#!/bin/bash
source ../versions.sh

export CFLAGS="-g -O2"
export CPPFLAGS="-D_FORTIFY_SOURCE=2"
export CXXFLAGS="-g -O2"
export FFLAGS="-g -O2"
export LDFLAGS=

export CFLAGS_FOR_TARGET="-g -O2 --param=ssp-buffer-size=4 -Wformat -Wformat-security"
# BUG: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61164
# so we just disable it
export CPPFLAGS_FOR_TARGET=
export CXXFLAGS_FOR_TARGET="-g -O2 --param=ssp-buffer-size=4 -Wformat -Wformat-security"
export FFLAGS_FOR_TARGET="-g -O2"
export LDFLAGS_FOR_TARGET="-Wl,-Bsymbolic-functions -Wl,-z,relro"

echo "Please comment out the following two lines in /usr/arm-frc-linux-gnueabi/usr/include/sys/types.h temporarily:"
echo "//typedef __daddr_t daddr_t;"
echo "//typedef __caddr_t caddr_t;"


echo "Extracting GCC..."
tar xf ../gcc-${V_GCC}.tar.bz2
echo "Extracting MPFR..."
tar xf ../mpfr-${V_MPFR}.tar.bz2
echo "Extracting MPC..."
tar xf ../mpc-${V_MPC}.tar.gz
echo "Extracting GMP..."
tar xf ../gmp-${V_GMP}.tar.bz2
echo "Extracting CLOOG..."
tar xf ../cloog-${V_CLOOG}.tar.gz
echo "Extracting ISL..."
tar xf ../isl-${V_ISL}.tar.bz2
echo "Extracting GDB..."
mv cloog-${V_CLOOG} gcc-${V_GCC}/cloog
mv isl-${V_ISL} gcc-${V_GCC}/isl
mv mpfr-${V_MPFR} gcc-${V_GCC}/mpfr
mv mpc-${V_MPC} gcc-${V_GCC}/mpc
mv gmp-${V_GMPf} gcc-${V_GCC}/gmp

pushd gcc-${V_GCC}
# apply the debian so patch
patch -p1 < ../../deb/debians/gcc/patches/minorSOname
popd

mkdir gcc-build
mkdir gcc-install
cd gcc-build
../gcc-${V_GCC}/configure --host=i686-w64-mingw32 --enable-threads=posix --target=arm-frc-linux-gnueabi --with-arch=armv7-a --with-cpu=cortex-a9 --with-float=softfp --with-fpu=vfpv3 --with-specs='%{save-temps: -fverbose-asm} %{funwind-tables|fno-unwind-tables|mabi=*|ffreestanding|nostdlib:;:-funwind-tables}' --enable-languages=c,c++ --enable-shared --enable-lto --disable-nls --with-pkgversion='GCC for FRC' --with-cloog --disable-multilib --disable-multiarch --prefix=/frc --with-sysroot=/frc --enable-poison-system-directories --disable-libmudflap --with-build-sysroot=/usr/arm-frc-linux-gnueabi || exit $?
make -j3 || exit $?
DESTDIR=$PWD/../gcc-install make install

cd ../gcc-install