diff --git a/libretroshare/src/dbase/findex.cc b/libretroshare/src/dbase/findex.cc
index 9e211a821..7c4ea07b3 100644
--- a/libretroshare/src/dbase/findex.cc
+++ b/libretroshare/src/dbase/findex.cc
@@ -33,7 +33,7 @@
 #include <stdlib.h>
 #include <algorithm>
 #include <iostream>
-#ifdef __MAC_10_10
+#ifdef __MACH__
 #include <unordered_set>
 #else
 #include <tr1/unordered_set>
@@ -58,7 +58,7 @@ static const char FILE_CACHE_SEPARATOR_CHAR = '|' ;
  ****/
 
 static RsMutex FIndexPtrMtx("FIndexPtrMtx") ;
-#ifdef __MAC_10_10
+#ifdef __MACH__
 std::unordered_set<void*> FileIndex::_pointers ;
 #else
 std::tr1::unordered_set<void*> FileIndex::_pointers ;
diff --git a/libretroshare/src/dbase/findex.h b/libretroshare/src/dbase/findex.h
index a86915f95..87ad257d9 100644
--- a/libretroshare/src/dbase/findex.h
+++ b/libretroshare/src/dbase/findex.h
@@ -27,7 +27,7 @@
 #include <string>
 #include <map>
 #include <set>
-#if __MAC_10_10
+#if __MACH__
 #include <unordered_set>
 #else
 #include <tr1/unordered_set>
@@ -250,7 +250,7 @@ class FileIndex
 
 		PersonEntry *root;
 
-#ifdef __MAC_10_10
+#ifdef __MACH__
 		static std::unordered_set<void*> _pointers ;
 #else
 		static std::tr1::unordered_set<void*> _pointers ;
diff --git a/retroshare.pri b/retroshare.pri
index e36eaa152..bdedd670a 100644
--- a/retroshare.pri
+++ b/retroshare.pri
@@ -43,8 +43,14 @@ macx {
 	INC_DIR += "/opt/local/include"
 	LIB_DIR += "/usr/local/lib"
 	LIB_DIR += "/opt/local/lib"
-	QMAKE_MACOSX_DEPLOYMENT_TARGET=10.10
-	QMAKE_MAC_SDK = macosx10.10
+	!QMAKE_MACOSX_DEPLOYMENT_TARGET {
+		message(***retroshare.pri: No Target, set it to MacOS 10.10 )
+		QMAKE_MACOSX_DEPLOYMENT_TARGET=10.10
+	}
+	!QMAKE_MAC_SDK {
+		message(***retroshare.pri: No SDK, set it to MacOS 10.10 )
+		QMAKE_MAC_SDK = macosx10.10
+	}
 	CONFIG += c+11
 }