X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Frrd_config_bottom.h;h=90ecc8e9f2b45a03200554dd0cbb97cd101b41ae;hp=4bf9d9cfcddc6a1442108a0d89ea5ac95433a9cc;hb=bbee4e31db966702d6fa3d7f4907b14aa1cb5aba;hpb=2e8928599355e8fde32ff9361db58baeae7e06ea;ds=sidebyside

diff --git a/src/rrd_config_bottom.h b/src/rrd_config_bottom.h
index 4bf9d9c..90ecc8e 100644
--- a/src/rrd_config_bottom.h
+++ b/src/rrd_config_bottom.h
@@ -190,12 +190,12 @@ char *strchr (), *strrchr ();
 #  define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
 #endif
 
-#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY))
+#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_MINUS_INF) && defined(FP_PLUS_INF))
 #  define HAVE_ISINF 1
 #  define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF)
 #endif
 
-#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY))
+#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
 #  define HAVE_ISINF 1
 #  define isinf(a) (fpclassify(a) == FP_INFINITE)
 #endif