diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c3766dda..27bed41e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -259,7 +259,7 @@ if (GTSAM_BUILD_UNSTABLE)
 endif(GTSAM_BUILD_UNSTABLE)
 
 # Install config and export files
-GtsamMakeConfigFile(GTSAM)
+GtsamMakeConfigFile(GTSAM "${CMAKE_CURRENT_SOURCE_DIR}/gtsam_extra.cmake.in")
 export(TARGETS ${GTSAM_EXPORTED_TARGETS} FILE GTSAM-exports.cmake)
 
 # Check for doxygen availability - optional dependency
diff --git a/gtsam_extra.cmake.in b/gtsam_extra.cmake.in
new file mode 100644
index 000000000..8b7060b14
--- /dev/null
+++ b/gtsam_extra.cmake.in
@@ -0,0 +1,11 @@
+# Extra CMake definitions for GTSAM
+
+set (GTSAM_VERSION_MAJOR @GTSAM_VERSION_MAJOR@)
+set (GTSAM_VERSION_MINOR @GTSAM_VERSION_MINOR@)
+set (GTSAM_VERSION_PATCH @GTSAM_VERSION_PATCH@)
+set (GTSAM_VERSION_NUMERIC @GTSAM_VERSION_NUMERIC@)
+set (GTSAM_VERSION_STRING "@GTSAM_VERSION_STRING@")
+
+if(@GTSAM_USE_TBB@)
+	set (GTSAM_USE_TBB @GTSAM_USE_TBB@)
+endif()