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If the swupdate configuration contains CONFIG_UBOOT=y it uses libubootenv to access the U-Boot environment. We don't have Buildroot config options for all the different optional dependencies of swupdate, instead we rely on the user to select the appropriate packages and simply add the dependency in the .mk file. Do this for libubootenv as well. swupdate doesn't have anything like HAVE_LIBUBOOTENV, it just assumes libubootenv is available. Fixes: bootloader/uboot.c:23:10: fatal error: libuboot.h: No such file or directory 23 | #include <libuboot.h> Note that libubootenv is normally built before swupdate (alphabetical ordering), so the error only occrus with BR2_PER_PACKAGE_DIRECTORIES or when building swupdate directly. Note that the autobuilders don't have this error, because they only build swupdate with a default configuration that doesn't have U-Boot support. Signed-off-by: Michael Nosthoff <buildroot@heine.tech> 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