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crossgcc: Fix building with clang++ in the presence of gcc 

Some environments (<grumble>cros_sdk</grumble>) provide gcc as $CC and
clang++ as $CXX. The latter needs the higher bracket-depth while the
former has no idea what it means, so tell CC and CXX individually.

Change-Id: I72b75fb9bb5df3a9b1561ee8821ec43ada29b24f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/20365
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi 2017-06-26 07:21:46 +02:00 committed by Patrick Georgi
parent 98409cff92
commit a7a5a56370
1 changed files with 9 additions and 4 deletions
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13
util/crossgcc/buildgcc
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@ -645,7 +645,9 @@ bootstrap_GCC() {
build_cross_GCC() {
# Work around crazy code generator in GCC that confuses CLANG.
$CC --version | grep clang >/dev/null 2>&1 && \
HOSTCFLAGS="$HOSTCFLAGS -fbracket-depth=1024"
CLANGFLAGS="-fbracket-depth=1024"
$CXX --version | grep clang >/dev/null 2>&1 && \
CLANGCXXFLAGS="-fbracket-depth=1024"
# GCC does not honor HOSTCFLAGS at all. CFLAGS are used for
# both target and host object files.
@ -655,9 +657,12 @@ build_cross_GCC() {
# Also set the CXX version of the flags because GCC is now compiled
# using C++.
CC="$(hostcc target)" CXX="$(hostcxx target)" \
CFLAGS_FOR_TARGET="-O2 -Dinhibit_libc" CFLAGS="$HOSTCFLAGS" \
CFLAGS_FOR_BUILD="$HOSTCFLAGS" CXXFLAGS="$HOSTCFLAGS" \
CXXFLAGS_FOR_BUILD="$HOSTCFLAGS" ../gcc-${GCC_VERSION}/configure \
CFLAGS_FOR_TARGET="-O2 -Dinhibit_libc"
CFLAGS="$HOSTCFLAGS $CLANGFLAGS" \
CFLAGS_FOR_BUILD="$HOSTCFLAGS $CLANGFLAGS" \
CXXFLAGS="$HOSTCFLAGS $CLANGCXXFLAGS" \
CXXFLAGS_FOR_BUILD="$HOSTCFLAGS $CLANGCXXFLAGS" \
../gcc-${GCC_VERSION}/configure \
--prefix=$TARGETDIR --libexecdir=$TARGETDIR/lib \
--target=${TARGETARCH} --disable-werror --disable-shared \
--enable-lto --enable-plugins --enable-gold --enable-ld=default \