1 files changed, 92 insertions, 0 deletions
diff --git a/sys-devel/bison/bison-3.6.ebuild b/sys-devel/bison/bison-3.6.ebuild
new file mode 100644
index 000000000000..ae1caa517daa
--- /dev/null
+++ b/sys-devel/bison/bison-3.6.ebuild
@@ -0,0 +1,92 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit flag-o-matic
+
+PATCHES="${PN}-3.6-patches-01.tar.xz"
+
+DESCRIPTION="A general-purpose (yacc-compatible) parser generator"
+HOMEPAGE="https://www.gnu.org/software/bison/"
+SRC_URI="mirror://gnu/${PN}/${P}.tar.xz
+	mirror://gentoo/${PATCHES}
+	https://dev.gentoo.org/~whissi/dist/bison/${PATCHES}
+	https://dev.gentoo.org/~polynomial-c/dist/bison/${PATCHES}"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="examples nls static test"
+RESTRICT="!test? ( test )"
+
+RDEPEND=">=sys-devel/m4-1.4.16"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	sys-devel/flex
+	examples? ( dev-lang/perl )
+	nls? ( sys-devel/gettext )
+	test? ( dev-lang/perl )
+"
+
+DOCS=( AUTHORS ChangeLog NEWS README THANKS TODO ) # ChangeLog-2012 ChangeLog-1998 PACKAGING README-alpha README-release
+
+PATCHES=(
+	"${WORKDIR}"/patches/${PN}-3.5-optional-perl.patch #538300
+	"${WORKDIR}"/patches/${PN}-3.6-avoid_autoreconf.patch
+)
+
+src_prepare() {
+	# 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
+
+	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
+
+	# 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 examples)
+		$(use_enable nls)
+	)
+	econf "${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 "${ED}"/usr/lib* || die
+}
+
+pkg_postinst() {
+	local f="${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
+}