--- omnievents-2.6.2.orig/src/PersistNode.cc
+++ omnievents-2.6.2/src/PersistNode.cc
@@ -25,6 +25,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <climits>
 
 namespace OmniEvents {
 
--- omnievents-2.6.2.orig/src/Servant.cc
+++ omnievents-2.6.2/src/Servant.cc
@@ -35,6 +35,7 @@
 #endif
 
 #include <stdio.h>     // sprintf
+#include <cstdlib>
 #include <assert.h>
 
 #ifdef HAVE_IOSTREAM
--- omnievents-2.6.2.orig/src/main.cc
+++ omnievents-2.6.2/src/main.cc
@@ -60,6 +60,7 @@
 #  include <omniORB4/internal/orbOptions.h>
 #endif
 
+#include <cstdlib>
 #include <stdio.h> // for sprintf
 
 int main(int argc, char** argv)