# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-libs/libsdl/libsdl-1.2.11-r1.ebuild,v 1.7 2007/12/30 00:25:20 vapier Exp $

inherit flag-o-matic toolchain-funcs eutils libtool

DESCRIPTION="Simple Direct Media Layer"
HOMEPAGE="http://www.libsdl.org/"
SRC_URI="http://www.libsdl.org/release/SDL-${PV}.tar.gz"

LICENSE="LGPL-2.1"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sh sparc ~x86 ~x86-fbsd"
# WARNING:
# if you have the noaudio, novideo, nojoystick, or custom-cflags use flags
# in USE and something breaks, you pick up the pieces.  Be prepared for
# bug reports to be marked INVALID.
IUSE="oss alsa esd arts nas X dga xv xinerama fbcon directfb ggi svga aalib opengl libcaca noaudio novideo nojoystick custom-cflags"

RDEPEND="!noaudio? ( >=media-libs/audiofile-0.1.9 )
	alsa? ( media-libs/alsa-lib )
	esd? ( >=media-sound/esound-0.2.19 )
	arts? ( kde-base/arts )
	nas? (
		media-libs/nas
		x11-libs/libXt
		x11-libs/libXext
		x11-libs/libX11
	)
	X? (
		x11-libs/libXt
		x11-libs/libXext
		x11-libs/libX11
	)
	directfb? ( >=dev-libs/DirectFB-0.9.19 )
	ggi? ( >=media-libs/libggi-2.0_beta3 )
	svga? ( >=media-libs/svgalib-1.4.2 )
	aalib? ( media-libs/aalib )
	libcaca? ( >=media-libs/libcaca-0.9-r1 )
	opengl? ( virtual/opengl virtual/glu )"
DEPEND="${RDEPEND}
	nas? (
		x11-proto/xextproto
		x11-proto/xproto
	)
	X? (
		x11-proto/xextproto
		x11-proto/xproto
	)
	x86? ( >=dev-lang/nasm-0.98.39-r3 )"

S=${WORKDIR}/SDL-${PV}

pkg_setup() {
	if use noaudio || use novideo || use nojoystick ; then
		ewarn "Since you've chosen to turn off some of libsdl's functionality,"
		ewarn "don't bother filing libsdl-related bugs until trying to remerge"
		ewarn "libsdl without the no* flags in USE.  You need to know what"
		ewarn "you're doing to selectively turn off parts of libsdl."
		epause 30
	fi
	if use custom-cflags ; then
		ewarn "Since you've chosen to use possibly unsafe CFLAGS,"
		ewarn "don't bother filing libsdl-related bugs until trying to remerge"
		ewarn "libsdl without the custom-cflags use flag in USE."
		epause 10
	fi
}

src_unpack() {
	unpack ${A}
	cd "${S}"

	epatch "${FILESDIR}"/${P}-libcaca-new-api.patch #40224
	epatch "${FILESDIR}"/${P}-sdl-config.patch
	epatch "${FILESDIR}"/${P}-xinerama-head-0.patch #145917
	epatch "${FILESDIR}"/${P}-no-inline-BlitRGBtoRGBPixelAlphaMMX3DNOW.patch #148186
	epatch "${FILESDIR}"/${P}-audioConv.patch #151991
	epatch "${FILESDIR}"/${P}-fbcon-page-header.patch #159923 #169388
	epatch "${FILESDIR}"/${P}-yasm-checks.patch #163053

	# add yasm-compatible defines to nasm code (hopefully we
	# can get this killed soonish)
	local f
	for f in "${S}"/src/hermes/*.asm ; do
		cat <<-EOF >> "${f}"
		%ifidn __YASM_OBJFMT__,elf
		section ".note.GNU-stack" noalloc noexec nowrite progbits
		%endif
		EOF
	done

	# yasm does not understand -i
	# bug #147201
	sed -i \
		-e 's:NASMFLAGS -i:NASMFLAGS -I:' \
		configure.in \
		|| die "sed failed"

	./autogen.sh || die "autogen failed"
	elibtoolize
}

src_compile() {
	local myconf=
	if [[ $(tc-arch) != "x86" ]] ; then
		myconf="${myconf} --disable-nasm"
	else
		myconf="${myconf} --enable-nasm"
	fi
	use custom-cflags || strip-flags
	use noaudio && myconf="${myconf} --disable-audio"
	use novideo \
		&& myconf="${myconf} --disable-video" \
		|| myconf="${myconf} --enable-video-dummy"
	use nojoystick && myconf="${myconf} --disable-joystick"

	local directfbconf="--disable-video-directfb"
	if use directfb ; then
		# since DirectFB can link against SDL and trigger a
		# dependency loop, only link against DirectFB if it
		# isn't broken #61592
		echo 'int main(){}' > directfb-test.c
		$(tc-getCC) directfb-test.c -ldirectfb 2>/dev/null \
			&& directfbconf="--enable-video-directfb" \
			|| ewarn "Disabling DirectFB since libdirectfb.so is broken"
	fi

	myconf="${myconf} ${directfbconf}"

	econf \
		--disable-dependency-tracking \
		--disable-rpath \
		--enable-events \
		--enable-cdrom \
		--enable-threads \
		--enable-timers \
		--enable-endian \
		--enable-file \
		--enable-cpuinfo \
		$(use_enable oss) \
		$(use_enable alsa) \
		$(use_enable esd) \
		$(use_enable arts) \
		$(use_enable nas) \
		$(use_enable X video-x11) \
		$(use_enable dga) \
		$(use_enable xv video-x11-xv) \
		$(use_enable xinerama video-x11-xinerama) \
		$(use_enable X video-x11-xrandr) \
		$(use_enable dga video-dga) \
		$(use_enable fbcon video-fbcon) \
		$(use_enable ggi video-ggi) \
		$(use_enable svga video-svga) \
		$(use_enable aalib video-aalib) \
		$(use_enable libcaca video-caca) \
		$(use_enable opengl video-opengl) \
		$(use_with X x) \
		--disable-video-x11-xme \
		${myconf} || die
	emake || die "emake failed"
}

src_install() {
	make DESTDIR="${D}" install || die "make install failed"
	dodoc BUGS CREDITS README README-SDL.txt README.CVS TODO WhatsNew
	dohtml -r ./
}