* On platforms where it's possible, use -Wl,-z,defs option so that the linker

    reports undefined symbols at buildtime, rather than aborting at runtime.

CVS patchset: 8456
CVS date: 2006/12/25 19:46:04

2 files changed, 12 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index c03f37501..f44c9f506 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -30,6 +30,8 @@ xine-lib (1.1.4)
     [bug #1445746]
   * Make the libFLAC-based decoder and demuxer for FLAC files work with recent
     FLAC release 1.1.3.
+  * On platforms where it's possible, use "-Wl,-z,defs" option so that the linker
+    reports undefined symbols at buildtime, rather than aborting at runtime.
 
 xine-lib (1.1.3)
   * Security fixes:
diff --git a/configure.ac b/configure.ac
index 7bc82a351..a8f5c43b8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2409,6 +2409,16 @@ AC_TRY_CFLAGS("-Wstrict-aliasing", wsa="-Wstrict-aliasing")
 AC_TRY_CFLAGS("-Wstrict-aliasing=2", wsa="-Wstrict-aliasing=2")
 CFLAGS="$CFLAGS $wsa"
 
+case $host_or_hostalias in
+     dnl FreeBSD (et al.) does not complete linking for shared objects when pthreads
+     dnl are requested, as different implementations are present; to avoid problems
+     dnl use -Wl,-z,defs only for those platform not behaving this way.
+     *-freebsd*) ;;
+     *)
+	AC_TRY_LDFLAGS([-Wl,-z,defs], [LDFLAGS="$LDFLAGS -Wl,-z,defs"])
+	;;
+esac
+
 dnl Common cflags for all platforms
 CFLAGS="-DNDEBUG -D_REENTRANT -D_FILE_OFFSET_BITS=64 -DXINE_COMPILE \$(MULTIPASS_CFLAGS) $CFLAGS"
 DEBUG_CFLAGS="-D_REENTRANT -D_FILE_OFFSET_BITS=64 -DXINE_COMPILE $DEBUG_CFLAGS"