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Clang: Use {C,CXX}FLAG -fbracket-depth=512 for GCC build

Browse Source 
https://llvm.org/bugs/show_bug.cgi?id=19650
https://gcc.gnu.org/ml/gcc/2014-05/msg00014.html

Signed-off-by: Ray Donnelly <mingw.android@gmail.com>
This commit is contained in:
Ray Donnelly 2015-11-22 14:39:23 +00:00
parent f001b0605e
commit b0743fdcda
1 changed files with 13 additions and 0 deletions
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13
scripts/build/cc/100-gcc.sh
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@ -426,6 +426,12 @@ do_gcc_core_backend() {
CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
# 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
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="${CT_BUILD}-gcc" \
@ -916,6 +922,13 @@ do_gcc_backend() {
CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
# https://gcc.gnu.org/ml/gcc/2014-05/msg00014.html
# "gcc 4.9.0 do not build on OSX" .. because Clang's default
# bracket-depth is 256
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
cflags="$cflags "-fbracket-depth=512
fi
CT_DoExecLog CFG \
CC_FOR_BUILD="${CT_BUILD}-gcc" \
CFLAGS="${cflags}" \