Support: Inject LLVM_VERSION_INFO into the Support library

Mimic r116632 in passing LLVM_VERSION_INFO from the Makefile build
system to the build. This improves the -version output of tools that
use llvm::cl under the configure+make system.

llvm-svn: 211091

diff --git a/llvm/lib/Support/Makefile b/llvm/lib/Support/Makefile
index 4a2185d..39426aa 100644 (file)
--- a/llvm/lib/Support/Makefile
+++ b/llvm/lib/Support/Makefile
@@ -17,3 +17,7 @@ include $(LEVEL)/Makefile.common
 
 CompileCommonOpts := $(filter-out -pedantic,$(CompileCommonOpts))
 CompileCommonOpts := $(filter-out -Wno-long-long,$(CompileCommonOpts))
+
+ifdef LLVM_VERSION_INFO
+CompileCommonOpts += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"'
+endif