diff --git a/cmake/Modules/DuneCompat.cmake b/cmake/Modules/DuneCompat.cmake
index e371c832f..fb868177c 100644
--- a/cmake/Modules/DuneCompat.cmake
+++ b/cmake/Modules/DuneCompat.cmake
@@ -17,7 +17,7 @@ if (CMAKE_GENERATOR MATCHES "Unix Makefiles")
   # amazingly, nothing depends on the generated Makefile, so this can be
   # run whenever in the build without trigging a compile of e.g. config.h
   add_custom_target (dune-compat ALL
-	COMMAND ${CMAKE_COMMAND} -DCMAKE_HOME_DIRECTORY=${CMAKE_HOME_DIRECTORY} -P ${PROJECT_SOURCE_DIR}/cmake/Scripts/DuneCompat2.cmake
+	COMMAND ${CMAKE_COMMAND} -DCMAKE_HOME_DIRECTORY=${CMAKE_HOME_DIRECTORY} -P ${OPM_MACROS_ROOT}/cmake/Scripts/DuneCompat2.cmake
 	COMMENT "Patching Makefile to be DUNE compatible"
 	)
 endif (CMAKE_GENERATOR MATCHES "Unix Makefiles")
diff --git a/cmake/Modules/LibtoolArchives.cmake b/cmake/Modules/LibtoolArchives.cmake
index 8fbc7935c..2dc59334c 100644
--- a/cmake/Modules/LibtoolArchives.cmake
+++ b/cmake/Modules/LibtoolArchives.cmake
@@ -141,7 +141,7 @@ function (configure_la name target)
   # assume that we are in cmake/Modules, and that the template have been
   # put in cmake/Templates. we cannot use CMAKE_CURRENT_LIST_DIR because
   # this is in a function, and we cannot know who's calling us
-  set (templ_dir "${PROJECT_SOURCE_DIR}/cmake/Templates")
+  set (templ_dir "${OPM_MACROS_ROOT}/cmake/Templates")
 
   
   # only write an .la if libtool is found; otherwise we have no use
diff --git a/cmake/Modules/OpmDistClean.cmake b/cmake/Modules/OpmDistClean.cmake
index 5d6ebcebf..78908370c 100644
--- a/cmake/Modules/OpmDistClean.cmake
+++ b/cmake/Modules/OpmDistClean.cmake
@@ -68,7 +68,7 @@ macro (opm_dist_clean opm)
 	  )
   endif (NOT PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
   # script to remove empty directories (can't believe this isn't included!)
-  set (rmdir "${PROJECT_SOURCE_DIR}/cmake/Scripts/RemoveEmptyDir.cmake")
+  set (rmdir "${OPM_MACROS_ROOT}/cmake/Scripts/RemoveEmptyDir.cmake")
   add_custom_target (distclean
 	COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR} -- clean
 	COMMAND ${CMAKE_COMMAND} -E remove -f ${DISTCLEAN_FILES}
diff --git a/cmake/Modules/OpmDoc.cmake b/cmake/Modules/OpmDoc.cmake
index df262ab75..1871c207b 100644
--- a/cmake/Modules/OpmDoc.cmake
+++ b/cmake/Modules/OpmDoc.cmake
@@ -13,7 +13,7 @@
 
 macro (opm_doc opm doxy_dir)
   # combine the template with local customization
-  file (READ ${PROJECT_SOURCE_DIR}/cmake/Templates/Doxyfile _doxy_templ)
+  file (READ ${OPM_MACROS_ROOT}/cmake/Templates/Doxyfile _doxy_templ)
   string (REPLACE ";" "\\;" _doxy_templ "${_doxy_templ}")
   if (EXISTS ${PROJECT_SOURCE_DIR}/${doxy_dir}/Doxylocal)
 	file (READ ${PROJECT_SOURCE_DIR}/${doxy_dir}/Doxylocal _doxy_local)
diff --git a/cmake/Modules/OpmLibMain.cmake b/cmake/Modules/OpmLibMain.cmake
index 6d8764e32..6240cc5df 100644
--- a/cmake/Modules/OpmLibMain.cmake
+++ b/cmake/Modules/OpmLibMain.cmake
@@ -17,17 +17,17 @@
 # include special
 if (CMAKE_VERSION VERSION_LESS "2.8.3")
 	message (STATUS "Enabling compatibility modules for CMake 2.8.3")
-	list (APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/compat-2.8.3")
+	list (APPEND CMAKE_MODULE_PATH "${OPM_MACROS_ROOT}/cmake/Modules/compat-2.8.3")
 endif (CMAKE_VERSION VERSION_LESS "2.8.3")
 
 if (CMAKE_VERSION VERSION_LESS "2.8.5")
 	message (STATUS "Enabling compatibility modules for CMake 2.8.5")
-	list (APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/compat-2.8.5")
+	list (APPEND CMAKE_MODULE_PATH "${OPM_MACROS_ROOT}/cmake/Modules/compat-2.8.5")
 endif (CMAKE_VERSION VERSION_LESS "2.8.5")	
 
 if (CMAKE_VERSION VERSION_LESS "2.8.7")
 	message (STATUS "Enabling compatibility modules for CMake 2.8.7")
-	list (APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/compat-2.8.7")
+	list (APPEND CMAKE_MODULE_PATH "${OPM_MACROS_ROOT}/cmake/Modules/compat-2.8.7")
 endif (CMAKE_VERSION VERSION_LESS "2.8.7")
 
 # don't write default flags into the cache, preserve that for user set values
diff --git a/cmake/Modules/OpmProject.cmake b/cmake/Modules/OpmProject.cmake
index 4ee05cac0..5f80a1a19 100644
--- a/cmake/Modules/OpmProject.cmake
+++ b/cmake/Modules/OpmProject.cmake
@@ -70,7 +70,7 @@ function (opm_cmake_config name)
   # assume that the template is located in cmake/Templates (cannot use
   # the current directory since this is in a function and the directory
   # at runtime not at definition will be used
-  set (template_dir "${PROJECT_SOURCE_DIR}/cmake/Templates")
+  set (template_dir "${OPM_MACROS_ROOT}/cmake/Templates")
 
   # write configuration file to locate library
   configure_cmake_file (${name} "config" "")
diff --git a/cmake/Modules/UseVersion.cmake b/cmake/Modules/UseVersion.cmake
index b77c5aac7..4954edf85 100644
--- a/cmake/Modules/UseVersion.cmake
+++ b/cmake/Modules/UseVersion.cmake
@@ -39,7 +39,7 @@ else ()
 	  -DPROJECT_SOURCE_DIR=${PROJECT_SOURCE_DIR}
 	  -DPROJECT_BINARY_DIR=${PROJECT_BINARY_DIR}
 	  -DPROJECT_LABEL=${${project}_LABEL}
-	  -P ${PROJECT_SOURCE_DIR}/cmake/Scripts/WriteVerSHA.cmake
+	  -P ${OPM_MACROS_ROOT}/cmake/Scripts/WriteVerSHA.cmake
 	  COMMENT "Updating version information"
 	  )