toolchain-avr/gcc.build.bash
2015-03-30 10:38:43 +02:00

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#!/bin/bash -ex
# Copyright (c) 2014-2015 Arduino LLC
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
if [[ ! -d toolsdir ]] ;
then
echo "You must first build the tools: run build_tools.bash"
exit 1
fi
cd toolsdir/bin
TOOLS_BIN_PATH=`pwd`
cd -
export PATH="$TOOLS_BIN_PATH:$PATH"
if [[ ! -f gmp-5.0.2.tar.bz2 ]] ;
then
wget http://mirror.switch.ch/ftp/mirror/gnu/gmp/gmp-5.0.2.tar.bz2
fi
tar xfv gmp-5.0.2.tar.bz2
if [[ ! -f mpfr-3.0.0.tar.bz2 ]] ;
then
wget http://mirror.switch.ch/ftp/mirror/gnu/mpfr/mpfr-3.0.0.tar.bz2
fi
tar xfv mpfr-3.0.0.tar.bz2
if [[ ! -f mpc-0.9.tar.gz ]] ;
then
wget http://www.multiprecision.org/mpc/download/mpc-0.9.tar.gz
fi
tar xfv mpc-0.9.tar.gz
if [[ ! -f gcc-4.8.1.tar.bz2 ]] ;
then
wget http://mirror.switch.ch/ftp/mirror/gnu/gcc/gcc-4.8.1/gcc-4.8.1.tar.bz2
fi
tar xfv gcc-4.8.1.tar.bz2
pushd gcc-4.8.1
for p in ../gcc-patches/*.patch; do echo Applying $p; patch -p1 < $p; done
pushd gcc/config/avr/
sh genopt.sh avr-mcus.def > avr-tables.opt
cat avr-mcus.def | awk -f genmultilib.awk FORMAT="Makefile" > t-multilib
popd
pushd gcc
autoconf
popd
popd
mv gmp-5.0.2 gcc-4.8.1/gmp
mv mpfr-3.0.0 gcc-4.8.1/mpfr
mv mpc-0.9 gcc-4.8.1/mpc
mkdir -p objdir
cd objdir
PREFIX=`pwd`
cd -
mkdir -p gcc-build
cd gcc-build
CONFARGS=" \
--enable-fixed-point \
--enable-languages=c,c++ \
--prefix=$PREFIX \
--enable-long-long \
--disable-nls \
--disable-checking \
--disable-libssp \
--disable-libada \
--disable-shared \
--enable-lto \
--with-avrlibc=yes \
--with-dwarf2 \
--disable-doc \
--target=avr"
if [ `uname -s` == "Darwin" ]
then
# Use default system libraries (no other Macports libraries)
LDFLAGS="$LDFLAGS -L/usr/lib"
fi
CFLAGS="-w -O2 -g0 $CFLAGS" CXXFLAGS="-w -O2 -g0 $CXXFLAGS" LDFLAGS="-s $LDFLAGS" ../gcc-4.8.1/configure $CONFARGS
if [ -z "$MAKE_JOBS" ]; then
MAKE_JOBS="2"
fi
nice -n 10 make -j $MAKE_JOBS
make install