diff --git a/cmake-d/CMakeDInformation.cmake b/cmake-d/CMakeDInformation.cmake
index 8e5fa3a..d7c059c 100644
--- a/cmake-d/CMakeDInformation.cmake
+++ b/cmake-d/CMakeDInformation.cmake
@@ -152,6 +152,10 @@ if(NOT CMAKE_INCLUDE_FLAG_D)
   set(CMAKE_INCLUDE_FLAG_D ${CMAKE_INCLUDE_FLAG_D})
 endif()
 
+if(NOT CMAKE_D_DEFINE_FLAG)
+  set(CMAKE_D_DEFINE_FLAG ${CMAKE_D_DEFINE_FLAG})
+endif()
+
 if(NOT CMAKE_INCLUDE_FLAG_SEP_D)
   set(CMAKE_INCLUDE_FLAG_SEP_D ${CMAKE_INCLUDE_FLAG_SEP_D})
 endif()
@@ -267,7 +271,7 @@ if(NOT CMAKE_D_COMPILE_OBJECT)
      "<CMAKE_D_COMPILER> <FLAGS> ${CMAKE_D_DASH_O}<OBJECT> -c <SOURCE>")
   else()
     set(CMAKE_D_COMPILE_OBJECT
-     "<CMAKE_D_COMPILER> <FLAGS> <INCLUDES> ${CMAKE_D_DASH_O}<OBJECT> -c <SOURCE>")
+     "<CMAKE_D_COMPILER> <FLAGS> <INCLUDES> <DEFINES> ${CMAKE_D_DASH_O}<OBJECT> -c <SOURCE>")
   endif()
 endif()
 
diff --git a/cmake-d/Platform/Linux-gdc.cmake b/cmake-d/Platform/Linux-gdc.cmake
index 0f31c26..9761a50 100644
--- a/cmake-d/Platform/Linux-gdc.cmake
+++ b/cmake-d/Platform/Linux-gdc.cmake
@@ -39,3 +39,4 @@ set(CMAKE_D_CREATE_ASSEMBLY_SOURCE "<CMAKE_D_COMPILER> <FLAGS> -S <SOURCE> -o <A
 # set(CMAKE_INCLUDE_SYSTEM_FLAG_D "-isystem ")
 
 set(CMAKE_INCLUDE_FLAG_D "-I")       # -I
+set(CMAKE_D_DEFINE_FLAG "-fversion=")