fix up build paths
diff --git a/releng.control/checkout.xml b/releng.control/checkout.xml
index 081bdf8..a3fd32b 100644
--- a/releng.control/checkout.xml
+++ b/releng.control/checkout.xml
@@ -65,14 +65,14 @@
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengjsf}"
+            package="${env.RELENGJSF}"
             dest="${codir}"
             tag="HEAD" />
         <cvs
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengdali}"
+            package="${env.RELENGDALI}"
             dest="${codir}"
             tag="HEAD" />
     </target>
@@ -85,14 +85,14 @@
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengjsf}"
+            package="${env.RELENGJSF}"
             dest="${codir}"
             tag="HEAD" />
         <cvs
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengdali}"
+            package="${env.RELENGDALI}"
             dest="${codir}"
             tag="HEAD" />
     </target>
@@ -105,14 +105,14 @@
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengjsf}"
+            package="${env.RELENGJSF}"
             dest="${codir}"
             tag="HEAD" />
         <cvs
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengdali}"
+            package="${env.RELENGDALI}"
             dest="${codir}"
             tag="HEAD" />
     </target>
@@ -126,7 +126,7 @@
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="$${env.releng}"
+            package="${env.RELENG}"
             dest="${codir}"
             tag="R1_5_maintenance" />
     </target>
@@ -138,21 +138,21 @@
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="$${env.releng}"
+            package="${env.RELENG}"
             dest="${codir}"
             tag="R2_0_maintenance" />
         <cvs
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengdali}"
+            package="${env.RELENGDALI}"
             dest="${codir}"
             tag="R1_0_maintenance" />
         <cvs
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengjsf}"
+            package="${env.RELENGJSF}"
             dest="${codir}"
             tag="R1_0_maintenance" />
     </target>
@@ -161,21 +161,21 @@
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="$${env.releng}"
+            package="${env.RELENG}"
             dest="${codir}"
             tag="R2_0_maintenance" />
         <cvs
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengdali}"
+            package="${env.RELENGDALI}"
             dest="${codir}"
             tag="R1_0_maintenance" />
         <cvs
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengjsf}"
+            package="${env.RELENGJSF}"
             dest="${codir}"
             tag="R1_0_maintenance" />
     </target>
@@ -188,7 +188,7 @@
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="$${env.releng}"
+            package="${env.RELENG}"
             dest="${codir}"
             tag="R1_5_maintenance" />
     </target>
@@ -197,7 +197,7 @@
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="$${env.releng}"
+            package="${env.RELENG}"
             dest="${codir}"
             tag="R1_5_maintenance_patches" />
     </target>
@@ -226,7 +226,7 @@
         <!-- This is a special property file, that contains (only) the
             value of wtpBuilderVersion. Then, that version of the builder
             is fetched to control the rest of the build -->
-        <property file="${codir}/$${env.releng}/maps/build.cfg" />
+        <property file="${codir}/${env.RELENG}/maps/build.cfg" />
         <delete
             dir="${codir}/releng.wtpbuilder"
             failonerror="false" />
@@ -236,7 +236,7 @@
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"
             cvsRoot="${mapCvsRoot}"
-            package="${env.relengwtpbuilder}"
+            package="${env.RELENGWTPBUILDER}"
             dest="${codir}"
             tag="${wtpBuilderVersion}" />
     </target>
@@ -257,11 +257,11 @@
         name="initBuilders"
         depends="check.clean"
         if="doClean">
-        <echo message="Version tag for $${env.releng}: ${mapVersionTag}" />
+        <echo message="Version tag for ${env.RELENG}: ${mapVersionTag}" />
         <cvs
             quiet="true"
             cvsRoot="${mapCvsRoot}"
-            package="$${env.releng}"
+            package="${env.RELENG}"
             dest="${codir}"
             tag="${mapVersionTag}" />
     </target>