reverting change to compatibility_version
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@141445 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/buildit b/lib/buildit
index d6e6afc..d78bd3d 100755
--- a/lib/buildit
+++ b/lib/buildit
@@ -71,7 +71,7 @@
LDSHARED_FLAGS="-o libc++.1.dylib \
-dynamiclib -nodefaultlibs \
-current_version ${RC_ProjectSourceVersion} \
- -compatibility_version ${RC_ProjectSourceVersion} \
+ -compatibility_version 1 \
-install_name /usr/lib/libc++.1.dylib \
-lSystem \
-Wl,-unexported_symbols_list,libc++unexp.exp \