# Maintainer: Neophytos Kolokotronis <tetris4 AT gmail DOT com>

_extramodules=extramodules-3.2-lts
_kernver="$(cat /usr/lib/modules/${_extramodules}/version)"

url_ref="http://support.amd.com/en-us/download/desktop?os=Linux+x86"
DLAGENTS="http::/usr/bin/curl --referer ${url_ref} -o %o %u"

pkgname=catalyst-lts
pkgver=14.4
pkgrel=2
_amdver=14.10.1006.1001
pkgdesc="AMD/ATI Catalyst drivers for linux. fglrx kernel module only"
arch=('x86_64')
url="http://www.amd.com"
screenshot="http://linuxtation3.files.wordpress.com/2007/03/pantallazo.jpg"
license=('custom')
depends=('linux-lts>=3.2' 'linux-lts<3.4' 'catalyst-utils')
makedepends=('gcc-libs' 'gcc>4.0.0' 'make' 'linux-lts-headers')
conflicts=('catalyst-test' 'nvidia' 'xf86-video-ati' 'xf86-video-radeonhd')
install=catalyst.install
source=(http://www2.ati.com/drivers/linux/amd-catalyst-${pkgver/./-}-rev2-linux-x86-x86-64-may6.zip
        ati_make.sh
	makefile_compat.patch
	lano1106_fglrx_intel_iommu.patch
	lano1106_kcl_agp_13_4.patch
	lano1106_fglrx-13.8_proc.patch
	ati-compat_alloc_user_space.patch
	fglrx_supported)

md5sums=('6e9483e8d34aea68af22fbb70116275f'
         '660396540b0ceaff71d6155c986734de'
         '3e1b82bd69774ea808da69c983d6a43b'
         '5184b94a2a40216a67996999481dd9ee'
         'c5156eddf81c8a1719b160d05a2e8d67'
         '2ab4837233de42332753882445373d7b'
         '21013e49598edfffa7f37b62b2d6a930'
         '8bd182de340d6ed8b2dfcedfd3e5a389')

build() {

    msg "Unpacking archive ..."
    /bin/sh ./fglrx-${_amdver}/amd-driver-installer-${_amdver}-x86.x86_64.run --extract archive_files
    
    msg "Setting compilation variables ..."
    # include ati_make.sh and use _ati_check function from it
    . ati_make.sh
    _ati_check

    BUILDARCH=x86_64
    _archdir=x86_64

    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 ../lano1106_fglrx_intel_iommu.patch
    patch -Np1 -i ../lano1106_kcl_agp_13_4.patch
    patch -Np1 -i ../lano1106_fglrx-13.8_proc.patch
    # https://github.com/herecura/herecura/blob/master/keep-old-system-alive/catalyst-legacy-slk/ati-2.6.36-compat_alloc_user_space.patch
    patch -Np1 -i ../ati-compat_alloc_user_space.patch

    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
    CFLAGS_MODULE="-DMODULE -DATI -DFGL -DPAGE_ATTR_FIX=$PAGE_ATTR_FIX -DCOMPAT_ALLOC_USER_SPACE=$COMPAT_ALLOC_USER_SPACE $def_smp $def_modversions"
    
    make -C /usr/lib/modules/${_kernver}/build SUBDIRS="`pwd`" ARCH=${BUILDARCH} \
    MODFLAGS="$CFLAGS_MODULE" \
    CFLAGS_MODULE="$CFLAGS_MODULE" \
    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 /usr/lib/modules/*; do
      s=${r:17}
      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}/usr/lib/modules/${_destidir}/" 
    install -m644 fglrx.ko "${pkgdir}/usr/lib/modules/${_destidir}/" 
    find "${pkgdir}" -name '*.ko' -exec gzip -9 {} \;
    sed -i -e "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/" $startdir/catalyst.install

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