NAN: use __builtin_nanf() if not available

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/parse.c b/parse.c
index 18c4530183dbb7b74ca4b97a2e6edf3e181c9595..d15d22ba3f7ed03a68e77614a02b44616d64daa5 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -1096,6 +1096,9 @@ void option_init(struct fio_option *o)
                        o->maxval = UINT_MAX;
        }
        if (o->type == FIO_OPT_FLOAT_LIST) {
                        o->maxval = UINT_MAX;
        }
        if (o->type == FIO_OPT_FLOAT_LIST) {

+#ifndef NAN
+#define NAN __builtin_nanf("")
+#endif

                o->minfp = NAN;
                o->maxfp = NAN;
        }
                o->minfp = NAN;
                o->maxfp = NAN;
        }