On Tue, Aug 04, 2009 at 05:58:05PM -0700, Vincent Lefevre wrote: > On 2009-08-04 15:44:05 -0700, Joe Buck wrote: > > But AFAIK neither Posix nor the C89 standard nor the C99 standard > > say anything about -D and -U flags. It's the Single UNIX specification > > that is the issue, and it refers to a command that is spelled "c89", > > or (in later versions) "c99", not "gcc". > > c99 with the mentioned -D and -U flags is specified by: > > The Open Group Base Specifications Issue 7 > IEEE Std 1003.1-2008 > > That's POSIX.1-2008.
OK, clearly I am out of date; the unix specification used to be distinct from Posix.
