path: root/libre/linux-libre/PKGBUILD

# Maintainer: David P. <megver83@parabola.nu>
# Contributor: André Silva <emulatorman@hyperbola.info>
# Contributor: Márcio Silva <coadde@hyperbola.info>
# Contributor: fauno <fauno@parabola.nu>
# Contributor: Sorin-Mihai Vârgolici <smv@yobicore.org>
# Contributor: Michał Masłowski <mtjm@mtjm.eu>
# Contributor: Luke Shumaker <lukeshu@sbcglobal.net>
# Contributor: Luke R. <g4jc@openmailbox.org>
# Contributor: Andreas Grapentin <andreas@grapentin.org>

# Based on linux package

pkgbase=linux-libre         # Build stock kernel
#pkgbase=linux-libre-custom # Build kernel with a different name
_pkgbasever=4.15-gnu
_pkgver=4.15.14-gnu

_replacesarchkernel=('linux%') # '%' gets replaced with _kernelname
_replacesoldkernels=() # '%' gets replaced with _kernelname
_replacesoldmodules=() # '%' gets replaced with _kernelname

_srcname=linux-${_pkgbasever%-*}
_archpkgver=${_pkgver%-*}
pkgver=${_pkgver//-/_}
pkgrel=1
rcnrel=armv7-x1
arch=('i686' 'x86_64' 'armv7h')
url="https://linux-libre.fsfla.org/"
license=('GPL2')
makedepends=('xmlto' 'kmod' 'inetutils' 'bc' 'libelf')
makedepends_armv7h=('git')
options=('!strip')
source=(
  "https://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgbasever}/linux-libre-${_pkgbasever}.tar.xz"{,.sign}
  "https://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgver}/patch-${_pkgbasever}-${_pkgver}.xz"{,.sign}
  "https://repo.parabola.nu/other/linux-libre/logos/logo_linux_clut224.ppm"{,.sig}
  "https://repo.parabola.nu/other/linux-libre/logos/logo_linux_mono.pbm"{,.sig}
  "https://repo.parabola.nu/other/linux-libre/logos/logo_linux_vga16.ppm"{,.sig}
  # the main kernel config files
  'config.i686' 'config.x86_64' 'config.armv7h'
  # pacman hooks for depmod and initramfs regeneration
  '60-linux.hook' '90-linux.hook'
  # standard config files for mkinitcpio ramdisk
  'linux.preset'
  # armv7h patches
  "https://repo.parabola.nu/other/rcn-libre/patches/${_pkgver%-*}/rcn-libre-${_pkgver%-*}-${rcnrel}.patch"{,.sig}
  '0001-ARM-atags-add-support-for-Marvell-s-u-boot.patch'
  '0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch'
  '0003-SMILE-Plug-device-tree-file.patch'
  '0004-fix-mvsdio-eMMC-timing.patch'
  '0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch'
  '0006-set-default-cubietruck-led-triggers.patch'
  '0007-exynos4412-odroid-set-higher-minimum-buck2-regulator.patch'
  '0008-disable-USB3-port-on-ODROID-XU.patch'
  '0009-ARM-dove-enable-ethernet-on-D3Plug.patch'
  '0010-power-add-power-sequence-library.patch'
  '0011-usb-core-add-power-sequence-handling-for-USB-devices.patch'
  '0012-ARM-dts-imx6qdl-Enable-usb-node-children-with-reg.patch'
  '0013-ARM-dts-imx6qdl-udoo.dtsi-fix-onboard-USB-HUB-proper.patch'
  '0014-ARM-dts-imx6q-evi-Fix-onboard-hub-reset-line.patch'
  # other patches
  '0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch'
  '0002-fix-Atmel-maXTouch-touchscreen-support.patch'
  '0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch'
  '0002-drm-i915-edp-Only-use-the-alternate-fixed-mode-if-it.patch'
)
validpgpkeys=(
  '474402C8C582DAFBE389C427BCB7CF877E7D47A7' # Alexandre Oliva
  '6DB9C4B4F0D8C0DC432CF6E4227CA7C556B2BA78' # David P.
)
sha512sums=('a55cc663c6fb1e1cfa7905282b368b5d5888bc2398f0acf37e5bb9a232ded04fd566b1980e654da26aaec005332e458581495184d6bd4cec669181085d4d78a5'
            'SKIP'
            'cdbdacb10b290fe43ed7581e9cf2308a094865a860f75780b3afbd8a3d4259972e5c9b612fce2beafc7417d6260a134a7a59e213ab2f8aedce651707c8c4c150'
            'SKIP'
            '13cb5bc42542e7b8bb104d5f68253f6609e463b6799800418af33eb0272cc269aaa36163c3e6f0aacbdaaa1d05e2827a4a7c4a08a029238439ed08b89c564bb3'
            'SKIP'
            '267295aa0cea65684968420c68b32f1a66a22d018b9d2b2c1ef14267bcf4cb68aaf7099d073cbfefe6c25c8608bdcbbd45f7ac8893fdcecbf1e621abdfe9ecc1'
            'SKIP'
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            'SKIP'
            '93cc2b304a116edb351d05a7b5c0a6b900fa4222474c26ac5dd15c754ddf0a0e2b7ec8bb40671fcb38c3be08c9279343456a3caf9d0b7ee4088b6afb4c465512'
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            '7ad5be75ee422dda3b80edd2eb614d8a9181e2c8228cd68b3881e2fb95953bf2dea6cbe7900ce1013c9de89b2802574b7b24869fc5d7a95d3cc3112c4d27063a'
            '4a8b324aee4cccf3a512ad04ce1a272d14e5b05c8de90feb82075f55ea3845948d817e1b0c6f298f5816834ddd3e5ce0a0e2619866289f3c1ab8fd2f35f04f44'
            '2dc6b0ba8f7dbf19d2446c5c5f1823587de89f4e28e9595937dd51a87755099656f2acec50e3e2546ea633ad1bfd1c722e0c2b91eef1d609103d8abdc0a7cbaf'
            '7da8f3fbeb1b697f758ff6c09dd17384b931cebaa5f2f735998f8d30d088af3d6a1895dc741df3c94f3edaad80c01b588667558a82ed029ecec69dfa39706c16'
            'SKIP'
            'ba44aa1252aa1b172e0bc8bbbff864ff60cad6739b2aed2f6a2402848aa65cdb8a8ca6bb9341569b089d60dfd83c3bdd744b5810061ac76b19f0d337afe4cc8d'
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            'f45d8d417eb3f4b6e02e337480bd99a8ebb4b9ac004c53a5432255e5841578fb64530663b6eacb3c8f40aaade8e1dc1e584aa1cf4b560103119e4b32e19b66c3'
            '25ee5d9859d3df2d054fd6d53fe6b8931d6ac9f85533c54f3dd926fce917c81bd96cb3858189a20cf28a32b43efd1566cb5513f7db18a0bb8ead1a4e8a7be6fc'
            'a1aa8272760da0c8d2772cc8a57d8600f08db176206afd2a155055d2969bf0295f342a156841964a07de53fbf0356385b604ad75e5556569872dfad1863b2c27'
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            'd90f3a3b74d65b84c4c2c229d10d2bb854e39e3429ba1469f8bb286819d559c68e00302de2be5043cf274b39a58686dc822c60afe1c553c4c967ef168d98af05'
            '0c1a4334fcb4e75d25ec43873275b2f8a599a096b05a51ef2f9d48f3c8425a153f5f0df775e030e61b792f8b34e9c848229028fb6d2411f85028441826951dd5'
            '0ccccf4411df6b86486b14e9354bf48355a2dc5bfefce693c5afc1a340db6f9db525a0306897ccbb5ed80304fa38ef13f32355cfeee1c9b684db0a9c0063d5c1'
            '1a491eab1b07e9fb0b8a8dba4ef17d658c85106e7f62f3a37c34513aa9cd50b4bbb273aa445380f2e2135adea68c7102718e71bf2c9f4d3a5c24515620606605'
            '9ae97a7f29323542d70576e8800e2090a69a43caee3182a453e80c3c3265d6cc04e2b5701e5d24d8a2717e29272950231b7e477aa32d69c7333c083626fc6802'
            '9b8829fd9bf6c91e5c9e21184c7f57b22d786c20a15512e91cc75890a5d08a633df555973b29f2da9a7d9b965abd0c76ecdefa5498217837389ad1d0be0fb754'
            '02af4dd2a007e41db0c63822c8ab3b80b5d25646af1906dc85d0ad9bb8bbf5236f8e381d7f91cf99ed4b0978c50aee37cb9567cdeef65b7ec3d91b882852b1af'
            'b8fe56e14006ab866970ddbd501c054ae37186ddc065bb869cf7d18db8c0d455118d5bda3255fb66a0dde38b544655cfe9040ffe46e41d19830b47959b2fb168'
            '0f5531df585efa48e72b335ab88973bbce6c3807db55dcfac2fcda20f69618ee5bd5881ab278bd8cdde1f96bc34d5becca11469516c56a157248e0ae793d8679'
            '04dfdfca8b59c2c3c18eb4b59f6466ef6d2fe6799a8b77f403fbce0554bfc739e43ff20897d9a6ed97ca101ab1bc1b067ff4a2491e3607b42de43f45005dc323')

_kernelname=${pkgbase#linux-libre}
_replacesarchkernel=("${_replacesarchkernel[@]/\%/${_kernelname}}")
_replacesoldkernels=("${_replacesoldkernels[@]/\%/${_kernelname}}")
_replacesoldmodules=("${_replacesoldmodules[@]/\%/${_kernelname}}")

case "${CARCH}" in
  i686|x86_64) KARCH=x86;;
  armv7h) KARCH=arm;;
esac

prepare() {
  cd ${_srcname}

  # add upstream patch
  if [ "${_pkgbasever}" != "${_pkgver}" ]; then
    patch -p1 -i ../patch-${_pkgbasever}-${_pkgver}
  fi
  
  if [ "${CARCH}" = "armv7h" ]; then
    # RCN patch (CM3 firmware deblobbed and AUFS removed)
    # Note: For stability reasons, AUFS has been removed in the RCN patch.
    # We are supporting AUFS in linux-libre-pck through PCK patch.
    # See https://wiki.parabola.nu/PCK for further details.
    git apply -v "${srcdir}/rcn-libre-${_pkgver%-*}-${rcnrel}.patch"

    # ALARM patches
    patch -p1 -i "${srcdir}/0001-ARM-atags-add-support-for-Marvell-s-u-boot.patch"
    patch -p1 -i "${srcdir}/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch"
    patch -p1 -i "${srcdir}/0003-SMILE-Plug-device-tree-file.patch"
    patch -p1 -i "${srcdir}/0004-fix-mvsdio-eMMC-timing.patch"
    patch -p1 -i "${srcdir}/0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch"
    patch -p1 -i "${srcdir}/0006-set-default-cubietruck-led-triggers.patch"
    patch -p1 -i "${srcdir}/0007-exynos4412-odroid-set-higher-minimum-buck2-regulator.patch"
    patch -p1 -i "${srcdir}/0008-disable-USB3-port-on-ODROID-XU.patch"
    patch -p1 -i "${srcdir}/0009-ARM-dove-enable-ethernet-on-D3Plug.patch"
    patch -p1 -i "${srcdir}/0010-power-add-power-sequence-library.patch"
    patch -p1 -i "${srcdir}/0011-usb-core-add-power-sequence-handling-for-USB-devices.patch"
    patch -p1 -i "${srcdir}/0012-ARM-dts-imx6qdl-Enable-usb-node-children-with-reg.patch"
    patch -p1 -i "${srcdir}/0013-ARM-dts-imx6qdl-udoo.dtsi-fix-onboard-USB-HUB-proper.patch"
    patch -p1 -i "${srcdir}/0014-ARM-dts-imx6q-evi-Fix-onboard-hub-reset-line.patch"
  fi

  # add freedo as boot logo
  install -m644 -t drivers/video/logo \
    "${srcdir}/logo_linux_"{clut224.ppm,vga16.ppm,mono.pbm}

  # add latest fixes from stable queue, if needed
  # http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git

  # disable USER_NS for non-root users by default
  patch -Np1 -i ../0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch

  # https://bugs.archlinux.org/task/56711
  patch -Np1 -i ../0002-drm-i915-edp-Only-use-the-alternate-fixed-mode-if-it.patch
  
  # maintain the TTY over USB disconnects
  # http://www.coreboot.org/EHCI_Gadget_Debug
  patch -p1 -i "${srcdir}/0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch"

  # fix Atmel maXTouch touchscreen support
  # https://labs.parabola.nu/issues/877
  # http://www.fsfla.org/pipermail/linux-libre/2015-November/003202.html
  patch -p1 -i "${srcdir}/0002-fix-Atmel-maXTouch-touchscreen-support.patch"

  cat ../config.${CARCH} - >.config <<END
CONFIG_LOCALVERSION="${_kernelname}"
CONFIG_LOCALVERSION_AUTO=n
END

  # append pkgrel to extraversion and empty localversion
  sed -e "/^EXTRAVERSION = -gnu/s/-gnu.*/-gnu-${pkgrel}/" \
      -e "/^EXTRAVERSION =/aLOCALVERSION =" \
      -i Makefile

  # don't run depmod on 'make install'. We'll do this ourselves in packaging
  sed -i '2iexit 0' scripts/depmod.sh

  # get kernel version
  make prepare

  # load configuration
  # Configure the kernel. Replace the line below with one of your choice.
  #make menuconfig # CLI menu for configuration
  #make nconfig # new CLI menu for configuration
  #make xconfig # X-based configuration
  #make oldconfig # using old config from previous kernel version
  # ... or manually edit .config

  # rewrite configuration
  yes "" | make config >/dev/null
}

build() {
  cd ${_srcname}

  if [ "${CARCH}" = "armv7h" ]; then
    make ${MAKEFLAGS} LOCALVERSION= zImage modules dtbs
  elif [ "${CARCH}" = "x86_64" ] || [ "${CARCH}" = "i686" ]; then
    make ${MAKEFLAGS} LOCALVERSION= bzImage modules
  fi
}

_package() {
  pkgdesc="The ${pkgbase^} kernel and modules"
  [ "${pkgbase}" = "linux-libre" ] && groups=('base' 'base-openrc')
  depends=('coreutils' 'linux-libre-firmware' 'kmod' 'mkinitcpio>=0.7')
  optdepends=('crda: to set the correct wireless channels of your country')
  provides=("${_replacesarchkernel[@]/%/=${_archpkgver}}")
  conflicts=("${_replacesarchkernel[@]}" "${_replacesoldkernels[@]}" "${_replacesoldmodules[@]}")
  replaces=("${_replacesarchkernel[@]}" "${_replacesoldkernels[@]}" "${_replacesoldmodules[@]}")
  backup=("etc/mkinitcpio.d/${pkgbase}.preset")
  install=linux.install

  cd ${_srcname}

  # get kernel version
  _kernver="$(make kernelrelease)"
  _basekernel=${_kernver%%-*}
  _basekernel=${_basekernel%.*}

  mkdir -p "${pkgdir}"/{boot,usr/lib/modules}
  make INSTALL_MOD_PATH="${pkgdir}/usr" modules_install
  if [ "${CARCH}" = "armv7h" ]; then
    make LOCALVERSION= INSTALL_DTBS_PATH="${pkgdir}/boot/dtbs/${pkgbase}" dtbs_install
    cp arch/$KARCH/boot/zImage "${pkgdir}/boot/vmlinuz-${pkgbase}"
  elif [ "${CARCH}" = "x86_64" ] || [ "${CARCH}" = "i686" ]; then
    cp arch/$KARCH/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}"
  fi

  # make room for external modules
  local _extramodules="extramodules-${_basekernel}${_kernelname}"
  ln -s "../${_extramodules}" "${pkgdir}/usr/lib/modules/${_kernver}/extramodules"

  # add real version for building modules and running depmod from hook
  echo "${_kernver}" |
    install -Dm644 /dev/stdin "${pkgdir}/usr/lib/modules/${_extramodules}/version"

  # remove build and source links
  rm "${pkgdir}"/usr/lib/modules/${_kernver}/{source,build}

  # now we call depmod...
  depmod -b "${pkgdir}/usr" -F System.map "${_kernver}"

  if [ "${CARCH}" = "x86_64" ] || [ "${CARCH}" = "i686" ]; then
    # add vmlinux
    install -Dt "${pkgdir}/usr/lib/modules/${_kernver}/build" -m644 vmlinux
  fi

  # sed expression for following substitutions
  if [ "${CARCH}" = "armv7h" ]; then
  local _subst="
    s|/boot/vmlinuz-%PKGBASE%|${_kernver}|g
    s|%PKGBASE%|${pkgbase}|g
    s|%KERNVER%|${_kernver}|g
    s|%EXTRAMODULES%|${_extramodules}|g
  "
  elif [ "${CARCH}" = "x86_64" ] || [ "${CARCH}" = "i686" ]; then
  local _subst="
    s|%PKGBASE%|${pkgbase}|g
    s|%KERNVER%|${_kernver}|g
    s|%EXTRAMODULES%|${_extramodules}|g
  "
  fi

  # hack to allow specifying an initially nonexisting install file
  sed "${_subst}" "${startdir}/${install}" > "${startdir}/${install}.pkg"
  true && install=${install}.pkg

  # install mkinitcpio preset file
  sed "${_subst}" ../linux.preset |
    install -Dm644 /dev/stdin "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"

  # install pacman hooks
  sed "${_subst}" ../60-linux.hook |
    install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/60-${pkgbase}.hook"
  sed "${_subst}" ../90-linux.hook |
    install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/90-${pkgbase}.hook"
}

_package-headers() {
  pkgdesc="Header files and scripts for building modules for ${pkgbase^} kernel"
  provides=("${_replacesarchkernel[@]/%/-headers=${_archpkgver}}")
  conflicts=("${_replacesarchkernel[@]/%/-headers}" "${_replacesoldkernels[@]/%/-headers}")
  replaces=("${_replacesarchkernel[@]/%/-headers}" "${_replacesoldkernels[@]/%/-headers}")
  
  cd ${_srcname}
  local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build"

  install -Dt "${_builddir}" -m644 Makefile .config Module.symvers
  install -Dt "${_builddir}/kernel" -m644 kernel/Makefile

  mkdir "${_builddir}/.tmp_versions"

  cp -t "${_builddir}" -a include scripts

  install -Dt "${_builddir}/arch/${KARCH}" -m644 arch/${KARCH}/Makefile
  install -Dt "${_builddir}/arch/${KARCH}/kernel" -m644 arch/${KARCH}/kernel/asm-offsets.s

  if [[ ${CARCH} = i686 ]]; then
    install -t "${_builddir}/arch/${KARCH}" -m644 arch/${KARCH}/Makefile_32.cpu
  fi

  cp -t "${_builddir}/arch/${KARCH}" -a arch/${KARCH}/include

  install -Dt "${_builddir}/drivers/md" -m644 drivers/md/*.h
  install -Dt "${_builddir}/net/mac80211" -m644 net/mac80211/*.h

  # http://bugs.archlinux.org/task/9912
  install -Dt "${_builddir}/drivers/media/dvb-core" -m644 drivers/media/dvb-core/*.h

  # http://bugs.archlinux.org/task/13146
  install -Dt "${_builddir}/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h

  # http://bugs.archlinux.org/task/20402
  install -Dt "${_builddir}/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
  install -Dt "${_builddir}/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
  install -Dt "${_builddir}/drivers/media/tuners" -m644 drivers/media/tuners/*.h

  # add xfs and shmem for aufs building
  mkdir -p "${_builddir}"/{fs/xfs,mm}

  # copy in Kconfig files
  find . -name Kconfig\* -exec install -Dm644 {} "${_builddir}/{}" \;

  # add objtool for external module building and enabled VALIDATION_STACK option
  if [[ -e tools/objtool/objtool ]]; then
    install -Dt "${_builddir}/tools/objtool" tools/objtool/objtool
  fi

  # remove unneeded architectures
  local _arch
  for _arch in "${_builddir}"/arch/*/; do
    [[ ${_arch} == */${KARCH}/ ]] && continue
    rm -r "${_arch}"
  done

  # remove files already in linux-docs package
  rm -r "${_builddir}/Documentation"
  
  # parabola changes
  # 
  # since we don't want to diverge too much from arch's pkgbuild, we'll
  # start marking our changes as such
  if [ "${CARCH}" = "armv7h" ]; then
    for i in dove exynos omap2; do
      mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/mach-${i}"
      cp -a arch/${KARCH}/mach-${i}/include "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/mach-${i}/"
    done
    for i in omap orion samsung versatile; do
      mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/plat-${i}"
      cp -a arch/${KARCH}/plat-${i}/include "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/plat-${i}/"
    done
  fi
  # end of parabola changes

  # remove now broken symlinks
  find -L "${_builddir}" -type l -printf 'Removing %P\n' -delete

  # Fix permissions
  chmod -R u=rwX,go=rX "${_builddir}"

  # strip scripts directory
  local _binary _strip
  while read -rd '' _binary; do
    case "$(file -bi "${_binary}")" in
      *application/x-sharedlib*)  _strip="${STRIP_SHARED}"   ;; # Libraries (.so)
      *application/x-archive*)    _strip="${STRIP_STATIC}"   ;; # Libraries (.a)
      *application/x-executable*) _strip="${STRIP_BINARIES}" ;; # Binaries
      *) continue ;;
    esac
    /usr/bin/strip ${_strip} "${_binary}"
  done < <(find "${_builddir}/scripts" -type f -perm -u+w -print0 2>/dev/null)
}

_package-docs() {
  pkgdesc="Kernel hackers manual - HTML documentation that comes with the ${pkgbase^} kernel"
  provides=("${_replacesarchkernel[@]/%/-docs=${_archpkgver}}")
  conflicts=("${_replacesarchkernel[@]/%/-docs}" "${_replacesoldkernels[@]/%/-docs}")
  replaces=("${_replacesarchkernel[@]/%/-docs}" "${_replacesoldkernels[@]/%/-docs}")
  
  cd ${_srcname}
  local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build"

  mkdir -p "${_builddir}"
  cp -t "${_builddir}" -a Documentation

  # Fix permissions
  chmod -R u=rwX,go=rX "${_builddir}"
}

pkgname=("${pkgbase}" "${pkgbase}-headers" "${pkgbase}-docs")
for _p in ${pkgname[@]}; do
  eval "package_${_p}() {
    $(declare -f "_package${_p#${pkgbase}}")
    _package${_p#${pkgbase}}
  }"
done

# vim:set ts=8 sts=2 sw=2 et: