s3-build: remove EXEEXT from Makefiles
[gd/samba-autobuild/.git] / source3 / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2
3 dnl We must use autotools 2.54 or above
4 AC_PREREQ(2.54)
5
6 AC_INIT([Samba],[3],[samba-technical@samba.org])
7
8 AC_CONFIG_SRCDIR([include/includes.h])
9 AC_CONFIG_HEADER(include/autoconf/config.h)
10 AC_DEFINE(CONFIG_H_IS_FROM_SAMBA,1,[Marker for samba's config.h])
11
12 case "$PATH" in
13     */usr/ucb*)
14         AC_MSG_WARN([\$PATH contains /usr/ucb - build errors may follow])
15         ;;
16 esac 
17
18 builddir=`pwd`
19 AC_SUBST(builddir)
20
21 m4_include(m4/samba_version.m4)
22 m4_include(m4/check_path.m4)
23 m4_include(pkg.m4)
24
25 AC_LIBREPLACE_CC_CHECKS
26 AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
27
28 m4_include(../lib/tevent/libtevent.m4)
29 m4_include(../lib/ccan/libccan.m4)
30
31 LIBTEVENT_OBJ0=""
32 for obj in ${TEVENT_OBJ}; do
33         LIBTEVENT_OBJ0="${LIBTEVENT_OBJ0} ${teventdir}/${obj}"
34 done
35 AC_SUBST(LIBTEVENT_OBJ0)
36 LIBS="${LIBS} ${TEVENT_LIBS}"
37
38 SAMBA_CPPFLAGS="-Iinclude/autoconf -Iinclude -I${srcdir-.}/include  -I. -I${srcdir-.}"
39 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/replace"
40 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TEVENT_CFLAGS}"
41 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${CCAN_CFLAGS}"
42 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/librpc"
43 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/.."
44 SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/tdb_compat"
45
46 SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CPPFLAGS} -I${srcdir-.}/../lib/popt"
47
48 ## cleanup the $(srcdir) in the Makefile if we are outside of the tree
49 if test "x${srcdir-.}" != "x."; then
50         SAMBA_CPPFLAGS=`echo ${SAMBA_CPPFLAGS} | sed -e "s;${srcdir};\$\(srcdir\);g"`
51 fi
52
53 dnl Unique-to-Samba variables we'll be playing with.
54 AC_SUBST(SAMBA_CPPFLAGS)
55 AC_SUBST(SHELL)
56 AC_SUBST(LDSHFLAGS)
57 AC_SUBST(SONAMEFLAG)
58 AC_SUBST(SHLD)
59 AC_SUBST(MODULE_EXPORTS)
60 AC_SUBST(DSO_EXPORTS)
61 AC_SUBST(HOST_OS)
62 AC_SUBST(PICFLAG)
63 AC_SUBST(PIE_CFLAGS)
64 AC_SUBST(PIE_LDFLAGS)
65 AC_SUBST(RELRO_LDFLAGS)
66 AC_SUBST(SHLIBEXT)
67 AC_SUBST(INSTALLLIBCMD_SH)
68 AC_SUBST(INSTALLLIBCMD_A)
69 AC_SUBST(UNINSTALLLIBCMD_SH)
70 AC_SUBST(UNINSTALLLIBCMD_A)
71
72 AC_SUBST(INSTALL_LIBWBCLIENT)
73 AC_SUBST(UNINSTALL_LIBWBCLIENT)
74 AC_SUBST(LIBWBCLIENT_SHARED_TARGET)
75 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_SOVER)
76 AC_SUBST(LIBWBCLIENT_SHARED_TARGET_FULLVER)
77 AC_SUBST(LIBWBCLIENT_SHARED)
78 AC_SUBST(LIBWBCLIENT_STATIC_TARGET)
79 AC_SUBST(LIBWBCLIENT_STATIC)
80 AC_SUBST(LIBWBCLIENT_SOVER)
81 AC_SUBST(LIBWBCLIENT_FULLVER)
82 AC_SUBST(LIBWBCLIENT)
83 AC_SUBST(LIBWBCLIENT_LIBS)
84
85 AC_SUBST(LIBSAMBAUTIL_SHARED)
86
87 AC_SUBST(PRINT_LIBS)
88 AC_SUBST(AUTH_LIBS)
89 AC_SUBST(ACL_LIBS)
90 AC_SUBST(PASSDB_LIBS)
91 AC_SUBST(IDMAP_LIBS)
92 AC_SUBST(KRB5_LIBS)
93 AC_SUBST(UUID_LIBS)
94 AC_SUBST(LDAP_LIBS)
95 AC_SUBST(GPEXT_LIBS)
96 AC_SUBST(PAM_MODULES)
97 AC_SUBST(INSTALL_PAM_MODULES)
98 AC_SUBST(UNINSTALL_PAM_MODULES)
99 AC_SUBST(NSS_MODULES)
100 AC_SUBST(EXTRA_BIN_PROGS)
101 AC_SUBST(CIFSMOUNT_PROGS)
102 AC_SUBST(INSTALL_CIFSMOUNT)
103 AC_SUBST(UNINSTALL_CIFSMOUNT)
104 AC_SUBST(CIFSUMOUNT_PROGS)
105 AC_SUBST(INSTALL_CIFSUMOUNT)
106 AC_SUBST(UNINSTALL_CIFSUMOUNT)
107 AC_SUBST(CIFSUPCALL_PROGS)
108 AC_SUBST(INSTALL_CIFSUPCALL)
109 AC_SUBST(UNINSTALL_CIFSUPCALL)
110 AC_SUBST(EXTRA_SBIN_PROGS)
111 AC_SUBST(EXTRA_ALL_TARGETS)
112 AC_SUBST(CONFIG_LIBS)
113 AC_SUBST(NSCD_LIBS)
114
115 # compile with optimization and without debugging by default, but
116 # allow people to set their own preference.
117 # do this here since AC_CACHE_CHECK apparently sets the CFLAGS to "-g -O2"
118 # if it has no value.  This prevent *very* large debug binaries from occurring
119 # by default.
120 if test "x$debug" = "xyes" ; then
121         CFLAGS="${CFLAGS} -g"
122 fi
123 if test "x$CFLAGS" = x; then
124   CFLAGS="-O"
125 fi
126
127 m4_include(../lib/socket_wrapper/config.m4)
128 m4_include(../lib/nss_wrapper/config.m4)
129 m4_include(../lib/uid_wrapper/config.m4)
130
131 m4_include(m4/swat.m4)
132
133 DEVELOPER_CFLAGS="-DDEBUG_PASSWORD -DDEVELOPER"
134
135 # Probe the gcc version for extra CFLAGS. We always stash these in
136 # DEVELOPER_CFLAGS, so that you can turn them on and off with a simple
137 # Makefile edit, avoiding the need to re-run configure.
138 if test x"$ac_cv_prog_gcc" = x"yes" ; then
139         DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -g -Wall -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings"
140         # Add -Wdeclaration-after-statement if compiler supports it
141         AC_CACHE_CHECK(
142           [that the C compiler understands -Wdeclaration-after-statement],
143           samba_cv_HAVE_Wdeclaration_after_statement, [
144           AC_TRY_RUN_STRICT([
145             int main(void)
146             {
147                 return 0;
148             }],[$CFLAGS -Wdeclaration-after-statement],[$CPPFLAGS],[$LDFLAGS],
149             samba_cv_HAVE_Wdeclaration_after_statement=yes,
150             samba_cv_HAVE_Wdeclaration_after_statement=no,
151             samba_cv_HAVE_Wdeclaration_after_statement=cross)
152        ])
153
154         if test x"$samba_cv_HAVE_Wdeclaration_after_statement" = x"yes"; then
155             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Wdeclaration-after-statement"
156         fi
157
158         #-Werror-implicit-function-declaration
159         AC_CACHE_CHECK(
160           [that the C compiler understands -Werror-implicit-function-declaration],
161           samba_cv_HAVE_Werror_implicit_function_declaration, [
162           AC_TRY_RUN_STRICT([
163             int main(void)
164             {
165                 return 0;
166             }],[$CFLAGS -Werror-implicit-function-declaration],[$CPPFLAGS],[$LDFLAGS],
167             samba_cv_HAVE_Werror_implicit_function_declaration=yes,
168             samba_cv_HAVE_Werror_implicit_function_declaration=no,
169             samba_cv_HAVE_Werror_implicit_function_declaration=cross)
170        ])
171        if test x"$samba_cv_HAVE_Werror_implicit_function_declaration" = x"yes"; then
172             DEVELOPER_CFLAGS="${DEVELOPER_CFLAGS} -Werror-implicit-function-declaration"
173        fi
174
175         # krb5developer is like developer, except we don't get
176         # -Wstrict-prototypes.
177        if test x"$krb5_developer" != x"$yes" ; then
178             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Wstrict-prototypes"
179        fi
180
181        if test x"$picky_developer" = x"yes"; then
182             DEVELOPER_CFLAGS="$DEVELOPER_CFLAGS -Werror"
183        fi
184 fi
185
186 #################################################
187 # check for a shared memory profiling support
188 AC_MSG_CHECKING(whether to use profiling)
189 AC_ARG_WITH(profiling-data,
190 [AS_HELP_STRING([--with-profiling-data], [Include gathering source code profile information (default=no)])],
191 [ case "$withval" in
192   yes)
193     AC_MSG_RESULT(yes)
194     AC_DEFINE(WITH_PROFILE,1,[Whether to use profiling])
195     samba_cv_WITH_PROFILE=yes
196     ;;
197   *)
198     AC_MSG_RESULT(no)
199     samba_cv_WITH_PROFILE=no
200     ;;
201   esac ],
202   AC_MSG_RESULT(no)
203 )
204
205 dnl Checks for programs.
206 AC_ARG_ENABLE(smbtorture4,
207         [AS_HELP_STRING([--enable-smbtorture4], [Enable building smbtorture4 (default=auto)])])
208
209 if test x$enable_smbtorture4 != xno; then
210         smbtorture4_possible=yes
211 else
212         smbtorture4_possible=no
213 fi
214
215 AC_PROG_INSTALL
216 AC_PROG_AWK
217 # Check for GNU make
218 m4_include(../m4/check_make.m4)
219 AC_SAMBA_GNU_MAKE([true], [true])
220
221 # Check for perl
222 m4_include(../m4/check_perl.m4)
223 AC_SAMBA_PERL([true], [smbtorture4_possible=no])
224
225 # Check for python
226 m4_include(../m4/check_python.m4)
227 AC_SAMBA_PYTHON_DEVEL([true], [smbtorture4_possible=no])
228
229 AC_CHECK_TOOL(AR, ar)
230
231 dnl Check if we (actually our C compiler!) use GNU ld
232 AC_PROG_LD_GNU
233
234 dnl Certain versions of GNU ld the default is not to have the
235 dnl --allow-shlib-undefined flag defined.  This causes a stackload of
236 dnl warnings when building modules.
237 if test "$ac_cv_prog_gnu_ld" = "yes"; then
238         ac_cv_gnu_ld_version=`$CC -Wl,-v /dev/null 2>&1 < /dev/null | grep "GNU ld"`
239         AC_MSG_CHECKING(GNU ld release date)
240         changequote(,)dnl
241         ac_cv_gnu_ld_date=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
242         changequote([,])dnl
243         AC_MSG_RESULT(${ac_cv_gnu_ld_date})
244         if test -n "$ac_cv_gnu_ld_date"; then
245         if test "$ac_cv_gnu_ld_date" -lt 20030217; then
246                 ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
247         fi
248         if test "$ac_cv_gnu_ld_date" -gt 20030101; then
249                 ac_cv_gnu_ld_version_script=yes
250         fi
251         else
252            AC_MSG_CHECKING(GNU ld release version)
253            changequote(,)dnl
254            ac_cv_gnu_ld_vernr=`echo $ac_cv_gnu_ld_version | awk '{print $NF}' | sed -n 's,\([1-9][0-9]*\.[0-9][0-9]*\).*$,\1,p'`
255            ac_cv_gnu_ld_vernr_major=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 1`
256            ac_cv_gnu_ld_vernr_minor=`echo $ac_cv_gnu_ld_vernr | cut -d '.' -f 2`
257            changequote([,])dnl
258            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr})
259            AC_MSG_CHECKING(GNU ld release version major)
260            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_major})
261            AC_MSG_CHECKING(GNU ld release version minor)
262            AC_MSG_RESULT(${ac_cv_gnu_ld_vernr_minor})
263            if test "$ac_cv_gnu_ld_vernr_major" -lt 2 || test "$ac_cv_gnu_ld_vernr_minor" -lt 14; then
264              ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
265            fi
266            if test "$ac_cv_gnu_ld_vernr_major" -gt 2 || test "$ac_cv_gnu_ld_vernr_major" = 2 && test "$ac_cv_gnu_ld_vernr_minor" -ge 12; then
267              ac_cv_gnu_ld_version_script=yes
268            fi
269         fi
270 fi
271
272 dnl Check if C compiler understands -c and -o at the same time
273 AC_PROG_CC_C_O
274 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
275       BROKEN_CC=
276 else
277       BROKEN_CC=#
278 fi
279 AC_SUBST(BROKEN_CC)
280
281 dnl Check if the C compiler understands -Werror (GNU)
282 AC_CACHE_CHECK([that the C compiler understands -Werror],samba_cv_HAVE_Werror, [
283  AC_TRY_RUN_STRICT([
284   int main(void)
285   {
286         return 0;
287   }],[$CFLAGS -Werror],[$CPPFLAGS],[$LDFLAGS],
288   samba_cv_HAVE_Werror=yes,samba_cv_HAVE_Werror=no,samba_cv_HAVE_Werror=cross)])
289 if test x"$samba_cv_HAVE_Werror" = x"yes"; then
290    Werror_FLAGS="-Werror"
291 else
292 dnl Check if the C compiler understands -w2
293 AC_CACHE_CHECK([that the C compiler understands -w2],samba_cv_HAVE_w2, [
294  AC_TRY_RUN_STRICT([
295   int main(void)
296   {
297         return 0;
298   }],[$CFLAGS -w2],[$CPPFLAGS],[$LDFLAGS],
299   samba_cv_HAVE_w2=yes,samba_cv_HAVE_w2=no,samba_cv_HAVE_w2=cross)])
300 if test x"$samba_cv_HAVE_w2" = x"yes"; then
301    Werror_FLAGS="-w2"
302 else
303 dnl Check if the C compiler understands -errwarn (Sun)
304 AC_CACHE_CHECK([that the C compiler understands -errwarn],samba_cv_HAVE_errwarn, [
305   AC_TRY_RUN_STRICT([
306    int main(void)
307    {
308         return 0;
309    }],[$CFLAGS -errwarn=%all],[$CPPFLAGS],[$LDFLAGS],
310    samba_cv_HAVE_errwarn=yes,samba_cv_HAVE_errwarn=no,samba_cv_HAVE_errwarn=cross)])
311 if test x"$samba_cv_HAVE_errwarn" = x"yes"; then
312    Werror_FLAGS="-errwarn=%all"
313 else
314 dnl Check if the C compiler understands -qhalt (IBM)
315 AC_CACHE_CHECK([that the C compiler understands -qhalt],samba_cv_HAVE_qhalt, [
316   AC_TRY_RUN_STRICT([
317    int main(void)
318    {
319         return 0;
320    }],[$CFLAGS -qhalt=w],[$CPPFLAGS],[$LDFLAGS],
321    samba_cv_HAVE_qhalt=yes,samba_cv_HAVE_qhalt=no,samba_cv_HAVE_qhalt=cross)])
322 if test x"$samba_cv_HAVE_qhalt" = x"yes"; then
323    Werror_FLAGS="-qhalt=w"
324 fi
325 fi
326 fi
327 fi
328
329 ############################################
330 # check if the compiler can handle negative enum values
331 # and don't truncate the values to INT_MAX
332 # a runtime test is needed here
333 AC_SUBST(PIDL_ARGS)
334 AC_CACHE_CHECK([that the C compiler understands negative enum values],samba_cv_CC_NEGATIVE_ENUM_VALUES, [
335     AC_TRY_RUN(
336 [
337         #include <stdio.h>
338         enum negative_values { NEGATIVE_VALUE = 0xFFFFFFFF };
339         int main(void) {
340                 enum negative_values v1 = NEGATIVE_VALUE;
341                 unsigned v2 = NEGATIVE_VALUE;
342
343                 if (v1 != 0xFFFFFFFF) {
344                         printf("%u != 0xFFFFFFFF\n", v1);
345                         return 1;
346                 }
347                 if (v2 != 0xFFFFFFFF) {
348                         printf("%u != 0xFFFFFFFF\n", v2);
349                         return 1;
350                 }
351
352                 return 0;
353         }
354 ],
355         samba_cv_CC_NEGATIVE_ENUM_VALUES=yes,samba_cv_CC_NEGATIVE_ENUM_VALUES=no)])
356 if test x"$samba_cv_CC_NEGATIVE_ENUM_VALUES" != x"yes"; then
357         AC_MSG_WARN([using --uint-enums for pidl])
358         PIDL_ARGS="$PIDL_ARGS --uint-enums"
359 fi
360
361 dnl Figure out the flags to support named structure initializers
362
363 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_ERROR([c99 structure initializer are not supported])])
364
365 UNAME_S=`(uname -s) 2>/dev/null` || UNAME_S="unknown"
366 AC_MSG_CHECKING(uname -s)
367 AC_MSG_RESULT(${UNAME_S})
368
369 UNAME_R=`(uname -r) 2>/dev/null` || UNAME_R="unknown"
370 AC_MSG_CHECKING(uname -r)
371 AC_MSG_RESULT(${UNAME_R})
372
373 UNAME_M=`(uname -m) 2>/dev/null` || UNAME_M="unknown"
374 AC_MSG_CHECKING(uname -m)
375 AC_MSG_RESULT(${UNAME_M})
376
377 UNAME_P=`(uname -p) 2>/dev/null` || UNAME_P="unknown"
378 AC_MSG_CHECKING(uname -p)
379 AC_MSG_RESULT(${UNAME_P})
380
381 UNAME_I=`(uname -i) 2>/dev/null` || UNAME_I="unknown"
382 AC_MSG_CHECKING(uname -i)
383 AC_MSG_RESULT(${UNAME_I})
384
385 dnl Add #include for broken IRIX header files
386   case "$host_os" in
387         *irix6*)
388                 #TODO add to libreplace
389                 if test x"$ac_cv_prog_gcc" != x"yes" ; then
390                         dnl Fix sensible defaults for MIPSPro compilers. The
391                         dnl error numbers are valid for the 7.3 compilers,
392                         dnl hopefully also valid for the 7.4 series.
393                         dnl
394                         dnl Bugzilla 3801. Force an error on warning 1035
395                         dnl so we don't incorrectly detect stdint.h. This
396                         dnl warning is emitted for #error directives.
397                         CFLAGS="$CFLAGS -diag_error 1035"
398                         dnl 1209: Controlling expression is constant
399                         dnl 1174: Function foo declared but never referenced
400                         dnl 3201: Parameter foo was never referenced
401                         CFLAGS="$CFLAGS -woff 1209,1174,3201"
402                 fi
403         ;;
404 esac
405
406 DYNEXP=
407 AC_SUBST(DYNEXP)
408 LDSHFLAGS_Z_DEFS=
409 AC_SUBST(LDSHFLAGS_Z_DEFS)
410 LDSHFLAGS_Z_NODEFS=
411 AC_SUBST(LDSHFLAGS_Z_NODEFS)
412
413 dnl Add modules that have to be built by default here
414 dnl These have to be built static:
415 default_static_modules=""
416 default_static_modules="$default_static_modules pdb_smbpasswd"
417 default_static_modules="$default_static_modules pdb_tdbsam"
418 default_static_modules="$default_static_modules pdb_wbc_sam"
419 default_static_modules="$default_static_modules rpc_lsarpc"
420 default_static_modules="$default_static_modules rpc_samr"
421 default_static_modules="$default_static_modules rpc_winreg"
422 default_static_modules="$default_static_modules rpc_initshutdown"
423 default_static_modules="$default_static_modules rpc_dssetup"
424 default_static_modules="$default_static_modules rpc_wkssvc"
425 default_static_modules="$default_static_modules rpc_svcctl"
426 default_static_modules="$default_static_modules rpc_ntsvcs"
427 default_static_modules="$default_static_modules rpc_netlogon"
428 default_static_modules="$default_static_modules rpc_netdfs"
429 default_static_modules="$default_static_modules rpc_srvsvc"
430 default_static_modules="$default_static_modules rpc_spoolss"
431 default_static_modules="$default_static_modules rpc_eventlog"
432 default_static_modules="$default_static_modules auth_sam"
433 default_static_modules="$default_static_modules auth_unix"
434 default_static_modules="$default_static_modules auth_winbind"
435 default_static_modules="$default_static_modules auth_wbc"
436 default_static_modules="$default_static_modules auth_server"
437 default_static_modules="$default_static_modules auth_domain"
438 default_static_modules="$default_static_modules auth_builtin"
439 default_static_modules="$default_static_modules vfs_default"
440 default_static_modules="$default_static_modules nss_info_template"
441
442 dnl These are preferably build shared, and static if dlopen() is not available
443 default_shared_modules=""
444 default_shared_modules="$default_shared_modules vfs_recycle"
445 default_shared_modules="$default_shared_modules vfs_audit"
446 default_shared_modules="$default_shared_modules vfs_extd_audit"
447 default_shared_modules="$default_shared_modules vfs_full_audit"
448 default_shared_modules="$default_shared_modules vfs_netatalk"
449 default_shared_modules="$default_shared_modules vfs_fake_perms"
450 default_shared_modules="$default_shared_modules vfs_default_quota"
451 default_shared_modules="$default_shared_modules vfs_readonly"
452 default_shared_modules="$default_shared_modules vfs_cap"
453 default_shared_modules="$default_shared_modules vfs_expand_msdfs"
454 default_shared_modules="$default_shared_modules vfs_shadow_copy"
455 default_shared_modules="$default_shared_modules vfs_shadow_copy2"
456 default_shared_modules="$default_shared_modules auth_script"
457 default_shared_modules="$default_shared_modules vfs_readahead"
458 default_shared_modules="$default_shared_modules vfs_xattr_tdb"
459 default_shared_modules="$default_shared_modules vfs_streams_xattr"
460 default_shared_modules="$default_shared_modules vfs_streams_depot"
461 default_shared_modules="$default_shared_modules vfs_acl_xattr"
462 default_shared_modules="$default_shared_modules vfs_acl_tdb"
463 default_shared_modules="$default_shared_modules vfs_smb_traffic_analyzer"
464 default_shared_modules="$default_shared_modules vfs_preopen"
465 default_shared_modules="$default_shared_modules vfs_catia"
466 default_shared_modules="$default_shared_modules vfs_scannedonly"
467 default_shared_modules="$default_shared_modules vfs_crossrename"
468 default_shared_modules="$default_shared_modules vfs_linux_xfs_sgid"
469 default_shared_modules="$default_shared_modules vfs_time_audit"
470 default_shared_modules="$default_shared_modules idmap_autorid"
471
472 if test "x$developer" = xyes; then
473    default_static_modules="$default_static_modules rpc_rpcecho pdb_ads"
474    default_static_modules="$default_static_modules auth_netlogond"
475    default_shared_modules="$default_shared_modules perfcount_test"
476 fi
477
478 #
479 # Config CPPFLAG settings for strange OS's that must be set
480 # before other tests. Do NOT invoke AC_CHECK_HEADERS within this
481 # case statement; its first reference must be unconditional.
482 #
483 case "$host_os" in
484     *hpux*)
485 #
486 # Defines needed for HPUX support.
487 # HPUX has bigcrypt but (sometimes?) doesn't use it for
488 # password hashing - hence the USE_BOTH_CRYPT_CALLS define.
489 #
490       case `uname -r` in
491                 *9*|*10*|*11)
492                         AC_DEFINE(USE_BOTH_CRYPT_CALLS, 1, [Whether to use both of HPUX' crypt calls])
493                 ;;
494       esac
495       ;;
496
497 #
498 # CRAY Unicos has broken const handling
499        *unicos*)
500           AC_MSG_RESULT([disabling const])
501           CPPFLAGS="$CPPFLAGS -Dconst="
502           ;;
503         
504 #
505 # AIX4.x doesn't even admit to having large
506 # files *at all* unless the -D_LARGE_FILE or -D_LARGE_FILE_API flags are set.
507 #
508     *aix4*)
509           AC_MSG_RESULT([enabling large file support])
510       CPPFLAGS="$CPPFLAGS -D_LARGE_FILES"
511           AC_DEFINE(_LARGE_FILES, 1, [Whether to enable large file support])
512       ;;
513 #
514 # Defines needed for Solaris 2.6/2.7 aka 7.0 to make it admit
515 # to the existance of large files..
516 # Note that -D_LARGEFILE64_SOURCE is different from the Sun
517 # recommendations on large file support, however it makes the
518 # compile work using gcc 2.7 and 2.8, whereas using the Sun
519 # recommendation makes the compile fail on gcc2.7. JRA.
520 #
521 # Solaris uses SYSV printing.  Make sure to set that here.  --jerry
522 #
523         *solaris*)
524                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
525                 case `uname -r` in
526                         5.0|5.0.*|5.1|5.1.*|5.2|5.2.*|5.3|5.3.*|5.5|5.5.*)
527                                 AC_MSG_RESULT([no large file support])
528                                 ;;
529                         5.*)
530                         LDFLAGS="$LDFLAGS -lthread"
531                         CPPFLAGS="$CPPFLAGS -D_REENTRANT"
532                         AC_MSG_RESULT([enabling large file support])
533                         if test "$ac_cv_prog_gcc" = yes; then
534                                 ${CC-cc} -v >conftest.c 2>&1
535                                 ac_cv_gcc_compiler_version_number=`grep 'gcc version' conftest.c`
536                                 rm -fr conftest.c
537                                 case "$ac_cv_gcc_compiler_version_number" in
538                                         *"gcc version 2.6"*|*"gcc version 2.7"*)
539                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
540                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
541                                                 ;;
542                                         *)
543                                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
544                                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
545                                                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
546                                                 ;;
547                                 esac
548                         else
549                                 CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
550                                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
551                                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
552                         fi
553                         ;;
554                 esac
555                 ;;
556 #
557 # IRIX uses SYSV printing.  Make sure to set that here
558 #
559         *irix*)
560                 AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
561                 ;;
562         *freebsd*|*dragonfly*)
563                 AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
564                 ;;
565 #
566 # VOS may need to have POSIX support and System V compatibility enabled.
567 #
568     *vos*)
569     case "$CPPFLAGS" in
570           *-D_POSIX_C_SOURCE*)
571                 ;;
572           *)
573                 CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200112L"
574                 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
575                 ;;
576     esac
577     case "$CPPFLAGS" in
578           *-D_SYSV*|*-D_SVID_SOURCE*)
579                 ;;
580           *)
581                 CPPFLAGS="$CPPFLAGS -D_SYSV"
582                 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
583     esac
584     ;;
585 #
586 # Tests needed for SINIX large file support.
587 #
588     *sysv4*)
589       if test $host = mips-sni-sysv4 ; then
590         AC_MSG_CHECKING([for LFS support])
591         old_CPPFLAGS="$CPPFLAGS"
592         CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
593         AC_TRY_RUN([
594 #include <unistd.h>
595 main () {
596 #if _LFS64_LARGEFILE == 1
597 exit(0);
598 #else
599 exit(1);
600 #endif
601 }], [SINIX_LFS_SUPPORT=yes], [SINIX_LFS_SUPPORT=no], [SINIX_LFS_SUPPORT=cross])
602         CPPFLAGS="$old_CPPFLAGS"
603         if test x$SINIX_LFS_SUPPORT = xyes ; then
604           CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
605                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
606           CFLAGS="`getconf LFS64_CFLAGS` $CFLAGS"
607           LDFLAGS="`getconf LFS64_LDFLAGS` $LDFLAGS"
608           LIBS="`getconf LFS64_LIBS` $LIBS"
609         fi
610       AC_MSG_RESULT([$SINIX_LFS_SUPPORT])
611       fi
612     ;;
613
614 # Systems with LFS support.
615 #
616     gnu* | k*bsd*-gnu | kopensolaris*-gnu)
617         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
618         AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
619         AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
620         AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
621         ;;
622
623 # Tests for linux LFS support. Need kernel 2.4 and glibc2.2 or greater support.
624 #
625     *linux*)
626         AC_MSG_CHECKING([for LFS support])
627         old_CPPFLAGS="$CPPFLAGS"
628         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
629        AC_TRY_RUN([
630 #include <unistd.h>
631 #include <sys/utsname.h>
632 #include <string.h>
633 #include <stdlib.h>
634 main() {
635 #if _LFS64_LARGEFILE == 1
636        struct utsname uts;
637        char *release;
638        int major, minor;
639
640        /* Ensure this is glibc 2.2 or higher */
641 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
642        int libc_major = __GLIBC__;
643        int libc_minor = __GLIBC_MINOR__;
644
645        if (libc_major < 2)
646               exit(1);
647        if (libc_minor < 2)
648               exit(1);
649 #endif
650
651        /* Ensure this is kernel 2.4 or higher */
652
653        uname(&uts);
654        release = strdup(uts.release);
655        major = atoi(strsep(&release, "."));
656        minor = atoi(strsep(&release, "."));
657
658        if (major > 2 || (major == 2 && minor > 3))
659                exit(0);
660        exit(1);
661 #else
662        exit(1);
663 #endif
664 }
665 ], [LINUX_LFS_SUPPORT=yes], [LINUX_LFS_SUPPORT=no], [LINUX_LFS_SUPPORT=cross])
666         CPPFLAGS="$old_CPPFLAGS"
667         if test x$LINUX_LFS_SUPPORT = xyes ; then
668                 CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
669                 AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
670                 AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
671                 AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
672         fi
673         AC_MSG_RESULT([$LINUX_LFS_SUPPORT])
674         ;;
675
676 #
677 # MacOS X is the *only* system that uses compose character in utf8. This
678 # is so horribly broken....
679 #
680     *darwin*)
681         AC_DEFINE(BROKEN_UNICODE_COMPOSE_CHARACTERS, 1, [Does this system use unicode compose characters])
682
683 # Add a system specific charset module.
684         default_shared_modules="$default_shared_modules"
685
686         ;;
687     *hurd*)
688         AC_MSG_CHECKING([for LFS support])
689         old_CPPFLAGS="$CPPFLAGS"
690         CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
691         AC_TRY_RUN([
692 #include <unistd.h>
693 main () {
694 #if _LFS64_LARGEFILE == 1
695 exit(0);
696 #else
697 exit(1);
698 #endif
699 }], [GLIBC_LFS_SUPPORT=yes], [GLIBC_LFS_SUPPORT=no], [GLIBC_LFS_SUPPORT=cross])
700         CPPFLAGS="$old_CPPFLAGS"
701         if test x$GLIBC_LFS_SUPPORT = xyes ; then
702           CPPFLAGS="-D_LARGEFILE64_SOURCE -D_GNU_SOURCE $CPPFLAGS"
703                   AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
704           AC_DEFINE(_GNU_SOURCE, 1, [Whether to use GNU libc extensions])
705         fi
706       AC_MSG_RESULT([$GLIBC_LFS_SUPPORT])
707     ;;
708     *qnx*)
709         CPPFLAGS="-D_LARGEFILE64_SOURCE $CPPFLAGS"
710         AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
711         ;;
712
713 esac
714
715 SAVE_CPPFLAGS="${CPPFLAGS}"
716 CPPFLAGS="${CPPFLAGS} ${SAMBA_CONFIGURE_CPPFLAGS}"
717
718 AC_LIBREPLACE_BROKEN_CHECKS
719 AC_CHECK_FUNCS([syslog],[],[AC_MSG_ERROR([Required function not found])])
720 AC_LIBREPLACE_NETWORK_CHECKS
721
722 CPPFLAGS="${SAVE_CPPFLAGS}"
723
724 LIBREPLACE_DIR=`echo ${libreplacedir} | sed -e "s;${srcdir};;" -e "s;^/;;"`
725
726 LIBREPLACE_OBJS="${LIBREPLACEOBJ}"
727 AC_SUBST(LIBREPLACE_OBJS)
728
729 LIBREPLACE_LIBS="${LIBREPLACE_NETWORK_LIBS}"
730 AC_SUBST(LIBREPLACE_LIBS)
731
732
733 # add -ldl to the global LIBS
734 LIBS="${LIBS} ${LIBDL} ${LIBREPLACE_NETWORK_LIBS}"
735 AUTH_LIBS="${AUTH_LIBS} ${CRYPT_LIBS}"
736
737
738 AC_CHECK_HEADERS(aio.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
739 AC_CHECK_HEADERS(unistd.h grp.h sys/id.h memory.h alloca.h)
740 AC_CHECK_HEADERS(limits.h float.h libintl.h)
741 AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
742 AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h sys/sysctl.h)
743 AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h)
744 AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
745 AC_CHECK_HEADERS(sys/termio.h sys/statfs.h sys/dustat.h sys/statvfs.h stdarg.h)
746 AC_CHECK_HEADERS(sys/sysmacros.h)
747 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
748 AC_CHECK_HEADERS(langinfo.h locale.h)
749 AC_CHECK_HEADERS(xfs/libxfs.h)
750 AC_CHECK_HEADERS(netgroup.h)
751 AC_CHECK_HEADERS(linux/falloc.h)
752
753 AC_CHECK_HEADERS(rpcsvc/yp_prot.h,,,[[
754 #if HAVE_RPC_RPC_H
755 #include <rpc/rpc.h>
756 #endif
757 ]])
758
759 ## These fail to compile on IRIX so just check for their presence
760 AC_CHECK_HEADERS(sys/mode.h,,,)
761
762 # Look for Darwin headers
763 old_CPPFLAGS="$CPPFLAGS"
764 CPPFLAGS="-Iinclude $CPPFLAGS"
765 AC_CHECK_HEADERS([CoreFoundation/CFStringEncodingConverter.h], [], [AC_CHECK_HEADERS([CFStringEncodingConverter.h])])
766 CPPFLAGS="$old_CPPFLAGS"
767
768 # To link lib/util/charset/charset_macosxfs.c, we need to tell the linker
769 # about CoreFoundation
770 case "$host_os" in
771     *darwin11*)
772                 LDFLAGS="$LDFLAGS -framework CoreFoundation"
773         ;;
774 esac
775
776 # In valgrind 1.0.x, it's just valgrind.h.  In 1.9.x+ there's a
777 # subdirectory of headers.
778 AC_CHECK_HEADERS(valgrind.h valgrind/valgrind.h valgrind/memcheck.h)
779
780 if test x"$enable_developer" = x"yes" ; then
781    if test x"$ac_cv_header_valgrind_h" = xyes -o \
782            x"$ac_cv_header_valgrind_valgrind_h" = xyes ; then
783       AC_DEFINE(VALGRIND,1,[Whether we have valgrind headers])
784    fi
785 fi
786
787 #
788 # HPUX has a bug in that including shadow.h causes a re-definition of MAXINT.
789 # This causes configure to fail to detect it. Check for shadow separately on HPUX.
790 #
791 case "$host_os" in
792     *hpux*)
793                 AC_TRY_COMPILE([#include <shadow.h>],[struct spwd testme],
794                         ac_cv_header_shadow_h=yes,ac_cv_header_shadow_h=no)
795                 if test x"$ac_cv_header_shadow_h" = x"yes"; then
796                    AC_DEFINE(HAVE_SHADOW_H,1,[Whether we have shadow.h])
797                 fi
798         ;;
799 esac
800 AC_CHECK_HEADERS(shadow.h)
801 AC_CHECK_HEADERS(nss.h nss_common.h nsswitch.h ns_api.h sys/security.h)
802 AC_CHECK_HEADERS(syscall.h sys/syscall.h)
803
804 AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h sys/extattr.h sys/uio.h)
805 AC_CHECK_HEADERS(sys/ea.h sys/proplist.h)
806
807 AC_CHECK_HEADERS(sys/cdefs.h glob.h)
808
809 # For experimental utmp support (lastlog on some BSD-like systems)
810 AC_CHECK_HEADERS(utmp.h utmpx.h lastlog.h)
811
812 AC_CHECK_SIZEOF(int,cross)
813 AC_CHECK_SIZEOF(long,cross)
814 AC_CHECK_SIZEOF(long long,cross)
815 AC_CHECK_SIZEOF(short,cross)
816
817 AC_C_CONST
818 AC_C_INLINE
819 AC_C_BIGENDIAN
820 AC_C_CHAR_UNSIGNED
821
822 AC_TYPE_SIGNAL
823 AC_TYPE_UID_T
824 AC_TYPE_MODE_T
825 AC_TYPE_OFF_T
826 AC_TYPE_SIZE_T
827 AC_TYPE_PID_T
828 AC_STRUCT_ST_RDEV
829 AC_DIRENT_D_OFF
830 AC_CHECK_TYPE(ssize_t, int)
831 AC_CHECK_TYPE(wchar_t, unsigned short)
832
833 ############################################
834 # for cups support we need libcups, and a handful of header files
835
836 AC_ARG_ENABLE(cups,
837 [AS_HELP_STRING([--enable-cups], [Turn on CUPS support (default=auto)])])
838
839 if test x$enable_cups != xno; then
840         AC_PATH_PROG(CUPS_CONFIG, cups-config)
841
842         if test "x$CUPS_CONFIG" != x; then
843
844                 ac_save_LDFLAGS=$LDFLAGS
845                 ac_save_PRINT_LIBS=$PRINT_LIBS
846                 AC_CHECK_HEADERS(cups/cups.h cups/language.h)
847
848                 if test x"$ac_cv_header_cups_cups_h" = xyes -a \
849                         x"$ac_cv_header_cups_language_h" = xyes; then
850                         # try linking with -lcups alone first. That should work unless libcups is
851                         # underlinked. With cups-config --libs we pull in unwanted and unneeded
852                         # dendencies including thread libraries - use cups-config only if really
853                         # required. 
854                         AC_CHECK_LIB_EXT(cups, ac_save_PRINT_LIBS , httpConnect,
855                                 [PRINT_LIBS="$ac_save_PRINT_LIBS -lcups"],
856                                 [AC_MSG_WARN([your cups library doesn't link with -lcups alone, it might be underlinked.]) ;
857                                  PRINT_LIBS="$ac_save_PRINT_LIBS `$CUPS_CONFIG --libs`"])
858
859                         AC_DEFINE(HAVE_CUPS,1,[Whether we have CUPS])
860                         samba_cv_HAVE_CUPS=yes
861                         AC_CHECK_LIB_EXT(cups, PRINT_LIBS, httpConnectEncrypt)
862                 else
863                         AC_MSG_WARN([cups-config around but cups-devel not installed])
864                         CFLAGS=$ac_save_CFLAGS
865                         LDFLAGS=$ac_save_LDFLAGS
866                         PRINT_LIBS=$ac_save_PRINT_LIBS
867                 fi
868
869         elif test x"$enable_cups" = x"yes"; then
870                 AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
871         fi
872 fi
873
874 AC_ARG_ENABLE(iprint,
875 [AS_HELP_STRING([--enable-iprint], [Turn on iPrint support (default=yes if cups is yes)])])
876
877 if test x$enable_iprint != xno; then
878         if test x"$samba_cv_HAVE_CUPS" = xyes; then
879                 AC_DEFINE(HAVE_IPRINT,1,[Whether we have iPrint])
880         elif test x"$enable_iprint" = x"yes"; then
881                 AC_MSG_ERROR(iPrint support required but cups not enabled.  Make sure cups-devel related files are installed and that cups is enabled.)
882         fi
883 fi
884
885 ############################################
886 # check if the compiler will optimize out function calls
887 AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
888     AC_TRY_LINK([
889 #include <stdio.h>],
890 [
891                 if (0) {
892                    this_function_does_not_exist();
893                 } else {
894                   return 1;
895                 }
896
897 ],
898         samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
899 if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
900    AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
901 fi
902
903 #############################################
904 # check for fd passing struct via msg_control
905 AC_CACHE_CHECK([for fd passing via msg_control],samba_cv_msghdr_msg_control, [
906     AC_TRY_COMPILE([
907 #include <sys/types.h>
908 #include <stdlib.h>
909 #include <stddef.h>
910 #include <sys/socket.h>
911 #include <sys/un.h>],
912 [
913         struct msghdr msg;
914         union {
915               struct cmsghdr cm;
916               char control[CMSG_SPACE(sizeof(int))];
917         } control_un;
918         msg.msg_control = control_un.control;
919         msg.msg_controllen = sizeof(control_un.control);
920 ],
921         samba_cv_msghdr_msg_control=yes,samba_cv_msghdr_msg_control=no)])
922 if test x"$samba_cv_msghdr_msg_control" = x"yes"; then
923    AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL,1,
924              [If we can use msg_control for passing file descriptors])
925 fi
926
927 #############################################
928 # check for fd passing struct via msg_acctrights
929 AC_CACHE_CHECK([for fd passing via msg_acctrights],
930                 samba_cv_msghdr_msg_acctrights, [
931     AC_TRY_COMPILE([
932 #include <sys/types.h>
933 #include <stdlib.h>
934 #include <stddef.h>
935 #include <sys/socket.h>
936 #include <sys/un.h>],
937 [
938         struct msghdr msg;
939         int fd;
940         msg.msg_acctrights = (caddr_t) &fd;
941         msg.msg_acctrightslen = sizeof(fd);
942 ],
943         samba_cv_msghdr_msg_acctrights=yes,samba_cv_msghdr_msg_acctrights=no)])
944 if test x"$samba_cv_msghdr_msg_acctrights" = x"yes"; then
945    AC_DEFINE(HAVE_MSGHDR_MSG_ACCTRIGHTS,1,
946              [If we can use msg_acctrights for passing file descriptors])
947 fi
948
949 AC_CHECK_FUNCS(dirfd)
950 if test x"$ac_cv_func_dirfd" = x"yes"; then
951         default_shared_modules="$default_shared_modules vfs_syncops vfs_dirsort"
952 fi
953
954 AC_CACHE_CHECK([for struct sigevent type],samba_cv_struct_sigevent, [
955     AC_TRY_COMPILE([
956 #include <sys/types.h>
957 #if STDC_HEADERS
958 #include <stdlib.h>
959 #include <stddef.h>
960 #endif
961 #include <signal.h>],[struct sigevent s;],
962         samba_cv_struct_sigevent=yes,samba_cv_struct_sigevent=no)])
963 if test x"$samba_cv_struct_sigevent" = x"yes"; then
964    AC_DEFINE(HAVE_STRUCT_SIGEVENT,1,[Whether we have the struct sigevent])
965    AC_CHECK_MEMBERS([struct sigevent.sigev_value.sival_ptr,struct sigevent.sigev_value.sigval_ptr], , ,
966         [#include <signal.h>])
967 fi
968
969 # and glibc has setresuid under linux but the function does
970 # nothing until kernel 2.1.44! very dumb.
971 AC_CACHE_CHECK([for real setresuid],samba_cv_have_setresuid,[
972     AC_TRY_RUN([#include <errno.h>
973 main() { setresuid(1,1,1); setresuid(2,2,2); exit(errno==EPERM?0:1);}],
974         samba_cv_have_setresuid=yes,samba_cv_have_setresuid=no,samba_cv_have_setresuid=cross)])
975 if test x"$samba_cv_have_setresuid" = x"yes"; then
976     AC_DEFINE(HAVE_SETRESUID,1,[Whether the system has setresuid])
977 fi
978
979 # Do the same check for setresguid...
980 #
981 AC_CACHE_CHECK([for real setresgid],samba_cv_have_setresgid,[
982     AC_TRY_RUN([#include <unistd.h>
983 #include <errno.h>
984 main() { errno = 0; setresgid(1,1,1); exit(errno != 0 ? (errno==EPERM ? 0 : 1) : 0);}],
985         samba_cv_have_setresgid=yes,samba_cv_have_setresgid=no,samba_cv_have_setresgid=cross)])
986 if test x"$samba_cv_have_setresgid" = x"yes"; then
987     AC_DEFINE(HAVE_SETRESGID,1,[Whether the system has setresgid])
988 fi
989
990 AC_FUNC_MEMCMP
991
992 ###############################################
993 # Readline included by default unless explicitly asked not to
994 test "${with_readline+set}" != "set" && with_readline=yes
995
996 # test for where we get readline() from
997 AC_MSG_CHECKING(whether to use readline)
998 AC_ARG_WITH(readline,
999 [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
1000 [  case "$with_readline" in
1001   yes)
1002     AC_MSG_RESULT(yes)
1003
1004     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
1005     AC_CHECK_HEADERS(readline/history.h)
1006
1007     AC_CHECK_HEADERS(readline.h readline/readline.h,[
1008       for termlib in ncurses curses termcap terminfo termlib tinfo; do
1009        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
1010       done
1011       AC_CHECK_LIB(readline, rl_callback_handler_install,
1012        [TERMLIBS="-lreadline $TERMLIBS"
1013        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
1014        break], [TERMLIBS=], $TERMLIBS)])
1015     ;;
1016   no)
1017     AC_MSG_RESULT(no)
1018     ;;
1019   *)
1020     AC_MSG_RESULT(yes)
1021
1022     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
1023     # alternate readline path
1024     _ldflags=${LDFLAGS}
1025     _cppflags=${CPPFLAGS}
1026
1027     # Add additional search path
1028     LDFLAGS="-L$with_readline/lib $LDFLAGS"
1029     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
1030
1031     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
1032     AC_CHECK_HEADERS(readline/history.h)
1033
1034     AC_CHECK_HEADERS(readline.h readline/readline.h,[
1035       for termlib in ncurses curses termcap terminfo termlib; do
1036        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
1037       done
1038       AC_CHECK_LIB(readline, rl_callback_handler_install,
1039        [TERMLDFLAGS="-L$with_readline/lib"
1040        TERMCPPFLAGS="-I$with_readline/include"
1041        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
1042        TERMLIBS="-lreadline $TERMLIBS"
1043        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
1044        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
1045
1046     LDFLAGS=$_ldflags
1047     ;;
1048   esac],
1049   AC_MSG_RESULT(no)
1050 )
1051 AC_SUBST(TERMLIBS)
1052 AC_SUBST(TERMLDFLAGS)
1053
1054 # The readline API changed slightly from readline3 to readline4, so
1055 # code will generate warnings on one of them unless we have a few
1056 # special cases.
1057 AC_CHECK_LIB(readline, rl_completion_matches,
1058              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
1059                         [Do we have rl_completion_matches?])],
1060              [],
1061              [$TERMLIBS])
1062
1063 # not all readline libs have rl_event_hook or history_list
1064 AC_CHECK_DECLS(rl_event_hook, [], [], [#include <readline/readline.h>])
1065 AC_CHECK_LIB(readline, history_list,
1066              [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
1067              [],
1068              [$TERMLIBS])
1069
1070 ###############################################
1071 # test for where we get yp_get_default_domain() from
1072 AC_SEARCH_LIBS(yp_get_default_domain, [nsl])
1073 AC_CHECK_FUNCS(yp_get_default_domain)
1074
1075 # Check if we have execl, if not we need to compile smbrun.
1076 AC_CHECK_FUNCS(execl)
1077 if test x"$ac_cv_func_execl" = x"no"; then
1078     EXTRA_BIN_PROGS="$EXTRA_BIN_PROGS bin/smbrun"
1079 fi
1080
1081 AC_CHECK_FUNCS(getcwd fchown chmod fchmod mknod mknod64)
1082 AC_CHECK_FUNCS(strtol)
1083 AC_CHECK_FUNCS(strchr chflags)
1084 AC_CHECK_FUNCS(getrlimit fsync setpgid)
1085 AC_CHECK_FUNCS(fdatasync,,[AC_CHECK_LIB_EXT(rt, LIBS, fdatasync)])
1086 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
1087 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
1088 AC_CHECK_FUNCS(initgroups select rdchk getgrnam getgrent pathconf)
1089 AC_CHECK_FUNCS(getgrset)
1090 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups sysconf stat64 fstat64)
1091 AC_CHECK_FUNCS(lstat64 fopen64 atexit grantpt lseek64 ftruncate64 posix_fallocate posix_fallocate64)
1092 AC_CHECK_FUNCS(fallocate fallocate64)
1093 AC_CHECK_FUNCS(fseeko fseek64 fseeko64 ftell64 ftello64 setluid getpwanam)
1094 AC_CHECK_FUNCS(opendir64 readdir64 seekdir64 telldir64 rewinddir64 closedir64)
1095 AC_CHECK_FUNCS(fdopendir fdopendir64)
1096 AC_CHECK_FUNCS(getpwent_r)
1097 AC_CHECK_FUNCS(getdents64)
1098 AC_CHECK_FUNCS(setenv strcasecmp fcvt fcvtl)
1099 AC_CHECK_FUNCS(syslog vsyslog timegm)
1100 AC_CHECK_FUNCS(setlocale)
1101 AC_CHECK_FUNCS(nanosleep,,[AC_CHECK_LIB_EXT(rt, LIBS, nanosleep)])
1102 AC_CHECK_FUNCS(lutimes futimes utimensat futimens)
1103 AC_CHECK_FUNCS(mlock munlock mlockall munlockall)
1104 AC_CHECK_FUNCS(memalign posix_memalign hstrerror)
1105 AC_CHECK_HEADERS(sys/mman.h)
1106 # setbuffer, shmget, shm_open are needed for smbtorture
1107 AC_CHECK_FUNCS(shmget shm_open)
1108 AC_CHECK_FUNCS(gettext dgettext)
1109 AC_CHECK_FUNCS(bindtextdomain textdomain bind_textdomain_codeset)
1110 AC_CHECK_FUNCS(strupr)
1111
1112 # Find a method of generating a stack trace
1113 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
1114 # libexecinfo provides backtrace_symbols on FreeBSD
1115 AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
1116 AC_CHECK_FUNCS(backtrace_symbols)
1117 AC_CHECK_LIB(exc, trace_back_stack)
1118
1119 # check for sysctlbyname and sysctl for BSD systems
1120 AC_CHECK_FUNCS(sysctlbyname)
1121 AC_CHECK_FUNCS(sysctl)
1122
1123 #################################################
1124 # Check to see if core dump directory is defined in linux
1125 # with /proc/sys/kernel/core_pattern
1126
1127 AC_CHECK_FILE([/proc/sys/kernel/core_pattern],
1128         AC_DEFINE(HAVE_SYS_KERNEL_PROC_CORE_PATTERN, 1,
1129         [Whether Linux kernel uses core_pattern for core files]),
1130          [])
1131
1132 #############################
1133 # check if building with gpfs
1134 AC_CHECK_HEADERS(gpfs_gpl.h)
1135 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes"; then
1136     AC_DEFINE(HAVE_GPFS,1,[Whether GPFS GPL headers are available])
1137     default_shared_modules="$default_shared_modules vfs_gpfs"
1138     default_shared_modules="$default_shared_modules vfs_gpfs_hsm_notify"
1139 fi
1140
1141 #############################################
1142 # check if building on Isilon OneFS
1143 printf "%s" "checking for Isilon OneFS... "
1144 save_LIBS="$LIBS"
1145 LIBS="$LIBS -lisi_version"
1146 AC_TRY_LINK([#include <isi_version/isi_version.h>],
1147           [get_isilon_copyright()],
1148           samba_cv_HAVE_ONEFS=yes,
1149           samba_cv_HAVE_ONEFS=no)
1150 echo $samba_cv_HAVE_ONEFS
1151 if test x"$samba_cv_HAVE_ONEFS" = x"yes"; then
1152     AC_DEFINE(HAVE_ONEFS,1,[Whether building on Isilon OneFS])
1153     default_shared_modules="$default_shared_modules vfs_onefs vfs_onefs_shadow_copy perfcount_onefs"
1154     default_static_modules="$default_static_modules"
1155     ONEFS_LIBS="-lisi_acl -lisi_ecs -lisi_event -lisi_util"
1156     # Need to also add general libs for oplocks support
1157     save_LIBS="$save_LIBS -lisi_ecs -lisi_event -lisi_util -ldevstat"
1158 fi
1159 AC_SUBST(ONEFS_LIBS)
1160 LIBS="$save_LIBS"
1161
1162 # Note that all the libunwind symbols in the API are defined to internal
1163 # platform-specific version, so we must include libunwind.h before checking
1164 # any of them.
1165 AC_MSG_CHECKING([for libunwind])
1166 save_LIBS=$LIBS
1167
1168 UNWIND_ARCH="unknown"
1169 if test x"$UNAME_I" != x"unknown"; then
1170         UNWIND_ARCH="$UNAME_I"
1171 elif test x"$UNAME_M" != x"unknown"; then
1172         UNWIND_ARCH="$UNAME_M"
1173 elif test x"$UNAME_P" != x"unknown"; then
1174         UNWIND_ARCH="$UNAME_P"
1175 fi
1176
1177 case "$UNWIND_ARCH" in
1178         unknown)
1179                 # This probably won't link without
1180                 # the platform-specific libunwind.
1181                 LIBS="$LIBS -lunwind"
1182                 ;;
1183         i386|i586|i686)
1184                 # Add the platform-specific libunwind module.
1185                 LIBS="$LIBS -lunwind -lunwind-x86"
1186                 ;;
1187         *)
1188                 # Add the platform-specific libunwind module.
1189                 # based on uname -i, uname -m or uname -p
1190                 LIBS="$LIBS -lunwind -lunwind-$UNWIND_ARCH"
1191                 ;;
1192 esac
1193
1194 AC_TRY_LINK(
1195     [
1196 #ifdef HAVE_LIBUNWIND_H
1197 #include <libunwind.h>
1198 #endif
1199     ],
1200     [
1201         unw_context_t ctx; unw_cursor_t cur;
1202         char buf[256]; unw_word_t off;
1203         unw_getcontext(&ctx); unw_init_local(&cur, &ctx);
1204         unw_get_proc_name(&cur, buf, sizeof(buf), &off);
1205     ],
1206     [
1207         AC_MSG_RESULT(yes)
1208         AC_DEFINE(HAVE_LIBUNWIND, 1, [Whether libunwind is available])
1209
1210         # If we have libunwind, test whether we also have libunwind-ptrace
1211         # which would let us unwind arbitrary processes.
1212         save_LIBS=$LIBS
1213         AC_CHECK_HEADERS(libunwind-ptrace.h)
1214         AC_CHECK_LIB(unwind-ptrace, _UPT_create,
1215             [
1216                 LIBUNWIND_PTRACE="-lunwind-ptrace";
1217                 AC_DEFINE(HAVE_LIBUNWIND_PTRACE, 1,
1218                     [Whether libunwind-ptrace.a is available.])
1219             ],
1220             [ LIBUNWIND_PTRACE="" ])
1221
1222         LIBS=$save_LIBS
1223     ],
1224     [
1225         AC_MSG_RESULT(no)
1226         LIBS=$save_LIBS
1227     ])
1228
1229 # To use libunwind-ptrace, we also need to make some ptrace system calls.
1230 if test x"$LIBUNWIND_PTRACE" != x"" ; then
1231     AC_CHECK_HEADERS(sys/ptrace.h)
1232     AC_MSG_CHECKING([for the Linux ptrace(2) interface])
1233     AC_TRY_LINK(
1234             [
1235 #if HAVE_SYS_TYPES_H
1236 #include <sys/types.h>
1237 #endif
1238 #if HAVE_SYS_PTRACE_H
1239 #include <sys/ptrace.h>
1240 #endif
1241             ],
1242             [
1243                 pid_t me = (pid_t)-1;
1244                 ptrace(PTRACE_ATTACH, me, 0, 0);
1245                 ptrace(PTRACE_DETACH, me, 0, 0);
1246                 return 0;
1247             ],
1248             [
1249                 AC_MSG_RESULT(yes)
1250                 AC_DEFINE(HAVE_LINUX_PTRACE, 1,
1251                     [Whether the Linux ptrace(2) interface is available.])
1252             ],
1253             [
1254                 AC_MSG_RESULT(no)
1255                 LIBUNWIND_PTRACE=""
1256             ])
1257 fi
1258
1259 AC_SUBST(LIBUNWIND_PTRACE)
1260
1261 AC_CHECK_FUNCS(_dup _dup2 _opendir _readdir _seekdir _telldir _closedir)
1262 AC_CHECK_FUNCS(__dup __dup2 __opendir __readdir __seekdir __telldir __closedir)
1263 AC_CHECK_FUNCS(__getcwd _getcwd)
1264 AC_CHECK_FUNCS(__xstat __fxstat __lxstat)
1265 AC_CHECK_FUNCS(_stat _lstat _fstat __stat __lstat __fstat)
1266 AC_CHECK_FUNCS(_acl __acl _facl __facl _open __open _chdir __chdir)
1267 AC_CHECK_FUNCS(_close __close _fchdir __fchdir _fcntl __fcntl)
1268 AC_CHECK_FUNCS(getdents __getdents _lseek __lseek _read __read)
1269 AC_CHECK_FUNCS(getdirentries _write __write _fork __fork)
1270 AC_CHECK_FUNCS(_stat64 __stat64 _fstat64 __fstat64 _lstat64 __lstat64)
1271 AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek readdir64 _readdir64 __readdir64)
1272 AC_CHECK_FUNCS(pread _pread __pread pread64 _pread64 __pread64)
1273 AC_CHECK_FUNCS(pwrite _pwrite __pwrite pwrite64 _pwrite64 __pwrite64)
1274 AC_CHECK_FUNCS(open64 _open64 __open64 creat64)
1275 AC_CHECK_FUNCS(prctl)
1276
1277 AC_TRY_COMPILE([
1278 #ifdef HAVE_SYS_PRCTL_H
1279 #include <sys/prctl.h>
1280 #endif
1281 ],
1282 [int i; i = prtcl(0); ],
1283 AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
1284
1285 #
1286 #
1287 #
1288 case "$host_os" in
1289     *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu)
1290        # glibc <= 2.3.2 has a broken getgrouplist
1291        AC_CACHE_CHECK([for good getgrouplist],samba_cv_linux_getgrouplist_ok,[AC_TRY_RUN([
1292 #include <unistd.h>
1293 #include <sys/utsname.h>
1294 main() {
1295        /* glibc up to 2.3 has a broken getgrouplist */
1296 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1297        int libc_major = __GLIBC__;
1298        int libc_minor = __GLIBC_MINOR__;
1299
1300        if (libc_major < 2)
1301               exit(1);
1302        if ((libc_major == 2) && (libc_minor <= 3))
1303               exit(1);
1304 #endif
1305        exit(0);
1306 }
1307 ], [samba_cv_linux_getgrouplist_ok=yes],
1308    [samba_cv_linux_getgrouplist_ok=no],
1309    [samba_cv_linux_getgrouplist_ok=cross])])
1310        if test x"$samba_cv_linux_getgrouplist_ok" = x"yes"; then
1311           AC_DEFINE(HAVE_GETGROUPLIST, 1, [Have good getgrouplist])
1312        fi
1313        ;;
1314     *)
1315        AC_CHECK_FUNCS(getgrouplist)
1316        ;;
1317 esac
1318
1319 #
1320 # stat64 family may need <sys/stat.h> on some systems, notably ReliantUNIX
1321 #
1322
1323 if test x$ac_cv_func_stat64 = xno ; then
1324   AC_MSG_CHECKING([for stat64 in <sys/stat.h>])
1325   AC_TRY_LINK([
1326 #if defined(HAVE_UNISTD_H)
1327 #include <unistd.h>
1328 #endif
1329 #include <sys/stat.h>
1330 ], [struct stat64 st64; exit(stat64(".",&st64));], [ac_cv_func_stat64=yes])
1331   AC_MSG_RESULT([$ac_cv_func_stat64])
1332   if test x$ac_cv_func_stat64 = xyes ; then
1333     AC_DEFINE(HAVE_STAT64,1,[Whether stat64() is available])
1334   fi
1335 fi
1336
1337 if test x$ac_cv_func_lstat64 = xno ; then
1338   AC_MSG_CHECKING([for lstat64 in <sys/stat.h>])
1339   AC_TRY_LINK([
1340 #if defined(HAVE_UNISTD_H)
1341 #include <unistd.h>
1342 #endif
1343 #include <sys/stat.h>
1344 ], [struct stat64 st64; exit(lstat64(".",&st64));], [ac_cv_func_lstat64=yes])
1345   AC_MSG_RESULT([$ac_cv_func_lstat64])
1346   if test x$ac_cv_func_lstat64 = xyes ; then
1347     AC_DEFINE(HAVE_LSTAT64,[Whether lstat64() is available])
1348   fi
1349 fi
1350
1351 if test x$ac_cv_func_fstat64 = xno ; then
1352   AC_MSG_CHECKING([for fstat64 in <sys/stat.h>])
1353   AC_TRY_LINK([
1354 #if defined(HAVE_UNISTD_H)
1355 #include <unistd.h>
1356 #endif
1357 #include <sys/stat.h>
1358 ], [struct stat64 st64; exit(fstat64(0,&st64));], [ac_cv_func_fstat64=yes])
1359   AC_MSG_RESULT([$ac_cv_func_fstat64])
1360   if test x$ac_cv_func_fstat64 = xyes ; then
1361     AC_DEFINE(HAVE_FSTAT64,1,[Whether fstat64() is available])
1362   fi
1363 fi
1364
1365 #################################################
1366 # Check whether struct stat has timestamps with sub-second resolution.
1367 #
1368
1369 samba_cv_stat_hires=no
1370 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec], # Linux, Solaris
1371         [samba_cv_stat_hires=yes])
1372 AC_CHECK_MEMBERS([struct stat.st_mtimensec], # BSD, if defined _POSIX_SOURCE
1373         [samba_cv_stat_hires=yes])
1374 AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec], # BSD, if not defined _POSIX_SOURCE
1375         [samba_cv_stat_hires=yes])
1376 AC_CHECK_MEMBERS([struct stat.st_mtime_n], # AIX
1377         [samba_cv_stat_hires=yes])
1378 AC_CHECK_MEMBERS([struct stat.st_umtime], # Tru64
1379         [samba_cv_stat_hires=yes])
1380
1381 if test x"$samba_cv_stat_hires" = x"yes" ; then
1382     AC_DEFINE(HAVE_STAT_HIRES_TIMESTAMPS, 1,
1383             [whether struct stat has sub-second timestamps])
1384 fi
1385
1386 # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1387 AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
1388 AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
1389
1390
1391 AC_CACHE_CHECK([whether there is DOS flags support in the stat struct], samba_cv_stat_dos_flags,
1392     [
1393         AC_TRY_COMPILE(
1394             [#include <sys/stat.h>],
1395             [
1396                 int a = UF_DOS_ARCHIVE;
1397                 int h = UF_DOS_HIDDEN;
1398                 int r = UF_DOS_RO;
1399                 int s = UF_DOS_SYSTEM;
1400                 int i = UF_DOS_NOINDEX;
1401                 int f = UF_DOS_FLAGS;
1402             ],
1403             samba_cv_stat_dos_flags=yes, samba_cv_stat_dos_flags=no)
1404     ])
1405
1406 if test x"$samba_cv_stat_dos_flags" = x"yes" ; then
1407     AC_DEFINE(HAVE_STAT_DOS_FLAGS, 1, [whether there is DOS flags support in the stat struct])
1408 fi
1409
1410 AC_CACHE_CHECK([whether we can compile with __attribute__((destructor))],
1411                samba_cv_function_attribute_destructor,
1412                [
1413                  AC_COMPILE_IFELSE(
1414                         [
1415                                 __attribute__((destructor))
1416                                 static void cleanup(void) { }
1417                         ],
1418                         samba_cv_function_attribute_destructor=yes)
1419                 ])
1420
1421 if test x"$samba_cv_function_attribute_destructor" = xyes ; then
1422    AC_DEFINE(HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR, 1,
1423              [whether we can compile with __attribute__((destructor))])
1424 fi
1425
1426 #####################################
1427 # needed for SRV lookups
1428 AC_CHECK_LIB(resolv, dn_expand)
1429 AC_CHECK_LIB(resolv, _dn_expand)
1430 AC_CHECK_LIB(resolv, __dn_expand)
1431
1432 AC_TRY_COMPILE([#include <resolv.h>],
1433                [struct __res_state s; res_ninit(&s);],
1434                ac_cv_have_res_ninit=yes,ac_cv_have_res_ninit=no)
1435
1436 if test x"$ac_cv_have_res_ninit" = x"yes"; then
1437         AC_DEFINE(HAVE_RES_NINIT, 1, [Whether we have res_ninit])
1438 fi
1439
1440 #
1441 # Check for the functions putprpwnam, set_auth_parameters,
1442 # getspnam, bigcrypt and getprpwnam in -lsec and -lsecurity
1443 # Needed for OSF1 and HPUX.
1444 #
1445
1446 AC_LIBTESTFUNC(security, putprpwnam)
1447 AC_LIBTESTFUNC(sec, putprpwnam)
1448
1449 AC_LIBTESTFUNC(security, set_auth_parameters)
1450 AC_LIBTESTFUNC(sec, set_auth_parameters)
1451
1452 # UnixWare 7.x has its getspnam in -lgen
1453 AC_LIBTESTFUNC(gen, getspnam)
1454
1455 AC_LIBTESTFUNC(security, getspnam)
1456 AC_LIBTESTFUNC(sec, getspnam)
1457
1458 AC_LIBTESTFUNC(security, bigcrypt)
1459 AC_LIBTESTFUNC(sec, bigcrypt)
1460
1461 AC_LIBTESTFUNC(security, getprpwnam)
1462 AC_LIBTESTFUNC(sec, getprpwnam)
1463
1464 AC_CHECK_FUNCS(strsignal)
1465
1466 ############################################
1467 # Check for EA implementations
1468 case "$host_os" in
1469   *osf*)
1470         AC_SEARCH_LIBS(getproplist, [proplist])
1471         AC_CHECK_FUNCS(getproplist fgetproplist setproplist fsetproplist)
1472         AC_CHECK_FUNCS(delproplist fdelproplist add_proplist_entry get_proplist_entry)
1473         AC_CHECK_FUNCS(sizeof_proplist_entry)
1474   ;;
1475   *freebsd4* | *dragonfly* )
1476         AC_DEFINE(BROKEN_EXTATTR, 1, [Does extattr API work])
1477   ;;
1478   *solaris*)
1479         AC_CHECK_FUNCS(attropen)
1480   ;;
1481   *)
1482         AC_SEARCH_LIBS(getxattr, [attr])
1483         AC_CHECK_FUNCS(getxattr,[
1484                 AC_CHECK_FUNCS(lgetxattr fgetxattr listxattr llistxattr flistxattr removexattr lremovexattr fremovexattr setxattr lsetxattr fsetxattr)
1485                 ])
1486         AC_CHECK_FUNCS(getea,[
1487                 AC_CHECK_FUNCS(fgetea lgetea listea flistea llistea removeea fremoveea lremoveea setea fsetea lsetea)
1488                 ])
1489         AC_CHECK_FUNCS(attr_get,[
1490                 AC_CHECK_FUNCS(attr_list attr_set attr_remove attr_getf attr_listf attr_setf attr_removef)
1491                 ])
1492         AC_CHECK_FUNCS(extattr_delete_file,[
1493                 AC_CHECK_FUNCS(extattr_delete_fd extattr_delete_link extattr_get_fd extattr_get_file extattr_get_link extattr_list_fd extattr_list_file extattr_list_link extattr_set_fd extattr_set_file extattr_set_link)
1494                 ])
1495   ;;
1496 esac
1497
1498 ########################################################
1499 # Do xattr functions take additional options like on Darwin?
1500 if test x"$ac_cv_func_getxattr" = x"yes" ; then
1501         AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt, [
1502                 old_LIBS=$LIBS
1503                 LIBS="$LIBS $ACL_LIBS"
1504                 AC_TRY_COMPILE([
1505                         #include <sys/types.h>
1506                         #if HAVE_ATTR_XATTR_H
1507                         #include <attr/xattr.h>
1508                         #elif HAVE_SYS_XATTR_H
1509                         #include <sys/xattr.h>
1510                         #endif
1511                 ],[
1512                         getxattr(0, 0, 0, 0, 0, 0);
1513                 ],
1514                 [smb_attr_cv_xattr_add_opt=yes],
1515                 [smb_attr_cv_xattr_add_opt=no;LIBS=$old_LIBS])
1516         ])
1517         if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
1518                 AC_DEFINE(XATTR_ADD_OPT, 1, [xattr functions have additional options])
1519         fi
1520 fi
1521
1522 AC_DISABLE_STATIC
1523 AC_ENABLE_SHARED
1524
1525 # Set defaults
1526 PIE_CFLAGS=""
1527 PIE_LDFLAGS=""
1528 AC_ARG_ENABLE(pie, [AS_HELP_STRING([--enable-pie], [Turn on pie support if available (default=yes)])])
1529
1530 if test "x$enable_pie" != xno
1531 then
1532         AC_CACHE_CHECK(for -pie and -fPIE, samba_cv_fpie,
1533         [
1534                 cat > conftest.c <<EOF
1535 int foo;
1536 int main () { return 0;}
1537 EOF
1538                 if AC_TRY_COMMAND_NO_STDERR([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fPIE -o conftest conftest.c])
1539                 then
1540                         samba_cv_fpie=yes
1541                 else
1542                         samba_cv_fpie=no
1543                 fi
1544                 rm -f conftest*
1545         ])
1546         if test x"${samba_cv_fpie}" = x"yes"
1547         then
1548                 PIE_CFLAGS="-fPIE"
1549                 PIE_LDFLAGS="-pie"
1550         fi
1551 fi
1552
1553 # Set defaults
1554 RELRO_LDFLAGS=""
1555 AC_ARG_ENABLE(relro, [AS_HELP_STRING([--enable-relro], [Turn on Relocations Read-Only (relro) support if available (default=yes)])])
1556
1557 if test "x$enable_relro" != xno
1558 then
1559         AC_CACHE_CHECK([for -Wl,-z,relro], samba_cv_relro,
1560         [
1561                 cat > conftest.c <<EOF
1562 int foo;
1563 main () { return 0;}
1564 EOF
1565                 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-z,relro -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
1566                 then
1567                         samba_cv_relro=yes
1568                 else
1569                         samba_cv_relro=no
1570                 fi
1571                 rm -f conftest*
1572         ])
1573         if test x"${samba_cv_relro}" = x"yes"
1574         then
1575                 RELRO_LDFLAGS="-Wl,-z,relro"
1576         fi
1577 fi
1578
1579 # Set defaults
1580 SYMSEXT="syms"
1581 AC_SUBST(SYMSEXT)
1582
1583 # Assume non-shared by default and override below
1584 BLDSHARED="false"
1585
1586 # these are the defaults, good for lots of systems
1587 HOST_OS="$host_os"
1588 LDSHFLAGS="-shared"
1589 MODULE_EXPORTS=""
1590 SONAMEFLAG="#"
1591 SHLD="\${CC} \${CFLAGS}"
1592 PICFLAG="${PIE_CFLAGS}"
1593 SHLIBEXT="so"
1594 DSO_EXPORTS=""
1595
1596 # this bit needs to be modified for each OS that supports share libs
1597 # You need to specify how to create a shared library and
1598   # how to compile C code to produce PIC object files
1599
1600   AC_MSG_CHECKING([ability to build shared libraries])
1601
1602   # and these are for particular systems
1603   case "$host_os" in
1604                 *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
1605                         case "$host_os" in
1606                                 *linux*) AC_DEFINE(LINUX,1,[Whether the host os is linux]) ;;
1607                                 *qnx*) AC_DEFINE(QNX,1,[Whether the host os is qnx]) ;;
1608                         esac
1609                         BLDSHARED="true"
1610                         LDSHFLAGS="-shared -Wl,-Bsymbolic"
1611                         if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
1612                                 LDSHFLAGS_Z_NODEFS="-Wl,--allow-shlib-undefined"
1613                         fi
1614                         DYNEXP="-Wl,--export-dynamic"
1615                         PICFLAG="-fPIC"
1616                         SONAMEFLAG="-Wl,-soname="
1617                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1618                         ;;
1619                 *solaris*) AC_DEFINE(SUNOS5,1,[Whether the host os is solaris])
1620                         BLDSHARED="true"
1621                         if test "${GCC}" = "yes"; then
1622                                 PICFLAG="-fPIC"
1623                                 SONAMEFLAG="-Wl,-soname="
1624                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
1625                                         DYNEXP="-Wl,-E"
1626                                 fi
1627                                 LDSHFLAGS="-shared"
1628                         else
1629                                 PICFLAG="-KPIC"
1630                                 LDSHFLAGS="-G"
1631                         fi
1632                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1633                                 SONAMEFLAG="-Wl,-soname="
1634                         else
1635                                 SONAMEFLAG="-Wl,-h,"
1636                         fi
1637                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1638                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1639                         ;;
1640                 *sunos*) AC_DEFINE(SUNOS4,1,[Whether the host os is sunos4])
1641                         BLDSHARED="true"
1642                         LDSHFLAGS="-G"
1643                         SONAMEFLAG="-Wl,-h,"
1644                         PICFLAG="-KPIC"   # Is this correct for SunOS
1645                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1646                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1647                         ;;
1648                 *netbsd* | *freebsd* | *dragonfly* )
1649                         BLDSHARED="true"
1650                         LDSHFLAGS="-shared"
1651                         DYNEXP="-Wl,--export-dynamic"
1652                         SONAMEFLAG="-Wl,-soname,"
1653                         PICFLAG="-fPIC -DPIC"
1654                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1655                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1656                         ;;
1657                 *openbsd*)  BLDSHARED="true"
1658                         LDSHFLAGS="-shared"
1659                         DYNEXP="-Wl,-Bdynamic"
1660                         SONAMEFLAG="-Wl,-soname,"
1661                         PICFLAG="-fPIC"
1662                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1663                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1664                         ;;
1665                 *irix*) AC_DEFINE(IRIX,1,[Whether the host os is irix])
1666                         case "$host_os" in
1667                         *irix6*) AC_DEFINE(IRIX6,1,[Whether the host os is irix6])
1668                         ;;
1669                         esac
1670                         BLDSHARED="true"
1671                         LDSHFLAGS="-Wl,-set_version,sgi1.0 -shared"
1672                         SONAMEFLAG="-Wl,-soname,"
1673                         if test "${GCC}" = "yes"; then
1674                                 PICFLAG="-fPIC"
1675                         else
1676                                 PICFLAG="-KPIC"
1677                         fi
1678                         AC_DEFINE(STAT_ST_BLOCKSIZE,512,[The size of a block])
1679                         ;;
1680                 *aix*) AC_DEFINE(AIX,1,[Whether the host os is aix])
1681                         BLDSHARED="true"
1682                         # use expfull to export underscored symbols
1683                         # add rtl to remove /lib/crt0.o warning
1684                         LDSHFLAGS="-Wl,-G,-bexpfull,-bbigtoc,-brtl"
1685                         DYNEXP="-Wl,-brtl,-bexpfull,-bbigtoc"
1686                         PICFLAG="-O2"
1687                         # as AIX code is always position independent...
1688                         # .po will just create compile warnings, use po.o:
1689                         if test "${GCC}" != "yes"; then
1690                                 ## for funky AIX compiler using strncpy()
1691                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000 -qhalt=e"
1692                         fi
1693
1694                         AC_DEFINE(STAT_ST_BLOCKSIZE,DEV_BSIZE,[The size of a block])
1695                         AC_DEFINE(BROKEN_STRNLEN,1,[Does strnlen work correctly])
1696                         AC_DEFINE(BROKEN_STRNDUP,1,[Does strndup work correctly])
1697                         ;;
1698                 *hpux*) AC_DEFINE(HPUX,1,[Whether the host os is HPUX])
1699                         # ia64: 64bit build using gcc with CFLAGS="-mpl64"
1700                         #       64bit build using HP's cc with CFLAGS="+DD64"
1701                         # hppa: 64bit build unsupported by gcc
1702                         #       64bit build using HP's cc with CFLAGS="+DA2.0w"
1703                         # HP-UX 11.00 ld needs PHSS_33034
1704                         BLDSHARED="true"
1705                         if test "${GCC}" = "yes"; then
1706                                 PICFLAG="-fPIC"
1707                                 LDSHFLAGS="-shared"
1708                         else
1709                                 PICFLAG="+z"
1710                                 LDSHFLAGS="-b"
1711                                 # "Uses depth-first symbol resolution"
1712                                 LDSHFLAGS="$LDSHFLAGS -Wl,-B,symbolic,-b"
1713                                 if test "$host_cpu" != "ia64"; then
1714                                         # "don't store literals in read-only memory" (?):
1715                                         PICFLAG="$PICFLAG +ESnolit"
1716                                 fi
1717                         fi
1718                         if test "$host_cpu" = "ia64"; then
1719                                 SHLIBEXT="so"
1720                                 # TODO: does the linker find the right 32/64 bit version of the libs? :
1721                                 DYNEXP="-Wl,-E,+b/usr/local/lib/hpux32:/usr/lib/hpux32:/usr/local/lib/hpux64:/usr/lib/hpux64"
1722                         else
1723                                 SHLIBEXT="sl"
1724                                 DYNEXP="-Wl,-E,+b/usr/local/lib:/usr/lib"
1725                         fi
1726                         if test "$ac_cv_prog_gnu_ld" = "yes"; then
1727                                 SONAMEFLAG="-Wl,-soname="
1728                         else
1729                                 SONAMEFLAG="-Wl,+h,"
1730                         fi
1731                         # PIE/PIC flags at link time are required on HP-UX because
1732                         # linking requires a temporary source file, which is being
1733                         # compiled with the indicated flags - which need to contain
1734                         # PIC flags when we don't support PIE flags:
1735                         if test "$PIE_LDFLAGS" = "" ; then
1736                                 PIE_LDFLAGS=\${PICFLAG}
1737                         fi
1738                         AC_DEFINE(STAT_ST_BLOCKSIZE,8192,[The size of a block])
1739                         AC_DEFINE(POSIX_ACL_NEEDS_MASK,1,[Does a POSIX ACL need a mask element])
1740                         ;;
1741                 *osf*) AC_DEFINE(OSF1,1,[Whether the host os is osf1])
1742                         BLDSHARED="true"
1743                         LDSHFLAGS="-shared"
1744                         SONAMEFLAG="-Wl,-soname,"
1745                         if test "${GCC}" = "yes"; then
1746                                 PICFLAG="-fPIC"
1747                         fi
1748                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1749                         AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
1750                         for flags in "-expect_unresolved '*'" "-Wl,-expect_unresolved,'*'" ; do
1751                                 saved_ldflags="$LDFLAGS"
1752                                 AC_MSG_CHECKING([if $flags works])
1753                                 LDFLAGS="$flags $saved_ldflags"
1754                                 AC_TRY_LINK([],[],
1755                                         [AC_MSG_RESULT([yes])
1756                                         LDSHFLAGS_Z_NODEFS=$flags],
1757                                         AC_MSG_RESULT([no]))
1758                                 LDFLAGS="$saved_ldflags"
1759                                 test x"$LDSHFLAGS_Z_NODEFS" != x && break
1760                         done
1761                         ;;
1762                 *sco*) AC_DEFINE(SCO,1,[Whether the host os is sco unix])
1763                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1764                         ;;
1765                 *unixware*) AC_DEFINE(UNIXWARE,1,[Whether the host os is unixware])
1766                         BLDSHARED="true"
1767                         LDSHFLAGS="-shared"
1768                         SONAMEFLAG="-Wl,-soname,"
1769                         PICFLAG="-KPIC"
1770                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1771                         ;;
1772                 *next2*) AC_DEFINE(NEXT2,1,[Whether the host os is NeXT v2])
1773                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1774                         ;;
1775                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
1776                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1777                         ;;
1778                 *sysv4*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1779                         case "$host" in
1780                                 *-univel-*)     if [ test "$GCC" != yes ]; then
1781                                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1782                                         fi
1783                                         LDSHFLAGS="-G"
1784                                         DYNEXP="-Bexport"
1785                                 ;;
1786                                 *mips-sni-sysv4*) AC_DEFINE(RELIANTUNIX,1,[Whether the host os is reliantunix]);;
1787                         esac
1788                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1789                         ;;
1790
1791                 *sysv5*) AC_DEFINE(SYSV,1,[Whether this is a system V system])
1792                         if [ test "$GCC" != yes ]; then
1793                                 AC_DEFINE(HAVE_MEMSET,1,[Whether memset() is available])
1794                         fi
1795                         LDSHFLAGS="-G"
1796                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1797                         ;;
1798                 *vos*) AC_DEFINE(STAT_ST_BLOCKSIZE,4096)
1799                         BLDSHARED="false"
1800                         LDSHFLAGS=""
1801                         ;;
1802
1803                 *darwin*)   AC_DEFINE(DARWINOS,1,[Whether the host os is Darwin/MacOSX])
1804                         BLDSHARED="true"
1805                         LDSHFLAGS="-dynamiclib -flat_namespace -undefined suppress"
1806                         CFLAGS="$CFLAGS -fno-common"
1807                         SHLD="\${CC}"
1808                         SHLIBEXT="dylib"
1809                         MODULE_EXPORTS="-exported_symbols_list \$(srcdir)/exports/modules-darwin.syms"
1810                         SHLIBEXT="dylib"
1811                         # Since gcc doesn't fail on unrecognised options, the
1812                         # PIE test incorrectly succeeds. Darwin gcc does not
1813                         # actually support the PIE stuff.
1814                         PIE_LDFLAGS=
1815                         PIE_CFLAGS=
1816                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1817                         ;;
1818
1819                 *)
1820                         AC_DEFINE(STAT_ST_BLOCKSIZE,512)
1821                         ;;
1822   esac
1823
1824 if test "$enable_shared" != "yes"; then
1825         BLDSHARED=false
1826 fi
1827
1828 if test "$enable_shared" = yes -a "${ac_cv_gnu_ld_version_script}" = yes; then
1829         DSO_EXPORTS=\$\(DSO_EXPORTS_CMD\)
1830 fi
1831
1832 if test x"$BLDSHARED" = x"true" ; then
1833         LDFLAGS="$LDFLAGS -L./bin"
1834 fi
1835
1836 AC_MSG_RESULT($BLDSHARED)
1837
1838 if test x"$enable_developer" = x"yes" ; then
1839         default_as_needed=auto
1840 else
1841         default_as_needed=no
1842 fi
1843 AC_ARG_ENABLE(as-needed,
1844         AS_HELP_STRING([--enable-as-needed],
1845         [Turn on as-needed support if available (default=no)]),
1846         [enable_as_needed=$enableval],
1847         [enable_as_needed=$default_as_needed])
1848 if test "x$enable_as_needed" != xno; then
1849     saved_before_as_needed_ldflags="$LDFLAGS"
1850     for flags in "-Wl,--as-needed" "-Wl,-z,ignore" "-z ignore" ; do
1851         saved_ldflags="$LDFLAGS"
1852         AC_MSG_CHECKING([if $flags works])
1853         LDFLAGS="$flags $saved_ldflags"
1854         AC_TRY_LINK([],[],
1855                 [AC_MSG_RESULT([yes])
1856                 LD_AS_NEEDED_FLAG=$flags
1857                 ld_as_needed_flag_found=yes],
1858                 AC_MSG_RESULT([no]))
1859         LDFLAGS="$LD_AS_NEEDED_FLAG $saved_ldflags"
1860         test x"$ld_as_needed_flag_found" = xyes && break
1861     done
1862 fi
1863
1864 if test x$ld_as_needed_flag_found = xyes -a x$enable_as_needed = xauto ; then
1865 # check if ld has bug described in https://bugzilla.samba.org/show_bug.cgi?id=7209#c17
1866         AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG has explicit external libs bug])
1867 cat > conftest_shb.c <<END
1868 void b() {}
1869 END
1870 cat > conftest_sha.c <<END
1871 extern void b();
1872 void a() {
1873         b();
1874 }
1875 END
1876 cat > conftest.c <<END
1877 extern void a();
1878 int main() {
1879         a();
1880         return 0;
1881 }
1882 END
1883
1884         rm -fr conftest
1885         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_sha.o conftest_sha.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1886         AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_shb.o conftest_shb.c 1>&AS_MESSAGE_LOG_FD 2>&1])
1887         TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1888         AC_TRY_COMMAND([$TESTCMD -o libconftest_shb.$SHLIBEXT conftest_shb.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1889         AC_TRY_COMMAND([$TESTCMD -o libconftest_sha.$SHLIBEXT conftest_sha.o 1>&AS_MESSAGE_LOG_FD 2>&1])
1890         AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
1891         if AC_TRY_COMMAND([eval "$LIB_PATH_VAR=. ./conftest 1>&AS_MESSAGE_LOG_FD 2>&1"])
1892         then
1893                 AC_MSG_RESULT([no])
1894         else
1895                 ld_as_needed_flag_found=no
1896                 LDFLAGS="$saved_before_as_needed_ldflags"
1897                 AC_MSG_RESULT([yes])
1898         fi
1899         rm conftest* libconftest*
1900 fi
1901
1902 # check if we have to disable LD_AS_NEEDED_FLAG:
1903 # On some systems for a veriety of reasons linking with
1904 # -Wl,--as-needed -lreadline -lncurses fails
1905 # we have to retest, if these combination is detected before.
1906 # Bugzilla #7209
1907
1908 if test x$ac_cv_lib_readline_rl_callback_handler_install = xyes ; then
1909         if test x$ld_as_needed_flag_found = xyes ; then
1910                 AC_MSG_CHECKING([if $LD_AS_NEEDED_FLAG works with readline])
1911                 # try if check no fails
1912                 save_LIBS=$LIBS
1913                 LIBS="$LIBS $TERMLIBS"
1914                 AC_TRY_LINK([], [rl_callback_handler_install();], [AC_MSG_RESULT([yes])],[ AC_MSG_RESULT([no]); LDFLAGS="$saved_before_as_needed_ldflags"])
1915                 LIBS="$save_LIBS"
1916         fi
1917 fi
1918
1919
1920
1921 # for historical reasons almost all linkers don't complain about unresolved
1922 # symbols in shared libs. Except for the internal samba modules we want to get
1923 # errors when we produce a shared lib with unresolved symbols. On some
1924 # platforms unresolved symbols might be intended, so we might have to add
1925 # platform specific exceptions here.
1926
1927 for flags in "-Wl,-z,defs" "-error_unresolved" "-Wl,-error_unresolved" ; do
1928         saved_ldflags="$LDFLAGS"
1929         AC_MSG_CHECKING([if $flags works])
1930         LDFLAGS="$flags $saved_ldflags"
1931         AC_TRY_LINK([],[],
1932         [AC_MSG_RESULT([yes])
1933         LDSHFLAGS_Z_DEFS=$flags
1934         ldshflags_z_defs_found=yes],
1935         AC_MSG_RESULT([no]))
1936         LDFLAGS=$saved_ldflags
1937         test x"$ldshflags_z_defs_found" = xyes && break
1938 done
1939
1940 AC_MSG_CHECKING([LDSHFLAGS_Z_DEFS])
1941 AC_MSG_RESULT([$LDSHFLAGS_Z_DEFS])
1942 AC_MSG_CHECKING([LDFLAGS])
1943 AC_MSG_RESULT([$LDFLAGS])
1944 AC_MSG_CHECKING([DYNEXP])
1945 AC_MSG_RESULT([$DYNEXP])
1946
1947 #######################################################
1948 # test whether building a shared library actually works
1949 if test $BLDSHARED = true; then
1950
1951 AC_MSG_CHECKING([SHLD])
1952 AC_MSG_RESULT([$SHLD])
1953 AC_MSG_CHECKING([LDSHFLAGS])
1954 AC_MSG_RESULT([$LDSHFLAGS])
1955
1956 AC_MSG_CHECKING([SHLIBEXT])
1957 AC_MSG_RESULT([$SHLIBEXT])
1958 AC_MSG_CHECKING([SONAMEFLAG])
1959 AC_MSG_RESULT([$SONAMEFLAG])
1960
1961 AC_MSG_CHECKING([PICFLAG])
1962 AC_MSG_RESULT([$PICFLAG])
1963
1964 AC_MSG_CHECKING([NSSSONAMEVERSIONSUFFIX])
1965 AC_MSG_RESULT([$NSSSONAMEVERSIONSUFFIX])
1966
1967 AC_CACHE_CHECK([whether building shared libraries actually works],
1968                [ac_cv_shlib_works],[
1969    # try building a trivial shared library
1970    ac_cv_shlib_works=no
1971    # The $SHLD and $LDSHFLAGS variables may contain references to other
1972    # variables so they need to be eval'ed.
1973    if AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o shlib.o ${srcdir-.}/../tests/shlib.c 1>&AS_MESSAGE_LOG_FD])
1974    then
1975      TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
1976      TESTCMD="$TESTCMD -o \"shlib.$SHLIBEXT\" shlib.o"
1977      if AC_TRY_COMMAND([eval $TESTCMD 1>&AS_MESSAGE_LOG_FD 2>&1])
1978      then
1979        ac_cv_shlib_works=yes
1980      fi
1981    fi
1982    rm -f "shlib.$SHLIBEXT" shlib.o
1983
1984 ])
1985 if test $ac_cv_shlib_works = no; then
1986    BLDSHARED=false
1987 fi
1988 fi
1989
1990 if test x"$BLDSHARED" != x"true"; then
1991         LDSHFLAGS="shared-libraries-disabled"
1992         SONAMEFLAG="shared-libraries-disabled"
1993         NSSSONAMEVERSIONSUFFIX="shared-libraries-disabled"
1994         SHLD="shared-libraries-disabled"
1995         PICFLAG="${PIE_CFLAGS}"
1996         SHLIBEXT="shared_libraries_disabled"
1997         smbtorture4_possible=no
1998 fi
1999
2000 AC_MSG_CHECKING([used PICFLAG])
2001 AC_MSG_RESULT([$PICFLAG])
2002
2003 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
2004
2005
2006
2007 ###########################################################
2008 #
2009 # Configuration of subsystems / libraries
2010 #
2011 ###########################################################
2012
2013 INSTALLLIBCMD_SH=:
2014 INSTALLLIBCMD_A=:
2015 UNINSTALLLIBCMD_SH=:
2016 UNINSTALLLIBCMD_A=:
2017
2018 if test $BLDSHARED = true; then
2019         INSTALLLIBCMD_SH="\$(INSTALLCMD)"
2020         UNINSTALLLIBCMD_SH="rm -f"
2021 fi
2022 if test $enable_static = yes; then
2023         INSTALLLIBCMD_A="\$(INSTALLCMD)"
2024         UNINSTALLLIBCMD_A="rm -f"
2025 fi
2026
2027 #################################################
2028 # --disable-shared-libs
2029 # can be used to disable the internal use of shared libs altogether
2030 # (this only has an effect when building shared libs is enabled)
2031 #
2032 USESHARED=false
2033 AC_SUBST(USESHARED)
2034
2035 AC_MSG_CHECKING(whether to use shared libraries internally)
2036 AC_ARG_ENABLE([shared-libs],
2037         AS_HELP_STRING([--enable-shared-libs],
2038                 [Use shared libraries internally (default=yes)]),
2039         [enable_shared_libs=$enableval],
2040         [enable_shared_libs=yes])
2041
2042 if test x"$enable_shared_libs" != x"no" ; then
2043         USESHARED=$BLDSHARED
2044 fi
2045
2046 AC_MSG_RESULT([$USESHARED])
2047
2048 if test x"$enable_shared_libs" = x"yes" -a x"$BLDSHARED" != x"true" ; then
2049         AC_MSG_WARN([--enable-shared-libs: no support for shared libraries])
2050 fi
2051
2052 #################################################
2053 # --with-static-libs=LIBS:
2054 #   link (internal) libs dynamically or statically?
2055 #
2056 # If a subsystem is built as a library then this controls whether they are
2057 # linked into Samba targets statically or dynamically:
2058 #
2059 # * If we build the shared library at all, we link dynamically by default.
2060 #
2061 # * We only link statically if we don't build shared or if the library
2062 #   appears in the --with-static-libs configure option.
2063 #
2064 # Example:
2065 #   --with-static-libs=libtalloc makes use of libtalloc.a instead
2066 #   of linking the dynamic variant with -ltalloc.
2067 #
2068 # NOTE: This option only affects libraries that we do not only build
2069 # but that samba also links against as libraries (as opposed to linking
2070 # the plain object files. - This has to be configured in Makefile.in.
2071 # So in particular it does not harm to give invalid or unknown names here.
2072 #
2073
2074 AC_ARG_WITH([static-libs],
2075         [AS_HELP_STRING([--with-static-libs=LIBS],
2076                 [Comma-separated list of names of (internal) libraries to link statically (instead of dynamically)])],
2077         [AS_IF([test $withval],
2078                 [for lib in `echo $withval | sed -e 's/,/ /g'` ; do
2079                         [lib=`echo $lib | tr '[a-z]' '[A-Z]'`]
2080                         eval LINK_$lib=STATIC
2081                 done], [])],
2082         [])
2083
2084 #
2085 # WORKAROUND:
2086 #   until we have organized other internal subsystems (as util, registry
2087 #   and smbconf) into shared libraries, we CAN NOT link libnetapi
2088 #   dynamically to samba programs.
2089 #
2090 LINK_LIBNETAPI=STATIC
2091
2092 LINK_LIBSMBCLIENT=STATIC
2093
2094 #
2095 #  The library versions are hardcoded here
2096 #  and filled into the LIBFOO_SOVER variable.
2097 #
2098 #  TODO: for talloc and tdb (at least), these should
2099 #  be extracted from their respective source directories
2100 #
2101 AC_ARG_ENABLE(external_libtalloc,
2102         [AS_HELP_STRING([--enable-external-libtalloc],
2103                 [Enable external talloc [default=auto]])],
2104         [ enable_external_libtalloc=$enableval ],
2105         [ enable_external_libtalloc=auto ])
2106
2107 if test "x$enable_external_libtalloc" != xno
2108 then
2109         PKG_CHECK_MODULES(LIBTALLOC, talloc >= 2.0.1,
2110                 [ enable_external_libtalloc=yes ],
2111                 [ if test x$enable_external_libtalloc = xyes; then
2112                         AC_MSG_ERROR([Unable to find libtalloc])
2113                   else
2114                         enable_external_libtalloc=no
2115                   fi
2116                 ])
2117 fi
2118
2119 if test "x$enable_external_libtalloc" = xno
2120 then
2121         m4_include(../lib/talloc/libtalloc.m4)
2122         if test x"$USESHARED" == x"no" ; then
2123                 LINK_LIBTALLOC=STATIC
2124         fi
2125         LIBTALLOCVERSION=`grep ^VERSION ${tallocdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
2126         SMB_LIBRARY(talloc, 2, ${LIBTALLOCVERSION})
2127         LIBTALLOC_OBJ0=""
2128         for obj in ${TALLOC_OBJ}; do
2129                 LIBTALLOC_OBJ0="${LIBTALLOC_OBJ0} ${tallocdir}/${obj}"
2130         done
2131         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TALLOC_CFLAGS}"
2132         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TALLOC_CFLAGS}"
2133         AC_SUBST(LIBTALLOC_OBJ0)
2134
2135         TALLOCTORT="bin/talloctort"
2136         AC_SUBST(TALLOCTORT)
2137 fi
2138
2139
2140 AC_ARG_ENABLE(external_libtdb,
2141         [AS_HELP_STRING([--enable-external-libtdb],
2142                 [Enable external tdb [default=auto]])],
2143                 [ enable_external_libtdb=$enableval ],
2144                 [ enable_external_libtdb=auto ])
2145
2146 if test "x$enable_external_libtdb" != xno
2147 then
2148         PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.6,
2149                 [ enable_external_libtdb=yes ],
2150                 [
2151                 if test x$enable_external_libtdb = xyes; then
2152                         AC_MSG_ERROR([Unable to find libtdb])
2153                 else
2154                         enable_external_libtdb=no
2155                 fi
2156                 ])
2157 fi
2158
2159 AC_SUBST(LIBTDB_OBJ0)
2160 if test "x$enable_external_libtdb" = xno
2161 then
2162         m4_include(../lib/tdb/libtdb.m4)
2163         if test x"$USESHARED" == x"no" ; then
2164                 LINK_LIBTDB=STATIC
2165         fi
2166         LIBTDBVERSION=`grep ^VERSION ${tdbdir}/wscript | sed -e "s/'//g" -e 's/.* //'`
2167         SMB_LIBRARY(tdb, 1, ${LIBTDBVERSION})
2168         LIBTDB_OBJ0=""
2169         LIBTDB_LIBS="$LIBTDB_LIBS $TDB_DEPS"
2170         for obj in ${TDB_OBJ}; do
2171                 LIBTDB_OBJ0="${LIBTDB_OBJ0} ${tdbdir}/${obj}"
2172         done
2173         AC_SUBST(LIBTDB_OBJ0)
2174         SAMBA_CPPFLAGS="${SAMBA_CPPFLAGS} ${TDB_CFLAGS}"
2175         SAMBA_CONFIGURE_CPPFLAGS="${SAMBA_CONFIGURE_CPPFLAGS} ${TDB_CFLAGS}"
2176
2177         TDBBACKUP="bin/tdbbackup"
2178         AC_SUBST(TDBBACKUP)
2179         TDBDUMP="bin/tdbdump"
2180         AC_SUBST(TDBDUMP)
2181         TDBRESTORE="bin/tdbrestore"
2182         AC_SUBST(TDBRESTORE)
2183         TDBTOOL="bin/tdbtool"
2184         AC_SUBST(TDBTOOL)
2185         TDBTORTURE="bin/tdbtorture"
2186         AC_SUBST(TDBTORTURE)
2187 fi
2188
2189 SMB_LIBRARY(netapi, 0)
2190 SMB_LIBRARY(smbclient, 0)
2191 SMB_LIBRARY(smbsharemodes, 0)
2192 SMB_LIBRARY(addns, 0, [], no, [undefined API])
2193
2194
2195
2196 ################
2197
2198 AC_CACHE_CHECK([for long long],samba_cv_have_longlong,[
2199 AC_TRY_RUN([#include <stdio.h>
2200 main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
2201 samba_cv_have_longlong=yes,samba_cv_have_longlong=no,samba_cv_have_longlong=cross)])
2202 if test x"$samba_cv_have_longlong" = x"yes"; then
2203     AC_DEFINE(HAVE_LONGLONG,1,[Whether the host supports long long's])
2204     AC_CHECK_TYPE(intptr_t, unsigned long long)
2205 else
2206     AC_CHECK_TYPE(intptr_t, unsigned long)
2207 fi
2208
2209 #
2210 # Check if the compiler supports the LL prefix on long long integers.
2211 # AIX needs this.
2212
2213 AC_CACHE_CHECK([for LL suffix on long long integers],samba_cv_compiler_supports_ll, [
2214     AC_TRY_COMPILE([#include <stdio.h>],[long long i = 0x8000000000LL],
2215         samba_cv_compiler_supports_ll=yes,samba_cv_compiler_supports_ll=no)])
2216 if test x"$samba_cv_compiler_supports_ll" = x"yes"; then
2217    AC_DEFINE(COMPILER_SUPPORTS_LL,1,[Whether the compiler supports the LL prefix on long long integers])
2218 fi
2219
2220
2221 AC_CACHE_CHECK([for 64 bit time_t],samba_cv_SIZEOF_TIME_T,[
2222 AC_TRY_RUN([#include <time.h>
2223 main() { exit((sizeof(time_t) == 8) ? 0 : 1); }],
2224 samba_cv_SIZEOF_TIME_T=yes,samba_cv_SIZEOF_TIME_T=no,samba_cv_SIZEOF_TIME_T=cross)])
2225 if test x"$samba_cv_SIZEOF_TIME_T" = x"yes"; then
2226     AC_DEFINE(SIZEOF_TIME_T,8,[The size of the 'time_t' type])
2227 fi
2228
2229 AC_CACHE_CHECK([for TIME_T_MAX],samba_cv_TIME_T_MAX,[
2230 AC_TRY_RUN([#include <time.h>
2231 main() {
2232         struct tm *tm;
2233         if (sizeof(time_t) == 8) {
2234                 time_t max_time = 0x7fffffffffffffffll;
2235                 tm = gmtime(&max_time);
2236                 /* This should fail with 32-bit tm_year. */
2237                 if (tm == NULL) {
2238                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
2239                         max_time = 67768036191676799ll;
2240                         tm = gmtime(&max_time);
2241                         if (tm) {
2242                                 exit(0);
2243                         }
2244                 }
2245         }
2246         exit(1);
2247 }],
2248 samba_cv_TIME_T_MAX=yes,samba_cv_TIME_T_MAX=no,samba_cv_TIME_T_MAX=cross)])
2249 if test x"$samba_cv_TIME_T_MAX" = x"yes"; then
2250     AC_DEFINE(TIME_T_MAX,67768036191676799ll,[The maximum value of the 'time_t' type])
2251 fi
2252
2253
2254 AC_CACHE_CHECK([for 64 bit off_t],samba_cv_SIZEOF_OFF_T,[
2255 AC_TRY_RUN([#include <stdio.h>
2256 #include <sys/stat.h>
2257 main() { exit((sizeof(off_t) == 8) ? 0 : 1); }],
2258 samba_cv_SIZEOF_OFF_T=yes,samba_cv_SIZEOF_OFF_T=no,samba_cv_SIZEOF_OFF_T=cross)])
2259 if test x"$samba_cv_SIZEOF_OFF_T" = x"yes"; then
2260     AC_DEFINE(SIZEOF_OFF_T,8,[The size of the 'off_t' type])
2261 fi
2262
2263 AC_CACHE_CHECK([for off64_t],samba_cv_HAVE_OFF64_T,[
2264 AC_TRY_RUN([
2265 #if defined(HAVE_UNISTD_H)
2266 #include <unistd.h>
2267 #endif
2268 #include <stdio.h>
2269 #include <sys/stat.h>
2270 main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
2271 samba_cv_HAVE_OFF64_T=yes,samba_cv_HAVE_OFF64_T=no,samba_cv_HAVE_OFF64_T=cross)])
2272 if test x"$samba_cv_HAVE_OFF64_T" = x"yes"; then
2273     AC_DEFINE(HAVE_OFF64_T,1,[Whether off64_t is available])
2274 fi
2275
2276 AC_CACHE_CHECK([for 64 bit ino_t],samba_cv_SIZEOF_INO_T,[
2277 AC_TRY_RUN([
2278 #if defined(HAVE_UNISTD_H)
2279 #include <unistd.h>
2280 #endif
2281 #include <stdio.h>
2282 #include <sys/stat.h>
2283 main() { exit((sizeof(ino_t) == 8) ? 0 : 1); }],
2284 samba_cv_SIZEOF_INO_T=yes,samba_cv_SIZEOF_INO_T=no,samba_cv_SIZEOF_INO_T=cross)])
2285 if test x"$samba_cv_SIZEOF_INO_T" = x"yes"; then
2286     AC_DEFINE(SIZEOF_INO_T,8,[The size of the 'ino_t' type])
2287 fi
2288
2289 AC_CACHE_CHECK([for ino64_t],samba_cv_HAVE_INO64_T,[
2290 AC_TRY_RUN([
2291 #if defined(HAVE_UNISTD_H)
2292 #include <unistd.h>
2293 #endif
2294 #include <stdio.h>
2295 #include <sys/stat.h>
2296 main() { struct stat64 st; ino64_t s; if (sizeof(ino_t) == sizeof(ino64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
2297 samba_cv_HAVE_INO64_T=yes,samba_cv_HAVE_INO64_T=no,samba_cv_HAVE_INO64_T=cross)])
2298 if test x"$samba_cv_HAVE_INO64_T" = x"yes"; then
2299     AC_DEFINE(HAVE_INO64_T,1,[Whether the 'ino64_t' type is available])
2300 fi
2301
2302 AC_CACHE_CHECK([for 64 bit dev_t],samba_cv_SIZEOF_DEV_T,[
2303 AC_TRY_RUN([
2304 #if defined(HAVE_UNISTD_H)
2305 #include <unistd.h>
2306 #endif
2307 #include <stdio.h>
2308 #include <sys/stat.h>
2309 main() { exit((sizeof(dev_t) == 8) ? 0 : 1); }],
2310 samba_cv_SIZEOF_DEV_T=yes,samba_cv_SIZEOF_DEV_T=no,samba_cv_SIZEOF_DEV_T=cross)])
2311 if test x"$samba_cv_SIZEOF_DEV_T" = x"yes"; then
2312     AC_DEFINE(SIZEOF_DEV_T,8,[The size of the 'dev_t' type])
2313 fi
2314
2315 AC_CACHE_CHECK([for dev64_t],samba_cv_HAVE_DEV64_T,[
2316 AC_TRY_RUN([
2317 #if defined(HAVE_UNISTD_H)
2318 #include <unistd.h>
2319 #endif
2320 #include <stdio.h>
2321 #include <sys/stat.h>
2322 main() { struct stat64 st; dev64_t s; if (sizeof(dev_t) == sizeof(dev64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
2323 samba_cv_HAVE_DEV64_T=yes,samba_cv_HAVE_DEV64_T=no,samba_cv_HAVE_DEV64_T=cross)])
2324 if test x"$samba_cv_HAVE_DEV64_T" = x"yes"; then
2325     AC_DEFINE(HAVE_DEV64_T,1,[Whether the 'dev64_t' type is available])
2326 fi
2327
2328 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIR64,[
2329 AC_TRY_COMPILE([
2330 #if defined(HAVE_UNISTD_H)
2331 #include <unistd.h>
2332 #endif
2333 #include <sys/types.h>
2334 #include <dirent.h>],
2335 [DIR64 de;],
2336 samba_cv_HAVE_STRUCT_DIR64=yes,samba_cv_HAVE_STRUCT_DIR64=no)])
2337 if test x"$samba_cv_HAVE_STRUCT_DIR64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
2338     AC_DEFINE(HAVE_STRUCT_DIR64,1,[Whether the 'DIR64' abstract data type is available])
2339 fi
2340
2341 AC_CACHE_CHECK([for struct dirent64],samba_cv_HAVE_STRUCT_DIRENT64,[
2342 AC_TRY_COMPILE([
2343 #if defined(HAVE_UNISTD_H)
2344 #include <unistd.h>
2345 #endif
2346 #include <sys/types.h>
2347 #include <dirent.h>],
2348 [struct dirent64 de;],
2349 samba_cv_HAVE_STRUCT_DIRENT64=yes,samba_cv_HAVE_STRUCT_DIRENT64=no)])
2350 if test x"$samba_cv_HAVE_STRUCT_DIRENT64" = x"yes" && test x"$ac_cv_func_readdir64" = x"yes"; then
2351     AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Whether the 'dirent64' struct is available])
2352 fi
2353
2354 AC_CACHE_CHECK([for major macro],samba_cv_HAVE_DEVICE_MAJOR_FN,[
2355 AC_TRY_RUN([
2356 #if defined(HAVE_UNISTD_H)
2357 #include <unistd.h>
2358 #endif
2359 #include <sys/types.h>
2360 main() { dev_t dev; int i = major(dev); return 0; }],
2361 samba_cv_HAVE_DEVICE_MAJOR_FN=yes,samba_cv_HAVE_DEVICE_MAJOR_FN=no,samba_cv_HAVE_DEVICE_MAJOR_FN=cross)])
2362 if test x"$samba_cv_HAVE_DEVICE_MAJOR_FN" = x"yes"; then
2363     AC_DEFINE(HAVE_DEVICE_MAJOR_FN,1,[Whether the major macro for dev_t is available])
2364 fi
2365
2366 AC_CACHE_CHECK([for minor macro],samba_cv_HAVE_DEVICE_MINOR_FN,[
2367 AC_TRY_RUN([
2368 #if defined(HAVE_UNISTD_H)
2369 #include <unistd.h>
2370 #endif
2371 #include <sys/types.h>
2372 main() { dev_t dev; int i = minor(dev); return 0; }],
2373 samba_cv_HAVE_DEVICE_MINOR_FN=yes,samba_cv_HAVE_DEVICE_MINOR_FN=no,samba_cv_HAVE_DEVICE_MINOR_FN=cross)])
2374 if test x"$samba_cv_HAVE_DEVICE_MINOR_FN" = x"yes"; then
2375     AC_DEFINE(HAVE_DEVICE_MINOR_FN,1,[Whether the minor macro for dev_t is available])
2376 fi
2377
2378 AC_CACHE_CHECK([for makedev macro],samba_cv_HAVE_MAKEDEV,[
2379 AC_TRY_RUN([
2380 #if defined(HAVE_UNISTD_H)
2381 #include <unistd.h>
2382 #endif
2383 #include <sys/types.h>
2384 main() { dev_t dev = makedev(1,2); return 0; }],
2385 samba_cv_HAVE_MAKEDEV=yes,samba_cv_HAVE_MAKEDEV=no,samba_cv_HAVE_MAKEDEV=cross)])
2386 if test x"$samba_cv_HAVE_MAKEDEV" = x"yes"; then
2387     AC_DEFINE(HAVE_MAKEDEV,1,[Whether the macro for makedev is available])
2388 fi
2389
2390 AC_CACHE_CHECK([for unsigned char],samba_cv_HAVE_UNSIGNED_CHAR,[
2391 AC_TRY_RUN([#include <stdio.h>
2392 main() { char c; c=250; exit((c > 0)?0:1); }],
2393 samba_cv_HAVE_UNSIGNED_CHAR=yes,samba_cv_HAVE_UNSIGNED_CHAR=no,samba_cv_HAVE_UNSIGNED_CHAR=cross)])
2394 if test x"$samba_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
2395     AC_DEFINE(HAVE_UNSIGNED_CHAR,1,[Whether the 'unsigned char' type is available])
2396 fi
2397
2398 AC_CACHE_CHECK([whether seekdir returns void],samba_cv_SEEKDIR_RETURNS_VOID,[
2399 AC_TRY_COMPILE([#include <sys/types.h>
2400 #include <dirent.h>
2401 void seekdir(DIR *d, long loc) { return; }],[return 0;],
2402 samba_cv_SEEKDIR_RETURNS_VOID=yes,samba_cv_SEEKDIR_RETURNS_VOID=no)])
2403 if test x"$samba_cv_SEEKDIR_RETURNS_VOID" = x"yes"; then
2404     AC_DEFINE(SEEKDIR_RETURNS_VOID,1,[Whether seekdir returns void])
2405 fi
2406
2407 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
2408 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
2409 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
2410 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
2411     AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
2412 fi
2413
2414 if test x"$libreplace_cv_HAVE_CLOCK_GETTIME_IN_LIBRT" = xyes ; then
2415         LIBS="$LIBS -lrt"
2416 fi
2417
2418 AC_CACHE_CHECK([for broken readdir name],samba_cv_HAVE_BROKEN_READDIR_NAME,[
2419 AC_TRY_RUN([#include <sys/types.h>
2420 #include <dirent.h>
2421 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
2422 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
2423 di->d_name[0] == 0) exit(0); exit(1);} ],
2424 samba_cv_HAVE_BROKEN_READDIR_NAME=yes,samba_cv_HAVE_BROKEN_READDIR_NAME=no,samba_cv_HAVE_BROKEN_READDIR_NAME=cross)])
2425 if test x"$samba_cv_HAVE_BROKEN_READDIR_NAME" = x"yes"; then
2426     AC_DEFINE(HAVE_BROKEN_READDIR_NAME,1,[Whether readdir() returns the wrong name offset])
2427 fi
2428
2429 AC_CACHE_CHECK([for utimbuf],samba_cv_HAVE_UTIMBUF,[
2430 AC_TRY_COMPILE([#include <sys/types.h>
2431 #include <utime.h>],
2432 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
2433 samba_cv_HAVE_UTIMBUF=yes,samba_cv_HAVE_UTIMBUF=no,samba_cv_HAVE_UTIMBUF=cross)])
2434 if test x"$samba_cv_HAVE_UTIMBUF" = x"yes"; then
2435     AC_DEFINE(HAVE_UTIMBUF,1,[Whether struct utimbuf is available])
2436 fi
2437
2438 ##############
2439 # Check utmp details, but only if our OS offers utmp.h
2440 if test x"$ac_cv_header_utmp_h" = x"yes"; then
2441 dnl  utmp and utmpx come in many flavours
2442 dnl  We need to check for many of them
2443 dnl  But we don't need to do each and every one, because our code uses
2444 dnl  mostly just the utmp (not utmpx) fields.
2445
2446 AC_CHECK_FUNCS(pututline pututxline updwtmp updwtmpx getutmpx getutxent)
2447
2448 AC_CACHE_CHECK([for ut_name in utmp],samba_cv_HAVE_UT_UT_NAME,[
2449 AC_TRY_COMPILE([#include <sys/types.h>
2450 #include <utmp.h>],
2451 [struct utmp ut;  ut.ut_name[0] = 'a';],
2452 samba_cv_HAVE_UT_UT_NAME=yes,samba_cv_HAVE_UT_UT_NAME=no,samba_cv_HAVE_UT_UT_NAME=cross)])
2453 if test x"$samba_cv_HAVE_UT_UT_NAME" = x"yes"; then
2454     AC_DEFINE(HAVE_UT_UT_NAME,1,[Whether the utmp struct has a property ut_name])
2455 fi
2456
2457 AC_CACHE_CHECK([for ut_user in utmp],samba_cv_HAVE_UT_UT_USER,[
2458 AC_TRY_COMPILE([#include <sys/types.h>
2459 #include <utmp.h>],
2460 [struct utmp ut;  ut.ut_user[0] = 'a';],
2461 samba_cv_HAVE_UT_UT_USER=yes,samba_cv_HAVE_UT_UT_USER=no,samba_cv_HAVE_UT_UT_USER=cross)])
2462 if test x"$samba_cv_HAVE_UT_UT_USER" = x"yes"; then
2463     AC_DEFINE(HAVE_UT_UT_USER,1,[Whether the utmp struct has a property ut_user])
2464 fi
2465
2466 AC_CACHE_CHECK([for ut_id in utmp],samba_cv_HAVE_UT_UT_ID,[
2467 AC_TRY_COMPILE([#include <sys/types.h>
2468 #include <utmp.h>],
2469 [struct utmp ut;  ut.ut_id[0] = 'a';],
2470 samba_cv_HAVE_UT_UT_ID=yes,samba_cv_HAVE_UT_UT_ID=no,samba_cv_HAVE_UT_UT_ID=cross)])
2471 if test x"$samba_cv_HAVE_UT_UT_ID" = x"yes"; then
2472     AC_DEFINE(HAVE_UT_UT_ID,1,[Whether the utmp struct has a property ut_id])
2473 fi
2474
2475 AC_CACHE_CHECK([for ut_host in utmp],samba_cv_HAVE_UT_UT_HOST,[
2476 AC_TRY_COMPILE([#include <sys/types.h>
2477 #include <utmp.h>],
2478 [struct utmp ut;  ut.ut_host[0] = 'a';],
2479 samba_cv_HAVE_UT_UT_HOST=yes,samba_cv_HAVE_UT_UT_HOST=no,samba_cv_HAVE_UT_UT_HOST=cross)])
2480 if test x"$samba_cv_HAVE_UT_UT_HOST" = x"yes"; then
2481     AC_DEFINE(HAVE_UT_UT_HOST,1,[Whether the utmp struct has a property ut_host])
2482 fi
2483
2484 AC_CACHE_CHECK([for ut_time in utmp],samba_cv_HAVE_UT_UT_TIME,[
2485 AC_TRY_COMPILE([#include <sys/types.h>
2486 #include <utmp.h>],
2487 [struct utmp ut;  time_t t; ut.ut_time = t;],
2488 samba_cv_HAVE_UT_UT_TIME=yes,samba_cv_HAVE_UT_UT_TIME=no,samba_cv_HAVE_UT_UT_TIME=cross)])
2489 if test x"$samba_cv_HAVE_UT_UT_TIME" = x"yes"; then
2490     AC_DEFINE(HAVE_UT_UT_TIME,1,[Whether the utmp struct has a property ut_time])
2491 fi
2492
2493 AC_CACHE_CHECK([for ut_tv in utmp],samba_cv_HAVE_UT_UT_TV,[
2494 AC_TRY_COMPILE([#include <sys/types.h>
2495 #include <utmp.h>],
2496 [struct utmp ut;  struct timeval tv; ut.ut_tv = tv;],
2497 samba_cv_HAVE_UT_UT_TV=yes,samba_cv_HAVE_UT_UT_TV=no,samba_cv_HAVE_UT_UT_TV=cross)])
2498 if test x"$samba_cv_HAVE_UT_UT_TV" = x"yes"; then
2499     AC_DEFINE(HAVE_UT_UT_TV,1,[Whether the utmp struct has a property ut_tv])
2500 fi
2501
2502 AC_CACHE_CHECK([for ut_type in utmp],samba_cv_HAVE_UT_UT_TYPE,[
2503 AC_TRY_COMPILE([#include <sys/types.h>
2504 #include <utmp.h>],
2505 [struct utmp ut;  ut.ut_type = 0;],
2506 samba_cv_HAVE_UT_UT_TYPE=yes,samba_cv_HAVE_UT_UT_TYPE=no,samba_cv_HAVE_UT_UT_TYPE=cross)])
2507 if test x"$samba_cv_HAVE_UT_UT_TYPE" = x"yes"; then
2508     AC_DEFINE(HAVE_UT_UT_TYPE,1,[Whether the utmp struct has a property ut_type])
2509 fi
2510
2511 AC_CACHE_CHECK([for ut_pid in utmp],samba_cv_HAVE_UT_UT_PID,[
2512 AC_TRY_COMPILE([#include <sys/types.h>
2513 #include <utmp.h>],
2514 [struct utmp ut;  ut.ut_pid = 0;],
2515 samba_cv_HAVE_UT_UT_PID=yes,samba_cv_HAVE_UT_UT_PID=no,samba_cv_HAVE_UT_UT_PID=cross)])
2516 if test x"$samba_cv_HAVE_UT_UT_PID" = x"yes"; then
2517     AC_DEFINE(HAVE_UT_UT_PID,1,[Whether the utmp struct has a property ut_pid])
2518 fi
2519
2520 AC_CACHE_CHECK([for ut_exit in utmp],samba_cv_HAVE_UT_UT_EXIT,[
2521 AC_TRY_COMPILE([#include <sys/types.h>
2522 #include <utmp.h>],
2523 [struct utmp ut;  ut.ut_exit.e_exit = 0;],
2524 samba_cv_HAVE_UT_UT_EXIT=yes,samba_cv_HAVE_UT_UT_EXIT=no,samba_cv_HAVE_UT_UT_EXIT=cross)])
2525 if test x"$samba_cv_HAVE_UT_UT_EXIT" = x"yes"; then
2526     AC_DEFINE(HAVE_UT_UT_EXIT,1,[Whether the utmp struct has a property ut_exit])
2527 fi
2528
2529 dnl Look for the IPv6 varient by preference. Many systems have both.
2530 AC_CACHE_CHECK([for ut_addr_v6 in utmp],samba_cv_HAVE_UT_UT_ADDR_V6,[
2531 AC_TRY_COMPILE([#include <sys/types.h>
2532 #include <utmp.h>],
2533 [struct utmp ut;  ut.ut_addr_v6[0] = 0;],
2534 samba_cv_HAVE_UT_UT_ADDR_V6=yes,samba_cv_HAVE_UT_UT_ADDR_V6=no,samba_cv_HAVE_UT_UT_ADDR_V6=cross)])
2535 if test x"$samba_cv_HAVE_UT_UT_ADDR_V6" = x"yes"; then
2536     AC_DEFINE(HAVE_UT_UT_ADDR_V6,1,[Whether the utmp struct has a property ut_addr_v6])
2537 fi
2538
2539 AC_CACHE_CHECK([for ut_addr in utmp],samba_cv_HAVE_UT_UT_ADDR,[
2540 AC_TRY_COMPILE([#include <sys/types.h>
2541 #include <utmp.h>],
2542 [struct utmp ut;  ut.ut_addr = 0;],
2543 samba_cv_HAVE_UT_UT_ADDR=yes,samba_cv_HAVE_UT_UT_ADDR=no,samba_cv_HAVE_UT_UT_ADDR=cross)])
2544 if test x"$samba_cv_HAVE_UT_UT_ADDR" = x"yes"; then
2545     AC_DEFINE(HAVE_UT_UT_ADDR,1,[Whether the utmp struct has a property ut_addr])
2546 fi
2547
2548 if test x$ac_cv_func_pututline = xyes ; then
2549   AC_CACHE_CHECK([whether pututline returns pointer],samba_cv_PUTUTLINE_RETURNS_UTMP,[
2550   AC_TRY_COMPILE([#include <sys/types.h>
2551 #include <utmp.h>],
2552   [struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);],
2553   samba_cv_PUTUTLINE_RETURNS_UTMP=yes,samba_cv_PUTUTLINE_RETURNS_UTMP=no)])
2554   if test x"$samba_cv_PUTUTLINE_RETURNS_UTMP" = x"yes"; then
2555       AC_DEFINE(PUTUTLINE_RETURNS_UTMP,1,[Whether pututline returns pointer])
2556   fi
2557 fi
2558
2559 AC_CACHE_CHECK([for ut_syslen in utmpx],samba_cv_HAVE_UX_UT_SYSLEN,[
2560 AC_TRY_COMPILE([#include <sys/types.h>
2561 #include <utmpx.h>],
2562 [struct utmpx ux;  ux.ut_syslen = 0;],
2563 samba_cv_HAVE_UX_UT_SYSLEN=yes,samba_cv_HAVE_UX_UT_SYSLEN=no,samba_cv_HAVE_UX_UT_SYSLEN=cross)])
2564 if test x"$samba_cv_HAVE_UX_UT_SYSLEN" = x"yes"; then
2565     AC_DEFINE(HAVE_UX_UT_SYSLEN,1,[Whether the utmpx struct has a property ut_syslen])
2566 fi
2567
2568 fi
2569 # end utmp details
2570
2571 AC_CACHE_CHECK([for linux fallocate],samba_cv_HAVE_LINUX_FALLOCATE,[
2572 AC_TRY_COMPILE([
2573 #if defined(HAVE_UNISTD_H)
2574 #include <unistd.h>
2575 #endif
2576 #include <sys/types.h>
2577 #define _GNU_SOURCE
2578 #include <fcntl.h>
2579 #if defined(HAVE_LINUX_FALLOC_H)
2580 #include <linux/falloc.h>
2581 #endif],
2582 [int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2583 samba_cv_HAVE_LINUX_FALLOCATE=yes,samba_cv_HAVE_LINUX_FALLOCATE=no)])
2584 if test x"$samba_cv_HAVE_LINUX_FALLOCATE" = x"yes" && test x"$ac_cv_func_fallocate" = x"yes"; then
2585     AC_DEFINE(HAVE_LINUX_FALLOCATE,1,[Whether the Linux 'fallocate' function is available])
2586 fi
2587
2588 AC_CACHE_CHECK([for linux fallocate64],samba_cv_HAVE_LINUX_FALLOCATE64,[
2589 AC_TRY_COMPILE([
2590 #if defined(HAVE_UNISTD_H)
2591 #include <unistd.h>
2592 #endif
2593 #include <sys/types.h>
2594 #define _GNU_SOURCE
2595 #include <fcntl.h>
2596 #if defined(HAVE_LINUX_FALLOC_H)
2597 #include <linux/falloc.h>
2598 #endif],
2599 [int ret = fallocate64(0, FALLOC_FL_KEEP_SIZE, 0, 10);],
2600 samba_cv_HAVE_LINUX_FALLOCATE64=yes,samba_cv_HAVE_LINUX_FALLOCATE64=no)])
2601 if test x"$samba_cv_HAVE_LINUX_FALLOCATE64" = x"yes" && test x"$ac_cv_func_fallocate64" = x"yes"; then
2602     AC_DEFINE(HAVE_LINUX_FALLOCATE64,1,[Whether the Linux 'fallocate64' function is available])
2603 fi
2604
2605 AC_CACHE_CHECK([for getcwd takes NULL],samba_cv_GETCWD_TAKES_NULL,[
2606 AC_TRY_RUN([
2607 #if defined(HAVE_UNISTD_H)
2608 #include <unistd.h>
2609 #endif
2610 main() { char *s = getcwd(NULL,0); if (s) exit(0); exit(1); }],
2611 samba_cv_GETCWD_TAKES_NULL=yes,samba_cv_GETCWD_TAKES_NULL=no,samba_cv_GETCWD_TAKES_NULL=cross)])
2612 if test x"$samba_cv_GETCWD_TAKES_NULL" = x"yes"; then
2613     AC_DEFINE(GETCWD_TAKES_NULL,1,[Whether the getcwd function takes NULL as an argument])
2614 fi
2615
2616 ICONV_LOOK_DIRS="/usr /usr/local /sw /opt"
2617 AC_ARG_WITH(libiconv,
2618 [AS_HELP_STRING([--with-libiconv=BASEDIR], [Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto)])],
2619 [
2620   if test "$withval" = "no" ; then
2621     AC_MSG_ERROR([argument to --with-libiconv must be a directory])
2622   else
2623      if test "$withval" != "yes" ; then
2624         ICONV_PATH_SPEC=yes
2625         ICONV_LOOK_DIRS="$withval"
2626      fi
2627   fi
2628 ])
2629
2630 for i in $ICONV_LOOK_DIRS ; do
2631
2632     save_LIBS="$LIBS"
2633     save_LDFLAGS="$LDFLAGS"
2634     save_CPPFLAGS="$CPPFLAGS"
2635
2636     iconv_current_LIBS=""
2637     iconv_current_LDFLAGS=""
2638     iconv_current_CPPFLAGS=""
2639
2640     ICONV_FOUND="no"
2641     unset libext
2642
2643     #  This is here to handle -withval stuff for --with-libiconv
2644     #  Perhaps we should always add a -L
2645     CPPFLAGS="$save_CPPFLAGS -I$i/include"
2646
2647     # Check lib and lib32 library variants to cater for IRIX ABI-specific
2648     # installation paths. This gets a little tricky since we might have iconv
2649     # in both libiconv and in libc. In this case the jm_ICONV test will always
2650     # succeed when the header is found. To counter this, make sure the
2651     # library directory is there and check the ABI directory first (which
2652     # should be harmless on other systems, but causes tons of linker warnings on
2653     # 64bit Ubuntu systems).
2654     # As the build farm doesn't seem to have any IRIX machines with iconv.h
2655     # installed, I've decided to fix the linker warnings.
2656     # -- Kai
2657     # For IA64 HPUX systems, the libs are located in lib/hpux32 instead of lib.
2658     for l in "lib" "lib32" "lib/hpux32"; do
2659         if test -d "$i/$l" ; then
2660                 LDFLAGS="$save_LDFLAGS -L$i/$l"
2661                 LIBS=
2662                 export LDFLAGS LIBS CPPFLAGS
2663                 # Try to find iconv(3)
2664                 jm_ICONV($i/$l)
2665                 if test x"$ICONV_FOUND" = "xyes" ; then
2666                     libext="$l"
2667                     break
2668                 fi
2669         fi
2670     done
2671
2672     if test x"$ICONV_FOUND" = "xyes" ; then
2673         iconv_current_LDFLAGS="-L$i/$libext"
2674         iconv_current_CPPFLAGS="-I$i/include"
2675
2676         if test x"$jm_cv_lib_iconv" != x; then
2677             iconv_current_LIBS="$LIBS -l$jm_cv_lib_iconv"
2678         else
2679             # We found iconv in libc.
2680             iconv_current_LIBS=""
2681         fi
2682
2683     fi
2684
2685     if test x"$ICONV_FOUND" = "xyes" ; then
2686
2687         LDFLAGS="$save_LDFLAGS $iconv_current_LDFLAGS"
2688         CPPFLAGS="$save_CPPFLAGS $iconv_current_CPPFLAGS"
2689         LIBS="$save_LIBS $iconv_current_LIBS"
2690         export LDFLAGS LIBS CPPFLAGS
2691
2692         default_dos_charset=no
2693         default_unix_charset=no
2694
2695         # check for default dos charset name
2696         for j in CP850 IBM850 ; do
2697             rjs_CHARSET($j)
2698             default_dos_charset="$ICONV_CHARSET"
2699             if test x"$default_dos_charset" = x"$j"; then
2700                 break
2701             fi
2702         done
2703
2704         # check for default unix charset name
2705         for j in UTF-8 UTF8 ; do
2706             rjs_CHARSET($j)
2707             default_unix_charset="$ICONV_CHARSET"
2708             if test x"$default_unix_charset" = x"$j"; then
2709                 break
2710             fi
2711         done
2712
2713         if test "$default_dos_charset" != "no" -a \
2714                 "$default_dos_charset" != "cross" -a \
2715                 "$default_unix_charset" != "no" -a \
2716                 "$default_unix_charset" != "cross"
2717         then
2718                 samba_cv_HAVE_NATIVE_ICONV=yes
2719         else
2720             if test "$default_dos_charset" = "cross" -o \
2721                      "$default_unix_charset" = "cross"
2722             then
2723                     samba_cv_HAVE_NATIVE_ICONV=cross
2724             else
2725                     samba_cv_HAVE_NATIVE_ICONV=no
2726             fi
2727         fi
2728
2729         # At this point, we have a libiconv candidate. We know that
2730         # we have the right headers and libraries, but we don't know
2731         # whether it does the conversions we want. We can't test this
2732         # because we are cross-compiling. This is not necessarily a big
2733         # deal, since we can't guarantee that the results we get now will
2734         # match the results we get at runtime anyway.
2735         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"cross" ; then
2736             default_dos_charset="CP850"
2737             default_unix_charset="UTF-8"
2738             samba_cv_HAVE_NATIVE_ICONV=yes
2739             AC_MSG_WARN(assuming the libiconv in $iconv_current_LDFLAGS can convert)
2740             AC_MSG_WARN([$default_dos_charset and $default_unix_charset to UCS-16LE])
2741         fi
2742
2743         if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes" ; then
2744
2745             CPPFLAGS=$save_CPPFLAGS
2746             LDFLAGS=$save_LDFLAGS
2747             LIBS=$save_LIBS
2748
2749             if test x"$iconv_current_LIBS" != x; then
2750                 LIBS="$LIBS $iconv_current_LIBS"
2751             fi
2752
2753             # Add the flags we need to CPPFLAGS and LDFLAGS
2754             CPPFLAGS="$CPPFLAGS $iconv_current_CPPFLAGS"
2755             LDFLAGS="$LDFLAGS $iconv_current_LDFLAGS"
2756
2757             # Turn the #defines into string literals
2758             default_dos_charset="\"$default_dos_charset\""
2759             default_unix_charset="\"$default_unix_charset\""
2760
2761             AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
2762             AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,$default_dos_charset,[Default dos charset name])
2763             AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,$default_unix_charset,[Default unix charset name])
2764
2765            break
2766         fi
2767
2768     # We didn't find a working iconv, so keep going
2769     fi
2770
2771     #  We only need to clean these up here for the next pass through the loop
2772     CPPFLAGS=$save_CPPFLAGS
2773     LDFLAGS=$save_LDFLAGS
2774     LIBS=$save_LIBS
2775     export LDFLAGS LIBS CPPFLAGS
2776 done
2777 unset libext
2778
2779
2780 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
2781     AC_MSG_WARN([Sufficient support for iconv function was not found.
2782     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
2783    AC_DEFINE_UNQUOTED(DEFAULT_DOS_CHARSET,"ASCII",[Default dos charset name])
2784    AC_DEFINE_UNQUOTED(DEFAULT_UNIX_CHARSET,"UTF8",[Default unix charset name])
2785 fi
2786
2787
2788 AC_CACHE_CHECK([for Linux kernel oplocks],samba_cv_HAVE_KERNEL_OPLOCKS_LINUX,[
2789 AC_TRY_RUN([
2790 #include <sys/types.h>
2791 #include <fcntl.h>
2792 #ifndef F_GETLEASE
2793 #define F_GETLEASE      1025
2794 #endif
2795 main() {
2796        int fd = open("/dev/null", O_RDONLY);
2797        return fcntl(fd, F_GETLEASE, 0) == -1;
2798 }
2799 ],
2800 samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=no,samba_cv_HAVE_KERNEL_OPLOCKS_LINUX=cross)])
2801 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_LINUX" = x"yes"; then
2802     AC_DEFINE(HAVE_KERNEL_OPLOCKS_LINUX,1,[Whether to use linux kernel oplocks])
2803 fi
2804
2805 AC_CACHE_CHECK([for kernel change notify support],samba_cv_HAVE_KERNEL_CHANGE_NOTIFY,[
2806 AC_TRY_RUN([
2807 #include <sys/types.h>
2808 #include <fcntl.h>
2809 #include <signal.h>
2810 #ifndef F_NOTIFY
2811 #define F_NOTIFY 1026
2812 #endif
2813 main() {
2814         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
2815 }
2816 ],
2817 samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=yes,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=no,samba_cv_HAVE_KERNEL_CHANGE_NOTIFY=cross)])
2818 if test x"$samba_cv_HAVE_KERNEL_CHANGE_NOTIFY" = x"yes"; then
2819     AC_DEFINE(HAVE_KERNEL_CHANGE_NOTIFY,1,[Whether kernel notifies changes])
2820 fi
2821
2822 AC_CACHE_CHECK([for inotify support],samba_cv_HAVE_INOTIFY,[
2823 AC_CHECK_HEADERS(linux/inotify.h asm/unistd.h sys/inotify.h)
2824 AC_CHECK_FUNCS(inotify_init)
2825 AC_HAVE_DECL(__NR_inotify_init, [#include <asm/unistd.h>])
2826 ],
2827 samba_cv_HAVE_INOTIFY=yes,
2828 samba_cv_HAVE_INOTIFY=no,
2829 samba_cv_HAVE_INOTIFY=cross)
2830
2831 if test x"$ac_cv_func_inotify_init" = x"yes"; then
2832     if test  x"$ac_cv_header_sys_inotify_h" = x"yes" -o x"$ac_cv_header_linux_inotify_h" = x"yes"; then
2833         AC_DEFINE(HAVE_INOTIFY,1,[Whether kernel or sys has inotify support])
2834     fi
2835 fi
2836
2837 #################################################
2838 # Check if FAM notifications are available. For FAM info, see
2839 #       http://oss.sgi.com/projects/fam/
2840 #       http://savannah.nongnu.org/projects/fam/
2841 AC_ARG_ENABLE(fam,
2842 [AS_HELP_STRING([--enable-fam], [Turn on FAM support (default=auto)])])
2843
2844 if test x$enable_fam != xno; then
2845     AC_CHECK_HEADERS(fam.h, [samba_cv_HAVE_FAM_H=yes], [samba_cv_HAVE_FAM_H=no])
2846     if test x"$samba_cv_HAVE_FAM_H" = x"yes"; then
2847         # On IRIX, libfam requires libC, but other FAM implementations
2848         # might not need it.
2849         AC_CHECK_LIB(fam, FAMOpen2,
2850             [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam";
2851             AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2852             [samba_cv_HAVE_LIBFAM=no])
2853
2854         if test x"$samba_cv_HAVE_LIBFAM" = x"no" ; then
2855             samba_fam_xtra=-lC
2856             AC_CHECK_LIB_EXT(fam, samba_fam_xtra, FAMOpen2,
2857                 [samba_cv_HAVE_LIBFAM=yes; SMB_FAM_LIBS="-lfam -lC";
2858                 AC_DEFINE(HAVE_FAMOPEN2, 1, Define to 1 if there is support for FAMOpen2)],
2859                 [samba_cv_HAVE_LIBFAM=no])
2860             unset samba_fam_xtra
2861         fi
2862     fi
2863     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2864         default_shared_modules="$default_shared_modules vfs_notify_fam"
2865         AC_TRY_COMPILE([#include <fam.h>],
2866                     [enum FAMCodes code = FAMChanged;],
2867                     AC_DEFINE(HAVE_FAM_H_FAMCODES_TYPEDEF, 1,
2868                         [Whether fam.h contains a typedef for enum FAMCodes]),
2869                     [])
2870     fi
2871
2872     if test x"$samba_cv_HAVE_LIBFAM" = x"yes" ; then
2873         AC_CHECK_LIB(fam, FAMNoExists,
2874             [AC_DEFINE(HAVE_FAMNOEXISTS, 1, Define to 1 if there is support for FAMNoExists)])
2875     fi
2876
2877     if test x$enable_fam = xyes && test x"$samba_cv_HAVE_LIBFAM" != xyes ; then
2878         AC_MSG_ERROR(FAM support requested but FAM library not available )
2879     fi
2880 fi
2881
2882 AC_SUBST(SMB_FAM_LIBS)
2883
2884 #################################################
2885 # Check for DMAPI interfaces in libdm/libjfsdm/libxsdm
2886
2887
2888 with_dmapi_support=auto
2889 AC_MSG_CHECKING(whether to use DMAPI support)
2890 AC_ARG_WITH(dmapi,
2891 [AS_HELP_STRING([--with-dmapi], [Include DMAPI/XDSM support (default=auto)])],
2892 [ case "$withval" in
2893   yes|no)
2894     with_dmapi_support=$withval
2895     ;;
2896   esac ]
2897 )
2898 AC_MSG_RESULT([$with_dmapi_support])
2899
2900 if test x"$with_dmapi_support" != xno ; then
2901         SMB_CHECK_DMAPI([], [
2902                 AC_MSG_NOTICE(DMAPI support not present)
2903                 if test x"$with_dmapi_support" = xyes ; then
2904                         AC_MSG_ERROR(no DMAPI support found but requested!)
2905                 fi
2906                 ]
2907         )
2908 fi
2909
2910 # Add TSM SM VFS module only if there are both GPFS and DMAPI support
2911 # Theoretically it should work with AIX JFS2 too but this needs testing
2912 if test x"$ac_cv_header_gpfs_gpl_h" = x"yes" && test x"$samba_dmapi_libs" != x"" ; then
2913     default_shared_modules="$default_shared_modules vfs_tsmsm"
2914 fi
2915
2916 AC_CACHE_CHECK([for kernel share modes],samba_cv_HAVE_KERNEL_SHARE_MODES,[
2917 AC_TRY_RUN([
2918 #include <sys/types.h>
2919 #include <fcntl.h>
2920 #include <signal.h>
2921 #include <sys/file.h>
2922 #ifndef LOCK_MAND
2923 #define LOCK_MAND       32
2924 #define LOCK_READ       64
2925 #endif
2926 main() {
2927         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
2928 }
2929 ],
2930 samba_cv_HAVE_KERNEL_SHARE_MODES=yes,samba_cv_HAVE_KERNEL_SHARE_MODES=no,samba_cv_HAVE_KERNEL_SHARE_MODES=cross)])
2931 if test x"$samba_cv_HAVE_KERNEL_SHARE_MODES" = x"yes"; then
2932     AC_DEFINE(HAVE_KERNEL_SHARE_MODES,1,[Whether the kernel supports share modes])
2933 fi
2934
2935
2936 AC_CACHE_CHECK([for IRIX kernel oplock type definitions],samba_cv_HAVE_KERNEL_OPLOCKS_IRIX,[
2937 AC_TRY_COMPILE([#include <sys/types.h>
2938 #include <fcntl.h>],
2939 [oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;],
2940 samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=yes,samba_cv_HAVE_KERNEL_OPLOCKS_IRIX=no)])
2941 if test x"$samba_cv_HAVE_KERNEL_OPLOCKS_IRIX" = x"yes"; then
2942     AC_DEFINE(HAVE_KERNEL_OPLOCKS_IRIX,1,[Whether IRIX kernel oplock type definitions are available])
2943 fi
2944
2945 #################################################
2946 # Check for POSIX capability support
2947
2948 AC_CHECK_HEADER(sys/capability.h, [samba_cv_HAVE_SYS_CAPABILITY_H=yes;
2949     AC_DEFINE(HAVE_SYS_CAPABILITY_H, 1, Whether sys/capability.h is present)],
2950     [], [])
2951
2952 if test x"$samba_cv_HAVE_SYS_CAPABILITY_H" = x"yes"; then
2953
2954     ac_save_LIBS=$LIBS
2955     AC_LIBTESTFUNC(cap, cap_get_proc)
2956
2957     AC_CACHE_CHECK([for POSIX capabilities],
2958             samba_cv_HAVE_POSIX_CAPABILITIES,
2959             [
2960                 AC_TRY_RUN([
2961 #include <sys/types.h>
2962 #include <sys/capability.h>
2963 main() {
2964  cap_t cap;
2965  cap_value_t vals[1];
2966  if (!(cap = cap_get_proc()))
2967    exit(1);
2968  vals[0] = CAP_CHOWN;
2969  cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
2970  cap_set_proc(cap);
2971  exit(0);
2972 }],
2973                 samba_cv_HAVE_POSIX_CAPABILITIES=yes,
2974                 samba_cv_HAVE_POSIX_CAPABILITIES=no,
2975                 samba_cv_HAVE_POSIX_CAPABILITIES=cross)
2976             ])
2977
2978 if test x"$samba_cv_HAVE_POSIX_CAPABILITIES" = x"yes"; then
2979     AC_DEFINE(HAVE_POSIX_CAPABILITIES, 1,
2980             [Whether POSIX capabilities are available])
2981 else
2982     LIBS=$ac_save_LIBS
2983 fi
2984
2985 fi
2986
2987 #
2988 # Check for int16, uint16, int32 and uint32 in rpc/types.h included from rpc/rpc.h
2989 # This is *really* broken but some systems (DEC OSF1) do this.... JRA.
2990 #
2991
2992 AC_CACHE_CHECK([for int16 typedef included by rpc/rpc.h],samba_cv_HAVE_INT16_FROM_RPC_RPC_H,[
2993 AC_TRY_COMPILE([#include <sys/types.h>
2994 #if defined(HAVE_RPC_RPC_H)
2995 #include <rpc/rpc.h>
2996 #endif],
2997 [int16 testvar;],
2998 samba_cv_HAVE_INT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT16_FROM_RPC_RPC_H=no)])
2999 if test x"$samba_cv_HAVE_INT16_FROM_RPC_RPC_H" = x"yes"; then
3000     AC_DEFINE(HAVE_INT16_FROM_RPC_RPC_H,1,[Whether int16 typedef is included by rpc/rpc.h])
3001 fi
3002
3003 AC_CACHE_CHECK([for uint16 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT16_FROM_RPC_RPC_H,[
3004 AC_TRY_COMPILE([#include <sys/types.h>
3005 #if defined(HAVE_RPC_RPC_H)
3006 #include <rpc/rpc.h>
3007 #endif],
3008 [uint16 testvar;],
3009 samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT16_FROM_RPC_RPC_H=no)])
3010 if test x"$samba_cv_HAVE_UINT16_FROM_RPC_RPC_H" = x"yes"; then
3011     AC_DEFINE(HAVE_UINT16_FROM_RPC_RPC_H,1,[Whether uint16 typedef is included by rpc/rpc.h])
3012 fi
3013
3014 AC_CACHE_CHECK([for int32 typedef included by rpc/rpc.h],samba_cv_HAVE_INT32_FROM_RPC_RPC_H,[
3015 AC_TRY_COMPILE([#include <sys/types.h>
3016 #if defined(HAVE_RPC_RPC_H)
3017 #include <rpc/rpc.h>
3018 #endif],
3019 [int32 testvar;],
3020 samba_cv_HAVE_INT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_INT32_FROM_RPC_RPC_H=no)])
3021 if test x"$samba_cv_HAVE_INT32_FROM_RPC_RPC_H" = x"yes"; then
3022     AC_DEFINE(HAVE_INT32_FROM_RPC_RPC_H,1,[Whether int32 typedef is included by rpc/rpc.h])
3023 fi
3024
3025 AC_CACHE_CHECK([for uint32 typedef included by rpc/rpc.h],samba_cv_HAVE_UINT32_FROM_RPC_RPC_H,[
3026 AC_TRY_COMPILE([#include <sys/types.h>
3027 #if defined(HAVE_RPC_RPC_H)
3028 #include <rpc/rpc.h>
3029 #endif],
3030 [uint32 testvar;],
3031 samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=yes,samba_cv_HAVE_UINT32_FROM_RPC_RPC_H=no)])
3032 if test x"$samba_cv_HAVE_UINT32_FROM_RPC_RPC_H" = x"yes"; then
3033     AC_DEFINE(HAVE_UINT32_FROM_RPC_RPC_H,1,[Whether uint32 typedef is included by rpc/rpc.h])
3034 fi
3035
3036 dnl
3037 dnl Some systems (SCO) have a problem including
3038 dnl <prot.h> and <rpc/rpc.h> due to AUTH_ERROR being defined
3039 dnl as a #define in <prot.h> and as part of an enum
3040 dnl in <rpc/rpc.h>.
3041 dnl
3042
3043 AC_CACHE_CHECK([for conflicting AUTH_ERROR define in rpc/rpc.h],samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT,[
3044 AC_TRY_COMPILE([#include <sys/types.h>
3045 #ifdef HAVE_SYS_SECURITY_H
3046 #include <sys/security.h>
3047 #include <prot.h>
3048 #endif  /* HAVE_SYS_SECURITY_H */
3049 #if defined(HAVE_RPC_RPC_H)
3050 #include <rpc/rpc.h>
3051 #endif],
3052 [int testvar;],
3053 samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=no,samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT=yes)])
3054 if test x"$samba_cv_HAVE_RPC_AUTH_ERROR_CONFLICT" = x"yes"; then
3055     AC_DEFINE(HAVE_RPC_AUTH_ERROR_CONFLICT,1,[Whether there is a conflicting AUTH_ERROR define in rpc/rpc.h])
3056 fi
3057
3058 AC_MSG_CHECKING([for test routines])
3059 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
3060            AC_MSG_RESULT(yes),
3061            AC_MSG_ERROR([cant find test code. Aborting config]),
3062            AC_MSG_WARN([cannot run when cross-compiling]))
3063
3064 AC_CACHE_CHECK([for ftruncate extend],samba_cv_HAVE_FTRUNCATE_EXTEND,[
3065 AC_TRY_RUN([#include "${srcdir-.}/../tests/ftruncate.c"],
3066            samba_cv_HAVE_FTRUNCATE_EXTEND=yes,samba_cv_HAVE_FTRUNCATE_EXTEND=no,samba_cv_HAVE_FTRUNCATE_EXTEND=cross)])
3067 if test x"$samba_cv_HAVE_FTRUNCATE_EXTEND" = x"yes"; then
3068     AC_DEFINE(HAVE_FTRUNCATE_EXTEND,1,[Truncate extend])
3069 fi
3070
3071 AC_CACHE_CHECK([for broken getgroups],samba_cv_HAVE_BROKEN_GETGROUPS,[
3072 AC_TRY_RUN([#include "${srcdir-.}/../tests/getgroups.c"],
3073            samba_cv_HAVE_BROKEN_GETGROUPS=yes,samba_cv_HAVE_BROKEN_GETGROUPS=no,samba_cv_HAVE_BROKEN_GETGROUPS=cross)])
3074 if test x"$samba_cv_HAVE_BROKEN_GETGROUPS" = x"yes"; then
3075     AC_DEFINE(HAVE_BROKEN_GETGROUPS,1,[Whether getgroups is broken])
3076 fi
3077
3078 SMB_CHECK_SYSCONF(_SC_NGROUPS_MAX)
3079 SMB_CHECK_SYSCONF(_SC_NPROC_ONLN)
3080 SMB_CHECK_SYSCONF(_SC_NPROCESSORS_ONLN)
3081 SMB_CHECK_SYSCONF(_SC_PAGESIZE)
3082 AC_CHECK_FUNCS(getpagesize)
3083
3084 ################################################
3085 # look for a method of setting the effective uid
3086 seteuid=no;
3087
3088 if test $seteuid = no; then
3089 AC_CACHE_CHECK([for setreuid],samba_cv_USE_SETREUID,[
3090 AC_TRY_RUN([
3091 #define AUTOCONF_TEST 1
3092 #define USE_SETREUID 1
3093 #include "confdefs.h"
3094 #include "${srcdir-.}/lib/util_sec.c"],
3095            samba_cv_USE_SETREUID=yes,samba_cv_USE_SETREUID=no,samba_cv_USE_SETREUID=cross)])
3096 if test x"$samba_cv_USE_SETREUID" = x"yes"; then
3097     seteuid=yes;AC_DEFINE(USE_SETREUID,1,[Whether setreuid() is available])
3098 fi
3099 fi
3100
3101 # we check for setresuid second as it conflicts with AIO on Linux. 
3102 # see http://samba.org/~tridge/junkcode/aio_uid.c
3103 if test $seteuid = no; then
3104 AC_CACHE_CHECK([for setresuid],samba_cv_USE_SETRESUID,[
3105 AC_TRY_RUN([
3106 #define AUTOCONF_TEST 1
3107 #define USE_SETRESUID 1
3108 #include "confdefs.h"
3109 #include "${srcdir-.}/lib/util_sec.c"],
3110            samba_cv_USE_SETRESUID=yes,samba_cv_USE_SETRESUID=no,samba_cv_USE_SETRESUID=cross)])
3111 if test x"$samba_cv_USE_SETRESUID" = x"yes"; then
3112     seteuid=yes;AC_DEFINE(USE_SETRESUID,1,[Whether setresuid() is available])
3113 fi
3114 fi
3115
3116 if test $seteuid = no; then
3117 AC_CACHE_CHECK([for seteuid],samba_cv_USE_SETEUID,[
3118 AC_TRY_RUN([
3119 #define AUTOCONF_TEST 1
3120 #define USE_SETEUID 1
3121 #include "confdefs.h"
3122 #include "${srcdir-.}/lib/util_sec.c"],
3123            samba_cv_USE_SETEUID=yes,samba_cv_USE_SETEUID=no,samba_cv_USE_SETEUID=cross)])
3124 if test x"$samba_cv_USE_SETEUID" = x"yes"; then
3125     seteuid=yes;AC_DEFINE(USE_SETEUID,1,[Whether seteuid() is available])
3126 fi
3127 fi
3128
3129 if test $seteuid = no; then
3130 AC_CACHE_CHECK([for setuidx],samba_cv_USE_SETUIDX,[
3131 AC_TRY_RUN([
3132 #define AUTOCONF_TEST 1
3133 #define USE_SETUIDX 1
3134 #include "confdefs.h"
3135 #include "${srcdir-.}/lib/util_sec.c"],
3136            samba_cv_USE_SETUIDX=yes,samba_cv_USE_SETUIDX=no,samba_cv_USE_SETUIDX=cross)])
3137 if test x"$samba_cv_USE_SETUIDX" = x"yes"; then
3138     seteuid=yes;AC_DEFINE(USE_SETUIDX,1,[Whether setuidx() is available])
3139 fi
3140 fi
3141
3142 AC_CACHE_CHECK([for the Darwin initgroups system call],
3143         samba_cv_DARWIN_INITGROUPS,
3144         AC_TRY_LINK([
3145 #include <sys/syscall.h>
3146 #include <unistd.h>
3147         ],
3148         [ syscall(SYS_initgroups, 16, NULL, NULL, 0); ],
3149         samba_cv_DARWIN_INITGROUPS=yes,
3150         samba_cv_DARWIN_INITGROUPS=no)
3151 )
3152
3153 if test x"$samba_cv_DARWIN_INITGROUPS" = x"yes" ; then
3154     AC_DEFINE(HAVE_DARWIN_INITGROUPS, 1,
3155         [Whether to use the Darwin-specific initgroups system call])
3156 fi
3157
3158 AC_CACHE_CHECK([for fcntl locking],samba_cv_HAVE_FCNTL_LOCK,[
3159 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock.c"],
3160            samba_cv_HAVE_FCNTL_LOCK=yes,samba_cv_HAVE_FCNTL_LOCK=no,samba_cv_HAVE_FCNTL_LOCK=cross)])
3161 if test x"$samba_cv_HAVE_FCNTL_LOCK" = x"yes"; then
3162     AC_DEFINE(HAVE_FCNTL_LOCK,1,[Whether fcntl locking is available])
3163 fi
3164
3165 AC_CACHE_CHECK([for broken (glibc2.1/x86) 64 bit fcntl locking],samba_cv_HAVE_BROKEN_FCNTL64_LOCKS,[
3166 AC_TRY_RUN([#include "${srcdir-.}/../tests/fcntl_lock64.c"],
3167            samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=yes,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=no,samba_cv_HAVE_BROKEN_FCNTL64_LOCKS=cross)])
3168 if test x"$samba_cv_HAVE_BROKEN_FCNTL64_LOCKS" = x"yes"; then
3169     AC_DEFINE(HAVE_BROKEN_FCNTL64_LOCKS,1,[Whether fcntl64 locks are broken])
3170
3171 else
3172
3173 dnl
3174 dnl Don't check for 64 bit fcntl locking if we know that the
3175 dnl glibc2.1 broken check has succeeded.
3176 dnl
3177
3178   AC_CACHE_CHECK([for 64 bit fcntl locking],samba_cv_HAVE_STRUCT_FLOCK64,[
3179   AC_TRY_RUN([
3180 #if defined(HAVE_UNISTD_H)
3181 #include <unistd.h>
3182 #endif
3183 #include <stdio.h>
3184 #include <stdlib.h>
3185
3186 #ifdef HAVE_FCNTL_H
3187 #include <fcntl.h>
3188 #endif
3189
3190 #ifdef HAVE_SYS_FCNTL_H
3191 #include <sys/fcntl.h>
3192 #endif
3193 main() { struct flock64 fl64;
3194 #if defined(F_SETLKW64) && defined(F_SETLK64) && defined(F_GETLK64)
3195 exit(0);
3196 #else
3197 exit(1);
3198 #endif
3199 }],
3200        samba_cv_HAVE_STRUCT_FLOCK64=yes,samba_cv_HAVE_STRUCT_FLOCK64=no,samba_cv_HAVE_STRUCT_FLOCK64=cross)])
3201
3202   if test x"$samba_cv_HAVE_STRUCT_FLOCK64" = x"yes"; then
3203       AC_DEFINE(HAVE_STRUCT_FLOCK64,1,[Whether the flock64 struct is available])
3204   fi
3205 fi
3206
3207 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
3208 AC_CACHE_CHECK([for broken posix_fallocate],samba_cv_HAVE_BROKEN_POSIX_FALLOCATE,[
3209 AC_TRY_COMPILE([
3210   #define _XOPEN_SOURCE 600
3211   #include <stdlib.h>
3212   #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
3213     probably broken posix_fallocate
3214   #endif
3215 ], [
3216 ], 
3217 samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=no,samba_cv_HAVE_BROKEN_POSIX_FALLOCATE=yes)])
3218 if test x"$samba_cv_HAVE_BROKEN_POSIX_FALLOCATE" = xyes; then
3219         AC_DEFINE(HAVE_BROKEN_POSIX_FALLOCATE,, Whether we have a broken posix_fallocate)
3220 fi
3221
3222
3223 AC_CACHE_CHECK([for st_blocks in struct stat],samba_cv_HAVE_STAT_ST_BLOCKS,[
3224 AC_TRY_COMPILE([#include <sys/types.h>
3225 #include <sys/stat.h>
3226 #include <unistd.h>],
3227 [struct stat st;  st.st_blocks = 0;],
3228 samba_cv_HAVE_STAT_ST_BLOCKS=yes,samba_cv_HAVE_STAT_ST_BLOCKS=no,samba_cv_HAVE_STAT_ST_BLOCKS=cross)])
3229 if test x"$samba_cv_HAVE_STAT_ST_BLOCKS" = x"yes"; then
3230     AC_DEFINE(HAVE_STAT_ST_BLOCKS,1,[Whether the stat struct has a st_block property])
3231 fi
3232
3233 AC_CHECK_TYPES([blksize_t, blkcnt_t], [], [], [[#include <sys/stat.h>]])
3234
3235 AC_CACHE_CHECK([for st_blksize in struct stat],samba_cv_HAVE_STAT_ST_BLKSIZE,[
3236 AC_TRY_COMPILE([#include <sys/types.h>
3237 #include <sys/stat.h>
3238 #include <unistd.h>],
3239 [struct stat st;  st.st_blksize = 0;],
3240 samba_cv_HAVE_STAT_ST_BLKSIZE=yes,samba_cv_HAVE_STAT_ST_BLKSIZE=no,samba_cv_HAVE_STAT_ST_BLKSIZE=cross)])
3241 if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
3242     AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
3243 fi
3244
3245 AC_CACHE_CHECK([for st_flags in struct stat],
3246         samba_cv_HAVE_STAT_ST_FLAGS,
3247         [
3248             AC_TRY_COMPILE([#include <sys/types.h>
3249 #include <sys/stat.h>
3250 #include <unistd.h>],
3251             [struct stat st;  st.st_flags = 0;],
3252             samba_cv_HAVE_STAT_ST_FLAGS=yes,
3253             samba_cv_HAVE_STAT_ST_FLAGS=no,
3254             samba_cv_HAVE_STAT_ST_FLAGS=cross)
3255         ])
3256
3257 if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
3258     AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
3259                 [Whether the stat struct has a st_flags member])
3260 fi
3261
3262 AC_CACHE_CHECK([for broken nisplus include files],samba_cv_BROKEN_NISPLUS_INCLUDE_FILES,[
3263 AC_TRY_COMPILE([
3264 #include <sys/types.h>
3265 #include <sys/acl.h>
3266 #if defined(HAVE_RPCSVC_NIS_H)
3267 #include <rpcsvc/nis.h>
3268 #endif],
3269 [int i;],
3270 samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=no,samba_cv_BROKEN_NISPLUS_INCLUDE_FILES=yes)])
3271 if test x"$samba_cv_BROKEN_NISPLUS_INCLUDE_FILES" = x"yes"; then
3272         AC_DEFINE(BROKEN_NISPLUS_INCLUDE_FILES,1,[Whether the nisplus include files are broken])
3273 fi
3274
3275 AC_CACHE_CHECK([if the realpath function allows a NULL argument],samba_cv_REALPATH_TAKES_NULL,[
3276 AC_TRY_RUN([
3277 #include <stdio.h>
3278 #include <limits.h>
3279 #include <signal.h>
3280
3281 void exit_on_core(int ignored) {
3282         exit(1);
3283 }
3284
3285 main() {
3286         char *newpath;
3287         signal(SIGSEGV, exit_on_core);
3288         newpath = realpath("/tmp", NULL);
3289         exit((newpath != NULL) ? 0 : 1);
3290 }
3291 ],
3292 samba_cv_REALPATH_TAKES_NULL=yes,samba_cv_REALPATH_TAKES_NULL=no,samba_cv_REALPATH_TAKES_NULL=cross)])
3293 if test x"$samba_cv_REALPATH_TAKES_NULL" = x"yes"; then
3294     AC_DEFINE(REALPATH_TAKES_NULL,1,[Whether the realpath function allows NULL])
3295 fi
3296
3297 #################################################
3298 # check for AFS clear-text auth support
3299 samba_cv_WITH_AFS=no
3300 AC_MSG_CHECKING(whether to use AFS clear-text auth)
3301 AC_ARG_WITH(afs,
3302 [AS_HELP_STRING([--with-afs], [Include AFS clear-text auth support (default=no)])],
3303 [ case "$withval" in
3304   yes|auto)
3305     AC_MSG_RESULT($withval)
3306     samba_cv_WITH_AFS=$withval
3307     ;;
3308   *)
3309     AC_MSG_RESULT(no)
3310     ;;
3311   esac ],
3312   AC_MSG_RESULT(no)
3313 )
3314
3315 ####################################################
3316 # check for Linux-specific AFS fake-kaserver support
3317 samba_cv_WITH_FAKE_KASERVER=no
3318 AC_MSG_CHECKING(whether to use AFS fake-kaserver)
3319 AC_ARG_WITH(fake-kaserver,
3320 [AS_HELP_STRING([--with-fake-kaserver], [Include AFS fake-kaserver support (default=no)])],
3321 [ case "$withval" in
3322   yes|auto)
3323     AC_MSG_RESULT($withval)
3324     samba_cv_WITH_FAKE_KASERVER=$withval
3325     ;;
3326   *)
3327     AC_MSG_RESULT(no)
3328     ;;
3329   esac ],
3330   AC_MSG_RESULT(no)
3331 )
3332
3333 #################################################
3334 # decide whether we can support WITH_AFS and / or WITH_FAKE_KASERVER
3335 if test x"$samba_cv_WITH_AFS" != x"no" ||
3336    test x"$samba_cv_WITH_FAKE_KASERVER" != x"no"; then
3337
3338     # see if this box has the OpenSSL DES libraries
3339     AC_CHECK_LIB( crypto, DES_pcbc_encrypt, LIBS="$LIBS -lcrypto" , [AC_ERROR(OpenSSL library: libcrypto ot found!)] )
3340
3341     # see if this box has the afs-headers in /usr/include/afs
3342     AC_MSG_CHECKING(for /usr/include/afs)
3343     if test -d /usr/include/afs; then
3344           AC_MSG_RESULT(yes)
3345     else
3346       AC_MSG_RESULT(no)
3347     fi
3348
3349     # check for afs.h
3350     have_afs_headers=no
3351     AC_CHECK_HEADERS(afs.h afs/afs.h)
3352     if test x"$ac_cv_header_afs_h" = x"no" && test x"$ac_cv_header_afs_afs_h" = x"no"; then
3353         if test x"$samba_cv_WITH_FAKE_KASERVER" = x"auto" ||
3354            test x"$samba_cv_WITH_AFS" = x"auto"; then
3355                 AC_MSG_WARN([AFS cannot be supported without afs.h])
3356         else
3357                 AC_MSG_ERROR([AFS cannot be supported without afs.h])
3358         fi
3359     else
3360         have_afs_headers=yes
3361     fi
3362 fi
3363
3364 FAKE_KASERVER_OBJ=""
3365 if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
3366     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
3367     FAKE_KASERVER_OBJ="utils/net_afs.o"
3368 fi
3369 AC_SUBST(FAKE_KASERVER_OBJ)
3370
3371 #################################################
3372 # check whether to compile AFS/NT ACL mapping module
3373 samba_cv_WITH_VFS_AFSACL=no
3374 AC_MSG_CHECKING(whether to use AFS ACL mapping module)
3375 AC_ARG_WITH(vfs-afsacl,
3376 [AS_HELP_STRING([--with-vfs-afsacl], [Include AFS to NT ACL mapping module (default=no)])],
3377 [ case "$withval" in
3378   yes|auto)
3379     AC_MSG_RESULT($withval)
3380     samba_cv_WITH_VFS_AFSACL=yes
3381     ;;
3382   *)
3383     AC_MSG_RESULT(no)
3384     ;;
3385   esac ],
3386   AC_MSG_RESULT(no)
3387 )
3388
3389 if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
3390    default_shared_modules="$default_shared_modules vfs_afsacl"
3391 fi
3392         
3393 if test x"$samba_cv_WITH_AFS" != x"no" && test x"$have_afs_headers" = x"yes"; then
3394     AC_DEFINE(WITH_AFS,1,[Whether to include AFS clear-text auth support])
3395 fi
3396
3397 #################################################
3398 # check for the DFS clear-text auth system
3399 AC_MSG_CHECKING(whether to use DFS clear-text auth)
3400 AC_ARG_WITH(dfs,
3401 [AS_HELP_STRING([--with-dce-dfs], [Include DCE/DFS clear-text auth support (default=no)])],
3402 [ case "$withval" in
3403   yes)
3404     AC_MSG_RESULT(yes)
3405     AC_DEFINE(WITH_DFS,1,[Whether to include DFS support])
3406     ;;
3407   *)
3408     AC_MSG_RESULT(no)
3409     ;;
3410   esac ],
3411   AC_MSG_RESULT(no)
3412 )
3413
3414 ########################################################
3415 # Compile with LDAP support?
3416
3417 with_ldap_support=auto
3418 AC_MSG_CHECKING([for LDAP support])
3419
3420 AC_ARG_WITH(ldap,
3421 [AS_HELP_STRING([--with-ldap], [LDAP support (default=auto)])],
3422 [ case "$withval" in
3423     yes|no)
3424         with_ldap_support=$withval
3425         ;;
3426   esac ])
3427
3428 AC_MSG_RESULT($with_ldap_support)
3429
3430 SMBLDAP=""
3431 AC_SUBST(SMBLDAP)
3432
3433 if test x"$with_ldap_support" != x"no"; then
3434