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#!/usr/bin/env bash
# directory to install compiled binaries into
PREFIX=${HOME}/gnuarm
# directory to download source files and store intermediates
TMP_DIR=/var/tmp
GNUARM_BUILDDIR=${GNUARM_BUILDDIR:-"${TMP_DIR}/gnuarm-${USER}"}
GCC_VER=4.7.2
GCC_MD5=cc308a0891e778cfda7a151ab8a6e762
BINUTILS_VER=2.20.1
BINUTILS_MD5=2b9dc8f2b7dbd5ec5992c6e29de0b764
NEWLIB_VER=1.20.0
NEWLIB_MD5=e5488f545c46287d360e68a801d470e8
GDB_VER=7.3.1
GDB_MD5=b89a5fac359c618dda97b88645ceab47
#uncomment to support multi-threaded compile
MAKE_THREADS=-j4
DOWNLOADER=wget
DOWNLOADER_OPTS="-nv -c"
if [ `uname` = "Linux" ]; then
MD5=md5sum
MD5_OPTS="-c -"
elif [ `uname` = "Darwin" ]; then
MD5=md5
MD5_OPTS=""
else
echo "CAUTION: No 'md5' tool for your host system found!"
fi
#
# Build targets
#
FILES=.
HOST_GCC_VER=`gcc --version | awk '/gcc/{print $NF}'`
SPACE_NEEDED=2641052
FREETMP=`df ${TMP_DIR} | awk '{ if (NR == 2) print $4}'`
build_binutils() {
echo "Building binutils..."
if [ ! -e .binutils_extracted ] ; then
tar -xjf ${FILES}/binutils-${BINUTILS_VER}.tar.bz2
touch .binutils_extracted
fi
if [[ $HOST_GCC_VER == 4.6* || $HOST_GCC_VER == 4.7* ]]
then
CFLAGS="-Wno-error=unused-but-set-variable -Wno-error=unused-but-set-parameter"
else
CFLAGS="-Wno-error=unused"
fi
rm -rf binutils-build && mkdir -p binutils-build && cd binutils-build &&
../binutils-${BINUTILS_VER}/configure --target=arm-elf --prefix=${PREFIX} --enable-interwork --enable-multilib &&
make ${MAKE_THREADS} all CFLAGS="${CFLAGS}" &&
make install &&
cd ${GNUARM_BUILDDIR}
}
build_gcc() {
echo "Building gcc..."
if [ ! -e .gcc_extracted ] ; then
tar -xjf ${FILES}/gcc-${GCC_VER}.tar.bz2 &&
touch .gcc_extracted
fi
rm -rf gcc-build && mkdir -p gcc-build && cd gcc-build &&
../gcc-${GCC_VER}/configure --target=arm-elf --prefix=${PREFIX} --enable-interwork --enable-multilib --enable-languages="c,c++" --with-newlib --enable-lto --disable-libssp --with-headers=${GNUARM_BUILDDIR}/newlib-${NEWLIB_VER}/newlib/libc/include --enable-obsolete &&
make ${MAKE_THREADS} all &&
make install &&
cd ${GNUARM_BUILDDIR}
}
extract_newlib() {
if [ ! -e .newlib_extracted ] ; then
echo -n "Extracting newlib..."
tar -xzf ${FILES}/newlib-${NEWLIB_VER}.tar.gz &&
touch .newlib_extracted &&
echo " Done."
fi
}
build_newlib() {
cd ${GNUARM_BUILDDIR} &&
if [ ! -e .newlib_extracted ] ; then
extract_newlib
fi
rm -rf newlib-build && mkdir -p newlib-build && cd newlib-build &&
../newlib-${NEWLIB_VER}/configure --target=arm-elf --prefix=${PREFIX} --enable-interwork --enable-multilib --disable-newlib-supplied-syscalls --enable-newlib-reent-small --enable-newlib-io-long-long --enable-newlib-io-float &&
#--enable-newlib-supplied-syscalls &&
# options to try: --enable-newlib-reent-small
make ${MAKE_THREADS} TARGET_CFLAGS=-DREENTRANT_SYSCALLS_PROVIDED all &&
make install &&
# generate zip-file to provide binary download
cd ${PREFIX}/arm-elf &&
#
# package compiled newlib for windows users. any new version must be uploaded to the
# webserver. see manual arm/toolchain/windows for paths and documentation.
#
zip -ru newlib-${NEWLIB_VER}.zip include sys-include lib/*.a lib/thumb/*.a
cd ${GNUARM_BUILDDIR}
}
build_gdb() {
echo "Building gdb..."
if [ ! -e .gdb_extracted ] ; then
tar -xjf ${FILES}/gdb-${GDB_VER}.tar.bz2 &&
touch .gdb_extracted
fi
rm -rf gdb-build && mkdir -p gdb-build && cd gdb-build &&
../gdb-${GDB_VER}/configure --target=arm-elf --prefix=${PREFIX} --enable-interwork --enable-multilib &&
make ${MAKE_THREADS} all CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0" &&
make install &&
cd ${GNUARM_BUILDDIR}
}
clean() {
echo "Cleaning up..."
rm -rf .gdb_extracted .newlib_extracted .gcc_extracted .binutils_extracted
rm -rf binutils-build gcc-build newlib-build gdb-build
}
export PATH=$PATH:${PREFIX}/bin
download() {
download_file http://ftp.gnu.org/gnu/binutils binutils-${BINUTILS_VER}.tar.bz2 ${BINUTILS_MD5} &&
download_file ftp://ftp.fu-berlin.de/unix/languages/gcc/releases/gcc-${GCC_VER} gcc-${GCC_VER}.tar.bz2 ${GCC_MD5} &&
download_file ftp://sources.redhat.com/pub/newlib newlib-${NEWLIB_VER}.tar.gz ${NEWLIB_MD5} &&
download_file http://ftp.gnu.org/gnu/gdb gdb-${GDB_VER}.tar.bz2 ${GDB_MD5}
}
download_file() {
echo "Downloading ${1}/${2}..."
${DOWNLOADER} ${DOWNLOADER_OPTS} $1/$2
echo -n "Checking MD5 of "
echo "${3} ${2}" | ${MD5} ${MD5_OPTS}
}
check_space() {
echo "Checking disk space in ${TMP_DIR}"
if [ $FREETMP -lt $SPACE_NEEDED ]
then
echo "Not enough available space in ${TMP_DIR}. Minimum ${SPACE_NEEDED} free bytes required."
exit 1
fi
}
build_all() {
echo "Starting in ${GNUARM_BUILDDIR}. Installing to ${PREFIX}."
check_space &&
download &&
build_binutils &&
extract_newlib &&
build_gcc &&
build_newlib &&
build_gdb &&
echo "Build complete."
}
usage() {
echo "usage: ${0} build_[binutils|gcc|newlib|gdb|all]"
echo "example: ./build_gnuarm build_all"
echo ""
echo "Builds a GNU ARM toolchain. installs to HOME/gnuarm, uses /tmp/gnuarm-USER as temp."
echo "Edit to change these directories."
echo "Run like \"MAKE_THREADS=-j4 ${0} build_all\" to speed up on multicore systems."
}
if [ -z "${1}" ]; then
usage
exit 1
fi
mkdir -p ${GNUARM_BUILDDIR}
cd ${GNUARM_BUILDDIR}
$*