CHECK_INCLUDE_FILES(errno.h HAVE_ERRNO_H)
CHECK_INCLUDE_FILES(usbhid.h HAVE_USBHID_H)
CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
CHECK_INCLUDE_FILES(errno.h HAVE_ERRNO_H)
CHECK_INCLUDE_FILES(usbhid.h HAVE_USBHID_H)
CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)