pkgs/development/interpreters/perl/sw_vers.patch

   1 diff --git a/hints/darwin.sh b/hints/darwin.sh
   2 index afadf53..80b7533 100644
   3 --- a/hints/darwin.sh
   4 +++ b/hints/darwin.sh
   5 @@ -329,7 +329,7 @@ EOM
   6      # sw_vers output                 what we want
   7      # "ProductVersion:    10.10.5"   "10.10"
   8      # "ProductVersion:    10.11"     "10.11"
   9 -        prodvers=`sw_vers|awk '/^ProductVersion:/{print $2}'|awk -F. '{print $1"."$2}'`
  10 +        prodvers="${MACOSX_DEPLOYMENT_TARGET:-10.12}"
  11      case "$prodvers" in
  12      10.*)
  13        add_macosx_version_min ccflags $prodvers