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# $Id: PKGBUILD 115913 2014-07-18 11:31:47Z tpowa $
# Maintainer (Arch): Lukas Fleischer <archlinux at cryptocrack dot de>
# Contributor (Arch): xduugu
# Contributor (Arch): nh2
# Contributor (Arch): Steven Davidovitz <steviedizzle ð gmail đ com>
# Contributor (Arch): Nick B <Shirakawasuna ð gmail đ com>
# Contributor (Arch): Christof Musik <christof ð senfdax đ de>
# Contributor (Arch): Stefan Rupp <archlinux ð stefanrupp đ de>
# Contributor (Arch): Ignas Anikevicius <anikevicius ð gmail đ com>
# Maintainer: André Silva <emulatorman@parabola.nu>

_pkgname=tp_smapi
pkgname=tp_smapi-libre
pkgver=0.41
pkgrel=51
pkgdesc="Modules for ThinkPad's SMAPI functionality (built for the linux-libre kernel package)"
arch=('i686' 'x86_64' 'mips64el')
url='https://github.com/evgeni/tp_smapi'
license=('GPL')
depends=('linux-libre>=3.15' 'linux-libre<3.16')
makedepends=('linux-libre-headers>=3.15' 'linux-libre-headers<3.16')
replaces=("${_pkgname}")
conflicts=("${_pkgname}")
provides=("${_pkgname}=${pkgver}")
install="${_pkgname}.install"
source=("https://github.com/downloads/evgeni/${_pkgname}/${_pkgname}-${pkgver}.tar.gz")
md5sums=('63c683415c764568f6bf17c7eabe4752')

build() {
  cd "${srcdir}/${_pkgname}-${pkgver}"

  _kernver=${_kernver:-$(uname -r)}
  _extramodules=$(readlink -f "/usr/lib/modules/${_kernver}/extramodules" || true)
  _kernver=$(< "${_extramodules}/version")

  sed -ri -e "s/^(KVER\s*:=).*$/\1 ${_kernver}/" \
	  -e "s#^(KBASE\s*:=).*\$#\1 ${_extramodules%/*}/${_kernver}#" Makefile

  make HDAPS=1
}

package() {
  _kernver=${_kernver:-$(uname -r)}
  _extramodules=$(readlink -f "/usr/lib/modules/${_kernver}/extramodules" || true)
  _kernver=$(< "${_extramodules}/version")

  make -C "${_extramodules%/*}/${_kernver}/build" \
    INSTALL_MOD_PATH="${pkgdir}/${_extramodules%%/lib/*}" \
    M="${srcdir}/${_pkgname}-${pkgver}" modules_install

  cd "${pkgdir}/${_extramodules%/*}"
  mv "${_kernver}/extra" "${_extramodules##*/}"
  rmdir "${_kernver}"

  # compress kernel modules
  find "${pkgdir}" -name "*.ko" -exec gzip -9 {} +

  # load module on startup
  echo tp_smapi > "${srcdir}/${_pkgname}.conf"
  install -Dm644 "${srcdir}/${_pkgname}.conf" "${pkgdir}/usr/lib/modules-load.d/${_pkgname}.conf"

  # update kernel version in install file
  sed -ri "s#^(extramodules=).*\$#\1${_extramodules}#" "${startdir}/${_pkgname}.install"
}