Bump $File::Copy::VERSION

[perl5.git] / regen.pl

diff --git a/regen.pl b/regen.pl
index 1a479cb..8788668 100644 (file)
--- a/regen.pl
+++ b/regen.pl
@@ -1,5 +1,8 @@
 #!/usr/bin/perl -w
-require 5.003; # keep this compatible, an old perl is all we may have before
+#
+# regen.pl - a wrapper that runs all *.pl scripts to autogenerate files
+
+require 5.004; # keep this compatible, an old perl is all we may have before
                 # we build the new one
 
 # The idea is to move the regen_headers target out of the Makefile so that
@@ -9,54 +12,21 @@ require 5.003;       # keep this compatible, an old perl is all we may have before
 # anything else.
 
 use strict;
-my $perl = $^X;
-
-# keep warnings.pl in sync with the CPAN distribution by not requiring core
-# changes.  Um, what ?
-# safer_unlink ("warnings.h", "lib/warnings.pm");
-
-my %gen = (
-          'autodoc.pl'  => [qw[pod/perlapi.pod pod/perlintern.pod]],
-          'embed.pl'    => [qw[proto.h embed.h embedvar.h global.sym
-                               perlapi.h perlapi.c]],
-          'keywords.pl' => [qw[keywords.h]],
-          'opcode.pl'   => [qw[opcode.h opnames.h pp_proto.h pp.sym]],
-          'regcomp.pl'  => [qw[regnodes.h]],
-          'warnings.pl' => [qw[warnings.h lib/warnings.pm]],
-          'reentr.pl'   => [qw[reentr.c reentr.h]],
-          'overload.pl' => [qw[overload.c overload.h]],
-          );
 
-sub do_cksum {
-    my $pl = shift;
-    my %cksum;
-    for my $f (@{ $gen{$pl} }) {
-       local *FH;
-       if (open(FH, $f)) {
-           local $/;
-           $cksum{$f} = unpack("%32C*", <FH>);
-           close FH;
-       } else {
-           warn "$0: $f: $!\n";
-       }
-    }
-    return %cksum;
-}
-
-foreach my $pl (keys %gen) {
+my $tap = $ARGV[0] && $ARGV[0] eq '--tap' ? '# ' : '';
+foreach my $pl (map {chomp; "regen/$_"} <DATA>) {
   my @command =  ($^X, $pl, @ARGV);
-  print "@command\n";
-  my %cksum0;
-  %cksum0 = do_cksum($pl) unless $pl eq 'warnings.pl'; # the files were removed
-  system @command;
-  next if $pl eq 'warnings.pl'; # the files were removed
-  my %cksum1 = do_cksum($pl);
-  my @chg;
-  for my $f (@{ $gen{$pl} }) {
-      push(@chg, $f)
-         if !defined($cksum0{$f}) ||
-            !defined($cksum1{$f}) ||
-            $cksum0{$f} ne $cksum1{$f};
-  }
-  print "Changed: @chg\n" if @chg;
+  print "$tap@command\n";
+  system @command
+    and die "@command failed: $?" 
 }
+
+__END__
+mg_vtable.pl
+opcode.pl
+overload.pl
+reentr.pl
+regcomp.pl
+warnings.pl
+embed.pl
+feature.pl