# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=gcc
pkgver=4.5.1
_piepatchver=0.4.5
_specs_ver=0.2.0
_specs_gcc_ver=4.4.3

_uclibc_abiver=0.9.32
if [ "$ALPINE_LIBC" = "eglibc" ]; then
	_chost="i686-pc-linux-gnu"
	_with_arch="i686"
else
	_chost="i486-alpine-linux-uclibc"
	_dynamic_linker="--with-dynamic-linker=ld-uClibc.so.$_uclibc_abiver"
	_with_arch="i486"
fi

pkgrel=5
pkgdesc="The GNU Compiler Collection"
url="http://gcc.gnu.org"
license="GPL LGPL"
depends="binutils libgcc libgomp libobjc"
makedepends="bison flex gmp-dev mpfr-dev texinfo libmpc-dev gawk zlib-dev"
subpackages="$pkgname-doc libstdc++:libcxx g++:gpp libgcc libgomp libobjc"
source="ftp://gcc.gnu.org/pub/gcc/releases/gcc-$pkgver/gcc-core-$pkgver.tar.bz2
	ftp://gcc.gnu.org/pub/gcc/releases/gcc-$pkgver/gcc-g++-$pkgver.tar.bz2
	ftp://gcc.gnu.org/pub/gcc/releases/gcc-$pkgver/gcc-objc-$pkgver.tar.bz2
	http://distfiles.gentoo.org/distfiles/gcc-$pkgver-piepatches-v${_piepatchver}.tar.bz2
	http://distfiles.gentoo.org/distfiles/gcc-$_specs_gcc_ver-specs-$_specs_ver.tar.bz2
	
	09_all_gcc-4.5-Wtrampolines.patch
	15_all_gcc-libgomp-no-werror.patch
	50_all_pr45312-kernel-miscompile.patch
	51_all_gcc-3.4-libiberty-pic.patch

	gcc-spec-env.patch
	pt_gnu_eh_frame.patch
	uclibc-getipinfo.patch
	gcc-4.5-dynamic-linker.patch
	PR32219.patch
	"

_gccdir="$srcdir"/gcc-$pkgver
prepare() {
	cd "$_gccdir"

	# PIE patches from gentoo
	# thanks to Zorry for hard work on those patches
	for i in "$srcdir"/piepatch/*.patch; do
		msg "Applying $i"
		patch -p0 -i $i || return 1
	done

	# Gentoo and uclibc patches
	for i in $source; do
		case "$i" in
		*.patch)
			msg "Applying $i"
			patch -p1 -i "$srcdir"/$i || return 1
			;;
		esac
	done
	sed -i 's/use_fixproto=yes/:/' gcc/config.gcc #PR33200
}

build() {
	cd "$_gccdir"
	echo ${pkgver} > gcc/BASE-VER
	mkdir build
	cd build
	../configure --prefix=/usr \
		--mandir=/usr/share/man \
		--infodir=/usr/share/info \
		--build=${CHOST:-$_chost} \
		--host=${CHOST:-$_chost} \
		--target=${CHOST:-$_chost} \
		--disable-altivec \
		--disable-checking \
		--disable-fixed-point \
		--disable-libssp \
		--disable-libstdcxx-pch \
		--disable-multilib \
		--disable-nls \
		--disable-werror \
		--enable-__cxa_atexit \
		--enable-cld \
		--enable-espf \
		--enable-languages=c,c++,objc \
		--enable-shared \
		--enable-target-optspace \
		--enable-tls \
		--enable-threads \
		--with-arch=i486 \
		$_with_arch \
		$_dynamic_linker \
		--with-dynamic-linker-prefix=/lib \
		--with-system-zlib \
		--without-system-libunwind 


	make || return 1
}

package() {
	cd "$srcdir"/gcc-$pkgver/build
	make -j1 DESTDIR="${pkgdir}" install || return 1
	ln -s gcc "$pkgdir"/usr/bin/cc

	# binutils provides libiberty.a
	rm -f "$pkgdir"/usr/lib/libiberty.a

	# install the specs
	cd "$srcdir"/specs
	install -d "$pkgdir"/usr/share/gcc
	for i in *.specs; do
		install -m644 $i "$pkgdir"/usr/share/gcc/$i || return 1
	done
}

libcxx() {
	pkgdesc="GNU C++ standard runtime library"
	depends=
	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libstdc++.so.* "$subpkgdir"/usr/lib/
}

gpp() {
	pkgdesc="GNU C++ standard library and compiler"
	depends="libstdc++"
	local libexec=usr/libexec/gcc/${CHOST:-$_chost}/$pkgver
	mkdir -p "$subpkgdir/$libexec" \
		"$subpkgdir"/usr/bin \
		"$subpkgdir"/usr/include \
		"$subpkgdir"/usr/lib \

	mv "$pkgdir/$libexec/cc1plus" "$subpkgdir/$libexec/"
	mv "$pkgdir"/usr/lib/*++* "$subpkgdir"/usr/lib/
	mv "$pkgdir"/usr/include/c++ "$subpkgdir"/usr/include/
	mv "$pkgdir"/usr/bin/*++ "$subpkgdir"/usr/bin/
}

libobjc() {
	pkgdesc="GNU ObjectiveC library"
	replaces="objc"
	mkdir -p "$subpkgdir"/usr/lib

	mv "$pkgdir"/usr/lib/*objc* "$subpkgdir"/usr/lib/
}

libgcc() {
	pkgdesc="GNU C compiler runtime libraries"
	depends=
	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libgcc_s.so.* "$subpkgdir"/usr/lib/
}

libgomp() {
	pkgdesc="GCC shared-memory parallel programming API library"
	depends=
	replaces="gcc"
	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libgomp.so.* "$subpkgdir"/usr/lib/
}

md5sums="dc8959e31b01a65ce10d269614815054  gcc-core-4.5.1.tar.bz2
b294953ff0bb2f20c7acb2bf005d832a  gcc-g++-4.5.1.tar.bz2
3c11b7037896e967eddf8178af2ddd98  gcc-objc-4.5.1.tar.bz2
1f86fe5dc7d506b7fc04fcd8b7d2693c  gcc-4.5.1-piepatches-v0.4.5.tar.bz2
441c76504e1d97170117c294e65c7a72  gcc-4.4.3-specs-0.2.0.tar.bz2
ab090760506eb70aa4436a349c6bd788  09_all_gcc-4.5-Wtrampolines.patch
1c00bd9d12891a3e2311b32b98deb6fa  15_all_gcc-libgomp-no-werror.patch
01d331b786b4884b8a2663ea5f921b71  50_all_pr45312-kernel-miscompile.patch
45951dd3bbc979c9e043c7203745cf31  51_all_gcc-3.4-libiberty-pic.patch
c4045bfa85d8be780affd465be9d8ca8  gcc-spec-env.patch
2db1e3482c5dd59dab70f701afa2ca80  pt_gnu_eh_frame.patch
6cc2385c5bbd6d0da6eaedd53c8bf547  uclibc-getipinfo.patch
7f35da0f88f4d9c3d3839498bbda0eb3  gcc-4.5-dynamic-linker.patch
6c866c7fb8d56deb8f6d652bee64e228  PR32219.patch"