1 # SPDX-License-Identifier: GPL-2.0-only
2 # Maintainer: Thomas Weißschuh <linux@weissschuh.net>
3 # Contributor: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
4
5 pkgbase=${PACMAN_PKGBASE:-linux-upstream}
6 pkgname=("${pkgbase}")
7
8 _extrapackages=${PACMAN_EXTRAPACKAGES-headers api-headers debug}
9 for pkg in $_extrapackages; do
10 pkgname+=("${pkgbase}-${pkg}")
11 done
12
13 pkgver="${KERNELRELEASE//-/_}"
14 # The PKGBUILD is evaluated multiple times.
15 # Running scripts/build-version from here would introduce inconsistencies.
16 pkgrel="${KBUILD_REVISION}"
17 pkgdesc='Upstream Linux'
18 url='https://www.kernel.org/'
19 # Enable flexible cross-compilation
20 arch=(${CARCH})
21 license=(GPL-2.0-only)
22 makedepends=(
23 bc
24 bison
25 cpio
26 flex
27 gettext
28 kmod
29 libelf
30 openssl
31 pahole
32 perl
33 python
34 rsync
35 tar
36 )
37 options=(!debug !strip !buildflags !makeflags)
38
39 _prologue() {
40 # MAKEFLAGS from makepkg.conf override the ones inherited from kbuild.
41 # Bypass this override with a custom variable.
42 export MAKEFLAGS="${KBUILD_MAKEFLAGS}"
43
44 # Kbuild works in the output directory, where this PKGBUILD is located.
45 cd "$(dirname "${BASH_SOURCE[0]}")"
46 }
47
48 build() {
49 _prologue
50
51 ${MAKE} KERNELRELEASE="${KERNELRELEASE}" KBUILD_BUILD_VERSION="${pkgrel}"
52 }
53
54 _package() {
55 pkgdesc="The ${pkgdesc} kernel and modules"
56
57 local modulesdir="${pkgdir}/usr/${MODLIB}"
58
59 _prologue
60
61 echo "Installing boot image..."
62 # systemd expects to find the kernel here to allow hibernation
63 # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
64 install -Dm644 "$(${MAKE} -s image_name)" "${modulesdir}/vmlinuz"
65
66 # Used by mkinitcpio to name the kernel
67 echo "${pkgbase}" > "${modulesdir}/pkgbase"
68
69 echo "Installing modules..."
70 ${MAKE} INSTALL_MOD_PATH="${pkgdir}/usr" INSTALL_MOD_STRIP=1 \
71 DEPMOD=true modules_install
72
73 if [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
74 echo "Installing dtbs..."
75 ${MAKE} INSTALL_DTBS_PATH="${modulesdir}/dtb" dtbs_install
76 fi
77
78 # remove build link, will be part of -headers package
79 rm -f "${modulesdir}/build"
80 }
81
82 _package-headers() {
83 pkgdesc="Headers and scripts for building modules for the ${pkgdesc} kernel"
84
85 local builddir="${pkgdir}/usr/${MODLIB}/build"
86
87 _prologue
88
89 if grep -q CONFIG_MODULES=y include/config/auto.conf; then
90 echo "Installing build files..."
91 "${srctree}/scripts/package/install-extmod-build" "${builddir}"
92 fi
93
94 echo "Installing System.map and config..."
95 mkdir -p "${builddir}"
96 cp System.map "${builddir}/System.map"
97 cp .config "${builddir}/.config"
98
99 echo "Adding symlink..."
100 mkdir -p "${pkgdir}/usr/src"
101 ln -sr "${builddir}" "${pkgdir}/usr/src/${pkgbase}"
102 }
103
104 _package-api-headers() {
105 pkgdesc="Kernel headers sanitized for use in userspace"
106 provides=(linux-api-headers)
107 conflicts=(linux-api-headers)
108
109 _prologue
110
111 ${MAKE} headers_install INSTALL_HDR_PATH="${pkgdir}/usr"
112 }
113
114 _package-debug(){
115 pkgdesc="Non-stripped vmlinux file for the ${pkgdesc} kernel"
116
117 local debugdir="${pkgdir}/usr/src/debug/${pkgbase}"
118 local builddir="${pkgdir}/usr/${MODLIB}/build"
119
120 _prologue
121
122 install -Dt "${debugdir}" -m644 vmlinux
123 mkdir -p "${builddir}"
124 ln -sr "${debugdir}/vmlinux" "${builddir}/vmlinux"
125 }
126
127 for _p in "${pkgname[@]}"; do
128 eval "package_$_p() {
129 $(declare -f "_package${_p#$pkgbase}")
130 _package${_p#$pkgbase}
131 }"
132 done
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