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Re: [avr-gcc-list] binutils patch and versions of toolchain
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From: |
Georg-Johann Lay |
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Subject: |
Re: [avr-gcc-list] binutils patch and versions of toolchain |
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Date: |
Thu, 28 Feb 2013 17:05:06 +0100 |
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User-agent: |
Thunderbird 2.0.0.24 (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
#35407.
4.7 has at least one wrong-code bug, namely PR56442.
Johann