[PATCH] arm, provide ftruncate() and truncate() stubs.

[Marcus Shawcroft]

This one might be a tad contraversial...

We have a customer providing his own libgloss. His libgloss provides a 
sane ftruncate(). The vanilla ARM libgloss does not provide an 
ftruncate() implementation hence when libgfortran is configured, 
autoconf does not detect ftruncate() and configures in a call to emit a 
run time diagnostic instead of calling ftruncate().

The intention here is to provide an ftruncate stub to ensure that 
libgfortran configury configures in the ftruncate call. The stub always 
returns failure because we have no mechanism to implement a sane 
ftruncate over the AngelAPI.

OK?

Cheers
/Marcus

libgloss

	* arm/ftruncate.c: New.
	* arm/truncate.c: New.
	* arm/Makefile.in (RDPMON_OBJS): Add ftruncate.o and truncate.o.
	(rdimon-ftruncate.o, rdimon-truncate.o): New rule:

newlib

	* libc/include/sys/unistd.h (ftruncate, truncate): Define
	for __arm__.
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