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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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<span class="gmail_quote"></span>Hello,<br><br>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.<br><br>
apk_wrap_perl_d.cxx(1232): error C2159: more than one storage class specified
<br>apk_wrap_perl_d.cxx(1232): warning C4518: 'typedef ' : storage-class or type specifier(s) unexpected here; ignored<br>apk_wrap_perl_d.cxx(1232): warning C4502: 'linkage specification' requires use of keyword 'extern' and must precede all other specifiers
<br><br>The error stems from this change in XSUB.h. The following line:<br><br># define XS(name) void name(pTHX_ CV* cv)<br><br>Became:<br><br># ifdef __cplusplus<br># define XS(name) extern "C" void name(pTHX_ CV* cv)
<br># else<br># define XS(name) void name(pTHX_ CV* cv)<br># endif<br><br>It is the extern "C" that is causing Visual C++ to blow up, reverting back to the old definition of XS fixes the problem.<br>
<br>
Regards,<br><span class="sg">Wade Brainerd<br>Technical Director<br>Activision<br><br><br>
</span>
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