gcc7 not compiling on PPC due to mismatch
ken.cunningham.webuse at gmail.com
Fri Mar 27 00:45:37 UTC 2020
BTW, I am happy to make a binary available for you, if you need that.
I am considering putting up an entire archive site for Tiger PPC and Intel, and Leopard PPC and Intel, but I haven’t decided whether I want to take on the issues involved.
> On Mar 26, 2020, at 5:43 PM, Ken Cunningham <ken.cunningham.webuse at gmail.com> wrote:
>> However, I am stuck on PPC! I am unable to update MacPorts on my belowed
>> PowerMac since months - libgcc7 failure.
>> Compilation fails because stage2 and stage3 do not compile.
> I will admit I do not as yet understand why this error happens sometimes.
> You will see several tickets about this in trac with minimal searching, going back over the past 2 or 3 years.
> Peter has this issue all the time on his PowerPC. I had never noticed this issue, until a recent build of gcc7 on a Tiger i386 system, when I got this too.
> I am not certain if this is due to different dwarf debug symbols, but I can remember at one point we though this might be the issue.
> I have wondered if the “compare” program was erring when doing the comparison.
> Sometimes, for no particular reason, just restarting the gcc build again, without cleaning, can work.
> There is a way to turn off the multiple-building-comparison feature, and just going straight to one bootstrap (stage1) and one final (stage2) compiler, and skip the stage3 comparison.
> I don’t think you’d be taking much of a risk doing this — gcc is well-vetted.
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