Index: llvm-toolchain-snapshot_3.4~svn184290/clang/tools/libclang/Makefile
===================================================================
--- llvm-toolchain-snapshot_3.4~svn184290.orig/clang/tools/libclang/Makefile	2013-06-19 11:13:54.270779471 +0200
+++ llvm-toolchain-snapshot_3.4~svn184290/clang/tools/libclang/Makefile	2013-06-19 11:13:54.266779456 +0200
@@ -14,6 +14,7 @@
 
 LINK_LIBS_IN_SHARED = 1
 SHARED_LIBRARY = 1
+SONAME_MAJOR=1
 
 include $(CLANG_LEVEL)/../../Makefile.config
 LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
@@ -30,7 +31,7 @@
 
 # Add soname to the library.
 ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux FreeBSD GNU))
-        LDFLAGS += -Wl,-soname,lib$(LIBRARYNAME)$(SHLIBEXT)
+        LDFLAGS += -Wl,-soname,lib$(LIBRARYNAME)$(SHLIBEXT).$(SONAME_MAJOR)
 endif
 
 ##===----------------------------------------------------------------------===##