diff --git a/configure b/configure
index 150b402332..1baeca936a 100755
--- a/configure
+++ b/configure
@@ -5960,6 +5960,7 @@ trap 'rm -fr `echo "          Makefile
 	  po/Makefile.in
           rpm/Makefile
           src/Makefile
+          src/calculation/Makefile 
           src/doc/Makefile
           src/engine/Makefile
           src/engine/sql/Makefile
@@ -6149,6 +6150,7 @@ CONFIG_FILES=\${CONFIG_FILES-"Makefile
 	  po/Makefile.in
           rpm/Makefile
           src/Makefile
+          src/calculation/Makefile 
           src/doc/Makefile
           src/engine/Makefile
           src/engine/sql/Makefile
diff --git a/configure.in b/configure.in
index d6375865e9..05b3bcb3d0 100644
--- a/configure.in
+++ b/configure.in
@@ -418,6 +418,7 @@ AC_OUTPUT(
 	  po/Makefile.in
           rpm/Makefile
           src/Makefile
+          src/calculation/Makefile 
           src/doc/Makefile
           src/engine/Makefile
           src/engine/sql/Makefile