--- a/CMakeLists.txt
+++ b/CMakeLists.txt
-@@ -43,7 +43,7 @@ IF(CMAKE_SIZEOF_VOID_P EQUAL 4)
+@@ -44,7 +44,7 @@ IF(CMAKE_SIZEOF_VOID_P EQUAL 4)
SET(LIB_SUFFIX "")
SET(PACK_ARCH "")
ELSE(CMAKE_SIZEOF_VOID_P EQUAL 8)
--- /dev/null
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,9 +1,12 @@
+ # Project
+ project(libftdi)
++set(PACKAGE libftdi)
+ set(MAJOR_VERSION 0)
+ set(MINOR_VERSION 20)
++set(VERSION ${VERSION_STRING})
+ set(VERSION_STRING ${MAJOR_VERSION}.${MINOR_VERSION})
+-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}")
++set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}")
++set(top_srcdir ${CMAKE_SOURCE_DIR})
+
+ # CMake
+ if("${CMAKE_BUILD_TYPE}" STREQUAL "")
+@@ -98,12 +101,6 @@ option(DOCUMENTATION "Generate API docum
+
+ find_package(Doxygen)
+ if(DOCUMENTATION AND DOXYGEN_FOUND)
+-
+- # Set variables
+- set(PACKAGE libftdi)
+- set(VERSION ${VERSION_STRING})
+- set(top_srcdir ${CMAKE_SOURCE_DIR})
+-
+ # Find doxy config
+ message(STATUS "Doxygen found.")
+ set(DOXY_DIR "${CMAKE_SOURCE_DIR}/doc")