Re: -D_ANSI_C_SOURCE on AIX

[Jeffrey A Law <law at cygnus dot com>]

 In message <orvh2projv.fsf@garnize.lsd.ic.unicamp.br>you write:
  > --=-=-=
  > 
  > The following code snippet, by Geoff Keating, is valid ANSI/ISO C, 
  > however it does not compile on AIX 4.* because stdio.h includes
  > sys/limits.h that includes float.h that defines FLT_RADIX.
  > 
  > #include <stdio.h>
  > enum { FLT_RADIX = 30; }
  > int foo(void) { return FLT_RADIX; }
  > 
  > One simple way to fix this is to define _ANSI_C_SOURCE, that prevents
  > sys/limits.h from including float.h.  So I arranged for -ansi to
  > define _ANSI_C_SOURCE, just like it defines __STRICT_ANSI__ for GNU
  > libc to enable strict ANSI/ISO compliance.  There are two separate
  > patch files.  The second applies only to the newppc branch; while
  > first applies to mainline and the branch.  Ok to install?
Actually, I'd wonder if we should always define _ANSI_C_SOURCE, unless
-traditional was given.  Remember, by default GCC is an (almost) ANSI
compiler.


jeff