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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI=6
inherit autotools elisp-common
# C-INTERCAL uses minor-major ordering of version components and
# negative version numbers. We map version components -1, -2, ...
# to 65535, 65534, ..., and subtract one from the next component.
# For example, upstream version 0.28 is mapped to Gentoo version 28.0
# and 0.-2.0.29 is mapped to 28.65535.65534.0.
get_intercal_version() {
local i=.${1:-${PV}} j k c=0
while [[ ${i} ]]; do
(( k = ${i##*.} + c ))
(( (c = (k >= 32768)) && (k -= 65536) ))
i=${i%.*}
j=${j}.${k}
done
echo ${j#.}
}
MY_PN="${PN#c-}"
MY_PV="$(get_intercal_version)"
DESCRIPTION="C-INTERCAL - INTERCAL to binary (via C) compiler"
HOMEPAGE="http://www.catb.org/~esr/intercal/"
SRC_URI="http://www.catb.org/~esr/intercal/${MY_PN}-${MY_PV}.tar.gz"
LICENSE="GPL-2+ FDL-1.2+"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="emacs examples"
DEPEND="emacs? ( virtual/emacs )"
RDEPEND="${DEPEND}"
S="${WORKDIR}/${MY_PN}-${MY_PV}"
SITEFILE="50${PN}-gentoo.el"
src_prepare() {
eapply "${FILESDIR}"/${P}-version.patch
eapply_user
eautoreconf
}
src_compile() {
emake
if use emacs; then
elisp-compile etc/intercal.el
fi
}
src_install() {
emake DESTDIR="${D}" install
dodoc BUGS NEWS HISTORY README doc/THEORY.txt
if use emacs; then
elisp-install ${PN} etc/intercal.{el,elc}
elisp-site-file-install "${FILESDIR}/${SITEFILE}"
fi
if use examples; then
insinto /usr/share/doc/${PF}
doins -r pit
fi
}
pkg_postinst() {
use emacs && elisp-site-regen
}
pkg_postrm() {
use emacs && elisp-site-regen
}
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