# Copyright 1999-2004 Gentoo Foundation
# Copyleft 2006 Honza Macháèek
# Distributed under the terms of the GNU General Public License v2

inherit eutils

DESCRIPTION="Fortran 95 compiler"
HOMEPAGE="http://www.g95.org/"

MY_DIST_VERSION="v${PV}"
# tarballs live in /v0.9/ etc
MY_PROG_VERSION="${PV}0"
# file names are 0.90 etc
MY_GCC_VERSION="4.1.1"
MY_GCC_MAJOR=${MY_GCC_VERSION%.*}
#the gcc we need to compile with

SRC_URI="http://ftp.g95.org/${MY_DIST_VERSION}/g95_source.tgz
         mirror://gnu/gcc/gcc-${MY_GCC_MAJOR}/gcc-${MY_GCC_VERSION}.tar.bz2"
LICENSE="GPL-2 ?"
SLOT="0"

# Should work on x86, at least
KEYWORDS="~x86 ~amd64"
IUSE=""

DEPEND=""

src_unpack() {
	pushd "${WORKDIR}"
	unpack "gcc-${MY_GCC_VERSION}.tar.bz2"
	unpack "g95_source.tgz"
	cd "g95-${MY_PROG_VERSION}"
	mv -f "libf95.a-${MY_PROG_VERSION}.tar.gz" "${DISTDIR}"
	unpack "libf95.a-${MY_PROG_VERSION}.tar.gz"
	epatch "${FILESDIR}/g95-${PV}-destdir.patch"
}

src_compile() {
	CFLAGS_SAVE=${CFLAGS}; CXXFLAGS_SAVE=${CXXFLAGS}
	mkdir "${WORKDIR}/gcc-${MY_GCC_VERSION}/g95"
	cd "${WORKDIR}/gcc-${MY_GCC_VERSION}/g95"
	ln -s ../configure .
	econf --enable-languages=c || die "configure gcc failed"
	emake || die "emake gcc failed"
	cd "${WORKDIR}/g95-${MY_PROG_VERSION}"
	econf --with-gcc-dir="${WORKDIR}/gcc-${MY_GCC_VERSION}" \
	  || die "configure g95 failed"
	emake || die "emake g95 failed"
	cd "${WORKDIR}/g95-${MY_PROG_VERSION}/libf95.a-${MY_PROG_VERSION}"
	econf --with-gcc-dir="${WORKDIR}/gcc-${MY_GCC_VERSION}" \
	  || die "configure libf95 failed"
	emake || die "emake libf95 failed"
}

src_install() {
	cd "${WORKDIR}/g95-${MY_PROG_VERSION}"
	make install DESTDIR="${D}"
	#we don't want a lot of the gcc stuff we get given as it's in the
	#system already
	rm -rf "${D}/usr/local/lib/"
	mv "${D}/usr/local/share/doc/g95-0.50" "${D}/usr/local/share/doc/g95-${PV}"
	#fix a broken docs install - still called 0.50!
	cd "${WORKDIR}/g95-${MY_PROG_VERSION}/libf95.a-${MY_PROG_VERSION}"
	make install DESTDIR="${D}"
}