* lib/count-one-bits.h: Add comments. (From Bruno Haible.)

[gnulib.git] / check-module

diff --git a/check-module b/check-module
index 026e41e..c3334f1 100755 (executable)
--- a/check-module
+++ b/check-module
@@ -1,4 +1,24 @@
 #!/usr/bin/perl -w
+# Check a gnulib module.
+
+# Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+
 # Read a module description file and derive the set of files
 # included directly by any .c or .h file listed in the `Files:' section.
 # Take the union of all such sets for any dependent modules.
@@ -21,7 +41,12 @@ use strict;
 use Getopt::Long;
 #use Coda;
 
-(my $VERSION = '$Revision: 1.4 $ ') =~ tr/[0-9].//cd;
+my $COPYRIGHT_NOTICE = "Copyright (C) 2006 Free Software Foundation, Inc.\n".
+"This is free software.  You may redistribute copies of it under the terms of\n".
+"the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.\n".
+"There is NO WARRANTY, to the extent permitted by law.\n";
+
+(my $VERSION = '$Revision: 1.8 $ ') =~ tr/[0-9].//cd;
 (my $ME = $0) =~ s|.*/||;
 
 use constant ST_INIT => 1;
@@ -73,6 +98,9 @@ sub parse_module_file ($)
          elsif ($state eq ST_DEPENDENTS)
            {
              $dep_set{$line} = 1;
+             (my $base = $module_file) =~ s,.*/,,;
+             $line eq $base
+               and die "$ME: module $module_file depends on itself\n";
            }
        }
     }
@@ -131,7 +159,8 @@ sub find_included_lib_files ($)
   my ($file) = @_;
 
   # Special cases...
-  my %special_non_dup = ( 'fnmatch_loop.c' => 1, 'regex.c' => 1 );
+  my %special_non_dup = ( 'fnmatch_loop.c' => 1,
+                         'regex.c' => 1, 'at-func.c' => 1 );
 
   my %inc;
   open FH, '<', $file
@@ -178,6 +207,19 @@ my %exempt_header =
    # The use of obstack.h in the hash module is conditional, off by default.
    'lib/hash.c:obstack.h' => 1,
 
+   # C files in the gc module have conditional includes.
+   'lib/gc-gnulib.c:des.h' => 1,
+   'lib/gc-gnulib.c:arcfour.h' => 1,
+   'lib/gc-gnulib.c:arctwo.h' => 1,
+   'lib/gc-gnulib.c:md2.h' => 1,
+   'lib/gc-gnulib.c:md4.h' => 1,
+   'lib/gc-gnulib.c:md5.h' => 1,
+   'lib/gc-gnulib.c:rijndael.h' => 1,
+   'lib/gc-gnulib.c:sha1.h' => 1,
+   'lib/gc-gnulib.c:rijndael-api-fst.h' => 1,
+   'lib/gc-gnulib.c:hmac.h' => 1,
+   'lib/gc-libgcrypt.c:md2.h' => 1,
+
    # The fts-lgpl module doesn't actually use fts-cycle.c and unistd-safer.h.
    'lib/fts.c:fts-cycle.c' => 1,
    'lib/fts.c:unistd-safer.h' => 1,
@@ -237,7 +279,7 @@ sub check_module ($)
   GetOptions
     (
      help => sub { usage 0 },
-     version => sub { print "$ME version $VERSION\n"; exit },
+     version => sub { print "$ME version $VERSION\n$COPYRIGHT_NOTICE"; exit },
     ) or usage 1;
 
   @ARGV < 1