new module 'libffcall'

[Sam Steingold]

Bruno Haible wrote:
> Sam Steingold wrote:
> > OK - I am both proposing a patch AND asking a particular person (Bruno Haible).
> OK, but please keep bug-gnulib in CC.

OK. looks like Ben's advice worked wonders, so I will try that again:
I am both proposing a patch AND asking a particular person (Bruno Haible).

the new module 'libffcall' should help the packages using libffcall 
detect it in a uniform way.
packages using libffcall include at least gnu clisp and gnu smalltalk.

2008-07-14  Sam Steingold  <address@hidden>

        New module libffcall.
        * modules/libffcall: New file.
        * m4/libffcall.m4: New file, from GNU clisp ffcall.m4.
        * MODULES.html.sh: Mention new module.

--- MODULES.html.sh.~1.262.~    2008-07-14 10:52:42.000000000 -0400
+++ MODULES.html.sh     2008-07-14 11:27:47.000364000 -0400
@@ -2963,6 +2963,7 @@ func_all_modules ()
   func_module mktempd
   func_module useless-if-before-free
   func_module vc-list-files
+  func_module libffcall
   func_end_table

   element="Misc"

files modules/libffcall & m4/libffcall.m4 are attached.

I believe that I have the fsf copyright assignment for _all_ my 
contributions to fsf-owned projects.

libffcall.m4
Description: application/m4

Description:
Foreign function call libraries.

Files:
m4/libffcall.m4

Depends-on:
havelib

configure.ac:
gl_LIBFFCALL

Makefile.am:

Include:
#if HAVE_LIBFFCALL
#  include <avcall.h>
#  include <callback.h>
#endif

Link:
$(LTLIBAVCALL) $(LTLIBCALLBACK) when linking with libtool,
$(LIBAVCALL) $(LIBCALLBACK) otherwise

License:
GPL

Maintainer:
Bruno Haible