From d1ec79afdeb91521ed55d8664c89f2afba792fda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= <egil@erlang.org>
Date: Tue, 2 Jun 2015 15:03:06 +0200
Subject: erl_interface: Surround isfinite with HAVE_ISFINITE conditional

---
 lib/erl_interface/src/legacy/erl_eterm.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib/erl_interface/src')

diff --git a/lib/erl_interface/src/legacy/erl_eterm.c b/lib/erl_interface/src/legacy/erl_eterm.c
index 060e311f69..66cca7decf 100644
--- a/lib/erl_interface/src/legacy/erl_eterm.c
+++ b/lib/erl_interface/src/legacy/erl_eterm.c
@@ -26,7 +26,9 @@
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
+#if defined(HAVE_ISFINITE)
 #include <math.h>
+#endif
 
 #include "ei_locking.h"
 #include "ei_resolve.h"
@@ -126,12 +128,14 @@ ETERM *erl_mk_float (double d)
 {
     ETERM *ep;
 
+#if defined(HAVE_ISFINITE)
     /* Erlang does not handle Inf and NaN, so we return an error
      * rather than letting the Erlang VM complain about a bad external
      * term. */
     if(!isfinite(d)) {
         return NULL;
     }
+#endif
 
     ep = erl_alloc_eterm(ERL_FLOAT);
     ERL_COUNT(ep) = 1;
-- 
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