--- ruby-2.0.0-p247.orig/missing/isnan.c 2010-07-28 10:12:01.000000000 +0200 +++ ruby-2.0.0-p247/missing/isnan.c 2013-10-24 09:02:41.000000000 +0200 @@ -4,6 +4,8 @@ static int double_ne(double n1, double n2); +#undef isnan + int isnan(double n) {
