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With the move to default to GCC 12 in commite0091e42ee(package/gcc: switch to gcc 12.x as the default), TF-A now fails to build as a warning is generated and it builds with -Werror: CC plat/st/stm32mp1/bl2_plat_setup.c drivers/st/io/io_stm32image.c: In function ‘stm32image_partition_read’: drivers/st/io/io_stm32image.c:249:13: error: ‘result’ may be used uninitialized [-Werror=maybe-uninitialized] 249 | int result; | ^~~~~~ cc1: all warnings being treated as errors This is fixed in TF-A v2.6 with commit c1d732d0db24 (fix(io_stm32image): uninitialized variable warning), but I do not have the board to verify if v2.6 works, so instead disable -Werror by passsing E=0. Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> (cherry picked from commit1c0c67fc1a) Signed-off-by: Peter Korsgaard <peter@korsgaard.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