cpp: "argp-help.c", line 1735: warning 2013: Unknown preprocessing directive. cc: "argp-help.c", line 235: warning 604: Pointers are not assignment-compatible. cc: "argp-help.c", line 235: warning 563: Argument #1 is not the correct type. cc: "argp-help.c", line 243: warning 604: Pointers are not assignment-compatible. cc: "argp-help.c", line 243: warning 563: Argument #1 is not the correct type.