Re: drivers/gpu/drm/radeon/radeon_test.c:45: undefined reference to
From: Dave Hylands <hidden>
Date: 2009-12-19 09:13:22
Also in:
lkml
From: Dave Hylands <hidden>
Date: 2009-12-19 09:13:22
Also in:
lkml
Hi Jim, On Fri, Dec 18, 2009 at 12:54 PM, Mr. James W. Laferriere [off-list ref] wrote:
Hello Benjamin , I am not having a good time compiling 2.6.32.1 . First RCU 'inline' difficulties then fusion-mpt 'inline' difficulty , Now this . This one is not a simple as removing 'inline' from a statement . Would you please look into this ? Anything else you need please just ask . Please cc: me as I am not subscribed to linux-fbdev . Tia , JimL
...snip...
drivers/built-in.o(.text+0x11345a): In function `radeon_test_moves': drivers/gpu/drm/radeon/radeon_test.c:45: undefined reference to `__udivdi3' make: *** [.tmp_vmlinux1] Error 1
__udivdi3 is a gcc helper function used to do 64-bit division. This form of 64-bit division is not supported from within the kernel (which is why you get the undefined symbol). There is <asm/div64.h> which contains a macro called do_div which can perform a 64-bit dvision by a 32-bit divisor. -- Dave Hylands Shuswap, BC, Canada http://www.DaveHylands.com/