Fix hypot issue on MinGW

Author: Kojoley

include/boost/python/detail/wrap_python.hpp

@@ -83,6 +83,13 @@
 // than MSVC on Win32
 //
 #if defined(_WIN32) || defined(__CYGWIN__)
+
+// Python.h defines a macro with hypot name, what breaks libstdc++ math header
+// that it tries to include afterwards.
+# if defined(__MINGW32__)
+#  include <cmath>
+# endif
+
 # if defined(__GNUC__) && defined(__CYGWIN__)
 
 #  if defined(__LP64__)