From: Dan Kegel <dank@kegel.com>
To: Herbert Poetzl <herbert@13thfloor.at>
Cc: linux-kernel@vger.kernel.org, Jim Wilson <wilson@specifixinc.com>,
Judith Lebzelter <judith@osdl.org>, cliff white <cliffw@osdl.org>,
"Timothy D. Witham" <wookie@osdl.org>
Subject: Re: Kernel Cross Compiling [update]
Date: Sat, 21 Feb 2004 22:02:29 -0800 [thread overview]
Message-ID: <403845F5.5030101@kegel.com> (raw)
In-Reply-To: <20040222035350.GB31813@MAIL.13thfloor.at>
Herbert Poetzl wrote:
> the GCC testsuite contains 2854 files in the relevant
> subdirs consistency.vlad, gcc.c-torture, gcc.dg, and
> gcc.misc-tests.
>
> after removing the non relevant tests (file matching
> egrep '#include|float|double') 1799 C files remain.
>
> the result of the tests and comparison[4] shows that
> both compilers produce the same code, except for one
> little difference[5], which I'm unable to explain ...
> [5] http://vserver.13thfloor.at/Stuff/Cross/Comparison/TEST-alpha.diff
> ...
> my conclusion so far is that my approach should be
> sufficient for Kernel Cross Compiling.
Perhaps, but it's harder to repeat than using my crosstool script;
you said you had to munge a bunch of header files, but with
crosstool no special munging is required. AFAIR you haven't
posted your header-munging procedure.
It's vaguely possible that your header munging was wrong, which
caused that one diff on alpha.
Say, could you compare compiling the kernel with the two
toolchains, and see if there are any differences?
- Dan
--
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next prev parent reply other threads:[~2004-02-22 6:07 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-22 3:53 Kernel Cross Compiling [update] Herbert Poetzl
2004-02-22 6:02 ` Dan Kegel [this message]
2004-02-22 15:42 ` Herbert Poetzl
2004-02-22 8:43 ` Geert Uytterhoeven
2004-02-22 9:07 ` Russell King
2004-02-22 15:09 ` Herbert Poetzl
2004-02-22 12:45 ` Dr. David Alan Gilbert
2004-02-22 15:22 ` Herbert Poetzl
2004-02-22 15:52 ` Paul Mundt
2004-02-22 17:07 ` Herbert Poetzl
2004-02-22 17:23 ` Paul Mundt
2004-02-23 13:28 ` Richard Curnow
2004-02-23 14:41 ` Herbert Poetzl
2004-02-26 13:02 ` Richard Curnow
2004-02-23 19:42 ` Jim Wilson
2004-02-23 20:32 ` Herbert Poetzl
2004-02-24 1:49 ` Dan Kegel
2004-02-24 8:53 ` Herbert Poetzl
-- strict thread matches above, loose matches on Subject: below --
2004-02-22 16:36 Arnd Bergmann
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