Re: [Boost-users] Mingw 3.4.2 char_traits.hpp patch fixes shmem-0.93 build for winxp

From: Rene Rivera (grafik.list_at_[hidden])
Date: 2006-06-14 14:55:51

christopher taylor wrote:
> to interested parties:
> 
> i did some additional searching today and managed to find out that
> there is a bug in mingw's c++ include directory.
> 
> to get shmem compiled for winxp using mingw,
> 
> go into your equivalent to "/C/MinGW/include/c++/3.4.2/bits"
> 
> open "char_traits.hpp" and comment out lines 309 and 311.
> 
> The area, after commenting, should look like this:
> 
> 309:   //#if defined (_GLIBCXX_USE_WCHAR_T)
> 310:   typedef wstreampos 	pos_type;
> 311:   typedef mbstate_t 	state_type;
> 312:   //#endif
> 
> the define statement conflicts with a similar define statement that
> takes places at the begining of this template type's definition.
> 
> after completing this simple patch, run the build script for mingw in
> the shmem 0.93 and try out the test programs, they should work at this
> point.
> 
> the semi-notorious, "fixes error: no type named `pos_type' in `struct
> std::char_traits<wchar_t>'" error is gone.
> 
> thanks to those parties that were looking into this issue and i hope
> this proves helpful for someone out there.

FYI...

1. Hopefully you saw my post about it working fine with something like 
STLport.

2. This is already fixed if you use the MinGW gcc-3.4.5 package.

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