Depends-on:
math
+extensions
fma [{ test $HAVE_FMAL = 0 || test $REPLACE_FMAL = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
float [{ test $HAVE_FMAL = 0 || test $REPLACE_FMAL = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
stdbool [{ test $HAVE_FMAL = 0 || test $REPLACE_FMAL = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]