buildroot/linux/linux.mk, branch 2018.02

linux: meddle not in the internals of filesystems

2017-11-30T10:49:07+00:00

Currently, the rule to rebuild the Linux kernel with an initramfs directly depends on the path of the file of the intermediate cpio image. This is inherently "bad" from a purity point of view; linux.mk should not have to delve into the fs internals. Rather, make it directly depend on the "frontal" rule that generates the cpio image. Drop the comment for linux-rebuild-with-initramfs, it was misleading (talking about generating "the initramfs list of files", which is not what was done, since we use a cpio as source of initramfs, not a list of files). Signed-off-by: "Yann E. MORIN" Cc: Thomas Petazzoni Cc: Arnout Vandecappelle Cc: Romain Naour Signed-off-by: Thomas Petazzoni

linux: split overly-long dependency line for readability

2017-11-30T10:40:59+00:00

Signed-off-by: "Yann E. MORIN" Cc: Thomas Petazzoni Cc: Arnout Vandecappelle Reviewed-by: Romain Naour Signed-off-by: Thomas Petazzoni

linux: Deselect all unconfigured compression options

2017-10-21T18:20:45+00:00

The LINUX_KCONFIG_FIXUP_CMDS are meant to deselect any compression option that are not selected in the buildroot configuration. But it only deselects the last one in the list instead of all of them because it overwrites the LINUX_COMPRESSION_OPT_ variable instead of appending to it. Only the last option set to that variable gets deselected. This produces the warning: .config:2216:warning: override: KERNEL_GZIP changes choice state is emitted when buildroot runs olddefconfig when buildroot configures a kernel with a custom config that has a different kernel compression option set to what is configured in buildroot. Accumulate all the deselected compression options instead of overwriting them to ensure all non-selected options get deselected.. Signed-off-by: Cam Hutchison Reviewed-by: "Yann E. MORIN" Signed-off-by: Peter Korsgaard

wireguard: add new package

2017-10-02T20:59:26+00:00

[Peter: Fix help text, drop suboptions, drop patches, fix dependencies, handle optional bash dependency, use kernel-module infrastructure, enable needed kernel options] Signed-off-by: Aurélien Chabot Signed-off-by: Peter Korsgaard

linux: Fix URL for release candidate versions

2017-08-11T10:35:16+00:00

Starting with 4.12-rc1, tarballs are generated by cgit directly from Linus's tree. This also implies that no .tar.xz can be used for them. This method also applies to older release candidates. Signed-off-by: Luis Araneda [Arnout: added comment in the code] Signed-off-by: Arnout Vandecappelle (Essensium/Mind)

linux: apply xtensa overlay

2017-07-09T15:03:37+00:00

Xtensa core configuration must be added to linux before it can be built for that xtensa CPU variant. Extract configuration files from the xtensa overlay as is done for other packages that need to be configured for a specific xtensa core. Signed-off-by: Max Filippov Signed-off-by: Thomas Petazzoni

Globally replace $(HOST_DIR)/usr/bin with $(HOST_DIR)/bin

2017-07-05T13:19:29+00:00

Since things are no longer installed in $(HOST_DIR)/usr, the callers should also not refer to it. This is a mechanical change with git grep -l '$(HOST_DIR)/usr/bin' | xargs sed -i 's%$(HOST_DIR)/usr/bin%$(HOST_DIR)/bin%g' Signed-off-by: Arnout Vandecappelle (Essensium/Mind) Signed-off-by: Thomas Petazzoni

linux: exclude from hash check except for latest version

2017-06-11T12:13:59+00:00

We don't have a hash for any linux version. We currently also don't have a hash for the latest version, but if we ever add a hash, it will only be for the latest version. This simplifies the code a little because soon we will add hash checks for git as well, so we also need an exclusion in that case. It's much easier to always exclude except in the single case where we do have a hash. Signed-off-by: Arnout Vandecappelle (Essensium/Mind) Signed-off-by: Thomas Petazzoni

linux: fix name of config variable

2017-06-08T14:48:53+00:00

In 4c10eedc1 (systemd: enable required kernel features), we added setting a few required kernel features to ensure systemd works. However, there was a typo for one of the variables: CONFIG_TMPFS_XATTR was written as CONFIG_TMPFS_POSIX_XATTR, which does not exist (and never ever existed, at least not since 2.6.12)... Reported-by: Michael Heinemann Signed-off-by: "Yann E. MORIN" Cc: Maxime Hadjinlian Cc: Eric Le Bihan Cc: Michael Heinemann Signed-off-by: Peter Korsgaard

linux: select BR2_PACKAGE_HOST_UBOOT_TOOLS instead of BR2_LINUX_KERNEL_UBOOT_IMAGE

2017-04-12T19:42:52+00:00

A long time ago, the blind config option BR2_LINUX_KERNEL_UBOOT_IMAGE was introduced to be able to trigger the linux -> host-uboot-tools dependency. Back in those days, there was no user-configurable BR2_PACKAGE_HOST_UBOOT_TOOLS. Now, however, it is possible to select a custom kernel image name that needs uboot-tools, and manually enable BR2_PACKAGE_HOST_UBOOT_TOOLS. In this case, however, the linux -> host-uboot-tools is missed and the build is not reproducible. An example of such a situation is the upcoming CI40 defconfig. As a solution, remove BR2_LINUX_KERNEL_UBOOT_IMAGE entirely. Instead, just select BR2_PACKAGE_HOST_UBOOT_TOOLS and add the dependency if it is selected. Note that this may introduce a redundant dependency in case the user selected BR2_PACKAGE_HOST_UBOOT_TOOLS for some other reason (e.g. to be able to generate a U-Boot environment to include in the image, while the kernel is built as a zImage). However, the redundant dependency shouldn't hurt much. Signed-off-by: Arnout Vandecappelle (Essensium/Mind) Cc: Abhimanyu Vishwakarma Signed-off-by: Thomas Petazzoni