GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

crossgcc: Fix compilation on Clang systems 

Most cross compilers fail to compile on systems with Clang being the
default compiler (OS X and some BSDs). Clang dislikes some of GCC's
autogenerated code. We also missed switching CFLAGS to CXXFLAGS when GCC
switched to C++ compilation per default.

Change-Id: I87caa1a15982c431048aa79748ea7ef655a9a3a1
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/14232
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Stefan Reinauer 2016-04-03 20:52:01 -07:00
parent a4fbc385e0
commit 45f77b81a4
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
util/crossgcc/buildgcc
View File

@ -18,8 +18,8 @@
cd $(dirname $0)
CROSSGCC_DATE="March 21st, 2016"
CROSSGCC_VERSION="1.37"
CROSSGCC_DATE="April 3rd, 2016"
CROSSGCC_VERSION="1.38"
# default settings
PACKAGE=GCC
@ -453,13 +453,20 @@ build_BINUTILS() {
build_GCC() {
# Work around crazy code generator in GCC that confuses CLANG.
$CC --version | grep clang &>/dev/null &&
HOSTCFLAGS="$HOSTCFLAGS -fbracket-depth=1024"
# GCC does not honor HOSTCFLAGS at all. CFLAGS are used for
# both target and host object files.
# There's a work-around called CFLAGS_FOR_BUILD and CFLAGS_FOR_TARGET
# but it does not seem to work properly. At least the host library
# libiberty is not compiled with CFLAGS_FOR_BUILD.
# Also set the CXX version of the flags because GCC is now compiled
# using C++.
CC="$CC" CFLAGS_FOR_TARGET="-O2 -Dinhibit_libc" CFLAGS="$HOSTCFLAGS" \
CFLAGS_FOR_BUILD="$HOSTCFLAGS" ../gcc-${GCC_VERSION}/configure \
CFLAGS_FOR_BUILD="$HOSTCFLAGS" CXXFLAGS="$HOSTCFLAGS" \
CXXFLAGS_FOR_BUILD="$HOSTCFLAGS" ../gcc-${GCC_VERSION}/configure \
--prefix=$TARGETDIR --libexecdir=$TARGETDIR/lib \
--target=${TARGETARCH} --disable-werror --disable-shared \
--enable-lto --enable-plugins --enable-gold --enable-ld=default \