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# Maintainer: David Runge <dvzrv@archlinux.org>

# Maintainer: Piotr Gorski <lucjan.lucjanov@gmail.com>

# Maintainer: Joakim Hernberg <jbh@alchemy.lu>

# Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>

# Contributor: Tobias Powalowski <tpowa@archlinux.org>

# Contributor: Thomas Baechler <thomas@archlinux.org>

pkgbase=linux-rt

### BUILD OPTIONS

pkgver=5.11.4.11.arch1

# Set these variables to ANYTHING that is not null to enable them

pkgrel=1

pkgdesc='Linux RT'

### Tweak kernel options prior to a build via nconfig

_makenconfig=

### Tweak kernel options prior to a build via menuconfig

_makemenuconfig=

### Tweak kernel options prior to a build via xconfig

_makexconfig=

### Tweak kernel options prior to a build via gconfig

_makegconfig=

### Running with a 1000 HZ tick rate

_1k_HZ_ticks=y

# NUMA is optimized for multi-socket motherboards.

# A single multi-core CPU actually runs slower with NUMA enabled.

# See, https://bugs.archlinux.org/task/31187

_NUMAdisable=y

# Compile ONLY used modules to VASTLYreduce the number of modules built

# and the build time.

# To keep track of which modules are needed for your specific system/hardware,

# give module_db script a try: https://aur.archlinux.org/packages/modprobed-db

# This PKGBUILD read the database kept if it exists

# More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db

_localmodcfg=

# Use the current kernel's .config file

# Enabling this option will use the .config of the RUNNING kernel rather than

# the ARCH defaults. Useful when the package gets updated and you already went

# through the trouble of customizing your config options. NOT recommended when

# a new kernel is released, but again, convenient for package bumps.

_use_current=

### Do not edit below this line unless you know what you're doing

pkgbase=linux-rt-bfq-dev

# pkgname=('linux-rt-bfq-dev' 'linux-rt-bfq-dev-headers' 'linux-rt-bfq-dev-docs')

_major=5.11

_minor=4

_rtver=11

_rtpatchver=rt${_rtver}

pkgver=${_major}.${_minor}.${_rtpatchver}

_pkgver=${_major}.${_minor}

_srcname=linux-${_pkgver}

pkgrel=13

pkgdesc='Linux RT-BFQ-dev'

arch=('x86_64')

url="https://wiki.linuxfoundation.org/realtime/start"

url="https://github.com/sirlucjan/bfq-mq-lucjan"

license=('GPL2')

makedepends=('bc' 'git' 'graphviz' 'imagemagick' 'kmod' 'libelf' 'pahole'

'python-sphinx' 'python-sphinx_rtd_theme' 'xmlto')

options=('!strip')

source=(

makedepends=('kmod' 'bc' 'libelf' 'python-sphinx' 'python-sphinx_rtd_theme'

"git+https://gitlab.archlinux.org/dvzrv/linux-rt#tag=v${pkgver}?signed"

'graphviz' 'imagemagick' 'pahole' 'cpio' 'perl' 'tar' 'xz')

config

#_lucjanpath="https://raw.githubusercontent.com/sirlucjan/kernel-patches/master/${_major}"

)

_lucjanpath="https://gitlab.com/sirlucjan/kernel-patches/raw/master/${_major}"

sha512sums=('SKIP'

# Some patches for BFQ conflict with patches for BFQ-dev.

'977ac2ff9c344619758aa30aeb1c9fd6ad2777c99774a5a2b6956cd85c38640a00a4f292a53195fca15e645e2cba3bb725a4d0ca043b3a03261d456504512824')

# To use linux-bfq-dev smoothly apply bfq-reverts before bfq-dev patch.

b2sums=('SKIP'

# Otherwise the kernel will not compile.

'56cd37f1ac075db2cd4b30a9bb2bedcb0a9c4648cc23e408a121a529d090b894c7e919b9ea996e30ca23f559fde6172594935af3083e69ce5e1c62719e3658fa')

#_bfq_rev_path="bfq-reverts-all"

validpgpkeys=(

#_bfq_rev_patch="0001-bfq-reverts.patch"

'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman <gregkh@kernel.org>

#_bfq_path="bfq-dev-lucjan"

'64254695FFF0AA4466CC19E67B96E8162A8CF5D1' # Sebastian Andrzej Siewior

#_bfq_ver="v14"

'C7E7849466FE2358343588377258734B41C31549' # David Runge <dvzrv@archlinux.org>

#_bfq_rel="r2K210223"

)

#_bfq_patch="${_major}-${_bfq_path}-${_bfq_ver}-${_bfq_rel}.patch"

_bfq_path="bfq-lucjan"

_bfq_rel="r2K210325"

_bfq_patch="${_major}-${_bfq_path}-${_bfq_rel}.patch"

_gcc_path="cpu-patches-v4-sep"

_gcc_patch="0001-cpu-${_major}-merge-graysky-s-patchset.patch"

source=("https://www.kernel.org/pub/linux/kernel/v5.x/${_srcname}.tar.xz"

"https://www.kernel.org/pub/linux/kernel/v5.x/${_srcname}.tar.sign"

"http://www.kernel.org/pub/linux/kernel/projects/rt/${_major}/patch-${_pkgver}-${_rtpatchver}.patch.xz"

"http://www.kernel.org/pub/linux/kernel/projects/rt/${_major}/patch-${_pkgver}-${_rtpatchver}.patch.sign"

#"${_lucjanpath}/${_bfq_rev_path}/${_bfq_rev_patch}"

"${_lucjanpath}/${_bfq_path}/${_bfq_patch}"

"${_lucjanpath}/${_gcc_path}/${_gcc_patch}"

"${_lucjanpath}/arch-patches-v9/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch"

# the main kernel config files

'config')

export KBUILD_BUILD_HOST=archlinux

export KBUILD_BUILD_USER=$pkgbase

export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"

prepare() {

cd "${pkgbase}"

cd $_srcname

echo "Setting version..."

### Add rt patch

scripts/setlocalversion --save-scmversion

echo "Add rt patch"

echo "-$pkgrel" > localversion.10-pkgrel

patch -Np1 -i ../patch-${_pkgver}-${_rtpatchver}.patch

echo "${pkgbase#linux}" > localversion.20-pkgname

local src

### Setting version

for src in "${source[@]}"; do

echo "Setting version..."

src="${src%%::*}"

scripts/setlocalversion --save-scmversion

src="${src##*/}"

echo "-$pkgrel" > localversion.10-pkgrel

# picking up the RT patch

echo "${pkgbase#linux}" > localversion.20-pkgname

src="${src//patch.xz/patch}"

[[ $src = *.patch ]] || continue

echo "Applying patch $src..."

patch -Np1 < "../$src"

done

echo "Setting config..."

### Patching sources

cp ../config .config

local src

make olddefconfig

for src in "${source[@]}"; do

# make nconfig

src="${src%%::*}"

src="${src##*/}"

[[ $src = *.patch ]] || continue

echo "Applying patch $src..."

patch -Np1 < "../$src"

done

make -s kernelrelease > version

### Setting config

echo "Prepared $pkgbase version $(<version)"

echo "Setting config..."

cp ../config .config

make olddefconfig

### Prepared version

make -s kernelrelease > version

echo "Prepared $pkgbase version $(<version)"

### Optionally use running kernel's config

# code originally by nous; http://aur.archlinux.org/packages.php?ID=40191

if [ -n "$_use_current" ]; then

if [[ -s /proc/config.gz ]]; then

echo "Extracting config from /proc/config.gz..."

# modprobe configs

zcat /proc/config.gz > ./.config

else

warning "Your kernel was not compiled with IKCONFIG_PROC!"

warning "You cannot read the current config!"

warning "Aborting!"

exit

### Optionally set tickrate to 1000

if [ -n "$_1k_HZ_ticks" ]; then

echo "Setting tick rate to 1k..."

scripts/config --disable CONFIG_HZ_300

scripts/config --enable CONFIG_HZ_1000

scripts/config --set-val CONFIG_HZ 1000

### Optionally disable NUMA for 64-bit kernels only

# (x86 kernels do not support NUMA)

if [ -n "$_NUMAdisable" ]; then

echo "Disabling NUMA from kernel config..."

scripts/config --disable CONFIG_NUMA

### Optionally load needed modules for the make localmodconfig

# See https://aur.archlinux.org/packages/modprobed-db

if [ -n "$_localmodcfg" ]; then

if [ -f $HOME/.config/modprobed.db ]; then

echo "Running Steven Rostedt's make localmodconfig now"

make LSMOD=$HOME/.config/modprobed.db localmodconfig

else

echo "No modprobed.db data found"

exit

### Running make nconfig

[[ -z "$_makenconfig" ]] || make nconfig

### Running make menuconfig

[[ -z "$_makemenuconfig" ]] || make menuconfig

### Running make xconfig

[[ -z "$_makexconfig" ]] || make xconfig

### Running make gconfig

[[ -z "$_makegconfig" ]] || make gconfig

### Save configuration for later reuse

cat .config > "${startdir}/config.last"

}

build() {

cd "${pkgbase}"

cd $_srcname

make all

make htmldocs

}

_package() {

pkgdesc="The $pkgdesc kernel and modules"

depends=(coreutils initramfs kmod)

depends=('coreutils' 'kmod' 'initramfs')

optdepends=('crda: to set the correct wireless channels of your country'

'linux-firmware: firmware images needed for some devices')

'linux-firmware: firmware images needed for some devices'

provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)

'modprobed-db: Keeps track of EVERY kernel module that has ever been probed - useful for those of us who make localmodconfig')

provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE linux-rt-bfq)

replaces=('linux-rt-bfq')

conflicts=('linux-rt-bfq')

cd "${pkgbase}"

cd $_srcname

local kernver="$(<version)"

local modulesdir="$pkgdir/usr/lib/modules/$kernver"

echo "Installing boot image..."

# systemd expects to find the kernel here to allow hibernation

# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344

install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"

# Used by mkinitcpio to name the kernel

echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"

echo "Installing modules..."

make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install

# remove build and source links

rm "$modulesdir"/{source,build}

}

_package-headers() {

pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"

depends=(pahole)

depends=('linux-rt-bfq-dev' 'pahole')

replaces=('linux-rt-bfq-headers')

conflicts=('linux-rt-bfq-headers')

provides=('linux-rt-bfq-headers')

cd "${pkgbase}"

cd $_srcname

local builddir="$pkgdir/usr/lib/modules/$(<version)/build"

echo "Installing build files..."

install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \

localversion.* version vmlinux

install -Dt "$builddir/kernel" -m644 kernel/Makefile

install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile

cp -t "$builddir" -a scripts

# add objtool for external module building and enabled VALIDATION_STACK option

install -Dt "$builddir/tools/objtool" tools/objtool/objtool

# add xfs and shmem for aufs building

mkdir -p "$builddir"/{fs/xfs,mm}

echo "Installing headers..."

cp -t "$builddir" -a include

cp -t "$builddir/arch/x86" -a arch/x86/include

install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s

install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h

install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.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

echo "Installing KConfig files..."

find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;

echo "Removing unneeded architectures..."

local arch

for arch in "$builddir"/arch/*/; do

[[ $arch = */x86/ ]] && continue

echo "Removing $(basename "$arch")"

rm -r "$arch"

done

echo "Removing documentation..."

rm -r "$builddir/Documentation"

echo "Removing broken symlinks..."

find -L "$builddir" -type l -printf 'Removing %P\n' -delete

echo "Removing loose objects..."

find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete

echo "Stripping build tools..."

local file

while read -rd '' file; do

case "$(file -bi "$file")" in

application/x-sharedlib\;*) # Libraries (.so)

strip -v $STRIP_SHARED "$file" ;;

application/x-archive\;*) # Libraries (.a)

strip -v $STRIP_STATIC "$file" ;;

application/x-executable\;*) # Binaries

strip -v $STRIP_BINARIES "$file" ;;

application/x-pie-executable\;*) # Relocatable binaries

strip -v $STRIP_SHARED "$file" ;;

esac

done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)

echo "Stripping vmlinux..."

strip -v $STRIP_STATIC "$builddir/vmlinux"

echo "Adding symlink..."

mkdir -p "$pkgdir/usr/src"

ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"

}

_package-docs() {

pkgdesc="Documentation for the $pkgdesc kernel"

depends=('linux-rt-bfq-dev')

replaces=('linux-rt-bfq-docs')

conflicts=('linux-rt-bfq-docs')

provides=('linux-rt-bfq-docs')

cd "${pkgbase}"

cd $_srcname

local builddir="$pkgdir/usr/lib/modules/$(<version)/build"

echo "Installing documentation..."

local src dst

while read -rd '' src; do

dst="${src#Documentation/}"

dst="$builddir/Documentation/${dst#output/}"

install -Dm644 "$src" "$dst"

done < <(find Documentation -name '.*' -prune -o ! -type d -print0)

echo "Adding symlink..."

mkdir -p "$pkgdir/usr/share/doc"

ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"

}

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:

sha512sums=('69bf72b99b0ef55cb9cd8c37bc9670e0dc7d97ab1f5b9f7edd2c161e8489d3aac43eeb23fd52f32fb78a627dc74fbaeaeb7df63bf93420f5ae588fe9f457e98e'

'SKIP'

'e37ebf7e6c0f669f35bbc96bbbb096ae37541aeb65c540caa1201fcc11ebd7b7cca1a6a5f42b92e1da4040c92f882fb7830d054051d5b37a7b178a2de5ca3e24'

'SKIP'

'64a5b940cac72be8fc50c3feb93550e1da140df4708fe70da15a39c304021707d5638be6b75c7077a2ca56637025dfed50f00919972eafd270be59ba6c079312'

'08ba50a763f71267215ebf00f136edf68c63aa8afa362c30d6b06fbf38d5cd03c4300165eebb9db9571e7c47150eaa6efbbb7a7f53053b05570cb11f3b4a8303'

'14b28af9ba68e82aaba77a7a857f8ba5d71f862f6d008fcd416e455f0dcca61c51d3ad0ec4867c06e0bb273a6a28b50f07f20552acc1ed46aead8a1dc09bba22'

'105c632754bf9a8cffd3c90680d5d1eac4e597746df442df65033d1598d57ec250ce95637908e1e7af9fe6a46d5c0515494893678808a8247b9320f3f9a4fe77')

validpgpkeys=(

'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds

'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman

'64254695FFF0AA4466CC19E67B96E8162A8CF5D1' # Sebastian Andrzej Siewior

'5ED9A48FC54C0A22D1D0804CEBC26CDB5A56DE73' # Steven Rostedt

'E644E2F1D45FA0B2EAA02F33109F098506FF0B14' # Thomas Gleixner

)

Saved diffs

Original text

Open file

# Maintainer: David Runge <dvzrv@archlinux.org>
# Maintainer:  Joakim Hernberg <jbh@alchemy.lu>

pkgbase=linux-rt
pkgver=5.11.4.11.arch1
pkgrel=1
pkgdesc='Linux RT'
arch=('x86_64')
url="https://wiki.linuxfoundation.org/realtime/start"
license=('GPL2')
makedepends=('bc' 'git' 'graphviz' 'imagemagick' 'kmod' 'libelf' 'pahole'
'python-sphinx' 'python-sphinx_rtd_theme' 'xmlto')
options=('!strip')
source=(
  "git+https://gitlab.archlinux.org/dvzrv/linux-rt#tag=v${pkgver}?signed"
  config
)
sha512sums=('SKIP'
            '977ac2ff9c344619758aa30aeb1c9fd6ad2777c99774a5a2b6956cd85c38640a00a4f292a53195fca15e645e2cba3bb725a4d0ca043b3a03261d456504512824')
b2sums=('SKIP'
        '56cd37f1ac075db2cd4b30a9bb2bedcb0a9c4648cc23e408a121a529d090b894c7e919b9ea996e30ca23f559fde6172594935af3083e69ce5e1c62719e3658fa')
validpgpkeys=(
  '647F28654894E3BD457199BE38DBBDC86092693E'  # Greg Kroah-Hartman <gregkh@kernel.org>
  '64254695FFF0AA4466CC19E67B96E8162A8CF5D1'  # Sebastian Andrzej Siewior
  'C7E7849466FE2358343588377258734B41C31549'  # David Runge <dvzrv@archlinux.org>
)

export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"

prepare() {
  cd "${pkgbase}"

echo "Setting version..."
  scripts/setlocalversion --save-scmversion
  echo "-$pkgrel" > localversion.10-pkgrel
  echo "${pkgbase#linux}" > localversion.20-pkgname

local src
  for src in "${source[@]}"; do
    src="${src%%::*}"
    src="${src##*/}"
    # picking up the RT patch
    src="${src//patch.xz/patch}"
    [[ $src = *.patch ]] || continue
    echo "Applying patch $src..."
    patch -Np1 < "../$src"
  done

echo "Setting config..."
  cp ../config .config
  make olddefconfig
#  make nconfig

make -s kernelrelease > version
  echo "Prepared $pkgbase version $(<version)"
}

build() {
  cd "${pkgbase}"
  make all
  make htmldocs
}

_package() {
  pkgdesc="The $pkgdesc kernel and modules"
  depends=(coreutils initramfs kmod)
  optdepends=('crda: to set the correct wireless channels of your country'
              'linux-firmware: firmware images needed for some devices')
  provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)

cd "${pkgbase}"
  local kernver="$(<version)"
  local modulesdir="$pkgdir/usr/lib/modules/$kernver"

echo "Installing boot image..."
  # systemd expects to find the kernel here to allow hibernation
  # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
  install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"

# Used by mkinitcpio to name the kernel
  echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"

echo "Installing modules..."
  make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install

# remove build and source links
  rm "$modulesdir"/{source,build}
}

_package-headers() {
  pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
  depends=(pahole)

cd "${pkgbase}"
  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"

echo "Installing build files..."
  install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
    localversion.* version vmlinux
  install -Dt "$builddir/kernel" -m644 kernel/Makefile
  install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
  cp -t "$builddir" -a scripts

# add objtool for external module building and enabled VALIDATION_STACK option
  install -Dt "$builddir/tools/objtool" tools/objtool/objtool

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

echo "Installing headers..."
  cp -t "$builddir" -a include
  cp -t "$builddir/arch/x86" -a arch/x86/include
  install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s

install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
  install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.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

echo "Installing KConfig files..."
  find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;

echo "Removing unneeded architectures..."
  local arch
  for arch in "$builddir"/arch/*/; do
    [[ $arch = */x86/ ]] && continue
    echo "Removing $(basename "$arch")"
    rm -r "$arch"
  done

echo "Removing documentation..."
  rm -r "$builddir/Documentation"

echo "Removing broken symlinks..."
  find -L "$builddir" -type l -printf 'Removing %P\n' -delete

echo "Removing loose objects..."
  find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete

echo "Stripping build tools..."
  local file
  while read -rd '' file; do
    case "$(file -bi "$file")" in
      application/x-sharedlib\;*)      # Libraries (.so)
        strip -v $STRIP_SHARED "$file" ;;
      application/x-archive\;*)        # Libraries (.a)
        strip -v $STRIP_STATIC "$file" ;;
      application/x-executable\;*)     # Binaries
        strip -v $STRIP_BINARIES "$file" ;;
      application/x-pie-executable\;*) # Relocatable binaries
        strip -v $STRIP_SHARED "$file" ;;
    esac
  done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)

echo "Stripping vmlinux..."
  strip -v $STRIP_STATIC "$builddir/vmlinux"

echo "Adding symlink..."
  mkdir -p "$pkgdir/usr/src"
  ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
}

_package-docs() {
  pkgdesc="Documentation for the $pkgdesc kernel"

cd "${pkgbase}"
  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"

echo "Installing documentation..."
  local src dst
  while read -rd '' src; do
    dst="${src#Documentation/}"
    dst="$builddir/Documentation/${dst#output/}"
    install -Dm644 "$src" "$dst"
  done < <(find Documentation -name '.*' -prune -o ! -type d -print0)

echo "Adding symlink..."
  mkdir -p "$pkgdir/usr/share/doc"
  ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
}

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:

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# Maintainer: Piotr Gorski <lucjan.lucjanov@gmail.com>
# Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Contributor: Tobias Powalowski <tpowa@archlinux.org>
# Contributor: Thomas Baechler <thomas@archlinux.org>

### BUILD OPTIONS
# Set these variables to ANYTHING that is not null to enable them

### Tweak kernel options prior to a build via nconfig
_makenconfig=

### Tweak kernel options prior to a build via menuconfig
_makemenuconfig=

### Tweak kernel options prior to a build via xconfig
_makexconfig=

### Tweak kernel options prior to a build via gconfig
_makegconfig=

### Running with a 1000 HZ tick rate
_1k_HZ_ticks=y

# NUMA is optimized for multi-socket motherboards.
# A single multi-core CPU actually runs slower with NUMA enabled.
# See, https://bugs.archlinux.org/task/31187
_NUMAdisable=y

# Compile ONLY used modules to VASTLYreduce the number of modules built
# and the build time.
#
# To keep track of which modules are needed for your specific system/hardware,
# give module_db script a try: https://aur.archlinux.org/packages/modprobed-db
# This PKGBUILD read the database kept if it exists
#
# More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db
_localmodcfg=

# Use the current kernel's .config file
# Enabling this option will use the .config of the RUNNING kernel rather than
# the ARCH defaults. Useful when the package gets updated and you already went
# through the trouble of customizing your config options.  NOT recommended when
# a new kernel is released, but again, convenient for package bumps.
_use_current=

### Do not edit below this line unless you know what you're doing

pkgbase=linux-rt-bfq-dev
# pkgname=('linux-rt-bfq-dev' 'linux-rt-bfq-dev-headers' 'linux-rt-bfq-dev-docs')
_major=5.11
_minor=4
_rtver=11
_rtpatchver=rt${_rtver}
pkgver=${_major}.${_minor}.${_rtpatchver}
_pkgver=${_major}.${_minor}
_srcname=linux-${_pkgver}
pkgrel=13
pkgdesc='Linux RT-BFQ-dev'
arch=('x86_64')
url="https://github.com/sirlucjan/bfq-mq-lucjan"
license=('GPL2')
options=('!strip')
makedepends=('kmod' 'bc' 'libelf' 'python-sphinx' 'python-sphinx_rtd_theme'
             'graphviz' 'imagemagick' 'pahole' 'cpio' 'perl' 'tar' 'xz')
#_lucjanpath="https://raw.githubusercontent.com/sirlucjan/kernel-patches/master/${_major}"
_lucjanpath="https://gitlab.com/sirlucjan/kernel-patches/raw/master/${_major}"
# Some patches for BFQ conflict with patches for BFQ-dev.
# To use linux-bfq-dev smoothly apply bfq-reverts before bfq-dev patch.
# Otherwise the kernel will not compile.
#_bfq_rev_path="bfq-reverts-all"
#_bfq_rev_patch="0001-bfq-reverts.patch"
#_bfq_path="bfq-dev-lucjan"
#_bfq_ver="v14"
#_bfq_rel="r2K210223"
#_bfq_patch="${_major}-${_bfq_path}-${_bfq_ver}-${_bfq_rel}.patch"
_bfq_path="bfq-lucjan"
_bfq_rel="r2K210325"
_bfq_patch="${_major}-${_bfq_path}-${_bfq_rel}.patch"
_gcc_path="cpu-patches-v4-sep"
_gcc_patch="0001-cpu-${_major}-merge-graysky-s-patchset.patch"

source=("https://www.kernel.org/pub/linux/kernel/v5.x/${_srcname}.tar.xz"
        "https://www.kernel.org/pub/linux/kernel/v5.x/${_srcname}.tar.sign"
        "http://www.kernel.org/pub/linux/kernel/projects/rt/${_major}/patch-${_pkgver}-${_rtpatchver}.patch.xz"
        "http://www.kernel.org/pub/linux/kernel/projects/rt/${_major}/patch-${_pkgver}-${_rtpatchver}.patch.sign"
        #"${_lucjanpath}/${_bfq_rev_path}/${_bfq_rev_patch}"
        "${_lucjanpath}/${_bfq_path}/${_bfq_patch}"
        "${_lucjanpath}/${_gcc_path}/${_gcc_patch}"
        "${_lucjanpath}/arch-patches-v9/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch"
         # the main kernel config files
        'config')

export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"

prepare() {
    cd $_srcname

### Add rt patch
        echo "Add rt patch"
        patch -Np1 -i ../patch-${_pkgver}-${_rtpatchver}.patch

### Setting version
        echo "Setting version..."
        scripts/setlocalversion --save-scmversion
        echo "-$pkgrel" > localversion.10-pkgrel
        echo "${pkgbase#linux}" > localversion.20-pkgname

### Patching sources
        local src
        for src in "${source[@]}"; do
            src="${src%%::*}"
            src="${src##*/}"
            [[ $src = *.patch ]] || continue
        echo "Applying patch $src..."
        patch -Np1 < "../$src"
        done

### Setting config
        echo "Setting config..."
        cp ../config .config
        make olddefconfig

### Prepared version
        make -s kernelrelease > version
        echo "Prepared $pkgbase version $(<version)"

### Optionally use running kernel's config
	# code originally by nous; http://aur.archlinux.org/packages.php?ID=40191
	if [ -n "$_use_current" ]; then
		if [[ -s /proc/config.gz ]]; then
			echo "Extracting config from /proc/config.gz..."
			# modprobe configs
			zcat /proc/config.gz > ./.config
		else
			warning "Your kernel was not compiled with IKCONFIG_PROC!"
			warning "You cannot read the current config!"
			warning "Aborting!"
			exit
		fi
	fi

### Optionally set tickrate to 1000
	if [ -n "$_1k_HZ_ticks" ]; then
		echo "Setting tick rate to 1k..."
                scripts/config --disable CONFIG_HZ_300
                scripts/config --enable CONFIG_HZ_1000
                scripts/config --set-val CONFIG_HZ 1000
	fi

### Optionally disable NUMA for 64-bit kernels only
        # (x86 kernels do not support NUMA)
        if [ -n "$_NUMAdisable" ]; then
            echo "Disabling NUMA from kernel config..."
            scripts/config --disable CONFIG_NUMA
        fi

### Optionally load needed modules for the make localmodconfig
        # See https://aur.archlinux.org/packages/modprobed-db
        if [ -n "$_localmodcfg" ]; then
            if [ -f $HOME/.config/modprobed.db ]; then
            echo "Running Steven Rostedt's make localmodconfig now"
            make LSMOD=$HOME/.config/modprobed.db localmodconfig
        else
            echo "No modprobed.db data found"
            exit
            fi
        fi

### Running make nconfig
	[[ -z "$_makenconfig" ]] ||  make nconfig

### Running make menuconfig
	[[ -z "$_makemenuconfig" ]] || make menuconfig

### Running make xconfig
	[[ -z "$_makexconfig" ]] || make xconfig

### Running make gconfig
	[[ -z "$_makegconfig" ]] || make gconfig

### Save configuration for later reuse
	cat .config > "${startdir}/config.last"
}

build() {
  cd $_srcname

make all
  make htmldocs
}

_package() {
    pkgdesc="The $pkgdesc kernel and modules"
    depends=('coreutils' 'kmod' 'initramfs')
    optdepends=('crda: to set the correct wireless channels of your country'
                'linux-firmware: firmware images needed for some devices'
                'modprobed-db: Keeps track of EVERY kernel module that has ever been probed - useful for those of us who make localmodconfig')
    provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE linux-rt-bfq)
    replaces=('linux-rt-bfq')
    conflicts=('linux-rt-bfq')

cd $_srcname
  local kernver="$(<version)"
  local modulesdir="$pkgdir/usr/lib/modules/$kernver"

# Used by mkinitcpio to name the kernel
  echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"

echo "Installing modules..."
  make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install

# remove build and source links
  rm "$modulesdir"/{source,build}
}

_package-headers() {
    pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
    depends=('linux-rt-bfq-dev' 'pahole')
    replaces=('linux-rt-bfq-headers')
    conflicts=('linux-rt-bfq-headers')
    provides=('linux-rt-bfq-headers')

cd $_srcname
  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"