#undef _GLIBCXX_USE_C99_MATH
// Define if C99 complex math functions should be used in std::complex.
-#undef _GLIBCXX_USE_C99_COMPLEX_MATH
+#undef _GLIBCXX_USE_C99_COMPLEX
// Define if code specialized for wchar_t should be used.
#undef _GLIBCXX_USE_WCHAR_T