From: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
To: Blaisorblade <blaisorblade_spam@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>,
user-mode-linux devel
<user-mode-linux-devel@lists.sourceforge.net>
Subject: [uml-devel] Re: Problems in make
Date: Tue, 23 Nov 2004 16:19:13 +0100 [thread overview]
Message-ID: <41A354F1.7070907@fujitsu-siemens.com> (raw)
In-Reply-To: <200411222301.47216.blaisorblade_spam@yahoo.it>
Blaisorblade wrote:
> On Monday 22 November 2004 19:59, Bodo Stroesser wrote:
>
>>If arch/um/kernel/tt/include/mode-tt.h is changed, make doesn't compile
>>tracer.c, the resulting kernel is inconsistent and crashes!
>
>
> This is true for any dependency of files listed in USER_OBJS, which is broken.
> This problem is known and is pending fixing (and fixing requires designing a
> clean and Kbuild-supported replacement of USER_OBJS). I fixed it some time
> ago, around 2.6.1, but the fix was not integrated because it was too
> invasive.
>
> So: use always make clean ARCH=um before rebuilding (this even holds for
> dependencies on CONFIG_*).
>
> If that slows you down too much, then install ccache (I'm not explaining it
> here because there is nothing special on ccache with kernel compilation and
> because there is plenty of tutorials onto the net).
>
> Bye
As a quick solution to guarantee a correct result of the build, would it be
possible to remove all USER_OBJS, when starting to build? Or, if this isn't
enough, even remove all objects in the arch/um subtree?
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next prev parent reply other threads:[~2004-11-23 15:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-22 18:59 [uml-devel] Problems in make Bodo Stroesser
2004-11-22 22:01 ` [uml-devel] " Blaisorblade
2004-11-23 15:19 ` Bodo Stroesser [this message]
2004-11-23 18:04 ` Blaisorblade
2004-11-24 12:06 ` Bodo Stroesser
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