r2894: Certain versions of GNU ld the default is not to have the

--allow-shlib-undefined flag defined.  This causes a stackload of
warnings when building modules.

Fix by Michel Gravey which closes bugzilla #1776.
(This used to be commit ad53c555131634ba29deea448e4fd184e78e8d4a)

diff --git a/source3/configure.in b/source3/configure.in
index 4c0f5396bd9b8bb59f56ba896beac4296b58f14e..6356e1d1c3deb27d964317adf4380fcaae4a4d70 100644 (file)
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -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
 
@@ -1129,7 +1144,11 @@ 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 -Wl,-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="