# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-emulation/qemu-softmmu/qemu-softmmu-0.9.1-r3.ebuild,v 1.4 2008/05/14 20:25:37 maekke Exp $

inherit eutils flag-o-matic toolchain-funcs

DESCRIPTION="Openmoko patched qemu snapshot"
HOMEPAGE="http://wiki.openmoko.org/wiki/Openmoko_under_QEMU"
SRC_URI="mirror://gentoo/${P}.tar.bz2"

LICENSE="GPL-2 LGPL-2.1"
SLOT="0"
KEYWORDS="-alpha amd64 ppc -sparc x86"
IUSE="sdl gnutls alsa"
RESTRICT="binchecks test"

DEPEND="virtual/libc
	sys-libs/zlib
	sdl? ( media-libs/libsdl )
	gnutls? (
		dev-util/pkgconfig
		net-libs/gnutls
	)
	app-text/texi2html"
RDEPEND="sys-libs/zlib
	sdl? ( media-libs/libsdl )
	gnutls? ( net-libs/gnutls )
	alsa? ( media-libs/alsa-lib )"

S="${WORKDIR}/${PN}"

src_unpack() {
	unpack ${A}

	cd "${S}"
	# Alter target makefiles to accept CFLAGS set via flag-o.
	sed -i 's/^\(C\|OP_C\|HELPER_C\)FLAGS=/\1FLAGS+=/' \
		Makefile Makefile.target tests/Makefile
	# Ensure mprotect restrictions are relaxed for emulator binaries
	[[ -x /sbin/paxctl ]] && \
		sed -i 's/^VL_LDFLAGS=$/VL_LDFLAGS=-Wl,-z,execheap/' \
			Makefile.target
	# Prevent install of kernel module by qemu's makefile
	sed -i 's/\(.\/install.sh\)/#\1/' Makefile
	# avoid strip
	sed -i 's:$(INSTALL) -m 755 -s:$(INSTALL) -m 755:' Makefile Makefile.target
}

src_compile() {
	if use x86 ; then
		# Force -march=pentium-mmx or lower. Fixes bug #212351.
		local march
		march=$(echo "${CFLAGS}" | sed 's:^.*-march=\([[:alnum:]-]\+\)\([[:blank:]].*\)\?$:\1:p;d')
		case ${march} in
			i386|i486|i586|pentium) ;;
			*) # Either march is not enough low or not exists at all
			case ${CHOST} in
				i486-*-*)	march=i486 ;;
				i586-*-*)	march=i586 ;;
				*)			march=pentium-mmx ;;
			esac ;;
		esac
		#Let the application set its cflags
		unset CFLAGS
		append-flags -march=${march}
	else
		#Let the application set its cflags
		unset CFLAGS
	fi

	# Switch off hardened tech
	filter-flags -fpie -fstack-protector

	myconf="--disable-gcc-check"
	if use alsa; then
		myconf="$myconf --enable-alsa"
	fi
	if ! use gnutls; then
		myconf="$myconf --disable-vnc-tls"
	fi
#	if ! use kqemu; then
		myconf="$myconf --disable-kqemu"
#	fi
	if ! use sdl ; then
		myconf="$myconf --disable-sdl --disable-gfx-check"
	fi
	# econf does not work
	./configure \
		--prefix=/usr \
		--enable-adlib \
		--cc=$(tc-getCC) \
		--host-cc=$(tc-getCC) \
		--disable-linux-user \
		--target-list=arm-softmmu \
		${myconf} \
		|| die "could not configure"

	emake OS_CFLAGS="${CFLAGS}" || die "make failed"
}

src_install() {
#	emake install \
#		prefix="${D}/usr" \
#		bindir="${D}/usr/bin" \
#		datadir="${D}/usr/share/qemu" \
#		docdir="${D}/usr/share/doc/${P}" \
#		mandir="${D}/usr/share/man" || die
	newbin "${S}/arm-softmmu/qemu-system-arm" qemu-openmoko
	insinto /usr/share/openmoko
	doins "${S}"/openmoko/*
	sed -i -e 's:script_dir.*:script_dir=".":' \
		   -e 's:qemu=.*:qemu="qemu-openmoko -M gta01 -m 130":' \
		   "${D}/usr/share/openmoko/env"
}

pkg_postinst() {
	einfo "You will need the Universal TUN/TAP driver compiled into"
	einfo "kernel or as a module to use the virtual network device."
	einfo "In order to have gta01 and gta02fake virtual machine"
	einfo "working you need to put a u-boot.bin file in"
	einfo "/usr/share/openmoko"
}