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Patrick Williamsc124f4f2015-09-15 14:41:29 -05001SUMMARY = "Linux kernel Development Source"
2DESCRIPTION = "Development source linux kernel. When built, this recipe packages the \
3source of the preferred virtual/kernel provider and makes it available for full kernel \
4development or external module builds"
5
6SECTION = "kernel"
7
8LICENSE = "GPLv2"
Patrick Williamsc124f4f2015-09-15 14:41:29 -05009
10inherit linux-kernel-base
11
12# Whilst not a module, this ensures we don't get multilib extended (which would make no sense)
13inherit module-base
14
15# We need the kernel to be staged (unpacked, patched and configured) before
16# we can grab the source and make the source package. We also need the bits from
17# ${B} not to change while we install, so virtual/kernel must finish do_compile.
18do_install[depends] += "virtual/kernel:do_shared_workdir"
19# Need the source, not just the output of populate_sysroot
20do_install[depends] += "virtual/kernel:do_install"
21
22# There's nothing to do here, except install the source where we can package it
23do_fetch[noexec] = "1"
24do_unpack[noexec] = "1"
25do_patch[noexec] = "1"
26do_configure[noexec] = "1"
27do_compile[noexec] = "1"
28do_populate_sysroot[noexec] = "1"
29
Patrick Williamsc124f4f2015-09-15 14:41:29 -050030S = "${STAGING_KERNEL_DIR}"
31B = "${STAGING_KERNEL_BUILDDIR}"
32
33KERNEL_VERSION = "${@get_kernelversion_headers('${S}')}"
34
35PACKAGE_ARCH = "${MACHINE_ARCH}"
36
37do_install() {
38 kerneldir=${D}${KERNEL_SRC_PATH}
39 install -d $kerneldir
40
41 #
42 # Copy the staging dir source (and module build support) into the devsrc structure.
43 # We can keep this copy simple and take everything, since a we'll clean up any build
44 # artifacts afterwards, and the extra i/o is not significant
45 #
46 cd ${B}
47 find . -type d -name '.git*' -prune -o -path '.debug' -prune -o -type f -print0 | cpio --null -pdlu $kerneldir
48 cd ${S}
Brad Bishopd7bf8c12018-02-25 22:55:05 -050049 find . -type d -name '.git*' -prune -o -type d -name '.kernel-meta' -prune -o -type f -print0 | cpio --null -pdlu $kerneldir
Patrick Williamsc124f4f2015-09-15 14:41:29 -050050
51 # Explicitly set KBUILD_OUTPUT to ensure that the image directory is cleaned and not
52 # The main build artifacts. We clean the directory to avoid QA errors on mismatched
53 # architecture (since scripts and helpers are native format).
54 KBUILD_OUTPUT="$kerneldir"
55 oe_runmake -C $kerneldir CC="${KERNEL_CC}" LD="${KERNEL_LD}" clean _mrproper_scripts
Brad Bishop6e60e8b2018-02-01 10:27:11 -050056 # make clean generates an absolute path symlink called "source"
57 # in $kerneldir points to $kerneldir, which doesn't make any
58 # sense, so remove it.
59 if [ -L $kerneldir/source ]; then
60 bbnote "Removing $kerneldir/source symlink"
61 rm -f $kerneldir/source
62 fi
Patrick Williamsc124f4f2015-09-15 14:41:29 -050063
64 # As of Linux kernel version 3.0.1, the clean target removes
65 # arch/powerpc/lib/crtsavres.o which is present in
66 # KBUILD_LDFLAGS_MODULE, making it required to build external modules.
67 if [ ${ARCH} = "powerpc" ]; then
68 mkdir -p $kerneldir/arch/powerpc/lib/
69 cp ${B}/arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
70 fi
71
Brad Bishop316dfdd2018-06-25 12:45:53 -040072 # Remove fixdep/objtool as they won't be target binaries
73 for i in fixdep objtool; do
74 if [ -e $kerneldir/tools/objtool/$i ]; then
75 rm -rf $kerneldir/tools/objtool/$i
76 fi
77 done
78
Patrick Williamsc124f4f2015-09-15 14:41:29 -050079 chown -R root:root ${D}
80}
81# Ensure we don't race against "make scripts" during cpio
82do_install[lockfiles] = "${TMPDIR}/kernel-scripts.lock"
83
84PACKAGES = "kernel-devsrc"
85FILES_${PN} = "${KERNEL_SRC_PATH}"
86RDEPENDS_${PN} = "bc"