Generate copyright year properly

Output copyright year depends on any input file(s) and the script.
This is not perfect, but better than what we had.
Also run 'make update'

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5350)

5 files changed, 25 insertions, 7 deletions

diff --git a/crypto/objects/obj_dat.h b/crypto/objects/obj_dat.h
index 772445385c..61b12bf0c1 100644
--- a/crypto/objects/obj_dat.h
+++ b/crypto/objects/obj_dat.h
@@ -2,7 +2,7 @@
  * WARNING: do not edit!
  * Generated by crypto/objects/obj_dat.pl
  *
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
diff --git a/crypto/objects/obj_dat.pl b/crypto/objects/obj_dat.pl
index 947cceed1d..19137b1413 100644
--- a/crypto/objects/obj_dat.pl
+++ b/crypto/objects/obj_dat.pl
@@ -36,6 +36,10 @@ sub der_it
     return $ret;
 }
 
+# Output year depends on the year of the script and the input file.
+my $YEAR = [localtime([stat($0)]->[9])]->[5] + 1900;
+my $iYEAR = [localtime([stat($ARGV[0])]->[9])]->[5] + 1900;
+$YEAR = $iYEAR if $iYEAR > $YEAR;
 
 # Read input, parse all #define's into OID name and value.
 # Populate %ln and %sn with long and short names (%dupln and %dupsn)
@@ -149,12 +153,12 @@ for (my $i = 0; $i < $n; $i++) {
 
 # Finally ready to generate the output.
 open(OUT, ">$ARGV[1]") || die "Can't open output file $ARGV[1], $!";
-print OUT <<'EOF';
+print OUT <<"EOF";
 /*
  * WARNING: do not edit!
  * Generated by crypto/objects/obj_dat.pl
  *
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-$YEAR The OpenSSL Project Authors. All Rights Reserved.
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
diff --git a/crypto/objects/obj_xref.h b/crypto/objects/obj_xref.h
index fe5c0068fd..ebd5bf5a9f 100644
--- a/crypto/objects/obj_xref.h
+++ b/crypto/objects/obj_xref.h
@@ -2,7 +2,7 @@
  * WARNING: do not edit!
  * Generated by objxref.pl
  *
- * Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1998-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
diff --git a/crypto/objects/objects.pl b/crypto/objects/objects.pl
index 6598b5e700..b9e8890b46 100644
--- a/crypto/objects/objects.pl
+++ b/crypto/objects/objects.pl
@@ -6,6 +6,13 @@
 # in the file LICENSE in the source distribution or at
 # https://www.openssl.org/source/license.html
 
+# Output year depends on the year of the script and the input files.
+my $YEAR = [localtime([stat($0)]->[9])]->[5] + 1900;
+my $iYEAR = [localtime([stat($ARGV[0])]->[9])]->[5] + 1900;
+$YEAR = $iYEAR if $iYEAR > $YEAR;
+$iYEAR = [localtime([stat($ARGV[1])]->[9])]->[5] + 1900;
+$YEAR = $iYEAR if $iYEAR > $YEAR;
+
 open (NUMIN,"$ARGV[1]") || die "Can't open number file $ARGV[1]";
 $max_nid=0;
 $o=0;
@@ -124,12 +131,12 @@ foreach (sort { $a <=> $b } keys %nidn)
 close NUMOUT;
 
 open (OUT,">$ARGV[2]") || die "Can't open output file $ARGV[2]";
-print OUT <<'EOF';
+print OUT <<"EOF";
 /*
  * WARNING: do not edit!
  * Generated by crypto/objects/objects.pl
  *
- * Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2000-$YEAR The OpenSSL Project Authors. All Rights Reserved.
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
diff --git a/crypto/objects/objxref.pl b/crypto/objects/objxref.pl
index 53f9bd604c..6a33130c6f 100644
--- a/crypto/objects/objxref.pl
+++ b/crypto/objects/objxref.pl
@@ -14,6 +14,13 @@ my %oid_tbl;
 
 my ($mac_file, $xref_file) = @ARGV;
 
+# Output year depends on the year of the script and the input file.
+my $YEAR = [localtime([stat($0)]->[9])]->[5] + 1900;
+my $iYEAR = [localtime([stat($mac_file)]->[9])]->[5] + 1900;
+$YEAR = $iYEAR if $iYEAR > $YEAR;
+$iYEAR = [localtime([stat($xref_file)]->[9])]->[5] + 1900;
+$YEAR = $iYEAR if $iYEAR > $YEAR;
+
 open(IN, $mac_file) || die "Can't open $mac_file, $!\n";
 
 # Read in OID nid values for a lookup table.
@@ -71,7 +78,7 @@ print <<EOF;
  * WARNING: do not edit!
  * Generated by $pname
  *
- * Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1998-$YEAR The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy