diff --git a/MultiSource/Applications/d/d.h b/MultiSource/Applications/d/d.h
--- a/MultiSource/Applications/d/d.h
+++ b/MultiSource/Applications/d/d.h
@@ -76,7 +76,9 @@
 typedef unsigned long long uint64;
 typedef short int16;
 typedef unsigned short uint16;
-/* typedef uint32 uint; * already part of most systems */
+#if defined(_AIX) && !defined(_ALL_SOURCE)
+typedef uint32 uint;
+#endif
 typedef unsigned long ulong;
 
 #include "dparse.h"
diff --git a/MultiSource/Applications/viterbi/common.h b/MultiSource/Applications/viterbi/common.h
--- a/MultiSource/Applications/viterbi/common.h
+++ b/MultiSource/Applications/viterbi/common.h
@@ -130,10 +130,13 @@
 static inline double sTime()
 #if !defined(_MSC_VER) && !defined(__MINGW32__)
 { static struct timeval  this_tv;
-  static struct timezone dumbTZ;
   double t;
-                                                                                                                                                         
+#if !defined(_AIX) || defined(_ALL_SOURCE)
+  static struct timezone dumbTZ;
   gettimeofday(&this_tv, &dumbTZ);
+#else
+  gettimeofday(&this_tv, NULL);
+#endif
   t = this_tv.tv_sec + 0.000001*this_tv.tv_usec;
   return t;
 }