xlc and <sys/dir.h> brain damage

[Bill Wohler]

folks,

  the following example compiles under cc, but not under xlc.  why not?

  is this brain damage in the way dir.h or standards.h is set up?
  the meat of dir.h is only included if _POSIX_SOURCE is defined,
  which isn't defined when _ANSI_C_SOURCE is as in the case with
  xlc.

  does anyone really use xlc?

[wohler at is0002:507]% cat foo.c
#include <dirent.h>
foo()
{
        DIR *dirname = opendir("/tmp");
}
[wohler at is0002:508]% cc -c foo.c
[wohler at is0002:509]% xlc -c foo.c
        5 |         DIR *dirname = opendir("/tmp");
            ........a....b.........................
a - 1506-045: (S) Undeclared variable.
b - 1506-045: (S) Undeclared variable.

-- 
						--bw
-----
Bill Wohler <wohler at sap-ag.de> <sapwdf!wohler>
Heidelberg Red Barons Ultimate Frisbee Team