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-rw-r--r--meta/classes/kernel.bbclass96
1 files changed, 74 insertions, 22 deletions
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 8299b394a7..dbd89057f3 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -176,13 +176,14 @@ do_unpack[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILD
do_clean[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}"
python do_symlink_kernsrc () {
s = d.getVar("S")
- if s[-1] == '/':
- # drop trailing slash, so that os.symlink(kernsrc, s) doesn't use s as directory name and fail
- s=s[:-1]
kernsrc = d.getVar("STAGING_KERNEL_DIR")
if s != kernsrc:
bb.utils.mkdirhier(kernsrc)
bb.utils.remove(kernsrc, recurse=True)
+ if s[-1] == '/':
+ # drop trailing slash, so that os.symlink(kernsrc, s) doesn't use s as
+ # directory name and fail
+ s = s[:-1]
if d.getVar("EXTERNALSRC"):
# With EXTERNALSRC S will not be wiped so we can symlink to it
os.symlink(s, kernsrc)
@@ -204,15 +205,14 @@ PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-firmware-.*"
export OS = "${TARGET_OS}"
export CROSS_COMPILE = "${TARGET_PREFIX}"
-export KBUILD_BUILD_VERSION = "1"
-export KBUILD_BUILD_USER ?= "oe-user"
-export KBUILD_BUILD_HOST ?= "oe-host"
KERNEL_RELEASE ?= "${KERNEL_VERSION}"
# The directory where built kernel lies in the kernel tree
KERNEL_OUTPUT_DIR ?= "arch/${ARCH}/boot"
KERNEL_IMAGEDEST ?= "boot"
+KERNEL_DTBDEST ?= "${KERNEL_IMAGEDEST}"
+KERNEL_DTBVENDORED ?= "0"
#
# configuration
@@ -231,8 +231,9 @@ UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
# Some Linux kernel configurations need additional parameters on the command line
KERNEL_EXTRA_ARGS ?= ""
-EXTRA_OEMAKE = " HOSTCC="${BUILD_CC}" HOSTCFLAGS="${BUILD_CFLAGS}" HOSTLDFLAGS="${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}""
-EXTRA_OEMAKE += " HOSTCXX="${BUILD_CXX}" HOSTCXXFLAGS="${BUILD_CXXFLAGS}" PAHOLE=false"
+EXTRA_OEMAKE += ' CC="${KERNEL_CC}" LD="${KERNEL_LD}"'
+EXTRA_OEMAKE += ' HOSTCC="${BUILD_CC}" HOSTCFLAGS="${BUILD_CFLAGS}" HOSTLDFLAGS="${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}"'
+EXTRA_OEMAKE += ' HOSTCXX="${BUILD_CXX}" HOSTCXXFLAGS="${BUILD_CXXFLAGS}"'
KERNEL_ALT_IMAGETYPE ??= ""
@@ -360,6 +361,10 @@ kernel_do_compile() {
export KBUILD_BUILD_TIMESTAMP="$ts"
export KCONFIG_NOTIMESTAMP=1
bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
+ else
+ ts=`LC_ALL=C date`
+ export KBUILD_BUILD_TIMESTAMP="$ts"
+ bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
fi
# The $use_alternate_initrd is only set from
# do_bundle_initramfs() This variable is specifically for the
@@ -375,7 +380,7 @@ kernel_do_compile() {
use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
fi
for typeformake in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do
- oe_runmake ${typeformake} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} $use_alternate_initrd
+ oe_runmake ${PARALLEL_MAKE} ${typeformake} ${KERNEL_EXTRA_ARGS} $use_alternate_initrd
done
}
@@ -391,6 +396,13 @@ addtask transform_kernel after do_compile before do_install
do_compile_kernelmodules() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
+
+ # setup native pkg-config variables (kconfig scripts call pkg-config directly, cannot generically be overriden to pkg-config-native)
+ export PKG_CONFIG_DIR="${STAGING_DIR_NATIVE}${libdir_native}/pkgconfig"
+ export PKG_CONFIG_PATH="$PKG_CONFIG_DIR:${STAGING_DATADIR_NATIVE}/pkgconfig"
+ export PKG_CONFIG_LIBDIR="$PKG_CONFIG_DIR"
+ export PKG_CONFIG_SYSROOT_DIR=""
+
if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then
# kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not
# be set....
@@ -405,11 +417,15 @@ do_compile_kernelmodules() {
export KBUILD_BUILD_TIMESTAMP="$ts"
export KCONFIG_NOTIMESTAMP=1
bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
+ else
+ ts=`LC_ALL=C date`
+ export KBUILD_BUILD_TIMESTAMP="$ts"
+ bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
fi
if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then
- oe_runmake -C ${B} ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
+ oe_runmake -C ${B} ${PARALLEL_MAKE} modules ${KERNEL_EXTRA_ARGS}
- # Module.symvers gets updated during the
+ # Module.symvers gets updated during the
# building of the kernel modules. We need to
# update this in the shared workdir since some
# external kernel modules has a dependency on
@@ -433,10 +449,10 @@ kernel_do_install() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
oe_runmake DEPMOD=echo MODLIB=${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION} INSTALL_FW_PATH=${D}${nonarch_base_libdir}/firmware modules_install
- rm "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
- rm "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/source"
- # If the kernel/ directory is empty remove it to prevent QA issues
- rmdir --ignore-fail-on-non-empty "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/kernel"
+ rm -f "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
+ rm -f "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/source"
+ # Remove empty module directories to prevent QA issues
+ find "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/kernel" -type d -empty -delete
else
bbnote "no modules to install"
fi
@@ -532,6 +548,7 @@ do_shared_workdir () {
#
echo "${KERNEL_VERSION}" > $kerneldir/${KERNEL_PACKAGE_NAME}-abiversion
+ echo "${KERNEL_LOCALVERSION}" > $kerneldir/${KERNEL_PACKAGE_NAME}-localversion
# Copy files required for module builds
cp System.map $kerneldir/System.map-${KERNEL_VERSION}
@@ -584,14 +601,28 @@ do_shared_workdir () {
cp tools/objtool/objtool ${kerneldir}/tools/objtool/
fi
fi
+
+ # When building with CONFIG_MODVERSIONS=y and CONFIG_RANDSTRUCT=y we need
+ # to copy the build assets generated for the randstruct seed to
+ # STAGING_KERNEL_BUILDDIR, otherwise the out-of-tree modules build will
+ # generate those assets which will result in a different
+ # RANDSTRUCT_HASHED_SEED
+ if [ -d scripts/basic ]; then
+ mkdir -p ${kerneldir}/scripts
+ cp -r scripts/basic ${kerneldir}/scripts
+ fi
+
+ if [ -d scripts/gcc-plugins ]; then
+ mkdir -p ${kerneldir}/scripts
+ cp -r scripts/gcc-plugins ${kerneldir}/scripts
+ fi
+
}
# We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware
-sysroot_stage_all () {
- :
-}
+SYSROOT_DIRS = ""
-KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} CC="${KERNEL_CC}" LD="${KERNEL_LD}" O=${B} olddefconfig || oe_runmake -C ${S} O=${B} CC="${KERNEL_CC}" LD="${KERNEL_LD}" oldnoconfig"
+KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} O=${B} olddefconfig || oe_runmake -C ${S} O=${B} oldnoconfig"
python check_oldest_kernel() {
oldest_kernel = d.getVar('OLDEST_KERNEL')
@@ -607,12 +638,31 @@ python check_oldest_kernel() {
check_oldest_kernel[vardepsexclude] += "OLDEST_KERNEL KERNEL_VERSION"
do_configure[prefuncs] += "check_oldest_kernel"
+KERNEL_LOCALVERSION ??= ""
+
+# 6.3+ requires the variable LOCALVERSION to be set to not get a "+" in
+# the local version. Having it empty means nothing will be added, and any
+# value will be appended to the local kernel version. This replaces the
+# use of .scmversion file for setting a localversion without using
+# the CONFIG_LOCALVERSION option.
+#
+# Note: This class saves the value of localversion to a file
+# so other recipes like make-mod-scripts can restore it via the
+# helper function get_kernellocalversion_file
+export LOCALVERSION="${KERNEL_LOCALVERSION}"
+
kernel_do_configure() {
# fixes extra + in /lib/modules/2.6.37+
# $ scripts/setlocalversion . => +
# $ make kernelversion => 2.6.37
# $ make kernelrelease => 2.6.37+
- touch ${B}/.scmversion ${S}/.scmversion
+ # See kernel-arch.bbclass for post v6.3 removal of the extra
+ # + in localversion. .scmversion is no longer used, and the
+ # variable LOCALVERSION must be used
+ if [ ! -e ${B}/.scmversion -a ! -e ${S}/.scmversion ]; then
+ echo ${KERNEL_LOCALVERSION} > ${B}/.scmversion
+ echo ${KERNEL_LOCALVERSION} > ${S}/.scmversion
+ fi
if [ "${S}" != "${B}" ] && [ -f "${S}/.config" ] && [ ! -f "${B}/.config" ]; then
mv "${S}/.config" "${B}/.config"
@@ -634,9 +684,10 @@ do_savedefconfig() {
do_savedefconfig[nostamp] = "1"
addtask savedefconfig after do_configure
-inherit cml1
+inherit cml1 pkgconfig
-KCONFIG_CONFIG_COMMAND:append = " PAHOLE=false LD='${KERNEL_LD}' HOSTLDFLAGS='${BUILD_LDFLAGS}'"
+# Need LD, HOSTLDFLAGS and more for config operations
+KCONFIG_CONFIG_COMMAND:append = " ${EXTRA_OEMAKE}"
EXPORT_FUNCTIONS do_compile do_transform_kernel do_transform_bundled_initramfs do_install do_configure
@@ -649,6 +700,7 @@ FILES:${KERNEL_PACKAGE_NAME}-image = ""
FILES:${KERNEL_PACKAGE_NAME}-dev = "/${KERNEL_IMAGEDEST}/System.map* /${KERNEL_IMAGEDEST}/Module.symvers* /${KERNEL_IMAGEDEST}/config* ${KERNEL_SRC_PATH} ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
FILES:${KERNEL_PACKAGE_NAME}-vmlinux = "/${KERNEL_IMAGEDEST}/vmlinux-${KERNEL_VERSION_NAME}"
FILES:${KERNEL_PACKAGE_NAME}-modules = ""
+FILES:${KERNEL_PACKAGE_NAME}-dbg = "/usr/lib/debug /usr/src/debug"
RDEPENDS:${KERNEL_PACKAGE_NAME} = "${KERNEL_PACKAGE_NAME}-base (= ${EXTENDPKGV})"
# Allow machines to override this dependency if kernel image files are
# not wanted in images as standard