This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Feature request - a macro defined for GCC
On 2008-07-02 10:10:32 -0400, Jack Lloyd wrote:
> Not really, it just doesn't understand it needs to treat an empty
> file as C... instead you have to tell it so with -x c
But is there any reason why cpp assumes C as a fallback, but not gcc
(at least with the -E option)? IMHO, this is a bit inconsistent, in
particular if cpp is seen as a synonym for "gcc -E".
vin% cpp -dM /dev/null | md5sum
d7760eedc87eba1427f096989c3e2a49 -
vin% cpp -xc -dM /dev/null | md5sum
d7760eedc87eba1427f096989c3e2a49 -
vin% cpp -xc++ -dM /dev/null | md5sum
0ce80933d788e730beec1886af757d44 -
vin% gcc -E -dM /dev/null | md5sum
gcc.real: /dev/null: linker input file unused because linking not done
d41d8cd98f00b204e9800998ecf8427e -
vin% gcc -E -xc -dM /dev/null | md5sum
d7760eedc87eba1427f096989c3e2a49 -
vin% gcc -E -xc++ -dM /dev/null | md5sum
0ce80933d788e730beec1886af757d44 -
--
Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)