# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=gcc
pkgver=6.3.0
_pkgbase=6.3.0
_cross=""
[ "$BOOTSTRAP" = "noheaders" ] && pkgname="gcc-pass1"
[ "$BOOTSTRAP" = "nolibc" ] && pkgname="gcc-pass2"
[ "$CHOST" != "$CTARGET" ] && _cross="-$CTARGET_ARCH"

pkgname="$pkgname$_cross"
pkgrel=1
pkgdesc="The GNU Compiler Collection"
url="http://gcc.gnu.org"
arch="all"
license="GPL LGPL"
_gccrel=$pkgver-r$pkgrel
depends="binutils$_cross isl"
makedepends_build="paxmark bison flex texinfo gawk zip gmp-dev mpfr-dev mpc1-dev zlib-dev"
makedepends_host="linux-headers gmp-dev mpfr-dev mpc1-dev isl-dev zlib-dev !gettext-dev"
makedepends="$makedepends_build $makedepends_host"
subpackages=" "
[ "$CHOST" = "$CTARGET" ] && subpackages="gcc-doc$_cross"
replaces="libstdc++ binutils"

: ${LANG_CXX:=true}
: ${LANG_OBJC:=true}
: ${LANG_JAVA:=true}
: ${LANG_GO:=true}
: ${LANG_FORTRAN:=true}
: ${LANG_ADA:=true}

LIBGOMP=true
LIBGCC=true
LIBATOMIC=true
LIBITM=true

# omit-frame-pointner will break libgcc on aarch64
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71951
if [ "$CARCH" = aarch64 ]; then
	export CFLAGS=${CFLAGS//-fomit-frame-pointer/}
	export CXXFLAGS=${CXXFLAGS//-fomit-frame-pointer/}
	export CPPFLAGS=${CPPFLAGS//-fomit-frame-pointer/}
fi

if [ "$CHOST" != "$CTARGET" ]; then
	if [ "$BOOTSTRAP" ]; then
		LANG_CXX=false
		LANG_ADA=false
		LIBGCC=false
		_builddir="$srcdir/build-cross-pass2"
	else
		_builddir="$srcdir/build-cross-final"
	fi
	LANG_OBJC=false
	LANG_JAVA=false
	LANG_GO=false
	LANG_FORTRAN=false
	LIBGOMP=false
	LIBATOMIC=false
	LIBITM=false

	# reset target flags (should be set in crosscreate abuild)
	# fixup flags. seems gcc treats CPPFLAGS as global without
	# _FOR_xxx variants. wrap it in CFLAGS and CXXFLAGS.
	export CFLAGS="$CPPFLAGS $CFLAGS"
	export CXXFLAGS="$CPPFLAGS $CXXFLAGS"
	unset CPPFLAGS
	export CFLAGS_FOR_TARGET=" "
	export CXXFLAGS_FOR_TARGET=" "
	export LDFLAGS_FOR_TARGET=" "

	STRIP_FOR_TARGET="$CTARGET-strip"
elif [ "$CBUILD" != "$CHOST" ]; then
	# fixup flags. seems gcc treats CPPFLAGS as global without
	# _FOR_xxx variants. wrap it in CFLAGS and CXXFLAGS.
	export CFLAGS="$CPPFLAGS $CFLAGS"
	export CXXFLAGS="$CPPFLAGS $CXXFLAGS"
	unset CPPFLAGS

	# reset flags and cc for build
	export CC_FOR_BUILD="gcc"
	export CXX_FOR_BUILD="g++"
	export CFLAGS_FOR_BUILD=" "
	export CXXFLAGS_FOR_BUILD=" "
	export LDFLAGS_FOR_BUILD=" "
	export CFLAGS_FOR_TARGET=" "
	export CXXFLAGS_FOR_TARGET=" "
	export LDFLAGS_FOR_TARGET=" "

	# Languages that do not need bootstrapping
	LANG_OBJC=false
	LANG_JAVA=false
	LANG_GO=false
	LANG_FORTRAN=false

	STRIP_FOR_TARGET=${CROSS_COMPILE}strip
	_builddir="$srcdir/build-cross-native"
else
	STRIP_FOR_TARGET=${CROSS_COMPILE}strip
	_builddir="$srcdir/build"
fi

# Go needs {set,make,swap}context, unimplemented in musl
[ "$CTARGET_LIBC" = musl ] && LANG_GO=false

# libitm has TEXTRELs in ARM build, so disable for now
case "$CTARGET_ARCH" in
arm*)		LIBITM=false ;;
esac

# Fortran uses libquadmath if toolchain has __float128
# currently on x86, x86_64 and ia64
LIBQUADMATH=$LANG_FORTRAN
case "$CTARGET_ARCH" in
x86 | x86_64)	LIBQUADMATH=$LANG_FORTRAN ;;
*)		LIBQUADMATH=false ;;
esac

# libatomic is a dependency for openvswitch
$LIBATOMIC && subpackages="$subpackages libatomic::$CTARGET_ARCH"
$LIBGCC && subpackages="$subpackages libgcc::$CTARGET_ARCH"
$LIBQUADMATH && subpackages="$subpackages libquadmath::$CTARGET_ARCH"
if $LIBGOMP; then
	depends="$depends libgomp=$_gccrel"
	subpackages="$subpackages libgomp::$CTARGET_ARCH"
fi

_languages=c
if $LANG_CXX; then
	subpackages="$subpackages libstdc++:libcxx:$CTARGET_ARCH g++$_cross:gpp"
	_languages="$_languages,c++"
fi
if $LANG_OBJC; then
	subpackages="$subpackages libobjc::$CTARGET_ARCH gcc-objc$_cross:objc"
	_languages="$_languages,objc"
fi
if $LANG_JAVA; then
	subpackages="$subpackages libgcj::$CTARGET_ARCH gcc-java$_cross:java"
	_languages="$_languages,java"
fi
if $LANG_GO; then
	subpackages="$subpackages libgo::$CTARGET_ARCH gcc-go$_cross:go"
	_languages="$_languages,go"
fi
if $LANG_FORTRAN; then
	subpackages="$subpackages libgfortran::$CTARGET_ARCH gfortran$_cross:gfortran"
	_languages="$_languages,fortran"
fi
if $LANG_ADA; then
	subpackages="$subpackages libgnat::$CTARGET_ARCH gcc-gnat$_cross:gnat"
	_languages="$_languages,ada"
	makedepends="$makedepends gcc-gnat"
fi

source="ftp://gcc.gnu.org/pub/gcc/releases/gcc-${_pkgbase:-$pkgver}/gcc-${_pkgbase:-$pkgver}.tar.bz2
	ftp://sourceware.org/pub/java/ecj-4.9.jar

	001_all_default-ssp-strong.patch
	002_all_default-relro.patch
	003_all_default-fortify-source.patch
	005_all_default-as-needed.patch
	011_all_default-warn-format-security.patch
	012_all_default-warn-trampolines.patch
	020_all_msgfmt-libstdc++-link.patch
	050_all_libiberty-asprintf.patch
	051_all_libiberty-pic.patch
	053_all_libitm-no-fortify-source.patch
	067_all_gcc-poison-system-directories.patch
	090_all_pr55930-dependency-tracking.patch

	201-cilkrts.patch
	202-posix_memalign.patch
	203-libgcc_s.patch
	204-linux_libc_has_function.patch
	205-nopie.patch
	207-static-pie.patch

	libgcc-always-build-gcceh.a.patch
	libada-cross-shared.patch
	gcc-4.9-musl-fortify.patch
	gcc-6.1-musl-libssp.patch
	boehm-gc-musl.patch
	gcc-pure64.patch
	fix-gcj-stdgnu14-link.patch
	fix-gcj-musl.patch
	fix-gcj-iconv-musl.patch

	gcc-4.8-build-args.patch
	fix-cxxflags-passing.patch
	ada-fixes.patch
	ada-shared.patch
	ada-musl.patch

	300-main-gcc-add-musl-s390x-dynamic-linker.patch
	"

# we build out-of-tree
_gccdir="$srcdir"/gcc-${_pkgbase:-$pkgver}
_gcclibdir=/usr/lib/gcc/${CTARGET}/$pkgver
_gcclibexec=/usr/libexec/gcc/${CTARGET}/$pkgver

prepare() {
	cd "$_gccdir"

	_err=
	for i in $source; do
		case "$i" in
		*.patch)
			msg "Applying $i"
			patch -p1 -F3 -i "$srcdir"/$i || _err="$_err $i"
			;;
		esac
	done

	if [ -n "$_err" ]; then
		error "The following patches failed:"
		for i in $_err; do
			echo "  $i"
		done
		return 1
	fi

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

	echo ${pkgver} > gcc/BASE-VER
}

build() {
	local _arch_configure=
	local _libc_configure=
	local _cross_configure=
	local _bootstrap_configure=
	local _symvers=

	cd "$_gccdir"

	# temp disable boostrap for aarch64 see bug:
	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71989
	case "$CTARGET" in
	aarch64-*-*-*)		_arch_configure="--with-arch=armv8-a --with-abi=lp64 --disable-bootstrap";;
	armv6-*-*-*eabihf)	_arch_configure="--with-arch=armv6zk --with-tune=arm1176jzf-s --with-fpu=vfp --with-float=hard --with-abi=aapcs-linux";;
	armv7-*-*-*eabihf)	_arch_configure="--with-arch=armv7-a --with-tune=generic-armv7-a --with-fpu=vfpv3-d16 --with-float=hard --with-abi=aapcs-linux --with-mode=thumb";;
	mipsel-*-*-*)		_arch_configure="--with-arch-32=mips2 --with-tune-32=mips32 --with-fp-32=32 --with-mips-plt --with-float=hard --with-abi=32";;
	i486-*-*-*)		_arch_configure="--with-arch=i486 --with-tune=generic --enable-cld";;
	i586-*-*-*)		_arch_configure="--with-arch=i586 --with-tune=generic --enable-cld";;
	s390x-*-*-*)		_arch_configure="--with-arch=z196 --with-tune=zEC12 --with-zarch --with-long-double-128 --enable-decimal-float";;
	esac

	case "$CTARGET_LIBC" in
	musl)
		# musl does not support mudflap, or libsanitizer
		# libmpx uses secure_getenv and struct _libc_fpstate not present in musl
		# alpine musl provides libssp_nonshared.a, so we don't need libssp either
		_libc_configure="--disable-libssp --disable-libmpx --disable-libmudflap --disable-libsanitizer"
		_symvers="--disable-symvers"
		export libat_cv_have_ifunc=no
		;;
	esac

	[ "$CBUILD" != "$CHOST"   ] && _cross_configure="--disable-bootstrap"
	[ "$CHOST"  != "$CTARGET" ] && _cross_configure="--disable-bootstrap --with-sysroot=$CBUILDROOT"

	case "$BOOTSTRAP" in
	noheaders)
		_bootstrap_configure="--with-newlib --without-headers --disable-shared --enable-threads=no"
		;;
	nolibc)
		_bootstrap_configure="--with-newlib --disable-shared --enable-threads=no"
		;;
	*)
		_bootstrap_configure="--enable-shared --enable-threads --enable-tls"
		;;
	esac

	$LIBGOMP	|| _bootstrap_configure="$_bootstrap_configure --disable-libgomp"
	$LIBATOMIC	|| _bootstrap_configure="$_bootstrap_configure --disable-libatomic"
	$LIBITM		|| _bootstrap_configure="$_bootstrap_configure --disable-libitm"
	$LIBQUADMATH	|| _arch_configure="$_arch_configure --disable-libquadmath"

	msg "Building the following:"
	echo ""
	echo "  CBUILD=$CBUILD"
	echo "  CHOST=$CHOST"
	echo "  CTARGET=$CTARGET"
	echo "  CTARGET_ARCH=$CTARGET_ARCH"
	echo "  CTARGET_LIBC=$CTARGET_LIBC"
	echo "  languages=$_languages"
	echo "  arch_configure=$_arch_configure"
	echo "  libc_configure=$_libc_configure"
	echo "  cross_configure=$_cross_configure"
	echo "  bootstrap_configure=$_bootstrap_configure"
	echo ""

	mkdir -p "$_builddir"
	cd "$_builddir"
	"$_gccdir"/configure --prefix=/usr \
		--mandir=/usr/share/man \
		--infodir=/usr/share/info \
		--build=${CBUILD} \
		--host=${CHOST} \
		--target=${CTARGET} \
		--with-pkgversion="Alpine ${pkgver}" \
		--enable-checking=release \
		--disable-fixed-point \
		--disable-libstdcxx-pch \
		--disable-multilib \
		--disable-nls \
		--disable-werror \
		$_symvers \
		--enable-__cxa_atexit \
		--enable-default-pie \
		--enable-cloog-backend \
		--enable-languages=$_languages \
		$_arch_configure \
		$_libc_configure \
		$_cross_configure \
		$_bootstrap_configure \
		--with-system-zlib \
		--with-linker-hash-style=gnu \
		|| return 1

	make || return 1
}

package() {
	cd "$_builddir"
	make -j1 DESTDIR="${pkgdir}" install || return 1

	ln -s gcc "$pkgdir"/usr/bin/cc

	# 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

	# strip debug info from some static libs
	${STRIP_FOR_TARGET} -g `find "$pkgdir" \( -name libgfortran.a -o -name libobjc.a -o -name libgomp.a \
		-o -name libmudflap.a -o -name libmudflapth.a \
		-o -name libgcc.a -o -name libgcov.a -o -name libquadmath.a \
		-o -name libitm.a -o -name libgo.a -o -name libcaf\*.a \
		-o -name libatomic.a -o -name libasan.a -o -name libtsan.a \) \
		-a -type f` || return 1

	if $LANG_JAVA; then
		sed -i -e 's/lib: /&%{static:%eJava programs cannot be linked statically}/' \
			"$pkgdir"/usr/lib/libgcj.spec
	fi

	if $LIBGOMP; then
		mv "$pkgdir"/usr/lib/libgomp.spec "$pkgdir"/$_gcclibdir || return 1
	fi
	if $LIBITM; then
		mv "$pkgdir"/usr/lib/libitm.spec "$pkgdir"/$_gcclibdir || return 1
	fi

	# remove ffi
	rm -f "$pkgdir"/usr/lib/libffi* "$pkgdir"/usr/share/man/man3/ffi*
	find "$pkgdir" -name 'ffi*.h' | xargs rm -f

	mkdir -p "$pkgdir"/usr/share/gdb/python/auto-load/usr/lib
	mv "$pkgdir"/usr/lib/*-gdb.py \
		"$pkgdir"/usr/share/gdb/python/auto-load/usr/lib/

	paxmark -pmrs "$pkgdir"/$_gcclibexec/cc1 || return 1

	# move ada runtime libs
	if $LANG_ADA; then
		for i in $(find "$pkgdir"/$_gcclibdir/adalib/ -type f -maxdepth 1 -name "libgna*.so"); do
			mv "$i" "$pkgdir"/usr/lib/ || return 1
			ln -s ../../../../${i##*/} $i || return 1
		done
	fi

	if [ "$CHOST" != "$CTARGET" ]; then
		# cross-gcc: remove any files that would conflict with the
		# native gcc package
		rm -rf "$pkgdir"/usr/bin/cc "$pkgdir"/usr/include "$pkgdir"/usr/share
		# libcc1 does not depend on target, don't ship it
		rm -rf "$pkgdir"/usr/lib/libcc1.so*

		# fixup gcc library symlinks to be linker scripts so
		# linker finds the libs from relocated sysroot
		for so in "$pkgdir"/usr/$CTARGET/lib/*.so; do
			if [ -h "$so" ]; then
				local _real=$(basename $(readlink "$so"))
				rm -f "$so"
				echo "GROUP ($_real)" > "$so"
			fi
		done
	fi
}

libatomic() {
	pkgdesc="GCC Atomic library"
	depends=
	replaces="gcc"

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/${_cross:+$CTARGET/}lib/libatomic.so.* "$subpkgdir"/usr/lib/ || \
		return 1
}

libcxx() {
	pkgdesc="GNU C++ standard runtime library"
	depends=

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/${_cross:+$CTARGET/}lib/libstdc++.so.* "$subpkgdir"/usr/lib/ || \
		return 1
}

gpp() {
	pkgdesc="GNU C++ standard library and compiler"
	depends="libstdc++=$_gccrel gcc=$_gccrel libc-dev"
	mkdir -p "$subpkgdir/$_gcclibexec" \
		"$subpkgdir"/usr/bin \
		"$subpkgdir"/usr/${_cross:+$CTARGET/}include \
		"$subpkgdir"/usr/${_cross:+$CTARGET/}lib \

	mv "$pkgdir/$_gcclibexec/cc1plus" "$subpkgdir/$_gcclibexec/"
	paxmark -pmrs "$subpkgdir/$_gcclibexec/cc1plus" || return 1

	mv "$pkgdir"/usr/${_cross:+$CTARGET/}lib/*++* "$subpkgdir"/usr/${_cross:+$CTARGET/}lib/ || return 1
	mv "$pkgdir"/usr/${_cross:+$CTARGET/}include/c++ "$subpkgdir"/usr/${_cross:+$CTARGET/}include/ || return 1
	mv "$pkgdir"/usr/bin/*++ "$subpkgdir"/usr/bin/ || return 1
}

libobjc() {
	pkgdesc="GNU Objective-C runtime"
	replaces="objc"
	depends=
	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/${_cross:+$CTARGET/}lib/libobjc.so.* "$subpkgdir"/usr/lib/
}

objc() {
	pkgdesc="GNU Objective-C"
	replaces="gcc"
	depends="libc-dev gcc=$_gccrel libobjc=$_gccrel"

	mkdir -p "$subpkgdir"/$_gcclibdir/include \
		"$subpkgdir"/usr/lib \
		|| return 1
	mv "$pkgdir"/$_gcclibdir/include/objc "$subpkgdir"/$_gcclibdir/include/ \
		|| return 1
	mv "$pkgdir"/usr/lib/libobjc.so "$pkgdir"/usr/lib/libobjc.a \
		"$subpkgdir"/usr/lib/ || return 1
}

libgcc() {
	pkgdesc="GNU C compiler runtime libraries"
	depends=

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/${_cross:+$CTARGET/}lib/libgcc_s.so.* "$subpkgdir"/usr/lib/ || \
		return 1
}

libgomp() {
	pkgdesc="GCC shared-memory parallel programming API library"
	depends=
	replaces="gcc"

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/${_cross:+$CTARGET/}lib/libgomp.so.* "$subpkgdir"/usr/lib/
}

java() {
	pkgdesc="Java support for GCC"
	depends="zlib-dev gcc=$_gccrel libgcj=$_gccrel"

	paxmark -pm "$pkgdir"/$_gcclibexec/ecj1 || return 1
	mkdir -p "$subpkgdir"/usr/bin "$subpkgdir"/usr/lib "$subpkgdir"/$_gcclibdir/
	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"/$i || return 1
	done
	for i in "$pkgdir"/usr/lib/libgcj*.so; do
		if [ -L "$i" ]; then
			mv "$i" "$subpkgdir"/usr/lib/ || return 1
		fi
	done
	mv "$pkgdir"/usr/lib/libgij.so "$subpkgdir"/usr/lib/ || return 1
	mv "$pkgdir"/usr/lib/libgcj.spec "$subpkgdir"/$_gcclibdir/ || return 1
}

libgcj() {
	pkgdesc="Java runtime library for gcc"
	# libgcj_bc.so moved from gcc-java to libgcj
	replaces="gcc-java"
	depends=

	mkdir -p "$subpkgdir"/usr/bin
	cd "$pkgdir"/usr/bin
	paxmark -pmse "$pkgdir"/usr/bin/gij || return 1
	mv aot-compile gappletviewer gc-analyze gij gjar gjarsigner gkeytool\
		gnative2ascii gorbd grmic grmid grmiregistry gserialver \
		gtnameserv jv-convert rebuild-gcj-db \
		"$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_bc.so \
		"$pkgdir"/usr/lib/libgcj*.so.* \
		"$pkgdir"/usr/lib/libgij.so.* \
		"$pkgdir"/usr/lib/logging.properties \
		"$pkgdir"/usr/lib/security \
		"$subpkgdir"/usr/lib/ \
		|| return 1

	mkdir -p "$subpkgdir"/usr/share/
	mv "$pkgdir"/usr/share/java "$subpkgdir"/usr/share/
}

libgo() {
	pkgdesc="Go runtime library for GCC"
	depends=

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libgo.so.* "$subpkgdir"/usr/lib/
}

go() {
	pkgdesc="Go support for GCC"
	depends="gcc=$_gccrel libgo=$_gccrel"

	mkdir -p "$subpkgdir"/$_gcclibexec \
		"$subpkgdir"/usr/lib \
		"$subpkgdir"/usr/bin || return 1
	mv "$pkgdir"/usr/lib/go "$subpkgdir"/usr/lib/ || return 1
	mv "$pkgdir"/usr/bin/*gccgo "$subpkgdir"/usr/bin/ || return 1
	mv "$pkgdir"/$_gcclibexec/go1 "$subpkgdir"/$_gcclibexec/ || return 1
	mv "$pkgdir"/usr/lib/libgo.a \
		"$pkgdir"/usr/lib/libgo.so \
		"$pkgdir"/usr/lib/libgobegin.a \
		"$subpkgdir"/usr/lib/ || return 1
}

libgfortran() {
	pkgdesc="Fortran runtime library for GCC"
	depends=

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libgfortran.so.* "$subpkgdir"/usr/lib/
}

libquadmath() {
	replaces="gcc"
	pkgdesc="128-bit math library for GCC"
	depends=

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libquadmath.so.* "$subpkgdir"/usr/lib/
}

gfortran() {
	pkgdesc="GNU Fortran Compiler"
	depends="gcc=$_gccrel libgfortran=$_gccrel"
	$LIBQUADMATH && depends="$depends libquadmath=$_gccrel"
	replaces="gcc"

	mkdir -p "$subpkgdir"/$_gcclibexec \
		"$subpkgdir"/$_gcclibdir \
		"$subpkgdir"/usr/lib \
		"$subpkgdir"/usr/bin || return 1
	mv "$pkgdir"/usr/bin/*gfortran "$subpkgdir"/usr/bin/ || return 1
	mv "$pkgdir"/usr/lib/libgfortran.a \
		"$pkgdir"/usr/lib/libgfortran.so \
		"$subpkgdir"/usr/lib/ || return 1
	if $LIBQUADMATH; then
		mv "$pkgdir"/usr/lib/libquadmath.a \
			"$pkgdir"/usr/lib/libquadmath.so \
			"$subpkgdir"/usr/lib/ || return 1
	fi
	mv "$pkgdir"/$_gcclibexec/f951 "$subpkgdir"/$_gcclibexec || return 1
	mv "$pkgdir"/usr/lib/libgfortran.spec "$subpkgdir"/$_gcclibdir || return 1
}

libgnat() {
	pkgdesc="GNU Ada runtime shared libraries"
	depends=

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libgna*.so "$subpkgdir"/usr/lib/
}

gnat() {
	pkgdesc="Ada support for GCC"
	depends="gcc=$_gccrel"
	[ "$CHOST" = "$CTARGET" ] && depends="$depends libgnat=$_gccrel"

	mkdir -p "$subpkgdir"/$_gcclibexec \
		"$subpkgdir"/$_gcclibdir \
		"$subpkgdir"/usr/bin \
		|| return 1
	mv "$pkgdir"/$_gcclibexec/*gnat* "$subpkgdir"/$_gcclibexec/ \
		|| return 1
	mv "$pkgdir"/$_gcclibdir/*ada* "$subpkgdir"/$_gcclibdir/ || return 1
	mv "$pkgdir"/usr/bin/*gnat* "$subpkgdir"/usr/bin/ || return 1
}

md5sums="677a7623c7ef6ab99881bc4e048debb6  gcc-6.3.0.tar.bz2
7339f199ba11c941890031fd9981d7be  ecj-4.9.jar
3634a8f58065805809273b105071c1f3  001_all_default-ssp-strong.patch
28ca9eac639e88869ac975d593ff7a89  002_all_default-relro.patch
b7235f279097e28295b6bbaa0804302f  003_all_default-fortify-source.patch
50cb4d5fa4f66b2192c0bfa22b2a3433  005_all_default-as-needed.patch
614776347743e17651c778f1c6a9fa2e  011_all_default-warn-format-security.patch
55afcb3f072a6ffaff8ce03f310ae57f  012_all_default-warn-trampolines.patch
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