diff --git a/common/libs/func_validate_configs.sh b/common/libs/func_validate_configs.sh
index 01691c3..c37d1c9 100644
--- a/common/libs/func_validate_configs.sh
+++ b/common/libs/func_validate_configs.sh
@@ -80,6 +80,15 @@ inline_doc
     exit 1
   }
 
+# This function is only used when testing package management files.
+  write_pkg_and_die() {
+    echo -e "\n${DD_BORDER}"
+    echo    "Package management is requested but" >&2
+    echo -e $* >&2
+    echo -e "${DD_BORDER}\n"
+    exit 1
+  }
+
   validate_file() {
      # For parameters ending with a '+' failure causes a warning message only
      echo -n "`eval echo $PARAM_VALS`"
@@ -184,6 +193,28 @@ inline_doc
                echo
                ;;
 
+        # Case of PKGMNGT: two files, packageManager.xml and packInstall.sh
+        # must exist in $PKGMNGTDIR:
+      PKGMNGT) echo -e "`eval echo $PARAM_VALS`"
+               if [ ! -e "$PKGMNGTDIR/packageManager.xml" ]; then
+                 write_pkg_and_die $PKGMNGTDIR/packageManager.xml does not exist
+               fi
+               if [ ! -e "$PKGMNGTDIR/packInstall.sh" ]; then
+                 write_pkg_and_die $PKGMNGTDIR/packInstall.sh does not exist
+               fi
+               if [ ! -s "$PKGMNGTDIR/packageManager.xml" ]; then
+                 write_pkg_and_die $PKGMNGTDIR/packageManager.xml has zero size
+               fi
+               if [ ! -s "$PKGMNGTDIR/packInstall.sh" ]; then
+                 write_pkg_and_die $PKGMNGTDIR/packInstall.sh has zero size
+               fi
+               if [ ! -r "$PKGMNGTDIR/packageManager.xml" ]; then
+                 write_pkg_and_die $PKGMNGTDIR/packageManager.xml is not readable
+               fi
+               if [ ! -r "$PKGMNGTDIR/packInstall.sh" ]; then
+                 write_pkg_and_die $PKGMNGTDIR/packInstall.sh is not readable
+               fi
+               ;;
       # Display non-validated envars found in ${PROGNAME}_PARAM_LIST
       * ) echo -e "`eval echo $PARAM_VALS`" ;;
 
diff --git a/jhalfs b/jhalfs
index 5d2609f..3d52d54 100755
--- a/jhalfs
+++ b/jhalfs
@@ -382,9 +382,10 @@ if [[ "$REBUILD_MAKEFILE" = "n" ]] ; then
   #
 
   # Copy packageManager.xml, if needed
-  [[ "$PKGMNGT" = "y" ]] && [[ "$PROGNAME" = "lfs" ]] &&
-    cp $PKGMNGTDIR/packageManager.xml  $JHALFSDIR/ &&
+  [[ "$PKGMNGT" = "y" ]] && [[ "$PROGNAME" = "lfs" ]] && {
+    cp $PKGMNGTDIR/packageManager.xml  $JHALFSDIR/
     cp $PKGMNGTDIR/packInstall.sh  $JHALFSDIR/
+    }
   #
   # Copy urls.xsl, if needed
   [[ "$GETPKG" = "y" ]] && cp $COMMON_DIR/urls.xsl  $JHALFSDIR/