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This requires a bit of trickery on BR2_GDB_VERSION. Indeed, when the target variant of gdb is enabled, but not the host variant, the version choice is not available, and a default version is used. However, version 15.x, which is now the default, requires GCC >= 9, so we have to be careful and use GDB 15.x by default if the toolchain has GCC >= 9, or stick to GDB 14.x otherwise. Of course, that will not fly long term, as at some point we'll drop gdb 14.x, but for the time being, let's default to this older gdb release if the target compiler is too old. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Julien Olivain <ju.o@free.fr>
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