linux/poky.git/meta/classes/kernel.bbclass, branch uninative-2.9

kernel.bbclass: Configuration for environment with HOSTCXX

2020-08-13T07:07:00+00:00

When compiling xilinx-zynq board linux-kernel-dev(v5.8) if "GCC_PLUGINS=y", The following error will appear: "HOSTCXX -fPIC scripts/gcc-plugins/arm_ssp_per_task_plugin.o fatal error: gmp.h: No such file or directory" the GCC_PLUGINS depend on return result of gcc-plugin.sh execution however in gcc-plugin.sh use HOSTCC to detect the feature of GNU extension of gcc, this will result that HOSTCC can compile the file successfully, but HOSTCXX is used in the actual compilation process. (From OE-Core rev: 740d87766cb87f75c477666d97cb0480c10217f4) Signed-off-by: Zhang Qiang Signed-off-by: Bruce Ashfield Signed-off-by: Richard Purdie

kernel.bbclass: make dependency on lzop-native conditional

2020-07-08T09:37:12+00:00

a native lzop is only needed when an lzo compressed initramfs is actually present (From OE-Core rev: 1217ddf070261c5fe523729b2a833bd38f1e4ccd) Signed-off-by: Timon Ulrich Signed-off-by: Richard Purdie

kernel.bbclass: add gzip-native to do_deploy dependencies

2020-07-08T09:37:12+00:00

When a modules tarball is created during kernel_do_deploy, the tarball is compressed using gzip, but gzip-native is not a dependency so the build host's gzip is being used for this. Using gzip-native will, by default, use pigz instead of single-threaded gzip, making this task less of a bottleneck for builds with a large modules package. (From OE-Core rev: 1243aad78601e9a5c0a3471c8a105c429536599d) Signed-off-by: Matt Madison Signed-off-by: Richard Purdie

classes/kernel: Use a copy of image for kernel*.rpm if fs doesn't support symlinks

2020-07-05T14:04:40+00:00

Some filesystems don't support symlink, then you will get failure when you install or update the kernel rpm package. Now we use a copy of image for these filesystems instead of symlink. Suggested-by: Bruce Ashfield Suggested-by: Richard Purdie (From OE-Core rev: bb946b8cdbd01408bfa0ba8e53f9e09931dfb29d) Signed-off-by: Yanfei Xu Signed-off-by: Richard Purdie

kernel.bbclass: add lz4 dependency and fix the call to lz4

2020-07-05T14:04:40+00:00

If the initramfs image is type lz4, then a native lz4 is needed. Additionally an output filename needs to be specified when calling lz4, otherwise STDOUT will be used implicitly. (From OE-Core rev: c83a7aec59defbbc049d44ba34a7a409ada4fa19) Signed-off-by: Timon Ulrich Signed-off-by: Richard Purdie

deploy.bbclass: Clean DEPLOYDIR before do_deploy

2020-06-30T22:03:02+00:00

do_deploy should clean up ${DEPLOYDIR} before running, just like do_install cleans up ${D} before running. This reduces the risk of DEPLOYDIR being accidentally contaminated by files from previous runs, possibly even with different config, in case of incremental builds. It is convenient to have this in deploy.bbclass, so it doesn't have to be duplicated in every recipe, considering for example meta-freescale, which has 23 affected recipes. All recipes using deploy.bbclass (grep -r 'inherit .*deploy') in poky, meta-openembedded and meta-freescale look like they either benefit from this or are at least not affected negatively by it. The only exception I've noticed was uboot-sign.bbclass, which was however fixed by the previous patch. (From OE-Core rev: 7083a7d56f4d90c81d2e6652ee291d20fd908bbe) Signed-off-by: Daniel Klauer Signed-off-by: Richard Purdie

kernel.bbclass: Fix Module.symvers support

2020-06-28T07:35:59+00:00

Starting from v5.8-rc1 commit 269a535ca931 (modpost: generate vmlinux.symvers and reuse it for the second modpost"), kernel will generate new vmlinux.symvers instead of dumping all the vmlinux symbols into Module.symvers in the first pass. Error log: 'run.do_shared_workdir.16614' failed with exit code 1: DEBUG: cp: cannot stat 'Module.symvers': No such file or directory This change will check the file Module.symvers existence before copying it. (From OE-Core rev: cd2d62a08a1dfcd890a03ee55132b6d6c65f5ab7) Signed-off-by: Lili Li Signed-off-by: Richard Purdie

linux-modules.tgz: fix file permissions to root

2020-05-22T16:07:44+00:00

the files of linux-modules should be same permissions with rootfs.tar.bz2, because it is a part of rootfs when used to install. (From OE-Core rev: 71e141906069c6f754199512741f6e3d5b72fee7) Signed-off-by: Li Wang Signed-off-by: Richard Purdie

kernel/reproducibility: kernel modules need SOURCE_DATE_EPOCH export

2020-05-15T15:31:45+00:00

If CONFIG_IKHEADERS is set to =m, then reproducibility issues creep into the modules build, since the variables we are setting for the main kernel build are not present. Since the source code must be available for a possibly git query on the timestamp, there didn't seem to be an easy way to move the environment variable setting to a common routine. As such, we duplicate the block of code that exports the required variables for reproducible builds. There is a maintenance risk to this, but any issues should be easy enough to catch. (From OE-Core rev: 82cdfcdccfedd320ebc0cdc778c7d4966198b96f) Signed-off-by: Bruce Ashfield Signed-off-by: Richard Purdie

classes/kernel: Generate reproducible kernel module tarball

2020-05-14T13:15:11+00:00

If reproducible binaries are requested, generate the kernel modules tarball in a reproducible way. Namely, sort the tarball contents, clamp the mtime to the source date epoch, compress the archive with a consistent compression level (9), and don't include the name and timestamp in the compressed file. [YOCTO #12719] (From OE-Core rev: 5c6a472c82a9b3c122fc54d3ee7171508c643a8b) Signed-off-by: Joshua Watt Signed-off-by: Richard Purdie