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Setting CONFIG_VIDEO_DEV is no sufficient as drivers/media/Kconfig has some very convoluted logic to hide some options behind a CONFIG_MEDIA_SUPPORT_FILTER option, unless CONFIG_EXPERT is enabled. Due to this, several arch defconfigs don't have CONFIG_VIDEO_DEV enabled when doing $(call KCONFIG_ENABLE_OPT,CONFIG_VIDEO_DEV). To fix this, we enable one of the possible options that ensures CONFIG_VIDEO_DEV is enabled, and we've more or less arbitrarily chosen CONFIG_MEDIA_CAMERA_SUPPORT. Fixes: http://autobuild.buildroot.net/results/2a337d29e7870564027bcd42bd0addd228eb6a24/ We've tried to track down which kernel version introduced this exactly, but it's been introduced a while ago and step by step making it difficult to pin-point which version version exactly introduced this. But the issue has been appearing for quite some time in the autobuilders, so it's clearly not a recent issue. 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