diff --git a/CMakeLists.txt b/CMakeLists.txt
index 25cfa20..9887783 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,17 +28,33 @@ include_directories(.)
 #Create src file list
 set(src_files
 	egami/Image.cpp
+	egami/Image.h
 	egami/ImageMono.cpp
+	egami/ImageMono.h
 	egami/egami.cpp
+	egami/egami.h
 	egami/debug.cpp
+	egami/debug.h
 	egami/wrapperPNG.cpp
+	egami/wrapperPNG.h
 	egami/wrapperSVG.cpp
+	egami/wrapperSVG.h
 	egami/wrapperBMP.cpp
+	egami/wrapperBMP.h
 	egami/wrapperEDF.cpp
+	egami/wrapperEDF.h
 )
 
 add_definitions( -DDEBUG_LEVEL=3 )
 add_definitions( -DDEBUG=1 )
+if (APPLE)
+	add_definitions( -D__TARGET_OS__MacOs )
+elseif (UNIX)
+	add_definitions( -D__TARGET_OS__Linux )
+elseif (WIN32)
+	add_definitions( -D__TARGET_OS__Windows )
+endif ()
+
 
 include_directories(${etk_SOURCE_DIR})
 include_directories(${linearmath_SOURCE_DIR}/bullet/src/)