Add a version script so as to create the right versioned symbols for
libpthread.so.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@249 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/Makefile.am b/coregrind/Makefile.am
index e6e58a8..2b6d3e1 100644
--- a/coregrind/Makefile.am
+++ b/coregrind/Makefile.am
@@ -95,7 +95,8 @@
 
 libpthread.so$(EXEEXT): $(libpthread_so_OBJECTS)
 	$(CC) -Wall -Werror -g -O -shared -fpic -o libpthread.so \
-		$(libpthread_so_OBJECTS)
+		$(libpthread_so_OBJECTS) \
+		-Wl,-version-script vg_libpthread.vs
 
 install-exec-hook:
 	$(mkinstalldirs) $(DESTDIR)$(valdir)