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# Maintainer (Arch): Lukas Fleischer <lfleischer@archlinux.org>
# 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>
# Contributor (Hyperbola): André Silva <emulatorman@hyperbola.info>
# Contributor (Hyperbola): Márcio Silva <coadde@hyperbola.info>
# Maintainer: Omar Vega Ramos <ovruni@gnu.org.pe>

_basekernel=4.20
_parabolarel=1

pkgname=tp_smapi
pkgver=0.43
pkgrel=84
pkgrel+=.parabola${_parabolarel}.basekernel${_basekernel}
pkgdesc="Modules for ThinkPad's SMAPI functionality"
pkgdesc+=" (built for the linux-libre kernel package)"
arch=('x86_64')
arch+=('i686')
url='https://github.com/evgeni/tp_smapi'
license=('GPL')

# Generic (you shouldn't have to modify any of these variables)
_toohigh=$(IFS=. read a b <<<$_basekernel; echo $a.$((b+1)))
depends=("linux-libre>=${_basekernel}" "linux-libre<${_toohigh}")
makedepends=("linux-libre-headers>=${_basekernel}" "linux-libre-headers<${_toohigh}" 'git')
makedepends+=('libelf')

_extradir=/usr/lib/modules/extramodules
_commit=a63729ab30d85430048f65c37f29188ab484cd52  # tags/tp-smapi/0.43
source=("git+https://github.com/evgeni/tp_smapi#commit=$_commit")
sha256sums=('SKIP')

pkgver() {
  cd $pkgname
  git describe --tags | sed 's/^tp-smapi\///;s/-/+/g'
}

build() {
  cd $pkgname

  # https://bugs.archlinux.org/task/54975 (kernel has no _GLOBAL_OFFSET_TABLE_):
  # Clear EXTRA_CFLAGS since it defaults to injecting CFLAGS and -fno-plt breaks the modules

  make HDAPS=1 KVER="$(<$_extradir/version)" EXTRA_CFLAGS=
}

package() {
  cd $pkgname

  # install kernel modules
  find . -name "*.ko" -exec install -Dt "$pkgdir$_extradir" {} +

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

  # load module on startup
  echo tp_smapi | install -Dm644 /dev/stdin "$pkgdir/usr/lib/modules-load.d/$pkgname.conf"
}