Hi. It seems v4l/Makefile from media_build does: ========== ifeq ($(wildcard ../linux/include/linux/videodev2.h),) # No kernel source! User needs to download one def: @echo 'No kernel files. You need to run "make download untar" or "make dir DIR=<your_git_source_dir>" first!' exit 1 endif ========== However, videodev2.h is located in: ../linux/include/uapi/linux/videodev2.h Maybe find would be a better choice for that check? -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html