1 files changed, 5 insertions, 1 deletions
diff --git a/pkgs/development/perl-modules/generic/default.nix b/pkgs/development/perl-modules/generic/default.nix
index 6de9685715d..9ff63c14e51 100644
--- a/pkgs/development/perl-modules/generic/default.nix
+++ b/pkgs/development/perl-modules/generic/default.nix
@@ -5,6 +5,10 @@
 , outputs ? [ "out" "devdoc" ]
 , src ? null
 
+# enabling or disabling does nothing for perl packages so set it explicitly
+# to false to not change hashes when enableParallelBuildingByDefault is enabled
+, enableParallelBuilding ? false
+
 , doCheck ? true
 , checkTarget ? "test"
 
@@ -51,7 +55,7 @@ lib.warnIf (attrs ? name) "builtPerlPackage: `name' (\"${attrs.name}\") is depre
 
     fullperl = buildPerl;
 
-    inherit outputs src doCheck checkTarget;
+    inherit outputs src doCheck checkTarget enableParallelBuilding;
     inherit PERL_AUTOINSTALL AUTOMATED_TESTING PERL_USE_UNSAFE_INC;
 
     meta = defaultMeta // (attrs.meta or { });