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Thomas Petazzoni 4ed7d51d18 package/gcc: add patch to fix glibc header conflict This commit backports the patch "fixinc: don't "fix" machine names in __has_include(...)" from upstream GCC, which is needed to resolve a header conflict between glibc headers and kernel headers, which has appeared since we bumped glibc to version 2.36 in commit `80c8c15c85`. The problem comes from the "fixinc" logic used by gcc to fixup some headers files, generated inside an include-fixed/ folder. This logic ended up replacing "linux/mount.h" by "__linux__/mount.h" in __has_include() invocation, like this: #ifdef __has_include # if __has_include ("__linux__/mount.h") # include "linux/mount.h" # endif #endif in build/host-gcc-final-11.3.0/build/gcc/include-fixed/sys/mount.h. With this fix in place, this "include-fixed" header is no longer generated, avoiding the problem. This issue was visible in two different ways in glibc configurations: - As a build failure during the gcc build itself, for architectures that support libsanitizer, as libsanitizer includes mount.h, and would therefore encounter the header conflict. - As a build failure during another user-space package (such as sysvinit for example), on architectures when libsanitizer isn't used, and therefore for which the gcc build was successful, but the header conflict shows up when building some "random" user-space package. The problem is already fixed in GCC 12.2.0, so no patch is required. The problem did not exist back in GCC 8.4.0, so this version does not need patching. Consequently, the patch is only needed for GCC 10.4.0, GCC 11.3.0 and the special ARC 2020.09-release version. Fixes: (gcc build issue, on architecture that supports libsanitizer) http://autobuild.buildroot.net/results/90fe4c3b8b72a2c28555674383de9bbd9e8ae09a/ (sysvinit build issue, on architecture that does not support libsanitizer) http://autobuild.buildroot.net/results/d7bf5795b7621a92be32f18794e3e67944fb96db/ (crun) http://autobuild.buildroot.net/results/e3e8da4f797dced48aedf8c636db983d36849850/ (libarchive) http://autobuild.buildroot.net/results/9fcbf0c036a97b2e9a4fcc6e173bcfa09e1b3dac/ Thanks a lot to Peter Seiderer for pointing the relevant GCC commit. Fixes: https://bugs.busybox.net/show_bug.cgi?id=15021 Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Reviewed-by: Romain Naour <romain.naour@smile.fr> Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>		2022-10-26 13:35:59 +02:00
arch	arch/Config.in.arm: drop support for iwmmxt architecture variant	2022-09-25 14:06:08 +02:00
board	configs/visionfive_defconfig: new defconfig	2022-10-14 15:47:21 +02:00
boot	boot/grub2: ignore CVE-2021-46705	2022-10-25 23:06:13 +02:00
configs	configs/olimex_a20_olinuxino_lime*: bump Linux and U-Boot	2022-10-24 22:57:10 +02:00
docs	docs/website: update for 2022.08.1	2022-10-03 08:52:43 +02:00
fs	fs/cpio: fix slight typo in help text	2022-09-18 21:30:33 +02:00
linux	{linux, linux-headers}: bump 4.{9, 14, 19}.x / 5.{4, 10, 15}.x / 6.0.x series	2022-10-15 18:49:27 +02:00
package	package/gcc: add patch to fix glibc header conflict	2022-10-26 13:35:59 +02:00
support	toolchain: support gconv modules from glibc >= 2.34	2022-10-21 21:02:40 +02:00
system	package/systemd: add setting for systemd default.target	2022-05-02 22:58:44 +02:00
toolchain	toolchain: support gconv modules from glibc >= 2.34	2022-10-21 21:02:40 +02:00
utils	utils/genrandconfig: fix flake8	2022-09-18 17:09:30 +02:00
.clang-format	.clang-format: initial import from Linux 5.15.6	2022-01-01 15:01:13 +01:00
.defconfig
.flake8
.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 2022.08.1	2022-10-03 08:49:17 +02:00
Config.in	Config.in: move toolchain menu before build options	2022-07-27 11:11:19 +02:00
Config.in.legacy	package/linux-headers: drop 5.17.x option	2022-10-06 19:53:49 +02:00
COPYING
DEVELOPERS	DEVELOPERS: add missing ending slash	2022-10-24 23:14:46 +02:00
Makefile	Makefile: really generate glibc locales in parallel	2022-10-21 20:59:54 +02:00
Makefile.legacy
README

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