diff --git a/CMakeLists.txt b/CMakeLists.txt
index c0fea1a1..86b5d27b 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,6 +10,14 @@ else()
 	option(USE_NACL "Use NaCl library instead of libsodium")
 endif()
 
+#OS X specific
+if(APPLE)
+	set(CMAKE_LIBRARY_PATH ${CMAKE_LIBRARY_PATH} /opt/local/lib)
+	set(CMAKE_INCLUDE_PATH ${CMAKE_INCLUDE_PATH} /opt/local/include)
+	set(CMAKE_C_FLAGS  "${CMAKE_C_FLAGS} -I/opt/local/include" )
+	set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -L/opt/local/lib")
+endif()
+
 if(UNIX)
 	find_package(Curses REQUIRED)
 endif()
diff --git a/auto_tests/friends_test.c b/auto_tests/friends_test.c
index 6c7569be..0ba42b61 100755
--- a/auto_tests/friends_test.c
+++ b/auto_tests/friends_test.c
@@ -29,6 +29,10 @@
 #define WAIT_COUNT 30
 #define WAIT_TIME 500
 
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
 /* first step, second step */
 #define FIRST_FLAG 0x1
 #define SECOND_FLAG 0x2