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Re: Missing include/asm-mips/reg.h ?

Subject: Re: Missing include/asm-mips/reg.h ?
From: Thomas Petazzoni <>
Date: Wed, 8 Sep 2004 09:04:48 +0200
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Original-recipient: rfc822;
References: <>
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On Tue, Sep 07, 2004 at 06:49:03PM +0200, Thomas Petazzoni wrote :
> While trying to compile uClibc, I get an error concerning Linux kernel
> headers. The file include/asm-mips/user.h includes the file asm/reg.h,
> but the file include/asm-mips/reg.h doesn't exist. So the EF_SIZE symbol
> required by the definition of the user structure is not declared.
> I checked the linux-mips CVS but couldn't find this file.

I exchanged a couple of mails with Thiemo Seufer who tried to help solve
this problem. It appears that include/asm-mips/reg.h is automatically
generated at compile time, by the arch/mips/Makefile (prepare target).
(I use a 2.6.x kernel).

In fact, I'm trying to generate a cross-compilation chain for MIPS
(using Dan Kegel's crosstools). So, I need the kernel headers, but I'm
not able to compile the kernel since I'm generating the cross-compiler

When I try to generate the 'prepare' target in the main directory of
the kernel source tree, it starts compiling files in scripts/ using the
MIPS compiler (which isn't available at this time).

How can I generate this include/asm-mips/reg.h file (and possibly other
automatically generated includes) without starting kernel compilation ?
Of course, I provide a .config file to the kernel.


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