This file is part of MXE. See index.html for further information. This patch has been taken from: http://gcc.gnu.org/ml/gcc-patches/2010-06/msg00387.html http://sourceforge.net/p/mingw/bugs/1809 diff -urN a/gcc/ginclude/float.h b/gcc/ginclude/float.h --- a/gcc/ginclude/float.h 2009-04-09 17:00:19.000000000 +0200 +++ b/gcc/ginclude/float.h 2010-06-05 12:03:41.887724045 +0200 @@ -275,3 +275,17 @@ #endif /* __STDC_WANT_DEC_FP__ */ #endif /* _FLOAT_H___ */ + +#ifdef __MINGW32__ + /* + * the MinGW-supplied header, which is guarded by the + * _MINGW_FLOAT_H_ macro, may be found first, thus... + */ +#ifndef _MINGW_FLOAT_H_ + /* + * ...when we didn't find the MinGW-supplied header first, we + * want to pull it in now; include_next should achieve this + */ +# include_next +#endif +#endif