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Those target configurations marked as "secondary" will be tested with a lower probability in autobuilders. The intent is to focus the Buildroot development (and bugfixes) on mainstream configurations, while still keeping some other, less common, configurations. This commit marks the following CPU architectures as secondary: BR2_arcle (ARC little endian) BR2_armeb (ARM big endian) BR2_aarch64_be (AArch64 big endian) BR2_hppa (PA-RISC) BR2_loongarch64 BR2_m68k BR2_microblazeel (Microblaze AXI, little endian) BR2_microblazebe (Microblaze non-AXI, big endian) BR2_mips (MIPS, big endian) BR2_mipsel (MIPS, little endian) BR2_mips64 (MIPS64 big endian) BR2_or1k (OpenRISC) BR2_powerpc (PowerPC, big endian) BR2_powerpc64 (PowerPC64, big endian) BR2_s390x BR2_sh (SuperH) BR2_sparc BR2_sparc64 BR2_xtensa In the following CPU architecture, only specific configurations are marked secondary: In BR2_armeb (ARM little endian), - armv4 cores (arm920t, arm922t, fa526/626, strongarm sa110/sa1100) In BR2_riscv: - all 32-bit configurations - 64-bit no-MMU In BR2_i386 (x86 32-bit), - i486, i586 and X1000 CPU There was no strict rule established to build this list of secondary configurations. This list was built mainly from the observation of which architecture/CPUs are still widely used in the field (disregarding its age), the quality of their upstream support and the general relevance in the Buildroot project. Signed-off-by: Julien Olivain <ju.o@free.fr> [Arnout: use !BR2_HIDE_SECONDARY_TARGET_OPTIONS instead of BR2_SHOW_SECONDARY_TARGET_OPTIONS] Signed-off-by: Arnout Vandecappelle <arnout@rnout.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