core/bbswitch/PKGBUILD

# maintainer tetris4@gmail.com
# contributions from: https://www.archlinux.org/packages/community/x86_64/bbswitch/

_extramodules=extramodules-3.10-CHAKRA
_kver="$(cat /lib/modules/${_extramodules}/version)"

pkgname=bbswitch
pkgver=0.7
pkgrel=4
pkgdesc="kernel module allowing to switch dedicated graphics card on Optimus laptops"
arch=('x86_64')
url=("http://github.com/Bumblebee-Project/bbswitch")
license=('GPL')
install=bbswitch.install
depends=('linux>=3.10' 'linux<3.11')
makedepends=('linux' 'linux-headers')
source=("https://github.com/Bumblebee-Project/bbswitch/archive/v${pkgver}.tar.gz")
md5sums=('b9df5ea40109ef9766448a0577c798e6')

build() {
  cd ${srcdir}/${pkgname}-${pkgver}
  make KDIR=/usr/src/linux-${_kver}
}

package() {
    cd ${srcdir}/${pkgname}-${pkgver}
    msg2 "Building module for $_kver..."

    # KDIR is necessary even when cleaning
    #make KDIR=/usr/src/linux-${_kver} clean
    mkdir -p $pkgdir//lib/modules/${_extramodules}
    install -D -m644 bbswitch.ko $pkgdir/lib/modules/${_extramodules}
    gzip "${pkgdir}/lib/modules/${_extramodules}/bbswitch.ko"
    #automatically update bbswitch.install
    sed -i -e "s/EXTRAMODULES='.*'/EXTRAMODULES='${_extramodules}'/" "${startdir}/bbswitch.install"
}