make it explicit that anon stash support requires 5.10

1 files changed, 5 insertions, 0 deletions

diff --git a/XS.xs b/XS.xs
index f636392..84f89f7 100644
--- a/XS.xs
+++ b/XS.xs
@@ -556,6 +556,10 @@ new(class, package)
         }
     }
     else if (SvROK(package) && SvTYPE(SvRV(package)) == SVt_PVHV) {
+#if PERL_VERSION < 10
+        croak("The XS implementation of Package::Stash does not support "
+              "anonymous stashes before perl 5.10");
+#else
         instance = newHV();
 
         if (!hv_store(instance, "namespace", 9, SvREFCNT_inc_simple_NN(package), 0)) {
@@ -563,6 +567,7 @@ new(class, package)
             SvREFCNT_dec(instance);
             croak("Couldn't initialize the 'namespace' key, hv_store failed");
         }
+#endif
     }
     else {
         croak("Package::Stash->new must be passed the name of the package to access");