On 05/24/2011 05:50 PM, Paul Eggert wrote: > +++ b/tests/test-intprops.c > @@ -16,6 +16,12 @@ > > /* Written by Paul Eggert. */ > > +/* Tell gcc not to warn about the many (X < 0) expressions that > + the overflow macros expand to. */ > +#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__ > +# pragma GCC diagnostic ignored "-Wtype-limits" > +#endif
Would it be possible instead to write forwarding macros? That is, the outer macro calls concat(name,test(params)) where test expands to either 0 or 1, at which point name##result can be used to call name0 for the unsigned case (no X < 0) or name1 for the signed case (including X < 0) checks? Otherwise, we are just disabling the warnings for this test, but the warnings will still byte us in regular code. I guess I'll try to find time to play with the idea instead. -- Eric Blake ebl...@redhat.com +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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