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Commit03fa36df7e(package/avrdude: Switch to upstream) unconditionally enabled linuxspi on the assumption that it is available since linux-2.6.22. However, avrdude unconditionally uses GPIO and includes linux/gpio.h, which is only available since kernel 4.6 and:3c702e9987Add a Kconfig option, enabled by default for backward compatibility, to drive whether to enable or disable SPI support. Fixes: - http://autobuild.buildroot.org/results/962a7fcff1e54a0550eafa0cbca780ba8bc8409e Note: weirdly enough, GPIO support does not use linux/gpio.h; rather it uses sysfs. Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> [yann.morin.1998@free.fr: add a Kconfig option] Signed-off-by: Yann E. MORIN <yann.morin.1998@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 Freenode IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches