Initial freetype support.

src/fonts/CMakeLists.txt

@@ -1,8 +1,25 @@
 
+set(fonts_LIB_DEPENDS "")
+
 list(APPEND fonts_LIB_INCLUDES 
     FontReader.cpp
     TrueTypeFont.cpp
     )
+    
+if(UNIX)
+    find_package(Freetype QUIET)
+    if(Freetype_FOUND)
+        list(APPEND font_LIB_INCLUDES
+        FreeTypeFontEngine.cpp
+        )
+        
+        list(APPEND fonts_LIB_DEPENDS
+        Freetype::Freetype
+        )
+    else()
+        message(STATUS "Did not find freetype - skipping font engine")
+    endif()
+endif()
 
 add_library(fonts SHARED ${fonts_LIB_INCLUDES})
 
@@ -10,6 +27,6 @@ target_include_directories(fonts PUBLIC
                           "${CMAKE_CURRENT_SOURCE_DIR}"
                           )
                           
-target_link_libraries(fonts PUBLIC core)
+target_link_libraries(fonts PUBLIC core ${fonts_LIB_DEPENDS})
 set_property(TARGET fonts PROPERTY FOLDER src)
 set_target_properties( fonts PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON )