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Re: wctype.h problem for MinGW build


From: Tatsuro MATSUOKA
Subject: Re: wctype.h problem for MinGW build
Date: Wed, 6 Jan 2010 18:33:26 +0900 (JST)

Thank you for your help.

With your patch

In file included from 
c:\programs\mingw\bin\../lib/gcc/mingw32/4.4.0/../../../../include/wchar.h:45,
                 from ../libgnu/wchar.h:73,
                 from 
c:\programs\mingw\bin\../lib/gcc/mingw32/4.4.0/include/c++/cwchar:47,
                 from 
c:\programs\mingw\bin\../lib/gcc/mingw32/4.4.0/include/c++/bits/postypes.h:42,
                 from 
c:\programs\mingw\bin\../lib/gcc/mingw32/4.4.0/include/c++/iosfwd:42,
                 from 
c:\programs\mingw\bin\../lib/gcc/mingw32/4.4.0/include/c++/ios:39,
                 from 
c:\programs\mingw\bin\../lib/gcc/mingw32/4.4.0/include/c++/ostream:40,
                 from 
c:\programs\mingw\bin\../lib/gcc/mingw32/4.4.0/include/c++/iostream:40,
                 from ../../../hg/octave-work/liboctave/CollocWt.cc:28:
../libgnu/wctype.h:238: error: expected declaration before '}' token
make[3]: *** [liboctave_la-CollocWt.lo] Error 1
make[3]: Leaving directory `/home/octaves/OctBuild/hg-devel/liboctave'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/octaves/OctBuild/hg-devel/liboctave'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/octaves/OctBuild/hg-devel'
make: *** [all] Error 2

So I moved the following  'extern "C" { }' declaration  for C++

 
#ifdef __cplusplus
extern "C" {
#endif
 :
 :
#ifdef __cplusplus
}
#endif

at the most outside position like 


***************
/*
 * ISO C 99 <wctype.h> for platforms that lack it.
 * <http://www.opengroup.org/susv3xbd/wctype.h.html>
 *
 * iswctype, towctrans, towlower, towupper, wctrans, wctype,
 * wctrans_t, and wctype_t are not yet implemented.
 */
#ifdef __cplusplus
extern "C" {
#endif
*******************

++++++++++++++++++++

#endif /* _GL_WCTYPE_H */
#endif /* _GL_WCTYPE_H */

#ifdef __cplusplus
}
#endif

++++++++++++++++++++

Then compiling CollocWt.cc was done successfully.

Regards

Tatsuro

--- "John W. Eaton"  wrote:
ny suggestions?
> 
> I think the declarations in the gnulib/lib/wctype.in.h need to be
> inside an extern "C" block.  Does the following patch help?  If so,
> I'll report the problem to the gnulib maintainers.
> 
> jwe
> 
> > diff --git a/lib/wctype.in.h b/lib/wctype.in.h
> index 01a0779..56f3daf 100644
> --- a/lib/wctype.in.h
> +++ b/lib/wctype.in.h
> @@ -105,6 +105,10 @@
>  #   define towupper rpl_towupper
>  #  endif
>  
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
>  static inline int
>  iswalnum (wint_t wc)
>  {
> @@ -227,5 +231,9 @@ rpl_towupper (wint_t wc)
>  
>  # endif
>  
> +#ifdef __cplusplus
> +}
> +#endif
> +
>  #endif /* _GL_WCTYPE_H */
>  #endif /* _GL_WCTYPE_H */
> 


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