VERSION="8.2.0"
SRCDIR="gcc-$VERSION"
TARBALL="gcc-$VERSION.tar.xz"
URL="http://ftp.gnu.org/gnu/gcc/gcc-$VERSION"
SHA256SUM="196c3c04ba2613f893283977e6011b2345d1cd1af9abeac58e916b1aab3e0080"
DEPENDS="tc-binutils tc-cloog tc-gmp tc-isl tc-mpc tc-mpfr linux-dev fortify-headers"

prepare() {
	apply_patches

	#
	# XXX: if you ever add support for another 64 bit processor,
	#      you need to patch this.
	#
	# Fixup multilib configuration to install libraries
	# into /lib instead of /lib64
	#
	for subdir in "i386/t-linux64" "aarch64/t-aarch64-linux"; do
		sed -e 's/lib64/lib/g' \
		    -i "$PKGSRCDIR/$SRCDIR/gcc/config/$subdir"
	done

	for child in cloog gmp isl mpc mpfr; do
		include_pkg "tc-$child"

		if [ ! -e "$child" ]; then
			echo "installing symlink to $child..."
			ln -s "$PKGSRCDIR/$SRCDIR" "$child"
		else
			if [ ! -L "$child" ]; then
				echo "ERROR: $child " \
					"exists but is not a symlink!"
				exit 1
			fi
		fi
	done
}

build() {
	local extra="--disable-libssp"

	if [ "x$TC_HARDENING" = "xyes" ]; then
		extra="$extra --enable-default-pie"
		extra="$extra --enable-default-ssp"
	fi

	$1/configure --prefix="$TCDIR" --target="$TARGET" \
		     --build="$HOSTTUPLE" --host="$HOSTTUPLE" \
		     --with-sysroot="$TCDIR/$TARGET" \
		     --disable-nls --disable-shared --without-headers \
		     --disable-multilib --disable-decimal-float \
		     --disable-libgomp --disable-libmudflap \
		     --disable-libatomic \
		     --disable-libquadmath --disable-threads \
		     --enable-languages=c --with-newlib \
		     --with-as="$TCDIR/bin/$TARGET-as" \
		     --with-ld="$TCDIR/bin/$TARGET-ld" \
		     --with-arch="$GCC_CPU" $extra $GCC_EXTRACFG

	make -j $NUMJOBS all-gcc all-target-libgcc
}

deploy() {
	make install-gcc install-target-libgcc

	touch "$PKGDEPLOYDIR/$PKGNAME.files"
	cat > "$PKGDEPLOYDIR/$PKGNAME.desc" <<_EOF
name $PKGNAME
requires tc-binutils linux-dev fortify-headers
_EOF
}

check_update() {
	curl --silent -L "http://ftp.gnu.org/gnu/gcc" | \
	    grep -o ">gcc-[0-9.]*/<" | \
	    sed 's/>gcc-//g' | sed 's/\/<//g' | \
	    verson_find_greatest "$VERSION"
}