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Imported Upstream version 5.18.0.167
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#!/bin/bash
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#
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# Compiles and installs a Linux/x86_64 -> Linux/ARM crosstool based on LLVM and
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# LLVM-GCC-4.2 using SVN snapshots in provided tarballs.
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set -o nounset
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set -o errexit
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echo -n "Welcome to LLVM Linux/X86_64 -> Linux/ARM crosstool "
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echo "builder/installer; some steps will require sudo privileges."
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readonly INSTALL_ROOT="${INSTALL_ROOT:-/usr/local/crosstool}"
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# Both $USER and root *must* have read/write access to this dir.
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readonly SCRATCH_ROOT=$(mktemp -d "${TMPDIR:-/tmp}/llvm-project.XXXXXX")
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readonly SRC_ROOT="${SCRATCH_ROOT}/src"
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readonly OBJ_ROOT="${SCRATCH_ROOT}/obj"
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readonly CROSS_HOST="x86_64-unknown-linux-gnu"
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readonly CROSS_TARGET="arm-none-linux-gnueabi"
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readonly CROSS_MARCH="${CROSS_MARCH:-armv6}"
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readonly CODE_SOURCERY="${INSTALL_ROOT}/codesourcery"
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readonly CODE_SOURCERY_PKG_PATH="${CODE_SOURCERY_PKG_PATH:-${HOME}/codesourcery}"
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readonly CODE_SOURCERY_HTTP="http://www.codesourcery.com/sgpp/lite/arm/portal/package1787/public"
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readonly CODE_SOURCERY_PKG="arm-2007q3-51-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2"
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readonly CODE_SOURCERY_ROOT="${CODE_SOURCERY}/arm-2007q3"
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readonly CODE_SOURCERY_BIN="${CODE_SOURCERY_ROOT}/bin"
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# Make sure ${CROSS_TARGET}-* binutils are in command path
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export PATH="${CODE_SOURCERY_BIN}:${PATH}"
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readonly CROSS_TARGET_AS="${CODE_SOURCERY_BIN}/${CROSS_TARGET}-as"
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readonly CROSS_TARGET_LD="${CODE_SOURCERY_BIN}/${CROSS_TARGET}-ld"
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readonly SYSROOT="${CODE_SOURCERY_ROOT}/${CROSS_TARGET}/libc"
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readonly LLVM_PKG_PATH="${LLVM_PKG_PATH:-${HOME}/llvm-project/snapshots}"
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# Latest SVN revisions known to be working in this configuration.
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readonly LLVM_DEFAULT_REV="74530"
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readonly LLVMGCC_DEFAULT_REV="74535"
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readonly LLVM_PKG="llvm-${LLVM_SVN_REV:-${LLVM_DEFAULT_REV}}.tar.bz2"
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readonly LLVM_SRC_DIR="${SRC_ROOT}/llvm"
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readonly LLVM_OBJ_DIR="${OBJ_ROOT}/llvm"
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readonly LLVM_INSTALL_DIR="${INSTALL_ROOT}/${CROSS_TARGET}/llvm"
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readonly LLVMGCC_PKG="llvm-gcc-4.2-${LLVMGCC_SVN_REV:-${LLVMGCC_DEFAULT_REV}}.tar.bz2"
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readonly LLVMGCC_SRC_DIR="${SRC_ROOT}/llvm-gcc-4.2"
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readonly LLVMGCC_OBJ_DIR="${OBJ_ROOT}/llvm-gcc-4.2"
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readonly LLVMGCC_INSTALL_DIR="${INSTALL_ROOT}/${CROSS_TARGET}/llvm-gcc-4.2"
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readonly MAKE_OPTS="${MAKE_OPTS:--j2}"
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# Params:
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# $1: directory to be created
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# $2: optional mkdir command prefix, e.g. "sudo"
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createDir() {
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if [[ ! -e $1 ]]; then
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${2:-} mkdir -p $1
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elif [[ -e $1 && ! -d $1 ]]; then
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echo "$1 exists but is not a directory; exiting."
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exit 3
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fi
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}
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sudoCreateDir() {
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createDir $1 sudo
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sudo chown ${USER} $1
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}
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# Prints out and runs the command, but without logging -- intended for use with
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# lightweight commands that don't have useful output to parse, e.g. mkdir, tar,
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# etc.
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runCommand() {
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local message="$1"
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shift
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echo "=> $message"
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echo "==> Running: $*"
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$*
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}
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runAndLog() {
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local message="$1"
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local log_file="$2"
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shift 2
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echo "=> $message; log in $log_file"
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echo "==> Running: $*"
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# Pop-up a terminal with the output of the current command?
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# e.g.: xterm -e /bin/bash -c "$* >| tee $log_file"
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$* &> $log_file
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if [[ $? != 0 ]]; then
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echo "Error occurred: see most recent log file for details."
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exit
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fi
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}
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installCodeSourcery() {
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# Unpack the tarball, creating the CodeSourcery dir, if necessary.
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if [[ ! -d ${CODE_SOURCERY_ROOT} ]]; then
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sudoCreateDir ${CODE_SOURCERY}
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cd ${CODE_SOURCERY}
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if [[ -e ${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG} ]]; then
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runCommand "Unpacking CodeSourcery in ${CODE_SOURCERY}" \
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tar jxf ${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG}
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else
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echo -n "CodeSourcery tarball not found in "
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echo "${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG}"
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echo -n "Fix the path or download it from "
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echo "${CODE_SOURCERY_HTTP}/${CROSS_TARGET}/${CODE_SOURCERY_PKG}"
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exit
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fi
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else
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echo "CodeSourcery install dir already exists; skipping."
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fi
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# Verify our CodeSourcery toolchain installation.
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if [[ ! -d "${SYSROOT}" ]]; then
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echo -n "Error: CodeSourcery does not contain libc for ${CROSS_TARGET}: "
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echo "${SYSROOT} not found."
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exit
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fi
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for tool in ${CROSS_TARGET_AS} ${CROSS_TARGET_LD}; do
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if [[ ! -e $tool ]]; then
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echo "${tool} not found; exiting."
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exit
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fi
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done
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}
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installLLVM() {
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if [[ -d ${LLVM_INSTALL_DIR} ]]; then
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echo "LLVM install dir ${LLVM_INSTALL_DIR} exists; skipping."
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return
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fi
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sudoCreateDir ${LLVM_INSTALL_DIR}
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# Unpack LLVM tarball; should create the directory "llvm".
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cd ${SRC_ROOT}
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runCommand "Unpacking LLVM" tar jxf ${LLVM_PKG_PATH}/${LLVM_PKG}
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# Configure, build, and install LLVM.
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createDir ${LLVM_OBJ_DIR}
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cd ${LLVM_OBJ_DIR}
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runAndLog "Configuring LLVM" ${LLVM_OBJ_DIR}/llvm-configure.log \
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${LLVM_SRC_DIR}/configure \
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--disable-jit \
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--enable-optimized \
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--prefix=${LLVM_INSTALL_DIR} \
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--target=${CROSS_TARGET} \
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--with-llvmgccdir=${LLVMGCC_INSTALL_DIR}
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runAndLog "Building LLVM" ${LLVM_OBJ_DIR}/llvm-build.log \
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make ${MAKE_OPTS}
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runAndLog "Installing LLVM" ${LLVM_OBJ_DIR}/llvm-install.log \
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make ${MAKE_OPTS} install
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}
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installLLVMGCC() {
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if [[ -d ${LLVMGCC_INSTALL_DIR} ]]; then
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echo "LLVM-GCC install dir ${LLVMGCC_INSTALL_DIR} exists; skipping."
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return
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fi
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sudoCreateDir ${LLVMGCC_INSTALL_DIR}
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# Unpack LLVM-GCC tarball; should create the directory "llvm-gcc-4.2".
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cd ${SRC_ROOT}
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runCommand "Unpacking LLVM-GCC" tar jxf ${LLVM_PKG_PATH}/${LLVMGCC_PKG}
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# Configure, build, and install LLVM-GCC.
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createDir ${LLVMGCC_OBJ_DIR}
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cd ${LLVMGCC_OBJ_DIR}
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runAndLog "Configuring LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-configure.log \
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${LLVMGCC_SRC_DIR}/configure \
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--enable-languages=c,c++ \
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--enable-llvm=${LLVM_INSTALL_DIR} \
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--prefix=${LLVMGCC_INSTALL_DIR} \
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--program-prefix=llvm- \
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--target=${CROSS_TARGET} \
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--with-arch=${CROSS_MARCH} \
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--with-as=${CROSS_TARGET_AS} \
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--with-ld=${CROSS_TARGET_LD} \
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--with-sysroot=${SYSROOT}
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runAndLog "Building LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-build.log \
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make
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runAndLog "Installing LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-install.log \
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make install
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}
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echo "Building in ${SCRATCH_ROOT}; installing in ${INSTALL_ROOT}"
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createDir ${SRC_ROOT}
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createDir ${OBJ_ROOT}
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installCodeSourcery
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installLLVM
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installLLVMGCC
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echo "Done."
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