X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=configure.ac;h=e50796edaa116d13ecec02c53c134ee5bb39e487;hb=169e55d4e90a5bb35ca1b638fe4ece2d0a12e48f;hp=56b9532f802ac979f25d84ef3304e913260a47e3;hpb=7f408c1ae7d1011c489fbd9123b1dd03d869e088;p=rrdtool.git

diff --git a/configure.ac b/configure.ac
index 56b9532..e50796e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -103,6 +103,12 @@ char *strchr (), *strrchr ();
 #  define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
 #endif
 
+/* solaris 10 it defines isnan such that only forte can compile it ... bad bad  */
+#if (defined(HAVE_ISNAN) && defined(isnan) && defined(HAVE_FPCLASS))
+#  undef isnan
+#  define isnan(a) (fpclass(a) == FP_SNAN || fpclass(a) == FP_QNAN)
+#endif
+
 /* for OSF1 Digital Unix */
 #if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
 #  define HAVE_ISINF 1