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SUMMARY = "Linux kernel"
SECTION = "kernel"
LICENSE = "GPL-2.0-only"
HOMEPAGE = "https://www.yoctoproject.org/"
LIC_FILES_CHKSUM ?= "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
UPSTREAM_CHECK_GITTAGREGEX = "(?P<pver>\d+\.\d+(\.\d+)*)"
RECIPE_NO_UPDATE_REASON = "Recipe is updated through a separate process"
# Skip processing of this recipe if it is not explicitly specified as the
# PREFERRED_PROVIDER for virtual/kernel. This avoids network access required
# by the use of AUTOREV SRCREVs, which are the default for this recipe.
python () {
if d.getVar("KERNEL_PACKAGE_NAME") == "kernel" and d.getVar("PREFERRED_PROVIDER_virtual/kernel") != d.getVar("PN"):
d.delVar("BB_DONT_CACHE")
raise bb.parse.SkipRecipe("Set PREFERRED_PROVIDER_virtual/kernel to %s to enable it" % (d.getVar("PN")))
}
DEPENDS += "xz-native bc-native"
DEPENDS:append:aarch64 = " libgcc"
KERNEL_CC:append:aarch64 = " ${TOOLCHAIN_OPTIONS}"
KERNEL_LD:append:aarch64 = " ${TOOLCHAIN_OPTIONS}"
DEPENDS:append:nios2 = " libgcc"
KERNEL_CC:append:nios2 = " ${TOOLCHAIN_OPTIONS}"
KERNEL_LD:append:nios2 = " ${TOOLCHAIN_OPTIONS}"
DEPENDS:append:arc = " libgcc"
KERNEL_CC:append:arc = " ${TOOLCHAIN_OPTIONS}"
KERNEL_LD:append:arc = " ${TOOLCHAIN_OPTIONS}"
KERNEL_FEATURES:append:qemuall=" features/debug/printk.scc features/taskstats/taskstats.scc"
KERNEL_FEATURES:append = " ${@bb.utils.contains('MACHINE_FEATURES', 'efi', 'cfg/efi.scc', '', d)}"
KERNEL_FEATURES:append = " ${@bb.utils.contains('MACHINE_FEATURES', 'numa', 'features/numa/numa.scc', '', d)}"
KERNEL_FEATURES:append = " ${@bb.utils.contains('MACHINE_FEATURES', 'vfat', 'cfg/fs/vfat.scc', '', d)}"
# A KMACHINE is the mapping of a yocto $MACHINE to what is built
# by the kernel. This is typically the branch that should be built,
# and it can be specific to the machine or shared
# KMACHINE = "UNDEFINED"
LINUX_VERSION_EXTENSION ??= "-yocto-${LINUX_KERNEL_TYPE}"
# Pick up shared functions
inherit kernel
inherit kernel-yocto
B = "${WORKDIR}/linux-${PACKAGE_ARCH}-${LINUX_KERNEL_TYPE}-build"
do_install:append(){
if [ -n "${KMETA}" ]; then
rm -rf ${STAGING_KERNEL_DIR}/${KMETA}
fi
}
# enable kernel-sample for oeqa/runtime/cases's ksample.py test
KERNEL_FEATURES:append:qemuall=" features/kernel-sample/kernel-sample.scc"
KERNEL_DEBUG ?= ""
# These used to be version specific, but are now common dependencies. New
# tools / dependencies will continue to be added in version specific recipes.
DEPENDS += '${@bb.utils.contains_any("ARCH", [ "x86", "arm64", "powerpc" ], "elfutils-native", "", d)}'
DEPENDS += "openssl-native util-linux-native"
DEPENDS += "gmp-native libmpc-native"
# Some options depend on CONFIG_PAHOLE_VERSION, so need to make pahole-native available before do_kernel_configme
do_kernel_configme[depends] += '${@bb.utils.contains("KERNEL_DEBUG", "True", "pahole-native:do_populate_sysroot", "", d)}'
EXTRA_OEMAKE += '${@bb.utils.contains("KERNEL_DEBUG", "True", "", "PAHOLE=false", d)}'
do_devshell:prepend() {
# setup native pkg-config variables (kconfig scripts call pkg-config directly, cannot generically be overriden to pkg-config-native)
d.setVar("PKG_CONFIG_DIR", "${STAGING_DIR_NATIVE}${libdir_native}/pkgconfig")
d.setVar("PKG_CONFIG_PATH", "${PKG_CONFIG_DIR}:${STAGING_DATADIR_NATIVE}/pkgconfig")
d.setVar("PKG_CONFIG_LIBDIR", "${PKG_CONFIG_DIR}")
d.setVarFlag("PKG_CONFIG_SYSROOT_DIR", "unexport", "1")
d.appendVar("OE_TERMINAL_EXPORTS", " PKG_CONFIG_DIR PKG_CONFIG_PATH PKG_CONFIG_LIBDIR PKG_CONFIG_SYSROOT_DIR")
}
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