# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-lang/dmd-bin/dmd-bin-2.008-r1.ebuild,v 1.5 2009/08/23 01:57:40 williamh Exp $

EAPI="3"

inherit eutils

MY_P=${P/-bin/}
MY_P=${MY_P/-/.}

DESCRIPTION="Digital Mars D Compiler"
HOMEPAGE="http://www.digitalmars.com/d/"
SRC_URI="http://ftp.digitalmars.com/${MY_P}.zip"

IUSE="multilib"
LICENSE="DMD"
RESTRICT="mirror strip"
SLOT="0"
KEYWORDS="~amd64 ~x86"

LOC="/opt/dmd"
S="${WORKDIR}"

DEPEND="sys-apps/findutils
	app-arch/unzip
	amd64? ( sys-devel/gcc[multilib] )"

RDEPEND="amd64? ( sys-devel/gcc[multilib] )"


src_unpack() {
	unpack ${A}

	# Cleanup line endings
	cd "${S}/dmd2"
	edos2unix `find . -name '*.c' -type f`
	edos2unix `find . -name '*.d' -type f`
	edos2unix `find . -name '*.ddoc' -type f`
	edos2unix `find . -name '*.h' -type f`
	edos2unix `find . -name '*.mak' -type f`
	edos2unix `find . -name '*.txt' -type f`
	edos2unix `find samples -name '*.html' -type f`
	edos2unix src/dmd/linux.mak src/phobos/linux.mak src/phobos/etc/c/zlib/linux.mak

	# Fix permissions and clean up
	fperms guo=r,u+w `find . -type f`
	fperms guo=rx,u+w `find . -type d`
	fperms guo=rx,u+w linux/bin/dmd linux/bin/dumpobj linux/bin/obj2asm linux/bin/rdmd

	epatch "${FILESDIR}/${P}.patch"
	epatch "${FILESDIR}/${P}-64bit.patch"
}

src_compile() {
	# druntime need to be build for 64bit
	cd "${S}/dmd2/src/druntime"
	rm -rf lib
	mkdir -p lib32 lib64
	sed -i -e "s:DMD=.*:DMD=${S}/dmd2/linux/bin/dmd:" posix.mak
	if use x86 || use amd64 && use multilib; then
		make -f posix.mak MODEL=32 || die "Failed to build druntime 32bit"
	fi
	if use amd64; then
		make -f posix.mak MODEL=64 || die "Failed to build druntime 64bit"
	fi

	# Don't use teh bundled library since on gentoo we do teh compile
	cd "${S}/dmd2/src/phobos"
	sed -i -e "s:DMD=.*:DMD=${S}/dmd2/linux/bin/dmd:" linux.mak etc/c/zlib/linux.mak
	# Can't use emake, customized build system
	if use x86 || use amd64 && use multilib; then
		make -f linux.mak MODEL=32 || die "Failed to build phobos2 32bit"
		cp generated/posix/release32/libphobos2.a "${S}/dmd2/linux/lib32/" || die
	fi
	if use amd64; then
		make -f linux.mak MODEL=64 || die "Failed to build phobos2 64bit"
		cp generated/posix/release64/libphobos2.a "${S}/dmd2/linux/lib64/" || die
	fi

	# Clean up
	make -f linux.mak clean
}

src_install() {
	cd "${S}/dmd2"

	sed -i.orig -e 's|%@P%/../../src/|/opt/dmd/src/|g;s|%@P%/../lib|/opt/dmd/lib|g' "linux/bin/dmd.conf"
	insinto /etc
	doins linux/bin/dmd.conf

	# Man pages
	doman man/man1/dmd.1
	doman man/man1/dmd.conf.5
	doman man/man1/dumpobj.1
	doman man/man1/obj2asm.1
	doman man/man1/rdmd.1

	# Documentation
	dohtml -r html/d/*

	# Install
	exeinto /opt/dmd/bin
	doexe linux/bin/dmd
	doexe linux/bin/dumpobj
	doexe linux/bin/obj2asm
	doexe linux/bin/rdmd

	if use x86 || use amd64 && use multilib; then
		insinto /opt/dmd/lib32
		doins linux/lib32/libphobos2.a
	fi
	if use amd64; then
		insinto /opt/dmd/lib64
		doins linux/lib64/libphobos2.a
	fi

	insinto /opt/dmd/samples
	doins samples/d/*

	# Phobos and DMD source
	mv src "${D}/opt/dmd/"

	# Set PATH
	doenvd "${FILESDIR}/25dmd"
}

pkg_postinst () {
	ewarn "You may need to run:                             "
	ewarn "env-update && source /etc/profile                "
	ewarn "to be able to use the compiler immediately.      "
	einfo "                                                 "
	einfo "The bundled samples and sources may be found in  "
	einfo "/opt/dmd/samples and /opt/dmd/src respectively.  "
	einfo "                                                 "
}