media-libs/libpng/libpng-1.4.5.ebuild


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# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-libs/libpng/libpng-1.4.5.ebuild,v 1.4 2011/01/23 09:43:25 phajdan.jr Exp $

EAPI="3"

inherit eutils libtool multilib

DESCRIPTION="Portable Network Graphics library"
HOMEPAGE="http://www.libpng.org/"
SRC_URI="mirror://sourceforge/${PN}/${P}.tar.xz"

LICENSE="as-is"
SLOT="0"
KEYWORDS="~alpha amd64 ~arm ~hppa ~ia64 ~m68k ~mips ppc ppc64 ~s390 ~sh ~sparc x86 ~sparc-fbsd ~x86-fbsd ~x64-freebsd ~x86-freebsd ~x86-interix ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
IUSE="static-libs"

RDEPEND="sys-libs/zlib"
DEPEND="${RDEPEND}
	app-arch/xz-utils"

src_prepare() {
	elibtoolize
}

src_configure() {
	econf \
		--disable-dependency-tracking \
		$(use_enable static-libs static)
}

src_install() {
	emake DESTDIR="${D}" install || die
	dodoc ANNOUNCE CHANGES README TODO libpng-*.txt
}

pkg_preinst() {
	has_version ${CATEGORY}/${PN}:1.2 && return 0
	preserve_old_lib /usr/$(get_libdir)/libpng12.so.0
}

pkg_postinst() {
	has_version ${CATEGORY}/${PN}:1.2 && return 0
	preserve_old_lib_notify /usr/$(get_libdir)/libpng12.so.0
}