With Visual C++ __config redefines _NOEXCEPT resulting in a warning:
ibcxx\include\__config(434) : warning C4005: '_NOEXCEPT' : macro
redefinition
C:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\INCLUDE\yvals.h(25) : see previous definition of '_NOEXCEPT'
I checked and at least Visual C++ 2012, 2013 define _NOEXCEPT in yvals.h.
This patch #ifndef _NOEXCEPT to avoid the warning.
Alternative solution could be to remove it completely, as Visual C++ seems
to supply it. Maybe it was for an older version of Visual C++.
Yaron
Index: __config
===================================================================
--- __config (revision 198042)
+++ __config (working copy)
@@ -431,7 +431,9 @@
#define _ALIGNAS(x) __declspec(align(x))
#define _LIBCPP_HAS_NO_VARIADICS
+#ifndef _NOEXCEPT
#define _NOEXCEPT throw()
+#endif
#define _NOEXCEPT_(x)
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
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