Re: 2.6.13-rc3 test: finding compile errors with make randconfig

[Adrian Bunk <bunk@stusta.de>]

On Mon, Jul 25, 2005 at 07:13:02AM +1000, Grant Coady wrote:
> On Sun, 24 Jul 2005 22:39:32 +0200, Adrian Bunk <bunk@stusta.de> wrote:
> 
> >On Mon, Jul 25, 2005 at 05:42:58AM +1000, Grant Coady wrote:
> >> On Sun, 24 Jul 2005 11:13:27 +0200, Adrian Bunk <bunk@stusta.de> wrote:
> >> >
> >> >it's generally useful, but the target kernel should be the latest -mm
> >> >kernel. 
> >> 097-error:drivers/char/drm/drm_memory.h:163: error: redefinition of `drm_ioremap_nocache'
> >> 097-error:drivers/char/drm/drm_memory.h:163: error: `drm_ioremap_nocache' previously defined here
> >> 097-error:drivers/char/drm/drm_memory.h:174: error: redefinition of `drm_ioremapfree'
> >> 097-error:drivers/char/drm/drm_memory.h:174: error: `drm_ioremapfree' previously defined here
> >
> >This requires the .config for debugging.
> Here:
>   ftp://ftp.scatter.mine.nu/develop/trial4-097-config.gz
> 
> >My first guess is that drm_memory.h requires a simple #ifdef to allow 
> >multiple inclusions.
> 
> I can tell you:
> --- linux-2.6.12.3b/drivers/char/drm/drm_memory.h.orig	2005-06-18 05:48:29.000000000 +1000
> +++ linux-2.6.12.3b/drivers/char/drm/drm_memory.h	2005-07-25 06:57:41.000000000 +1000
> @@ -33,6 +33,9 @@
>   * OTHER DEALINGS IN THE SOFTWARE.
>   */
>  
> +#ifndef DRM_MEMORY_H
> +#define DRM_MEMORY_H
> +
>  #include <linux/config.h>
>  #include <linux/highmem.h>
>  #include <linux/vmalloc.h>
> @@ -194,4 +197,5 @@
>  	iounmap(pt);
>  }
>  
> +#endif
> 
> does not fix it, though it's probably not what you had in mind, first try...

That's what I had in mind.

> Simple fix didn't...  Now I got to read the code, takes a little more 
> effort :)
>...

Looking at the .config, the problem is actually:
  CONFIG_BROKEN=y

You should edit init/Kconfig to disallow CONFIG_CLEAN_COMPILE=n, since 
any errors you see with CONFIG_BROKEN=y aren't interesting.

> Grant.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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