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Re: [PATCH] Fix PR target/16304: AIX 4.x forward reference proble


>>>>> Mark Mitchell writes:

>> The one difference is that AIX is not free software.

Mark> I'm not sure how that's relevant.

	I believe that John's distinction is that one can backport
Binutils or upgrade GNU/Linux for free, except for personal effort.  That
is true, except a Linux distributor may not support such a configuration.

>> For some reason, I spent the past couple of days trying to work
>> through various bugs on the vax.  I believe that I now have a set
>> of patches that will allow a full bootstrap except for the Ada
>> runtime on the 3.3 and 3.4 branches.  Thus, it's possible to keep
>> old systems going if there's a will.

Mark> Defintely true.  And I agree with your point that there's a balance 
Mark> between the cost of any particular port and the benefits it provides. 
Mark> In the particular case of AIX 4.3, I really don't know enough to comment 
Mark> about that.

	VAX is hardware.  Is the hardware running original BSD 4.3/4.4 or
a recent release of NetBSD or BSD with new Binutils?  AIX 5.1 runs on old
IBM POWER architecture and AIX 5.2 runs on all IBM PowerPC systems.  GCC
can support old IBM RS/6000 hardware; the OS dependencies are the
complication.

	I want GCC to build and run on AIX 4.3.  My concern is about the
impact on GCC for AIX 5.2 and 5.3, not because that is what IBM sells and
supports, but because those are the OS releases that most new and
upgrading GCC 3.4 and 4.0 users on AIX will have.

David


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