1 files changed, 66 insertions, 0 deletions
diff --git a/dev-util/yacc/yacc-1.9.1-r6.ebuild b/dev-util/yacc/yacc-1.9.1-r6.ebuild
new file mode 100644
index 000000000000..a8e9e4d6efbf
--- /dev/null
+++ b/dev-util/yacc/yacc-1.9.1-r6.ebuild
@@ -0,0 +1,66 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit eutils toolchain-funcs
+
+DESCRIPTION="Yacc: Yet Another Compiler-Compiler"
+HOMEPAGE="http://dinosaur.compilertools.net/#yacc"
+SRC_URI="ftp://metalab.unc.edu/pub/Linux/devel/compiler-tools/${P}.tar.Z"
+
+LICENSE="public-domain"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86"
+IUSE=""
+
+DEPEND=""
+RDEPEND=""
+
+PATCHES=(
+	# mkstemp patch from byacc ebuild
+	"${FILESDIR}"/${P}-mkstemp.patch
+
+	# The following patch fixes yacc to run correctly on ia64 (and
+	# other 64-bit arches).  See bug 46233
+	"${FILESDIR}"/${P}-ia64.patch
+
+	# avoid stack access error, bug 232005
+	"${FILESDIR}"/${P}-CVE-2008-3196.patch
+)
+
+src_prepare() {
+	default
+
+	# Use our CFLAGS and LDFLAGS
+	sed -i -e 's: -O : $(CFLAGS) $(LDFLAGS) :' Makefile || die 'sed failed'
+}
+
+src_compile() {
+	emake clean
+	emake CC="$(tc-getCC)" CFLAGS="${CFLAGS}"
+}
+
+src_install() {
+	dobin "${PN}"
+	doman "${PN}.1"
+	dodoc 00README* ACKNOWLEDGEMENTS NEW_FEATURES NO_WARRANTY NOTES README*
+}
+
+pkg_preinst() {
+	# bison installs a /usr/bin/yacc symlink ...
+	# we need to remove it to avoid triggering
+	# collision-protect errors #90089
+	if [[ -L ${ROOT}/usr/bin/yacc ]]; then
+		rm -v "${ROOT}"/usr/bin/yacc || die
+	fi
+}
+
+pkg_postrm() {
+	# and if we uninstall yacc but keep bison,
+	# lets restore the /usr/bin/yacc symlink
+	if [[ ! -e ${ROOT}/usr/bin/yacc ]] && [[ -e ${ROOT}/usr/bin/yacc.bison ]]; then
+		ln -s yacc.bison "${ROOT}"/usr/bin/yacc || die
+	fi
+}