On Mon, Jan 26, 2009 at 02:37:28PM +0100, Dan Horák wrote: > There is no plan for 31-bit Fedora on s390 AFAIK, and regarding 64-bit > please take a look at https://bugzilla.redhat.com/show_bug.cgi?id=463830 If we are to use -march=z9-109 -mtune=z10 instead of -march=z900 -mtune=z10 for s390 -m31 and -m64, then releng is important. Aren't the current mainframes used for Fedora (and RHEL) building z990? If yes, then this can't be switched until they are z9-109 or z10 based. > > we could just -mcpu=ultrasparc -mtune=ultrasparc always, given that the > > 32-bit support is being dropped. > > The general question is what should be the relation between GCC defaults > and parameters set in the rpm build macros. Certainly redhat-rpm-config macros shouldn't be weaker than what we default in gcc (say if gcc defaults to -march=i486 -mtune=generic, then redhat-rpm-config shouldn't override this to -march=i386 -mtune=generic). Jakub -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list