diff --git a/build b/build
index 5e7febf..481d566 100755
--- a/build
+++ b/build
@@ -358,6 +358,10 @@ pmodules::compile() {
 		build Tcl
 	fi
 
+	if [[ ! -e "${PMODULES_HOME}/lib/tcllib1.20" ]] || [[ ${opt_force} == 'yes' ]]; then
+		build tcllib
+	fi
+
 	if [[ ! -e "${PMODULES_HOME}/libexec/modulecmd.bin" ]] || [[ ${opt_force} == 'yes' ]]; then
 		build modules
 	fi
@@ -493,6 +497,9 @@ pmodules::install() {
 	sed "${sed_cmd}" "${SRC_DIR}/modmanage.bash.in"   > "${PMODULES_HOME}/libexec/modmanage.bash"
 	chmod 0755 "${PMODULES_HOME}/libexec/modmanage.bash"
 
+	test -e "${PMODULES_ROOT}/${CONFIG_DIR}/Pmodules.conf" || \
+	    install -m 0644 "${SRC_DIR}/Pmodules.conf"	"${PMODULES_ROOT}/${CONFIG_DIR}"
+	
 	install -m 0644 "${SRC_DIR}/bash"		"${PMODULES_HOME}/init"
 	install -m 0644 "${SRC_DIR}/bash_completion"	"${PMODULES_HOME}/init"
 	install -m 0644 "${SRC_DIR}/csh"		"${PMODULES_HOME}/init"
diff --git a/config/versions.conf b/config/versions.conf
index 66ce460..670deb3 100644
--- a/config/versions.conf
+++ b/config/versions.conf
@@ -6,3 +6,4 @@ gettext		0.21
 modules		3.2.10.1
 Pmodules	1.0.0rc10
 Tcl		8.6.10
+tcllib		1.20