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-rw-r--r--Makefile.rules16
1 files changed, 10 insertions, 6 deletions
diff --git a/Makefile.rules b/Makefile.rules
index c4148be9db..ac4a6fd66e 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -198,11 +198,15 @@ install-bytecode:: install-bytecode-local
# Variables derived from configuration we are building
#--------------------------------------------------------------------
+# OPTIMIZE_OPTION - The optimization level option we want to build LLVM with
+# this can be overridden on the make command line.
+OPTIMIZE_OPTION := -O3
+
ifdef ENABLE_PROFILING
BuildMode := Profile
- CXX.Flags := -O3 -pg
- C.Flags := -O3 -pg
- LD.Flags := -O3 -pg
+ CXX.Flags := $(OPTIMIZE_OPTION) -pg
+ C.Flags := $(OPTIMIZE_OPTION) -pg
+ LD.Flags := $(OPTIMIZE_OPTION) -pg
else
ifdef ENABLE_OPTIMIZED
BuildMode := Release
@@ -213,9 +217,9 @@ else
OmitFramePointer := -fomit-frame-pointer
endif
endif
- CXX.Flags := -O3 $(OmitFramePointer)
- C.Flags := -O3 $(OmitFramePointer)
- LD.Flags := -O3
+ CXX.Flags := $(OPTIMIZE_OPTION) $(OmitFramePointer)
+ C.Flags := $(OPTIMIZE_OPTION) $(OmitFramePointer)
+ LD.Flags := $(OPTIMIZE_OPTION)
else
BuildMode := Debug
CXX.Flags := -g