Re: SWIG

[Jeff Horwitz <jeff@sixgeeks.org>]

i've never used swig personally, but to me it looks like there's a
largefile configuration problem (off_t vs. off64_t).  what platform are
you on?  can you send perl -V output so we can see how perl was built?

-jeff

On Wed, 22 Dec 2004, Jeff Abrahamson wrote:

> Has anyone here successfully used swig and is able to provide a
> working example?
>
> The docs make it look pretty straight forward, but even the debian
> examples (swig-example) I have had trouble getting to compile, to say
> nothing of a simple example I concocted on my own.
>
>
> Most illustratively, I tried the following very example from the swig
> docs:
>
> ------------------------------------------------------------
> /* File : example.c */
>
> double  My_variable  = 3.0;
>
> /* Compute factorial of n */
> int  fact(int n) {
> 	if (n <= 1) return 1;
> 	else return n*fact(n-1);
> }
>
> /* Compute n mod m */
> int my_mod(int n, int m) {
> 	return(n % m);
> }
> ------------------------------------------------------------
> /* File : example.i */
> %module example
> %{
> /* Put headers and other declarations here */
> %}
>
> extern double My_variable;
> extern int    fact(int);
> extern int    my_mod(int n, int m);
> ------------------------------------------------------------
> jeff@asterix:swig $ gcc -c example.c
> jeff@asterix:swig $ swig -perl5 example.i
> jeff@asterix:swig $ PERLCORE=/usr/lib/perl/5.8.4/CORE
> jeff@asterix:swig $ gcc -c example.c example_wrap.c -I$PERLCORE
> In file included from /usr/lib/perl/5.8.4/CORE/op.h:487,
>                  from /usr/lib/perl/5.8.4/CORE/perl.h:2345,
>                  from example_wrap.c:351:
> /usr/lib/perl/5.8.4/CORE/reentr.h:611: error: field `_crypt_struct' has incomplete type
> In file included from /usr/lib/perl/5.8.4/CORE/perl.h:3557,
>                  from example_wrap.c:351:
> /usr/lib/perl/5.8.4/CORE/proto.h:199: error: parse error before "off64_t"
> /usr/lib/perl/5.8.4/CORE/proto.h:201: error: parse error before "Perl_do_sysseek"
> /usr/lib/perl/5.8.4/CORE/proto.h:201: error: parse error before "off64_t"
> /usr/lib/perl/5.8.4/CORE/proto.h:201: warning: data definition has no type or storage class
> /usr/lib/perl/5.8.4/CORE/proto.h:202: error: parse error before "Perl_do_tell"
> /usr/lib/perl/5.8.4/CORE/proto.h:202: warning: data definition has no type or storage class
> /usr/lib/perl/5.8.4/CORE/proto.h:1308: error: parse error before "Perl_PerlIO_tell"
> /usr/lib/perl/5.8.4/CORE/proto.h:1308: warning: data definition has no type or storage class
> /usr/lib/perl/5.8.4/CORE/proto.h:1309: error: parse error before "off64_t"
> jeff@asterix:swig $
> ------------------------------------------------------------
>
>
> --
>  Jeff
>
>  Jeff Abrahamson  <http://www.purple.com/jeff/>    +1 215/837-2287
>  GPG fingerprint: 1A1A BA95 D082 A558 A276  63C6 16BF 8C4C 0D1D AE4B
>
>  A cool book of games, highly worth checking out:
>  http://www.amazon.com/exec/obidos/ASIN/1931686963/purple-20
>

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