// Include I/O support for 'long long' and 'unsigned long long'.
#undef _GLIBCXX_USE_LONG_LONG
-// Include support for 'long double'.
-#undef _GLIBCXX_USE_LONG_DOUBLE
-
// Define if C99 math functions (like fpclassify) should be exposed.
#undef _GLIBCXX_USE_C99_MATH