Support Sun as visibility syntax

[Rainer Orth]

Eric Botcazou <ebotcazou@adacore.com> writes:

>> Why?  tm_defines is heavily used, even for Solaris 2 targets, and I find
>> this easier to understand and use than a flurry of single-line header
>> files.
>
> Because you need to pass options on the command line instead of just including 
> the tm.h header file in order to have the proper configuration.

And why would this matter?  You're using make for the build anyway, and
everything happens automagically.  If you can convince the build
maintainers that tm_defines is a bad idea, see that it is removed
wholesale, otherwise I'd like to use it in cases like this.

Thanks.
	Rainer

-- 
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University