On 2012-05-15 08:06:57 -0700, Ian Lance Taylor wrote: > Vincent Lefevre <vincent+gcc@xxxxxxxxxx> writes: > > Hmm, yes, these macros are actually used by MPFR. Note that these > > macros are also by Intel's compiler ICC, which tries to emulate > > some GCC features, but doesn't behave exactly like GCC. :( This > > is a problem for portable code. > > Unfortunately there is nothing GCC can do to fix that problem. If we > introduce __GNUC_THIS_IS_THE_REAL_GCC__ then other compilers will define > that as well. GCC doesn't need to fix anything. ICC also defines its own macros (but not in a consistent way), so that the user can test if they are defined (if __ICC and/or __INTEL_COMPILER are defined, this is ICC). The user just needs to know that. -- Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <http://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
