Re: field `_crypt_struct' has incomplete type

On Mon, 20 Jan 2003 15:04:11 -0800, Jeff Cours <swig-j@xxxxxxxxxxxx> wrote:
> Subject: [Swig] field `_crypt_struct' has incomplete type
> 
> Hi, everyone -
> 
> I'm trying to compile SWIG 1.3.17 on a RedHat 8.0 box using gcc 3.2. I'm 
> getting the "field `_crypt_struct' has incomplete type" error:
> 
> gcc -c -I/usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE -DSWIG_GLOBAL 
> -Dbool=char -Dexplicit= libperl.c  -fPIC -DPIC -o .libs/libperl.lo
> In file included from 
> /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/op.h:480,
>                   from 
> /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/perl.h:2209,
>                   from libperl.c:217:
> /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/reentr.h:602: field 
> `_crypt_struct' has incomplete type
> In file included from 
> /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/perl.h:3368,
>                   from libperl.c:217:
> /usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE/proto.h:246: parse error 
> before "off64_t"
> (etc...)
> 

Same problem with Debian unstable:

gcc -c -I/usr/lib/perl/5.8.0/CORE -DSWIG_GLOBAL -Dbool=char
-Dexplicit= libperl.c  -fPIC -DPIC -o .libs/libperl.lo
In file included from /usr/lib/perl/5.8.0/CORE/op.h:480,
                 from /usr/lib/perl/5.8.0/CORE/perl.h:2209,
                 from libperl.c:217:
/usr/lib/perl/5.8.0/CORE/reentr.h:602: field `_crypt_struct' has incomplete type
In file included from /usr/lib/perl/5.8.0/CORE/perl.h:3368, from libperl.c:217:
/usr/lib/perl/5.8.0/CORE/proto.h:246: parse error before "off64_t"
/usr/lib/perl/5.8.0/CORE/proto.h:248: parse error before "Perl_do_sysseek"
/usr/lib/perl/5.8.0/CORE/proto.h:248: parse error before "off64_t"
/usr/lib/perl/5.8.0/CORE/proto.h:248: warning: data definition has no type or 
storage class
/usr/lib/perl/5.8.0/CORE/proto.h:249: parse error before "Perl_do_tell"
/usr/lib/perl/5.8.0/CORE/proto.h:249: warning: data definition has no type or 
storage class
/usr/lib/perl/5.8.0/CORE/proto.h:1378: parse error before "Perl_PerlIO_tell"
/usr/lib/perl/5.8.0/CORE/proto.h:1378: warning: data definition has no type or 
storage class
/usr/lib/perl/5.8.0/CORE/proto.h:1379: parse error before "off64_t"
make[1]: *** [libswigpl.la] Error 1

> I found one reference to this problem on the SWIG mailing list,
> 
> <http://mailman.cs.uchicago.edu/pipermail/swig/2002-July/005299.html>
> 
> that involved hacking perl.h and proto.h. Looking for something less 
> intrusive, I found a pointer to a thread in debian-perl,
> 
> <http://www.mail-archive.com/debian-perl@xxxxxxxxxxxxxxxx/msg00617.html>
> 
> that suggested running "perl -V:cppflags" to see what flags are necessary. 
> Among other things, it showed '-D_GNU_SOURCE', which agrees with this message:
> 
> <http://archive.develooper.com/perl5-porters@xxxxxxxx/msg75535.html>
> 
> Unfortunately, the compile fails in the Perl section of Runtime/Makefile, 
> which doesn't seem to honor CPPFLAGS, CXXFLAGS, or CFLAGS. If I hack 
> Runtime/Makefile manually to add -D_GNU_SOURCE:
> 
> libswigpl$(RELEASESUFFIX).la: $(srcdir)/$(SWIG_TYPECHECK) 
> $(srcdir)/$(PERL5_RUNTIME)
>          @rm -f libperl.c
> #       cat $(srcdir)/perlrun.h >> libperl.c
>          cat $(srcdir)/$(SWIG_TYPECHECK) $(srcdir)/$(PERL5_RUNTIME) >> 
> libperl.c
>          $(LIBTOOL) $(CC) -c $(PERL5_INCLUDE) -DSWIG_GLOBAL -D_GNU_SOURCE 
> -Dbool=char -Dexplicit= libperl.c
>          $(LIBTOOL) $(CC) -o libswigpl$(RELEASESUFFIX).la libperl.lo -rpath 
> $(LIB_DIR) -avoid-version
> 
> the compile succeeds.
> 
> Is there a more elegant way to solve this problem?
> 
> thanks in advance,
> Jeff
> 

Bob
-- 
QOTD:
        "What do you mean, you had the dog fixed?   Just what made you
        think he was broken!"

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