Did you compile the plugin yourself?

At the beginning of sqUnixFFI.c:
...
#include "sq.h"
#include "sqFFI.h"

#ifndef NO_FFI_SUPPORT

#include <ffi.h>
...

Header <ffi.h> doesn't exist on my system.

Greetings,

Stephan


montgomery farrar tidwell wrote:
> 
> Howdy,
> 
> no. i just put SqueakFFIPrims.so in the same directory as
> the squeak executable and the FFI stuff worked.
> 
>                          \\//_
> 
> Stephan Rudlof wrote:
> >
> > Is it correct that I need a 'libffi' from cygnus in addition to the
> > SqueakFFIPrims plugin to run this code under Linux?
> >
> > >From sqUnixFFI.c:
> >
> > *   NOTES:  The Unix version of the FFI support code relies on libffi
> > from
> > *           http://sourceware.cygnus.com/libffi/
> >
> > Stephan
> >
> > Bert Freudenberg wrote:
> > >
> > > On Sun, 6 Feb 2000, Raab, Andreas wrote:
> > >
> > > > For those of you who want to play with this ...
> > >
> > > Works like a charm on Linux:
> > >
> > > "Say Hello in the console"
> > > (ExternalLibraryFunction
> > >         name: 'puts' module: nil callType: 0
> > >         returnType: ExternalType long
> > >         argumentTypes: {ExternalType string})
> > >                 invokeWith: 'Hello World!'
> > >
> > > or, the problem of getting the local hostname:
> > >
> > > | buf |
> > > buf _ ByteArray new: 256.
> > > (ExternalLibraryFunction
> > >         name: 'gethostname' module: nil callType: 0
> > >         returnType: ExternalType long
> > >         argumentTypes: {ExternalType char asPointerType.
> > >                 ExternalType long})
> > >         invokeWith: buf with: buf size.
> > > (buf copyUpTo: 0) asString
> > >
> > > This one seems to need a byte array - perhaps Strings may not be modified?
> > >
> > > > I'll put out some more information on this soon.
> > >
> > > Oh. I'll wait then ;-)
> > >
> > >   -Bert-
> >
> > --
> > Stephan Rudlof (sr at evolgo.de)
> >    "Genius doesn't work on an assembly line basis.
> >     You can't simply say, 'Today I will be brilliant.'"
> >     -- Kirk, "The Ultimate Computer", stardate 4731.3
> 
> --
> 
>                                 \\//_

-- 
Stephan Rudlof (sr at evolgo.de)
   "Genius doesn't work on an assembly line basis.
    You can't simply say, 'Today I will be brilliant.'"
    -- Kirk, "The Ultimate Computer", stardate 4731.3