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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit flag-o-matic eutils
DESCRIPTION="A general-purpose (yacc-compatible) parser generator"
HOMEPAGE="https://www.gnu.org/software/bison/"
SRC_URI="mirror://gnu/${PN}/${P}.tar.xz
https://dev.gentoo.org/~mgorny/dist/${P}-patchset.tar.xz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~ppc-aix ~x64-cygwin ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~amd64-linux ~arm-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="examples nls static test"
RDEPEND=">=sys-devel/m4-1.4.16"
DEPEND="${RDEPEND}
sys-devel/flex
examples? ( dev-lang/perl )
nls? ( sys-devel/gettext )
test? ( dev-lang/perl )"
DOCS=( AUTHORS ChangeLog-2012 NEWS README THANKS TODO ) # ChangeLog-1998 PACKAGING README-alpha README-release
src_prepare() {
epatch "${WORKDIR}"/${P}-patchset/${P}-optional-perl.patch #538300
epatch "${WORKDIR}"/${P}-patchset/${P}-darwin17-printf-n.patch #632500
epatch "${WORKDIR}"/${P}-patchset/${P}-fix-tests-gcc-7.patch #638308
# The makefiles make the man page depend on the configure script
# which we patched above. Touch it to prevent regeneration.
touch doc/bison.1 #548778 #538300#9
# Avoid regenerating the info page when the timezone is diff. #574492
sed -i '2iexport TZ=UTC' build-aux/mdate-sh || die
}
src_configure() {
use static && append-ldflags -static
# We don't need perl unless we run tests.
use test || export ac_cv_path_PERL=true
econf \
--docdir='$(datarootdir)'/doc/${PF} \
$(use_enable examples) \
$(use_enable nls)
}
src_install() {
default
# This one is installed by dev-util/yacc
mv "${ED}"/usr/bin/yacc{,.bison} || die
mv "${ED}"/usr/share/man/man1/yacc{,.bison}.1 || die
# We do not need liby.a
rm -r "${ED}"/usr/lib* || die
# Move to documentation directory and leave compressing for EAPI>=4
mv "${ED}"/usr/share/${PN}/README "${ED}"/usr/share/doc/${PF}/README.data
}
pkg_postinst() {
local f="${EROOT}/usr/bin/yacc"
if [[ ! -e ${f} ]] ; then
ln -s yacc.bison "${f}"
fi
}
pkg_postrm() {
# clean up the dead symlink when we get unmerged #377469
local f="${EROOT}/usr/bin/yacc"
if [[ -L ${f} && ! -e ${f} ]] ; then
rm -f "${f}"
fi
}
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