make perlbuild more portable

[rrdtool.git] / src / rrd.h

diff --git a/src/rrd.h b/src/rrd.h
index e53751d..978ad1c 100644 (file)
--- a/src/rrd.h
+++ b/src/rrd.h
@@ -57,6 +57,21 @@ extern    "C" {
 #include <time.h>
 #include <stdio.h>      /* for FILE */
 
+
+/* Formerly rrd_nan_inf.h */
+#ifndef DNAN
+# define DNAN set_to_DNAN()
+#endif
+
+#ifndef DINF
+# define DINF set_to_DINF()
+#endif
+    double    set_to_DNAN(
+    void);
+    double    set_to_DINF(
+    void);
+/* end of rrd_nan_inf.h */
+
 /* Transplanted from rrd_format.h */
     typedef double rrd_value_t; /* the data storage type is
                                  * double */