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
|
# Maintainer: Simao Gomes Viana <devel@superboring.dev>
# Packager: Simao Gomes Viana <devel@superboring.dev>
# Contributor: Boohbah <boohbah at gmail.com>
# Contributor: Tobias Powalowski <tpowa@archlinux.org>
# Contributor: Thomas Baechler <thomas@archlinux.org>
# Contributor: Jonathan Chan <jyc@fastmail.fm>
# Contributor: misc <tastky@gmail.com>
# Contributor: NextHendrix <cjones12 at sheffield.ac.uk>
# Contributor: Shun Terabayashi <shunonymous at gmail.com>
# Contributor: Brad McCormack <bradmccormack100 at gmail.com>
# Contributor: Doug Johnson <dougvj at dougvj.net>
pkgbase=linux-nitrous
_srcname=linux-nitrous
pkgver=5.8.2
pkgrel=2
arch=('x86_64')
url="https://gitlab.com/xdevs23/linux-nitrous"
license=('GPL2')
makedepends=('bison' 'clang' 'xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'git' 'libelf' 'coreutils')
options=('!strip')
source=('git+https://gitlab.com/xdevs23/linux-nitrous.git#tag=v'"$pkgver-$pkgrel"
# standard config files for mkinitcpio ramdisk
"${_srcname}.preset")
sha256sums=('SKIP'
'59cf1dfe08c144868ad87705dd62a0400921c042b1e12691e42cf214fe9a9402')
_kernelname=${pkgbase#linux}
clang_major_ver() {
clang --version | head -n1 | cut -d ' ' -f3 | cut -d '.' -f1
}
make_env_variant=""
make_with_lto="make CC=clang HOSTCC=clang NM=llvm-nm AR=llvm-ar HOSTLD=ld.lld LD=ld.lld OBJCOPY=llvm-objcopy STRIP=llvm-strip"
make_without_lto="make CC=clang HOSTCC=clang"
pkgver() {
echo ${pkgver}
}
prepare() {
:
}
_handle_lsmod() {
if [ -f "$HOME/.config/modprobed.db" ]; then
make HOSTCC=clang CC=clang LSMOD=$HOME/.config/modprobed.db localmodconfig
fi
}
build() {
cd "${_srcname}"
# On Clang 11 we *can* use LTO but we *don't* on desktop variants
# since DKMS will have trouble with it (and even if it doesn't,
# the modules won't work if you mix LTO with non-LTO)
# We will use the right env anyway.
[ $(clang_major_ver) -ge 11 ] && make_env_variant="$make_with_lto" || make_env_variant="$make_without_lto"
# don't run depmod on 'make install'. We'll do this ourselves in packaging
sed -i '2iexit 0' scripts/depmod.sh
rm -f .clang
$make_env_variant nitrous_defconfig
_handle_lsmod
makeflags="${MAKEFLAGS}"
if [[ "$MAKEFLAGS" != *"-j"* ]]; then
makeflags="$makeflags -j$(nproc --all)"
fi
$make_env_variant ${makeflags} bzImage modules
}
_package() {
pkgdesc="Modified Linux kernel optimized for Haswell (and newer) compiled using clang (tagged git version), with Clear Linux patches"
depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7')
optdepends=(
'crda: to set the correct wireless channels of your country'
'linux-nitrous-headers: to build DKMS modules against this kernel'
)
provides=('linux')
__kernelname=linux-nitrous
backup=("etc/mkinitcpio.d/linux-nitrous.preset")
install=${pkgbase}.install
cd "${_srcname}"
[ $(clang_major_ver) -ge 11 ] && make_env_variant="$make_with_lto" || make_env_variant="$make_without_lto"
KARCH=x86
# get kernel version
_kernver="$(make kernelrelease)"
_basekernel=${_kernver%%-*}
_basekernel=${_basekernel%.*}
mkdir -p "${pkgdir}"/{lib/modules,lib/firmware,boot}
$make_env_variant INSTALL_MOD_PATH="${pkgdir}" modules_install
cp arch/$KARCH/boot/bzImage "${pkgdir}/boot/vmlinuz-${__kernelname}"
# set correct depmod command for install
cp -f "${startdir}/${install}" "${startdir}/${install}.pkg"
true && install=${install}.pkg
sed \
-e "s/KERNEL_NAME=.*/KERNEL_NAME=${__kernelname}/" \
-e "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/" \
-i "${startdir}/${install}"
# install mkinitcpio preset file for kernel
install -D -m644 "${srcdir}/${__kernelname}.preset" "${pkgdir}/etc/mkinitcpio.d/${__kernelname}.preset"
sed \
-e "1s|'linux.*'|'${pkgbase}'|" \
-e "s|ALL_kver=.*|ALL_kver=\"/boot/vmlinuz-${__kernelname}\"|" \
-e "s|default_image=.*|default_image=\"/boot/initramfs-${__kernelname}.img\"|" \
-e "s|fallback_image=.*|fallback_image=\"/boot/initramfs-${__kernelname}-fallback.img\"|" \
-i "${pkgdir}/etc/mkinitcpio.d/${__kernelname}.preset"
# remove build and source links
rm -f "${pkgdir}"/lib/modules/${_kernver}/{source,build}
# remove the firmware
rm -rf "${pkgdir}/lib/firmware"
# make room for external modules
ln -s "../extramodules-${_basekernel}${_kernelname:--ARCH}" "${pkgdir}/lib/modules/${_kernver}/extramodules"
# add real version for building modules and running depmod from post_install/upgrade
mkdir -p "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:--ARCH}"
echo "${_kernver}" > "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:--ARCH}/version"
# Now we call depmod...
depmod -b "${pkgdir}" -F System.map "${_kernver}"
# move module tree /lib -> /usr/lib
mkdir -p "${pkgdir}/usr"
mv "${pkgdir}/lib" "${pkgdir}/usr/"
# add vmlinux
install -D -m644 vmlinux "${pkgdir}/usr/lib/modules/${_kernver}/build/vmlinux"
# add System.map
install -D -m644 System.map "${pkgdir}/boot/System.map-${_kernver}"
rm -f "${pkgdir}/"*.pkg.tar*
}
_package-headers() {
pkgdesc="Header files and scripts for building modules for Linux kernel (tagged git version)"
provides=('linux-headers')
install -dm755 "${pkgdir}/usr/lib/modules/${_kernver}"
cd "${_srcname}"
# Fix for DKMS because clang doesn't like this
# and to disable LTO
for f in Makefile kernel/Makefile; do
sed -i -re '/^.*[+]= *(-Qunused-arguments|-mno-global-merge|-ftrivial-auto-var-init=pattern|-Wno-initializer-overrides|-Wno-gnu|-Wno-format-invalid-specifier|-flto(=[a-z]+)?)$/d' $f
sed -i -re 's/-flto(=([a-z]+)?)//g' $f
done
echo -e "\nKBUILD_CFLAGS += -Wno-error -Wno-unused-variable -Wno-incompatible-pointer-types" >> Makefile
echo -e "\nCONFIG_LTO := n" >> Makefile
echo -e "\nLD = ld.lld" >> Makefile
sed -i -re 's/^(.*(_|[A-Z]+)LTO(_.*)?)=y/\1=n/g' .config
echo "CONFIG_LTO_NONE=y" >> .config
install -D -m644 Makefile \
"${pkgdir}/usr/lib/modules/${_kernver}/build/Makefile"
install -D -m644 kernel/Makefile \
"${pkgdir}/usr/lib/modules/${_kernver}/build/kernel/Makefile"
install -D -m644 .config \
"${pkgdir}/usr/lib/modules/${_kernver}/build/.config"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include"
for i in acpi asm-generic config crypto drm generated keys linux math-emu \
media net pcmcia scsi sound trace uapi video vdso xen; do
cp -a include/${i} "${pkgdir}/usr/lib/modules/${_kernver}/build/include/"
done
# copy arch includes for external modules
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/x86"
cp -a arch/x86/include "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/x86/"
# copy files necessary for later builds, like nvidia and vmware
cp Module.symvers "${pkgdir}/usr/lib/modules/${_kernver}/build"
cp -a scripts "${pkgdir}/usr/lib/modules/${_kernver}/build"
# fix permissions on scripts dir
chmod og-w -R "${pkgdir}/usr/lib/modules/${_kernver}/build/scripts"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/.tmp_versions"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/kernel"
cp arch/${KARCH}/Makefile "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/"
if [ "${CARCH}" = "i686" ]; then
cp arch/${KARCH}/Makefile_32.cpu "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/"
fi
cp arch/${KARCH}/kernel/asm-offsets.s "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/kernel/"
# add dm headers
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/md"
cp drivers/md/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/md"
# add inotify.h
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include/linux"
cp include/linux/inotify.h "${pkgdir}/usr/lib/modules/${_kernver}/build/include/linux/"
# add wireless headers
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/net/mac80211/"
cp net/mac80211/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/net/mac80211/"
# add dvb headers for external modules
# http://bugs.archlinux.org/task/11194
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include/config/dvb/"
cp include/config/dvb/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/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 "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-frontends/"
cp drivers/media/dvb-frontends/lgdt330x.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-frontends/"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/i2c/"
cp drivers/media/i2c/msp3400-driver.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/i2c/"
# add dvb headers
# in reference to:
# http://bugs.archlinux.org/task/20402
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/usb/dvb-usb"
cp drivers/media/usb/dvb-usb/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/usb/dvb-usb/"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-frontends"
cp drivers/media/dvb-frontends/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-frontends/"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/tuners"
cp drivers/media/tuners/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/tuners/"
# add xfs and shmem for aufs building
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/fs/xfs"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/mm"
# removed in 3.17 series
# cp fs/xfs/xfs_sb.h "${pkgdir}/usr/lib/modules/${_kernver}/build/fs/xfs/xfs_sb.h"
# copy in Kconfig files
for i in $(find . -name "Kconfig*"); do
mkdir -p "${pkgdir}"/usr/lib/modules/${_kernver}/build/`echo ${i} | sed 's|/Kconfig.*||'`
cp ${i} "${pkgdir}/usr/lib/modules/${_kernver}/build/${i}"
done
# Fix file conflict with -doc package
rm "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/kbuild"/Kconfig.*-*
# Add objtool for CONFIG_STACK_VALIDATION
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/tools"
cp -a tools/objtool "${pkgdir}/usr/lib/modules/${_kernver}/build/tools"
chown -R root.root "${pkgdir}/usr/lib/modules/${_kernver}/build"
find "${pkgdir}/usr/lib/modules/${_kernver}/build" -type d -exec chmod 755 {} \;
# strip scripts directory
find "${pkgdir}/usr/lib/modules/${_kernver}/build/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 "${pkgdir}"/usr/lib/modules/${_kernver}/build/arch/{alpha,arc,arm,arm26,arm64,avr32,blackfin,c6x,cris,frv,h8300,hexagon,ia64,m32r,m68k,m68knommu,metag,mips,microblaze,mn10300,openrisc,parisc,powerpc,ppc,s390,score,sh,sh64,sparc,sparc64,tile,unicore32,um,v850,xtensa}
rm -f "${pkgdir}/"*.pkg.tar*
}
_package-docs() {
pkgdesc="Kernel hackers manual - HTML documentation that comes with the Linux kernel (tagged git version)"
provides=('linux-docs')
cd "${_srcname}"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build"
cp -al Documentation "${pkgdir}/usr/lib/modules/${_kernver}/build"
find "${pkgdir}" -type f -exec chmod 444 {} \;
find "${pkgdir}" -type d -exec chmod 755 {} \;
# remove files already in linux package
rm -f "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/DocBook/Makefile"
rm -f "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/Kconfig"
}
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:
|