Add a REQUIRES_FRAME_POINTER option to disable the frame pointer
elimination optimization on the LLVM code base.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79477 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.rules b/Makefile.rules
index 8cc6558..5556684 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -337,6 +337,12 @@
CXX.Flags += -fno-exceptions
endif
+ifdef REQUIRES_FRAME_POINTER
+ CXX.Flags := $(filter-out -fomit-frame-pointer,$(CXX.Flags))
+ C.Flags := $(filter-out -fomit-frame-pointer,$(C.Flags))
+ LD.Flags := $(filter-out -fomit-frame-pointer,$(LD.Flags))
+endif
+
# IF REQUIRES_RTTI=1 is specified then don't disable run-time type id
ifndef REQUIRES_RTTI
# CXX.Flags += -fno-rtti