Re: Usage of "attribute"

[Tom Tromey]

>>>>> "Torsten" == Torsten Rupp <address@hidden> writes:

Torsten> Unfortunatelly this is not portable to some non-GNU compilers (as I
Torsten> know... at least I have one C-compiler for ARM which can not handle
Torsten> this). Can we use a macro for this? E. g.
Torsten> #ifdef __GNUC__
Torsten>    #define VARIABLE_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
Torsten> #else
Torsten>    #define VARIABLE_ATTRIBUTE_UNUSED
Torsten> #endif

gtkpeer.h does this:

#ifndef __GNUC__
#define __attribute__(x) /* nothing */
#endif

Just go ahead and add this to whatever other header needs it.

Torsten> Another idea would be some construct of the form
Torsten> if ((parameter)==(parameter));

IMO it is better to use attribute.  These little tricks have a way of
breaking as compilers change.

Tom