Compiling rtapi/sim_rtapi_app.cc
In file included from rtapi/rtapi.h:214:0,
                 from rtapi/sim_rtapi_app.cc:40:
rtapi/rtapi_bitops.h:297:2: error: #error The header file <asm/bitops.h> is not usable and rtapi does not yet have support for your CPU
In file included from rtapi/sim_rtapi_app.cc:40:0:
rtapi/rtapi.h: In function ‘void rtapi_mutex_give(long unsigned int*)’:
rtapi/rtapi.h:231:29: error: ‘test_and_clear_bit’ was not declared in this scope
rtapi/rtapi.h: In function ‘int rtapi_mutex_try(long unsigned int*)’:
rtapi/rtapi.h:243:34: error: ‘test_and_set_bit’ was not declared in this scope
rtapi/rtapi.h: In function ‘void rtapi_mutex_get(long unsigned int*)’:
rtapi/rtapi.h:252:34: error: ‘test_and_set_bit’ was not declared in this scope
make: *** [objects/rtapi/sim_rtapi_app.o] Error 1
make: Leaving directory `/home/debian/linuxcnc-dev/src'