# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit fortran-2 toolchain-funcs

DESCRIPTION="PMEL fork of XGKS, an X11-based version of the ANSI Graphical Kernel System"
HOMEPAGE="http://www.gentoogeek.org/viewvc/Linux/xgks-pmel/"
SRC_URI="http://www.gentoogeek.org/files/${P}.tar.gz"

LICENSE="UCAR-Unidata"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~ppc64 ~x86"
IUSE="doc"

RDEPEND="x11-libs/libX11"
DEPEND="${RDEPEND}"
BDEPEND="
	sys-devel/flex
	sys-apps/groff"

PATCHES=( "${FILESDIR}"/aclocal.patch )

src_configure() {
	sed -i -e "s:lib64:$(get_libdir):g" port/master.mk.in \
		fontdb/Makefile.in || die

	CFLAGS="${CFLAGS}" LD_X11='-L/usr/$(get_libdir) -lX11' \
		FC="$(tc-getFC)" CC="$(tc-getCC)" OS=linux \
		./configure --prefix=/usr --exec_prefix=/usr/bin \
		|| die
}

src_compile() {
	sed -i -e "s:port/all port/install:port/all:g" Makefile \
		|| die

	# Fails parallel build, bug #295724
	emake -j1
	emake -C src/fortran -j1
}

src_install() {
	pushd progs >/dev/null || die
	local tool
	for tool in defcolors font mi pline pmark; do
		newbin ${tool} xgks-${tool}
	done
	popd >/dev/null || die

	dolib.a src/lib/libxgks.a

	dodoc COPYRIGHT HISTORY README
	doman doc/{xgks.3,xgks_synop.3}
	if use doc; then
		newdoc doc/binding/cbinding.me cbinding
		newdoc doc/userdoc/userdoc.me userdoc

		docinto examples
		dodoc progs/{hanoi.c,star.f}
	fi

	insinto /usr/include/xgks
	doins src/lib/gks*.h
	doins src/lib/gksm/gksm*.h
	doins src/fortran/f*.h
	doins src/lib/w*.h
	doins src/lib/{input.h,metafile.h,polylines.h,polymarkers.h,text.h}

	insinto /usr/include
	doins src/lib/xgks.h
	doins port/udposix.h

	insinto /usr/share/xgksfonts
	doins fontdb/{[1-9],*.gksfont}
}