# $Id: PKGBUILD 221106 2014-09-08 02:45:36Z allan $
# Maintainer (Arch): Allan McRae <allan@archlinux.org>
# Maintainer: André Silva <emulatorman@parabola.nu>
# Contributor: Luke Shumaker <lukeshu@sbcglobal.net>

# toolchain build order: linux-libre-api-headers->glibc->binutils->gcc->binutils->glibc

pkgname=linux-libre-api-headers
_pkgbasever=3.16-gnu
_pkgver=3.16.2-gnu

_srcname=linux-${_pkgbasever%-*}
_archpkgver=${_pkgver%-*}
pkgver=${_pkgver//-/_}
pkgrel=1
pkgdesc="Kernel headers sanitized for use in userspace"
arch=('i686' 'x86_64' 'mips64el')
url="http://www.gnu.org/software/libc"
license=('GPL2')
provides=( "linux-api-headers=${_archpkgver}")
conflicts=('linux-api-headers')
replaces=( 'linux-api-headers')
source=("http://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgbasever}/linux-libre-${_pkgbasever}.tar.xz"
        "http://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgver}/patch-${_pkgbasever}-${_pkgver}.xz")
md5sums=('71e2d15b48e14db5a464424878362b42'
         '25a33c60c0e06622d468f118e70d6a57')

prepare() {
  cd "${srcdir}/${_srcname}"

  # add upstream patch
  if [ "${_pkgbasever}" != "${_pkgver}" ]; then
    patch -p1 -i "${srcdir}/patch-${_pkgbasever}-${_pkgver}"
  fi

  # fix xattr.h dual inclusion issues
  # https://github.com/torvalds/linux/commit/bfcfd44c
  sed -i "/__UAPI_DEF_XATTR/s/ifdef/if/" include/uapi/linux/xattr.h
}

build() {
  cd "${srcdir}/${_srcname}"

  make mrproper
  make headers_check
}

package() {
  cd "${srcdir}/${_srcname}"
  make INSTALL_HDR_PATH="${pkgdir}"/usr headers_install

  # use headers from libdrm
  rm -r "${pkgdir}"/usr/include/drm
  
  # clean-up unnecessary files generated during install
  find "${pkgdir}" \( -name .install -o -name ..install.cmd \) -delete
}