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Re: Same mipsel binary für 2.4 and 2.6 kernel possible?

To: Klatt Uwe <>
Subject: Re: Same mipsel binary für 2.4 and 2.6 kernel possible?
From: "Kevin D. Kissell" <>
Date: Fri, 19 Sep 2008 15:28:41 +0200
Cc: "''" <>
In-reply-to: <>
Original-recipient: rfc822;
References: <>
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When you say "float math isn't working", what do you mean? When you say that the new binary only works with the 2.6 kernel, what do you mean? Are you getting bad answers, or is the program crashing? If it's crashing, and you run it under gdb, where is it blowing up, and why? Are you able to re-create the "old" binary? If you do a static link of the program using the old tools,
does the resulting binary work better under 2.6?

The FPU emulator has bad some minor cleanup over the past few years, but it's been pretty stable, and I can't recall having seen any serious functional or compatibility problems in a long time. I think it's more likely that you've got a problem with libraries and/or build procedures
for the application.


         Kevin K.

Klatt Uwe wrote:

I have a custom hardware (AU1100) with kernel 2.4 and an working binary using 
floats (compiled with gcc 3.3.5).
Now I am testing with kernel 2.6.

When I use the old binary, float math isn't working anymore.
I have to recompile the source with new gcc 4.1.2 but then the new binary is 
working only on kernel 2.6.

Can somebody give me some hints, how to chage settings for kernel 2.6 creation 
or compiler settings to generate an universal binary.


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