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Re: [patch #6416] AmigaOS4 support in libtool

From: Henning Nielsen Lund
Subject: Re: [patch #6416] AmigaOS4 support in libtool
Date: Tue, 11 Mar 2008 23:23:08 +0100 (CET)
User-agent: SquirrelMail/1.4.13

> Hello Henning,

Hello Ralf,

> * Henning Nielsen Lund wrote on Fri, Feb 15, 2008 at 07:05:05PM CET:
>> > * Henning Nielsen Lund wrote on Sun, Feb 10, 2008 at 07:16:17PM CET:
>> >>
>> >> Since July 2007 AmigaOS4 officially supports .so libraries. It would
>> be
>> >> nice if it would be possible to add support for it in Libtool. The
>> >> attached patch does make it working.
>> >
>> > Thanks a lot for the patch.  Apart from minor version skew-induced
>> > hunks, it looks good to me.  Could you be bothered to run the
>> testsuite
> [...]
>> Sorry for the delay, but here is my result, using a crosscompilation
>> suite
>> on cygwin. The test was running on libtool-2.1b with my changes - patch
>> #6416
>> It will be more difficult to make the test native, as we do not have a
>> new
>> enough version of automake/autoconf running on AmigaOS4. But I will do
>> mine to test it this weekend.
> It's fine if you do cross compilation testing.
> What I'd like to know though before applying the patch: are there
> systems other than m68k and powerpc on which AmigaOS runs?

No, it is only m68k and PowerPC.

> Do we have to maintain backward compatibility to AmigaOS versions earlier
> than the one that supports shared libraries?

ppc-amigaos (AmigaOS4) is supporting shared libraries. The update that
enabled shared libraries is an official update, that is "free" for people
owning AmigaOS4.

> And then, you remove this comment:
>> -      # Samuel A. Falvo II <address@hidden> reports
>> -      # that the semantics of dynamic libraries on AmigaOS, at least up
>> -      # to version 4, is to share data among multiple programs linked
>> -      # with the same dynamic library.  Since this doesn't match the
>> -      # behavior of shared libraries on other platforms, we can't use
>> -      # them.
> Is this issue now fixed?

Some people are still using it, but I do hornestly do not know how many
people is using it (and why it was removed from libtool). It does not
matter much for me, as I am only an AmigaOS4 user and there is not that
much work done on classic (m68k) AmigaOS anymore.

> Thanks,
> Ralf

best regards,
hnl_dk - Henning Nielsen Lund

µA1-C (IBM PowerPC 750 FX V2.2 @ 800MHz), 256MB RAM, NEC ND-3500A DVD/CD
RW, Samsung SP1604N 160GB PATA Harddisk drive, Acer AL1721 17" TFT,
modified Tyan M2042 1->3 PCI Riser...

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