# Description: The GNU Compiler Collection, Version 6
# URL:	       http://gcc.gnu.org
# Maintainer:  John Vogel, jvogel4 at stny dot rr dot com
# Depends on:  zlib libmpc

name=gcc6
version=6.5.0
release=1
source=(https://gcc.gnu.org/pub/gcc/releases/gcc-$version/gcc-$version.tar.xz
	gcc-nocheck-fixincludes.patch gcc-4.7.3-multilib-dirs.patch
	libsanitizer.patch)

build() {
	patch -d gcc-$version -p1 -i $SRC/gcc-nocheck-fixincludes.patch
	patch -d gcc-$version -p1 -i $SRC/gcc-4.7.3-multilib-dirs.patch
	patch -d gcc-$version -p2 -i $SRC/libsanitizer.patch

	# Do not run fixincludes
	#sed -i 's@\./fixinc\.sh@-c true@' gcc-$version/gcc/Makefile.in

	#export LD_PRELOAD=/usr/lib/libstdc++.so

	export CFLAGS="-O2 -march=x86-64"
	export CXXFLAGS="${CFLAGS}"

	mkdir build
	cd build
	../gcc-$version/configure \
		--prefix=/usr \
		--libexecdir=/usr/lib \
		--enable-bootstrap \
		--enable-version-specific-runtime-libs \
		--enable-languages=c,c++,objc \
		--enable-threads=posix \
		--enable-__cxa_atexit \
		--enable-clocale=gnu \
		--enable-shared \
		--disable-nls \
		--with-x=no \
		--with-system-zlib \
		--disable-multilib \
		--enable-default-pie \
		--enable-default-ssp \
		--with-pkgversion="CRUX-x86_64" \
		--program-suffix="-${version%%.*}"

	make bootstrap
	make -j1 DESTDIR=$PKG install


	target_alias=$(sed -n -e 's/^target=\(.*\)$/\1/p' Makefile)
	mv $PKG/usr/lib/libcc1.* $PKG/usr/lib/gcc/$target_alias/$version
	mv $PKG/usr/lib/gcc/$target_alias/$version/include-fixed/{limits.h,syslimits.h} \
		$PKG/usr/lib/gcc/$target_alias/$version/include/
	mv $PKG/usr/lib/gcc/$target_alias/lib/libgcc_s.so* \
		$PKG/usr/lib/gcc/$target_alias/$version/
	rm -r $PKG/usr/lib/gcc/$target_alias/lib
	rm -r $PKG/usr/share/{info,gcc-$version} 
	rm -r $PKG/usr/bin/$target_alias-*
	rm -r $PKG/usr/lib/gcc/$target_alias/$version/{install-tools,include-fixed}
	rm -r $PKG/usr/share/man/man7

	sed -i "s|-L$SRC[^ ]* ||g" \
		$PKG/usr/lib/gcc/x86_64-pc-linux-gnu/$version/{libstdc++.la,libsupc++.la}
}