Re: Build breakage ...

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On Sun, Nov 26, 2006 at 03:12:54PM -0800, Linus Torvalds wrote:
> 
> 
> On Sun, 26 Nov 2006, Linus Torvalds wrote:
> > 
> > Does the obvious fix (to include <linux/kernel.h> in irqflags.h) fix it 
> > for you?
> 
> Btw, Alexey, why did you do _both a BUILD_BUG_ON and a "typecheck()"?
> 
> If there are any broken users, we shouldn't break the build, but a 
> _warning_ is certainly appropriate.
> 
> I think I'll just commit this..
> 
> Ralf, Russell, does this work for you guys?

Not at all.  It creates even more problems for me, with this circular
dependency:

  linux/bitops.h -> asm-arm/bitops.h -> asm-arm/system.h
   -> linux/irqflags.h -> linux/kernel.h -> linux/bitops.h

We really need, as a priority, to sort out these include files ASAP,
and stop bunging random stuff into unrelated random headers.  Shouldn't
stuff like roundup_pow_of_two() and long_log2() live somewhere else
other than such a generic run-of-the-mill include such as linux/kernel.h ?

  CHK     include/linux/version.h
make[2]: `include/asm-arm/mach-types.h' is up to date.
  Using /home/rmk/git/linux-2.6-rmk as source for kernel
  GEN     /home/rmk/git/build/assabet/Makefile
  CHK     include/linux/utsrelease.h
  CC      arch/arm/kernel/asm-offsets.s
In file included from /home/rmk/git/linux-2.6-rmk/include/linux/irqflags.h:14,
                 from include2/asm/system.h:214,
                 from include2/asm/bitops.h:23,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/bitops.h:9,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/thread_info.h:20,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/preempt.h:9,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/spinlock.h:49,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/capability.h:45,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/sched.h:46,
                 from /home/rmk/git/linux-2.6-rmk/arch/arm/kernel/asm-offsets.c:13:
/home/rmk/git/linux-2.6-rmk/include/linux/kernel.h: In function `roundup_pow_of_two':
/home/rmk/git/linux-2.6-rmk/include/linux/kernel.h:169: warning: implicit declaration of function `fls_long'
In file included from /home/rmk/git/linux-2.6-rmk/include/linux/thread_info.h:20,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/preempt.h:9,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/spinlock.h:49,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/capability.h:45,
                 from /home/rmk/git/linux-2.6-rmk/include/linux/sched.h:46,
                 from /home/rmk/git/linux-2.6-rmk/arch/arm/kernel/asm-offsets.c:13:
/home/rmk/git/linux-2.6-rmk/include/linux/bitops.h: At top level:
/home/rmk/git/linux-2.6-rmk/include/linux/bitops.h:57: error: conflicting types for 'fls_long'
/home/rmk/git/linux-2.6-rmk/include/linux/kernel.h:169: error: previous implicit declaration of 'fls_long' was here
make[2]: *** [arch/arm/kernel/asm-offsets.s] Error 1
make[1]: *** [prepare0] Error 2
make: *** [_all] Error 2

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:
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