Re: AC_PROG_CC_C99 and -std=c99

[Bob Friesenhahn]

On Sun, 17 Jun 2012, 'Chris Hall' wrote:
> So, my first question is: am I mistaken in thinking that using
> -std=c99 will help, portability-wise ?

It is often expected that requesting a specific standard at 
compile-time will aid with portability.  Usually the results are the 
opposite of that because the standard requires that interfaces not 
specified by the standard are not exposed and are therefore not 
usable.  Likewise, if a system does not support the standard, the 
result is usually utter failure.  It is typical that there are 
multiple conflicting standards supported by the OS and requesting one 
breaks use of the other.

Bob
--
Bob Friesenhahn
address@hidden, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/