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If BR2_PER_PACKAGE_DIRECTORIES is enabled and Buildroot is using HOST_MAKE for a Kconfig package. The $(1)_KCONFIG_RULES does not work correctly, and kconfig-package-regen-dot-config will always run the 'oldconfig' target. This is because $(1)_KCONFIG_RULES expands before the first recipe line of .stamp_dotconfig. $(1)_KCONFIG_RULES attempts to call $(HOST_MAKE), which requires that the per-package/<pkg>/host directory has been setup. But that directory is not setup until a later recipe line. This results in $(1)_KCONFIG_RULES silently failing, and so always configuring with 'oldconfig'. Fix the issue by calling the command as part of the recipe, so $(HOST_MAKE) will be ready in time. As the comment on $(1)_KCONFIG_RULES describes, we should not use backticks. Use an intermediary file to store the output of the command, so that backticks are not needed. Signed-off-by: Brandon Maier <brandon.maier@collins.com> Signed-off-by: Arnout Vandecappelle <arnout@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 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