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Thread: SWIG and ActivePerl 822
SWIG and ActivePerl 822
user name
 2007-08-09 21:10:25 

  


  

    Hello,

I recently installed ActivePerl build 822 and discovered that my SWIG-based extensions no longer compile.  I am using Visual Studio .NET 2005 Enterprise and SWIG 1.3.31.



apk_wrap_perl_d.cxx(1232): error C2159: more than one storage class specified


apk_wrap_perl_d.cxx(1232): warning C4518: 'typedef ' : storage-class or type specifier(s) unexpected here; ignored
apk_wrap_perl_d.cxx(1232): warning C4502: 'linkage specification' requires use of keyword 'extern' and must precede all other specifiers


The error stems from this change in XSUB.h.  The following line:

#    define XS(name) void name(pTHX_ CV* cv)

Became:

#   ; ifdef __cplusplus
#      define XS(name) extern "C" void name(pTHX_ CV* cv)

#    else
#      define XS(name) void name(pTHX_ CV* cv)
# ;   endif

It is the extern "C" that is causing Visual C++ to blow up, reverting back to the old definition of XS fixes the problem.




Regards,
Wade Brainerd
Technical Director
Activision






  

  
  
   
     
    






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