^
grbl-lpc/current_control.cpp:67:47: note: suggested alternative:
In file included from grbl/grbl.h:34:0,
                 from grbl-lpc/current_control.cpp:24:
/usr/include/newlib/math.h:282:15: note:   'round'
 extern double round _PARAMS((double));
               ^
Makefile:139: recipe for target 'build/src/current_control.o' failed
make: *** [build/src/current_control.o] Error 1