summaryrefslogtreecommitdiff
path: root/kernels/linux-libre-lts-grsec/PKGBUILD
blob: 76c75ea18847f15b80af34f5f4084141e1c675a3 (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
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
# Maintainer:  Bernardo Barros <bbarros@xsounds.org>
# Contributor: Ray Rashif <schiv@archlinux.org>
# Contributor: timbosa <tinny_tim@dodo.com.au>
# Contributor: Tobias Powalowski <tpowa@archlinux.org>
# Contributor: Thomas Baechler <thomas@archlinux.org>
# Maintainer (Parabola): André Silva <emulatorman@lavabit.com>
# Maintainer (Parabola): Márcio Silva <coadde@lavabit.com>

pkgbase=linux-libre-lts-grsec  # Build stock -LIBRE-LTS-GRSEC kernel
#pkgbase=linux-libre-custom # Build kernel with a different name
_basekernel=3.2
_grsecver=2.9.1
_timestamp=201211251859
pkgver=${_basekernel}.34
pkgrel=3
_lxopkgver=${_basekernel}.34 # nearly always the same as pkgver
arch=('i686' 'x86_64' 'mips64el')
url="http://linux-libre.fsfla.org/"
license=('GPL2')
makedepends=('xmlto' 'docbook-xsl')
options=('!strip')
source=("http://linux-libre.fsfla.org/pub/linux-libre/releases/${_basekernel}-gnu/linux-libre-${_basekernel}-gnu.tar.xz"
        "http://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgver}-gnu/patch-${_basekernel}-gnu-${pkgver}-gnu.xz"
        "http://grsecurity.net/stable/grsecurity-$_grsecver-$pkgver-$_timestamp.patch"
        # the main kernel config files
        'config.i686' 'config.x86_64'
        # standard config files for mkinitcpio ramdisk
        "${pkgbase}.preset"
        'Kbuild'
        'Kbuild.platforms'
        'boot-logo.patch'
        'change-default-console-loglevel.patch'
        'i915-fix-ghost-tv-output.patch'
        'ext4-options.patch'
        "http://www.linux-libre.fsfla.org/pub/linux-libre/lemote/gnewsense/pool/debuginfo/linux-patches-${_lxopkgver}-gnu_0loongsonlibre_mipsel.tar.bz2")
md5sums=('65c669b6e4888db84a80882461851867'
         'cb77e85201da7df05a1c0609e5c91740'
         '31b0af1369d602537bcce58141f37645'
         '9cdc3506425c2f5ca4a05493c0c8dec9'
         '969fb7ac31e86521d1d854b7d5a3fa18'
         '243221bb1898f996dcf2020c015f6fd0'
         '2967cecc3af9f954ccc822fd63dca6ff'
         '8267264d9a8966e57fdacd1fa1fc65c4'
         '04b21c79df0a952c22d681dd4f4562df'
         '9d3c56a4b999c8bfbd4018089a62f662'
         '263725f20c0b9eb9c353040792d644e5'
         'f36222e7ce20c8e4dc27376f9be60f6c'
         'dc7d854f7aaeb3e7c6be37a8added518')
if [ "$CARCH" != "mips64el" ]; then
    # Don't use the Loongson-specific patches on non-mips64el arches.
    unset source[${#source[@]}-1]
    unset md5sums[${#md5sums[@]}-1]
fi

_kernelname=${pkgbase#linux-libre}
_localversionname=-LIBRE-LTS-GRSEC
_aurversionkernelname=-grsec-lts # in this case, in the aur version on Archlinux, the kernel name is different than ours

build() {
  cd "${srcdir}/linux-${_basekernel}"

  if [ "${_basekernel}" != "${pkgver}" ]; then
    patch -Np1 -i "${srcdir}/patch-${_basekernel}-gnu-${_pkgver}-gnu"
  fi

  # Add grsecurity patches
  patch -Np1 -i $srcdir/grsecurity-$_grsecver-$pkgver-$_timestamp.patch
  rm localversion-grsec

  # Add freedo as boot logo
  patch -Np1 -i "${srcdir}/boot-logo.patch"

  # Some chips detect a ghost TV output
  # mailing list discussion: http://lists.freedesktop.org/archives/intel-gfx/2011-April/010371.html
  # Arch Linux bug report: FS#19234
  #
  # It is unclear why this patch wasn't merged upstream, it was accepted,
  # then dropped because the reasoning was unclear. However, it is clearly
  # needed.
  patch -Np1 -i "${srcdir}/i915-fix-ghost-tv-output.patch"

  # 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)
  patch -Np1 -i "${srcdir}/change-default-console-loglevel.patch"

  # fix ext4 module to mount ext3/2 correct
  # https://bugs.archlinux.org/task/28653
  patch -Np1 -i "${srcdir}/ext4-options.patch"

  if [ "$CARCH" == "mips64el" ]; then
    sed -i "s|^EXTRAVERSION.*|EXTRAVERSION =-libre-lts-rt|" Makefile
    sed -r "s|^( SUBLEVEL = ).*|\1$_sublevel|" \
        < "${srcdir}/lxo-config.patch" > lxo-config.patch
    msg2 "Adding loongson-community patches"
    patch -Np1 -i ${srcdir}/${_basekernel}*-*-loongson-community.patch
    patch -Np0 -i lxo-config.patch

# ensure N32, add localversion, remove uevent helper as per
# https://git.kernel.org/?p=linux/hotplug/udev.git;a=blob_plain;f=README
# and make USB storage support builtin (e.g. for booting from USB
# disks without slowly loading an initramfs)
    sed -ri \
        -e "s|CONFIG_MIPS32_N32=.*|CONFIG_MIPS32_N32=y|g" \
        -e "s|CONFIG_UEVENT_HELPER_PATH=.*|CONFIG_UEVENT_HELPER_PATH=\"\"|g" \
        -e "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_localversionname}\"|g" \
        -e "s;(CONFIG_USB(_COMMON|_EHCI_HCD|_OHCI_HCD|_STORAGE.*|_UAS)?)=.*;\1=y;g" \
        ./.config
  else
    cat "${srcdir}/config.${CARCH}" > ./.config # simpler
  fi

  if [ "${_kernelname}" != "" ]; then
    sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_localversionname}\"|g" ./.config
    sed -i "s|CONFIG_LOCALVERSION_AUTO=.*|CONFIG_LOCALVERSION_AUTO=n|" ./.config
  fi

  # 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

  # 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

  # save configuration for later reuse
  if [ "${CARCH}" = "x86_64" ]; then
    cat .config > "${startdir}/config.x86_64.last"
  else
    cat .config > "${startdir}/config.i686.last"
  fi

  ####################
  # stop here
  # this is useful to configure the kernel
  #msg "Stopping build"; return 1
  ####################

  # build!
  if [ "$CARCH" == "mips64el" ]; then
    # The build system passes it directly to linker, disable to avoid
    # having unknown -Wl,... options.
    export LDFLAGS=""
    # bzImage is arch-specific and not supported on mips; vmlinux is
    # useful for oprofile.
    make ${MAKEFLAGS} LOCALVERSION= vmlinux vmlinuz modules
  else
    make ${MAKEFLAGS} LOCALVERSION= bzImage modules
  fi
}

_package() {
  pkgdesc="The ${pkgbase} kernel and modules with grsecurity/PaX patches - stable longtime supported kernel package suitable for servers"
  [ "${pkgbase}" = "linux-libre" ] && groups=('base')
  depends=('gradm' 'paxutils' 'coreutils' 'linux-libre-firmware' 'kmod')
  optdepends=('crda: to set the correct wireless channels of your country')
  provides=("kernel26${_aurversionkernelname}=${pkgver}" "linux${_aurversionkernelname}=${pkgver}")
  conflicts=("kernel26${_aurversionkernelname}" "kernel26-libre${_kernelname}" "linux${_aurversionkernelname}")
  replaces=("kernel26${_aurversionkernelname}" "kernel26-libre${_kernelname}" "linux${_aurversionkernelname}")
  backup=("etc/mkinitcpio.d/${pkgbase}.preset")
  install=${pkgbase}.install
  if [ "$CARCH" = "mips64el" ]; then
      optdepends+=('mkinitcpio: to make the initramfs (needs reinstall of this package)')
      conflicts+=('mkinitcpio<0.7')
  else
      depends+=('mkinitcpio>=0.7')
  fi

  cd "${srcdir}/linux-${_basekernel}"

  KARCH=x86
  [ $CARCH = "mips64el" ] && KARCH=mips

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

  mkdir -p "${pkgdir}"/{lib/modules,lib/firmware,boot}
  make LOCALVERSION= INSTALL_MOD_PATH="${pkgdir}" modules_install

  if [ "$CARCH" == "mips64el" ]; then
    cp vmlinuz "${pkgdir}/boot/vmlinuz-${pkgbase}"
    cp vmlinux "${pkgdir}/boot/vmlinux-${pkgbase}"
  else
    cp "arch/${KARCH}/boot/bzImage" "${pkgdir}/boot/vmlinuz-${pkgbase}"
  fi

  # add vmlinux
  install -D -m644 vmlinux "${pkgdir}/usr/src/linux-${_kernver}/vmlinux"

  # install fallback mkinitcpio.conf file and preset file for kernel
  install -D -m644 "${srcdir}/${pkgbase}.preset" "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"

  # set correct depmod command for install
  sed \
    -e  "s/KERNEL_NAME=.*/KERNEL_NAME=${_kernelname}/" \
    -e  "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/" \
    -i "${startdir}/${pkgbase}.install"
  sed \
    -e "1s|'linux*.*'|'${pkgbase}'|" \
    -e "s|ALL_kver=.*|ALL_kver=\"/boot/vmlinuz-${pkgbase}\"|" \
    -e "s|default_image=.*|default_image=\"/boot/initramfs-${pkgbase}.img\"|" \
    -e "s|fallback_image=.*|fallback_image=\"/boot/initramfs-${pkgbase}-fallback.img\"|" \
    -i "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"

# mkinitcpio 0.7 relies on bzImage to find the kernel version
  if [ "$CARCH" == "mips64el" ]; then
    sed -e "s|ALL_kver=.*|ALL_kver=\"${_kernver}\"|" \
        -i "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
  fi

  # remove build and source links
  rm -f "${pkgdir}"/lib/modules/${_kernver}/{source,build}
  # remove the firmware
  rm -rf "${pkgdir}/lib/firmware"
  # gzip -9 all modules to save 100MB of space
  find "${pkgdir}" -name '*.ko' -exec gzip -9 {} \;
  # make room for external modules
  ln -s "../extramodules-${_basekernel}${_localversionname:--LIBRE-LTS-GRSEC}" "${pkgdir}/lib/modules/${_kernver}/extramodules"
  # add real version for building modules and running depmod from post_install/upgrade
  mkdir -p "${pkgdir}/lib/modules/extramodules-${_basekernel}${_localversionname:--LIBRE-LTS-GRSEC}"
  echo "${_kernver}" > "${pkgdir}/lib/modules/extramodules-${_basekernel}${_localversionname:--LIBRE-LTS-GRSEC}/version"

  # Now we call depmod...
  depmod -b "$pkgdir" -F System.map "$_kernver"

  # move module tree /lib -> /usr/lib
  mv "$pkgdir/lib" "$pkgdir/usr"
}

_package-headers() {
  pkgdesc="Header files and scripts for building modules for ${pkgbase} kernel"
  provides=("kernel26${_aurversionkernelname}-headers=${pkgver}" "linux${_aurversionkernelname}-headers=${pkgver}")
  conflicts=("kernel26${_aurversionkernelname}-headers" "kernel26-libre${_kernelname}-headers" "linux${_aurversionkernelname}-headers")
  replaces=("kernel26${_aurversionkernelname}-headers" "kernel26-libre${_kernelname}-headers" "linux${_aurversionkernelname}-headers")

  KARCH=x86
  [ $CARCH = "mips64el" ] && KARCH=mips

# In case of repackaging this is empty
  if [ -z "${_kernver}" ]; then
    cd "${srcdir}/linux-${_basekernel}"
    _kernver="$(make LOCALVERSION= kernelrelease)"
  fi

  install -dm755 "${pkgdir}/usr/lib/modules/${_kernver}"

  cd "${pkgdir}/usr/lib/modules/${_kernver}"
  ln -sf ../../../src/linux-${_kernver} build

  cd "${srcdir}/linux-${_basekernel}"
  install -D -m644 Makefile \
    "${pkgdir}/usr/src/linux-${_kernver}/Makefile"
  install -D -m644 kernel/Makefile \
    "${pkgdir}/usr/src/linux-${_kernver}/kernel/Makefile"
  install -D -m644 .config \
    "${pkgdir}/usr/src/linux-${_kernver}/.config"

  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/include"

  for i in acpi asm-generic config crypto drm generated linux math-emu \
    media mtd net pcmcia scsi sound trace video xen; do
    cp -a include/${i} "${pkgdir}/usr/src/linux-${_kernver}/include/"
  done

  # copy arch includes for external modules
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}"
  cp -a "arch/${KARCH}/include" "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/"

  # copy files necessary for later builds
  cp Module.symvers "${pkgdir}/usr/src/linux-${_kernver}"
  cp -a scripts "${pkgdir}/usr/src/linux-${_kernver}"

  if [ "$CARCH" = "mips64el" ]; then
    cp "arch/${KARCH}/Kbuild" "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/"
    cp -a "arch/${KARCH}/loongson" "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/"
    cp "${srcdir}/Kbuild.platforms" "${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/"
  fi

  # fix permissions on scripts dir
  chmod og-w -R "${pkgdir}/usr/src/linux-${_kernver}/scripts"
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/.tmp_versions"

  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/kernel"

  cp arch/${KARCH}/Makefile "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/"

  if [ "${CARCH}" = "i686" ]; then
    cp arch/${KARCH}/Makefile_32.cpu "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/"
  fi

  cp arch/${KARCH}/kernel/asm-offsets.s "${pkgdir}/usr/src/linux-${_kernver}/arch/${KARCH}/kernel/"

  # add headers for lirc package
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video"

  cp drivers/media/video/*.h  "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/"

  for i in bt8xx cpia2 cx25840 cx88 em28xx et61x251 pwc saa7134 sn9c102; do
    mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/${i}"
    cp -a drivers/media/video/${i}/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/${i}"
  done

  # add docbook makefile
  install -D -m644 Documentation/DocBook/Makefile \
    "${pkgdir}/usr/src/linux-${_kernver}/Documentation/DocBook/Makefile"

  # add dm headers
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/md"
  cp drivers/md/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/md"

  # add inotify.h
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/include/linux"
  cp include/linux/inotify.h "${pkgdir}/usr/src/linux-${_kernver}/include/linux/"

  # add wireless headers
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/"
  cp net/mac80211/*.h "${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/"

  # add dvb headers for external modules
  # in reference to:
  # http://bugs.archlinux.org/task/9912
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core"
  cp drivers/media/dvb/dvb-core/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core/"
  # and...
  # http://bugs.archlinux.org/task/11194
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/"
  cp include/config/dvb/*.h "${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/"

  # add dvb headers for http://mcentral.de/hg/~mrec/em28xx-new
  # in reference to:
  # http://bugs.archlinux.org/task/13146
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
  cp drivers/media/dvb/frontends/lgdt330x.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
  cp drivers/media/video/msp3400-driver.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"

  # add dvb headers
  # in reference to:
  # http://bugs.archlinux.org/task/20402
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb"
  cp drivers/media/dvb/dvb-usb/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb/"
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends"
  cp drivers/media/dvb/frontends/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/"
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners"
  cp drivers/media/common/tuners/*.h "${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners/"

  # add xfs and shmem for aufs building
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/fs/xfs"
  mkdir -p "${pkgdir}/usr/src/linux-${_kernver}/mm"
  cp fs/xfs/xfs_sb.h "${pkgdir}/usr/src/linux-${_kernver}/fs/xfs/xfs_sb.h"

  # copy in Kconfig files
  for i in `find . -name "Kconfig*"`; do
    mkdir -p "${pkgdir}"/usr/src/linux-${_kernver}/`echo ${i} | sed 's|/Kconfig.*||'`
    cp ${i} "${pkgdir}/usr/src/linux-${_kernver}/${i}"
  done

  chown -R root.root "${pkgdir}/usr/src/linux-${_kernver}"
  find "${pkgdir}/usr/src/linux-${_kernver}" -type d -exec chmod 755 {} \;

  # strip scripts directory
  find "${pkgdir}/usr/src/linux-${_kernver}/scripts" -type f -perm -u+w 2>/dev/null | while read binary ; do
    case "$(file -bi "${binary}")" in
      *application/x-sharedlib*) # Libraries (.so)
        /usr/bin/strip ${STRIP_SHARED} "${binary}";;
      *application/x-archive*) # Libraries (.a)
        /usr/bin/strip ${STRIP_STATIC} "${binary}";;
      *application/x-executable*) # Binaries
        /usr/bin/strip ${STRIP_BINARIES} "${binary}";;
    esac
  done

  # remove unneeded architectures
  rm -rf "${pkgdir}"/usr/src/linux-${_kernver}/arch/{alpha,arm,arm26,avr32,blackfin,c6x,cris,frv,h8300,hexagon,ia64,m32r,m68k,m68knommu,microblaze,mn10300,openrisc,parisc,powerpc,ppc,s390,score,sh,sh64,sparc,sparc64,tile,unicore32,um,v850,xtensa}
  if [ "$CARCH" = "mips64el" ]; then
    rm -rf ${pkgdir}/usr/src/linux-${_kernver}/arch/x86
  else
    rm -rf ${pkgdir}/usr/src/linux-${_kernver}/arch/mips
  fi
}

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

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