kernel: moves KERNEL_SRC_PATH to bitbake.conf

"/usr/src/kernel" is being hard-coded in multiple recipes so far, move its
definition to bitbake.conf.

(From OE-Core rev: eb9f900527e02ca08a1de14b4ac773f513bb1ee4)

Signed-off-by: Ming Liu <peter.x.liu@external.atlascopco.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

4 files changed, 5 insertions, 8 deletions

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 6e3e81e936..963f327dd6 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -121,10 +121,6 @@ EXTRA_OEMAKE = ""
 
 KERNEL_ALT_IMAGETYPE ??= ""
 
-# Define where the kernel headers are installed on the target as well as where
-# they are staged.
-KERNEL_SRC_PATH = "/usr/src/kernel"
-
 copy_initramfs() {
         echo "Copying initramfs into ./usr ..."
         # In case the directory is not created yet from the first pass compile:
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 382dadca6d..8a84e53c1b 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -407,6 +407,10 @@ OLDEST_KERNEL = "3.2.0"
 OLDEST_KERNEL_aarch64 = "3.14"
 OLDEST_KERNEL_nios2 = "3.19"
 
+# Define where the kernel headers are installed on the target as well as where
+# they are staged.
+KERNEL_SRC_PATH = "/usr/src/kernel"
+
 STAGING_KERNEL_DIR = "${TMPDIR}/work-shared/${MACHINE}/kernel-source"
 STAGING_KERNEL_BUILDDIR = "${TMPDIR}/work-shared/${MACHINE}/kernel-build-artifacts"
 
diff --git a/meta/recipes-core/images/build-appliance-image_14.0.0.bb b/meta/recipes-core/images/build-appliance-image_14.0.0.bb
index 569fb3ae57..2a1a56b617 100644
--- a/meta/recipes-core/images/build-appliance-image_14.0.0.bb
+++ b/meta/recipes-core/images/build-appliance-image_14.0.0.bb
@@ -54,7 +54,7 @@ fakeroot do_populate_poky_src () {
         cp ${WORKDIR}/README_VirtualBox_Guest_Additions.txt ${IMAGE_ROOTFS}/home/builder/
 
         # Create a symlink, needed for out-of-tree kernel modules build
-        ln -snr ${IMAGE_ROOTFS}/usr/src/kernel ${IMAGE_ROOTFS}/lib/modules/${KERNEL_VERSION}/build
+        ln -snr ${IMAGE_ROOTFS}${KERNEL_SRC_PATH} ${IMAGE_ROOTFS}/lib/modules/${KERNEL_VERSION}/build
 
         echo "/usr/bin" > ${IMAGE_ROOTFS}/home/builder/poky/build/pseudodone
         echo "INHERIT += \"rm_work\"" >> ${IMAGE_ROOTFS}/home/builder/poky/build/conf/auto.conf
diff --git a/meta/recipes-kernel/linux/kernel-devsrc.bb b/meta/recipes-kernel/linux/kernel-devsrc.bb
index 196c8c7a24..0fdd0ad5f6 100644
--- a/meta/recipes-kernel/linux/kernel-devsrc.bb
+++ b/meta/recipes-kernel/linux/kernel-devsrc.bb
@@ -28,9 +28,6 @@ do_configure[noexec] = "1"
 do_compile[noexec] = "1"
 do_populate_sysroot[noexec] = "1"
 
-# Define where the kernel headers are installed on the target as well as where
-# they are staged.
-KERNEL_SRC_PATH = "/usr/src/kernel"
 S = "${STAGING_KERNEL_DIR}"
 B = "${STAGING_KERNEL_BUILDDIR}"