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# 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=8
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
	$pkgname-java libgcj"
source="ftp://gcc.gnu.org/pub/gcc/releases/gcc-$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-$pkgver.tar.bz2
	ftp://gcc.gnu.org/pub/gcc/releases/gcc-$pkgver/gcc-java-$pkgver.tar.bz2
	http://distfiles.gentoo.org/distfiles/gcc-$pkgver-piepatches-v${_piepatchver}.tar.bz2
	http://distfiles.gentoo.org/distfiles/gcc-$_specs_gcc_ver-specs-$_specs_ver.tar.bz2
	ftp://sourceware.org/pub/java/ecj-latest.jar
	
	09_all_gcc-4.5-Wtrampolines.patch
	15_all_gcc-libgomp-no-werror.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
	boehem-gc-uclibc.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
	
	#PR33200
	sed -i 's/use_fixproto=yes/:/' gcc/config.gcc || return 1

	# enable hardened cflags by default
	# building gcc wih PIE seem to hit some strange bug. we probably run
	# out of some resource. so we disable PIE for gcc while enabling it
	# by default for everything else.
	local _hard_cflags="-DEFAULT_PIE_SSP -DEFAULT_RELRO -DEFAULT_BIND_NOW"
	sed -e "/^ALL_CFLAGS/iHARD_CFLAGS = ${_hard_cflags}" \
		-e 's|^ALL_CFLAGS = |ALL_CFLAGS = $(HARD_CFLAGS) -fno-PIE |' \
		-i gcc/Makefile.in || return 1
	sed -e "/stage1_cflags=/s/-fno-stack-protector/-fno-stack-protector -fno-PIE/" \
		-i configure

	# see http://gcc.gnu.org/ml/java/2008-04/msg00027.html
	mv "$srcdir"/ecj-latest.jar ecj.jar
}

build() {
	cd "$_gccdir"
	echo ${pkgver} > gcc/BASE-VER
	export CFLAGS="-fno-stack-protector"
	mkdir build
	cd build
	../configure --prefix=/usr \
		--mandir=/usr/share/man \
		--infodir=/usr/share/info \
		--build=${CBUILD:-$_chost} \
		--host=${CHOST:-$_chost} \
		--target=${CTARGET:-$_chost} \
		--disable-altivec \
		--disable-checking \
		--disable-fixed-point \
		--disable-libssp \
		--disable-libstdcxx-pch \
		--disable-multilib \
		--disable-nls \
		--disable-werror \
		--enable-__cxa_atexit \
		--enable-cld \
		--enable-esp \
		--enable-languages=c,c++,objc,java \
		--enable-shared \
		--enable-target-optspace \
		--enable-tls \
		--enable-threads \
		--with-arch=$_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

	# we dont support gcj -static
	# and saving 35MB is not bad.
	find "$pkgdir" -name libgcj.a -o -name libgtkpeer.a \
		-o -name libgjsmalsa.a -o -name libgcj-tools.a \
		-o -name libjvm.a -o -name libgij.a -o -name libgcj_bc.a \
		-o -name libjavamath.a \
		| xargs rm -f \
		|| return 1
	sed -i -e 's/lib: /&%{static:%eJava programs cannot be linked statically}/' \
		"$pkdir"/usr/lib/libgcj.spec

	# remove ffi
	rm "$pkgdir"/usr/lib/libffi*
	find "$pkgdir" -name 'ffi*.h' | xargs rm -f


}

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/
}

java() {
	pkgdesc="Java support for GCC"
	mkdir -p "$subpkgdir"/usr/bin "$subpkgdir"/usr/lib
	cd "$pkgdir"/usr/bin
	mv gcj gcj-dbtool gjavah gcjh jcf-dump "$subpkgdir"/usr/bin/
	cd "$pkgdir"
	for i in $(find usr/ -name ecj1 -o -name jc1 -o -name jvgenmain); do
		mkdir -p "$subpkgdir"/${i%/*}
		mv "$pkgdir"/$i "$subpkgdir"/$i || return 1
	done
	mv \
		"$pkgdir"/usr/lib/libgcj*.so \
		"$pkgdir"/usr/lib/libgcj*.la \
		"$pkgdir"/usr/lib/libgij.so \
		"$pkgdir"/usr/lib/libgij.la \
		"$pkgdir"/usr/lib/libgcj.spec \
		"$subpkgdir"/usr/lib/
}

libgcj() {
	pkgdesc="Java runtime library for gcc"
	mkdir -p "$subpkgdir"/usr/bin
	cd "$pkgdir"/usr/bin
	mv aot-compile gappletviewer gc-analyze gij gjar gjarsigner gkeytool\
		gnative2ascii gorbd grmic grmid grmiregistry gserialver \
		gtnameserv i486-alpine-linux-uclibc-gcj jv-convert \
		rebuild-gcj-db \
		"$subpkgdir"/usr/bin/
	cd "$pkgdir"
	for i in $(find usr/lib -name jc1 -o -name jvgenmain); do
		mkdir -p "$subpkgdir"/${i%/*}
		mv "$pkgdir"/$i "$subpkgdir"/$i || return 1
	done
	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/gcj-* \
		"$pkgdir"/usr/lib/libgcj*.so.* \
		"$pkgdir"/usr/lib/libgij.so.* \
		"$pkgdir"/usr/lib/logging.properties \
		"$pkgdir"/usr/lib/security \
		"$subpkgdir"/usr/lib/

	mkdir -p "$subpkgdir"/usr/share/
	mv "$pkgdir"/usr/share/java "$subpkgdir"/usr/share/
}
	
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
0f8692921c918ae6491857e5b00acc53  gcc-java-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
d7cd6a27c8801e66cbaa964a039ecfdb  ecj-latest.jar
ab090760506eb70aa4436a349c6bd788  09_all_gcc-4.5-Wtrampolines.patch
1c00bd9d12891a3e2311b32b98deb6fa  15_all_gcc-libgomp-no-werror.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
2c6cb49bb9bfd8b6e690222e66ccc901  boehem-gc-uclibc.patch"