Jakub Jelinek wrote:
On Sat, Jan 05, 2008 at 07:10:29AM -0800, gjohnson5 wrote:
I am using gcc-4.3.0-0.4 with glibc-2.7.90-3 (not sure if that matters) with
rawhide and I am getting this building kernel-2.6.23.12-101.fc8
drivers/video/cfbimgblt.c:129:12: warning: cast adds address space to
expression (<asn:2>)
CHK include/linux/compile.h
UPD include/linux/compile.h
init/version.c:19:5: warning: symbol 'Version_132631' was not declared.
Should it be static?
kernel/built-in.o: In function `getnstimeofday':
(.text+0x1d525): undefined reference to `__umoddi3'
kernel/built-in.o: In function `do_gettimeofday':
(.text+0x1d5ef): undefined reference to `__udivdi3'
...
See http://gcc.gnu.org/PR32044
__udivdi3/__umoddi3 are in libgcc.a and gcc relies on it libgcc being
available, but the kernel chooses to link without libgcc - for some routines
it has its own counterparts, for some it chooses not to implement them at
all and just assumes they won't be needed.
It doesn't "assume they won't be needed," the kernel is written to be
self-complete.
Think a while, what place does user-space code have in the kernel?
--
Cheers
John
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