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Date: Thu, 21 Aug 2008 18:43:56 -0700
From: Brian Dessent <brian AT dessent DOT net>
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Subject: Re: Building kernel modules
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Bosko Radivojevic wrote:

> /usr/include/linux/types.h:21: error: conflicting types for '_types_fd_set'
> /usr/include/sys/types.h:235: error: previous declaration of
> '_types_fd_set' was here

Okay, that's truly and hideously broken.  You should have no
/usr/include/linux at all.  This is not Linux.  Linux headers are target
headers, not host headers.  /usr/include is for host headers only.  The
appropriate place for target headers is $tooldir/include (or perhaps
$tooldir/sys-include), where $tooldir is
$exec_prefix/$target_noncanonical of the toolchain (i.e. it depends on
how the cross toolchain was configured.)  Unless of course the toolchain
was built with a sysroot, in which case they go in simply
$sysroot/include, since the whole point of a sysroot is to mirror the
directory structure of the target.

Brian

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