projects
/
rrdtool.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
| inline |
side by side
include math.h when testing IEEE
[rrdtool.git]
/
m4
/
acinclude.m4
diff --git
a/m4/acinclude.m4
b/m4/acinclude.m4
index
f1b6119
..
c1e5c4b
100644
(file)
--- a/
m4/acinclude.m4
+++ b/
m4/acinclude.m4
@@
-390,6
+390,10
@@
AC_CACHE_VAL([rd_cv_ieee_$2],
# define isinf(a) (fpclassify(a) == FP_INFINITE)
#endif
+#if HAVE_MATH_H
+#include <math.h>
+#endif
+
#include <stdio.h>
int main(void){
double rrdnan,rrdinf,rrdc,rrdzero;