Guard against multiple inclusion.

HealthVivo · Jul 21, 2018 · c2a8dff · c2a8dff
1 parent 1674b22
commit c2a8dff
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/utility/system.H b/src/utility/system.H
@@ -27,8 +27,13 @@
  *  full conditions and disclaimers for each license.
  */
 
+#ifndef SYSTEM_H
+#define SYSTEM_H
+
 #include "AS_global.H"
 
+
+
 double   getTime(void);
 
 double   getCPUTime(void);
@@ -38,3 +43,7 @@ uint64   getProcessSize(void);
 uint64   getProcessSizeLimit(void);
 
 uint64   getPhysicalMemorySize(void);
+
+
+
+#endif  //  SYSTEM_H