config BR2_PACKAGE_BLKTRACE bool "blktrace" depends on BR2_TOOLCHAIN_HAS_THREADS depends on BR2_USE_MMU # system() select BR2_PACKAGE_LIBAIO help blktrace is a block layer IO tracing mechanism which provides detailed information about request queue operations up to user space. http://git.kernel.dk/?p=blktrace.git;a=summary comment "blktrace needs a toolchain w/ threads" depends on BR2_USE_MMU depends on !BR2_TOOLCHAIN_HAS_THREADS