Apply suggestion from @ferdymercury

Author: ferdymercury

builtins/ftgl/CMakeLists.txt

@@ -67,7 +67,7 @@ add_library(FTGL::FTGL IMPORTED STATIC GLOBAL)
 set_target_properties(FTGL::FTGL PROPERTIES
     IMPORTED_LOCATION ${ROOT_FTGL_LIBRARY}
     INTERFACE_INCLUDE_DIRECTORIES ${ROOT_FTGL_PREFIX}/include)
-target_compile_definitions(FTGL::FTGL PUBLIC FTGL_LIBRARY_STATIC) # needed for Win32 since public flag is not correctly propagated to parent scope (BUILD_SHARED_LIBS works fine for building but when installing, flag info is lost)
+target_compile_definitions(FTGL::FTGL INTERFACE FTGL_LIBRARY_STATIC) # needed for Win32 since public flag is not correctly propagated to parent scope (BUILD_SHARED_LIBS works fine for building but when installing, flag info is lost)
 if(builtin_freetype)
   add_dependencies(BUILTIN_FTGL BUILTIN_FREETYPE)
 endif()