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