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Since Buildroot commit3145adfb69("package/libbpf: needs headers >= 4.13"), libbpf depends on Linux headers >= 4.13. This requirement renders the explicit list of supported architectures, previously added inf693354c30overly restrictive, as the syscall number for bpf(2) has been defined since Linux 3.18. Commitf693354c30("package/libbpf: add BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS") was introduced to fix a build issue where a toolchain using very old kernel headers (3.13) failed to build libbpf for ARM, but these architecture dependencies are no longer needed due to the bump on the kernel headers version requirement. Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.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