--- CMakeLists.txt.orig	2011-08-12 10:26:33.000000000 +0200
+++ CMakeLists.txt	2011-08-12 10:26:28.000000000 +0200
@@ -37,6 +37,10 @@
     SET(LINUX "${CMAKE_SYSTEM}")
 ENDIF("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
 
+IF("${CMAKE_SYSTEM_NAME}" MATCHES "FreeBSD")
+    SET(FREEBSD "${CMAKE_SYSTEM}")
+ENDIF("${CMAKE_SYSTEM_NAME}" MATCHES "FreeBSD")
+
 # custom ctest options
 CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/CTestCustom.cmake ${CMAKE_CURRENT_BINARY_DIR}/CTestCustom.cmake)