Add revision information.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67220 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Makefile b/lib/Driver/Makefile
index 4aeba9f..c6a31b0 100644
--- a/lib/Driver/Makefile
+++ b/lib/Driver/Makefile
@@ -12,7 +12,15 @@
BUILD_ARCHIVE = 1
CXXFLAGS = -fno-rtti
-CPPFLAGS += -I$(PROJ_SRC_DIR)/../../include -I$(PROJ_OBJ_DIR)/../../include -DTARGET_TRIPLE='"$(TARGET_TRIPLE)"'
+SVN_REVISION = $(shell cd $(PROJ_SRC_DIR)/../.. && svnversion)
+
+CPPFLAGS += -I$(PROJ_SRC_DIR)/../../include -I$(PROJ_OBJ_DIR)/../../include -DTARGET_TRIPLE='"$(TARGET_TRIPLE)"' -DSVN_REVISION='"$(SVN_REVISION)"'
include $(LEVEL)/Makefile.common
+.ver:
+ @if [ '$(SVN_REVISION)' != '$(shell cat .ver-svn 2>/dev/null)' ]; then \
+ echo '$(SVN_REVISION)' > .ver-svn; \
+ fi
+.ver-svn: .ver
+$(ObjDir)/Driver.o: .ver-svn