linux-next/PKGBUILD

   1 # Maintainer: Matt Parnell/ilikenwf <parwok@gmail.com>
   2 # PKGBUILD Writer: Patrick Bartels <p4ddy.b@gmail.com>
   3
   4 # Uncomment the line below if you want to maintain the git tree yourself.
   5 _no_update="y"
   6
   7 # AUR workaround...
   8 pkgname="linux-next"
   9
  10 true && pkgbase="linux-next"
  11 true && pkgname=("linux-next" "linux-next-headers")
  12 pkgver=20120107
  13 pkgrel=1
  14 pkgdesc="Linux-Next kernel from git - use yaourt -G or store the build directory somewhere to keep a git repo."
  15 url="http://www.kernel.org"
  16 license=("GPL2")
  17 arch=("i686" "x86_64")
  18 makedepends=("git")
  19 options=("!strip")
  20 source=(linux-next.conf
  21         linux-next.preset)
  22 md5sums=('ccec126fa0bfce4222a526ca02cf2de8'
  23          '26dbd49508006ebdd52ab6cade09c330')
  24
  25 _gitroot="https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git"
  26 _gitname="linux-next"
  27
  28 _builddir="$srcdir/build/"
  29 _sourcedir="$srcdir/$_gitname/"
  30
  31 # compress the modules with gzip or not
  32 _compress="y"
  33
  34 fetch_sources() {
  35         if [ ! -d "$_gitname" ]; then
  36                 cd "$srcdir"
  37                 msg2 "Cloning initial copy of linux-next..."
  38                 warning "This may take some time depending on your available bandwidth."
  39
  40                 git clone --depth 1 "$_gitroot" "$_gitname"
  41
  42                 _no_update="y" # update is not necessary
  43         fi
  44
  45         if [ "$_no_update" = "y" ]; then
  46                 msg2 "Skipping tree update..."
  47         else
  48                 cd "$srcdir/$_gitname"
  49
  50                 msg2 "Updating local tree..."
  51                 if git fetch; then
  52                         msg2 "Attempting to merge changes..."
  53
  54                         if ! git merge origin/master; then
  55                                 error "Merging failed..."
  56
  57                                 msg2 "Fixing local repository..."
  58                                 git checkout -f "matt-playground"
  59                                 git clean -xdf
  60                                 git reset --hard "origin/master"
  61                         fi
  62                 else
  63                         error "Update failed..."
  64                 fi
  65
  66                 warning "Press ENTER if you want to continue or CTRL+C to abort..."
  67                 read
  68         fi
  69 }
  70
  71 build() {
  72         fetch_sources
  73
  74         if [ -e "$_builddir/.config" ]; then
  75                 msg2 "Using existing config found in build environment..."
  76         else
  77                 if [ ! -d "$_builddir" ]; then
  78                         msg2 "Creating build directory..."
  79                         mkdir -p "$_builddir"
  80                 fi
  81
  82                 msg2 "Creating default config..." # also initializes the output directory
  83                 make -C "$_sourcedir" O="$_builddir" defconfig > /dev/null
  84
  85                 warning "This package does not ship a kernel config."
  86
  87                 plain   ""
  88                 warning "Thus it is up to you to create a one that fits your needs."
  89                 warning "Navigate to '$_builddir'"
  90                 warning "and either run 'make menuconfig' or if you want to use an existing config,"
  91                 warning "save it as '.config' and run 'make oldconfig' in order to update it."
  92                 warning "Having done that you can run 'makepkg' again."
  93                 plain   ""
  94
  95                 return 1
  96         fi
  97
  98         msg2 "Updating output directory Makefile..."
  99         make -C "$_sourcedir" O="$_builddir" outputmakefile
 100
 101         warning "Press ENTER if you want to build the kernel or CTRL+C to abort..."
 102         read
 103
 104         # Number of CPU Cores
 105         _CORES=$(cat /proc/cpuinfo|grep processor|wc -l)
 106         if [ $_CORES -lt 1 ]; then
 107                 _CORES=1
 108         fi
 109
 110         cd "$_builddir"
 111         msg2 "Building kernel..."; make -j $_CORES bzImage
 112         msg2 "Building modules..."; make -j $_CORES modules
 113 }
 114
 115 package_linux-next() {
 116         depends=("coreutils" "linux-firmware" "module-init-tools" "mkinitcpio>=0.5.20")
 117         optdepends=("linux-next-headers: to build third party modules such as NVIDIA drivers or OSSv4"
 118                     "crda: to set the correct wireless channels of your country")
 119         backup=(etc/mkinitcpio.d/linux-next.conf)
 120         install=linux-next.install
 121
 122         msg2 "Determining kernel name..."
 123         cd "$_sourcedir"
 124         _kernver="$(make O="$_builddir" kernelrelease)"
 125         msg2 "Kernel release name is: $_kernver"
 126
 127         cd "$_builddir"
 128
 129         msg2 "Installing kernel image..."
 130         install -D -m644 "arch/x86/boot/bzImage" "$pkgdir/boot/vmlinuz-linux-next"
 131
 132         msg2 "Installing modules (and firmware files)..."
 133         make INSTALL_MOD_PATH="$pkgdir" modules_install
 134
 135         if [ -d "$pkgdir/lib/firmware" ]; then
 136                 msg2 "Removing firmware files..."
 137                 rm -r "$pkgdir/lib/firmware"
 138         fi
 139
 140         if [ $_compress = "y" ]; then
 141                 msg2 "Compressing kernel modules with gzip..."
 142                 find "${pkgdir}" -name '*.ko' -exec gzip -9 {} \;
 143         fi
 144
 145         # make room for external modules
 146         rmdir "${pkgdir}/lib/modules/extramodules-*" &> /dev/null #remove the old one if it exists
 147         mkdir "${pkgdir}/lib/modules/extramodules-${_kernver}"
 148         ln -s "../extramodules-${_kernver}" "${pkgdir}/lib/modules/${_kernver}/extramodules"
 149         echo "${_kernver}" > "${pkgdir}/lib/modules/extramodules-${_kernver}/version"
 150
 151         msg2 "Installing System.map..."
 152         install -m644 "System.map" "$pkgdir/boot/System.map-next"
 153
 154         msg2 "Removing links to source and build directory..."
 155         rm "$pkgdir/lib/modules/$_kernver/"{build,source}
 156
 157         msg2 "Updating kernel version in install script..."
 158         sed -i "s/_kernel_version=.*/_kernel_version=$_kernver/" \
 159                 "$startdir/linux-next.install"
 160
 161         msg2 "Installing files for mkinitcpio..."
 162         install -D -m644 "$srcdir/linux-next.conf" \
 163                 "$pkgdir/etc/mkinitcpio.d/linux-next.conf"
 164
 165         install -D -m644 "$srcdir/linux-next.preset" \
 166                 "$pkgdir/etc/mkinitcpio.d/linux-next.preset"
 167         sed -i "s/^ALL_kver=.*$/ALL_kver=$_kernver/" \
 168                 "$pkgdir/etc/mkinitcpio.d/linux-next.preset"
 169 }
 170
 171 package_linux-next-headers() {
 172         # AUR workaround
 173         true && pkgdesc="Header files and scripts for building modules for linux-next"
 174         true && depends=("linux-next")
 175         true && provides=("linux-headers")
 176
 177         _srcdir="/usr/src/linux-$_kernver"
 178
 179         msg2 "Installing files necessary for 3rd party modules such as NVIDIA drivers or OSSv4..."
 180         mkdir -p "$pkgdir/$_srcdir/"{arch/x86,include}
 181
 182         install -D -m644 "$_sourcedir/Makefile" "$pkgdir/$_srcdir/Makefile"
 183         install -D -m644 "$_sourcedir/kernel/Makefile" "$pkgdir/$_srcdir/kernel/Makefile"
 184         install -D -m644 "$_builddir/.config" "$pkgdir/$_srcdir/.config"
 185         install -D -m644 "$_builddir/Module.symvers" "$pkgdir/$_srcdir/Module.symvers"
 186         install -D -m644 "$_builddir/include/linux/version.h" "$pkgdir/$_srcdir/include/linux/version.h"
 187         install -D -m644 "$_builddir/arch/x86/kernel/asm-offsets.s" "$pkgdir/$_srcdir/arch/x86/kernel/asm-offsets.s"
 188         install -D -m644 "$_sourcedir/arch/x86/Makefile" "$pkgdir/$_srcdir/arch/x86/Makefile"
 189
 190         if [ "$CARCH" = "i686" ]; then
 191                 install -D -m644 "$_sourcedir/arch/x86/Makefile_32.cpu" "$pkgdir/$_srcdir/arch/x86/Makefile_32.cpu"
 192         fi
 193
 194         cp -a "$_sourcedir/scripts" "$pkgdir/$_srcdir"
 195         cp -a "$_builddir/scripts" "$pkgdir/$_srcdir"
 196         cp -a "$_sourcedir/include" "$pkgdir/$_srcdir"
 197         cp -a "$_builddir/include/"{generated,config} "$pkgdir/$_srcdir/include"
 198         cp -a "$_sourcedir/arch/x86/include" "$pkgdir/$_srcdir/arch/x86"
 199
 200         cd "$_sourcedir"
 201         {
 202                 find drivers -type f -name "*.h";
 203                 find . -type f -name "Kconfig*";
 204         } | while read file; do
 205                 install -D -m644 "$file" "$pkgdir/$_srcdir/$file"
 206         done
 207
 208         msg2 "Fixing permissions on scripts directory..."
 209         chmod og-w -R "$pkgdir/$_srcdir/scripts"
 210
 211         msg2 "Creating symlinks..."
 212         mkdir -p "$pkgdir/lib/modules/$_kernver/"
 213         ln -s "$_srcdir" "$pkgdir/lib/modules/$_kernver/build"
 214         ln -s "$_srcdir" "$pkgdir/lib/modules/$_kernver/source"
 215 }
 216