fetch $GCC_URL
fetch $GMP_URL
fetch $ISL_URL
fetch $MPC_URL
fetch $MPFR_URL

cd "$SOURCES" && tar xf gcc-$GCC_VERSION.tar.xz && cd gcc-$GCC_VERSION

tar xf ../gmp-$GMP_VERSION.tar.xz && mv gmp-$GMP_VERSION gmp
tar xf ../isl-$ISL_VERSION.tar.xz && mv isl-$ISL_VERSION isl
tar xf ../mpc-$MPC_VERSION.tar.gz && mv mpc-$MPC_VERSION mpc
tar xf ../mpfr-$MPFR_VERSION.tar.xz && mv mpfr-$MPFR_VERSION mpfr

sed -e '/m64=/s/lib64/lib/' -i.orig gcc/config/i386/t-linux64

mkdir -p build && cd build

../configure \
	--target=$TARGET \
	--prefix="$CROSS" \
	--with-glibc-version=$GLIBC_VERSION \
	--with-sysroot="$SYSROOT" \
	--with-newlib \
	--without-headers \
	--enable-default-pie \
	--enable-default-ssp \
	--disable-nls \
	--disable-shared \
	--disable-multilib \
	--disable-threads \
	--disable-libatomic \
	--disable-libgomp \
	--disable-libquadmath \
	--disable-libssp \
	--disable-libvtv \
	--disable-libstdcxx \
	--enable-languages=c,c++ \
	--silent \
	--quiet

make && make install

cd .. && cat gcc/limitx.h gcc/glimits.h gcc/limity.h > "`dirname $($TARGET-gcc -print-libgcc-file-name)`/include/limits.h"

cd "$SOURCES" && rm -rf gcc-$GCC_VERSION