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SubjectRe: some kernel headers broken in current git ?
Gabriel C wrote:
> Hi,
>
> usually I'll wait for rc1 and test compile external module to see which are broken and what need fixing
> but while I need virtualbox for some tests I test compile it on current git and it failed badly.
>
> Maybe something is missing from x86 merge ?
>
> Here is what I get :
>
> ...
>
> /linux/memobj-r0drv-linux.c
> In file included from /lib/modules/2.6.23-g4fa4d23f-dirty/build/include/asm/atomic_32.h:265,
> from /lib/modules/2.6.23-g4fa4d23f-dirty/build/include/asm/atomic.h:2,
> from /lib/modules/2.6.23-g4fa4d23f-dirty/build/include/asm/spinlock_32.h:4,
> from /lib/modules/2.6.23-g4fa4d23f-dirty/build/include/asm/spinlock.h:2,
> from /lib/modules/2.6.23-g4fa4d23f-dirty/build/include/linux/spinlock.h:87,
> from /work/crazy/VBox/stable/virtualbox/src/VirtualBox-1.5.2_OSE/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h:53,
> from /work/crazy/VBox/stable/virtualbox/src/VirtualBox-1.5.2_OSE/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c:22:
> /lib/modules/2.6.23-g4fa4d23f-dirty/build/include/asm-generic/atomic.h:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'atomic_long_t'

I have been unable to make heads or tails of the maze of twisty
dependencies that VirtualBox wants, but the fact that it gets to line 23
of <asm-generic/atomic.h> means it has gotten past:

21 #if BITS_PER_LONG == 64
22
23 typedef atomic64_t atomic_long_t;

BITS_PER_LONG was originally set in <asm/types.h>:

39 #ifdef CONFIG_X86_32
40 # define BITS_PER_LONG 32
41 #else
42 # define BITS_PER_LONG 64
43 #endif

The most obvious reason for failure is that the symbol CONFIG_X86_32
isn't being defined where expected. From that point on everything goes
to hell.

Have you done "make oldconfig && make prepare" in your kernel tree since
you last updated it?

-hpa

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