Re: foreign resources
Jan Wielemaker <[email protected]>
| Newsgroups | gmane.comp.ai.prolog.swi |
|---|---|
| Message-ID | <[email protected]> |
On 02/26/2014 01:56 PM, Olivier Sallou wrote:
> Hi,
> I am trying to mix C++ and prolog (Prolog calling C++) with foreign
> resources but I have compilation issues, though following the documentation.
> I tried to use the PREDICATE macro, but it sems to fail. Any idea of
> waht is going wrong?
>
> I am using swi-pl on Ubuntu: SWI-Prolog version 5.10.4 for amd64
>
> Here is my source file cassiopee.cpp:
>
> #include <SWI-Prolog.h>
#include <SWI-cpp.h>
Cheers --- Jan
>
> PREDICATE(hello, 1)
> { cout << "Hello " << (char *)A1 << endl;
>
> return TRUE;
> }
>
> And here is my compilation log/error:
>
> /swi$ swipl-ld -v cassiopee.cpp
>
> eval `swipl --dump-runtime-variables`
> CC="gcc"
> PLBASE="/usr/lib/swi-prolog"
> PLARCH="amd64"
> PLLIBS="-lgmp -lrt -lreadline -lncurses -lm -lrt -ldl"
> PLLIB="-lswipl"
> PLCFLAGS="-pthread -fPIC"
> PLLDFLAGS="-rdynamic -Wl,-Bsymbolic-functions -Wl,-z,relro -pthread"
> PLSOEXT="so"
> PLTHREADS="yes"
> g++ -c -pthread -fPIC -D_REENTRANT -D__SWI_PROLOG__ -D__SWI_EMBEDDED__ -I/usr/lib/swi-prolog/include -o cassiopee.o cassiopee.cpp
> cassiopee.cpp:12:10: error: expected constructor, destructor, or type conversion before '(' token
> g++ returned code 256
> *** swipl-ld exit status 1
>
>
>
> Thanks
>
> Olivier
>
>
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