diff options
| -rw-r--r-- | Makefile.rules | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Makefile.rules b/Makefile.rules index a8af0b7e73..e6c266af7f 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -229,10 +229,12 @@ endif CPP.Defines := # OPTIMIZE_OPTION - The optimization level option we want to build LLVM with # this can be overridden on the make command line. -ifneq ($(OS),MingW) - OPTIMIZE_OPTION := -O3 -else +# Avoid -O3 on Darwin, there are unresolved issues with +# -fstrict-aliasing and ipa-type-escape radr://6756684 +ifeq ($(OS), $(filter $(OS), MingW Darwin)) OPTIMIZE_OPTION := -O2 +else + OPTIMIZE_OPTION := -O3 endif ifdef ENABLE_PROFILING |