Messages in this thread | | | Date | Wed, 16 Apr 2008 13:41:27 +0800 (CST) | Subject | Re: [Patch] UML: Fix another build error | From | WANG Cong <> |
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From: Jeff Dike <jdike@addtoit.com> Date: Mon, 14 Apr 2008 11:43:42 -0400 > On Sat, Apr 12, 2008 at 11:39:14PM +0800, WANG Cong wrote: > > > > This patch fixes the following build error. > > > > CC arch/um/drivers/mconsole_kern.o > > /home/wangcong/projects/linux-2.6/arch/um/drivers/mconsole_kern.c:337: error: redefinition of ‘mconsole_register_dev’ > > /home/wangcong/projects/linux-2.6/arch/um/include/mconsole_kern.h:47: error: previous definition of ‘mconsole_register_dev’ was here > > make[2]: *** [arch/um/drivers/mconsole_kern.o] Error 1 > > make[1]: *** [arch/um/drivers/mconsole_kern.ko] Error 2 > > make: *** [sub-make] Error 2 > > This one is fishy. For one thing, it looks like you reproduce this > with !CONFIG_MCONSOLE, but I just successfully built a > !CONFIG_MCONSOLE UML. > > Second, the arch/um/drivers/Makefile looks to me (and the build log > confirms) that mconsole_kern.c isn't compiled with !CONFIG_MCONSOLE. > > Third, you should ask yourself if there might be a deeper problem that > needs fixing if you find yourself putting #ifdef CONFIG_FOO in files > which implement FOO.
Thanks for teaching this!
I will try if it's possible to reproduce this.
Cong
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