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Thomas Petazzoni 6465c79166 arch/arch.mk.xtensa: relax check on overlay file to apply only to internal toolchains 
Commit 4cbf733691 ("arch/xtensa: custom
configuration requires an overlay") added a check in
arch/arch.mk.xtensa to bail out if a custom Xtensa core is selected
but not overlay file is provided. While this is indeed a perfectly
valid check to make when building an internal toolchain, with an
external toolchain it's entirely possible to build with no overlay
file: the toolchain already exists, and there's no overlay to be
applied in the context of the Buildroot build.

And indeed commit 4cbf733691 broke some
of the runtime test cases that use a custom Xtensa core configuration,
with no overlay, to test the toolchains.bootlin.com Xtensa external
toolchain. By relaxing the check to only apply to internal toolchain
configurations, we fix those test cases.

It is to be noted that this still allows a configuration where gdb gets
built for a custom core, but with no overlay, so basically that means
the fsf variant, which can lead to build or run failures that
4cbf733691 attempted to fix to begin with. This still covers the
most common cases.

Finally, it also means being able to build a kernel with no overlay, but
this is offset by the fact that the kernel may be already patched with
an overlay (as it is possible to specify a custom kernel), which is most
probably what people using a custom core would have.

Fixes:

  https://gitlab.com/buildroot.org/buildroot/-/jobs/3282261966
  https://gitlab.com/buildroot.org/buildroot/-/jobs/3282261963

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
[yann.morin.1998@free.fr: extend commit log with last two paragraphs]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2022-11-13 22:32:31 +01:00
arch arch/arch.mk.xtensa: relax check on overlay file to apply only to internal toolchains 2022-11-13 22:32:31 +01:00
board board/zynqmp/kria/kv260/uboot.fragment: remove unnecessary CONFIG_MULTI_DTB_FIT option 2022-11-13 21:57:21 +01:00
boot boot/arm-trusted-firmware: fix SSP disable in v2.2 2022-11-13 21:54:57 +01:00
configs configs/kontron_bl_imx8mm_defconfig: bump U-boot to 2022.10 2022-11-13 14:31:20 +01:00
docs Update for 2022.11-rc1 2022-11-03 16:50:49 +01:00
fs fs/cpio: don't fail systems without /dev/null 2022-11-01 21:44:49 +01:00
linux package/linux: don't leak host timezone into linux version string 2022-11-05 15:09:33 +01:00
package package/ntfs-3g: security bump to version 2022.10.3 2022-11-13 22:13:10 +01:00
support support/testing/tests/package/test_gdb.py: drop version-specific tests 2022-11-03 23:08:10 +01:00
system package/systemd: add setting for systemd default.target 2022-05-02 22:58:44 +02:00
toolchain package/glibc: headers >= 5.4 needed on RISC-V 32-bit 2022-10-30 12:44:15 +01:00
utils utils/genrandconfig: handle a10disp 2022-10-31 13:20:03 +01:00
.clang-format .clang-format: initial import from Linux 5.15.6 2022-01-01 15:01:13 +01:00
.defconfig arch: remove support for sh64 2016-09-08 22:15:15 +02:00
.flake8 Revert ".flake8: fix check for 80/132 columns" 2021-01-02 17:38:20 +01:00
.gitignore
.gitlab-ci.yml utils/checkpackagelib/lib_sysv: run shellcheck 2022-02-06 18:27:03 +01:00
.shellcheckrc utils/check-package: improve shellcheck reproducibility 2022-07-25 23:52:47 +02:00
CHANGES Update for 2022.11-rc1 2022-11-03 16:50:49 +01:00
Config.in Config.in: move toolchain menu before build options 2022-07-27 11:11:19 +02:00
Config.in.legacy package/libdcadec: remove package 2022-11-05 19:09:54 +01:00
COPYING
DEVELOPERS DEVELOPERS: drop entry related to inexisting directory 2022-11-11 22:58:42 +01:00
Makefile Update for 2022.11-rc1 2022-11-03 16:50:49 +01:00
Makefile.legacy Remove BR2_DEPRECATED 2016-10-15 23:14:45 +02:00
README docs: move the IRC channel away from Freenode 2021-05-29 22:16:23 +02:00

README 

Buildroot is a simple, efficient and easy-to-use tool to generate embedded
Linux systems through cross-compilation.

The documentation can be found in docs/manual. You can generate a text
document with 'make manual-text' and read output/docs/manual/manual.text.
Online documentation can be found at http://buildroot.org/docs.html

To build and use the buildroot stuff, do the following:

1) run 'make menuconfig'
2) select the target architecture and the packages you wish to compile
3) run 'make'
4) wait while it compiles
5) find the kernel, bootloader, root filesystem, etc. in output/images

You do not need to be root to build or run buildroot.  Have fun!

Buildroot comes with a basic configuration for a number of boards. Run
'make list-defconfigs' to view the list of provided configurations.

Please feed suggestions, bug reports, insults, and bribes back to the
buildroot mailing list: buildroot@buildroot.org
You can also find us on #buildroot on OFTC IRC.

If you would like to contribute patches, please read
https://buildroot.org/manual.html#submitting-patches