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Since Buildroot commit25cb3813e7which bumped LLVM from 21.x to 22.x, the build of bpftrace is broken as bpftrace 0.24.2 only supports LLVM up to 21. We tried backporting the bpftrace patch that allows using LLVM up to version 22 but the patch didn't apply cleanly but more importantly it wasn't clear if this patch was sufficient. Therefore, we opt for bumping bpftrace entirely to fix the issue. Packaging changes: - The new version of bpftrace no longer needs host-bison/host-flex, because bpftrace is now using a handwritten parser. - Pass -DUSE_SYSTEM_LIBBPF:BOOL=ON to ensure the system libbpf version is used, and not the bundled version - Now depends on kernel headers >= 5.10 because it needs CAP_BPF and CAP_PERFMON Upstream changelog: https://github.com/bpftrace/bpftrace/blob/v0.26.1/CHANGELOG.md Fixes: https://autobuild.buildroot.net/results/a3e3fd696685864977c688aa11c2653357cf6207/ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> [Julien: add link to upstream changelog] Signed-off-by: Julien Olivain <ju.o@free.fr> (cherry picked from commitcc25888c88) Signed-off-by: Raphaël Mélotte <raphael.melotte@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