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Re: [avr-gcc-list] binutils patch and versions of toolchain

From: Georg-Johann Lay
Subject: Re: [avr-gcc-list] binutils patch and versions of toolchain
Date: Thu, 28 Feb 2013 17:05:06 +0100
User-agent: Thunderbird (X11/20100302)

Massimiliano Cialdi wrote:

> I want to upgrade my toolchain.
> In the past I compiled binutils 2.20.1 patched with
> http://www.freebsd.org/cgi/cvsweb.cgi/ports/devel/avr-binutils/files/patch-newdevices
> as explained here:
> http://www.nongnu.org/avr-libc/user-manual/install_tools.html
> these patches are 14 months old and are still forversion 2.20.1.
> I downloaded binutils 2.23.1. I have found that many patches are already
> in the source, while other are not, such as, for example, size.c or
> coff-avr.c.
> I wonder which of these patches to apply.
> What do you think of a toolchain consists of gcc 4.7.2, binutils 2.23.1,
> avr-libc 1.8.0? There are known issue like buggy generated code or
> increase of code size?

You can start reading the 4.7 release notes, in particular the AVR-specific
caveats.  For example you want to use an AVR-LibC version that implements 

4.7 has at least one wrong-code bug, namely PR56442.


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