1 SUMMARY = "Linux kernel Development Source"
2 DESCRIPTION = "Development source linux kernel. When built, this recipe packages the \
3 source of the preferred virtual/kernel provider and makes it available for full kernel \
4 development or external module builds"
10 inherit linux-kernel-base
12 # Whilst not a module, this ensures we don't get multilib extended (which would make no sense)
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 # ${B} not to change while we install, so virtual/kernel must finish do_compile.
18 do_install[depends] += "virtual/kernel:do_shared_workdir"
19 # Need the source, not just the output of populate_sysroot
20 do_install[depends] += "virtual/kernel:do_install"
22 # There's nothing to do here, except install the source where we can package it
23 do_fetch[noexec] = "1"
24 do_unpack[noexec] = "1"
25 do_patch[noexec] = "1"
26 do_configure[noexec] = "1"
27 do_compile[noexec] = "1"
28 do_populate_sysroot[noexec] = "1"
30 S = "${STAGING_KERNEL_DIR}"
31 B = "${STAGING_KERNEL_BUILDDIR}"
33 KERNEL_VERSION = "${@get_kernelversion_headers('${S}')}"
35 PACKAGE_ARCH = "${MACHINE_ARCH}"
38 kerneldir=${D}${KERNEL_SRC_PATH}
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
47 find . -type d -name '.git*' -prune -o -path '.debug' -prune -o -type f -print0 | cpio --null -pdlu $kerneldir
49 find . -type d -name '.git*' -prune -o -type d -name '.kernel-meta' -prune -o -type f -print0 | cpio --null -pdlu $kerneldir
51 # Explicitly set KBUILD_OUTPUT to ensure that the image directory is cleaned and not
52 # The main build artifacts. We clean the directory to avoid QA errors on mismatched
53 # architecture (since scripts and helpers are native format).
54 KBUILD_OUTPUT="$kerneldir"
55 oe_runmake -C $kerneldir CC="${KERNEL_CC}" LD="${KERNEL_LD}" clean _mrproper_scripts
57 # make clean generates an absolute path symlink called "source"
58 # in $kerneldir points to $kerneldir, which doesn't make any
59 # sense, so remove it.
60 if [ -L $kerneldir/source ]; then
61 bbnote "Removing $kerneldir/source symlink"
62 rm -f $kerneldir/source
65 # As of Linux kernel version 3.0.1, the clean target removes
66 # arch/powerpc/lib/crtsavres.o which is present in
67 # KBUILD_LDFLAGS_MODULE, making it required to build external modules.
68 if [ ${ARCH} = "powerpc" ]; then
69 mkdir -p $kerneldir/arch/powerpc/lib/
70 cp ${B}/arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
73 # Remove fixdep/objtool as they won't be target binaries
74 for i in fixdep objtool; do
75 if [ -e $kerneldir/tools/objtool/$i ]; then
76 rm -rf $kerneldir/tools/objtool/$i
80 chown -R root:root ${D}
82 # Ensure we don't race against "make scripts" during cpio
83 do_install[lockfiles] = "${TMPDIR}/kernel-scripts.lock"
85 PACKAGES = "kernel-devsrc"
86 FILES_${PN} = "${KERNEL_SRC_PATH}"
89 INSANE_SKIP_${PN} = "arch"