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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit flag-o-matic
DESCRIPTION="A general-purpose (yacc-compatible) parser generator"
HOMEPAGE="https://www.gnu.org/software/bison/"
SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="examples nls static test"
RESTRICT="!test? ( test )"
# gettext _IS_ required in RDEPEND because >=bison-3.7 links against
# libtextstyle.so!!! (see bug #740754)
DEPEND="
>=sys-devel/m4-1.4.16
>=sys-devel/gettext-0.21
"
RDEPEND="${DEPEND}"
BDEPEND="
sys-devel/flex
test? ( dev-lang/perl )
"
DOCS=( AUTHORS ChangeLog NEWS README THANKS TODO ) # ChangeLog-2012 ChangeLog-1998 PACKAGING README-alpha README-release
src_prepare() {
# Old logic when we needed to patch configure.ac
# Keeping in case it's useful for future
# Record date to avoid 'config.status --recheck' & regen of 'tests/package.m4'
#touch -r configure.ac old.configure.ac || die
#touch -r configure old.configure || die
#eapply "${WORKDIR}"/patches
#default
# Restore date after patching
#touch -r old.configure.ac configure.ac || die
#touch -r old.configure configure || die
# The makefiles make the man page depend on the configure script
# which we patched above. Touch it to prevent regeneration.
#touch doc/bison.1 || die #548778 #538300#9
default
# 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
local myeconfargs=(
$(use_enable nls)
)
econf "${myeconfargs[@]}"
}
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 "${ED}"/usr/lib* || die
# Examples are about 200K, so let's make them optional still for now.
if ! use examples ; then
rm -r "${ED}"/usr/share/doc/${PF}/examples/ || die
fi
}
pkg_postinst() {
local f="${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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