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buildgcc: Fix up cross GCC building 

Add a missing line-break escape and, rather cosmetic, guard execution of
$CXX which we allow but don't force to be set.

Change-Id: Icf6d3b7de4b7999b8214489f28997964c490d1e9
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/21307
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Nico Huber 2017-08-31 23:11:18 +02:00 committed by Martin Roth
parent d9ccb4e5f8
commit 3f12d9321a
1 changed files with 2 additions and 2 deletions
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4
util/crossgcc/buildgcc
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@ -659,7 +659,7 @@ build_cross_GCC() {
# Work around crazy code generator in GCC that confuses CLANG.
$CC --version | grep clang >/dev/null 2>&1 && \
CLANGFLAGS="-fbracket-depth=1024"
$CXX --version | grep clang >/dev/null 2>&1 && \
[ -n "$CXX" ] && $CXX --version | grep clang >/dev/null 2>&1 && \
CLANGCXXFLAGS="-fbracket-depth=1024"
# GCC does not honor HOSTCFLAGS at all. CFLAGS are used for
@ -670,7 +670,7 @@ build_cross_GCC() {
# Also set the CXX version of the flags because GCC is now compiled
# using C++.
CC="$(hostcc target)" CXX="$(hostcxx target)" \
CFLAGS_FOR_TARGET="-O2 -Dinhibit_libc"
CFLAGS_FOR_TARGET="-O2 -Dinhibit_libc" \
CFLAGS="$HOSTCFLAGS $CLANGFLAGS" \
CFLAGS_FOR_BUILD="$HOSTCFLAGS $CLANGFLAGS" \
CXXFLAGS="$HOSTCFLAGS $CLANGCXXFLAGS" \