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Instead of forcing -O1 on PowerPC for LLVM and clang, fix the actual

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problem by adding -fno-strict-aliasing to CFLAGS. Since this is a global
issue that just happened to manifest on PowerPC, add this to CFLAGS
unconditionally.

MFC after:	1 week
This commit is contained in:
Nathan Whitehorn 2012-01-01 15:56:15 +00:00
parent af8b177113
commit 3f922e14a3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=229169
1 changed files with 2 additions and 4 deletions
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6
lib/clang/clang.build.mk
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@ -8,10 +8,8 @@ CFLAGS+=-I${LLVM_SRCS}/include -I${CLANG_SRCS}/include \
-DLLVM_ON_UNIX -DLLVM_ON_FREEBSD \
-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS #-DNDEBUG
# Correct for gcc miscompilation when compiling on PPC with -O2
.if ${MACHINE_CPUARCH} == "powerpc"
CFLAGS+= -O1
.endif
# LLVM is not strict aliasing safe as of 12/31/2011
CFLAGS+= -fno-strict-aliasing
TARGET_ARCH?= ${MACHINE_ARCH}
CFLAGS+=-DLLVM_HOSTTRIPLE=\"${TARGET_ARCH:C/amd64/x86_64/}-unknown-freebsd10.0\"