bison: import current stable from upstream Gentoo

BUG=None
TEST=updated bison, checked `bison --version`, rebuilt x86-alex from source, booted it

Change-Id: I6714c92289e060cb7e8531c2b8e3afaf04c14746
Reviewed-on: http://gerrit.chromium.org/gerrit/6743
Reviewed-by: David James <davidjames@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>

sdk_container/src/third_party/portage-stable/sys-devel/bison/bison-2.4.3.ebuild

@@ -0,0 +1,48 @@
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/bison/bison-2.4.3.ebuild,v 1.10 2011/08/17 03:43:40 mattst88 Exp $
+
+EAPI="2"
+
+inherit flag-o-matic eutils
+
+DESCRIPTION="A yacc-compatible parser generator"
+HOMEPAGE="http://www.gnu.org/software/bison/bison.html"
+SRC_URI="mirror://gnu/bison/${P}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="alpha amd64 arm hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~sparc-fbsd ~x86-fbsd"
+IUSE="nls static"
+
+RDEPEND="sys-devel/m4"
+DEPEND="${RDEPEND}
+	nls? ( sys-devel/gettext )"
+
+src_prepare() {
+	epatch "${FILESDIR}"/${P}-uclibc-sched_param-def.patch
+}
+
+src_configure() {
+	use static && append-ldflags -static
+	econf $(use_enable nls)
+}
+
+src_install() {
+	emake DESTDIR="${D}" install || die
+
+	# This one is installed by dev-util/yacc
+	mv "${D}"/usr/bin/yacc{,.bison} || die
+	mv "${D}"/usr/share/man/man1/yacc{,.bison}.1 || die
+
+	# We do not need this.
+	rm -r "${D}"/usr/lib* || die
+
+	dodoc AUTHORS NEWS ChangeLog README OChangeLog THANKS TODO
+}
+
+pkg_postinst() {
+	if [[ ! -e ${ROOT}/usr/bin/yacc ]] ; then
+		ln -s yacc.bison "${ROOT}"/usr/bin/yacc
+	fi
+}

sdk_container/src/third_party/portage-stable/sys-devel/bison/files/bison-2.4.3-uclibc-sched_param-def.patch

@@ -0,0 +1,19 @@
+uclibc defines __GLIBC__ but it does not expose struct shed_param as much as glibc
+and is not needed too per standard. gnulib attempts to use it but we have to account
+for it because in this case uclibc does not behave like glibc.
+
+-Khem
+
+http://bugs.gentoo.org/336484
+
+--- m4-1.4.14/lib/spawn.in.h
++++ m4-1.4.14/lib/spawn.in.h
+@@ -31,7 +31,7 @@
+ 
+ /* Get definitions of 'struct sched_param' and 'sigset_t'.
+    But avoid namespace pollution on glibc systems.  */
+-#ifndef __GLIBC__
++#if !defined __GLIBC__ || defined __UCLIBC__
+ # include <sched.h>
+ # include <signal.h>
+ #endif