linux-zen/PKGBUILD

   1 # Maintainer: Matt Parnell/ilikenwf <parwok@gmail.com>
   2 # Original PKGBUILD Contributor: Patrick Bartels <p4ddy.b@gmail.com>
   3 # Thanks to Bregol
   4
   5 # Uncomment the line below if you want to maintain the git tree yourself.
   6 #_no_update="y"
   7
   8 # AUR workaround...
   9 pkgname="linux-zen"
  10
  11 true && pkgbase="linux-zen"
  12 true && pkgname=("linux-zen" "linux-zen-headers")
  13 pkgver=20120107
  14 pkgrel=1
  15 pkgdesc="Featureful kernel including various new features, code and optimizations to better suit desktops"
  16 url="http://www.zen-kernel.org"
  17 license=("GPL2")
  18 arch=("i686" "x86_64")
  19 makedepends=("git")
  20 options=("!strip")
  21 source=(linux-zen.conf
  22         linux-zen.preset)
  23 md5sums=('ccec126fa0bfce4222a526ca02cf2de8'
  24          '9769bc748f06ba48bed13203cc6efeea')
  25
  26 _gitroot="git://zen-kernel.org/kernel/zen-stable.git"
  27 _gitname="zen-sources"
  28
  29 _builddir="$srcdir/build/"
  30 _sourcedir="$srcdir/$_gitname/"
  31
  32 # compress the modules or not
  33 _compress="y"
  34
  35 fetch_sources() {
  36         if [ ! -d "$_gitname" ]; then
  37                 cd "$srcdir"
  38                 msg2 "Cloning initial copy of zen-sources..."
  39                 warning "This may take some time depending on your available bandwidth."
  40
  41                 git clone --depth 1 "$_gitroot" "$_gitname"
  42
  43                 _no_update="y" # update is not necessary
  44         fi
  45
  46         if [ "$_no_update" = "y" ]; then
  47                 msg2 "Skipping tree update..."
  48         else
  49                 cd "$srcdir/$_gitname"
  50
  51                 msg2 "Updating local tree..."
  52                 if git fetch; then
  53                         msg2 "Attempting to merge changes..."
  54
  55                         if ! git merge origin/master; then
  56                                 error "Merging failed..."
  57
  58                                 msg2 "Fixing local repository..."
  59                                 git checkout -f "master"
  60                                 git clean -xdf
  61                                 git reset --hard "origin/master"
  62                         fi
  63                 else
  64                         error "Update failed..."
  65                 fi
  66
  67                 warning "Press ENTER if you want to continue or CTRL+C to abort..."
  68                 read
  69         fi
  70 }
  71
  72 build() {
  73         fetch_sources
  74
  75         if [ -e "$_builddir/.config" ]; then
  76                 msg2 "Using existing config found in build environment..."
  77         else
  78                 if [ ! -d "$_builddir" ]; then
  79                         msg2 "Creating build directory..."
  80                         mkdir -p "$_builddir"
  81                 fi
  82
  83                 msg2 "Creating default config..." # also initializes the output directory
  84                 make -C "$_sourcedir" O="$_builddir" defconfig > /dev/null
  85
  86                 warning "This package does not ship a kernel config."
  87
  88                 plain   ""
  89                 warning "Thus it is up to you to create a one that fits your needs."
  90                 warning "Navigate to '$_builddir'"
  91                 warning "and either run 'make menuconfig' or if you want to use an existing config,"
  92                 warning "save it as '.config' and run 'make oldconfig' in order to update it."
  93                 warning "Having done that you can run 'makepkg' again."
  94                 plain   ""
  95
  96                 return 1
  97         fi
  98
  99         msg2 "Updating output directory Makefile..."
 100         make -C "$_sourcedir" O="$_builddir" outputmakefile
 101
 102         warning "Press ENTER if you want to build the kernel or CTRL+C to abort..."
 103         read
 104
 105         # Number of CPU Cores
 106         _CORES=$(cat /proc/cpuinfo|grep processor|wc -l)
 107         if [ $_CORES -lt 1 ]; then
 108                 _CORES=1
 109         fi
 110
 111         cd "$_builddir"
 112         msg2 "Building kernel..."; make -j $_CORES bzImage
 113         msg2 "Building modules..."; make -j $_CORES modules
 114 }
 115
 116 package_linux-zen() {
 117         depends=("coreutils" "linux-firmware" "module-init-tools" "mkinitcpio>=0.5.20")
 118         optdepends=("linux-zen-headers: to build third party modules such as NVIDIA drivers or OSSv4"
 119                     "crda: to set the correct wireless channels of your country")
 120         true && conflicts=("kernel26zen")
 121         backup=(etc/mkinitcpio.d/linux-zen.conf)
 122         install=linux-zen.install
 123
 124         msg2 "Determining kernel name..."
 125         cd "$_sourcedir"
 126         _kernver="$(make O="$_builddir" kernelrelease)"
 127         msg2 "Kernel release name is: $_kernver"
 128
 129         cd "$_builddir"
 130
 131         msg2 "Installing kernel image..."
 132         install -D -m644 "arch/x86/boot/bzImage" "$pkgdir/boot/vmlinuz-linux-zen"
 133
 134         msg2 "Installing modules (and firmware files)..."
 135         make INSTALL_MOD_PATH="$pkgdir" modules_install
 136
 137         if [ -d "$pkgdir/lib/firmware" ]; then
 138                 msg2 "Removing firmware files..."
 139                 rm -r "$pkgdir/lib/firmware"
 140         fi
 141
 142         if [ $_compress = "y" ]; then
 143                 msg2 "Compressing kernel modules with gzip..."
 144                 find "${pkgdir}" -name '*.ko' -exec gzip -9 {} \;
 145         fi
 146
 147         # make room for external modules
 148         rmdir "${pkgdir}/lib/modules/extramodules-*" &> /dev/null #remove the old one if it exists
 149         mkdir "${pkgdir}/lib/modules/extramodules-${_kernver}"
 150         ln -s "../extramodules-${_kernver}" "${pkgdir}/lib/modules/${_kernver}/extramodules"
 151         echo "${_kernver}" > "${pkgdir}/lib/modules/extramodules-${_kernver}/version"
 152
 153         msg2 "Installing System.map..."
 154         install -m644 "System.map" "$pkgdir/boot/System.map26-zen"
 155
 156         msg2 "Removing links to source and build directory..."
 157         rm "$pkgdir/lib/modules/$_kernver/"{build,source}
 158
 159         msg2 "Updating kernel version in install script..."
 160         sed -i "s/_kernel_version=.*/_kernel_version=$_kernver/" \
 161                 "$startdir/linux-zen.install"
 162
 163         msg2 "Installing files for mkinitcpio..."
 164         install -D -m644 "$srcdir/linux-zen.conf" \
 165                 "$pkgdir/etc/mkinitcpio.d/linux-zen.conf"
 166
 167         install -D -m644 "$srcdir/linux-zen.preset" \
 168                 "$pkgdir/etc/mkinitcpio.d/linux-zen.preset"
 169         sed -i "s/^ALL_kver=.*$/ALL_kver=$_kernver/" \
 170                 "$pkgdir/etc/mkinitcpio.d/linux-zen.preset"
 171 }
 172
 173 package_linux-zen-headers() {
 174         # AUR workaround
 175         true && pkgdesc="Header files and scripts for building modules for linux-zen"
 176         true && depends=("linux-zen")
 177         true && conflicts=("kernel26zen-headers")
 178         true && provides=("linux-headers")
 179
 180         _srcdir="/usr/src/linux-$_kernver"
 181
 182         msg2 "Installing files necessary for 3rd party modules such as NVIDIA drivers or OSSv4..."
 183         mkdir -p "$pkgdir/$_srcdir/"{arch/x86,include}
 184
 185         install -D -m644 "$_sourcedir/Makefile" "$pkgdir/$_srcdir/Makefile"
 186         install -D -m644 "$_sourcedir/kernel/Makefile" "$pkgdir/$_srcdir/kernel/Makefile"
 187         install -D -m644 "$_builddir/.config" "$pkgdir/$_srcdir/.config"
 188         install -D -m644 "$_builddir/Module.symvers" "$pkgdir/$_srcdir/Module.symvers"
 189         install -D -m644 "$_builddir/include/linux/version.h" "$pkgdir/$_srcdir/include/linux/version.h"
 190         install -D -m644 "$_builddir/arch/x86/kernel/asm-offsets.s" "$pkgdir/$_srcdir/arch/x86/kernel/asm-offsets.s"
 191         install -D -m644 "$_sourcedir/arch/x86/Makefile" "$pkgdir/$_srcdir/arch/x86/Makefile"
 192
 193         if [ "$CARCH" = "i686" ]; then
 194                 install -D -m644 "$_sourcedir/arch/x86/Makefile_32.cpu" "$pkgdir/$_srcdir/arch/x86/Makefile_32.cpu"
 195         fi
 196
 197         cp -a "$_sourcedir/scripts" "$pkgdir/$_srcdir"
 198         cp -a "$_builddir/scripts" "$pkgdir/$_srcdir"
 199         cp -a "$_sourcedir/include" "$pkgdir/$_srcdir"
 200         cp -a "$_builddir/include/"{generated,config} "$pkgdir/$_srcdir/include"
 201         cp -a "$_sourcedir/arch/x86/include" "$pkgdir/$_srcdir/arch/x86"
 202
 203         cd "$_sourcedir"
 204         {
 205                 find drivers -type f -name "*.h";
 206                 find . -type f -name "Kconfig*";
 207         } | while read file; do
 208                 install -D -m644 "$file" "$pkgdir/$_srcdir/$file"
 209         done
 210
 211         msg2 "Fixing permissions on scripts directory..."
 212         chmod og-w -R "$pkgdir/$_srcdir/scripts"
 213
 214         msg2 "Creating symlinks..."
 215         mkdir -p "$pkgdir/lib/modules/$_kernver/"
 216         ln -s "$_srcdir" "$pkgdir/lib/modules/$_kernver/build"
 217         ln -s "$_srcdir" "$pkgdir/lib/modules/$_kernver/source"
 218 }
 219