Import('RTT_ROOT') Import('rtconfig') from building import * cwd = GetCurrentDir() src = Glob('*.c') CPPPATH = [cwd] #remove other no use files #SrcRemove(src, '*.c') # You can select chips from the list above CPPDEFINES = ['SAMD51xxx'] group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES) Return('group')