r3120: Fix bug #1955 reported by Love <lha@stacken.kth.se>. Inconsistent error return.
[sfrench/samba-autobuild/.git] / source / configure.in
index 4329665ba1a1a0421fddadfdd8587fcca0cc15e4..6a36fbcdea79eac90cda113d5bdc2f57bae36943 100644 (file)
@@ -288,6 +288,21 @@ dnl Check if we use GNU ld
 LD=ld
 AC_PROG_LD_GNU
 
+dnl Certain versions of GNU ld the default is not to have the 
+dnl --allow-shlib-undefined flag defined.  This causes a stackload of
+dnl warnings when building modules.
+if test "$ac_cv_prog_gnu_ld" = "yes"; then
+       ac_cv_gnu_ld_version=`$LD -v 2>/dev/null | head -1`
+       AC_MSG_CHECKING(GNU ld release date)
+       changequote(,)dnl
+       ac_cv_gnu_ld_date=`echo $ac_cv_gnu_ld_version | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
+       changequote([,])dnl
+       AC_MSG_RESULT(${ac_cv_gnu_ld_date})
+       if test "$ac_cv_gnu_ld_date" -lt 20030217; then
+               ac_cv_gnu_ld_no_default_allow_shlib_undefined=yes
+       fi
+fi
+
 dnl needed before AC_TRY_COMPILE
 AC_ISC_POSIX
 
@@ -414,7 +429,6 @@ case "$host_os" in
                                AC_DEFINE(_MAX_ALIGNMENT, 4, [Maximum alignment])
                                ;;
       esac
-      DYNEXP="-Wl,-E"
       ;;
 
 #
@@ -457,17 +471,20 @@ case "$host_os" in
                                rm -fr conftest.c
                                case "$ac_cv_gcc_compiler_version_number" in
                                        *"gcc version 2.6"*|*"gcc version 2.7"*)
-                                               CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
+                                               CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE -D_REENTRANT"
+                                               LDFLAGS="$LDFLAGS -lthread"
                                                AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
                                                ;;
                                        *)
-                                               CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
+                                               CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_REENTRANT -D_FILE_OFFSET_BITS=64"
+                                               LDFLAGS="$LDFLAGS -lthread"
                                                AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
                                                AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
                                                ;;
                                esac
                        else
-                               CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
+                               CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE -D_REENTRANT -D_FILE_OFFSET_BITS=64"
+                               LDFLAGS="$LDFLAGS -lthread"
                                AC_DEFINE(_LARGEFILE64_SOURCE, 1, [Whether to enable large file support])
                                AC_DEFINE(_FILE_OFFSET_BITS, 64, [File offset bits])
                        fi
@@ -480,7 +497,7 @@ case "$host_os" in
        *irix*)
                AC_DEFINE(SYSV, 1, [Whether to enable System V compatibility])
                ;;
-       *freebsd*)
+       *freebsd*|*DragonFly*)
                AC_DEFINE(FREEBSD, 1, [Whether the host os is FreeBSD])
                ;;
 #
@@ -716,7 +733,7 @@ if test x$enable_cups != xno; then
                CFLAGS="$CFLAGS `$CUPS_CONFIG --cflags`"
                LDFLAGS="$LDFLAGS `$CUPS_CONFIG --ldflags`"
                PRINT_LIBS="$PRINT_LIBS `$CUPS_CONFIG --libs`"
-       elif test x"$enable_cups" == x"yes"; then
+       elif test x"$enable_cups" = x"yes"; then
                AC_MSG_ERROR(Cups support required but cups-config not located.  Make sure cups-devel related files are installed.)
         fi
 fi
@@ -959,7 +976,7 @@ if test x"$ac_cv_func_execl" = x"no"; then
 fi
 
 AC_CHECK_FUNCS(dlopen dlclose dlsym dlerror waitpid getcwd strdup strndup strnlen strtoul strerror chown fchown chmod fchmod chroot link mknod mknod64)
-AC_CHECK_FUNCS(fstat strchr utime utimes getrlimit fsync bzero memset strlcpy strlcat setpgid)
+AC_CHECK_FUNCS(fstat strchr utime utimes getrlimit fsync memset strlcpy strlcat setpgid)
 AC_CHECK_FUNCS(memmove vsnprintf snprintf asprintf vasprintf setsid glob strpbrk pipe crypt16 getauthuid)
 AC_CHECK_FUNCS(strftime sigprocmask sigblock sigaction sigset innetgr setnetgrent getnetgrent endnetgrent)
 AC_CHECK_FUNCS(initgroups select poll rdchk getgrnam getgrent pathconf realpath)
@@ -1130,7 +1147,11 @@ if test "$enable_shared" = "yes"; then
   case "$host_os" in
                *linux*)   AC_DEFINE(LINUX,1,[Whether the host os is linux])
                        BLDSHARED="true"
-                       LDSHFLAGS="-shared -Bsymbolic" 
+                       if test "${ac_cv_gnu_ld_no_default_allow_shlib_undefined}" = "yes"; then
+                               LDSHFLAGS="-shared -Wl,-Bsymbolic -Wl,--allow-shlib-undefined" 
+                       else
+                               LDSHFLAGS="-shared -Wl,-Bsymbolic" 
+                       fi
                        DYNEXP="-Wl,--export-dynamic"
                        PICFLAGS="-fPIC"
                        SONAMEFLAG="-Wl,-soname="
@@ -1163,7 +1184,8 @@ if test "$enable_shared" = "yes"; then
                        AC_DEFINE(STAT_ST_BLOCKSIZE,512)
                        AC_DEFINE(BROKEN_GETGRNAM,1,[Does getgrnam work correctly])
                        ;;
-               *netbsd* | *freebsd*)  BLDSHARED="true"
+               *netbsd* | *freebsd* | *DragonFly* )  
+                       BLDSHARED="true"
                        LDSHFLAGS="-shared"
                        DYNEXP="-Wl,--export-dynamic"
                        SONAMEFLAG="-Wl,-soname,"
@@ -1214,9 +1236,9 @@ if test "$enable_shared" = "yes"; then
                        # Use special PIC flags for the native HP-UX compiler.
                        if test $ac_cv_prog_cc_Ae = yes; then
                                BLDSHARED="true"
-                               SHLD="/usr/bin/ld"
-                               LDSHFLAGS="-B symbolic -b -z"
-                               SONAMEFLAG="+h "
+                               SHLD="cc"
+                               LDSHFLAGS="-b -Wl,-B,symbolic,-b,-z"
+                               SONAMEFLAG="-Wl,+h "
                                PICFLAGS="+z"
                        elif test "${GCC}" = "yes"; then
                                PICFLAGS="-fPIC"
@@ -1301,13 +1323,14 @@ fi
 if test $BLDSHARED = true; then
 AC_CACHE_CHECK([whether building shared libraries actually works], 
                [ac_cv_shlib_works],[
-   ac_cv_shlib_works=no
    # try building a trivial shared library
+   ac_cv_shlib_works=no
+   # The $SHLD and $LDSHFLAGS variables may contain references to other
+   # variables so they need to be eval'ed.
    $CC $CPPFLAGS $CFLAGS $PICFLAGS -c -o \
        shlib.$PICSUFFIX ${srcdir-.}/tests/shlib.c && \
-       $CC $CPPFLAGS $CFLAGS `eval echo $LDSHFLAGS` -o "shlib.$SHLIBEXT" \
-       shlib.$PICSUFFIX && \
-       ac_cv_shlib_works=yes
+   `eval echo $SHLD` `eval echo $LDSHFLAGS` -o "shlib.$SHLIBEXT" \
+        shlib.$PICSUFFIX && ac_cv_shlib_works=yes
    rm -f "shlib.$SHLIBEXT" shlib.$PICSUFFIX
 ])
 if test $ac_cv_shlib_works = no; then
@@ -2420,7 +2443,7 @@ if test x"$samba_cv_WITH_AFS" != x"no" ||
     fi
 fi
 
-if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" == x"yes"; then
+if test x"$samba_cv_WITH_FAKE_KASERVER" != x"no" && test x"$have_afs_headers" = x"yes"; then
     AC_DEFINE(WITH_FAKE_KASERVER,1,[Whether to include AFS fake-kaserver support])
 fi
 
@@ -2442,7 +2465,7 @@ AC_ARG_WITH(vfs-afsacl,
   AC_MSG_RESULT(no)
 )
 
-if test x"$samba_cv_WITH_VFS_AFSACL" == x"yes"; then
+if test x"$samba_cv_WITH_VFS_AFSACL" = x"yes"; then
    default_shared_modules="$default_shared_modules vfs_afsacl"
 fi
        
@@ -4006,7 +4029,7 @@ samba_cv_HAVE_BROKEN_LINUX_SENDFILE=yes,samba_cv_HAVE_BROKEN_LINUX_SENDFILE=no)]
        fi
 
        ;;
-       *freebsd*)
+       *freebsd* | *DragonFly* )
                AC_CACHE_CHECK([for freebsd sendfile support],samba_cv_HAVE_SENDFILE,[
                AC_TRY_LINK([\
 #include <sys/types.h>
@@ -4235,7 +4258,7 @@ AC_SUBST(WINBIND_NSS_LDSHFLAGS)
 AC_SUBST(WINBIND_NSS_EXTRA_OBJS)
 AC_SUBST(WINBIND_NSS_EXTRA_LIBS)
 
-# Check the setting of --with-winbindd
+# Check the setting of --with-winbind
 
 AC_ARG_WITH(winbind,
 [  --with-winbind          Build winbind (default, if supported by OS)],
@@ -4290,6 +4313,14 @@ AC_CHECK_MEMBER(struct passwd.pw_age,
                AC_DEFINE(HAVE_PASSWD_PW_AGE, 1, [Defined if struct passwd has pw_age field]),,
                [#include <pwd.h>])
 
+# AIX 4.3.x and 5.1 do not have as many members in
+# struct secmethod_table as AIX 5.2
+AC_CHECK_MEMBERS([struct secmethod_table.method_attrlist], , ,
+       [#include <usersec.h>])
+AC_CHECK_MEMBERS([struct secmethod_table.method_version], , ,
+       [#include <usersec.h>])
+
+
 #################################################
 # Check to see if we should use the included popt