diff --git a/ACTK1_0/Makefile b/ACTK1_0/Makefile
index df2a758..1541904 100644
--- a/ACTK1_0/Makefile
+++ b/ACTK1_0/Makefile
@@ -14,8 +14,8 @@ CC             = gcc
 PRODORDEV += -ggdb3 
 
 CXXFLAGS = $(PRODORDEV) -Wall -Wpointer-arith -Wcast-qual -D_REENTRANT -fPIC
-CPPFLAGS = -fPIC -D_GNU_SOURCE  
-CXXFLAGS += -D_GNU_SOURCE -O0 
+CPPFLAGS = -fPIC -D_GNU_SOURCE  -DACLOC=$(LOCATION)
+CXXFLAGS += -D_GNU_SOURCE -O0 -DACLOC=$(LOCATION)
 
 ifeq ($(LOCATION),debian7)
 XALAN_LIB_DIR = /usr/local/lib/
diff --git a/ACTK1_0/session/Timer.hpp b/ACTK1_0/session/Timer.hpp
index 1ca14ec..4aff21b 100644
--- a/ACTK1_0/session/Timer.hpp
+++ b/ACTK1_0/session/Timer.hpp
@@ -29,8 +29,11 @@ public:
     static struct timespec msOffset2abs(long long msOffset);
 
 private:
-    
+#if ACLOC != osx10.8
     static clockid_t getClock();
+#else
+    static clock_t getClock();
+#endif
 
     static bool useRealTime;