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libabseil-cpp headers can break some packages build, like protobuf, when compiled with gcc 12. See [1] [2]. The issue has been reported in protobuf upstream, in [3]. The issue is due to gcc <= 12 not supporting the mix of standard C++ attributes with GNU attributes. See [4]. Gcc 12 has been removed from Buildroot internal toolchains in commit [5], but gcc 12 can still be present in external toolchains or on the host. This is currently the case of the Buildroot Docker reference image, based on Debian 12 (Bookworm). This commit fixes the issue by adding a package patch. Fixes: - [1] [2] and many more. [1] https://gitlab.com/buildroot.org/buildroot/-/jobs/13904066346 [2] https://autobuild.buildroot.org/results/33f6cfd37cb48c15a53b3e7123d5ce8388a0f2ab [3] https://github.com/protocolbuffers/protobuf/issues/26383 [4] https://gcc.gnu.org/PR69585 [5]58cf7c51da[6] https://github.com/abseil/abseil-cpp/pull/2044 Signed-off-by: Julien Olivain <ju.o@free.fr> Signed-off-by: Romain Naour <romain.naour@smile.fr> (cherry picked from commit955fb2f7c4) Signed-off-by: Thomas Perale <thomas.perale@mind.be>
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 https://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