Messages in this thread | | | Date | Mon, 24 Nov 2008 15:42:36 +0100 | From | Markus Trippelsdorf <> | Subject | Re: 2.6.28-rc6-tip fails to build with gcc 4.4.0 |
| |
On Mon, Nov 24, 2008 at 04:28:13PM +0200, Török Edwin wrote: > Hi, > > Using gcc version 4.4.0 20081120 (experimental) [trunk revision 142055] > I can't build latest tip/master (commit > b27fef5b222564b6e7ae71f7110c233b2fb45a38) > > drivers/built-in.o: In function `sd_revalidate_disk': > sd.c:(.text+0x8bc76): undefined reference to `____ilog2_NaN' > make: *** [.tmp_vmlinux1] Error 1 > > Apparently gcc determines that sector_size can have an invalid constant > value as ilog2's parameter in sd_read_capacity.
> Did it find a real bug in sd.c, or is it a gcc bug?
See: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36359
Setting CONFIG_CC_OPTIMIZE_FOR_SIZE=y in your .config should fix it for now.
-- Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |