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Only add clang-specific flags to clang

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I.e., only to CFLAGS_FOR_BUILD if the build is canadian.

Signed-off-by: Alexey Neyman <stilor@att.net>
This commit is contained in:
Alexey Neyman 2017-03-06 18:41:57 -08:00
parent 6cdf0df01b
commit b3b94e4807
1 changed files with 32 additions and 4 deletions
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36
scripts/build/cc/100-gcc.sh
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@ -340,6 +340,7 @@ do_gcc_core_backend() {
local complibs
local lang_list
local cflags
local cflags_for_build
local ldflags
local build_step
local log_txt
@ -579,17 +580,30 @@ do_gcc_core_backend() {
CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
# We may need to modify host/build CFLAGS separately below
cflags_for_build="${cflags}"
# Clang's default bracket-depth is 256, and building GCC
# requires somewhere between 257 and 512.
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
cflags="$cflags "-fbracket-depth=512
if [ "${host}" = "${CT_BUILD}" ]; then
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
cflags="$cflags "-fbracket-depth=512
cflags_for_build="$cflags_for_build "-fbracket-depth=512
fi
else
# FIXME we currently don't support clang as host compiler, only as build
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
cflags_for_build="$cflags_for_build "-fbracket-depth=512
fi
fi
# Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
CT_DoExecLog CFG \
CC_FOR_BUILD="${CT_BUILD}-gcc" \
CFLAGS="${cflags}" \
CFLAGS_FOR_BUILD="${cflags_for_build}" \
CXXFLAGS="${cflags}" \
CXXFLAGS_FOR_BUILD="${cflags_for_build}" \
LDFLAGS="${core_LDFLAGS[*]}" \
CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
@ -867,6 +881,7 @@ do_gcc_backend() {
local complibs
local lang_list
local cflags
local cflags_for_build
local ldflags
local build_manuals
local -a host_libstdcxx_flags
@ -1102,16 +1117,29 @@ do_gcc_backend() {
CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
# We may need to modify host/build CFLAGS separately below
cflags_for_build="${cflags}"
# Clang's default bracket-depth is 256, and building GCC
# requires somewhere between 257 and 512.
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
cflags="$cflags "-fbracket-depth=512
if [ "${host}" = "${CT_BUILD}" ]; then
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
cflags="$cflags "-fbracket-depth=512
cflags_for_build="$cflags_for_build "-fbracket-depth=512
fi
else
# FIXME we currently don't support clang as host compiler, only as build
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
cflags_for_build="$cflags_for_build "-fbracket-depth=512
fi
fi
CT_DoExecLog CFG \
CC_FOR_BUILD="${CT_BUILD}-gcc" \
CFLAGS="${cflags}" \
CFLAGS_FOR_BUILD="${cflags_for_build}" \
CXXFLAGS="${cflags}" \
CXXFLAGS_FOR_BUILD="${cflags_for_build}" \
LDFLAGS="${final_LDFLAGS[*]}" \
CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \