Depends-on:
math
+extensions
frexp [{ test $HAVE_DECL_FREXPL = 0 || test $gl_func_frexpl = no; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
isnanl-nolibm [{ test $HAVE_DECL_FREXPL = 0 || test $gl_func_frexpl = no; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
fpucw [{ test $HAVE_DECL_FREXPL = 0 || test $gl_func_frexpl = no; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]