# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-devel/m4/m4-1.4.16.ebuild,v 1.1 2011/03/01 23:20:57 vapier Exp $

EAPI="3"

inherit eutils

DESCRIPTION="GNU macro processor"
HOMEPAGE="http://www.gnu.org/software/m4/m4.html"
SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"

LICENSE="GPL-3"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~sparc-fbsd ~x86-fbsd"
IUSE="examples"

# remember: cannot dep on autoconf since it needs us
DEPEND="app-arch/xz-utils"
RDEPEND=""

src_configure() {
	# Disable automagic dependency over libsigsegv; see bug #278026
	export ac_cv_libsigsegv=no

	local myconf=""
	[[ ${USERLAND} != "GNU" ]] && myconf="--program-prefix=g"
	econf --enable-changeword ${myconf}
}

src_test() {
	[[ -d /none ]] && die "m4 tests will fail with /none/" #244396
	emake check || die
}

src_install() {
	emake install DESTDIR="${D}" || die
	dodoc BACKLOG ChangeLog NEWS README* THANKS TODO
	if use examples ; then
		docinto examples
		dodoc examples/*
		rm -f "${D}"/usr/share/doc/${PF}/examples/Makefile*
	fi
}