diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb3b5d8581cee9f31c0c3c6456b1d5a44e8b7d3a..c4e6091c4706abe9f879be319aa06ab5e1423c5c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -83,6 +83,9 @@ ENDIF(NOT KWSYS_NAMESPACE)
 # The project name is that of the specified namespace.
 PROJECT(${KWSYS_NAMESPACE})
 
+# Do full dependency headers.
+INCLUDE_REGULAR_EXPRESSION("^.*$")
+
 # Work-around for CMake 1.6.7 bug in custom command dependencies when
 # there is no executable output path.
 IF(NOT EXECUTABLE_OUTPUT_PATH)
@@ -189,11 +192,11 @@ SET(KWSYS_CLASSES)
 SET(KWSYS_H_FILES)
 SET(KWSYS_HXX_FILES Configure)
 
-# Enforce component dependencies.
-IF(KWSYS_USE_SystemTools)
-  SET(KWSYS_USE_Directory 1)
-  SET(KWSYS_USE_RegularExpression 1)
-ENDIF(KWSYS_USE_SystemTools)
+# Enforce component dependencies (none currently exists).
+#IF(KWSYS_USE_SystemTools)
+#  SET(KWSYS_USE_Directory 1)
+#  SET(KWSYS_USE_RegularExpression 1)
+#ENDIF(KWSYS_USE_SystemTools)
 
 # Add selected C++ classes.
 FOREACH(c Directory RegularExpression SystemTools)