Stefan Fiedler:

package/base/sysfiles/sysfiles.conf

@@ -137,9 +137,11 @@ EOT
 
 	echo "Exporting LINGUAS environment variable ..."
 	if [ "$ROCKCFG_LINGUAS" == "all" ] ; then
-		echo "# LINGUAS=" > $root/etc/profile.d/linguas
+		echo "# export LINGUAS=" > $root/etc/profile.d/linguas
+	elif [ "$ROCKCFG_LINGUAS" == "none" ] ; then
+		echo "export LINGUAS=" > $root/etc/profile.d/linguas
 	else
-		echo "LINGUAS=\"$ROCKCFG_LINGUAS\"" > $root/etc/profile.d/linguas
+		echo "export LINGUAS=\"$ROCKCFG_LINGUAS\"" > $root/etc/profile.d/linguas
 	fi
 
 	if [ $stagelevel -gt 1 ] ; then

scripts/config.hlp

@@ -76,6 +76,15 @@ ROCKCFG_TARGET
 	This target is intended to build a not blown up server distribution
 	to install web-, mail-, fileserver or similar.
 
+ROCKCFG_LINGUAS
+    Here you can choose the languages for which message translation
+    catalogs should be installed.
+
+    Note that not all programs provide translations for each language.
+
+    If set to 'all', all available translations will be installed, and
+    none if set to 'none'.
+
 ROCKCFG_PARALLEL
   Select this option if you want to perform a parallel build on several
   machines or if you build on a multiprocessor machine.

scripts/parse-config

@@ -97,6 +97,8 @@ export BUILDCXX="c++" BUILD_CXX="c++" HOSTCXX="c++" HOST_CXX="c++"
 
 if [ "$ROCKCFG_LINGUAS" == "all" ] ; then
 	unset LINGUAS
+elif [ "$ROCKCFG_LINGUAS" == "none" ] ; then
+	export LINGUAS=
 else
 	export LINGUAS="$ROCKCFG_LINGUAS"
 fi