Add "registry" Group Policy extension.
[sfrench/samba-autobuild/.git] / source / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2
3 dnl We must use autotools 2.53 or above
4 AC_PREREQ(2.53)
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$tdbdir/include"
39 AC_SUBST(TDB_CFLAGS)
40 TDB_OBJ="common/tdb.o common/dump.o common/transaction.o common/error.o common/traverse.o"
41 TDB_OBJ="$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(SHLIBEXT)
77 AC_SUBST(INSTALLLIBCMD_SH)
78 AC_SUBST(INSTALLLIBCMD_A)
79 AC_SUBST(UNINSTALLLIBCMD_SH)
80 AC_SUBST(UNINSTALLLIBCMD_A)
81 AC_SUBST(INSTALL_LIBADDNS)
82 AC_SUBST(UNINSTALL_LIBADDNS)
83 AC_SUBST(LIBADDNS_SHARED)
84 AC_SUBST(LIBADDNS)
85
86 AC_SUBST(INSTALL_LIBWBCLIENT)
87 AC_SUBST(UNINSTALL_LIBWBCLIENT)
88 AC_SUBST(LIBWBCLIENT_SHARED)
89 AC_SUBST(LIBWBCLIENT_STATIC)
90 AC_SUBST(LIBWBCLIENT)
91 AC_SUBST(WINBIND_LIBS)
92
93 AC_SUBST(LIBSAMBAUTIL_SHARED)
94
95 AC_SUBST(INSTALL_LIBSMBCLIENT)
96 AC_SUBST(UNINSTALL_LIBSMBCLIENT)
97 AC_SUBST(LIBSMBCLIENT_SHARED)
98 AC_SUBST(LIBSMBCLIENT)
99 AC_SUBST(INSTALL_LIBSMBSHAREMODES)
100 AC_SUBST(UNINSTALL_LIBSMBSHAREMODES)
101 AC_SUBST(LIBSMBSHAREMODES_SHARED)
102 AC_SUBST(LIBSMBSHAREMODES)
103
104 AC_SUBST(PRINT_LIBS)
105 AC_SUBST(AUTH_LIBS)
106 AC_SUBST(ACL_LIBS)
107 AC_SUBST(PASSDB_LIBS)
108 AC_SUBST(IDMAP_LIBS)
109 AC_SUBST(KRB5_LIBS)
110 AC_SUBST(UUID_LIBS)
111 AC_SUBST(LDAP_LIBS)
112 AC_SUBST(GPEXT_LIBS)
113 AC_SUBST(PAM_MODULES)
114 AC_SUBST(INSTALL_PAM_MODULES)
115 AC_SUBST(UNINSTALL_PAM_MODULES)
116 AC_SUBST(NSS_MODULES)
117 AC_SUBST(EXTRA_BIN_PROGS)
118 AC_SUBST(CIFSMOUNT_PROGS)
119 AC_SUBST(INSTALL_CIFSMOUNT)
120 AC_SUBST(UNINSTALL_CIFSMOUNT)
121 AC_SUBST(CIFSSPNEGO_PROGS)
122 AC_SUBST(INSTALL_CIFSSPNEGO)
123 AC_SUBST(UNINSTALL_CIFSSPNEGO)
124 AC_SUBST(EXTRA_SBIN_PROGS)
125 AC_SUBST(EXTRA_ALL_TARGETS)
126 AC_SUBST(CONFIG_LIBS)
127 AC_SUBST(NSCD_LIBS)
128
129 # compile with optimization and without debugging by default, but
130 # allow people to set their own preference.
131 # do this here since AC_CACHE_CHECK apparently sets the CFLAGS to "-g -O2"
132 # if it has no value.  This prevent *very* large debug binaries from occurring
133 # by default.
134 if test "x$CFLAGS" = x; then
135   CFLAGS="-O"
136 fi
137 if test "x$debug" = "xyes" ; then
138         CFLAGS="${CFLAGS} -g"
139 else
140         CFLAGS="-O"
141 fi
142
143 CFLAGS="${CFLAGS} -D_SAMBA_BUILD_=3"
144
145 m4_include(lib/socket_wrapper/config.m4)
146 m4_include(lib/nss_wrapper/config.m4)
147
148 m4_include(m4/swat.m4)
149
150 # Probe the gcc version for extra CFLAGS. We always stash these in
151 # DEVELOPER_CFLAGS, so that you can turn them on and off with a simple
152 # Makefile edit, avoiding the need to re-run configure.
153 if test x"$ac_cv_prog_gcc" = x"yes" ; then
154         DEVELOPER_CFLAGS="-g -Wall -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -DDEBUG_PASSWORD -DDEVELOPER"
155         # Add -Wdeclaration-after-statement if compiler supports it
156         AC_CACHE_CHECK(
157           [that the C compiler understands -Wdeclaration-after-statement],
158           samba_cv_HAVE_Wdeclaration_after_statement, [
159           AC_TRY_RUN_STRICT([
160             int main(void)
161             {
162                 return 0;
163             }],[-Wdeclaration-after-statement],[$CPPFLAGS],[$LDFLAGS],
164             samba_cv_HAVE_Wdeclaration_after_statement=yes,
165             samba_cv_HAVE_Wdeclaration_after_statement=no,
166             samba_cv_HAVE_Wdeclaration_after_statement=cross)
167        ])
168
169         if test x"$samba_cv_HAVE_Wdeclaration_after_statement" = x"yes"; then
170             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Wdeclaration-after-statement"
171         fi
172
173         #-Werror-implicit-function-declaration
174         AC_CACHE_CHECK(
175           [that the C compiler understands -Werror-implicit-function-declaration],
176           samba_cv_HAVE_Werror_implicit_function_declaration, [
177           AC_TRY_RUN_STRICT([
178             int main(void)
179             {
180                 return 0;
181             }],[-Werror-implicit-function-declaration],[$CPPFLAGS],[$LDFLAGS],
182             samba_cv_HAVE_Werror_implicit_function_declaration=yes,
183             samba_cv_HAVE_Werror_implicit_function_declaration=no,
184             samba_cv_HAVE_Werror_implicit_function_declaration=cross)
185        ])
186        if test x"$samba_cv_HAVE_Werror_implicit_function_declaration" = x"yes"; then
187             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Werror-implicit-function-declaration"
188        fi
189
190         # krb5developer is like developer, except we don't get
191         # -Wstrict-prototypes.
192        if test x"$krb5_developer" != x"$yes" ; then
193             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Wstrict-prototypes"
194        fi
195 fi
196
197 AC_ARG_ENABLE(dmalloc, [AS_HELP_STRING([--enable-dmalloc], [Enable heap debugging [default=no]])])
198
199 if test "x$enable_dmalloc" = xyes
200 then
201         AC_DEFINE(ENABLE_DMALLOC, 1, [Define to turn on dmalloc debugging])
202         AC_DEFINE(DMALLOC_FUNC_CHECK, 1,
203                   [Define to check invariants around some common functions])
204         LIBS="$LIBS -ldmalloc"  
205 fi
206
207 #################################################
208 # check for a shared memory profiling support
209 AC_MSG_CHECKING(whether to use profiling)
210 AC_ARG_WITH(profiling-data,
211 [AS_HELP_STRING([--with-profiling-data], [Include gathering source code profile information (default=no)])],
212 [ case "$withval" in
213   yes)
214     AC_MSG_RESULT(yes)
215     AC_DEFINE(WITH_PROFILE,1,[Whether to use profiling])
216     samba_cv_WITH_PROFILE=yes
217     ;;
218   *)
219     AC_MSG_RESULT(no)
220     samba_cv_WITH_PROFILE=no
221     ;;
222   esac ],
223   AC_MSG_RESULT(no)
224 )
225
226 dnl Checks for programs.
227
228 AC_PROG_INSTALL
229 AC_PROG_AWK
230 AC_PATH_PROG(PERL, perl)
231
232 AC_CHECK_TOOL(AR, ar)
233
234 dnl Check if we use GNU ld
235 LD=ld
236 AC_PROG_LD_GNU
237
238 dnl Certain versions of GNU ld the default is not to have the
239 dnl --allow-shlib-undefined flag defined.  This causes a stackload of
240 dnl warnings when building modules.
241 if test "$ac_cv_prog_gnu_ld" = "yes"; then
242         ac_cv_gnu_ld_version=`$LD -v 2>/dev/null | head -1`
243         AC_MSG_CHECKING(GNU ld release date)
244         changequote(,)dnl
245         ac_cv_gnu_ld_date=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
246         changequote([,])dnl
247         AC_MSG_RESULT(${ac_cv_gnu_ld_date})
248         if test -n "$ac_cv_gnu_ld_date"; then
249         if test "$ac_cv_gnu_ld_date" -lt 20030217; then
250                 ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
251         fi
252         if test "$ac_cv_gnu_ld_date" -gt 20030101; then
253                 ac_cv_gnu_ld_version_script=yes
254         fi
255         else
256            AC_MSG_CHECKING(GNU ld release version)
257            changequote(,)dnl
258            ac_cv_gnu_ld_vernr=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([1-9][0-9]*\.[0-9][0-9]*\).*$,\1,p'`
259            ac_cv_gnu_ld_vernr_major=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 1`
260            ac_cv_gnu_ld_vernr_minor=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 2`
261            changequote([,])dnl
262            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr})
263            AC_MSG_CHECKING(GNU ld release version major)
264            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_major})
265            AC_MSG_CHECKING(GNU ld release version minor)
266            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_minor})
267            if test "$ac_cv_gnu_ld_vernr_major" -lt 2 || test "$ac_cv_gnu_ld_vernr_minor" -lt 14; then
268              ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
269            fi
270            if test "$ac_cv_gnu_ld_vernr_major" -gt 2 || test "$ac_cv_gnu_l= d_vernr_major"=2 && test "$ac_cv_gnu_ld_vernr_minor" -ge 12; then
271              ac_cv_gnu_ld_version_script=yes
272            fi
273         fi
274 fi
275
276 dnl look for executable suffix
277 AC_EXEEXT
278
279 dnl Check if C compiler understands -c and -o at the same time
280 AC_PROG_CC_C_O
281 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
282       BROKEN_CC=
283 else
284       BROKEN_CC=#
285 fi
286 AC_SUBST(BROKEN_CC)
287
288 dnl Check if the C compiler understands -Werror
289 AC_CACHE_CHECK([that the C compiler understands -Werror],samba_cv_HAVE_Werror, [
290  AC_TRY_RUN_STRICT([
291   int main(void)
292   {
293         return 0;
294   }],[-Werror],[$CPPFLAGS],[$LDFLAGS],
295   samba_cv_HAVE_Werror=yes,samba_cv_HAVE_Werror=no,samba_cv_HAVE_Werror=cross)])
296 if test x"$samba_cv_HAVE_Werror" = x"yes"; then
297    Werror_FLAGS="-Werror"
298 else
299 dnl Check if the C compiler understands -w2
300 AC_CACHE_CHECK([that the C compiler understands -w2],samba_cv_HAVE_w2, [
301  AC_TRY_RUN_STRICT([
302   int main(void)
303   {
304         return 0;
305   }],[-w2],[$CPPFLAGS],[$LDFLAGS],
306   samba_cv_HAVE_w2=yes,samba_cv_HAVE_w2=no,samba_cv_HAVE_w2=cross)])
307 if test x"$samba_cv_HAVE_w2" = x"yes"; then
308    Werror_FLAGS="-w2"
309 fi
310 fi
311
312 dnl Check if the C compiler understands volatile (it should, being ANSI).
313 AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [
314     AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
315         samba_cv_volatile=yes,samba_cv_volatile=no)])
316 if test x"$samba_cv_volatile" = x"yes"; then
317    AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
318 fi
319
320 ############################################
321 # check if the compiler can handle negative enum values
322 # and don't truncate the values to INT_MAX
323 # a runtime test is needed here
324 AC_SUBST(PIDL_ARGS)
325 AC_CACHE_CHECK([that the C compiler understands negative enum values],SMB_BUILD_CC_NEGATIVE_ENUM_VALUES, [
326     AC_TRY_RUN(
327 [
328         #include <stdio.h>
329         enum negative_values { NEGATIVE_VALUE = 0xFFFFFFFF };
330         int main(void) {
331                 enum negative_values v1 = NEGATIVE_VALUE;
332                 unsigned v2 = NEGATIVE_VALUE;
333
334                 if (v1 != 0xFFFFFFFF) {
335                         printf("%u != 0xFFFFFFFF\n", v1);
336                         return 1;
337                 }
338                 if (v2 != 0xFFFFFFFF) {
339                         printf("%u != 0xFFFFFFFF\n", v2);
340                         return 1;
341                 }
342
343                 return 0;
344         }
345 ],
346         SMB_BUILD_CC_NEGATIVE_ENUM_VALUES=yes,SMB_BUILD_CC_NEGATIVE_ENUM_VALUES=no)])
347 if test x"$SMB_BUILD_CC_NEGATIVE_ENUM_VALUES" != x"yes"; then
348         AC_MSG_WARN([using --unit-enums for pidl])
349         PIDL_ARGS="$PIDL_ARGS --uint-enums"
350 fi
351
352 dnl Figure out the flags to support named structure initializers
353
354 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_ERROR([c99 structure initializer are not supported])])
355
356 UNAME_S=`(uname -s) 2>/dev/null` || UNAME_S="unknown"
357 AC_MSG_CHECKING(uname -s)
358 AC_MSG_RESULT(${UNAME_S})
359
360 UNAME_R=`(uname -r) 2>/dev/null` || UNAME_R="unknown"
361 AC_MSG_CHECKING(uname -r)
362 AC_MSG_RESULT(${UNAME_R})
363
364 UNAME_M=`(uname -m) 2>/dev/null` || UNAME_M="unknown"
365 AC_MSG_CHECKING(uname -m)
366 AC_MSG_RESULT(${UNAME_M})
367
368 UNAME_P=`(uname -p) 2>/dev/null` || UNAME_P="unknown"
369 AC_MSG_CHECKING(uname -p)
370 AC_MSG_RESULT(${UNAME_P})
371
372 UNAME_I=`(uname -i) 2>/dev/null` || UNAME_I="unknown"
373 AC_MSG_CHECKING(uname -i)
374 AC_MSG_RESULT(${UNAME_I})
375
376 dnl Add #include for broken IRIX header files
377   case "$host_os" in
378         *irix6*)
379                 #TODO add to libreplace
380                 if test x"$ac_cv_prog_gcc" != x"yes" ; then
381                         dnl Fix sensible defaults for MIPSPro compilers. The
382                         dnl error numbers are valid for the 7.3 compilers,
383                         dnl hopefully also valid for the 7.4 series.
384                         dnl
385                         dnl Bugzilla 3801. Force an error on warning 1035
386                         dnl so we don't incorrectly detect stdint.h. This
387                         dnl warning is emitted for #error directives.
388                         CFLAGS="$CFLAGS -diag_error 1035"
389                         dnl 1209: Controlling expression is constant
390                         dnl 1174: Function foo declared but never referenced
391                         dnl 3201: Parameter foo was never referenced
392                         CFLAGS="$CFLAGS -woff 1209,1174,3201"
393                 fi
394         ;;
395 esac
396
397 DYNEXP=
398 AC_SUBST(DYNEXP)
399
400 dnl Add modules that have to be built by default here
401 dnl These have to be built static:
402 default_static_modules="pdb_smbpasswd pdb_tdbsam rpc_lsarpc rpc_samr rpc_winreg rpc_initshutdown rpc_dssetup rpc_wkssvc rpc_svcctl2 rpc_ntsvcs2 rpc_netlogon rpc_netdfs rpc_srvsvc2 rpc_spoolss rpc_eventlog2 auth_sam auth_unix auth_winbind auth_server auth_domain auth_builtin vfs_default nss_info_template"
403
404 dnl These are preferably build shared, and static if dlopen() is not available
405 default_shared_modules="vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 charset_CP850 charset_CP437 auth_script vfs_readahead vfs_xattr_tdb vfs_streams_xattr"
406
407 if test "x$developer" = xyes; then
408    default_static_modules="$default_static_modules rpc_rpcecho"
409    default_shared_modules="$default_shared_modules charset_weird"
410 fi
411
412 #
413 # Config CPPFLAG settings for strange OS's that must be set
414 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
415 # case statement; its first reference must be unconditional.
416 #
417 case "$host_os" in
418     *hpux*)
419 #
420 # Defines needed for HPUX support.
421 # HPUX has bigcrypt but (sometimes?) doesn't use it for
422 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
423 #
424       case `uname -r` in
425                 *9*|*10*|*11)
426                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
427                 ;;
428       esac
429       ;;
430
431 #
432 # CRAY Unicos has broken const handling
433        *unicos*)
434           AC_MSG_RESULT([disabling const])
435           CPPFLAGS="$CPPFLAGS -Dconst="
436           ;;
437         
438 #
439 # AIX4.x doesn't even admit to having large
440 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
441 #
442     *aix4*)
443           AC_MSG_RESULT([enabling large file support])
444       CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
445           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
446       ;;
447 #
448 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
449 # to the existance of large files..
450 # Note that -D_LARGEFILE64_SOURCE is different from the Sun
451 # recommendations on large file support, however it makes the
452 # compile work using gcc 2.7 and 2.8, whereas using the Sun
453 # recommendation makes the compile fail on gcc2.7. JRA.
454 #
455 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
456 #
457         *solaris*)
458                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
459                 case `uname -r` in
460                         5.0|5.0.*|5.1|5.1.*|5.2|5.2.*|5.3|5.3.*|5.5|5.5.*)
461                                 AC_MSG_RESULT([no large file support])
462                                 ;;
463                         5.*)
464                         AC_MSG_RESULT([enabling large file support])
465                         if test "$ac_cv_prog_gcc" = yes; then
466                                 ${CC-cc} -v >conftest.c 2>&1
467                                 ac_cv_gcc_compiler_version_number=`grep 'gcc version' conftest.c`
468                                 rm -fr conftest.c
469                                 case "$ac_cv_gcc_compiler_version_number" in
470                                         *"gcc version 2.6"*|*"gcc version 2.7"*)
471                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE -D_REENTRANT"
472                                                 LDFLAGS="$LDFLAGS -lthread"
473                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
474                                                 ;;
475                                         *)
476                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_REENTRANT -D_FILE_OFFSET_BITS=64"
477                                                 LDFLAGS="$LDFLAGS -lthread"
478                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
479                                                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
480                                                 ;;
481                                 esac
482                         else
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                         fi
488                         ;;
489                 esac
490                 ;;
491 #
492 # IRIX uses SYSV printing.  Make sure to set that here
493 #
494         *irix*)
495                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
496                 ;;
497         *freebsd*|*dragonfly*)
498                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
499                 ;;
500 #
501 # VOS may need to have POSIX support and System V compatibility enabled.
502 #
503     *vos*)
504     case "$CPPFLAGS" in
505           *-D_POSIX_C_SOURCE*)
506                 ;;
507           *)
508                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
509                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
510                 ;;
511     esac
512     case "$CPPFLAGS" in
513           *-D_SYSV*|*-D_SVID_SOURCE*)
514                 ;;
515           *)
516                 CPPFLAGS="$CPPFLAGS -D_SYSV"
517                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
518     esac
519     ;;
520 #
521 # Tests needed for SINIX large file support.
522 #
523     *sysv4*)
524       if test $host = mips-sni-sysv4 ; then
525         AC_MSG_CHECKING([for LFS support])
526         old_CPPFLAGS="$CPPFLAGS"
527         CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
528         AC_TRY_RUN([
529 #include <unistd.h>
530 main () {
531 #if _LFS64_LARGEFILE == 1
532 exit(0);
533 #else
534 exit(1);
535 #endif
536 }], [SINIX_LFS_SUPPORT=yes], [SINIX_LFS_SUPPORT=no], [SINIX_LFS_SUPPORT=cross])
537         CPPFLAGS="$old_CPPFLAGS"
538         if test x$SINIX_LFS_SUPPORT = xyes ; then
539           CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
540                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
541           CFLAGS="`getconf LFS64_CFLAGS` $CFLAGS"
542           LDFLAGS="`getconf LFS64_LDFLAGS` $LDFLAGS"
543           LIBS="`getconf LFS64_LIBS` $LIBS"
544         fi
545       AC_MSG_RESULT([$SINIX_LFS_SUPPORT])
546       fi
547     ;;
548
549 # Tests for linux LFS support. Need kernel 2.4 and glibc2.2 or greater support.
550 #
551     *linux*)
552         AC_MSG_CHECKING([for LFS support])
553         old_CPPFLAGS="$CPPFLAGS"
554         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
555        AC_TRY_RUN([
556 #include <unistd.h>
557 #include <sys/utsname.h>
558 #include <string.h>
559 #include <stdlib.h>
560 main() {
561 #if _LFS64_LARGEFILE == 1
562        struct utsname uts;
563        char *release;
564        int major, minor;
565
566        /* Ensure this is glibc 2.2 or higher */
567 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
568        int libc_major = __GLIBC__;
569        int libc_minor = __GLIBC_MINOR__;
570
571        if (libc_major < 2)
572               exit(1);
573        if (libc_minor < 2)
574               exit(1);
575 #endif
576
577        /* Ensure this is kernel 2.4 or higher */
578
579        uname(&uts);
580        release = strdup(uts.release);
581        major = atoi(strsep(&release, "."));
582        minor = atoi(strsep(&release, "."));
583
584        if (major > 2 || (major == 2 && minor > 3))
585                exit(0);
586        exit(1);
587 #else
588        exit(1);
589 #endif
590 }
591 ], [LINUX_LFS_SUPPORT=yes], [LINUX_LFS_SUPPORT=no], [LINUX_LFS_SUPPORT=cross])
592         CPPFLAGS="$old_CPPFLAGS"
593         if test x$LINUX_LFS_SUPPORT = xyes ; then
594                 CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
595                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
596                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
597                 AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
598         fi
599         AC_MSG_RESULT([$LINUX_LFS_SUPPORT])
600         ;;
601
602 #
603 # MacOS X is the *only* system that uses compose character in utf8. This
604 # is so horribly broken....
605 #
606     *darwin*)
607         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
608
609 # Add a system specific charset module.
610         default_shared_modules="$default_shared_modules charset_macosxfs"
611
612         ;;
613     *hurd*)
614         AC_MSG_CHECKING([for LFS support])
615         old_CPPFLAGS="$CPPFLAGS"
616         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
617         AC_TRY_RUN([
618 #include <unistd.h>
619 main () {
620 #if _LFS64_LARGEFILE == 1
621 exit(0);
622 #else
623 exit(1);
624 #endif
625 }], [GLIBC_LFS_SUPPORT=yes], [GLIBC_LFS_SUPPORT=no], [GLIBC_LFS_SUPPORT=cross])
626         CPPFLAGS="$old_CPPFLAGS"
627         if test x$GLIBC_LFS_SUPPORT = xyes ; then
628           CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
629                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
630           AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
631         fi
632       AC_MSG_RESULT([$GLIBC_LFS_SUPPORT])
633     ;;
634
635 esac
636
637 SAVE_CPPFLAGS="${CPPFLAGS}"
638 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
639
640 AC_LIBREPLACE_BROKEN_CHECKS
641
642 CPPFLAGS="${SAVE_CPPFLAGS}"
643
644 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
645
646 LIBREPLACE_OBJS=""
647 for obj in ${LIBREPLACEOBJ}; do
648         LIBREPLACE_OBJS="${LIBREPLACE_OBJS} ${LIBREPLACE_DIR}/${obj}"
649 done
650 AC_SUBST(LIBREPLACE_OBJS)
651
652 # add -ldl to the global LIBS
653 LIBS="${LIBS} ${LIBDL}"
654
655 AC_CHECK_HEADERS(aio.h arpa/inet.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
656 AC_CHECK_HEADERS(unistd.h utime.h grp.h sys/id.h memory.h alloca.h)
657 AC_CHECK_HEADERS(limits.h float.h pthread.h)
658 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
659 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h)
660 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h sys/socket.h)
661 AC_CHECK_HEADERS(sys/un.h ifaddrs.h)
662 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
663 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h sys/sockio.h)
664 AC_CHECK_HEADERS(sys/sysmacros.h)
665 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
666 AC_CHECK_HEADERS(langinfo.h locale.h)
667 AC_CHECK_HEADERS(xfs/libxfs.h)
668 AC_CHECK_HEADERS(netgroup.h)
669
670 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
671 #if HAVE_RPC_RPC_H
672 #include <rpc/rpc.h>
673 #endif
674 ]])
675
676 ## These fail to compile on IRIX so just check for their presence
677 AC_CHECK_HEADERS(sys/mode.h,,,)
678
679 # Look for Darwin headers
680 old_CPPFLAGS="$CPPFLAGS"
681 CPPFLAGS="-Iinclude $CPPFLAGS"
682 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
683 CPPFLAGS="$old_CPPFLAGS"
684
685 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
686 # subdirectory of headers.
687 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
688
689 # check for linux on amd64 since valgrind is not quite there yet
690 case "$host_os" in
691         *linux*)
692                 case "$UNAME_P" in
693                         *x86_64*)
694                                 AC_DEFINE(HAVE_64BIT_LINUX,1,[Whether we are running on 64bit linux])
695                                 ;;
696                 esac
697                 ;;
698 esac
699
700
701 #
702 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
703 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
704 #
705 case "$host_os" in
706     *hpux*)
707                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
708                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
709                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
710                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
711                 fi
712         ;;
713 esac
714 AC_CHECK_HEADERS(shadow.h)
715 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
716 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
717
718 AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h sys/extattr.h sys/uio.h)
719 AC_CHECK_HEADERS(sys/ea.h sys/proplist.h)
720
721 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
722
723 # For experimental utmp support (lastlog on some BSD-like systems)
724 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
725
726 AC_CHECK_SIZEOF(int,cross)
727 AC_CHECK_SIZEOF(long,cross)
728 AC_CHECK_SIZEOF(long long,cross)
729 AC_CHECK_SIZEOF(short,cross)
730
731 AC_C_CONST
732 AC_C_INLINE
733 AC_C_BIGENDIAN
734 AC_C_CHAR_UNSIGNED
735
736 AC_TYPE_SIGNAL
737 AC_TYPE_UID_T
738 AC_TYPE_MODE_T
739 AC_TYPE_OFF_T
740 AC_TYPE_SIZE_T
741 AC_TYPE_PID_T
742 AC_STRUCT_ST_RDEV
743 AC_DIRENT_D_OFF
744 AC_CHECK_TYPE(ssize_t, int)
745 AC_CHECK_TYPE(wchar_t, unsigned short)
746
747 ############################################
748 # for cups support we need libcups, and a handful of header files
749
750 AC_ARG_ENABLE(cups,
751 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
752
753 if test x$enable_cups != xno; then
754         AC_PATH_PROG(CUPS_CONFIG, cups-config)
755
756         if test "x$CUPS_CONFIG" != x; then
757                 AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
758                 CFLAGS="$CFLAGS `$CUPS_CONFIG --cflags`"
759                 LDFLAGS="$LDFLAGS `$CUPS_CONFIG --ldflags`"
760                 PRINT_LIBS="$PRINT_LIBS `$CUPS_CONFIG --libs`"
761         elif test x"$enable_cups" = x"yes"; then
762                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
763         fi
764 fi
765
766 AC_ARG_ENABLE(iprint,
767 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
768
769 if test x$enable_iprint != xno; then
770         if test "x$CUPS_CONFIG" != x; then
771                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
772         elif test x"$enable_iprint" = x"yes"; then
773                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
774         fi
775 fi
776
777 ############################################
778 # check if the compiler will optimize out function calls
779 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
780     AC_TRY_LINK([
781 #include <stdio.h>],
782 [
783                 if (0) {
784                    this_function_does_not_exist();
785                 } else {
786                   return 1;
787                 }
788
789 ],
790         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
791 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
792    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
793 fi
794
795 ############################################
796 # check for unix domain sockets
797 AC_CACHE_CHECK([for unix domain sockets],samba_cv_unixsocket, [
798     AC_TRY_COMPILE([
799 #include <sys/types.h>
800 #include <stdlib.h>
801 #include <stddef.h>
802 #include <sys/socket.h>
803 #include <sys/un.h>],
804 [
805   struct sockaddr_un sunaddr;
806   sunaddr.sun_family = AF_UNIX;
807 ],
808         samba_cv_unixsocket=yes,samba_cv_unixsocket=no)])
809 if test x"$samba_cv_unixsocket" = x"yes"; then
810    AC_DEFINE(HAVE_UNIXSOCKET,1,[If we need to build with unixsocket support])
811 fi
812
813 #############################################
814 # check for fd passing struct via msg_control
815 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
816     AC_TRY_COMPILE([
817 #include <sys/types.h>
818 #include <stdlib.h>
819 #include <stddef.h>
820 #include <sys/socket.h>
821 #include <sys/un.h>],
822 [
823         struct msghdr msg;
824         union {
825               struct cmsghdr cm;
826               char control[CMSG_SPACE(sizeof(int))];
827         } control_un;
828         msg.msg_control = control_un.control;
829         msg.msg_controllen = sizeof(control_un.control);
830 ],
831         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
832 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
833    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
834              [If we can use msg_control for passing file descriptors])
835 fi
836
837 #############################################
838 # check for fd passing struct via msg_acctrights
839 AC_CACHE_CHECK([for fd passing via msg_acctrights],
840                 samba_cv_msghdr_msg_acctrights, [
841     AC_TRY_COMPILE([
842 #include <sys/types.h>
843 #include <stdlib.h>
844 #include <stddef.h>
845 #include <sys/socket.h>
846 #include <sys/un.h>],
847 [
848         struct msghdr msg;
849         int fd;
850         msg.msg_acctrights = (caddr_t) &fd;
851         msg.msg_acctrightslen = sizeof(fd);
852 ],
853         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
854 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
855    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
856              [If we can use msg_acctrights for passing file descriptors])
857 fi
858
859 AC_CHECK_FUNCS(dirfd)
860 if test x"$ac_cv_func_dirfd" = x"yes"; then
861         default_shared_modules="$default_shared_modules vfs_syncops"
862 fi
863
864 AC_CACHE_CHECK([for sig_atomic_t type],samba_cv_sig_atomic_t, [
865     AC_TRY_COMPILE([
866 #include <sys/types.h>
867 #if STDC_HEADERS
868 #include <stdlib.h>
869 #include <stddef.h>
870 #endif
871 #include <signal.h>],[sig_atomic_t i = 0],
872         samba_cv_sig_atomic_t=yes,samba_cv_sig_atomic_t=no)])
873 if test x"$samba_cv_sig_atomic_t" = x"yes"; then
874    AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
875 fi
876
877 AC_CACHE_CHECK([for struct timespec type],samba_cv_struct_timespec, [
878     AC_TRY_COMPILE([
879 #include <sys/types.h>
880 #if STDC_HEADERS
881 #include <stdlib.h>
882 #include <stddef.h>
883 #endif
884 #if TIME_WITH_SYS_TIME
885 # include <sys/time.h>
886 # include <time.h>
887 #else
888 # if HAVE_SYS_TIME_H
889 #  include <sys/time.h>
890 # else
891 #  include <time.h>
892 # endif
893 #endif
894 ],[struct timespec ts;],
895         samba_cv_struct_timespec=yes,samba_cv_struct_timespec=no)])
896 if test x"$samba_cv_struct_timespec" = x"yes"; then
897    AC_DEFINE(HAVE_STRUCT_TIMESPEC,1,[Whether we have struct timespec])
898 fi
899
900 # stupid headers have the functions but no declaration. grrrr.
901 AC_HAVE_DECL(errno, [#include <errno.h>])
902 AC_HAVE_DECL(setresuid, [#include <unistd.h>])
903 AC_HAVE_DECL(setresgid, [#include <unistd.h>])
904
905 # and glibc has setresuid under linux but the function does
906 # nothing until kernel 2.1.44! very dumb.
907 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
908     AC_TRY_RUN([#include <errno.h>
909 main() { setresuid(1,1,1); setresuid(2,2,2); exit(errno==EPERM?0:1);}],
910         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
911 if test x"$samba_cv_have_setresuid" = x"yes"; then
912     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
913 fi
914
915 # Do the same check for setresguid...
916 #
917 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
918     AC_TRY_RUN([#include <unistd.h>
919 #include <errno.h>
920 main() { errno = 0; setresgid(1,1,1); exit(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
921         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
922 if test x"$samba_cv_have_setresgid" = x"yes"; then
923     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
924 fi
925
926 AC_FUNC_MEMCMP
927
928 ###############################################
929 # Readline included by default unless explicitly asked not to
930 test "${with_readline+set}" != "set" && with_readline=yes
931
932 # test for where we get readline() from
933 AC_MSG_CHECKING(whether to use readline)
934 AC_ARG_WITH(readline,
935 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
936 [  case "$with_readline" in
937   yes)
938     AC_MSG_RESULT(yes)
939
940     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
941     AC_CHECK_HEADERS(readline/history.h)
942
943     AC_CHECK_HEADERS(readline.h readline/readline.h,[
944       for termlib in ncurses curses termcap terminfo termlib tinfo; do
945        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
946       done
947       AC_CHECK_LIB(readline, rl_callback_handler_install,
948        [TERMLIBS="-lreadline $TERMLIBS"
949        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
950        break], [TERMLIBS=], $TERMLIBS)])
951     ;;
952   no)
953     AC_MSG_RESULT(no)
954     ;;
955   *)
956     AC_MSG_RESULT(yes)
957
958     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
959     # alternate readline path
960     _ldflags=${LDFLAGS}
961     _cppflags=${CPPFLAGS}
962
963     # Add additional search path
964     LDFLAGS="-L$with_readline/lib $LDFLAGS"
965     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
966
967     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
968     AC_CHECK_HEADERS(readline/history.h)
969
970     AC_CHECK_HEADERS(readline.h readline/readline.h,[
971       for termlib in ncurses curses termcap terminfo termlib; do
972        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
973       done
974       AC_CHECK_LIB(readline, rl_callback_handler_install,
975        [TERMLDFLAGS="-L$with_readline/lib"
976        TERMCPPFLAGS="-I$with_readline/include"
977        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
978        TERMLIBS="-lreadline $TERMLIBS"
979        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
980        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
981
982     LDFLAGS=$_ldflags
983     ;;
984   esac],
985   AC_MSG_RESULT(no)
986 )
987 AC_SUBST(TERMLIBS)
988 AC_SUBST(TERMLDFLAGS)
989
990 # The readline API changed slightly from readline3 to readline4, so
991 # code will generate warnings on one of them unless we have a few
992 # special cases.
993 AC_CHECK_LIB(readline, rl_completion_matches,
994              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
995                         [Do we have rl_completion_matches?])],
996              [],
997              [$TERMLIBS])
998
999 # not all readline libs have rl_event_hook or history_list
1000 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
1001 AC_CHECK_LIB(readline, history_list,
1002              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
1003              [],
1004              [$TERMLIBS])
1005
1006 # The following test taken from the cvs sources
1007 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
1008 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
1009 # libsocket.so which has a bad implementation of gethostbyname (it
1010 # only looks in /etc/hosts), so we only look for -lsocket if we need
1011 # it.
1012 AC_CHECK_FUNCS(connect)
1013 if test x"$ac_cv_func_connect" = x"no"; then
1014     case "$LIBS" in
1015     *-lnsl*) ;;
1016     *) AC_CHECK_LIB(nsl_s, connect) ;;
1017     esac
1018     case "$LIBS" in
1019     *-lnsl*) ;;
1020     *) AC_CHECK_LIB(nsl, connect) ;;
1021     esac
1022     case "$LIBS" in
1023     *-lsocket*) ;;
1024     *) AC_CHECK_LIB(socket, connect) ;;
1025     esac
1026     case "$LIBS" in
1027     *-linet*) ;;
1028     *) AC_CHECK_LIB(inet, connect) ;;
1029     esac
1030     dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
1031     dnl has been cached.
1032     if test x"$ac_cv_lib_socket_connect" = x"yes" ||
1033        test x"$ac_cv_lib_inet_connect" = x"yes"; then
1034         # ac_cv_func_connect=yes
1035         # don't!  it would cause AC_CHECK_FUNC to succeed next time configure is run
1036         AC_DEFINE(HAVE_CONNECT,1,[Whether the system has connect()])
1037     fi
1038 fi
1039
1040 ###############################################
1041 # test for where we get yp_get_default_domain() from
1042 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
1043 AC_CHECK_FUNCS(yp_get_default_domain)
1044
1045 # Check if we have execl, if not we need to compile smbrun.
1046 AC_CHECK_FUNCS(execl)
1047 if test x"$ac_cv_func_execl" = x"no"; then
1048     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun\$(EXEEXT)"
1049 fi
1050
1051 AC_CHECK_FUNCS(waitpid getcwd strdup strndup strnlen strerror chown fchown lchown chmod fchmod chroot link mknod mknod64)
1052 AC_CHECK_FUNCS(strtol strtoll strtoul strtoull strtouq __strtoull)
1053 AC_CHECK_FUNCS(fstat strchr utime utimes chflags)
1054 AC_CHECK_FUNCS(getrlimit fsync fdatasync memset strlcpy strlcat setpgid)
1055 AC_CHECK_FUNCS(memmove setsid glob strpbrk pipe crypt16 getauthuid)
1056 AC_CHECK_FUNCS(strftime sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
1057 AC_CHECK_FUNCS(initgroups select poll rdchk getgrnam getgrent pathconf realpath)
1058 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups sysconf mktime rename ftruncate chsize stat64 fstat64)
1059 AC_CHECK_FUNCS(lstat64 fopen64 atexit grantpt dup2 lseek64 ftruncate64)
1060 AC_CHECK_FUNCS(fseek64 fseeko64 ftell64 ftello64 setluid getpwanam setlinebuf)
1061 AC_CHECK_FUNCS(opendir64 readdir64 seekdir64 telldir64 rewinddir64 closedir64)
1062 AC_CHECK_FUNCS(getpwent_r)
1063 AC_CHECK_FUNCS(getdents getdents64)
1064 AC_CHECK_FUNCS(srandom random srand rand setenv usleep strcasecmp fcvt fcvtl symlink readlink)
1065 AC_CHECK_FUNCS(syslog vsyslog timegm)
1066 AC_CHECK_FUNCS(setlocale nl_langinfo)
1067 AC_CHECK_FUNCS(nanosleep)
1068 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
1069 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
1070 AC_CHECK_HEADERS(sys/mman.h)
1071 # setbuffer, shmget, shm_open are needed for smbtorture
1072 AC_CHECK_FUNCS(setbuffer shmget shm_open)
1073
1074 # Find a method of generating a stack trace
1075 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
1076 AC_CHECK_FUNCS(backtrace_symbols)
1077 AC_CHECK_LIB(exc, trace_back_stack)
1078
1079 echo -n "checking for GPFS GPL libs... "
1080 save_LIBS="$LIBS"
1081 LIBS="$LIBS -lgpfs_gpl"
1082 AC_TRY_LINK([#include <gpfs_gpl.h>],
1083           [gpfs_set_share(0,GPFS_SHARE_READ,GPFS_DENY_NONE)],
1084           samba_cv_HAVE_GPFS=yes,
1085           samba_cv_HAVE_GPFS=no)
1086 echo $samba_cv_HAVE_GPFS
1087 if test x"$samba_cv_HAVE_GPFS" = x"yes"; then
1088     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL libs are available])
1089     default_shared_modules="$default_shared_modules vfs_gpfs"
1090 fi
1091 LIBS="$save_LIBS"
1092
1093 # Note that all the libunwind symbols in the API are defined to internal
1094 # platform-specific version, so we must include libunwind.h before checking
1095 # any of them.
1096 AC_MSG_CHECKING([for libunwind])
1097 save_LIBS=$LIBS
1098
1099 UNWIND_ARCH="unknown"
1100 if test x"$UNAME_I" != x"unknown"; then
1101         UNWIND_ARCH="$UNAME_I"
1102 elif test x"$UNAME_M" != x"unknown"; then
1103         UNWIND_ARCH="$UNAME_M"
1104 elif test x"$UNAME_P" != x"unknown"; then
1105         UNWIND_ARCH="$UNAME_P"
1106 fi
1107
1108 case "$UNWIND_ARCH" in
1109         unknown)
1110                 # This probably won't link without
1111                 # the platform-specific libunwind.
1112                 LIBS="$LIBS -lunwind"
1113                 ;;
1114         i386|i586|i686)
1115                 # Add the platform-specific libunwind module.
1116                 LIBS="$LIBS -lunwind -lunwind-x86"
1117                 ;;
1118         *)
1119                 # Add the platform-specific libunwind module.
1120                 # based on uname -i, uname -m or uname -p
1121                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1122                 ;;
1123 esac
1124
1125 AC_TRY_LINK(
1126     [
1127 #ifdef HAVE_LIBUNWIND_H
1128 #include <libunwind.h>
1129 #endif
1130     ],
1131     [
1132         unw_context_t ctx; unw_cursor_t cur;
1133         char buf[256]; unw_word_t off;
1134         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1135         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1136     ],
1137     [
1138         AC_MSG_RESULT(yes)
1139         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1140
1141         # If we have libunwind, test whether we also have libunwind-ptrace
1142         # which would let us unwind arbitrary processes.
1143         save_LIBS=$LIBS
1144         AC_CHECK_HEADERS(libunwind-ptrace.h)
1145         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1146             [
1147                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1148                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1149                     [Whether libunwind-ptrace.a is available.])
1150             ],
1151             [ LIBUNWIND_PTRACE="" ])
1152
1153         LIBS=$save_LIBS
1154     ],
1155     [
1156         AC_MSG_RESULT(no)
1157         LIBS=$save_LIBS
1158     ])
1159
1160 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1161 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1162     AC_CHECK_HEADERS(sys/ptrace.h)
1163     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1164     AC_TRY_LINK(
1165             [
1166 #if HAVE_SYS_TYPES_H
1167 #include <sys/types.h>
1168 #endif
1169 #if HAVE_SYS_PTRACE_H
1170 #include <sys/ptrace.h>
1171 #endif
1172             ],
1173             [
1174                 int main(int argc, const char ** argv)
1175                 {
1176                         pid_t me = (pid_t)-1;
1177                         ptrace(PTRACE_ATTACH, me, 0, 0);
1178                         ptrace(PTRACE_DETACH, me, 0, 0);
1179                         return 0;
1180                 }
1181             ],
1182             [
1183                 AC_MSG_RESULT(yes)
1184                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1185                     [Whether the Linux ptrace(2) interface is available.])
1186             ],
1187             [
1188                 AC_MSG_RESULT(no)
1189                 LIBUNWIND_PTRACE=""
1190             ])
1191 fi
1192
1193 AC_SUBST(LIBUNWIND_PTRACE)
1194
1195 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1196 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1197 AC_CHECK_FUNCS(__getcwd _getcwd)
1198 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1199 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1200 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1201 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1202 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1203 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1204 AC_CHECK_FUNCS(_stat64 __stat64 _fstat64 __fstat64 _lstat64 __lstat64)
1205 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek readdir64 _readdir64 __readdir64)
1206 AC_CHECK_FUNCS(pread _pread __pread pread64 _pread64 __pread64)
1207 AC_CHECK_FUNCS(pwrite _pwrite __pwrite pwrite64 _pwrite64 __pwrite64)
1208 AC_CHECK_FUNCS(open64 _open64 __open64 creat64)
1209 AC_CHECK_FUNCS(prctl)
1210
1211 AC_TRY_COMPILE([
1212 #ifdef HAVE_SYS_PRCTL_H
1213 #include <sys/prctl.h>
1214 #endif
1215 ],
1216 [int i; i = prtcl(0); ],
1217 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1218
1219 #
1220 #
1221 #
1222 case "$host_os" in
1223     *linux*)
1224        # glibc <= 2.3.2 has a broken getgrouplist
1225        AC_TRY_RUN([
1226 #include <unistd.h>
1227 #include <sys/utsname.h>
1228 main() {
1229        /* glibc up to 2.3 has a broken getgrouplist */
1230 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1231        int libc_major = __GLIBC__;
1232        int libc_minor = __GLIBC_MINOR__;
1233
1234        if (libc_major < 2)
1235               exit(1);
1236        if ((libc_major == 2) && (libc_minor <= 3))
1237               exit(1);
1238 #endif
1239        exit(0);
1240 }
1241 ], [linux_getgrouplist_ok=yes], [linux_getgrouplist_ok=no])
1242        if test x"$linux_getgrouplist_ok" = x"yes"; then
1243           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1244        fi
1245        ;;
1246     *)
1247        AC_CHECK_FUNCS(getgrouplist)
1248        ;;
1249 esac
1250
1251 #
1252 # stat64 family may need <sys/stat.h> on some systems, notably ReliantUNIX
1253 #
1254
1255 if test x$ac_cv_func_stat64 = xno ; then
1256   AC_MSG_CHECKING([for stat64 in <sys/stat.h>])
1257   AC_TRY_LINK([
1258 #if defined(HAVE_UNISTD_H)
1259 #include <unistd.h>
1260 #endif
1261 #include <sys/stat.h>
1262 ], [struct stat64 st64; exit(stat64(".",&st64));], [ac_cv_func_stat64=yes])
1263   AC_MSG_RESULT([$ac_cv_func_stat64])
1264   if test x$ac_cv_func_stat64 = xyes ; then
1265     AC_DEFINE(HAVE_STAT64,1,[Whether stat64() is available])
1266   fi
1267 fi
1268
1269 if test x$ac_cv_func_lstat64 = xno ; then
1270   AC_MSG_CHECKING([for lstat64 in <sys/stat.h>])
1271   AC_TRY_LINK([
1272 #if defined(HAVE_UNISTD_H)
1273 #include <unistd.h>
1274 #endif
1275 #include <sys/stat.h>
1276 ], [struct stat64 st64; exit(lstat64(".",&st64));], [ac_cv_func_lstat64=yes])
1277   AC_MSG_RESULT([$ac_cv_func_lstat64])
1278   if test x$ac_cv_func_lstat64 = xyes ; then
1279     AC_DEFINE(HAVE_LSTAT64,[Whether lstat64() is available])
1280   fi
1281 fi
1282
1283 if test x$ac_cv_func_fstat64 = xno ; then
1284   AC_MSG_CHECKING([for fstat64 in <sys/stat.h>])
1285   AC_TRY_LINK([
1286 #if defined(HAVE_UNISTD_H)
1287 #include <unistd.h>
1288 #endif
1289 #include <sys/stat.h>
1290 ], [struct stat64 st64; exit(fstat64(0,&st64));], [ac_cv_func_fstat64=yes])
1291   AC_MSG_RESULT([$ac_cv_func_fstat64])
1292   if test x$ac_cv_func_fstat64 = xyes ; then
1293     AC_DEFINE(HAVE_FSTAT64,1,[Whether fstat64() is available])
1294   fi
1295 fi
1296
1297 #################################################
1298 # Check whether struct stat has timestamps with sub-second resolution.
1299 # At least IRIX and Solaris have these.
1300 #
1301 # We check that
1302 #       all of st_mtim, st_atim and st_ctim exist
1303 #       all of the members are in fact of type struct timespec
1304 #
1305 # There is some conflicting standards weirdness about whether we should use
1306 # "struct timespec" or "timespec_t". Linux doesn't have timespec_t, so we
1307 # prefer struct timespec.
1308
1309 AC_CACHE_CHECK([whether struct stat has sub-second timestamps], samba_stat_hires,
1310     [
1311         AC_TRY_COMPILE(
1312             [
1313 #if TIME_WITH_SYS_TIME
1314 # include <sys/time.h>
1315 # include <time.h>
1316 #else
1317 # if HAVE_SYS_TIME_H
1318 #  include <sys/time.h>
1319 # else
1320 #  include <time.h>
1321 # endif
1322 #endif
1323 #ifdef HAVE_SYS_STAT_H
1324 #include <sys/stat.h>
1325 #endif
1326             ],
1327             [
1328                 struct timespec t;
1329                 struct stat s = {0};
1330                 t.tv_sec = s.st_mtim.tv_sec;
1331                 t.tv_nsec = s.st_mtim.tv_nsec;
1332                 t.tv_sec = s.st_ctim.tv_sec;
1333                 t.tv_nsec = s.st_ctim.tv_nsec;
1334                 t.tv_sec = s.st_atim.tv_sec;
1335                 t.tv_nsec = s.st_atim.tv_nsec;
1336             ],
1337             samba_stat_hires=yes, samba_stat_hires=no)
1338     ])
1339
1340 if test x"$samba_stat_hires" = x"yes" ; then
1341     AC_DEFINE(HAVE_STAT_ST_MTIM, 1, [whether struct stat contains st_mtim])
1342     AC_DEFINE(HAVE_STAT_ST_ATIM, 1, [whether struct stat contains st_atim])
1343     AC_DEFINE(HAVE_STAT_ST_CTIM, 1, [whether struct stat contains st_ctim])
1344     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1345             [whether struct stat has sub-second timestamps])
1346 fi
1347
1348 AC_CACHE_CHECK([whether struct stat has sub-second timestamps without struct timespec], samba_stat_hires_notimespec,
1349     [
1350         AC_TRY_COMPILE(
1351             [
1352 #if TIME_WITH_SYS_TIME
1353 # include <sys/time.h>
1354 # include <time.h>
1355 #else
1356 # if HAVE_SYS_TIME_H
1357 #  include <sys/time.h>
1358 # else
1359 #  include <time.h>
1360 # endif
1361 #endif
1362 #ifdef HAVE_SYS_STAT_H
1363 #include <sys/stat.h>
1364 #endif
1365             ],
1366             [
1367                 struct timespec t;
1368                 struct stat s = {0};
1369                 t.tv_sec = s.st_mtime;
1370                 t.tv_nsec = s.st_mtimensec;
1371                 t.tv_sec = s.st_ctime;
1372                 t.tv_nsec = s.st_ctimensec;
1373                 t.tv_sec = s.st_atime;
1374                 t.tv_nsec = s.st_atimensec;
1375             ],
1376             samba_stat_hires=yes, samba_stat_hires=no)
1377     ])
1378
1379 if test x"$samba_stat_hires_notimespec" = x"yes" ; then
1380     AC_DEFINE(HAVE_STAT_ST_MTIMENSEC, 1, [whether struct stat contains st_mtimensec])
1381     AC_DEFINE(HAVE_STAT_ST_ATIMENSEC, 1, [whether struct stat contains st_atimensec])
1382     AC_DEFINE(HAVE_STAT_ST_CTIMENSEC, 1, [whether struct stat contains st_ctimensec])
1383     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1384             [whether struct stat has sub-second timestamps without struct timespec])
1385 fi
1386
1387 #####################################
1388 # needed for SRV lookups
1389 AC_CHECK_LIB(resolv, dn_expand)
1390 AC_CHECK_LIB(resolv, _dn_expand)
1391 AC_CHECK_LIB(resolv, __dn_expand)
1392
1393 #
1394 # Check for the functions putprpwnam, set_auth_parameters,
1395 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1396 # Needed for OSF1 and HPUX.
1397 #
1398
1399 AC_LIBTESTFUNC(security, putprpwnam)
1400 AC_LIBTESTFUNC(sec, putprpwnam)
1401
1402 AC_LIBTESTFUNC(security, set_auth_parameters)
1403 AC_LIBTESTFUNC(sec, set_auth_parameters)
1404
1405 # UnixWare 7.x has its getspnam in -lgen
1406 AC_LIBTESTFUNC(gen, getspnam)
1407
1408 AC_LIBTESTFUNC(security, getspnam)
1409 AC_LIBTESTFUNC(sec, getspnam)
1410
1411 AC_LIBTESTFUNC(security, bigcrypt)
1412 AC_LIBTESTFUNC(sec, bigcrypt)
1413
1414 AC_LIBTESTFUNC(security, getprpwnam)
1415 AC_LIBTESTFUNC(sec, getprpwnam)
1416
1417 AC_CHECK_FUNCS(strsignal)
1418
1419 ############################################
1420 # Check if we have libattr
1421 case "$host_os" in
1422   *osf*)
1423         AC_SEARCH_LIBS(getproplist, [proplist])
1424         AC_CHECK_FUNCS(getproplist fgetproplist setproplist fsetproplist)
1425         AC_CHECK_FUNCS(delproplist fdelproplist add_proplist_entry get_proplist_entry)
1426         AC_CHECK_FUNCS(sizeof_proplist_entry)
1427   ;;
1428   *)
1429         AC_SEARCH_LIBS(getxattr, [attr])
1430         AC_CHECK_FUNCS(getxattr lgetxattr fgetxattr listxattr llistxattr)
1431         AC_CHECK_FUNCS(getea fgetea lgetea listea flistea llistea)
1432         AC_CHECK_FUNCS(removeea fremoveea lremoveea setea fsetea lsetea)
1433         AC_CHECK_FUNCS(flistxattr removexattr lremovexattr fremovexattr)
1434         AC_CHECK_FUNCS(setxattr lsetxattr fsetxattr)
1435         AC_CHECK_FUNCS(attr_get attr_list attr_set attr_remove)
1436         AC_CHECK_FUNCS(attr_getf attr_listf attr_setf attr_removef)
1437   ;;
1438 esac
1439
1440 ########################################################
1441 # Check if attropen() is present if this is Solaris
1442 case "$host_os" in
1443   *solaris*)
1444         AC_CHECK_FUNCS(attropen)
1445   ;;
1446 esac
1447
1448 ########################################################
1449 # Do xattr functions take additional options like on Darwin?
1450 if test x"$ac_cv_func_getxattr" = x"yes" ; then
1451         AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt, [
1452                 old_LIBS=$LIBS
1453                 LIBS="$LIBS $ACL_LIBS"
1454                 AC_TRY_COMPILE([
1455                         #include <sys/types.h>
1456                         #if HAVE_ATTR_XATTR_H
1457                         #include <attr/xattr.h>
1458                         #elif HAVE_SYS_XATTR_H
1459                         #include <sys/xattr.h>
1460                         #endif
1461                 ],[
1462                         getxattr(0, 0, 0, 0, 0, 0);
1463                 ],
1464                 [smb_attr_cv_xattr_add_opt=yes],
1465                 [smb_attr_cv_xattr_add_opt=no;LIBS=$old_LIBS])
1466         ])
1467         if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
1468                 AC_DEFINE(XATTR_ADD_OPT, 1, [xattr functions have additional options])
1469         fi
1470 fi
1471
1472 # Check if we have extattr
1473 case "$host_os" in
1474   *freebsd4* | *dragonfly* )
1475     AC_DEFINE(BROKEN_EXTATTR, 1, [Does extattr API work])
1476     ;;
1477   *)
1478     AC_CHECK_FUNCS(extattr_delete_fd extattr_delete_file extattr_delete_link)
1479     AC_CHECK_FUNCS(extattr_get_fd extattr_get_file extattr_get_link)
1480     AC_CHECK_FUNCS(extattr_list_fd extattr_list_file extattr_list_link)
1481     AC_CHECK_FUNCS(extattr_set_fd extattr_set_file extattr_set_link)
1482     ;;
1483 esac
1484
1485 AC_DISABLE_STATIC
1486 AC_ENABLE_SHARED
1487
1488 # Set defaults
1489 PIE_CFLAGS=""
1490 PIE_LDFLAGS=""
1491 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1492
1493 if test "x$enable_pie" != xno
1494 then
1495         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1496         [
1497                 cat > conftest.c <<EOF
1498 int foo;
1499 main () { return 0;}
1500 EOF
1501                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1502                 then
1503                         samba_cv_fpie=yes
1504                 else
1505                         samba_cv_fpie=no
1506                 fi
1507                 rm -f conftest*
1508         ])
1509         if test x"${samba_cv_fpie}" = x"yes"
1510         then
1511                 PIE_CFLAGS="-fPIE"
1512                 PIE_LDFLAGS="-pie"
1513         fi
1514 fi
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 "${GCC}" = "yes"; then
1603                                 PICFLAG="-fPIC"
1604                         else
1605                                 PICFLAG="-KPIC"
1606                         fi
1607                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1608                         ;;
1609                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1610                         BLDSHARED="true"
1611                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc"
1612                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1613                         PICFLAG="-O2"
1614                         # as AIX code is always position independent...
1615                         # .po will just create compile warnings, use po.o:
1616                         if test "${GCC}" != "yes"; then
1617                                 ## for funky AIX compiler using strncpy()
1618                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000"
1619                         fi
1620
1621                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1622                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1623                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1624                         ;;
1625                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1626                         # Use special PIC flags for the native HP-UX compiler.
1627                                 BLDSHARED="true"
1628                                 SHLD="cc"
1629                                 LDSHFLAGS="-b -Wl,-B,symbolic,-b,-z"
1630                                 SONAMEFLAG="-Wl,+h "
1631                                 PICFLAG="+z"
1632                         if test "${GCC}" = "yes"; then
1633                                 PICFLAG="-fPIC"
1634                         else
1635                                 PICFLAG="+z +ESnolit"
1636                         fi
1637                         if test "$host_cpu" = "ia64"; then
1638                                 SHLIBEXT="so"
1639                               PICFLAG="+z"
1640                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32"
1641                         else
1642                                 SHLIBEXT="sl"
1643                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1644                         fi
1645                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1646                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1647                         ;;
1648                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx])
1649                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1650                         ;;
1651                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1652                         BLDSHARED="true"
1653                         LDSHFLAGS="-shared"
1654                         SONAMEFLAG="-Wl,-soname,"
1655                         PICFLAG="-fPIC"
1656                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1657                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1658                         ;;
1659                 *sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
1660                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1661                         ;;
1662                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1663                         BLDSHARED="true"
1664                         LDSHFLAGS="-shared"
1665                         SONAMEFLAG="-Wl,-soname,"
1666                         PICFLAG="-KPIC"
1667                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1668                         ;;
1669                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1670                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1671                         ;;
1672                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1673                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1674                         ;;
1675                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1676                         case "$host" in
1677                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1678                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1679                                         fi
1680                                         LDSHFLAGS="-G"
1681                                         DYNEXP="-Bexport"
1682                                 ;;
1683                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1684                         esac
1685                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1686                         ;;
1687
1688                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1689                         if [ test "$GCC" != yes ]; then
1690                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1691                         fi
1692                         LDSHFLAGS="-G"
1693                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1694                         ;;
1695                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1696                         BLDSHARED="false"
1697                         LDSHFLAGS=""
1698                         ;;
1699
1700                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1701                         BLDSHARED="true"
1702                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1703                         CFLAGS="$CFLAGS -fno-common"
1704                         SHLD="\${CC}"
1705                         SHLIBEXT="dylib"
1706                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1707                         SHLIBEXT="dylib"
1708                         # Since gcc doesn't fail on unrecognised options, the
1709                         # PIE test incorrectly succeeds. Darwin gcc does not
1710                         # actually support the PIE stuff.
1711                         PIE_LDFLAGS=
1712                         PIE_CFLAGS=
1713                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1714                         ;;
1715
1716                 *)
1717                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1718                         ;;
1719   esac
1720
1721 if test "$enable_shared" != "yes"; then
1722         BLDSHARED=false
1723 fi
1724
1725 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1726         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1727 fi
1728
1729 if test x"$BLDSHARED" = x"true" ; then
1730         LDFLAGS="$LDFLAGS -L./bin"
1731 fi
1732
1733 AC_MSG_RESULT($BLDSHARED)
1734
1735 AC_MSG_CHECKING([LDFLAGS])
1736 AC_MSG_RESULT([$LDFLAGS])
1737 AC_MSG_CHECKING([DYNEXP])
1738 AC_MSG_RESULT([$DYNEXP])
1739
1740 #######################################################
1741 # test whether building a shared library actually works
1742 if test $BLDSHARED = true; then
1743
1744 AC_MSG_CHECKING([SHLD])
1745 AC_MSG_RESULT([$SHLD])
1746 AC_MSG_CHECKING([LDSHFLAGS])
1747 AC_MSG_RESULT([$LDSHFLAGS])
1748
1749 AC_MSG_CHECKING([SHLIBEXT])
1750 AC_MSG_RESULT([$SHLIBEXT])
1751 AC_MSG_CHECKING([SONAMEFLAG])
1752 AC_MSG_RESULT([$SONAMEFLAG])
1753
1754 AC_MSG_CHECKING([PICFLAG])
1755 AC_MSG_RESULT([$PICFLAG])
1756
1757 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1758 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1759
1760 AC_CACHE_CHECK([whether building shared libraries actually works],
1761                [ac_cv_shlib_works],[
1762    # try building a trivial shared library
1763    ac_cv_shlib_works=no
1764    # The $SHLD and $LDSHFLAGS variables may contain references to other
1765    # variables so they need to be eval'ed.
1766    $CC $CPPFLAGS $CFLAGS $PICFLAG -c -o \
1767         shlib.o ${srcdir-.}/tests/shlib.c && \
1768    `eval echo $SHLD` `eval echo $LDSHFLAGS` -o "shlib.$SHLIBEXT" \
1769         shlib.o && ac_cv_shlib_works=yes
1770    rm -f "shlib.$SHLIBEXT" shlib.o
1771
1772 ])
1773 if test $ac_cv_shlib_works = no; then
1774    BLDSHARED=false
1775 fi
1776 fi
1777
1778 if test x"$BLDSHARED" != x"true"; then
1779         LDSHFLAGS="shared-libraries-disabled"
1780         SONAMEFLAG="shared-libraries-disabled"
1781         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1782         SHLD="shared-libraries-disabled"
1783         PICFLAG="${PIE_CFLAGS}"
1784         SHLIBEXT="shared_libraries_disabled"
1785 fi
1786
1787 AC_MSG_CHECKING([used PICFLAG])
1788 AC_MSG_RESULT([$PICFLAG])
1789
1790 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
1791
1792 AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
1793
1794 ################
1795
1796 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
1797 AC_TRY_RUN([#include <stdio.h>
1798 main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
1799 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
1800 if test x"$samba_cv_have_longlong" = x"yes"; then
1801     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
1802     AC_CHECK_TYPE(intptr_t, unsigned long long)
1803 else
1804     AC_CHECK_TYPE(intptr_t, unsigned long)
1805 fi
1806
1807 #
1808 # Check if the compiler supports the LL prefix on long long integers.
1809 # AIX needs this.
1810
1811 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
1812     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
1813         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
1814 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
1815    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
1816 fi
1817
1818
1819 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
1820 AC_TRY_RUN([#include <time.h>
1821 main() { exit((sizeof(time_t) == 8) ? 0 : 1); }],
1822 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
1823 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
1824     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
1825 fi
1826
1827 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
1828 AC_TRY_RUN([#include <stdio.h>
1829 #include <sys/stat.h>
1830 main() { exit((sizeof(off_t) == 8) ? 0 : 1); }],
1831 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
1832 if test x"$samba_cv_SIZEOF_OFF_T" = x"yes"; then
1833     AC_DEFINE(SIZEOF_OFF_T,8,[The size of the 'off_t' type])
1834 fi
1835
1836 AC_CACHE_CHECK([for off64_t],samba_cv_HAVE_OFF64_T,[
1837 AC_TRY_RUN([
1838 #if defined(HAVE_UNISTD_H)
1839 #include <unistd.h>
1840 #endif
1841 #include <stdio.h>
1842 #include <sys/stat.h>
1843 main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
1844 samba_cv_HAVE_OFF64_T=yes,samba_cv_HAVE_OFF64_T=no,samba_cv_HAVE_OFF64_T=cross)])
1845 if test x"$samba_cv_HAVE_OFF64_T" = x"yes"; then
1846     AC_DEFINE(HAVE_OFF64_T,1,[Whether off64_t is available])
1847 fi
1848
1849 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
1850 AC_TRY_RUN([
1851 #if defined(HAVE_UNISTD_H)
1852 #include <unistd.h>
1853 #endif
1854 #include <stdio.h>
1855 #include <sys/stat.h>
1856 main() { exit((sizeof(ino_t) == 8) ? 0 : 1); }],
1857 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
1858 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
1859     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
1860 fi
1861
1862 AC_CACHE_CHECK([for ino64_t],samba_cv_HAVE_INO64_T,[
1863 AC_TRY_RUN([
1864 #if defined(HAVE_UNISTD_H)
1865 #include <unistd.h>
1866 #endif
1867 #include <stdio.h>
1868 #include <sys/stat.h>
1869 main() { struct stat64 st; ino64_t s; if (sizeof(ino_t) == sizeof(ino64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
1870 samba_cv_HAVE_INO64_T=yes,samba_cv_HAVE_INO64_T=no,samba_cv_HAVE_INO64_T=cross)])
1871 if test x"$samba_cv_HAVE_INO64_T" = x"yes"; then
1872     AC_DEFINE(HAVE_INO64_T,1,[Whether the 'ino64_t' type is available])
1873 fi
1874
1875 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
1876 AC_TRY_RUN([
1877 #if defined(HAVE_UNISTD_H)
1878 #include <unistd.h>
1879 #endif
1880 #include <stdio.h>
1881 #include <sys/stat.h>
1882 main() { exit((sizeof(dev_t) == 8) ? 0 : 1); }],
1883 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
1884 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
1885     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
1886 fi
1887
1888 AC_CACHE_CHECK([for dev64_t],samba_cv_HAVE_DEV64_T,[
1889 AC_TRY_RUN([
1890 #if defined(HAVE_UNISTD_H)
1891 #include <unistd.h>
1892 #endif
1893 #include <stdio.h>
1894 #include <sys/stat.h>
1895 main() { struct stat64 st; dev64_t s; if (sizeof(dev_t) == sizeof(dev64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
1896 samba_cv_HAVE_DEV64_T=yes,samba_cv_HAVE_DEV64_T=no,samba_cv_HAVE_DEV64_T=cross)])
1897 if test x"$samba_cv_HAVE_DEV64_T" = x"yes"; then
1898     AC_DEFINE(HAVE_DEV64_T,1,[Whether the 'dev64_t' type is available])
1899 fi
1900
1901 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIR64,[
1902 AC_TRY_COMPILE([
1903 #if defined(HAVE_UNISTD_H)
1904 #include <unistd.h>
1905 #endif
1906 #include <sys/types.h>
1907 #include <dirent.h>],
1908 [DIR64 de;],
1909 samba_cv_HAVE_STRUCT_DIR64=yes,samba_cv_HAVE_STRUCT_DIR64=no)])
1910 if test x"$samba_cv_HAVE_STRUCT_DIR64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
1911     AC_DEFINE(HAVE_STRUCT_DIR64,1,[Whether the 'DIR64' abstract data type is available])
1912 fi
1913
1914 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIRENT64,[
1915 AC_TRY_COMPILE([
1916 #if defined(HAVE_UNISTD_H)
1917 #include <unistd.h>
1918 #endif
1919 #include <sys/types.h>
1920 #include <dirent.h>],
1921 [struct dirent64 de;],
1922 samba_cv_HAVE_STRUCT_DIRENT64=yes,samba_cv_HAVE_STRUCT_DIRENT64=no)])
1923 if test x"$samba_cv_HAVE_STRUCT_DIRENT64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
1924     AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Whether the 'dirent64' struct is available])
1925 fi
1926
1927 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
1928 AC_TRY_RUN([
1929 #if defined(HAVE_UNISTD_H)
1930 #include <unistd.h>
1931 #endif
1932 #include <sys/types.h>
1933 main() { dev_t dev; int i = major(dev); return 0; }],
1934 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
1935 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
1936     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
1937 fi
1938
1939 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
1940 AC_TRY_RUN([
1941 #if defined(HAVE_UNISTD_H)
1942 #include <unistd.h>
1943 #endif
1944 #include <sys/types.h>
1945 main() { dev_t dev; int i = minor(dev); return 0; }],
1946 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
1947 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
1948     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
1949 fi
1950
1951 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
1952 AC_TRY_RUN([
1953 #if defined(HAVE_UNISTD_H)
1954 #include <unistd.h>
1955 #endif
1956 #include <sys/types.h>
1957 main() { dev_t dev = makedev(1,2); return 0; }],
1958 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
1959 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
1960     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
1961 fi
1962
1963 AC_CACHE_CHECK([for unsigned char],samba_cv_HAVE_UNSIGNED_CHAR,[
1964 AC_TRY_RUN([#include <stdio.h>
1965 main() { char c; c=250; exit((c > 0)?0:1); }],
1966 samba_cv_HAVE_UNSIGNED_CHAR=yes,samba_cv_HAVE_UNSIGNED_CHAR=no,samba_cv_HAVE_UNSIGNED_CHAR=cross)])
1967 if test x"$samba_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
1968     AC_DEFINE(HAVE_UNSIGNED_CHAR,1,[Whether the 'unsigned char' type is available])
1969 fi
1970
1971 AC_CACHE_CHECK([for sin_len in sock],samba_cv_HAVE_SOCK_SIN_LEN,[
1972 AC_TRY_COMPILE([#include <sys/types.h>
1973 #include <sys/socket.h>
1974 #include <netinet/in.h>],
1975 [struct sockaddr_in sock; sock.sin_len = sizeof(sock);],
1976 samba_cv_HAVE_SOCK_SIN_LEN=yes,samba_cv_HAVE_SOCK_SIN_LEN=no)])
1977 if test x"$samba_cv_HAVE_SOCK_SIN_LEN" = x"yes"; then
1978     AC_DEFINE(HAVE_SOCK_SIN_LEN,1,[Whether the sockaddr_in struct has a sin_len property])
1979 fi
1980
1981 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
1982 AC_TRY_COMPILE([#include <sys/types.h>
1983 #include <dirent.h>
1984 void seekdir(DIR *d, long loc) { return; }],[return 0;],
1985 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
1986 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
1987     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
1988 fi
1989
1990 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
1991 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
1992 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
1993 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
1994     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
1995 fi
1996
1997 AC_CACHE_CHECK([if gettimeofday takes tz argument],samba_cv_HAVE_GETTIMEOFDAY_TZ,[
1998 AC_TRY_LINK([
1999 #include <sys/time.h>
2000 #include <unistd.h>], [struct timeval tv; return gettimeofday(&tv, NULL);],
2001            samba_cv_HAVE_GETTIMEOFDAY_TZ=yes,
2002            samba_cv_HAVE_GETTIMEOFDAY_TZ=no)])
2003 if test x"$samba_cv_HAVE_GETTIMEOFDAY_TZ" = x"yes"; then
2004     AC_DEFINE(HAVE_GETTIMEOFDAY_TZ,1,[Whether gettimeofday takes a tz argument])
2005 fi
2006
2007 if test x"$samba_cv_WITH_PROFILE" = x"yes"; then
2008
2009     # On some systems (eg. Linux) librt can pull in libpthread. We
2010     # don't want this to happen because libpthreads changes signal delivery
2011     # semantics in ways we are not prepared for. This breaks Linux oplocks
2012     # which rely on signals.
2013
2014     AC_LIBTESTFUNC(rt, clock_gettime,
2015             [
2016                             AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
2017                                 [Whether clock_gettime is available])
2018                             SMB_CHECK_CLOCK_ID(CLOCK_MONOTONIC)
2019                             SMB_CHECK_CLOCK_ID(CLOCK_PROCESS_CPUTIME_ID)
2020                             SMB_CHECK_CLOCK_ID(CLOCK_REALTIME)
2021                         ])
2022
2023 fi
2024
2025 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2026 AC_TRY_RUN([#include <sys/types.h>
2027 #include <dirent.h>
2028 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2029 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2030 di->d_name[0] == 0) exit(0); exit(1);} ],
2031 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2032 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2033     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2034 fi
2035
2036 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2037 AC_TRY_COMPILE([#include <sys/types.h>
2038 #include <utime.h>],
2039 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
2040 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2041 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2042     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2043 fi
2044
2045 ##############
2046 # Check utmp details, but only if our OS offers utmp.h
2047 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2048 dnl  utmp and utmpx come in many flavours
2049 dnl  We need to check for many of them
2050 dnl  But we don't need to do each and every one, because our code uses
2051 dnl  mostly just the utmp (not utmpx) fields.
2052
2053 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx)
2054
2055 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2056 AC_TRY_COMPILE([#include <sys/types.h>
2057 #include <utmp.h>],
2058 [struct utmp ut;  ut.ut_name[0] = 'a';],
2059 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2060 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2061     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2062 fi
2063
2064 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2065 AC_TRY_COMPILE([#include <sys/types.h>
2066 #include <utmp.h>],
2067 [struct utmp ut;  ut.ut_user[0] = 'a';],
2068 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2069 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2070     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2071 fi
2072
2073 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2074 AC_TRY_COMPILE([#include <sys/types.h>
2075 #include <utmp.h>],
2076 [struct utmp ut;  ut.ut_id[0] = 'a';],
2077 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2078 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2079     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2080 fi
2081
2082 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2083 AC_TRY_COMPILE([#include <sys/types.h>
2084 #include <utmp.h>],
2085 [struct utmp ut;  ut.ut_host[0] = 'a';],
2086 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2087 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2088     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2089 fi
2090
2091 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2092 AC_TRY_COMPILE([#include <sys/types.h>
2093 #include <utmp.h>],
2094 [struct utmp ut;  time_t t; ut.ut_time = t;],
2095 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2096 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2097     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2098 fi
2099
2100 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2101 AC_TRY_COMPILE([#include <sys/types.h>
2102 #include <utmp.h>],
2103 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2104 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2105 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2106     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2107 fi
2108
2109 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2110 AC_TRY_COMPILE([#include <sys/types.h>
2111 #include <utmp.h>],
2112 [struct utmp ut;  ut.ut_type = 0;],
2113 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2114 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2115     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2116 fi
2117
2118 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2119 AC_TRY_COMPILE([#include <sys/types.h>
2120 #include <utmp.h>],
2121 [struct utmp ut;  ut.ut_pid = 0;],
2122 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2123 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2124     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2125 fi
2126
2127 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2128 AC_TRY_COMPILE([#include <sys/types.h>
2129 #include <utmp.h>],
2130 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2131 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2132 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2133     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2134 fi
2135
2136 dnl Look for the IPv6 varient by preference. Many systems have both.
2137 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2138 AC_TRY_COMPILE([#include <sys/types.h>
2139 #include <utmp.h>],
2140 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2141 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2142 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2143     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2144 fi
2145
2146 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2147 AC_TRY_COMPILE([#include <sys/types.h>
2148 #include <utmp.h>],
2149 [struct utmp ut;  ut.ut_addr = 0;],
2150 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2151 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2152     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2153 fi
2154
2155 if test x$ac_cv_func_pututline = xyes ; then
2156   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2157   AC_TRY_COMPILE([#include <sys/types.h>
2158 #include <utmp.h>],
2159   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2160   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2161   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2162       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2163   fi
2164 fi
2165
2166 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2167 AC_TRY_COMPILE([#include <sys/types.h>
2168 #include <utmpx.h>],
2169 [struct utmpx ux;  ux.ut_syslen = 0;],
2170 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2171 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2172     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2173 fi
2174
2175 fi
2176 # end utmp details
2177
2178
2179 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2180 AC_ARG_WITH(libiconv,
2181 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2182 [
2183   if test "$withval" = "no" ; then
2184     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2185   else
2186      if test "$withval" != "yes" ; then
2187         ICONV_PATH_SPEC=yes
2188         ICONV_LOOK_DIRS="$withval"
2189      fi
2190   fi
2191 ])
2192
2193 for i in $ICONV_LOOK_DIRS ; do
2194
2195     save_LIBS="$LIBS"
2196     save_LDFLAGS="$LDFLAGS"
2197     save_CPPFLAGS="$CPPFLAGS"
2198
2199     iconv_current_LIBS=""
2200     iconv_current_LDFLAGS=""
2201     iconv_current_CPPFLAGS=""
2202
2203     ICONV_FOUND="no"
2204     unset libext
2205
2206     #  This is here to handle -withval stuff for --with-libiconv
2207     #  Perhaps we should always add a -L
2208     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2209
2210     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2211     # installation paths. This gets a little tricky since we might have iconv
2212     # in both libiconv and in libc. In this case the jm_ICONV test will always
2213     # succeed when the header is found. To counter this, make sure the
2214     # library directory is there and check the ABI directory first (which
2215     # should be harmless on other systems.
2216     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2217     for l in "lib32" "lib" "lib/hpux32"; do
2218         if test -d "$i/$l" ; then
2219                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2220                 LIBS=
2221                 export LDFLAGS LIBS CPPFLAGS
2222                 # Try to find iconv(3)
2223                 jm_ICONV($i/$l)
2224                 if test x"$ICONV_FOUND" = "xyes" ; then
2225                     libext="$l"
2226                     break
2227                 fi
2228         fi
2229     done
2230
2231     if test x"$ICONV_FOUND" = "xyes" ; then
2232         iconv_current_LDFLAGS="-L$i/$libext"
2233         iconv_current_CPPFLAGS="-I$i/include"
2234
2235         if test x"$jm_cv_lib_iconv" != x; then
2236             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2237         else
2238             # We found iconv in libc.
2239             iconv_current_LIBS=""
2240         fi
2241
2242     fi
2243
2244     if test x"$ICONV_FOUND" = "xyes" ; then
2245
2246         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2247         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2248         LIBS="$save_LIBS $iconv_current_LIBS"
2249         export LDFLAGS LIBS CPPFLAGS
2250
2251         default_dos_charset=no
2252         default_display_charset=no
2253         default_unix_charset=no
2254
2255         # check for default dos charset name
2256         for j in CP850 IBM850 ; do
2257             rjs_CHARSET($j)
2258             default_dos_charset="$ICONV_CHARSET"
2259             if test x"$default_dos_charset" = x"$j"; then
2260                 break
2261             fi
2262         done
2263
2264         # check for default display charset name
2265         for j in ASCII 646 ; do
2266             rjs_CHARSET($j)
2267             default_display_charset="$ICONV_CHARSET"
2268             if test x"$default_display_charset" = x"$j"; then
2269                 break
2270             fi
2271         done
2272
2273         # check for default unix charset name
2274         for j in UTF-8 UTF8 ; do
2275             rjs_CHARSET($j)
2276             default_unix_charset="$ICONV_CHARSET"
2277             if test x"$default_unix_charset" = x"$j"; then
2278                 break
2279             fi
2280         done
2281
2282         if test "$default_dos_charset" != "no" -a \
2283                 "$default_dos_charset" != "cross" -a \
2284                 "$default_display_charset" != "no" -a \
2285                 "$default_display_charset" != "cross" -a \
2286                 "$default_unix_charset" != "no" -a \
2287                 "$default_unix_charset" != "cross"
2288         then
2289                 samba_cv_HAVE_NATIVE_ICONV=yes
2290         else
2291             if test "$default_dos_charset" = "cross" -o \
2292                      "$default_display_charset" = "cross" -o \
2293                      "$default_unix_charset" = "cross"
2294             then
2295                     samba_cv_HAVE_NATIVE_ICONV=cross
2296             else
2297                     samba_cv_HAVE_NATIVE_ICONV=no
2298             fi
2299         fi
2300
2301         # At this point, we have a libiconv candidate. We know that
2302         # we have the right headers and libraries, but we don't know
2303         # whether it does the conversions we want. We can't test this
2304         # because we are cross-compiling. This is not necessarily a big
2305         # deal, since we can't guarantee that the results we get now will
2306         # match the results we get at runtime anyway.
2307         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2308             default_dos_charset="CP850"
2309             default_display_charset="ASCII"
2310             default_unix_charset="UTF-8"
2311             samba_cv_HAVE_NATIVE_ICONV=yes
2312             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2313             AC_MSG_WARN([$default_dos_charset, $default_display_charset and $default_unix_charset to UCS-16LE])
2314         fi
2315
2316         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2317
2318             CPPFLAGS=$save_CPPFLAGS
2319             LDFLAGS=$save_LDFLAGS
2320             LIBS=$save_LIBS
2321
2322             if test x"$iconv_current_LIBS" != x; then
2323                 LIBS="$LIBS $iconv_current_LIBS"
2324             fi
2325
2326             # Add the flags we need to CPPFLAGS and LDFLAGS
2327             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2328             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2329
2330             # Turn the #defines into string literals
2331             default_dos_charset="\"$default_dos_charset\""
2332             default_display_charset="\"$default_display_charset\""
2333             default_unix_charset="\"$default_unix_charset\""
2334
2335             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2336             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2337             AC_DEFINE_UNQUOTED(DEFAULT_DISPLAY_CHARSET,$default_display_charset,[Default display charset name])
2338             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2339
2340            break
2341         fi
2342
2343     # We didn't find a working iconv, so keep going
2344     fi
2345
2346     #  We only need to clean these up here for the next pass through the loop
2347     CPPFLAGS=$save_CPPFLAGS
2348     LDFLAGS=$save_LDFLAGS
2349     LIBS=$save_LIBS
2350     export LDFLAGS LIBS CPPFLAGS
2351 done
2352 unset libext
2353
2354
2355 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2356     AC_MSG_WARN([Sufficient support for iconv function was not found.
2357     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2358    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2359    AC_DEFINE_UNQUOTED(DEFAULT_DISPLAY_CHARSET,"ASCII",[Default display charset name])
2360    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2361 fi
2362
2363
2364 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2365 AC_TRY_RUN([
2366 #include <sys/types.h>
2367 #include <fcntl.h>
2368 #ifndef F_GETLEASE
2369 #define F_GETLEASE      1025
2370 #endif
2371 main() {
2372        int fd = open("/dev/null", O_RDONLY);
2373        return fcntl(fd, F_GETLEASE, 0) == -1;
2374 }
2375 ],
2376 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2377 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2378     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2379 fi
2380
2381 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2382 AC_TRY_RUN([
2383 #include <sys/types.h>
2384 #include <fcntl.h>
2385 #include <signal.h>
2386 #ifndef F_NOTIFY
2387 #define F_NOTIFY 1026
2388 #endif
2389 main() {
2390         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2391 }
2392 ],
2393 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2394 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2395     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2396 fi
2397
2398 AC_CACHE_CHECK([for inotify support],samba_cv_HAVE_INOTIFY,[
2399 AC_CHECK_HEADERS(linux/inotify.h asm/unistd.h)
2400 AC_CHECK_FUNCS(inotify_init)
2401 AC_HAVE_DECL(__NR_inotify_init, [#include <asm/unistd.h>])
2402 ],
2403 samba_cv_HAVE_INOTIFY=yes,
2404 samba_cv_HAVE_INOTIFY=no,
2405 samba_cv_HAVE_INOTIFY=cross)
2406
2407 if test x"$ac_cv_func_inotify_init" = x"yes" -a x"$ac_cv_header_linux_inotify_h" = x"yes"; then
2408     AC_DEFINE(HAVE_INOTIFY,1,[Whether kernel has inotify support])
2409 fi
2410
2411 #################################################
2412 # Check if FAM notifications are available. For FAM info, see
2413 #       http://oss.sgi.com/projects/fam/
2414 #       http://savannah.nongnu.org/projects/fam/
2415 AC_ARG_ENABLE(fam,
2416 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2417
2418 if test x$enable_fam != xno; then
2419     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2420     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2421         # On IRIX, libfam requires libC, but other FAM implementations
2422         # might not need it.
2423         AC_CHECK_LIB(fam, FAMOpen2,
2424             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam"],
2425             [samba_cv_HAVE_LIBFAM=no])
2426
2427         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2428             samba_fam_xtra=-lC
2429             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2430                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC"],
2431                 [samba_cv_HAVE_LIBFAM=no])
2432             unset samba_fam_xtra
2433         fi
2434     fi
2435
2436     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2437         default_shared_modules="$default_shared_modules vfs_notify_fam"
2438         AC_TRY_COMPILE([#include <fam.h>],
2439                     [FAMCodes code = FAMChanged;],
2440                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2441                         [Whether fam.h contains a typedef for enum FAMCodes]),
2442                     [])
2443     fi
2444
2445     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2446         AC_MSG_ERROR(FAM support requested but FAM library not available )
2447     fi
2448 fi
2449
2450 AC_SUBST(SMB_FAM_LIBS)
2451
2452 #################################################
2453 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2454
2455 SMB_CHECK_DMAPI([], AC_MSG_NOTICE(DMAPI support not present) )
2456
2457 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2458 # Theoretically it should work with AIX JFS2 too but this needs testing
2459 if test x"$samba_cv_HAVE_GPFS" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2460     default_shared_modules="$default_shared_modules vfs_tsmsm"
2461 fi
2462
2463 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2464 AC_TRY_RUN([
2465 #include <sys/types.h>
2466 #include <fcntl.h>
2467 #include <signal.h>
2468 #include <sys/file.h>
2469 #ifndef LOCK_MAND
2470 #define LOCK_MAND       32
2471 #define LOCK_READ       64
2472 #endif
2473 main() {
2474         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2475 }
2476 ],
2477 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2478 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2479     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2480 fi
2481
2482
2483 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2484 AC_TRY_COMPILE([#include <sys/types.h>
2485 #include <fcntl.h>],
2486 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2487 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2488 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2489     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2490 fi
2491
2492 #################################################
2493 # Check for POSIX capability support
2494
2495 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2496     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2497     [], [])
2498
2499 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2500
2501     ac_save_LIBS=$LIBS
2502     AC_LIBTESTFUNC(cap, cap_get_proc)
2503
2504     AC_CACHE_CHECK([for POSIX capabilities],
2505             samba_cv_HAVE_POSIX_CAPABILITIES,
2506             [
2507                 AC_TRY_RUN([
2508 #include <sys/types.h>
2509 #include <sys/capability.h>
2510 main() {
2511  cap_t cap;
2512  cap_value_t vals[1];
2513  if (!(cap = cap_get_proc()))
2514    exit(1);
2515  vals[0] = CAP_CHOWN;
2516  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2517  cap_set_proc(cap);
2518  exit(0);
2519 }],
2520                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2521                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2522                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2523             ])
2524
2525 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2526     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2527             [Whether POSIX capabilities are available])
2528 else
2529     LIBS=$ac_save_LIBS
2530 fi
2531
2532 fi
2533
2534 #
2535 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2536 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2537 #
2538
2539 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2540 AC_TRY_COMPILE([#include <sys/types.h>
2541 #if defined(HAVE_RPC_RPC_H)
2542 #include <rpc/rpc.h>
2543 #endif],
2544 [int16 testvar;],
2545 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2546 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
2547     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
2548 fi
2549
2550 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
2551 AC_TRY_COMPILE([#include <sys/types.h>
2552 #if defined(HAVE_RPC_RPC_H)
2553 #include <rpc/rpc.h>
2554 #endif],
2555 [uint16 testvar;],
2556 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
2557 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
2558     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
2559 fi
2560
2561 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
2562 AC_TRY_COMPILE([#include <sys/types.h>
2563 #if defined(HAVE_RPC_RPC_H)
2564 #include <rpc/rpc.h>
2565 #endif],
2566 [int32 testvar;],
2567 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
2568 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
2569     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
2570 fi
2571
2572 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
2573 AC_TRY_COMPILE([#include <sys/types.h>
2574 #if defined(HAVE_RPC_RPC_H)
2575 #include <rpc/rpc.h>
2576 #endif],
2577 [uint32 testvar;],
2578 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
2579 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
2580     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
2581 fi
2582
2583 dnl
2584 dnl Some systems (SCO) have a problem including
2585 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
2586 dnl as a #define in <prot.h> and as part of an enum
2587 dnl in <rpc/rpc.h>.
2588 dnl
2589
2590 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
2591 AC_TRY_COMPILE([#include <sys/types.h>
2592 #ifdef HAVE_SYS_SECURITY_H
2593 #include <sys/security.h>
2594 #include <prot.h>
2595 #endif  /* HAVE_SYS_SECURITY_H */
2596 #if defined(HAVE_RPC_RPC_H)
2597 #include <rpc/rpc.h>
2598 #endif],
2599 [int testvar;],
2600 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
2601 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
2602     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
2603 fi
2604
2605 AC_MSG_CHECKING([for test routines])
2606 AC_TRY_RUN([#include "${srcdir-.}/tests/trivial.c"],
2607            AC_MSG_RESULT(yes),
2608            AC_MSG_ERROR([cant find test code. Aborting config]),
2609            AC_MSG_WARN([cannot run when cross-compiling]))
2610
2611 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
2612 AC_TRY_RUN([#include "${srcdir-.}/tests/ftruncate.c"],
2613            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
2614 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
2615     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
2616 fi
2617
2618 AC_CACHE_CHECK([for AF_LOCAL socket support], samba_cv_HAVE_WORKING_AF_LOCAL, [
2619 AC_TRY_RUN([#include "${srcdir-.}/tests/unixsock.c"],
2620            samba_cv_HAVE_WORKING_AF_LOCAL=yes,
2621            samba_cv_HAVE_WORKING_AF_LOCAL=no,
2622            samba_cv_HAVE_WORKING_AF_LOCAL=cross)])
2623 if test x"$samba_cv_HAVE_WORKING_AF_LOCAL" != xno
2624 then
2625     AC_DEFINE(HAVE_WORKING_AF_LOCAL, 1, [Define if you have working AF_LOCAL sockets])
2626 fi
2627
2628 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
2629 AC_TRY_RUN([#include "${srcdir-.}/tests/getgroups.c"],
2630            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
2631 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
2632     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
2633 fi
2634
2635 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
2636 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
2637 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
2638 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
2639 AC_CHECK_FUNCS(getpagesize)
2640
2641 dnl test for ipv6
2642 AC_CACHE_CHECK([for ipv6 support],samba_cv_HAVE_IPV6,[
2643 AC_TRY_COMPILE([
2644 #include <stdlib.h> /* for NULL */
2645 #include <sys/socket.h>
2646 #include <sys/types.h>
2647 #include <netdb.h>],
2648 [
2649 struct sockaddr_storage sa_store;
2650 struct addrinfo *ai = NULL;
2651 struct in6_addr in6addr;
2652 int s = socket(AF_INET6, SOCK_STREAM, 0);
2653 int ret = getaddrinfo(NULL, NULL, NULL, &ai);
2654 if (ret != 0) {
2655         const char *es = gai_strerror(ret);
2656 }
2657 freeaddrinfo(ai);
2658 ],
2659 samba_cv_HAVE_IPV6=yes,samba_cv_HAVE_IPV6=no)])
2660 if test x"$samba_cv_HAVE_IPV6" = x"yes"; then
2661     AC_DEFINE(HAVE_IPV6,1,[Whether the system has IPv6 support])
2662 fi
2663
2664 ################################################
2665 # look for a method of setting the effective uid
2666 seteuid=no;
2667 if test $seteuid = no; then
2668 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
2669 AC_TRY_RUN([
2670 #define AUTOCONF_TEST 1
2671 #define USE_SETRESUID 1
2672 #include "confdefs.h"
2673 #include "${srcdir-.}/lib/util_sec.c"],
2674            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
2675 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
2676     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
2677 fi
2678 fi
2679
2680
2681 if test $seteuid = no; then
2682 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
2683 AC_TRY_RUN([
2684 #define AUTOCONF_TEST 1
2685 #define USE_SETREUID 1
2686 #include "confdefs.h"
2687 #include "${srcdir-.}/lib/util_sec.c"],
2688            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
2689 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
2690     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
2691 fi
2692 fi
2693
2694 if test $seteuid = no; then
2695 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
2696 AC_TRY_RUN([
2697 #define AUTOCONF_TEST 1
2698 #define USE_SETEUID 1
2699 #include "confdefs.h"
2700 #include "${srcdir-.}/lib/util_sec.c"],
2701            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
2702 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
2703     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
2704 fi
2705 fi
2706
2707 if test $seteuid = no; then
2708 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
2709 AC_TRY_RUN([
2710 #define AUTOCONF_TEST 1
2711 #define USE_SETUIDX 1
2712 #include "confdefs.h"
2713 #include "${srcdir-.}/lib/util_sec.c"],
2714            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
2715 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
2716     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
2717 fi
2718 fi
2719
2720 AC_CACHE_CHECK([for the Darwin initgroups system call],
2721         samba_cv_DARWIN_INITGROUPS,
2722         AC_TRY_LINK([
2723 #include <sys/syscall.h>
2724 #include <unistd.h>
2725         ],
2726         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
2727         samba_cv_DARWIN_INITGROUPS=yes,
2728         samba_cv_DARWIN_INITGROUPS=no)
2729 )
2730
2731 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
2732     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
2733         [Whether to use the Darwin-specific initgroups system call])
2734 fi
2735
2736 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
2737 AC_TRY_RUN([#include "${srcdir-.}/tests/fcntl_lock.c"],
2738            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
2739 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
2740     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
2741 fi
2742
2743 AC_CACHE_CHECK([for broken (glibc2.1/x86) 64 bit fcntl locking],samba_cv_HAVE_BROKEN_FCNTL64_LOCKS,[
2744 AC_TRY_RUN([#include "${srcdir-.}/tests/fcntl_lock64.c"],
2745            samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=yes,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=no,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=cross)])
2746 if test x"$samba_cv_HAVE_BROKEN_FCNTL64_LOCKS" = x"yes"; then
2747     AC_DEFINE(HAVE_BROKEN_FCNTL64_LOCKS,1,[Whether fcntl64 locks are broken])
2748
2749 else
2750
2751 dnl
2752 dnl Don't check for 64 bit fcntl locking if we know that the
2753 dnl glibc2.1 broken check has succeeded.
2754 dnl
2755
2756   AC_CACHE_CHECK([for 64 bit fcntl locking],samba_cv_HAVE_STRUCT_FLOCK64,[
2757   AC_TRY_RUN([
2758 #if defined(HAVE_UNISTD_H)
2759 #include <unistd.h>
2760 #endif
2761 #include <stdio.h>
2762 #include <stdlib.h>
2763
2764 #ifdef HAVE_FCNTL_H
2765 #include <fcntl.h>
2766 #endif
2767
2768 #ifdef HAVE_SYS_FCNTL_H
2769 #include <sys/fcntl.h>
2770 #endif
2771 main() { struct flock64 fl64;
2772 #if defined(F_SETLKW64) && defined(F_SETLK64) && defined(F_GETLK64)
2773 exit(0);
2774 #else
2775 exit(1);
2776 #endif
2777 }],
2778        samba_cv_HAVE_STRUCT_FLOCK64=yes,samba_cv_HAVE_STRUCT_FLOCK64=no,samba_cv_HAVE_STRUCT_FLOCK64=cross)])
2779
2780   if test x"$samba_cv_HAVE_STRUCT_FLOCK64" = x"yes"; then
2781       AC_DEFINE(HAVE_STRUCT_FLOCK64,1,[Whether the flock64 struct is available])
2782   fi
2783 fi
2784
2785 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
2786 AC_TRY_COMPILE([#include <sys/types.h>
2787 #include <sys/stat.h>
2788 #include <unistd.h>],
2789 [struct stat st;  st.st_blocks = 0;],
2790 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
2791 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
2792     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
2793 fi
2794
2795 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
2796 AC_TRY_COMPILE([#include <sys/types.h>
2797 #include <sys/stat.h>
2798 #include <unistd.h>],
2799 [struct stat st;  st.st_blksize = 0;],
2800 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
2801 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
2802     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
2803 fi
2804
2805 AC_CACHE_CHECK([for st_flags in struct stat],
2806         samba_cv_HAVE_STAT_ST_FLAGS,
2807         [
2808             AC_TRY_COMPILE([#include <sys/types.h>
2809 #include <sys/stat.h>
2810 #include <unistd.h>],
2811             [struct stat st;  st.st_flags = 0;],
2812             samba_cv_HAVE_STAT_ST_FLAGS=yes,
2813             samba_cv_HAVE_STAT_ST_FLAGS=no,
2814             samba_cv_HAVE_STAT_ST_FLAGS=cross)
2815         ])
2816
2817 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
2818     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
2819                 [Whether the stat struct has a st_flags member])
2820 fi
2821
2822 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
2823 AC_TRY_COMPILE([
2824 #include <sys/types.h>
2825 #include <sys/acl.h>
2826 #if defined(HAVE_RPCSVC_NIS_H)
2827 #include <rpcsvc/nis.h>
2828 #endif],
2829 [int i;],
2830 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
2831 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
2832         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
2833 fi
2834
2835 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
2836 AC_TRY_RUN([
2837 #include <stdio.h>
2838 #include <limits.h>
2839 main() {
2840         char *newpath = realpath("/tmp", NULL);
2841         exit ((newpath != NULL) ? 0 : 1);
2842 }
2843 ],
2844 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
2845 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
2846     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
2847 fi
2848
2849 #################################################
2850 # check for AFS clear-text auth support
2851 samba_cv_WITH_AFS=no
2852 AC_MSG_CHECKING(whether to use AFS clear-text auth)
2853 AC_ARG_WITH(afs,
2854 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
2855 [ case "$withval" in
2856   yes|auto)
2857     AC_MSG_RESULT($withval)
2858     samba_cv_WITH_AFS=$withval
2859     ;;
2860   *)
2861     AC_MSG_RESULT(no)
2862     ;;
2863   esac ],
2864   AC_MSG_RESULT(no)
2865 )
2866
2867 ####################################################
2868 # check for Linux-specific AFS fake-kaserver support
2869 samba_cv_WITH_FAKE_KASERVER=no
2870 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
2871 AC_ARG_WITH(fake-kaserver,
2872 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
2873 [ case "$withval" in
2874   yes|auto)
2875     AC_MSG_RESULT($withval)
2876     samba_cv_WITH_FAKE_KASERVER=$withval
2877     ;;
2878   *)
2879     AC_MSG_RESULT(no)
2880     ;;
2881   esac ],
2882   AC_MSG_RESULT(no)
2883 )
2884
2885 #################################################
2886 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
2887 if test x"$samba_cv_WITH_AFS" != x"no" ||
2888    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
2889
2890     # see if this box has the afs-headers in /usr/include/afs
2891     AC_MSG_CHECKING(for /usr/include/afs)
2892     if test -d /usr/include/afs; then
2893           CFLAGS="$CFLAGS -I/usr/include/afs"
2894           CPPFLAGS="$CPPFLAGS -I/usr/include/afs"
2895           AC_MSG_RESULT(yes)
2896     else
2897       AC_MSG_RESULT(no)
2898     fi
2899
2900     # check for afs.h
2901     have_afs_headers=no
2902     AC_CHECK_HEADERS(afs.h afs/afs.h)
2903     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
2904         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
2905            test x"$samba_cv_WITH_AFS" = x"auto"; then
2906                 AC_MSG_WARN([AFS cannot be supported without afs.h])
2907         else
2908                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
2909         fi
2910     else
2911         have_afs_headers=yes
2912     fi
2913 fi
2914
2915 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
2916     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
2917 fi
2918
2919 #################################################
2920 # check whether to compile AFS/NT ACL mapping module
2921 samba_cv_WITH_VFS_AFSACL=no
2922 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
2923 AC_ARG_WITH(vfs-afsacl,
2924 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
2925 [ case "$withval" in
2926   yes|auto)
2927     AC_MSG_RESULT($withval)
2928     samba_cv_WITH_VFS_AFSACL=yes
2929     ;;
2930   *)
2931     AC_MSG_RESULT(no)
2932     ;;
2933   esac ],
2934   AC_MSG_RESULT(no)
2935 )
2936
2937 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
2938    default_shared_modules="$default_shared_modules vfs_afsacl"
2939 fi
2940         
2941 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
2942     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
2943 fi
2944
2945 #################################################
2946 # check for the DFS clear-text auth system
2947 AC_MSG_CHECKING(whether to use DFS clear-text auth)
2948 AC_ARG_WITH(dfs,
2949 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
2950 [ case "$withval" in
2951   yes)
2952     AC_MSG_RESULT(yes)
2953     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
2954     ;;
2955   *)
2956     AC_MSG_RESULT(no)
2957     ;;
2958   esac ],
2959   AC_MSG_RESULT(no)
2960 )
2961
2962 ########################################################
2963 # Compile with LDAP support?
2964
2965 with_ldap_support=auto
2966 AC_MSG_CHECKING([for LDAP support])
2967
2968 AC_ARG_WITH(ldap,
2969 [AS_HELP_STRING([--with-ldap], [LDAP support (default yes)])],
2970 [ case "$withval" in
2971     yes|no)
2972         with_ldap_support=$withval
2973         ;;
2974   esac ])
2975
2976 AC_MSG_RESULT($with_ldap_support)
2977
2978 SMBLDAP=""
2979 AC_SUBST(SMBLDAP)
2980 SMBLDAPUTIL=""
2981 AC_SUBST(SMBLDAPUTIL)
2982 LDBLDAP=""
2983 AC_SUBST(LDBLDAP)
2984
2985 if test x"$with_ldap_support" != x"no"; then
2986
2987   ##################################################################
2988   # first test for ldap.h and lber.h
2989   # (ldap.h is required for this test)
2990   AC_CHECK_HEADERS(ldap.h lber.h)
2991
2992   if test x"$ac_cv_header_ldap_h" != x"yes"; then
2993         if test x"$with_ldap_support" = x"yes"; then
2994          AC_MSG_ERROR(ldap.h is needed for LDAP support)
2995         else
2996          AC_MSG_WARN(ldap.h is needed for LDAP support)
2997         fi
2998         
2999         with_ldap_support=no
3000   fi
3001
3002   ##################################################################
3003   # HP/UX does not have ber_tag_t in lber.h - it must be configured as
3004   # unsigned int in include/includes.h
3005   case $host_os in
3006         *hpux*)
3007          AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3008          AC_MSG_WARN(ber_tag_t must be configured in includes.h for hpux)
3009         with_ldap_support=yes
3010         ;;
3011         *)
3012         AC_CHECK_TYPE(ber_tag_t,,,[#include <lber.h>])
3013         if test x"$ac_cv_type_ber_tag_t" != x"yes"; then
3014                 if test x"$with_ldap_support" = x"yes"; then
3015                 AC_MSG_ERROR(ber_tag_t is needed for LDAP support)
3016                 else
3017                 AC_MSG_WARN(ber_tag_t is needed for LDAP support)
3018                 fi
3019                 with_ldap_support=no
3020         fi
3021         ;;
3022   esac
3023 fi
3024
3025 if test x"$with_ldap_support" != x"no"; then
3026   ac_save_LIBS=$LIBS
3027
3028   ##################################################################
3029   # we might need the lber lib on some systems. To avoid link errors
3030   # this test must be before the libldap test
3031   AC_CHECK_LIB_EXT(lber, LDAP_LIBS, ber_scanf)
3032
3033   ########################################################
3034   # If ber_sockbuf_add_io() is available we can add
3035   # SASL wrapping hooks
3036   AC_CHECK_FUNC_EXT(ber_sockbuf_add_io,$LDAP_LIBS)
3037
3038   AC_CACHE_CHECK([for LDAP_OPT_SOCKBUF],samba_cv_HAVE_LDAP_OPT_SOCKBUF,[
3039                  AC_TRY_COMPILE([#include <ldap.h>],
3040                                 [int val = LDAP_OPT_SOCKBUF;],
3041                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=yes,
3042                         samba_cv_HAVE_LDAP_OPT_SOCKBUF=no)])
3043
3044   if test x"$ac_cv_func_ext_ber_sockbuf_add_io" = x"yes" -a \
3045           x"$samba_cv_HAVE_LDAP_OPT_SOCKBUF" = x"yes"; then
3046         AC_DEFINE(HAVE_LDAP_SASL_WRAPPING, 1, [Support for SASL wrapping])
3047   fi
3048
3049   #######################################################
3050   # if we have LBER_OPT_LOG_PRINT_FN, we can intercept
3051   # ldap logging and print it out in the samba logs
3052   AC_CACHE_CHECK([for LBER_OPT_LOG_PRINT_FN],
3053                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN,
3054                  [AC_TRY_COMPILE([#include <lber.h>],
3055                                  [int val = LBER_OPT_LOG_PRINT_FN;],
3056                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=yes,
3057                                  samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN=no)])
3058
3059   if test x"$samba_cv_HAVE_LBER_OPT_LOG_PRINT_FN" = x"yes"; then
3060         AC_DEFINE(HAVE_LBER_LOG_PRINT_FN, 1,
3061                   [Support for LDAP/LBER logging interception])
3062   fi
3063
3064   ########################################################
3065   # now see if we can find the ldap libs in standard paths
3066   AC_CHECK_LIB_EXT(ldap, LDAP_LIBS, ldap_init)
3067
3068   ########################################################
3069   # If we have LDAP, does it's rebind procedure take 2 or 3 arguments?
3070   # Check found in pam_ldap 145.
3071   AC_CHECK_FUNC_EXT(ldap_set_rebind_proc,$LDAP_LIBS)
3072
3073   LIBS="$LIBS $LDAP_LIBS"
3074   AC_CACHE_CHECK(whether ldap_set_rebind_proc takes 3 arguments, smb_ldap_cv_ldap_set_rebind_proc, [
3075     AC_TRY_COMPILE([
3076         #include <lber.h>
3077         #include <ldap.h>],
3078         [ldap_set_rebind_proc(0, 0, 0);],
3079         [smb_ldap_cv_ldap_set_rebind_proc=3],
3080         [smb_ldap_cv_ldap_set_rebind_proc=2]
3081     )
3082   ])
3083
3084   AC_DEFINE_UNQUOTED(LDAP_SET_REBIND_PROC_ARGS, $smb_ldap_cv_ldap_set_rebind_proc, [Number of arguments to ldap_set_rebind_proc])
3085
3086   AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3087
3088   if test x"$ac_cv_lib_ext_ldap_ldap_init" = x"yes"; then
3089     AC_DEFINE(HAVE_LDAP,1,[Whether ldap is available])
3090     CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
3091     default_static_modules="$default_static_modules pdb_ldap idmap_ldap";
3092     default_shared_modules="$default_shared_modules";
3093     SMBLDAP="lib/smbldap.o"
3094     SMBLDAPUTIL="lib/smbldap_util.o"
3095     with_ldap_support=yes
3096     AC_MSG_CHECKING(whether LDAP support is used)
3097     AC_MSG_RESULT(yes)
3098   else
3099     if test x"$with_ldap_support" = x"yes"; then
3100         AC_MSG_ERROR(libldap is needed for LDAP support)
3101     else
3102         AC_MSG_WARN(libldap is needed for LDAP support)
3103     fi
3104
3105     LDAP_LIBS=""
3106     with_ldap_support=no
3107   fi
3108   LIBS=$ac_save_LIBS
3109 fi
3110
3111
3112 #################################################
3113 # active directory support
3114
3115 with_ads_support=auto
3116 AC_MSG_CHECKING([for Active Directory and krb5 support])
3117
3118 AC_ARG_WITH(ads,
3119 [AS_HELP_STRING([--with-ads], [Active Directory support (default auto)])],
3120 [ case "$withval" in
3121     yes|no)
3122         with_ads_support="$withval"
3123         ;;
3124   esac ])
3125
3126 AC_MSG_RESULT($with_ads_support)
3127
3128 FOUND_KRB5=no
3129 KRB5_LIBS=""
3130
3131 if test x"$with_ldap_support" != x"yes"; then
3132
3133     if test x"$with_ads_support" = x"yes"; then
3134         AC_MSG_ERROR(Active Directory Support requires LDAP support)
3135     elif test x"$with_ads_support" = x"auto"; then
3136         AC_MSG_WARN(Disabling Active Directory support (requires LDAP support))
3137         with_ads_support=no
3138     fi
3139
3140 else
3141
3142     # Check to see whether there is enough LDAP functionality to be able
3143     # to build AD support.
3144
3145 # HPUX only has ldap_init; ok, we take care of this in smbldap.c
3146 case "$host_os" in
3147         *hpux*)
3148     AC_CHECK_FUNC_EXT(ldap_init,$LDAP_LIBS)
3149
3150     if test x"$ac_cv_func_ext_ldap_init" != x"yes"; then
3151         if test x"$with_ads_support" = x"yes"; then
3152             AC_MSG_ERROR(Active Directory support on HPUX requires ldap_init)
3153         elif test x"$with_ads_support" = x"auto"; then
3154             AC_MSG_WARN(Disabling Active Directory support (requires ldap_init on HPUX))
3155             with_ads_support=no
3156         fi
3157     fi
3158     ;;
3159         *)
3160     AC_CHECK_FUNC_EXT(ldap_initialize,$LDAP_LIBS)
3161
3162     if test x"$ac_cv_func_ext_ldap_initialize" != x"yes"; then
3163         if test x"$with_ads_support" = x"yes"; then
3164             AC_MSG_ERROR(Active Directory support requires ldap_initialize)
3165         elif test x"$with_ads_support" = x"auto"; then
3166             AC_MSG_WARN(Disabling Active Directory support (requires ldap_initialize))
3167             with_ads_support=no
3168         fi
3169     fi
3170     ;;
3171 esac
3172
3173
3174     AC_CHECK_FUNC_EXT(ldap_add_result_entry,$LDAP_LIBS)
3175
3176     if test x"$ac_cv_func_ext_ldap_add_result_entry" != x"yes"; then
3177         if test x"$with_ads_support" = x"yes"; then
3178             AC_MSG_ERROR(Active Directory support requires ldap_add_result_entry)
3179         elif test x"$with_ads_support" = x"auto"; then
3180             AC_MSG_WARN(Disabling Active Directory support (requires ldap_add_result_entry))
3181             with_ads_support=no
3182         fi
3183     fi
3184
3185 fi
3186
3187 if test x"$with_ads_support" != x"no"; then
3188
3189   # Do no harm to the values of CFLAGS and LIBS while testing for
3190   # Kerberos support.
3191
3192   if test x$FOUND_KRB5 = x"no"; then
3193     #################################################
3194     # check for location of Kerberos 5 install
3195     AC_MSG_CHECKING(for kerberos 5 install path)
3196     AC_ARG_WITH(krb5,
3197     [AS_HELP_STRING([--with-krb5=base-dir], [Locate Kerberos 5 support (default=/usr)])],
3198     [ case "$withval" in
3199       no)
3200         AC_MSG_RESULT(no krb5-path given)
3201         ;;
3202       yes)
3203         AC_MSG_RESULT(/usr)
3204         FOUND_KRB5=yes
3205         ;;
3206       *)
3207         AC_MSG_RESULT($withval)
3208         KRB5_CFLAGS="-I$withval/include"
3209         KRB5_CPPFLAGS="-I$withval/include"
3210         KRB5_LDFLAGS="-L$withval/lib"
3211         FOUND_KRB5=yes
3212         if test -x "$withval/bin/krb5-config"; then
3213                 KRB5CONFIG=$withval/bin/krb5-config
3214         fi
3215         ;;
3216       esac ],
3217       AC_MSG_RESULT(no krb5-path given)
3218     )
3219   fi
3220
3221   #################################################
3222   # check for krb5-config from recent MIT and Heimdal kerberos 5
3223   AC_PATH_PROG(KRB5CONFIG, krb5-config)
3224   AC_MSG_CHECKING(for working krb5-config)
3225   if test -x "$KRB5CONFIG"; then
3226     ac_save_CFLAGS=$CFLAGS
3227     CFLAGS="";export CFLAGS
3228     ac_save_LDFLAGS=$LDFLAGS
3229     LDFLAGS="";export LDFLAGS
3230     KRB5_LIBS="`$KRB5CONFIG --libs gssapi`"
3231     KRB5_LDFLAGS="`$KRB5CONFIG --libs gssapi | sed s/-lgss.*//`"
3232     KRB5_CFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3233     KRB5_CPPFLAGS="`$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
3234     CFLAGS=$ac_save_CFLAGS;export CFLAGS
3235     LDFLAGS=$ac_save_LDFLAGS;export LDFLAGS
3236     FOUND_KRB5=yes
3237     AC_MSG_RESULT(yes)
3238   else
3239     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
3240   fi
3241
3242   if test x$FOUND_KRB5 = x"no"; then
3243     #################################################
3244     # see if this box has the SuSE location for the heimdal krb implementation
3245     AC_MSG_CHECKING(for /usr/include/heimdal)
3246     if test -d /usr/include/heimdal; then
3247       if test -f /usr/lib/heimdal/lib/libkrb5.a; then
3248           KRB5_CFLAGS="-I/usr/include/heimdal"
3249           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3250           KRB5_LDFLAGS="-L/usr/lib/heimdal/lib"
3251           FOUND_KRB5=yes
3252           AC_MSG_RESULT(yes)
3253       else
3254           KRB5_CFLAGS="-I/usr/include/heimdal"
3255           KRB5_CPPFLAGS="-I/usr/include/heimdal"
3256           FOUND_KRB5=yes
3257           AC_MSG_RESULT(yes)
3258       fi
3259     else
3260       AC_MSG_RESULT(no)
3261     fi
3262   fi
3263
3264   if test x$FOUND_KRB5 = x"no"; then
3265     #################################################
3266     # see if this box has the RedHat location for kerberos
3267     AC_MSG_CHECKING(for /usr/kerberos)
3268     if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
3269       KRB5_LDFLAGS="-L/usr/kerberos/lib"
3270       KRB5_CFLAGS="-I/usr/kerberos/include"
3271       KRB5_CPPFLAGS="-I/usr/kerberos/include"
3272       FOUND_KRB5=yes
3273       AC_MSG_RESULT(yes)
3274     else
3275       AC_MSG_RESULT(no)
3276     fi
3277   fi
3278
3279   if test x$FOUND_KRB5 = x"no"; then
3280     #################################################
3281     # see if this box has the OpenBSD location for heimdal krb5
3282     AC_MSG_CHECKING(for /usr/include/kerberosV)
3283     if test -d /usr/include/kerberosV; then
3284       KRB5_CPPFLAGS="-I/usr/include/kerberosV"
3285       KRB5_LIBS="-lcrypto"
3286       FOUND_KRB5=yes
3287       AC_MSG_RESULT(yes)
3288     else
3289       AC_MSG_RESULT(no)
3290     fi
3291   fi
3292
3293   ac_save_CFLAGS=$CFLAGS
3294   ac_save_CPPFLAGS=$CPPFLAGS
3295   ac_save_LDFLAGS=$LDFLAGS
3296
3297   CFLAGS="$KRB5_CFLAGS $CFLAGS"
3298   CPPFLAGS="$KRB5_CPPFLAGS $CPPFLAGS"
3299   LDFLAGS="$KRB5_LDFLAGS $LDFLAGS"
3300
3301   KRB5_LIBS="$KRB5_LDFLAGS $KRB5_LIBS"
3302
3303   # now check for krb5.h. Some systems have the libraries without the headers!
3304   # note that this check is done here to allow for different kerberos
3305   # include paths
3306   AC_CHECK_HEADERS(krb5.h)
3307
3308   if test x"$ac_cv_header_krb5_h" = x"no"; then
3309
3310     # Give a warning if AD support was not explicitly requested,
3311     # i.e with_ads_support = auto, otherwise die with an error.
3312
3313     if test x"$with_ads_support" = x"yes"; then
3314       AC_MSG_ERROR([Active Directory cannot be supported without krb5.h])
3315     else
3316       AC_MSG_WARN([Active Directory cannot be supported without krb5.h])
3317     fi
3318
3319     # Turn off AD support and restore CFLAGS and LIBS variables
3320
3321     with_ads_support="no"
3322
3323     CFLAGS=$ac_save_CFLAGS
3324     CPPFLAGS=$ac_save_CPPFLAGS
3325     LDFLAGS=$ac_save_LDFLAGS
3326   fi
3327   AC_CHECK_HEADERS(krb5/locate_plugin.h)
3328   if test x"$ac_cv_header_krb5_locate_plugin_h" = x"yes"; then
3329         WINBIND_KRB5_LOCATOR="bin/winbind_krb5_locator.$SHLIBEXT"
3330         EXTRA_ALL_TARGETS="$EXTRA_ALL_TARGETS $WINBIND_KRB5_LOCATOR"
3331   fi
3332 fi
3333
3334 # Now we have determined whether we really want ADS support
3335 use_ads=no
3336 if test x"$with_ads_support" != x"no"; then
3337   use_ads=yes
3338   have_gssapi=no
3339   ac_save_LIBS=$LIBS
3340
3341   # now check for gssapi headers.  This is also done here to allow for
3342   # different kerberos include paths
3343   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h com_err.h)
3344
3345   ##################################################################
3346   # we might need the k5crypto and com_err libraries on some systems
3347   AC_CHECK_LIB_EXT(com_err, KRB5_LIBS, _et_list)
3348   AC_CHECK_LIB_EXT(k5crypto, KRB5_LIBS, krb5_encrypt_data)
3349
3350   # Heimdal checks.
3351   AC_CHECK_LIB_EXT(crypto, KRB5_LIBS, des_set_key)
3352   AC_CHECK_LIB_EXT(asn1, KRB5_LIBS, copy_Authenticator)
3353   AC_CHECK_LIB_EXT(roken, KRB5_LIBS, roken_getaddrinfo_hostspec)
3354
3355   # Heimdal checks. On static Heimdal gssapi must be linked before krb5.
3356   AC_CHECK_LIB_EXT(gssapi, KRB5_LIBS, gss_display_status,[],[],have_gssapi=yes)
3357
3358   ########################################################
3359   # now see if we can find the krb5 libs in standard paths
3360   # or as specified above
3361   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_mk_req_extended)
3362   AC_CHECK_LIB_EXT(krb5, KRB5_LIBS, krb5_kt_compare)
3363
3364   ########################################################
3365   # now see if we can find the gssapi libs in standard paths
3366   if test x"$have_gssapi" != x"yes"; then
3367      AC_CHECK_LIB_EXT(gssapi_krb5, KRB5_LIBS,gss_display_status,[],[],have_gssapi=yes)
3368   fi
3369
3370   AC_CHECK_FUNC_EXT(krb5_set_real_time, $KRB5_LIBS)
3371   AC_CHECK_FUNC_EXT(krb5_set_default_in_tkt_etypes, $KRB5_LIBS)
3372   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_enctypes, $KRB5_LIBS)
3373   AC_CHECK_FUNC_EXT(krb5_set_default_tgs_ktypes, $KRB5_LIBS)
3374   AC_CHECK_FUNC_EXT(krb5_principal2salt, $KRB5_LIBS)
3375   AC_CHECK_FUNC_EXT(krb5_use_enctype, $KRB5_LIBS)
3376   AC_CHECK_FUNC_EXT(krb5_string_to_key, $KRB5_LIBS)
3377   AC_CHECK_FUNC_EXT(krb5_get_pw_salt, $KRB5_LIBS)
3378   AC_CHECK_FUNC_EXT(krb5_string_to_key_salt, $KRB5_LIBS)
3379   AC_CHECK_FUNC_EXT(krb5_auth_con_setkey, $KRB5_LIBS)
3380   AC_CHECK_FUNC_EXT(krb5_auth_con_setuseruserkey, $KRB5_LIBS)
3381   AC_CHECK_FUNC_EXT(krb5_locate_kdc, $KRB5_LIBS)
3382   AC_CHECK_FUNC_EXT(krb5_get_permitted_enctypes, $KRB5_LIBS)
3383   AC_CHECK_FUNC_EXT(krb5_get_default_in_tkt_etypes, $KRB5_LIBS)
3384   AC_CHECK_FUNC_EXT(krb5_free_data_contents, $KRB5_LIBS)
3385   AC_CHECK_FUNC_EXT(krb5_principal_get_comp_string, $KRB5_LIBS)
3386   AC_CHECK_FUNC_EXT(krb5_free_unparsed_name, $KRB5_LIBS)
3387   AC_CHECK_FUNC_EXT(krb5_free_keytab_entry_contents, $KRB5_LIBS)
3388   AC_CHECK_FUNC_EXT(krb5_kt_free_entry, $KRB5_LIBS)
3389   AC_CHECK_FUNC_EXT(krb5_krbhst_init, $KRB5_LIBS)
3390   AC_CHECK_FUNC_EXT(krb5_krbhst_get_addrinfo, $KRB5_LIBS)
3391   AC_CHECK_FUNC_EXT(krb5_c_enctype_compare, $KRB5_LIBS)
3392   AC_CHECK_FUNC_EXT(krb5_enctypes_compatible_keys, $KRB5_LIBS)
3393   AC_CHECK_FUNC_EXT(krb5_crypto_init, $KRB5_LIBS)
3394   AC_CHECK_FUNC_EXT(krb5_crypto_destroy, $KRB5_LIBS)
3395   AC_CHECK_FUNC_EXT(krb5_decode_ap_req, $KRB5_LIBS)
3396   AC_CHECK_FUNC_EXT(free_AP_REQ, $KRB5_LIBS)
3397   AC_CHECK_FUNC_EXT(krb5_verify_checksum, $KRB5_LIBS)
3398   AC_CHECK_FUNC_EXT(krb5_c_verify_checksum, $KRB5_LIBS)
3399   AC_CHECK_FUNC_EXT(krb5_principal_compare_any_realm, $KRB5_LIBS)
3400   AC_CHECK_FUNC_EXT(krb5_parse_name_norealm, $KRB5_LIBS)
3401   AC_CHECK_FUNC_EXT(krb5_princ_size, $KRB5_LIBS)
3402   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_set_pac_request, $KRB5_LIBS)
3403   AC_CHECK_FUNC_EXT(krb5_get_renewed_creds, $KRB5_LIBS)
3404   AC_CHECK_FUNC_EXT(krb5_get_kdc_cred, $KRB5_LIBS)
3405   AC_CHECK_FUNC_EXT(krb5_free_error_contents, $KRB5_LIBS)
3406   AC_CHECK_FUNC_EXT(initialize_krb5_error_table, $KRB5_LIBS)
3407   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_alloc, $KRB5_LIBS)
3408   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_free, $KRB5_LIBS)
3409   AC_CHECK_FUNC_EXT(krb5_get_init_creds_opt_get_error, $KRB5_LIBS)
3410   AC_CHECK_FUNC_EXT(krb5_enctype_to_string, $KRB5_LIBS)
3411
3412   LIBS="$KRB5_LIBS $LIBS"
3413
3414   AC_CACHE_CHECK(whether krb5_ticket contains kvno and enctype,
3415         smb_krb5_ticket_has_keyinfo,
3416         [
3417             AC_TRY_COMPILE(
3418             [
3419                 #include <krb5.h>
3420             ],