Re: supporting older compilers

Hi Sam,

> lispbibl mentions
> "gcc-2.8.1 on hppa and egcs-1.0.3a on i386..."
> "gcc-2.7.2 has a bug..."
> 
> What is the minimal compiler version CLISP supports?

Usually I'd say 2.95.2 is the theoretical minimum. There are still
a couple of machines around with only a gcc 3.3 or 3.4.6.

A few groups (Haiku, OS/2 porters) used to stick with old compilers for a
lnng time.
- On Haiku, gcc 2.95.3 is the default, but people can also use a gcc-5.4 port [1].
- On OS/2, there is a gcc 7.2 meanwhile. [2]

These mentions of old compilers in lispbibl.d don't really cost many
lines of code. But it seems safe to remove support for versions < 2.95.2.

Bruno

[1] https://lists.gnu.org/archive/html/bug-gnulib/2017-08/msg00177.html
[2] http://os2ports.smedley.id.au/index.php?page=copy-of-gcc-v6.x


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