# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/x11-libs/pixman/pixman-0.11.8.ebuild,v 1.7 2009/05/04 15:17:31 ssuominen Exp $

# Must be before x-modular eclass is inherited
#SNAPSHOT="yes"

inherit x-modular toolchain-funcs versionator

DESCRIPTION="Low-level pixel manipulation routines"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x86-fbsd"
IUSE="altivec mmx sse sse2"

pkg_setup() {
	CONFIGURE_OPTIONS="$(use_enable altivec vmx) $(use_enable mmx)
	$(use_enable sse2) --disable-gtk"

	if use sse2 && ! use sse; then
		eerror "You enabled SSE2 but have SSE disabled. This is an invalid"
		eerror "configuration. Either do USE='sse' or USE='-sse2'"
		die "SSE2 selected without SSE"
	fi

	if use sse2 && ! $(version_is_at_least "4.2" "$(gcc-version)"); then
		eerror "SSE2 instructions require GCC 4.2 or higher. Either use"
		eerror "GCC 4.2 or higher or USE='-sse2'"
		die "SSE2 instructions require GCC 4.2 or higher"
	fi
}

src_unpack() {
	x-modular_src_unpack
	cd "${S}"
	use sse && epatch "${FILESDIR}"/${P}-sse.patch
	epatch "${FILESDIR}"/${P}-sse2-intrinsics-check.patch
	eautoreconf
	elibtoolize
}