#
# Chakra Packages for Chakra, part of chakra-project.org
#
# maintainer (i686): Phil Miller <philm[at]chakra-project[dog]org>
# maintainer (x86_64): Manuel Tortosa <manutortosa[at]chakra-project[dot]org>

# Find the kernel name inside the chroot
_extramodules=extramodules-`pacman -Q linux | cut -c7-9 | sed 's/linux //g'`-CHAKRA
_kver="$(cat /lib/modules/${_extramodules}/version)"

pkgname=catalyst
pkgver=12.2
pkgrel=1
pkgdesc="AMD/ATI Catalyst drivers for linux. fglrx kernel module only"
arch=('i686' 'x86_64')
url="http://www.ati.amd.com"
license=('custom')
depends=('linux>=3.2' 'linux<3.3' 'catalyst-utils')
makedepends=('gcc-libs' 'gcc>4.0.0' 'make' 'linux-headers')
conflicts=('catalyst-test' 'nvidia' 'xf86-video-ati' 'xf86-video-radeonhd' 'ati-dri')
install=${pkgname}.install

source=(http://www2.ati.com/drivers/linux/amd-driver-installer-${pkgver/./-}-x86.x86_64.run
        ati_make.sh
        makefile_compat.patch
        3.2.8.patch)

md5sums=('7764bd0343ed542a8e0ebed05e347865'
	 '660396540b0ceaff71d6155c986734de'
	 '3e1b82bd69774ea808da69c983d6a43b'
	 '32c8142c73dcfed5db426f494feda9e3')



build() {

    msg "Setting compilation variables ..."
  ## include ati_make.sh and use _ati_check function from it
    . ati_make.sh
    _ati_check


    msg "Unpacking archive ..."
    /bin/sh ./amd-driver-installer-${pkgver/./-}-x86.x86_64.run --extract archive_files


    if [ "${CARCH}" = "x86_64" ]; then
	BUILDARCH=x86_64
	_archdir=x86_64
	sed -i -e s'~COMPAT_ALLOC_USER_SPACE~arch_compat_alloc_user_space~' ${srcdir}/archive_files/common/lib/modules/fglrx/build_mod//kcl_ioctl.c
    fi
    if [ "${CARCH}" = "i686" ]; then
	BUILDARCH=i386
	_archdir=x86
    fi

    cd "${srcdir}/archive_files/"

    msg "Applying patch(es) ..."
   ## makefile patch to choose arch_compat_alloc_user_space or older compat_alloc_user_space
   ## works only in combination with ati_make.sh script
    patch -Np1 -i ../makefile_compat.patch 

    patch -Np1 -i ../3.2.8.patch 

    #if [[ ${_kver:0:6} < "2.6.39" ]] && [[ `cat /lib/modules/${_kver}/build/.config | grep -c CONFIG_BKL=y` = 0 ]]; then
    #  patch -Np1 -i ../no_bkl.patch
    #fi

    cd "${srcdir}/archive_files/common/lib/modules/fglrx/build_mod"
    cp "${srcdir}/archive_files/arch/${_archdir}/lib/modules/fglrx/build_mod/libfglrx_ip.a" .
    cp 2.6.x/Makefile .


    msg "Compiling fglrx module ..."
   ## Compile module using _ati_check variables
    make -C /lib/modules/${_kver}/build SUBDIRS="`pwd`" ARCH=${BUILDARCH} \
      MODFLAGS="-DMODULE -DATI -DFGL -DPAGE_ATTR_FIX=$PAGE_ATTR_FIX -DCOMPAT_ALLOC_USER_SPACE=$COMPAT_ALLOC_USER_SPACE $def_smp $def_modversions" \
      PAGE_ATTR_FIX=$PAGE_ATTR_FIX COMPAT_ALLOC_USER_SPACE=$COMPAT_ALLOC_USER_SPACE modules
}

package() {

    ## here we are checking kernel's extramodules dir
    for r in /lib/modules/*; do
      s=${r:13}
      if [[ ${s:0:3} = "ext" ]]; then
	if [[ `cat ${r}/version | grep -c ${_kernver}` != 0 ]]; then
	  _destidir=${s}
	  sed -i -e "s/EXTRAMODULES=.*/EXTRAMODULES=${s}/" $startdir/catalyst.install
	fi
	elif [[ ${s} = ${_kernver} ]] && [[ ! -e ${r}/extramodules ]]; then
	  _destidir=${_kernver}/video
	  sed -i -e "s/EXTRAMODULES=.*/EXTRAMODULES=null/" $startdir/catalyst.install
      fi
    done

    cd "${srcdir}/archive_files/common/lib/modules/fglrx/build_mod"
    install -m755 -d "${pkgdir}/lib/modules/${_extramodules}"
    install -m644 fglrx.ko "${pkgdir}/lib/modules/${_extramodules}"
    gzip "${pkgdir}/lib/modules/${_extramodules}/fglrx.ko"

    ## License
    install -m755 -d "${pkgdir}/usr/share/licenses/${pkgname}"
    install -m644 "${srcdir}/archive_files/LICENSE.TXT" "${pkgdir}/usr/share/licenses/${pkgname}/"

    sed -i -e "s/EXTRAMODULES='.*'/EXTRAMODULES='${_extramodules}'/" ${startdir}/*.install
}