_LIBS)
3371   AC_CHECK_FUNC_EXT(krb5_verify_checksum, $KRB5_LIBS)
3372   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3373   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3374   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3375   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3376   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3377   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3378   AC_CHECK_FUNC_EXT(krb5_get_kdc_cred, $KRB5_LIBS)
3379   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3380   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3381   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3382   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3383   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3384   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3385   AC_CHECK_FUNC_EXT(krb5_fwd_tgt_creds, $KRB5_LIBS)
3386   AC_CHECK_FUNC_EXT(krb5_auth_con_set_req_cksumtype, $KRB5_LIBS)
3387
3388   LIBS="$KRB5_LIBS $LIBS"
3389
3390   AC_CACHE_CHECK(whether krb5_ticket contains kvno and enctype,
3391         smb_krb5_cv_ticket_has_keyinfo,
3392         [
3393             AC_TRY_COMPILE(
3394             [
3395                 #include <krb5.h>
3396             ],
3397             [
3398                 krb5_ticket ticket;
3399                 krb5_kvno kvno;
3400                 krb5_enctype enctype;
3401
3402                 enctype = ticket.enc_part.enctype;
3403                 kvno = ticket.enc_part.kvno;
3404             ],
3405             [ smb_krb5_cv_ticket_has_keyinfo=yes ],
3406             [ smb_krb5_cv_ticket_has_keyinfo=no ])
3407         ])
3408
3409   if test x"$smb_krb5_cv_ticket_has_keyinfo" = x"yes" ; then
3410         AC_DEFINE(KRB5_TICKET_HAS_KEYINFO, 1,
3411             [Whether the krb5_ticket structure contains the kvno and enctype])
3412   fi
3413
3414   AC_CACHE_CHECK(whether krb5_get_init_creds_opt_free takes a context argument,
3415           smb_krb5_cv_creds_opt_free_context,
3416           [
3417                 AC_TRY_COMPILE([
3418                     #include <krb5.h>],
3419                     [
3420                         krb5_context ctx;
3421                         krb5_get_init_creds_opt *opt = NULL;
3422                         krb5_get_init_creds_opt_free(ctx, opt);
3423                     ],
3424                     [smb_krb5_cv_creds_opt_free_context=yes],
3425                     [smb_krb5_cv_creds_opt_free_context=no]
3426                 )
3427           ])
3428
3429   if test x"$smb_krb5_cv_creds_opt_free_context" = x"yes" ; then
3430         AC_DEFINE(KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT, 1,
3431             [Whether krb5_get_init_creds_opt_free takes a context argument])
3432   fi
3433
3434   AC_CACHE_CHECK(whether krb5_verify_checksum takes 7 arguments, smb_krb5_cv_verify_checksum, [
3435     AC_TRY_COMPILE([
3436         #include <krb5.h>],
3437         [krb5_verify_checksum(0, 0, 0, 0, 0, 0, 0);],
3438         [smb_krb5_cv_verify_checksum=7],
3439         [smb_krb5_cv_verify_checksum=6],
3440     )
3441   ])
3442   AC_DEFINE_UNQUOTED(KRB5_VERIFY_CHECKSUM_ARGS, $smb_krb5_cv_verify_checksum, [Number of arguments to krb5_verify_checksum])
3443
3444   AC_CACHE_CHECK([for checksum in krb5_checksum],
3445                 samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM,[
3446     AC_TRY_COMPILE([#include <krb5.h>],
3447       [krb5_checksum cksum; cksum.checksum.length = 0;],
3448       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=yes,
3449       samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM=no)])
3450
3451   if test x"$samba_cv_HAVE_CHECKSUM_IN_KRB5_CHECKSUM" = x"yes"; then
3452     AC_DEFINE(HAVE_CHECKSUM_IN_KRB5_CHECKSUM,1,
3453                [Whether the krb5_checksum struct has a checksum property])
3454   fi
3455
3456   AC_CACHE_CHECK([for etype in EncryptedData],
3457                 samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA,[
3458     AC_TRY_COMPILE([#include <krb5.h>],
3459       [EncryptedData edata; edata.etype = 0;],
3460       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=yes,
3461       samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA=no)])
3462
3463   if test x"$samba_cv_HAVE_ETYPE_IN_ENCRYPTEDDATA" = x"yes"; then
3464     AC_DEFINE(HAVE_ETYPE_IN_ENCRYPTEDDATA,1,
3465                [Whether the EncryptedData struct has a etype property])
3466   fi
3467
3468   AC_CACHE_CHECK([for ticket pointer in krb5_ap_req],
3469                 samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,[
3470     AC_TRY_COMPILE([#include <krb5.h>],
3471       [krb5_ap_req *ap_req; ap_req->ticket = NULL;],
3472       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=yes,
3473       samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ=no)])
3474
3475   if test x"$samba_cv_HAVE_TICKET_POINTER_IN_KRB5_AP_REQ" = x"yes"; then
3476     AC_DEFINE(HAVE_TICKET_POINTER_IN_KRB5_AP_REQ,1,
3477                [Whether the krb5_ap_req struct has a ticket pointer])
3478   fi
3479
3480   AC_CACHE_CHECK([for e_data pointer in krb5_error],
3481                 samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR,[
3482     AC_TRY_COMPILE([#include <krb5.h>],
3483       [krb5_error err; err.e_data = NULL;],
3484       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=yes,
3485       samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR=no)])
3486
3487   if test x"$samba_cv_HAVE_E_DATA_POINTER_IN_KRB5_ERROR" = x"yes"; then
3488     AC_DEFINE(HAVE_E_DATA_POINTER_IN_KRB5_ERROR,1,
3489                [Whether the krb5_error struct has a e_data pointer])
3490   fi
3491
3492   AC_CACHE_CHECK([for krb5_crypto type],
3493                 samba_cv_HAVE_KRB5_CRYPTO,[
3494     AC_TRY_COMPILE([#include <krb5.h>],
3495       [krb5_crypto crypto;],
3496       samba_cv_HAVE_KRB5_CRYPTO=yes,
3497       samba_cv_HAVE_KRB5_CRYPTO=no)])
3498
3499   if test x"$samba_cv_HAVE_KRB5_CRYPTO" = x"yes"; then
3500     AC_DEFINE(HAVE_KRB5_CRYPTO,1,
3501                [Whether the type krb5_crypto exists])
3502   fi
3503
3504   AC_CACHE_CHECK([for krb5_encrypt_block type],
3505                 samba_cv_HAVE_KRB5_ENCRYPT_BLOCK,[
3506     AC_TRY_COMPILE([#include <krb5.h>],
3507       [krb5_encrypt_block block;],
3508       samba_cv_HAVE_KRB5_ENCRYPT_BLOCK=yes,
3509       samba_cv_HAVE_KRB5_ENCRYPT_BLOCK=no)])
3510
3511   if test x"$samba_cv_HAVE_KRB5_ENCRYPT_BLOCK" = x"yes"; then
3512     AC_DEFINE(HAVE_KRB5_ENCRYPT_BLOCK,1,
3513                [Whether the type krb5_encrypt_block exists])
3514   fi
3515
3516   AC_CACHE_CHECK([for addrtype in krb5_address],
3517                 samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS,[
3518     AC_TRY_COMPILE([#include <krb5.h>],
3519       [krb5_address kaddr; kaddr.addrtype = ADDRTYPE_INET;],
3520       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=yes,
3521       samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS=no)])
3522
3523   if test x"$samba_cv_HAVE_ADDRTYPE_IN_KRB5_ADDRESS" = x"yes"; then
3524     AC_DEFINE(HAVE_ADDRTYPE_IN_KRB5_ADDRESS,1,
3525                [Whether the krb5_address struct has a addrtype property])
3526   fi
3527
3528   AC_CACHE_CHECK([for addr_type in krb5_address],
3529                  samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,[
3530     AC_TRY_COMPILE([#include <krb5.h>],
3531       [krb5_address kaddr; kaddr.addr_type = KRB5_ADDRESS_INET;],
3532       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=yes,
3533       samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS=no)])
3534
3535   if test x"$samba_cv_HAVE_ADDR_TYPE_IN_KRB5_ADDRESS" = x"yes"; then
3536     AC_DEFINE(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS,1,
3537               [Whether the krb5_address struct has a addr_type property])
3538   fi
3539
3540   AC_CACHE_CHECK([for enc_part2 in krb5_ticket],
3541                  samba_cv_HAVE_KRB5_TKT_ENC_PART2,
3542                  [AC_TRY_COMPILE([#include <krb5.h>],
3543     [krb5_ticket tkt; tkt.enc_part2->authorization_data[0]->contents = NULL;],
3544     samba_cv_HAVE_KRB5_TKT_ENC_PART2=yes,samba_cv_HAVE_KRB5_TKT_ENC_PART2=no)])
3545
3546   if test x"$samba_cv_HAVE_KRB5_TKT_ENC_PART2" = x"yes"; then
3547     AC_DEFINE(HAVE_KRB5_TKT_ENC_PART2,1,
3548               [Whether the krb5_ticket struct has a enc_part2 property])
3549   fi
3550
3551   AC_CACHE_CHECK([for keyblock in krb5_creds],
3552                  samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS,[
3553     AC_TRY_COMPILE([#include <krb5.h>],
3554       [krb5_creds creds; krb5_keyblock kb; creds.keyblock = kb;],
3555       samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS=yes,
3556       samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS=no)])
3557
3558   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_IN_CREDS" = x"yes"; then
3559     AC_DEFINE(HAVE_KRB5_KEYBLOCK_IN_CREDS,1,
3560               [Whether the krb5_creds struct has a keyblock property])
3561   fi
3562
3563   AC_CACHE_CHECK([for session in krb5_creds],
3564                  samba_cv_HAVE_KRB5_SESSION_IN_CREDS,[
3565     AC_TRY_COMPILE([#include <krb5.h>],
3566       [krb5_creds creds; krb5_keyblock kb; creds.session = kb;],
3567       samba_cv_HAVE_KRB5_SESSION_IN_CREDS=yes,
3568       samba_cv_HAVE_KRB5_SESSION_IN_CREDS=no)])
3569
3570   if test x"$samba_cv_HAVE_KRB5_SESSION_IN_CREDS" = x"yes"; then
3571     AC_DEFINE(HAVE_KRB5_SESSION_IN_CREDS,1,
3572               [Whether the krb5_creds struct has a session property])
3573   fi
3574
3575   AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
3576                  samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE,[
3577     AC_TRY_COMPILE([#include <krb5.h>],
3578       [krb5_keyblock key; key.keyvalue.data = NULL;],
3579       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=yes,
3580       samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE=no)])
3581
3582   if test x"$samba_cv_HAVE_KRB5_KEYBLOCK_KEYVALUE" = x"yes"; then
3583     AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
3584               [Whether the krb5_keyblock struct has a keyvalue property])
3585   fi
3586
3587   AC_CACHE_CHECK([for ENCTYPE_ARCFOUR_HMAC_MD5],
3588                  samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,[
3589     AC_TRY_COMPILE([#include <krb5.h>],
3590       [krb5_enctype enctype; enctype = ENCTYPE_ARCFOUR_HMAC_MD5;],
3591       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=yes,
3592       samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5=no)])
3593   AC_CACHE_CHECK([for KEYTYPE_ARCFOUR_56],
3594                  samba_cv_HAVE_KEYTYPE_ARCFOUR_56,[
3595     AC_TRY_COMPILE([#include <krb5.h>],
3596       [krb5_keytype keytype; keytype = KEYTYPE_ARCFOUR_56;],
3597       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=yes,
3598       samba_cv_HAVE_KEYTYPE_ARCFOUR_56=no)])
3599 # Heimdals with KEYTYPE_ARCFOUR but not KEYTYPE_ARCFOUR_56 are broken
3600 # w.r.t. arcfour and windows, so we must not enable it here
3601   if test x"$samba_cv_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5" = x"yes" -a\
3602           x"$samba_cv_HAVE_KEYTYPE_ARCFOUR_56" = x"yes"; then
3603     AC_DEFINE(HAVE_ENCTYPE_ARCFOUR_HMAC_MD5,1,
3604               [Whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type is available])
3605   fi
3606
3607   AC_CACHE_CHECK([for AP_OPTS_USE_SUBKEY],
3608                  samba_cv_HAVE_AP_OPTS_USE_SUBKEY,[
3609     AC_TRY_COMPILE([#include <krb5.h>],
3610       [krb5_flags ap_options; ap_options = AP_OPTS_USE_SUBKEY;],
3611       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=yes,
3612       samba_cv_HAVE_AP_OPTS_USE_SUBKEY=no)])
3613
3614   if test x"$samba_cv_HAVE_AP_OPTS_USE_SUBKEY" = x"yes"; then
3615     AC_DEFINE(HAVE_AP_OPTS_USE_SUBKEY,1,
3616               [Whether the AP_OPTS_USE_SUBKEY ap option is available])
3617   fi
3618
3619   AC_CACHE_CHECK([for KV5M_KEYTAB],
3620                  samba_cv_HAVE_KV5M_KEYTAB,[
3621     AC_TRY_COMPILE([#include <krb5.h>],
3622       [krb5_keytab_entry entry; entry.magic = KV5M_KEYTAB;],
3623       samba_cv_HAVE_KV5M_KEYTAB=yes,
3624       samba_cv_HAVE_KV5M_KEYTAB=no)])
3625
3626   if test x"$samba_cv_HAVE_KV5M_KEYTAB" = x"yes"; then
3627       AC_DEFINE(HAVE_KV5M_KEYTAB,1,
3628              [Whether the KV5M_KEYTAB option is available])
3629   fi
3630
3631   AC_CACHE_CHECK([for KRB5_KU_OTHER_CKSUM],
3632                  samba_cv_HAVE_KRB5_KU_OTHER_CKSUM,[
3633     AC_TRY_COMPILE([#include <krb5.h>],
3634       [krb5_keyusage usage = KRB5_KU_OTHER_CKSUM;],
3635       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=yes,
3636       samba_cv_HAVE_KRB5_KU_OTHER_CKSUM=no)])
3637
3638   if test x"$samba_cv_HAVE_KRB5_KU_OTHER_CKSUM" = x"yes"; then
3639     AC_DEFINE(HAVE_KRB5_KU_OTHER_CKSUM,1,
3640               [Whether KRB5_KU_OTHER_CKSUM is available])
3641   fi
3642
3643   AC_CACHE_CHECK([for KRB5_KEYUSAGE_APP_DATA_CKSUM],
3644                  samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,[
3645     AC_TRY_COMPILE([#include <krb5.h>],
3646       [krb5_keyusage usage = KRB5_KEYUSAGE_APP_DATA_CKSUM;],
3647       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=yes,
3648       samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM=no)])
3649
3650   if test x"$samba_cv_HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM" = x"yes"; then
3651     AC_DEFINE(HAVE_KRB5_KEYUSAGE_APP_DATA_CKSUM,1,
3652               [Whether KRB5_KEYUSAGE_APP_DATA_CKSUM is available])
3653   fi
3654
3655   AC_CACHE_CHECK([for the krb5_princ_component macro],
3656                 samba_cv_HAVE_KRB5_PRINC_COMPONENT,[
3657     AC_TRY_LINK([#include <krb5.h>],
3658       [const krb5_data *pkdata; krb5_context context; krb5_principal principal; pkdata = krb5_princ_component(context, principal, 0);],
3659       samba_cv_HAVE_KRB5_PRINC_COMPONENT=yes,
3660       samba_cv_HAVE_KRB5_PRINC_COMPONENT=no)])
3661
3662   if test x"$samba_cv_HAVE_KRB5_PRINC_COMPONENT" = x"yes"; then
3663     AC_DEFINE(HAVE_KRB5_PRINC_COMPONENT,1,
3664                [Whether krb5_princ_component is available])
3665   fi
3666
3667   AC_CACHE_CHECK([for key in krb5_keytab_entry],
3668                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY,[
3669     AC_TRY_COMPILE([#include <krb5.h>],
3670       [krb5_keytab_entry entry; krb5_keyblock e; entry.key = e;],
3671       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=yes,
3672       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY=no)])
3673
3674   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEY" = x"yes"; then
3675     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEY,1,
3676               [Whether krb5_keytab_entry has key member])
3677   fi
3678
3679   AC_CACHE_CHECK([for keyblock in krb5_keytab_entry],
3680                  samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,[
3681     AC_TRY_COMPILE([#include <krb5.h>],
3682       [krb5_keytab_entry entry; entry.keyblock.keytype = 0;],
3683       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=yes,
3684       samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK=no)])
3685
3686   if test x"$samba_cv_HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK" = x"yes"; then
3687     AC_DEFINE(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK,1,
3688               [Whether krb5_keytab_entry has keyblock member])
3689   fi
3690
3691   AC_CACHE_CHECK([for magic in krb5_address],
3692                  samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS,[
3693     AC_TRY_COMPILE([#include <krb5.h>],
3694       [krb5_address addr; addr.magic = 0;],
3695       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=yes,
3696       samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS=no)])
3697
3698   if test x"$samba_cv_HAVE_MAGIC_IN_KRB5_ADDRESS" = x"yes"; then
3699     AC_DEFINE(HAVE_MAGIC_IN_KRB5_ADDRESS,1,
3700               [Whether the krb5_address struct has a magic property])
3701   fi
3702
3703   AC_CACHE_CHECK([for WRFILE: keytab support],
3704                 samba_cv_HAVE_WRFILE_KEYTAB,[
3705     AC_TRY_RUN([
3706 #include<krb5.h>
3707   main()
3708   {
3709     krb5_context context;
3710     krb5_keytab keytab;
3711
3712     krb5_init_context(&context);
3713     return krb5_kt_resolve(context, "WRFILE:api", &keytab);
3714   }],
3715   samba_cv_HAVE_WRFILE_KEYTAB=yes,
3716   samba_cv_HAVE_WRFILE_KEYTAB=no)])
3717
3718   if test x"$samba_cv_HAVE_WRFILE_KEYTAB" = x"yes"; then
3719       AC_DEFINE(HAVE_WRFILE_KEYTAB,1,
3720                [Whether the WRFILE:-keytab is supported])
3721   fi
3722
3723   AC_CACHE_CHECK([for krb5_princ_realm returns krb5_realm or krb5_data],
3724                samba_cv_KRB5_PRINC_REALM_RETURNS_REALM,[
3725     AC_TRY_COMPILE([#include <krb5.h>],
3726     [
3727     krb5_context context;
3728     krb5_principal principal;
3729     krb5_realm realm; realm = *krb5_princ_realm(context, principal);],
3730     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=yes,
3731     samba_cv_KRB5_PRINC_REALM_RETURNS_REALM=no)])
3732
3733   if test x"$samba_cv_KRB5_PRINC_REALM_RETURNS_REALM" = x"yes"; then
3734     AC_DEFINE(KRB5_PRINC_REALM_RETURNS_REALM,1,
3735               [Whether krb5_princ_realm returns krb5_realm or krb5_data])
3736   fi
3737
3738   AC_CACHE_CHECK([for krb5_addresses type],
3739                 samba_cv_HAVE_KRB5_ADDRESSES,[
3740     AC_TRY_COMPILE([#include <krb5.h>],
3741       [krb5_addresses addr;],
3742       samba_cv_HAVE_KRB5_ADDRESSES=yes,
3743       samba_cv_HAVE_KRB5_ADDRESSES=no)])
3744
3745   if test x"$samba_cv_HAVE_KRB5_ADDRESSES" = x"yes"; then
3746     AC_DEFINE(HAVE_KRB5_ADDRESSES,1,
3747                [Whether the type krb5_addresses type exists])
3748   fi
3749
3750   AC_CACHE_CHECK([whether krb5_mk_error takes 3 arguments MIT or 9 Heimdal],
3751                 samba_cv_HAVE_SHORT_KRB5_MK_ERROR_INTERFACE, [