perl: add patch for sw_vers on darwin

Fixes #25090

pkgs/development/interpreters/perl/default.nix

@@ -36,7 +36,7 @@ let
         ./no-sys-dirs.patch
       ]
       ++ optional stdenv.isSunOS ./ld-shared.patch
-      ++ optional stdenv.isDarwin [ ./cpp-precomp.patch ];
+      ++ optional stdenv.isDarwin [ ./cpp-precomp.patch ./sw_vers.patch ];
 
     postPatch = ''
       pwd="$(type -P pwd)"

pkgs/development/interpreters/perl/sw_vers.patch

@@ -0,0 +1,13 @@
+diff --git a/hints/darwin.sh b/hints/darwin.sh
+index afadf53..80b7533 100644
+--- a/hints/darwin.sh
++++ b/hints/darwin.sh
+@@ -329,7 +329,7 @@ EOM
+     # sw_vers output                 what we want
+     # "ProductVersion:    10.10.5"   "10.10"
+     # "ProductVersion:    10.11"     "10.11"
+-        prodvers=`sw_vers|awk '/^ProductVersion:/{print $2}'|awk -F. '{print $1"."$2}'`
++        prodvers="10.10"
+     case "$prodvers" in
+     10.*)
+       add_macosx_version_min ccflags $prodvers