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During a linux-backports update, it was found that kernel v3.10.108 was failing to compile. See: https://lists.buildroot.org/pipermail/buildroot/2022-August/649507.html This issue was introduced by commit9b41b54be0"linux: fix build with host-gcc 10+", which removes all declarations of "yylloc" symbols in the dtc parser. This symbol is generated by bison, if the "%locations" directive is provided in the parser. See: https://git.savannah.gnu.org/cgit/bison.git/tree/doc/bison.texi?h=v3.8.2#n5984 Kernel versions < 5.6 did not include this directive, so removing all yylloc declararions in the parser also was failing for those version. In the kernel, dtc was updated to v1.5.1-22-gc40aeb60b47a in: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0cec114e36606412908a35695a5db944cec2e3db This commit is included in kernel v5.6. This dtc update include the dtc commit: https://git.kernel.org/pub/scm/utils/dtc/dtc.git/commit/?id=7150286225476345bd6e7312331e3baf4d621c32 which adds the '%locations' directive. This commit fixes the issue by programmatically adding the '%locations' Bison directive, if it's not found in the parser file. Fixes: - https://bugs.busybox.net/show_bug.cgi?id=14971 Signed-off-by: Julien Olivain <ju.o@free.fr> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> (cherry picked from commite75f396208) Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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