Migrate the prompt bypassing code out of the 5.5+ Makefile generator

and into the base Makefile.PL.  This is the code that skips
interaction if STDIN isn't a terminal, or if --default is specified.

Makefile.PL

@@ -4,6 +4,36 @@ use strict;
 use ExtUtils::MakeMaker;
 use Config;
 
+# Switch to default behavior if STDIN isn't a tty.
+unless (-t STDIN) {
+  warn(
+    "\n",
+    "====================================================================\n",
+    "\n",
+    "Assuming --default because standard input is not a terminal.\n",
+    "\n",
+    "====================================================================\n",
+    "\n",
+  );
+  push @ARGV, "--default";
+}
+
+unless (grep /^--default$/, @ARGV) {
+  warn(
+    "\n",
+    "====================================================================\n",
+    "\n",
+    "Prompts may be bypassed by running:\n",
+    "   $^X $0 --default\n",
+     "\n",
+    "Only necessary modules will be installed by default.\n",
+    "\n",
+    "====================================================================\n",
+    "\n",
+  );
+}
+
+
 my $prompt = qq|
 POE's test suite requires a functional network.
 However, we can skip those tests requiring network

mylib/Makefile-5005.pm

@@ -4,57 +4,28 @@
 use strict;
 
 use lib qw(./mylib);
+
 use ExtUtils::MakeMaker;
 use File::Find;
 use File::Spec;
 
-# Switch to default behavior if STDIN isn't a tty.
-unless (-t STDIN) {
-  warn(
-    "\n",
-    "======================================================================\n",
-    "\n",
-    "Standard input is not a terminal/console.  Reverting to --default\n",
-    "behavior to avoid the prompts.\n",
-    "\n",
-    "======================================================================\n",
-    "\n",
-  );
-  push @ARGV, "--default";
-}
-
 eval "require ExtUtils::AutoInstall";
 if ($@) {
   warn(
     "\n",
-    "==================================================================\n",
+    "====================================================================\n",
     "\n",
     "POE's installer magic requires ExtUtils::AutoInstall.  POE comes\n",
     "with an older version, but it will not be installed.  You should\n",
     "install the most recent ExtUtils::AutoInstall at your convenience.\n",
     "\n",
-    "==================================================================\n",
+    "====================================================================\n",
     "\n",
   );
   eval "require './mylib/ExtUtils/AutoInstall.pm'";
   die if $@;
 }
 
-unless (grep /^--default$/, @ARGV) {
-  print(
-    "\n",
-    "=================================================================\n",
-    "\n",
-    "If the prompts are annoying, they can be bypassed by running\n",
-    "\t$^X $0 --default\n",
-     "\n",
-    "Only necessary modules are installed by default.\n",
-    "\n",
-    "=================================================================\n",
-    "\n",
-  );
-}
-
 ExtUtils::AutoInstall->import(
   -version => '0.50',
   -core => [