diff --git a/ispd/CMakeLists.txt b/ispd/CMakeLists.txt
index 613c44b8..a742fe0e 100644
--- a/ispd/CMakeLists.txt
+++ b/ispd/CMakeLists.txt
@@ -25,7 +25,32 @@ SET(CMAKE_CXX_FLAGS_DEBUG           "-g -Wall" CACHE STRING "Debug options." FOR
 #SET(CMAKE_MODULE_LINKER_FLAGS_DEBUG "-pg"         CACHE STRING "Debug options." FORCE)
 #SET(CMAKE_EXE_LINKER_FLAGS_DEBUG    "-pg"         CACHE STRING "Debug options." FORCE)
 
-SET(CMAKE_MODULE_PATH "$ENV{HURRICANE_TOP}/share/cmake_modules/")
+# This macro has to be included in all the tools CMakeLists.txt as it's
+# the sole means of localizing other tools/projects.
+MACRO(SETUP_PROJECT_PATHS project)
+  IF( NOT("$ENV{${project}_USER_TOP}" STREQUAL "") )
+    MESSAGE("-- ${project}_USER_TOP is set to $ENV{${project}_USER_TOP}")
+    SET(${project}_DIR_SEARCH "$ENV{${project}_USER_TOP}")
+    SET(PROJECT_MODULE_PATH   "$ENV{${project}_USER_TOP}/share/cmake_modules/")
+    LIST(FIND CMAKE_MODULE_PATH "${PROJECT_MODULE_PATH}" DIR_INDEX)
+    IF( DIR_INDEX LESS 0)
+      LIST(APPEND CMAKE_MODULE_PATH "${PROJECT_MODULE_PATH}")
+    ENDIF( DIR_INDEX LESS 0)
+  ENDIF( NOT("$ENV{${project}_USER_TOP}" STREQUAL "") )
+  
+  IF( NOT("$ENV{${project}_TOP}" STREQUAL "") )
+    MESSAGE("-- ${project}_TOP is set to $ENV{${project}_TOP}")
+    LIST(APPEND ${project}_DIR_SEARCH     "$ENV{${project}_TOP}")
+    SET(PROJECT_MODULE_PATH               "$ENV{${project}_TOP}/share/cmake_modules/")
+    LIST(FIND CMAKE_MODULE_PATH "${PROJECT_MODULE_PATH}" DIR_INDEX)
+    IF( DIR_INDEX LESS 0)
+      LIST(APPEND CMAKE_MODULE_PATH "${PROJECT_MODULE_PATH}")
+    ENDIF( DIR_INDEX LESS 0)
+  ENDIF( NOT("$ENV{${project}_TOP}" STREQUAL "") )
+ENDMACRO(SETUP_PROJECT_PATHS project)
+
+SETUP_PROJECT_PATHS(IO)
+SETUP_PROJECT_PATHS(CORIOLIS)
 
 SET(QT_USE_QTXML "true")