cross-compiling strace on non-Linux build

Dmitry V. Levin ldv at
Thu Jan 12 13:37:18 UTC 2017


On Wed, Jan 11, 2017 at 10:58:26PM -0800, Alexey Neyman wrote:
> Hi,
> I've encountered a problem with cross-compiling strace - as a part of 
> crosstool-ng on MacOS [1]. While compiling ioctlsort.c, strace uses 
> CC_FOR_BUILD, so it wants to include <linux/ioctl.h> header from the 
> host - which is obviously missing on MacOS.

This is a problem since ioctlsort.c needs <linux/ioctl.h>
from the target system, not from the host system.

One probably can take necessary definitions from the target
<linux/ioctl.h> using a cross-preprocessor and use them
in ioctlsort.c instead of <linux/ioctl.h>.

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