summarylogtreecommitdiffstats
path: root/PKGBUILD
blob: 04136aafe7033235d44c3bd000394744a5b27358 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
# Maintainer: Chris Severance aur.severach aATt spamgourmet dott com
# Contributor: Andreas Radke <andyrtr@archlinux.org>

set -u
pkgbase="linux-lts49"
pkgver="4.9.337"
_srcname="linux-${pkgver%.*}"
pkgrel='1'
arch=('x86_64')
url="https://www.kernel.org/"
license=('GPL2')
makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'libelf')
options=('!strip')
_verwatch=('https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/' '.*"patch-\(4\.9\.[0-9]\+\)\.xz.*' 'f')
source=(
  "https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
  "https://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.xz"
  'config'         # the main kernel config file
  '60-linux.hook'  # pacman hook for depmod
  '90-linux.hook'  # pacman hook for initramfs regeneration
  'linux-lts.preset'   # standard config files for mkinitcpio ramdisk
  # set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param)
  # remove this when a Kconfig knob is made available by upstream
  # (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
  'change-default-console-loglevel.patch'
)
validpgpkeys=(
  'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds <torvalds@linux-foundation.org>
  '647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>
)
# https://www.kernel.org/pub/linux/kernel/v4.x/sha256sums.asc
md5sums=('0a68ef3615c64bd5ee54a3320e46667d'
         'a498e5999d039dd5370702937ada50c2'
         '3b780658b0364dbcb32d06da4e0bc549'
         'ce6c81ad1ad1f8b333fd6077d47abdaf'
         'a85bfae59eb537b973c388ffadb281ff'
         'a329f9581060d555dc7358483de9760a'
         'df7fceae6ee5d7e7be7b60ecd7f6bb35')
sha256sums=('029098dcffab74875e086ae970e3828456838da6e0ba22ce3f64ef764f3d7f1a'
            '31ac4b4b29b9039ca43e9d62cf03756bf28358c6e59571a9298669d468885147'
            'bb07c8da0af83a1970daf5021c839bb3c258a357a4cbf89a6cc20f45d5aca86d'
            'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21'
            '75f99f5239e03238f88d1a834c50043ec32b1dc568f2cc291b07d04718483919'
            'ad6344badc91ad0630caacde83f7f9b97276f80d26a20619a87952be65492c65'
            '1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99')

_kernelname=${pkgbase#linux}

# CFLAGS CXXFLAGS are not used at all.
# LDFLAGS only works on the make command line. It is not used from the environment.
_makeopts=(
  #CC='gcc-7' CXX='g++-7' HOSTCC='gcc-7' HOSTCXX='g++-7'
)
#makedepends+=('gcc7')

prepare() {
  set -u
  cd "${_srcname}"

  # add upstream patch
  test -s "${srcdir}/patch-${pkgver}" || (cd "${srcdir}"; xz -dkf "${srcdir}/patch-${pkgver}.xz") # temporary fix for file-5.40 https://bugs.archlinux.org/task/70261
  patch -Nup1 -i "${srcdir}/patch-${pkgver}"
  set +u; msg2 "Complete: patch-${pkgver}"; set -u
  chmod +x tools/objtool/sync-check.sh  # GNU patch doesn't support git-style file mode

  # security patches

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

  local _f
  for _f in "${source[@]}"; do
    _f="${_f%%::*}"
    _f="${_f##*/}"
    case "${_f}" in
    *.patch)
      set +u; msg2 "Patch ${_f}"; set +u
      patch -Nup1 -i "${srcdir}/${_f}"
      ;;
    esac
  done

  # Local or private patches
  shopt -s nullglob
  local _lpatch
  for _lpatch in "${startdir}"/*.localpatch; do
    set +u; msg2 "Local patch: ${_lpatch##*/}"; set -u
    patch -Nup1 -i "${_lpatch}"
  done
  unset _lpatch
  shopt -u nullglob

  declare -A _config=([x86_64]='config')
  cat "${srcdir}/${_config[${CARCH}]}" > './.config'
  if [ "${_kernelname}" != "" ]; then
    sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_kernelname}\"|g" ./.config
    sed -i "s|CONFIG_LOCALVERSION_AUTO=.*|CONFIG_LOCALVERSION_AUTO=n|" ./.config
  fi
  cp './.config' "${srcdir}/config.cmp"
  rm -f "${startdir}/${_config[${CARCH}]}.new"

  # set extraversion to pkgrel
  sed -ri "s|^(EXTRAVERSION =).*|\1 -${pkgrel}|" Makefile

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

  set +u; msg2 'get kernel version'; set +u
  set -x
  make -s -j1 prepare "${_makeopts[@]}"
  set +x

  if ! diff -pNau5 "${srcdir}/config.cmp" './.config'; then
    ln -s "${PWD}/.config" "${startdir}/${_config[${CARCH}]}.new"
    rm "${srcdir}/config.cmp"
    set +u
    echo 'Some changes were made. Please merge for automation.'
    false
  else
    rm "${srcdir}/config.cmp"
  fi

  # 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

  set +u; msg2 'rewrite configuration'; set +u
  set -x
  yes "" | make -j1 config "${_makeopts[@]}" >/dev/null
  set +x
  set +u
}

build() {
  set -u
  cd "${srcdir}/${_srcname}"

  local _mflags=()
  local _nproc="$(nproc)"; _nproc=$((_nproc>8?8:_nproc))
  if [ -z "${MAKEFLAGS:=}" ] || [ "${MAKEFLAGS//-j/}" = "${MAKEFLAGS}" ]; then
    _mflags+=('-j' "${_nproc}")
  fi

  rm -f vmlinux vmlinux.o # force relink, for debugging binutils 2.31.1

  set -x
  nice make -s "${_makeopts[@]}" "${_mflags[@]}" ${MAKEFLAGS} LOCALVERSION= bzImage modules
  set +x
  set +u
}

_package() {
  set -u
  pkgdesc="The ${pkgbase/linux/Linux} kernel and modules"
  #[ "${pkgbase}" = "linux" ] && groups=('base')
  depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7')
  optdepends=('crda: to set the correct wireless channels of your country')
  optdepends+=('linux-firmware-uncompressed: hardware support')
  backup=("etc/mkinitcpio.d/${pkgbase}.preset")
  install=linux-lts.install
  #provides=("linux=${pkgver}") # not permitted by order of Arch TU

  cd "${_srcname}"

  # get kernel version
  _kernver="$(make -j1 "${_makeopts[@]}" LOCALVERSION= kernelrelease)"
  _basekernel=${_kernver%%-*}
  _basekernel=${_basekernel%.*}

  mkdir -p "${pkgdir}"/{boot,usr/lib/modules}
  make -j1 "${_makeopts[@]}" LOCALVERSION= INSTALL_MOD_PATH="${pkgdir}/usr" modules_install
  cp arch/x86/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}"

  # systemd expects to find the kernel here to allow hibernation
  # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
  ln -sr "${pkgdir}/boot/vmlinuz-${pkgbase}" "${pkgdir}/usr/lib/modules/${_kernver}/vmlinuz"

  # remove the firmware
  rm -r "${pkgdir}/usr/lib/firmware"

  # make room for external modules
  local _extramodules="extramodules-${_basekernel}${_kernelname:--lts}"
  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}"

  # add vmlinux
  install -Dt "${pkgdir}/usr/lib/modules/${_kernver}/build" -m644 vmlinux

  # 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

  # install mkinitcpio preset file
  sed "${_subst}" ../linux-lts.preset |
    install -Dm644 /dev/stdin "${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"
  set +u
}

_package-headers() {
  set -u
  pkgdesc="Header files and scripts for building modules for ${pkgbase/linux/Linux} kernel"
  #provides=("linux-headers=${pkgver}") # not permitted by order of Arch TU

  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 "${_builddir}/arch/x86" -m644 arch/x86/Makefile
  install -Dt "${_builddir}/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s

  cp -t "${_builddir}/arch/x86" -a arch/x86/include

  # add dm headers
  install -Dt "${_builddir}/drivers/md" -m644 drivers/md/*.h
  # add wireless headers
  install -Dt "${_builddir}/net/mac80211" -m644 net/mac80211/*.h

  # add dvb headers for external modules
  # in reference to:
  # http://bugs.archlinux.org/task/9912
  install -Dt "${_builddir}/drivers/media/dvb-core" -m644 drivers/media/dvb-core/*.h
  # and...
  # http://bugs.archlinux.org/task/11194
  install -Dt "${_builddir}/include/config/dvb/" include/config/dvb/*.h

  # add dvb headers for http://mcentral.de/hg/~mrec/em28xx-new
  # in reference to:
  # http://bugs.archlinux.org/task/13146
  install -Dt "${_builddir}/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
  install -Dt "${_builddir}/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/lgdt330x.h

  # add dvb headers
  # in reference to:
  # 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 docbook makefile
  install -Dt "${_builddir}/Documentation/DocBook/" -m644 Documentation/DocBook/Makefile

  # add inotify.h
  install -Dt "${_builddir}/include/linux" -m644 include/linux/inotify.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
  install -Dt "${_builddir}/tools/objtool" tools/objtool/objtool

  # remove unneeded architectures
  local _arch
  for _arch in "${_builddir}"/arch/*/; do
    [[ ${_arch} == */x86/ ]] && continue
    rm -r "${_arch}"
  done

  # remove files already in linux-docs package
  rm -r "${_builddir}/Documentation"

  # 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)
  set +u
}

_package-docs() {
  set -u
  pkgdesc="Kernel hackers manual - HTML documentation that comes with the ${pkgbase/linux/Linux} kernel"

  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}"
  set +u
}

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

set +u