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Date: Wed, 5 Oct 2011 12:50:31 +0200
From: Michael Olbrich <m.olbrich@pengutronix.de>
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Subject: Re: [ptxdist] gcc versions supported by PTXDist.
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Hi,

On Wed, Oct 05, 2011 at 09:48:51AM +0000, Andrew M. wrote:
> I hope this is the correct mailing list to ask this question, it's just I 
> couldn't find the answer anywhere else. If not, please direct me to the correct 
> one.
> 
> I was wondering what versions of gcc are supported by the 2011-08.0 version of 
> PTXDist. The reason I ask is because I tried compiling nano (with the given 
> nano.make rule given with ptxdist, without modifications), and I got a 
> compilation error, regarding line 1600 in the file `files.c`:
> fnctl.h:51: error: call to '__open_missing_mode' declared with attribute error: 
> open with O_CREAT in second argument needs 3 arguments.

This is an Ubuntu Problem: https://wiki.ubuntu.com/CompilerFlags

> My compiler is gcc 4.4.3 for arm crotex a8. Also, compiling the same package 
> (nano 1.3.12) using my host's compiler (gcc 4.4.3, supplied with Ubunutu 10.4) 
> gave the same error.
> 
> Compiling a newer version of nano (2.2.3) on the host works fine.
> 
> I also noticed that the 'out-of-the-box' configuration enforces the 4.3.2 
> version of gcc for the toolchain configuration. (Under platforms/toolchain.in, 
> line 22)
> 
> My questions are:
> 1. Does ptxdist supposed to work _only_ with version 4.3.2 of gcc? (Or is it a 
> bug in the nano configuration?)
> 2. If so, is there a planned upgrade sometime?

This is just an old default that was never updated. The latest
OSELAS.Toolchain-2011.03.0 uses gcc-4.5.2 and works just fine.

> I know I can update the nano receipe and make the newer version of nano 
> compile, I'm just wondering if there is a reason that the 4.3.2 version of gcc 
> is enforced. (Maybe because other packages rely on the 4.3.2 version of gcc?)

Michael

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