code: def getExtraSysIncludes(self):
          ''' Some components (e.g. libc) must export directories of header files
              into the system include search path. They do this by adding a
              'extraSysIncludes' : [ array of directories ] field in their
              package description. This function returns the list of directories
              (or an empty list), if it doesn't exist.
          '''
          if 'extraSysIncludes' in self.description:
              return [os.path.normpath(x) for x in self.description['extraSysIncludes']]
          else:
              return [f getExtraSysIncludes(self):
          ''' Some components (e.g. libc) must export directories of header files
              into the system include search path. They do this by adding a
              'extraSysIncludes' : [ array of directories ] field in their
              package description. This function returns the list of directories
              (or an empty list), if it doesn't exist.
          '''
          if 'extraSysIncludes' in self.description:
              return [os.path.normpath(x) for x in self.description['extraSysIncludes']]
          else:
              return []
docs: Some components (e.g. libc) must export directories of header files
              into the system include search path. They do this by adding a
              'extraSysIncludes' : [ array of directories ] field in their
              package description. This function returns the list of directories
              (or an empty list), if it doesn't exist.