* Re: Build-failure with old files in build-directory (Was: Linux 3.9 released)
[not found] ` <20130429083649.GA23540@citd.de>
@ 2013-04-30 4:24 ` H. Peter Anvin
2013-05-03 16:47 ` H. Peter Anvin
1 sibling, 0 replies; 2+ messages in thread
From: H. Peter Anvin @ 2013-04-30 4:24 UTC (permalink / raw)
To: Matthias Schniedermeyer, Michal Marek
Cc: Linux Kernel Mailing List, Linus Torvalds, linux-kbuild
On 04/29/2013 01:36 AM, Matthias Schniedermeyer wrote:
> On 28.04.2013 17:56, Linus Torvalds wrote:
>
> I'm not sure if it is supported, but building with a O= -directory that
> was previously used to build a 3.8.9-kernel that was "clean"ed (but not
> "mrproper"ed) before building 3.9 results in a build-failure:
> make[2]: *** No rule to make target `/xssd/usr_src/ko/leeloo/include/config/hz.h', needed by `kernel/hz.bc'. Stop.
>
> After deleting everything in the KBUILD_OUTPUT-directory, except the
> .config-file, the kernel-build worked again.
>
> At least in the past a "clean" seamed to be enough. I had a file with a
> 2.6.39-name inside, so it seams i have build my kernels this way for the
> last few releases.
>
This is a question for the Kbuild people I believe...
-hpa
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: Build-failure with old files in build-directory (Was: Linux 3.9 released)
[not found] ` <20130429083649.GA23540@citd.de>
2013-04-30 4:24 ` Build-failure with old files in build-directory (Was: Linux 3.9 released) H. Peter Anvin
@ 2013-05-03 16:47 ` H. Peter Anvin
1 sibling, 0 replies; 2+ messages in thread
From: H. Peter Anvin @ 2013-05-03 16:47 UTC (permalink / raw)
To: Matthias Schniedermeyer
Cc: Linux Kernel Mailing List, Linus Torvalds, linux-kbuild
On 04/29/2013 01:36 AM, Matthias Schniedermeyer wrote:
> On 28.04.2013 17:56, Linus Torvalds wrote:
>
> I'm not sure if it is supported, but building with a O= -directory that
> was previously used to build a 3.8.9-kernel that was "clean"ed (but not
> "mrproper"ed) before building 3.9 results in a build-failure:
> make[2]: *** No rule to make target `/xssd/usr_src/ko/leeloo/include/config/hz.h', needed by `kernel/hz.bc'. Stop.
>
> After deleting everything in the KBUILD_OUTPUT-directory, except the
> .config-file, the kernel-build worked again.
>
> At least in the past a "clean" seamed to be enough. I had a file with a
> 2.6.39-name inside, so it seams i have build my kernels this way for the
> last few releases.
>
This seems to be the fundamental problem here... include/config is used
to track dependencies on configuration, but it looks like there are
events that seem to delete include/config without them being regenerated?
-hpa
^ permalink raw reply [flat|nested] 2+ messages in thread