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# Copyright 1999-2017 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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EAPI=6
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inherit autotools elisp-common
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# C-INTERCAL uses minor-major ordering of version components and
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# negative version numbers. We map version components -1, -2, ...
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# to 65535, 65534, ..., and subtract one from the next component.
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# For example, upstream version 0.28 is mapped to Gentoo version 28.0
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# and 0.-2.0.29 is mapped to 28.65535.65534.0.
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get_intercal_version() {
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local i=.${1:-${PV}} j k c=0
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while [[ ${i} ]]; do
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(( k = ${i##*.} + c ))
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(( (c = (k >= 32768)) && (k -= 65536) ))
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i=${i%.*}
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j=${j}.${k}
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done
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echo ${j#.}
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}
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MY_PN="${PN#c-}"
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MY_PV="$(get_intercal_version)"
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DESCRIPTION="C-INTERCAL - INTERCAL to binary (via C) compiler"
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HOMEPAGE="http://www.catb.org/~esr/intercal/"
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SRC_URI="http://www.catb.org/~esr/intercal/${MY_PN}-${MY_PV}.tar.gz"
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LICENSE="GPL-2+ FDL-1.2+"
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SLOT="0"
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KEYWORDS="~amd64 ~x86"
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IUSE="emacs examples"
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RDEPEND="emacs? ( virtual/emacs )"
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DEPEND="${RDEPEND}
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sys-devel/flex
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virtual/yacc"
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S="${WORKDIR}/${MY_PN}-${MY_PV}"
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SITEFILE="50${PN}-gentoo.el"
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src_prepare() {
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eapply "${FILESDIR}"/${P}-version.patch
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eapply "${FILESDIR}"/${P}-yywrap.patch
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eapply_user
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eautoreconf
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}
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src_compile() {
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emake
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if use emacs; then
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elisp-compile etc/intercal.el
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fi
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}
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src_install() {
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emake DESTDIR="${D}" install
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dodoc BUGS NEWS HISTORY README doc/THEORY.txt
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if use emacs; then
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elisp-install ${PN} etc/intercal.{el,elc}
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elisp-site-file-install "${FILESDIR}/${SITEFILE}"
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fi
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if use examples; then
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insinto /usr/share/doc/${PF}
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doins -r pit
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fi
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}
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pkg_postinst() {
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use emacs && elisp-site-regen
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}
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pkg_postrm() {
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use emacs && elisp-site-regen
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}
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