# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils

DESCRIPTION="XGKS is an X11 window system based version of the ANSI Graphical Kernel System"
HOMEPAGE="http://xgks.sourceforge.net"
SRC_URI="mirror://sourceforge/xgks/${P}.tar.Z"
LICENSE="IBM"
SLOT="0"
KEYWORDS="~x86 ~amd64"
IUSE="doc"

DEPEND="doc? ( sys-apps/groff )"

src_unpack() {
	unpack "${A}"
	cd "${S}"/src
	cp "${FILESDIR}"/linux.m4 "${S}"/src/port/fortc/linux.m4
	epatch "${FILESDIR}"/patch-2.6.diff
}

src_compile() {
	cd "${S}"/src

	FC=`which g77`
	FC_IFC=`which ifc`
	FC=${FC:-${FC_IFC}}

	LD_X11="-L/usr/X11R6/lib -lX11"

	# Not quite sure why, but this is the only way that the
	# configure program noticed the FC and LD_X11 variables.
	FC="${FC}" LD_X11="${LD_X11}" econf --prefix="${D}"/usr || die

	# Had to make the make linear, otherwise the libxgks.a
	# wasn't ready.
	MAKEOPTS="" emake || die
}

src_install() {
	cd "${S}"/src
	make DESTDIR="{$D}" install || die "installation of library failed"

	dodoc COPYRIGHT HISTORY README 

	# man pages
	cd "${S}"/src/doc
	make DESTDIR="{$D}" install || die "man page install failed"
	cd "${S}"/src

	# extended documentation
	if use doc; then
		TMPME="doc/userdoc/userdoc.me"
		TMPDR="doc/userdoc"
		/usr/bin/groff -t -me "${TMPME}" > "${TMPDR}"/userdoc.ps
		/usr/bin/groff -t -me -T html "${TMPME}" > "${TMPDR}"/userdoc.html
		dohtml "${TMPDR}"/userdoc.html
		dodoc "${TMPDR}"/userdoc.ps
	fi
}