Re: libtermcap

[Thomas Dickey]

On Fri, 31 Aug 2007, Michail Vidiassov wrote:

> Dear Thomas,
>
> On Thu, 30 Aug 2007, Thomas Dickey wrote:
>
> > > in my system (Mac OS X) there is a symlink to libncurses
> > > dynamic library called libtermcap (in /usr/lib, system location).
> >
> > > If I intend to have both wide and non-wide libraries installed,
> > > I have to compile wide curses without --enable-termcap,
> > > non-wide with --enable-termcap and make that symlink, right?
> >
> > I _think_ you could make the libtermcap link to either library.
>
> Do I get it right that I can install with --enable-widec --enable-overwrite 
> --enable-termcap and make symlink libncuresew to
> libtermcap, libcurses and all other wide libraries to their non-wide names
> (and not bother with installing non-wide curses at all) ?

yes (I expect that a small fraction of packagers will do this)

> BTW, what is the reason for not making the link libcurses->libncursesw
> even if asked for with --enable-overwrite?
> Maintaining binary compatibility if _really_ overwriting system libraries?

If you overwrite shared system libraries with an incompatible ABI, you run 
the risk of breaking some applications...

--
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net