1 files changed, 5 insertions, 1 deletions

diff --git a/setenv.pl b/setenv.pl
index 6e9fab20c..e24d6f9b2 100755
--- a/setenv.pl
+++ b/setenv.pl
@@ -69,7 +69,11 @@ else {
 
     # we were just required - unload some modules to prevent old code
     # getting in the way of loading newer code from the newly set directories.
-    use Class::Unload;
+
+    # use an eval to prevent needing Class::Unload before perl-external properly
+    # setup
+    eval { use Class::Unload };
+    die $@ if $@;
 
     my @modules =
       sort