> On Wed, 6 Mar 2013, Jan Hubicka wrote: > > > > > > > This removes all encouragement to use -fwhole-program with -flto > > > from the documentation. As can be seen in PR56533 it can be > > > most confusing ... instead advise to rely on a linker plugin. > > > > > > Ok? > > > > Seems resomable thing to do. However I guess a lot of users are still > > have non-linker-plugin enabled setup. Perhaps we can add a sentence how > > to figure out if your setup is plugin enabled and thus working well > > w/o -fwhole-program? > > Do you know one? Apart from 'gcc -flto ... -v 2>&1 | grep -- > -fresolution'? > > ;) > > I've installed the patch for now. Hehe, that is precisely what I was thinking about too, except that I would be grepping for plugin switch :)
Perhaps we could print this info in human readable form into gcc --verbose or gcc --version or gcc --help? With --verbose it is the place we ask people to look into expansion of -march=native & friends, so it may make sense. Honza > > Richard.
