Also turn off -fuse-linker-plugin for postdep_objects computation.

* libltdl/m4/libtool.m4 (_LT_SYS_HIDDEN_LIBDEPS): Add
-fno-use-linker-plugin to temporary compile flags if necessary,
to fix C++ postdep_objects setting with -flto
-fuse-linker-plugin.
* NEWS, THANKS: Update.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

ChangeLog

@@ -1,3 +1,12 @@
+2010-12-20  Brice De Bruyne  <bricedb@gmail.com>  (tiny change)
+
+	Also turn off -fuse-linker-plugin for postdep_objects computation.
+	* libltdl/m4/libtool.m4 (_LT_SYS_HIDDEN_LIBDEPS): Add
+	-fno-use-linker-plugin to temporary compile flags if necessary,
+	to fix C++ postdep_objects setting with -flto
+	-fuse-linker-plugin.
+	* NEWS, THANKS: Update.
+
 2010-12-20  KO Myung-Hun  <komh@chollian.net>  (tiny change)
 
 	Set command line length limit for OS/2.

NEWS

@@ -15,6 +15,8 @@ New in 2.4.2 2010-12-??: git version 2.4.1a, Libtool team:
   - The bug that leaked developer tool paths into the release tarballs
     from ./bootstrap is fixed.
   - Improved support for the Cuda Compiler Driver (nvcc) on Darwin.
+  - For GCC LTO support, the -fuse-linker-plugin switch is now also removed
+    when computing compiler postdeps.
 
 * Important incompatible changes:
 

THANKS

@@ -77,6 +77,7 @@
   Brent Leback			brent.leback@st.com
   Brian Barrett			brbarret@osl.iu.edu
   Bruno Haible			haible@ilog.fr
+  Brice De Bruyne		bricedb@gmail.com
   Camilo La Rota		camilo.larota@ens-lyon.fr
   Carl D. Roth			roth@cse.ucsc.edu
   Chris Demetriou		cgd@google.com

libltdl/m4/libtool.m4

@@ -6922,6 +6922,7 @@ _lt_libdeps_save_CFLAGS=$CFLAGS
 case "$CC $CFLAGS " in #(
 *\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
 *\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
+*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
 esac
 
 dnl Parse the compiler output and extract the necessary