crossgcc: Add clang support
Add a new option -C|--clang to buildgcc to build a clang based
toolchain as opposed to a gcc based toolchain. This toolchain
comes with the required patches needed to successfully build
coreboot, and also with clang's famous scan-build script.
Change-Id: I1aea7cd6002edc4f3bb2b46dc1f69a212ad18f77
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10415
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 45ee3c1..3f08261 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -22,8 +22,8 @@
cd `dirname $0`
-CROSSGCC_DATE="June 3th, 2015"
-CROSSGCC_VERSION="1.28"
+CROSSGCC_DATE="June 4th, 2015"
+CROSSGCC_VERSION="1.29"
# default settings
TARGETDIR=`pwd`/xgcc
@@ -42,6 +42,8 @@
IASL_VERSION=20150204
PYTHON_VERSION=3.4.3
EXPAT_VERSION=2.1.0
+# CLANG version number
+CLANG_VERSION=3.6.1
# GCC toolchain archive locations
GMP_ARCHIVE="http://ftpmirror.gnu.org/gmp/gmp-${GMP_VERSION}a.tar.bz2"
@@ -54,6 +56,11 @@
IASL_ARCHIVE="https://acpica.org/sites/acpica/files/acpica-unix-${IASL_VERSION}.tar.gz"
PYTHON_ARCHIVE="http://www.python.org/ftp/python/${PYTHON_VERSION}/Python-${PYTHON_VERSION}.tar.xz"
EXPAT_ARCHIVE="http://downloads.sourceforge.net/sourceforge/expat/expat-${EXPAT_VERSION}.tar.gz"
+# CLANG toolchain archive locations
+LLVM_ARCHIVE="http://llvm.org/releases/${CLANG_VERSION}/llvm-${CLANG_VERSION}.src.tar.xz"
+CFE_ARCHIVE="http://llvm.org/releases/${CLANG_VERSION}/cfe-${CLANG_VERSION}.src.tar.xz"
+CRT_ARCHIVE="http://llvm.org/releases/${CLANG_VERSION}/compiler-rt-${CLANG_VERSION}.src.tar.xz"
+CTE_ARCHIVE="http://llvm.org/releases/${CLANG_VERSION}/clang-tools-extra-${CLANG_VERSION}.src.tar.xz"
# GCC toolchain directories
GMP_DIR="gmp-${GMP_VERSION}"
@@ -66,10 +73,16 @@
IASL_DIR="acpica-unix-${IASL_VERSION}"
PYTHON_DIR="Python-${PYTHON_VERSION}"
EXPAT_DIR="expat-${EXPAT_VERSION}"
+# CLANG toolchain directories
+LLVM_DIR="llvm-${CLANG_VERSION}.src"
+CFE_DIR="cfe-${CLANG_VERSION}.src"
+CRT_DIR="compiler-rt-${CLANG_VERSION}.src"
+CTE_DIR="clang-tools-extra-${CLANG_VERSION}.src"
unset MAKELEVEL MAKEFLAGS
SAVETEMPS=0
+BUILDCLANG=0
SKIPGDB=1
SKIPPYTHON=1
@@ -154,6 +167,7 @@
TAR=`searchtool tar` || exit $?
PATCH=`searchtool patch` || exit $?
MAKE=`searchtool make` || exit $?
+CMAKE=`searchtool cmake "cmake"` || exit $?
SHA1SUM=`searchtool sha1sum`
SHA512SUM=`searchtool sha512sum`
CHECKSUM=$SHA1SUM
@@ -244,12 +258,15 @@
rm -rf ${PYTHON_DIR} ${BUILDDIRPREFIX}-python
rm -rf ${IASL_DIR}
+ # CLANG
+ rm -rf ${LLVM_DIR} ${CFE_DIR} ${CRT_DIR} ${CTE_DIR} ${BUILDDIR}
+
printf "${green}ok${NC}\n"
}
myhelp()
{
- printf "Usage: $0 [-V] [-c] [-p <platform>] [-d <target directory>] [-D <dest dir>] [-G] [-S]\n"
+ printf "Usage: $0 [-V] [-c] [-p <platform>] [-d <target directory>] [-D <dest dir>] [-C] [-G] [-S]\n"
printf " $0 [-V|--version]\n"
printf " $0 [-h|--help]\n\n"
@@ -260,14 +277,16 @@
printf " [-t|--savetemps] don't remove temporary files after build\n"
printf " [-y|--ccache] Use ccache when building cross compiler\n"
printf " [-j|--jobs <num>] run <num> jobs in parallel in make\n"
+ printf " [-C|--clang] build CLANG toolchain"
printf " [-p|--platform <platform>] target platform to build cross compiler for\n"
- printf " (defaults to $TARGETARCH)\n"
+ printf " (defaults to $TARGETARCH) *)\n"
printf " [-d|--directory <target dir>] target directory to install cross compiler to\n"
printf " (defaults to $TARGETDIR)\n\n"
printf " [-D|--destdir <dest dir>] destination directory to install cross compiler to\n"
printf " (for RPM builds, default unset)\n"
- printf " [-G|--gdb] build GNU debugger\n"
- printf " [-S|--scripting] build scripting support for GDB\n\n"
+ printf " [-G|--gdb] build GNU debugger *)\n"
+ printf " [-S|--scripting] build scripting support for GDB *)\n\n"
+ printf " *) option only available when building GCC toolchain (not with CLANG)\n\n"
}
myversion()
@@ -300,11 +319,11 @@
getoptbrand="`getopt -V | sed -e '1!d' -e 's,^\(......\).*,\1,'`"
if [ "${getoptbrand}" = "getopt" ]; then
# Detected GNU getopt that supports long options.
- args=`getopt -l version,help,clean,directory:,platform:,jobs:,destdir:,savetemps,skip-gdb,ccache Vhcd:p:j:D:tGy -- "$@"`
+ args=`getopt -l version,help,clean,directory:,platform:,jobs:,destdir:,savetemps,skip-gdb,ccache,clang Vhcd:p:j:D:tGyC -- "$@"`
eval set "$args"
else
# Detected non-GNU getopt
- args=`getopt Vhcd:p:j:D:tGy $*`
+ args=`getopt Vhcd:p:j:D:tGyC $*`
set -- $args
fi
@@ -323,6 +342,7 @@
-p|--platform) shift; TARGETARCH="$1"; shift;;
-D|--destdir) shift; DESTDIR="$1"; shift;;
-j|--jobs) shift; JOBS="-j $1"; shift;;
+ -C|--clang) shift; BUILDCLANG=1;;
-G|--gdb) shift; SKIPGDB=0;;
-S|--scripting) shift; SKIPPYTHON=0;;
-y|--ccache) shift; USECCACHE=1;;
@@ -345,11 +365,17 @@
*) printf "${red}WARNING: Unsupported architecture $TARGETARCH.${NC}\n\n"; ;;
esac
-echo "Target arch is now $TARGETARCH"
+if [ "$BUILDCLANG" -eq 0 ]; then
+echo "Target architecture is now $TARGETARCH"
NAME="${TARGETARCH} cross"
PACKAGES="GMP MPFR MPC LIBELF BINUTILS GCC IASL"
+else
+NAME=clang
+PACKAGES="LLVM CFE CRT CTE"
+fi
BUILDDIRPREFIX=build-${TARGETARCH}
+BUILDDIR=$PWD/build-clang
if [ "$clean" = "1" ]; then
cleanup
@@ -386,6 +412,7 @@
done
printf "Unpacked and patched ... ${green}ok${NC}\n"
+if [[ "$PACKAGES" == *GCC* ]]; then
CC=cc
if [ $UNAME = "Darwin" ]; then
#GCC_OPTIONS="$GCC_OPTIONS --enable-threads=posix"
@@ -408,6 +435,7 @@
CC=llvm-gcc
fi
fi
+fi # GCC
if [ "$USECCACHE" = 1 ]; then
CC="ccache $CC"
@@ -415,6 +443,7 @@
mkdir -p ${BUILDDIRPREFIX}-gmp ${BUILDDIRPREFIX}-mpfr ${BUILDDIRPREFIX}-mpc ${BUILDDIRPREFIX}-libelf ${BUILDDIRPREFIX}-binutils \
${BUILDDIRPREFIX}-gcc ${BUILDDIRPREFIX}-python ${BUILDDIRPREFIX}-expat ${BUILDDIRPREFIX}-gdb
+mkdir -p ${BUILDDIR}
mkdir -p $DESTDIR$TARGETDIR/bin
export PATH=$DESTDIR$TARGETDIR/bin:$PATH
@@ -666,6 +695,32 @@
) 2>&1 | wait_for_build "$IASL_DIR/source/compiler" || exit 1
fi
+[[ "$PACKAGES" == *CLANG* ]] && \
+if [ -f ${BUILDDIR}/.success ]; then
+ printf "Skipping CLANG as it is already built\n"
+else
+ printf "Building CLANG ${CLANG_VERSION} ... "
+(
+ ln -sf $PWD/$CFE_DIR $LLVM_DIR/tools/clang
+ ln -sf $PWD/$CTE_DIR $LLVM_DIR/tools/clang/tools/extra
+ ln -sf $PWD/$CRT_DIR $LLVM_DIR/projects/compiler-rt
+
+ cd ${BUILDDIR}
+
+ $CMAKE -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=$DESTDIR$TARGETDIR \
+ -DCMAKE_BUILD_TYPE=Release ../$LLVM_DIR || touch .failed
+ $MAKE $JOBS || touch .failed
+ $MAKE install || touch .failed
+
+ cd -
+
+ cp -a $CFE_DIR/tools/scan-build/* $DESTDIR$TARGETDIR/bin
+ cp -a $CFE_DIR/tools/scan-view/* $DESTDIR$TARGETDIR/bin
+
+ if [ ! -f .failed ]; then touch .success; fi
+) 2>&1 | wait_for_build "${BUILDDIR}" || exit 1
+fi
+
# Adding git information of current tree to target directory
# for reproducibility
PROGNAME=`basename "$0"`