Compiling units with gp (was: ncurses)

[Frank Heckenbach]

Adriaan van Os wrote:

> The included patch adds --compile-and-link to gp. I hope it's
> acceptable. It nicely creates a dynamic library on Mac OS X from a unit  
> (while passing some extra needed options of course). Even better, the  
> problem that I encountered this morning while trying this with gpc (.o  
> files of compiled units weren't linked in) doesn't occur with gp !

Looks alright. Though you might want to add a note in the
documentation that linking will usually fail, unless the module/unit
or something it uses provides a `main' function, or you're creating
a dynamic library which requires additional options.

> Waldek Hebisch wrote:
> >> As far as I know, the opposite switch is not available, namely to
> >> compile *and link* a unit. This is useful when compiling a unit into a
> >> shared library, while still using the specs file instead of a separate
> >> ld run (which could be less compatible).
> >>
> >
> > Why do not you link shared library as a program (using `-fgpc-main='
> > option)?  At first glance this should avoid most problems with
> > shared libraries.
> 
> At first sight, that looks somewhat strange (conceptually), because a  
> library is a collection of routines, like a unit, not a program. Still,  
> I will experiment with it, thanks for the hint.

I also wonder if you (Waldek) misunderstood this option. It does not
tell gp to compile and link. Instead it changes the linker name of
the main program. I don't think it's applicable here.

Frank

-- 
Frank Heckenbach, frank at g-n-u.de, http://fjf.gnu.de/, 7977168E
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