1 files changed, 6 insertions, 4 deletions
diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 94a801e4e81..2d01fa234b5 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -7,6 +7,8 @@
 
 {config, pkgs, fetchurl, fetchFromGitHub, stdenv, gnused, perl, overrides}:
 
+# cpan2nix assumes that perl-packages.nix will be used only with perl 5.26 or above
+assert stdenv.lib.versionAtLeast perl.version "5.26";
 let
   inherit (stdenv.lib) maintainers;
   self = _self // overrides;
@@ -1857,7 +1859,7 @@ let
       url = "mirror://cpan/authors/id/J/JS/JSWARTZ/${name}.tar.gz";
       sha256 = "c7f1a2b3570a8fede484e933f89ba1729e0abd05935791d146c522dd120ee851";
     };
-    preConfigure = stdenv.lib.optionalString (stdenv.lib.versionAtLeast perl.version "5.26") ''
+    preConfigure = ''
       # fix error 'Unescaped left brace in regex is illegal here in regex'
       substituteInPlace lib/CHI/t/Driver/Subcache/l1_cache.pm --replace 'qr/CHI stats: {' 'qr/CHI stats: \{'
     '';
@@ -2095,7 +2097,7 @@ let
       url = "mirror://cpan/authors/id/E/EV/EVO/${name}.tar.gz";
       sha256 = "0ricb0mn0i06ngfhq5y035yx8i7ahlx83yyqwixqmv6hg4p79b5c";
     };
-    preConfigure = stdenv.lib.optionalString (stdenv.lib.versionAtLeast perl.version "5.26") ''
+    preConfigure = ''
       # fix error 'Unescaped left brace in regex is illegal here in regex'
       substituteInPlace tests/xemulator/class_methodmaker/Test.pm --replace 's/(TEST\s{)/$1/g' 's/(TEST\s\{)/$1/g'
     '';
@@ -14825,7 +14827,7 @@ let
     meta = {
       description = "Aggregate C<*.t> tests to make them run faster";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
-      broken = stdenv.lib.versionAtLeast perl.version "5.26"; # This module only works with Test::More version < 1.3, but you have 1.302133
+      broken = true; # This module only works with Test::More version < 1.3, but you have 1.302133
     };
   };
 
@@ -16951,7 +16953,7 @@ let
      meta = {
        description = "Turns ref() into a multimethod";
        license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
-       broken = stdenv.lib.versionAtLeast perl.version "5.26"; # 'OP {aka struct op}' has no member named 'op_sibling'
+       broken = true; # 'OP {aka struct op}' has no member named 'op_sibling'
      };
   };