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On 29.04.2014 10:52, G M wrote:
> Hi Everyone
>
> I can't build the popular build program ninja with clang++ and mingw.
>
> The reason is demonstrated by this simple program:
>
> // wcx.cpp
>
> #include <string> using namespace std; #include <windows.h> int main() {
> wchar_t* p = wcschr(L"hello", L'h'); }
>
> Compiling this program with g++ yields the same problem, all the errors
> are below, results from clang++ are included too.
>
> g++ -std=c++1y -I/libcxx/include -nostdinc++ wcx.cpp
>
>
> If ninja didn't put a using namespace std; in it's includes, the problem
> would go away, but it does, and in over a year I've had no luck
> convincing them not to put using namespaces in headers and when I
> mentioned it a year ago here it didn't attract any interest.
>
> On the ninja maintainers side, it is legal, so why should they change it,
> and who knows what other programs break because it doesn't work.
>
> So my question is, will mingw be changed to make this program compile by
> default?
>
Would changing the prototype help? Something like:
#ifdef NAMESPACES_IN_HEADERS_BREAK_WCSCHR
<one prototype>
#else
<another prototype>
#endif
- --
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