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| author | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2016-04-03 20:52:01 -0700 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2016-04-06 19:27:16 +0200 |
| commit | 45f77b81a49de76cb723ca4c5af7d89a97e67016 (patch) | |
| tree | 507a0c277117f3dd5a2a3a1d89114fae73a9f7a2 | |
| parent | a4fbc385e0910510b0e46007a51c8d48609e88a8 (diff) | |
| download | coreboot-45f77b81a49de76cb723ca4c5af7d89a97e67016.tar.xz | |
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>
| -rwxr-xr-x | util/crossgcc/buildgcc | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc index 525b574b3b..96e4c193eb 100755 --- a/util/crossgcc/buildgcc +++ b/util/crossgcc/buildgcc @@ -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 \ |