# linux-wlan-ng requires a configured pcmcia-cs source tree.  
# unpack/configure it in WORKDIR.  No need to compile it though.
PCMCIA_CS="pcmcia-cs-3.2.1"
PCMCIA_DIR="${WORKDIR}/${PCMCIA_CS}"

MY_P=${P/_/-}
S=${WORKDIR}/${MY_P}
DESCRIPTION="The linux-wlan Project"
SRC_URI="ftp://ftp.linux-wlan.org/pub/linux-wlan-ng/${MY_P}.tar.gz 
         mirror://sourceforge/pcmcia-cs/${PCMCIA_CS}.tar.gz"

HOMEPAGE="http://linux-wlan.org"
DEPEND="sys-kernel/linux-headers
        sys-apps/pcmcia-cs
		dev-libs/openssl
		sys-apps/baselayout"
RDEPEND=""
SLOT="0"
LICENSE="MPL-1.1"
KEYWORDS="x86"

# check arch for configure
if [ ${ARCH} = "x86" ] ; then
	MY_ARCH="i386"
else
	MY_ARCH="ppc"
fi

# Note: To use this ebuild, you should have the usr/src/linux symlink to 
# the kernel directory that linux-wlan-ng should use for configuration.

src_compile() {

#configure pcmcia-cs - we need this for wlan to compile
#use same USE flags that the pcmcia-cs ebuild does.  
#no need to actually compile pcmcia-cs...

	cd ${WORKDIR}/${PCMCIA_CS}
	local myconf
	if [ -n "`use trusted`" ] ; then
		myconf="--trust"
	else
		myconf="--notrust"
	fi

	if [ -n "`use apm`" ] ; then
		myconf="$myconf --apm"
	else
		myconf="$myconf --noapm"
	fi

	if [ -n "`use pnp`" ] ; then
		myconf="$myconf --pnp"
	else
		myconf="$myconf --nopnp"
	fi
	
	if [ -n "`use nocardbus`" ] ; then
		myconf="$myconf --nocardbus"
	else
		myconf="$myconf --cardbus"
	fi

	#use $CFLAGS for user tools, but standard kernel optimizations for the kernel modules (for compatibility)
	./Configure -n \
		--target=${D} \
		--srctree \
		--kernel=/usr/src/linux \
		--arch="${MY_ARCH}" \
		--uflags="$CFLAGS" \
		--kflags="-Wall -Wstrict-prototypes -O2 -fomit-frame-pointer" \
		$myconf || die "failed configuring pcmcia-cs"

    # now lets build wlan-ng
	cd ${S}
	export PCMCIA_CS=${PCMCIA_CS}; sed -e 's:PCMCIA_SRC=:PCMCIA_SRC=${WORKDIR}/${PCMCIA_CS}:' config.in > default.config1
	sed -e 's:TARGET_ROOT_ON_HOST=:TARGET_ROOT_ON_HOST=${D}:' default.config1 > default.config2
	sed -e 's:PRISM2_USB=n:PRISM2_USB=y:' default.config2 > default.config3
	sed -e 's:PRISM2_PCI=n:PRISM2_PCI=y:' default.config3 > default.config4
	sed -e 's:PRISM2_PLX=n:PRISM2_PLX=y:' default.config4 > default.config
	rm -f default.config1 default.config2 default.config3 default.config4
	emake default_config || die "failed configuring WLAN"
	emake all || die "failed compiling"

	#compile add-on keygen program.  It seems to actually provide usable keys.
	cd ${S}/add-ons/keygen

	emake || die  "Failed to compile add-on keygen program"
}

src_install () {
einfo PREFIX=${D}
	make install || die "failed installing"
	cd ${D}

	#move the conf file to conf.d
	insinto /etc/conf.d
	sed -e 's:/sbin/nwepgen:/sbin/keygen:' etc/wlan.conf >etc/conf.d/wlan.conf
	rm -f etc/wlan.conf

	mv etc/pcmcia/wlan-ng.opts wlan-ng.opts.orig
	sed -e 's:/sbin/nwepgen:/sbin/keygen:' wlan-ng.opts.orig >etc/pcmcia/wlan-ng.opts

	mv etc/init.d/wlan wlan.orig
	sed -e 's:/etc/wlan.conf:/etc/conf.d/wlan.conf:g' wlan.orig >etc/init.d/wlan
	rm -f wlan.orig wlan-ng.opts.orig
	chmod 755 etc/init.d/wlan
	chmod 640 etc/conf.d/wlan.conf etc/pcmcia/wlan-ng.opts

	# use net.eth0 style rc.init script for wlan too.
	cp /etc/init.d/net.eth0 etc/init.d/net.wlan0

	if [ -z "`use build`" ]
	then
		cd ${S}
		# install docs
		dodoc BUGS CHANGES COPYING LICENSE FAQ MAINTAINERS README \
			THANKS TODO doc/*
	fi
	exeinto /sbin
	doexe add-ons/keygen/keygen

}

pkg_postinst() {
	depmod -a

	einfo "Modify /etc/conf.d/wlan if you choose to use /etc/init.d/wlan to"
	einfo "start up your card.  This won't offer dhcp options, however."
	einfo ""
	einfo "Modify /etc/pcmcia/wlan-ng.opts to use the pcmcia card services"
	einfo "to autoload the prism2 drivers when a pccard is inserted."
	einfo "Two keygen programs are include: nwepgen and keygen.  keygen seems"
	einfo "provide more usable keys at the moment."
	einfo ""
	einfo "You will need to add iface_wlan0 parameters to /etc/conf.d/net to use the"
	einfo "pcmcia card services to load the wlan device and attach it to the network."
}