Initial compiler entry.

src/image/CMakeLists.txt

@@ -13,6 +13,7 @@ list(APPEND image_LIB_INCLUDES
     )
 
 list(APPEND image_LIBS core)
+list(APPEND image_DEFINES "")
 
 find_package(PNG QUIET)
 if(PNG_FOUND)
@@ -20,12 +21,14 @@ list(APPEND image_LIBS PNG::PNG)
 list(APPEND image_LIB_INCLUDES 
     PngWriterLibPng.cpp
     )
-target_compile_definitions(image PRIVATE HAS_LIBPNG)
+list(APPEND image_DEFINES HAS_LIBPNG)
 else()
 message(STATUS "LIBRARY CHECK: libPNG not found - disabling libPNG based image i/o.")
 endif() 
 
+
 add_library(image SHARED ${image_LIB_INCLUDES} ${image_HEADERS})
+#target_compile_definitions(image PRIVATE ${image_DEFINES})
 
 target_include_directories(image PUBLIC
                           "${CMAKE_CURRENT_SOURCE_DIR}"