# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

MY_PV=3.4.3
DESCRIPTION="ghdl Compiler"
SRC_URI="ftp://gcc.gnu.org/pub/gcc/releases/gcc-${MY_PV}/gcc-core-${MY_PV}.tar.bz2
	http://ghdl.free.fr/ghdl-${PV}.tar.bz2"
HOMEPAGE="http://ghdl.free.fr/"

DEPEND=""
SLOT="0"
KEYWORDS="~x86"
LICENSE="GPL-2"
IUSE=""

GCCBUILD="${WORKDIR}/gcc-${MY_PV}"

DEPEND="dev-lang/gnat"

CFLAGS="-O"

src_unpack() {
	unpack ${A}

	cp -r ${WORKDIR}/ghdl-${PV}/vhdl ${GCCBUILD}/gcc
	cd "${GCCBUILD}"

	patch ${GCCBUILD}/gcc/Makefile.in ${FILESDIR}/gccpatch || die "patch failed"
	patch ${GCCBUILD}/gcc/vhdl/Makefile.in ${FILESDIR}/ghdlpatch || die "patch failed"
}


src_compile() {
	# Configure gcc
	cd ${GCCBUILD}

	"${GCCBUILD}"/configure --prefix=/usr \
		--program-prefix="ghdl" \
		--enable-languages="vhdl" \
		--libdir=/usr/lib/ghdl \
		--libexecdir=/usr/lib/ghdl \
		--datadir=/usr/data/ghdl \
		|| die "configure failed"

	make || die "ghdl build"
}

src_install() {
	# Install ghdl, tools
	cd "${GCCBUILD}"
	#make prefix=${D}/usr \
		#libdir=${D}/usr/lib/ghdl \
		#libexecdir=${D}/usr/libexec/ghdl \
		#datadir=${D}/usr/data/ghdl \
		#install || die "died while installing"
	make install DESTDIR=${D} || die "died while installing"

}

pkg_postinst() {
	# reanalyze the libraries on the system
	local BPATH=${ROOT}usr/lib/ghdl/gcc/i686-pc-linux-gnu/3.4.3/vhdl

	local STD93SRCS="${BPATH}/src/std/textio.v93 \
	${BPATH}/src/std/textio_body.v93"

	local STD87SRCS="${BPATH}/src/std/textio.v87 \
	${BPATH}/src/std/textio_body.v87"

	local IEEE93SRCS="${BPATH}/src/ieee/std_logic_1164.v93 \
	${BPATH}/src/ieee/std_logic_1164_body.v93 \
	${BPATH}/src/ieee/numeric_bit.v93 \
	${BPATH}/src/ieee/numeric_bit-body.v93 \
	${BPATH}/src/ieee/numeric_std.v93 \
	${BPATH}/src/ieee/numeric_std-body.v93 \
	${BPATH}/src/vital2000/timing_p.vhdl \
	${BPATH}/src/vital2000/timing_b.vhdl \
	${BPATH}/src/vital2000/prmtvs_p.vhdl \
	${BPATH}/src/vital2000/prmtvs_b.vhdl \
	${BPATH}/src/vital2000/memory_p.vhdl \
	${BPATH}/src/vital2000/memory_b.vhdl"

	local IEEE87SRCS="${BPATH}/src/ieee/std_logic_1164.v87 \
	${BPATH}/src/ieee/std_logic_1164_body.v87 \
	${BPATH}/src/ieee/numeric_bit.v87 \
	${BPATH}/src/ieee/numeric_bit-body.v87 \
	${BPATH}/src/ieee/numeric_std.v87 \
	${BPATH}/src/ieee/numeric_std-body.v87 \
	${BPATH}/src/vital95/vital_timing.vhdl \
	${BPATH}/src/vital95/vital_timing_body.vhdl \
	${BPATH}/src/vital95/vital_primitives.vhdl \
	${BPATH}/src/vital95/vital_primitives_body.vhdl"

	local SYNSRCS="${BPATH}/src/synopsys/std_logic_arith.vhdl \
	${BPATH}/src/synopsys/std_logic_textio.vhdl \
	${BPATH}/src/synopsys/std_logic_unsigned.vhdl \
	${BPATH}/src/synopsys/std_logic_signed.vhdl \
	${BPATH}/src/synopsys/std_logic_misc.vhdl \
	${BPATH}/src/synopsys/std_logic_misc-body.vhdl"

	local MENTORSRCS="${BPATH}/src/mentor/std_logic_arith.vhdl \
	${BPATH}/src/mentor/std_logic_arith_body.vhdl"

	einfo ""
	einfo "Beginning re-analyze..."
	einfo ""

	for file in ${STD93SRCS}; do
		ghdl -a --bootstrap --work=std --std=93 --ieee=none \
		--workdir=${BPATH}/lib/v93/std $file || die "reanalyze failed";
	done

	for file in ${STD87SRCS}; do
		ghdl -a --bootstrap --work=std --std=87 --ieee=none \
		--workdir=${BPATH}/lib/v87/std $file || die "reanalyze failed";
	done

	for file in ${IEEE93SRCS}; do
		ghdl -a --bootstrap --work=ieee --ieee=none --std=93 \
		-P${BPATH}/lib/v93/std \
		--workdir=${BPATH}/lib/v93/ieee $file || die "reanalyze failed";
	done

	for file in ${IEEE87SRCS}; do
		ghdl -a --bootstrap --work=ieee --std=87 --ieee=none --std=87 \
		-P${BPATH}/lib/v87/std \
		--workdir=${BPATH}/lib/v87/ieee $file || die "reanalyze failed";
	done

	cp ${BPATH}/lib/v93/ieee/ieee-obj93.cf ${BPATH}/lib/v93/synopsys
	for file in ${SYNSRCS}; do
		ghdl -a -v --bootstrap --work=ieee --ieee=none --std=93 \
		-P${BPATH}/lib/v93/std \
		--workdir=${BPATH}/lib/v93/synopsys $file || die "reanalyze failed";
	done

	cp ${BPATH}/lib/v87/ieee/ieee-obj87.cf ${BPATH}/lib/v87/synopsys
	for file in ${SYNSRCS}; do
		ghdl -a -v --bootstrap --work=ieee --ieee=none --std=87 \
		-P${BPATH}/lib/v87/std \
		--workdir=${BPATH}/lib/v87/synopsys $file || die "reanalyze failed";
	done

	cp ${BPATH}/lib/v93/ieee/ieee-obj93.cf ${BPATH}/lib/v93/mentor
	for file in ${MENTORSRCS}; do
		ghdl -a -v --bootstrap --work=ieee --ieee=none --std=93 \
		-P${BPATH}/lib/v93/std \
		--workdir=${BPATH}/lib/v93/mentor $file || die "reanalyze failed";
	done
	
	# Notify the user what changed
	einfo ""
	einfo "The compiler has been installed as ghdl."
	einfo ""
}