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authorBruce Ashfield <bruce.ashfield@windriver.com>2018-06-06 22:07:26 -0400
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-06-08 11:11:22 +0100
commitff1bdd75d50f0ebac3d599e461685ace29559a82 (patch)
tree2afb6f1b1f0fc76329e19cc3ab44c0da93f8ecfc /meta/classes/kernel-yocto.bbclass
parent01a4a4e24a2b61229be32f8852b2d5bc28c5689c (diff)
downloadopenembedded-core-ff1bdd75d50f0ebac3d599e461685ace29559a82.tar.gz
kernel: specify dependencies for compilation for config tasks
With recent kernels (i.e. 4.17+) the configuration phase of the kernel will check for capabilities/options of the compiler for CVE and other mitigation support. For a general kernel, we want to ensure that CC is fully defined when the config targets are invoked (so the proper compiler will be checked). For linux-yocto, we also need to specify the compiler/tools dependencies for the configme task since it executes before configure and hence the main kernel build DEPENDS will not always be in the sysroot before it executes. Without those dependencies the kernel will be incorrectly configured (i.e. bison is missing) or the configuration will fail the mitigation tests. [YOCTO #12757] Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/classes/kernel-yocto.bbclass')
-rw-r--r--meta/classes/kernel-yocto.bbclass5
1 files changed, 4 insertions, 1 deletions
diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index 4ac3a39e47..82d80741a9 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -275,6 +275,9 @@ addtask kernel_metadata after do_validate_branches do_unpack before do_patch
do_kernel_metadata[depends] = "kern-tools-native:do_populate_sysroot"
do_validate_branches[depends] = "kern-tools-native:do_populate_sysroot"
+do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}binutils:do_populate_sysroot"
+do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}gcc:do_populate_sysroot"
+do_kernel_configme[depends] += "bc-native:do_populate_sysroot bison-native:do_populate_sysroot"
do_kernel_configme[dirs] += "${S} ${B}"
do_kernel_configme() {
set +e
@@ -304,7 +307,7 @@ do_kernel_configme() {
bbfatal_log "Could not find configuration queue (${meta_dir}/config.queue)"
fi
- CFLAGS="${CFLAGS} ${TOOLCHAIN_OPTIONS}" ARCH=${ARCH} merge_config.sh -O ${B} ${config_flags} ${configs} > ${meta_dir}/cfg/merge_config_build.log 2>&1
+ CFLAGS="${CFLAGS} ${TOOLCHAIN_OPTIONS}" HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}" CC="${KERNEL_CC}" ARCH=${ARCH} merge_config.sh -O ${B} ${config_flags} ${configs} > ${meta_dir}/cfg/merge_config_build.log 2>&1
if [ $? -ne 0 ]; then
bbfatal_log "Could not configure ${KMACHINE}-${LINUX_KERNEL_TYPE}"
fi