From df0241f1b924a5a2efda69969b4cba1a5a1ce1bb Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Sat, 2 Nov 2019 10:29:18 +0100
Subject: PKGBUILD: Aligning with vanilla kernel package script. Removing
 hooks, install and preset file (mkinitcpio is now taking care of this itself
 on the basis of a pkgbase file). Adding python-sphinx to makedepends for html
 docs. Switching to a pkgver scheme, in which the patch number gets
 concatenated to the kernel version without any prefix.

---
 PKGBUILD | 107 +++++++++++++++++++++++++--------------------------------------
 1 file changed, 42 insertions(+), 65 deletions(-)

(limited to 'PKGBUILD')

diff --git a/PKGBUILD b/PKGBUILD
index bb0e279..1838683 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -6,29 +6,26 @@
 # Contributor: Tobias Powalowski <tpowa@archlinux.org>
 # Contributor: Thomas Baechler <thomas@archlinux.org>
 
-#pkgbase=linux               # Build stock -ARCH kernel
-pkgbase=linux-rt-lts       # Build kernel with a different name
 _pkgver=4.19.72
-_rtpatchver=rt26
-pkgver=${_pkgver}_${_rtpatchver}
+_rtpatchver=26
+pkgbase=linux-rt-lts
+pkgver=${_pkgver}.${_rtpatchver}
 pkgrel=1
 arch=('x86_64')
 url="https://wiki.linuxfoundation.org/realtime/start"
 license=('GPL2')
-makedepends=('bc' 'git' 'inetutils' 'kmod' 'libelf' 'xmlto')
+makedepends=('bc' 'git' 'graphviz' 'imagemagick' 'inetutils' 'kmod' 'libelf'
+'python-sphinx' 'python-sphinx_rtd_theme' 'xmlto') 
 options=('!strip')
 _srcname=linux-${_pkgver}
 source=(
   "https://www.kernel.org/pub/linux/kernel/v4.x/linux-${_pkgver}.tar.xz"
   "https://www.kernel.org/pub/linux/kernel/v4.x/linux-${_pkgver}.tar.sign"
-  "https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patch-${_pkgver}-${_rtpatchver}.patch.xz"
-  "https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patch-${_pkgver}-${_rtpatchver}.patch.sign"
+  "https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patch-${_pkgver}-rt${_rtpatchver}.patch.xz"
+  "https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patch-${_pkgver}-rt${_rtpatchver}.patch.sign"
+  config         # the main kernel config file
   0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch
   0002-ZEN-Add-CONFIG-for-unprivileged_userns_clone.patch
-  config         # the main kernel config file
-  60-${pkgbase}.hook  # pacman hook for depmod
-  90-${pkgbase}.hook  # pacman hook for initramfs regeneration
-  ${pkgbase}.preset   # standard config files for mkinitcpio ramdisk
 )
 validpgpkeys=(
   'ABAF11C65A2970B130ABE3C479BE3E4300411886'  # Linus Torvalds
@@ -42,27 +39,25 @@ sha256sums=('f9fcb6b3bd29115ac55fc154e300c3dce2044502732f6842ad6c25e6f9f51f6d'
             'SKIP'
             '7e360014f510daf6ab886f272531f98d9ae5cb5a55973a9b636346ac45f841f6'
             'SKIP'
-            '75aa8dd708ca5a0137fbf7cddc9cafefe6aac6b8e0638c06c156d412d05af4bc'
-            '67aed9742e4281df6f0bd18dc936ae79319fee3763737f158c0e87a6948d100d'
             'e5a6ac3346c359353b3a7491bb77637870328a4bf3f3d57bf434a29b72632600'
-            'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21'
-            '75f99f5239e03238f88d1a834c50043ec32b1dc568f2cc291b07d04718483919'
-            'ad6344badc91ad0630caacde83f7f9b97276f80d26a20619a87952be65492c65')
+            '75aa8dd708ca5a0137fbf7cddc9cafefe6aac6b8e0638c06c156d412d05af4bc'
+            '67aed9742e4281df6f0bd18dc936ae79319fee3763737f158c0e87a6948d100d')
 
-_kernelname=${pkgbase#linux}
-: ${_kernelname:=-ARCH}
+export KBUILD_BUILD_HOST=archlinux
+export KBUILD_BUILD_USER=$pkgbase
+export KBUILD_BUILD_TIMESTAMP="@${SOURCE_DATE_EPOCH:-$(date +%s)}"
 
 prepare() {
   cd $_srcname
 
   # apply realtime patch
-  msg "applying patch-${_pkgver}-${_rtpatchver}.patch"
-  patch -Np1 -i ../patch-${_pkgver}-${_rtpatchver}.patch
+  msg "applying patch-${_pkgver}-rt${_rtpatchver}.patch"
+  patch -Np1 -i "../patch-${_pkgver}-rt${_rtpatchver}.patch"
 
   msg2 "Setting version..."
   scripts/setlocalversion --save-scmversion
   echo "-$pkgrel" > localversion.10-pkgrel
-  echo "$_kernelname" > localversion.20-pkgname
+  echo "${pkgbase#linux}" > localversion.20-pkgname
 
   local src
   for src in "${source[@]}"; do
@@ -78,68 +73,39 @@ prepare() {
   make olddefconfig
 #  make menuconfig # CLI menu for configuration
 
-  make -s kernelrelease > ../version
-  msg2 "Prepared %s version %s" "$pkgbase" "$(<../version)"
+  make -s kernelrelease > version
+  msg2 "Prepared %s version %s" "$pkgbase" "$(<version)"
 }
 
 build() {
   cd $_srcname
-  make bzImage modules
+  make bzImage modules htmldocs
 }
 
 _package() {
   pkgdesc="The ${pkgbase/linux/Linux} kernel and modules"
-  [[ $pkgbase = linux ]] && groups=(base)
-  depends=(coreutils linux-firmware kmod mkinitcpio)
+  depends=(coreutils kmod initramfs)
   optdepends=('crda: to set the correct wireless channels of your country'
               'linux-firmware: firmware images needed for some devices')
-  backup=("etc/mkinitcpio.d/$pkgbase.preset")
-  install=${pkgbase}.install
 
+  cd $_srcname
   local kernver="$(<version)"
   local modulesdir="$pkgdir/usr/lib/modules/$kernver"
 
-  cd $_srcname
-
   msg2 "Installing boot image..."
   # systemd expects to find the kernel here to allow hibernation
   # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
   install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
-  install -Dm644 "$modulesdir/vmlinuz" "$pkgdir/boot/vmlinuz-$pkgbase"
+
+  # Used by mkinitcpio to name the kernel
+  echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
 
   msg2 "Installing modules..."
   make INSTALL_MOD_PATH="$pkgdir/usr" modules_install
 
-  # a place for external modules,
-  # with version file for building modules and running depmod from hook
-  local extramodules="extramodules$_kernelname"
-  local extradir="$pkgdir/usr/lib/modules/$extramodules"
-  install -Dt "$extradir" -m644 ../version
-  ln -sr "$extradir" "$modulesdir/extramodules"
-
   # remove build and source links
   rm "$modulesdir"/{source,build}
 
-  msg2 "Installing hooks..."
-  # sed expression for following substitutions
-  local subst="
-    s|%PKGBASE%|$pkgbase|g
-    s|%KERNVER%|$kernver|g
-    s|%EXTRAMODULES%|$extramodules|g
-  "
-
-  # hack to allow specifying an initially nonexisting install file
-  sed "$subst" "$startdir/$install" > "$startdir/$install.pkg"
-  true && install=$install.pkg
-
-  # fill in mkinitcpio preset and pacman hooks
-  sed "$subst" ../${pkgbase}.preset | install -Dm644 /dev/stdin \
-    "$pkgdir/etc/mkinitcpio.d/$pkgbase.preset"
-  sed "$subst" ../60-${pkgbase}.hook | install -Dm644 /dev/stdin \
-    "$pkgdir/usr/share/libalpm/hooks/60-$pkgbase.hook"
-  sed "$subst" ../90-${pkgbase}.hook | install -Dm644 /dev/stdin \
-    "$pkgdir/usr/share/libalpm/hooks/90-$pkgbase.hook"
-
   msg2 "Fixing permissions..."
   chmod -Rc u=rwX,go=rX "$pkgdir"
 }
@@ -147,12 +113,12 @@ _package() {
 _package-headers() {
   pkgdesc="Header files and scripts for building modules for ${pkgbase/linux/Linux} kernel"
 
-  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
-
   cd $_srcname
+  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
 
   msg2 "Installing build files..."
-  install -Dt "$builddir" -m644 Makefile .config Module.symvers System.map vmlinux
+  install -Dt "$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 "$builddir" -a scripts
@@ -163,7 +129,7 @@ _package-headers() {
   # add xfs and shmem for aufs building
   mkdir -p "$builddir"/{fs/xfs,mm}
 
-  # ???
+  # this is gone in v5.3
   mkdir "$builddir/.tmp_versions"
 
   msg2 "Installing headers..."
@@ -219,7 +185,7 @@ _package-headers() {
 
   msg2 "Adding symlink..."
   mkdir -p "$pkgdir/usr/src"
-  ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase-$pkgver"
+  ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
 
   msg2 "Fixing permissions..."
   chmod -Rc u=rwX,go=rX "$pkgdir"
@@ -228,14 +194,25 @@ _package-headers() {
 _package-docs() {
   pkgdesc="Kernel hackers manual - HTML documentation that comes with the ${pkgbase/linux/Linux} kernel"
 
-  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
-
   cd $_srcname
+  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
 
   msg2 "Installing documentation..."
   mkdir -p "$builddir"
   cp -t "$builddir" -a Documentation
 
+  msg2 "Removing doctrees..."
+  rm -r "$builddir/Documentation/output/.doctrees"
+
+  msg2 "Moving HTML docs..."
+  local src dst
+  while read -rd '' src; do
+    dst="$builddir/Documentation/${src#$builddir/Documentation/output/}"
+    mkdir -p "${dst%/*}"
+    mv "$src" "$dst"
+    rmdir -p --ignore-fail-on-non-empty "${src%/*}"
+  done < <(find "$builddir/Documentation/output" -type f -print0)
+
   msg2 "Adding symlink..."
   mkdir -p "$pkgdir/usr/share/doc"
   ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
-- 
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