Toolchain Update for 4.9.1?
joel.sherrill at OARcorp.com
Tue Dec 2 17:20:44 UTC 2008
Ralf Corsepius wrote:
> On Tue, 2008-12-02 at 10:45 +0100, Sebastian Huber wrote:
>> there are two bugs in the current binutils of 4.9 that are can be solved
>> with an upgrade (the current 4.10 version for example):
>> The first bug may cause great headaches if you work with hand written
>> linker command and assembler files.
>> A segmentation fault in a common PowerPC linker situation is also not
>> very desirable.
> Well, I am not sure if I understand correctly.
> Is this a request to upgrade binutils to binutils-2.19 for all targets
> or a request to upgrade the powerpc-binutils?
> The former is unlikely to happen, and if only after extensive testing.
> The latter might worth consideration, should there be agreement on this
> by all active powerpc-rtems4.9 users.
> Joel, do you recall any major binutils-2.18/binutils-2.19
> incompatibilities rsp. have they been backported to rtems-4.9?
> IIRC, there had been some, but the details have escaped me.
I honestly don't remember any. If there were any issues, they
probably were with pre-release snapshots.
I recall doing gcc testing with pre-2.19 snapshots and not
having any trouble.
Would it be possible to spin them and place them in 4.9-testing?
Then let me do a full build sweep of all BSPs on england.
>> The GCCs for version 4.9 and 4.10 have currently the same basis (4.3.2)
>> and differ only in the patch files. The current 4.10 patch contains a
>> fix for the relocation data problem in the PowerPC multilibs:
>> It would be nice if the 4.9 GCC can include this fix too.
> Applying this patch would change the ABI of the powerpc toolchain.
> I.e. unless we agree upon making an exception to our release policies
> ("No API nor ABI changes"), there is hardly any possibility to make this
> change happen.
> Powerpc users, please speak up !!!!
I don't remember there being any issues at all moving from
4.9 tools to 4.10. Before the recent newlib changes I would
sometimes build the head with 4.9 tools and the 4.9 branch
with 4.10 tools. psim and sis are the main BSPs I test on.
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Joel Sherrill, Ph.D. Director of Research & Development
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