Index: cadabra2-2.1.4/CMakeLists.txt
===================================================================
--- cadabra2-2.1.4.orig/CMakeLists.txt
+++ cadabra2-2.1.4/CMakeLists.txt
@@ -17,7 +17,7 @@ endif()
 if(GIT_COMMIT_DATE)
   set(CADABRA_VERSION_DATE "${GIT_COMMIT_DATE}")
 else()
-  execute(COMMAND date -I OUTPUT_VARIABLE THE_DATE OUTPUT_STRIP_TRAILING_WHITESPACE)
+  execute_process(COMMAND date -I OUTPUT_VARIABLE THE_DATE OUTPUT_STRIP_TRAILING_WHITESPACE)
   set(CADABRA_VERSION_DATE "${THE_DATE}") 
 endif()
 message("-- Building ${CADABRA_VERSION_MAJOR}.${CADABRA_VERSION_MINOR}.${CADABRA_VERSION_PATCH}")