Big include file move breaks user mode

Kumar Gala galak at kernel.crashing.org
Wed Aug 6 02:13:56 EST 2008


On Aug 5, 2008, at 11:09 AM, Sean MacLennan wrote:

> Almost all of the includes in include/asm-powerpc where moved to
> arch/powerpc/include/asm. This is breaking almost all of my user mode
> code... so I assume I am doing something very wrong.
>
> Here is a simple program that flushes stdout for no apparent reason ;)
>
> #include <stdio.h>
> #include <sys/ioctl.h>
>
> int main(int argc, char *argv[])
> {
> 	ioctl(1, TCFLSH, 1);
> 	return 0;
> }
>
> This builds and runs fine under x86 and ppc before the include file
> move. After the move, the compile fails because gcc can't find
> asm/ioctls.h which is needed by /usr/include/bits/ioctls.h (let's
> ignore the cross-compile path for now).
>
> The other big one I am hitting is that /usr/include/bits/errno.h
> includes linux/errno.h which includes asm/errno.h which no longer
> exists.
>
> Anybody know how to fix this? I am using the DENX 4.1 toolchain if  
> that
> helps. Also, if there is a better place to post this, let me know. I
> posted here since it only affects powerpc cross compiles... x86 still
> has all the includes in "the right place".
>
> Should include/asm be a link to arch/powerpc/include/asm?

Are you using the headers_install option?  or just point to a kernel  
tree.

- k




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