--- /dev/null
+#!/bin/bash
+#
+# Compiles and installs a Linux/x86_64 -> Linux/ARM crosstool based on LLVM and
+# LLVM-GCC-4.2 using SVN snapshots in provided tarballs.
+
+set -o nounset
+set -o errexit
+
+echo -n "Welcome to LLVM Linux/X86_64 -> Linux/ARM crosstool "
+echo "builder/installer; some steps will require sudo privileges."
+
+readonly INSTALL_ROOT="${INSTALL_ROOT:-/usr/local}"
+# Both $USER and root *must* have read/write access to this dir.
+readonly SCRATCH_ROOT=$(mktemp -d "${TMPDIR:-/tmp}/llvm-project.XXXXXX")
+readonly SRC_ROOT="${SCRATCH_ROOT}/src"
+readonly OBJ_ROOT="${SCRATCH_ROOT}/obj"
+
+readonly CROSS_HOST="x86_64-unknown-linux-gnu"
+readonly CROSS_TARGET="arm-none-linux-gnueabi"
+
+readonly CODE_SOURCERY="${INSTALL_ROOT}/codesourcery"
+readonly CODE_SOURCERY_PKG_PATH="${CODE_SOURCERY_PKG_PATH:-${HOME}/codesourcery}"
+readonly CODE_SOURCERY_PKG="arm-2007q3-51-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2"
+readonly CODE_SOURCERY_ROOT="${CODE_SOURCERY}/arm-2007q3"
+readonly CODE_SOURCERY_BIN="${CODE_SOURCERY_ROOT}/bin"
+# Make sure ${CROSS_TARGET}-* binutils are in command path
+export PATH="${CODE_SOURCERY_BIN}:${PATH}"
+
+readonly CROSS_TARGET_AS="${CODE_SOURCERY_BIN}/${CROSS_TARGET}-as"
+readonly CROSS_TARGET_LD="${CODE_SOURCERY_BIN}/${CROSS_TARGET}-ld"
+
+readonly SYSROOT="${CODE_SOURCERY_ROOT}/${CROSS_TARGET}/libc"
+
+readonly LLVM_PROJECT="${INSTALL_ROOT}/llvm-project"
+readonly LLVM_INSTALL_ROOT="${LLVM_PROJECT}/${CROSS_HOST}/${CROSS_TARGET}"
+readonly LLVM_PKG_PATH="${LLVM_PKG_PATH:-${HOME}/llvm-project/snapshots}"
+
+# Latest SVN revision known to be working in this configuration.
+readonly LLVM_DEFAULT_REV="70786"
+
+readonly LLVM_PKG="llvm-${LLVM_SVN_REV:-${LLVM_DEFAULT_REV}}.tar.bz2"
+readonly LLVM_SRC_DIR="${SRC_ROOT}/llvm"
+readonly LLVM_OBJ_DIR="${OBJ_ROOT}/llvm"
+readonly LLVM_INSTALL_DIR="${LLVM_INSTALL_ROOT}/llvm"
+
+readonly LLVMGCC_PKG="llvm-gcc-4.2-${LLVMGCC_SVN_REV:-${LLVM_DEFAULT_REV}}.tar.bz2"
+readonly LLVMGCC_SRC_DIR="${SRC_ROOT}/llvm-gcc-4.2"
+readonly LLVMGCC_OBJ_DIR="${OBJ_ROOT}/llvm-gcc-4.2"
+readonly LLVMGCC_INSTALL_DIR="${LLVM_INSTALL_ROOT}/llvm-gcc-4.2"
+
+readonly MAKE_OPTS="-j2"
+
+# Verify we aren't going to install into an existing directory as this might
+# create problems as we won't have a clean install.
+verifyNotDir() {
+ if [[ -d $1 ]]; then
+ echo "Install dir $1 already exists; remove it to continue."
+ exit
+ fi
+}
+
+# Params:
+# $1: directory to be created
+# $2: optional mkdir command prefix, e.g. "sudo"
+createDir() {
+ if [[ ! -e $1 ]]; then
+ ${2:-} mkdir -p $1
+ elif [[ -e $1 && ! -d $1 ]]; then
+ echo "$1 exists but is not a directory; exiting."
+ exit 3
+ fi
+}
+
+sudoCreateDir() {
+ createDir $1 sudo
+ sudo chown ${USER} $1
+}
+
+# Prints out and runs the command, but without logging -- intended for use with
+# lightweight commands that don't have useful output to parse, e.g. mkdir, tar,
+# etc.
+runCommand() {
+ local message="$1"
+ shift
+ echo "=> $message"
+ echo "==> Running: $*"
+ $*
+}
+
+runAndLog() {
+ local message="$1"
+ local log_file="$2"
+ shift 2
+ echo "=> $message; log in $log_file"
+ echo "==> Running: $*"
+ # Pop-up a terminal with the output of the current command?
+ # e.g.: xterm -e /bin/bash -c "$* >| tee $log_file"
+ $* &> $log_file
+ if [[ $? != 0 ]]; then
+ echo "Error occurred: see most recent log file for details."
+ exit
+ fi
+}
+
+installCodeSourcery() {
+ # Create CodeSourcery dir, if necessary.
+ verifyNotDir ${CODE_SOURCERY}
+ sudoCreateDir ${CODE_SOURCERY}
+
+ # Unpack the tarball.
+ if [[ ! -d ${CODE_SOURCERY_ROOT} ]]; then
+ cd ${CODE_SOURCERY}
+ runCommand "Unpacking CodeSourcery in ${CODE_SOURCERY}" \
+ tar jxf ${CODE_SOURCERY_PKG_PATH}/${CODE_SOURCERY_PKG}
+ else
+ echo "CodeSourcery install dir already exists."
+ fi
+
+ # Verify our CodeSourcery toolchain installation.
+ if [[ ! -d "${SYSROOT}" ]]; then
+ echo -n "Error: CodeSourcery does not contain libc for ${CROSS_TARGET}: "
+ echo "${SYSROOT} not found."
+ exit
+ fi
+
+ for tool in ${CROSS_TARGET_AS} ${CROSS_TARGET_LD}; do
+ if [[ ! -e $tool ]]; then
+ echo "${tool} not found; exiting."
+ exit
+ fi
+ done
+}
+
+installLLVM() {
+ verifyNotDir ${LLVM_INSTALL_DIR}
+ sudoCreateDir ${LLVM_INSTALL_DIR}
+
+ # Unpack LLVM tarball; should create the directory "llvm".
+ cd ${SRC_ROOT}
+ runCommand "Unpacking LLVM" tar jxf ${LLVM_PKG_PATH}/${LLVM_PKG}
+
+ # Configure, build, and install LLVM.
+ createDir ${LLVM_OBJ_DIR}
+ cd ${LLVM_OBJ_DIR}
+ runAndLog "Configuring LLVM" ${LLVM_OBJ_DIR}/llvm-configure.log \
+ ${LLVM_SRC_DIR}/configure \
+ --disable-jit \
+ --enable-optimized \
+ --prefix=${LLVM_INSTALL_DIR} \
+ --target=${CROSS_TARGET} \
+ --with-llvmgccdir=${LLVMGCC_INSTALL_DIR}
+ runAndLog "Building LLVM" ${LLVM_OBJ_DIR}/llvm-build.log \
+ make ${MAKE_OPTS}
+ runAndLog "Installing LLVM" ${LLVM_OBJ_DIR}/llvm-install.log \
+ make ${MAKE_OPTS} install
+}
+
+installLLVMGCC() {
+ verifyNotDir ${LLVMGCC_INSTALL_DIR}
+ sudoCreateDir ${LLVMGCC_INSTALL_DIR}
+
+ # Unpack LLVM-GCC tarball; should create the directory "llvm-gcc-4.2".
+ cd ${SRC_ROOT}
+ runCommand "Unpacking LLVM-GCC" tar jxf ${LLVM_PKG_PATH}/${LLVMGCC_PKG}
+
+ # Configure, build, and install LLVM-GCC.
+ createDir ${LLVMGCC_OBJ_DIR}
+ cd ${LLVMGCC_OBJ_DIR}
+ runAndLog "Configuring LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-configure.log \
+ ${LLVMGCC_SRC_DIR}/configure \
+ --enable-languages=c,c++ \
+ --enable-llvm=${LLVM_INSTALL_DIR} \
+ --prefix=${LLVMGCC_INSTALL_DIR} \
+ --program-prefix=llvm- \
+ --target=${CROSS_TARGET} \
+ --with-gnu-as=${CROSS_TARGET_AS} \
+ --with-gnu-ld=${CROSS_TARGET_LD} \
+ --with-sysroot=${SYSROOT}
+ runAndLog "Building LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-build.log \
+ make
+ runAndLog "Installing LLVM-GCC" ${LLVMGCC_OBJ_DIR}/llvmgcc-install.log \
+ make install
+}
+
+echo "Building in ${SCRATCH_ROOT}; installing in ${INSTALL_ROOT}"
+
+createDir ${SRC_ROOT}
+createDir ${OBJ_ROOT}
+
+installCodeSourcery
+installLLVM
+installLLVMGCC
+
+echo "Done."
--- /dev/null
+#!/bin/bash
+#
+# Creates LLVM SVN snapshots: llvm-$REV.tar.bz2 and llvm-gcc-4.2-$REV.tar.bz2,
+# where $REV is an SVN revision of LLVM. This is used for creating stable
+# tarballs which can be used to build known-to-work crosstools.
+#
+# Syntax:
+# $0 [REV] -- grabs the revision $REV from SVN; if not specified, grabs the
+# latest SVN revision.
+
+set -o nounset
+set -o errexit
+
+readonly REV="${1:-HEAD}"
+
+runOnModule() {
+ local module=$1
+ local log="${module}.log"
+ echo "Running: svn co -r ${REV} ${module}; log in ${log}"
+ svn co -r ${REV} http://llvm.org/svn/llvm-project/${module}/trunk ${module} \
+ > ${log} 2>&1
+
+ # Delete all the ".svn" dirs; they take quite a lot of space.
+ echo "Cleaning up .svn dirs"
+ find ${module} -type d -name \.svn -print0 | xargs -0 /bin/rm -rf
+
+ # Create "module-revision.tar.bz2" packages from the SVN checkout dirs.
+ local revision=$(grep "Checked out revision" ${log} | \
+ sed 's/[^0-9]\+\([0-9]\+\)[^0-9]\+/\1/')
+ local tarball="${module}-${revision}.tar.bz2"
+ echo "Creating tarball: ${tarball}"
+ tar cjf ${tarball} ${module}
+
+ echo "Cleaning SVN checkout dir ${module}"
+ rm -rf ${module} ${log}
+}
+
+for module in "llvm" "llvm-gcc-4.2"; do
+ runOnModule ${module}
+done
+