-#!/bin/bash
+#!/bin/sh
# Written by Uwe Hermann <uwe@hermann-uwe.de>, released as public domain.
# Modified by Piotr Esden-Tempski <piotr@esden.net>, released as public domain.
# Settings section
# You probably want to customize those
##############################################################################
-TARGET=arm-eabi # Or: TARGET=arm-elf
+TARGET=arm-none-eabi # Or: TARGET=arm-elf
[ -z $PREFIX ] && PREFIX=${HOME}/arm # Install location of your final toolchain
[ -z $WORKDIR ] && WORKDIR=$PREFIX/work #temporary directory
PARALLEL= # Or: PARALLEL="-j 5" for 4 CPUs
# Set to 1 to be quieter while running
QUIET=0
# Set to 1 to use linaro gcc instead of the FSF gcc
-USE_LINARO=1
+USE_LINARO=0
+# Set to 1 to enable C++
+USE_CPP=0
# Set to 1 to enable building of OpenOCD
OOCD_EN=0
# Set to 1 to build libstm32 provided by ST
LIBSTM32_EN=0
# Set to 1 to build libopenstm32 an open source library for stm32
-LIBOPENSTM32_EN=1
+LIBOPENSTM32_EN=0
# Make the gcc default to Cortex-M3
DEFAULT_TO_CORTEX_M3=1
##############################################################################
# Version and download url settings section
##############################################################################
-if [ ${USE_LINARO} == 0 ] ; then
+if [ ${USE_LINARO} = 0 ] ; then
# For FSF GCC:
GCCVERSION=4.6.1
- GCC=gcc-core-${GCCVERSION}
- GCCDIR=gcc-${GCCVERSION}
- GCCURL=http://ftp.gnu.org/gnu/gcc/${GCCDIR}/${GCC}.tar.gz
+ if [ ${USE_CPP} = 0 ]; then
+ GCC=gcc-core-${GCCVERSION}
+ GCCDIR=gcc-${GCCVERSION}
+ else
+ GCC=gcc-${GCCVERSION}
+ GCCDIR=${GCC}
+ fi
+ GCCURL=http://ftp.gnu.org/gnu/gcc/${GCCDIR}/${GCC}.tar.bz2
else
# For the Linaro GCC:
GCCRELEASE=4.6-2011.07
GDBFLAGS=
BINUTILFLAGS=
-if [ ${DEFAULT_TO_CORTEX_M3} == 0 ] ; then
+if [ ${DEFAULT_TO_CORTEX_M3} = 0 ] ; then
GCCFLAGS=
else
# To default to the Cortex-M3:
##############################################################################
# Fetch a versioned file from a URL
-function fetch {
+fetch() {
if [ ! -e ${STAMPS}/$1.fetch ]; then
log "Downloading $1 sources..."
wget -c $2
}
# Log a message out to the console
-function log {
+log() {
echo "******************************************************************"
echo "* $*"
echo "******************************************************************"
}
# Unpack an archive
-function unpack {
+unpack() {
log Unpacking $*
# Use 'auto' mode decompression. Replace with a switch if tar doesn't support -a
ARCHIVE=$(ls ${SOURCES}/$1.tar.*)
}
# Install a build
-function install {
+install() {
log $1
${SUDO} make ${MAKEFLAGS} $2 $3 $4 $5 $6 $7 $8
}
unpack ${NEWLIB}
cd build
log "Configuring ${NEWLIB}"
+ # configuration options and flags partially
+ # from https://github.com/jsnyder/arm-eabi-toolchain
../${NEWLIB}/configure --target=${TARGET} \
--prefix=${PREFIX} \
--enable-interwork \
--disable-nls \
--disable-werror \
--disable-newlib-supplied-syscalls \
+ --disable-shared \
+ --disable-nls \
+ --disable-libgloss \
--with-float=soft
log "Building ${NEWLIB}"
- make ${MAKEFLAGS} CFLAGS_FOR_TARGET="-msoft-float" CCASFLAGS="-msoft-float"
+ NEWLIB_FLAGS="-ffunction-sections -fdata-sections -DPREFER_SIZE_OVER_SPEED -D__OPTIMIZE_SIZE__ -Os -fomit-frame-pointer -fno-unroll-loops -D__BUFSIZ__=256 -mabi=aapcs"
+ make ${MAKEFLAGS} CFLAGS_FOR_TARGET="${NEWLIB_FLAGS}" CCASFLAGS="${NEWLIB_FLAGS}"
install ${NEWLIB} install
cd ..
log "Cleaning up ${NEWLIB}"
unpack ${GCC}
cd build
log "Configuring ${GCC}"
+ [ ${USE_CPP} = 1 ] && GCCFLAGS="--enable-languages='c,c++' ${GCCFLAGS}"
../${GCCDIR}/configure --target=${TARGET} \
--prefix=${PREFIX} \
--enable-interwork \
--enable-multilib \
- --enable-languages="c,c++" \
--with-newlib \
--disable-shared \
--with-gnu-as \
fi
fi
-if [ ${SUMMON_DIR_CREATED} == 1 ]; then
+if [ ${SUMMON_DIR_CREATED} = 1 ]; then
log "Removing work directory"
rm -rf ${SUMMON_DIR}
fi