201 lines · bash
1#!/bin/bash2#3# Compiles and installs a Linux/x86_64 -> Linux/ARM crosstool based on LLVM and4# LLVM-GCC-4.2 using SVN snapshots in provided tarballs.5 6set -o nounset7set -o errexit8 9echo -n "Welcome to LLVM Linux/X86_64 -> Linux/ARM crosstool "10echo "builder/installer; some steps will require sudo privileges."11 12readonly INSTALL_ROOT="${INSTALL_ROOT:-/usr/local/crosstool}"13# Both $USER and root *must* have read/write access to this dir.14readonly SCRATCH_ROOT=$(mktemp -d "${TMPDIR:-/tmp}/llvm-project.XXXXXX")15readonly SRC_ROOT="${SCRATCH_ROOT}/src"16readonly OBJ_ROOT="${SCRATCH_ROOT}/obj"17 18readonly CROSS_HOST="x86_64-unknown-linux-gnu"19readonly CROSS_TARGET="arm-none-linux-gnueabi"20readonly CROSS_MARCH="${CROSS_MARCH:-armv6}"21 22readonly CODE_SOURCERY="${INSTALL_ROOT}/codesourcery"23readonly CODE_SOURCERY_PKG_PATH="${CODE_SOURCERY_PKG_PATH:-${HOME}/codesourcery}"24readonly CODE_SOURCERY_HTTP="http://www.codesourcery.com/sgpp/lite/arm/portal/package1787/public"25readonly CODE_SOURCERY_PKG="arm-2007q3-51-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2"26readonly CODE_SOURCERY_ROOT="${CODE_SOURCERY}/arm-2007q3"27readonly CODE_SOURCERY_BIN="${CODE_SOURCERY_ROOT}/bin"28# Make sure ${CROSS_TARGET}-* binutils are in command path29export PATH="${CODE_SOURCERY_BIN}:${PATH}"30 31readonly CROSS_TARGET_AS="${CODE_SOURCERY_BIN}/${CROSS_TARGET}-as"32readonly CROSS_TARGET_LD="${CODE_SOURCERY_BIN}/${CROSS_TARGET}-ld"33 34readonly SYSROOT="${CODE_SOURCERY_ROOT}/${CROSS_TARGET}/libc"35 36readonly LLVM_PKG_PATH="${LLVM_PKG_PATH:-${HOME}/llvm-project/snapshots}"37 38# Latest SVN revisions known to be working in this configuration.39readonly LLVM_DEFAULT_REV="74530"40readonly LLVMGCC_DEFAULT_REV="74535"41 42readonly LLVM_PKG="llvm-${LLVM_SVN_REV:-${LLVM_DEFAULT_REV}}.tar.bz2"43readonly LLVM_SRC_DIR="${SRC_ROOT}/llvm"44readonly LLVM_OBJ_DIR="${OBJ_ROOT}/llvm"45readonly LLVM_INSTALL_DIR="${INSTALL_ROOT}/${CROSS_TARGET}/llvm"46 47readonly LLVMGCC_PKG="llvm-gcc-4.2-${LLVMGCC_SVN_REV:-${LLVMGCC_DEFAULT_REV}}.tar.bz2"48readonly LLVMGCC_SRC_DIR="${SRC_ROOT}/llvm-gcc-4.2"49readonly LLVMGCC_OBJ_DIR="${OBJ_ROOT}/llvm-gcc-4.2"50readonly LLVMGCC_INSTALL_DIR="${INSTALL_ROOT}/${CROSS_TARGET}/llvm-gcc-4.2"51 52readonly MAKE_OPTS="${MAKE_OPTS:--j2}"53 54# Params:55# $1: directory to be created56# $2: optional mkdir command prefix, e.g. "sudo"57createDir() {58 if [[ ! -e $1 ]]; then59 ${2:-} mkdir -p $160 elif [[ -e $1 && ! -d $1 ]]; then61 echo "$1 exists but is not a directory; exiting."62 exit 363 fi64}65 66sudoCreateDir() {67 createDir $1 sudo68 sudo chown ${USER} $169}70 71# Prints out and runs the command, but without logging -- intended for use with72# lightweight commands that don't have useful output to parse, e.g. mkdir, tar,73# etc.74runCommand() {75 local message="$1"76 shift77 echo "=> $message"78 echo "==> Running: $*"79 $*80}81 82runAndLog() {83 local message="$1"84 local log_file="$2"85 shift 286 echo "=> $message; log in $log_file"87 echo "==> Running: $*"88 # Pop-up a terminal with the output of the current command?89 # e.g.: xterm -e /bin/bash -c "$* >| tee $log_file"90 $* &> $log_file91 if [[ $? != 0 ]]; then92 echo "Error occurred: see most recent log file for details."93 exit94 fi95}96 97installCodeSourcery() {98 # Unpack the tarball, creating the CodeSourcery dir, if necessary.99 if [[ ! -d ${CODE_SOURCERY_ROOT} ]]; then100 sudoCreateDir ${CODE_SOURCERY}101 cd ${CODE_SOURCERY}102 if [[ -e ${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG} ]]; then103 runCommand "Unpacking CodeSourcery in ${CODE_SOURCERY}" \104 tar jxf ${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG}105 else106 echo -n "CodeSourcery tarball not found in "107 echo "${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG}"108 echo -n "Fix the path or download it from "109 echo "${CODE_SOURCERY_HTTP}/${CROSS_TARGET}/${CODE_SOURCERY_PKG}"110 exit111 fi112 else113 echo "CodeSourcery install dir already exists; skipping."114 fi115 116 # Verify our CodeSourcery toolchain installation.117 if [[ ! -d "${SYSROOT}" ]]; then118 echo -n "Error: CodeSourcery does not contain libc for ${CROSS_TARGET}: "119 echo "${SYSROOT} not found."120 exit121 fi122 123 for tool in ${CROSS_TARGET_AS} ${CROSS_TARGET_LD}; do124 if [[ ! -e $tool ]]; then125 echo "${tool} not found; exiting."126 exit127 fi128 done129}130 131installLLVM() {132 if [[ -d ${LLVM_INSTALL_DIR} ]]; then133 echo "LLVM install dir ${LLVM_INSTALL_DIR} exists; skipping."134 return135 fi136 137 sudoCreateDir ${LLVM_INSTALL_DIR}138 139 # Unpack LLVM tarball; should create the directory "llvm".140 cd ${SRC_ROOT}141 runCommand "Unpacking LLVM" tar jxf ${LLVM_PKG_PATH}/${LLVM_PKG}142 143 # Configure, build, and install LLVM.144 createDir ${LLVM_OBJ_DIR}145 cd ${LLVM_OBJ_DIR}146 runAndLog "Configuring LLVM" ${LLVM_OBJ_DIR}/llvm-configure.log \147 ${LLVM_SRC_DIR}/configure \148 --disable-jit \149 --enable-optimized \150 --prefix=${LLVM_INSTALL_DIR} \151 --target=${CROSS_TARGET} \152 --with-llvmgccdir=${LLVMGCC_INSTALL_DIR}153 runAndLog "Building LLVM" ${LLVM_OBJ_DIR}/llvm-build.log \154 make ${MAKE_OPTS}155 runAndLog "Installing LLVM" ${LLVM_OBJ_DIR}/llvm-install.log \156 make ${MAKE_OPTS} install157}158 159installLLVMGCC() {160 if [[ -d ${LLVMGCC_INSTALL_DIR} ]]; then161 echo "LLVM-GCC install dir ${LLVMGCC_INSTALL_DIR} exists; skipping."162 return163 fi164 165 sudoCreateDir ${LLVMGCC_INSTALL_DIR}166 167 # Unpack LLVM-GCC tarball; should create the directory "llvm-gcc-4.2".168 cd ${SRC_ROOT}169 runCommand "Unpacking LLVM-GCC" tar jxf ${LLVM_PKG_PATH}/${LLVMGCC_PKG}170 171 # Configure, build, and install LLVM-GCC.172 createDir ${LLVMGCC_OBJ_DIR}173 cd ${LLVMGCC_OBJ_DIR}174 runAndLog "Configuring LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-configure.log \175 ${LLVMGCC_SRC_DIR}/configure \176 --enable-languages=c,c++ \177 --enable-llvm=${LLVM_INSTALL_DIR} \178 --prefix=${LLVMGCC_INSTALL_DIR} \179 --program-prefix=llvm- \180 --target=${CROSS_TARGET} \181 --with-arch=${CROSS_MARCH} \182 --with-as=${CROSS_TARGET_AS} \183 --with-ld=${CROSS_TARGET_LD} \184 --with-sysroot=${SYSROOT}185 runAndLog "Building LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-build.log \186 make187 runAndLog "Installing LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-install.log \188 make install189}190 191echo "Building in ${SCRATCH_ROOT}; installing in ${INSTALL_ROOT}"192 193createDir ${SRC_ROOT}194createDir ${OBJ_ROOT}195 196installCodeSourcery197installLLVM198installLLVMGCC199 200echo "Done."201