Author: ed
Date: Mon Jun 14 06:23:47 2010
New Revision: 209153
URL: http://svn.freebsd.org/changeset/base/209153
Log:
Unbreak Clang on PowerPC.
It seems GCC 4.2.1 on PowerPC miscompiles Clang, causing it to crash
when building even simple Hello World applications. Switch back to -O1
for this architecture.
Submitted by: nwhitehorn
Modified:
head/lib/clang/clang.build.mk
Modified: head/lib/clang/clang.build.mk
==============================================================================
--- head/lib/clang/clang.build.mk Mon Jun 14 02:56:45 2010
(r209152)
+++ head/lib/clang/clang.build.mk Mon Jun 14 06:23:47 2010
(r209153)
@@ -8,11 +8,16 @@ CFLAGS+=-I${LLVM_SRCS}/include -I${CLANG
-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_ARCH} == "powerpc"
+CFLAGS+= -O1
+.endif
+
TARGET_ARCH?= ${MACHINE_ARCH}
# XXX: 8.0, to keep __FreeBSD_cc_version happy
CFLAGS+=-DLLVM_HOSTTRIPLE=\"${TARGET_ARCH}-undermydesk-freebsd9.0\" \
-DCLANG_VENDOR=\"FreeBSD\ \" -DSVN_REVISION=\"104832\" \
- -DCLANG_VENDOR_SUFFIX=\"\ 20100613\"
+ -DCLANG_VENDOR_SUFFIX=\"\ 20100614\"
.PATH: ${LLVM_SRCS}/${SRCDIR}
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