[gambit-list] Generating standalone executables with the compiler's functions

Marc Feeley feeley at iro.umontreal.ca
Thu Nov 10 15:33:09 EST 2011

On 2011-11-10, at 2:37 PM, Per Eckerdal wrote:

> Hi,
> I'm trying to compile a scheme file that uses Gambit's compiler functions to a standalone executable. Is there any good/obvious way of doing that?
> This illustrates my problem:
> $ cat t.scm
> (write compile-file)
> $ gsc -exe t.scm
> *** WARNING -- "compile-file" is not defined,
> ***            referenced in: ("/Users/per/prog/gambit/blackhole/tmp/t.c")
> $ ./t
> #!unbound

Because you are linking with more than the base library, you need additional linking steps:

1) explicit linking (with gsc -link) with the link file ~~lib/_gambcgsc.c (this is an incremental link because this link file extends the base library)

2) explicit linking (at the C level) with the library ~~lib/libgambcgsc.a

Here's an example, tested on Mac OS X:

% ls t*
% cat t.scm
(pp compile-file)
% GAMBCLIBDIR="`gsc -e \"(display (path-expand \\\"~~lib\\\"))\"`"
% gsc -link -l "$GAMBCLIBDIR/_gambcgsc.c" t.scm
% gsc -obj t_.c t.c
% gsc -exe -ld-options "$GAMBCLIBDIR/libgambcgsc.a" t_.o t.o
% ./t
#<procedure #2 compile-file>
% ls t*
t	t.c	t.o	t.scm	t_.c	t_.o


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