On Tue, Aug 04, 2009 at 11:42:51AM -0700, Ross Smith wrote: > > On 2009-08-05, at 04:03, Joe Buck wrote: > > > > Another alternative would be an extra flag that would turn on > > conformance > > to the spec. > > Traditionally spelled -posixly-correct in other GNU software. This would > presumably also affect other options, such as making the default - > std=c99 > instead of gnu89.
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".
