configure: provide some necessary prerequisites in header checks

[openafs.git] / src / cf / ressearch.m4

diff --git a/src/cf/ressearch.m4 b/src/cf/ressearch.m4
index 2abd444..7326edb 100644 (file)
--- a/src/cf/ressearch.m4
+++ b/src/cf/ressearch.m4
@@ -6,6 +6,7 @@ AC_DEFUN([AC_CHECK_RESOLV_RETRANS],[
 #if defined(__sun__)
 #include <inet/ip.h>
 #endif
+#include <netinet/in.h>
 #include <resolv.h>
 ],[
     _res.retrans = 2;