13 files changed, 18 insertions, 6 deletions
diff --git a/bin/autom4te.in b/bin/autom4te.in
index d98998de..0662767d 100644
--- a/bin/autom4te.in
+++ b/bin/autom4te.in
@@ -1,4 +1,4 @@
-#! @PERL@ -w
+#! @PERL@
 # -*- perl -*-
 # @configure_input@
 
@@ -43,6 +43,7 @@ use Autom4te::General;
 use Autom4te::XFile;
 use File::Basename;
 use strict;
+use warnings;
 
 # Data directory.
 my $pkgdatadir = $ENV{'AC_MACRODIR'} || '@pkgdatadir@';
diff --git a/bin/autoreconf.in b/bin/autoreconf.in
index 873ef7a4..eea69da4 100644
--- a/bin/autoreconf.in
+++ b/bin/autoreconf.in
@@ -1,4 +1,4 @@
-#! @PERL@ -w
+#! @PERL@
 # -*- perl -*-
 # @configure_input@
 
@@ -45,6 +45,7 @@ use Autom4te::XFile;
 # Do not use Cwd::chdir, since it might hang.
 use Cwd 'cwd';
 use strict;
+use warnings;
 
 ## ----------- ##
 ## Variables.  ##
diff --git a/bin/autoscan.in b/bin/autoscan.in
index 9780f7db..0026c428 100644
--- a/bin/autoscan.in
+++ b/bin/autoscan.in
@@ -1,4 +1,4 @@
-#! @PERL@ -w
+#! @PERL@
 # -*- perl -*-
 # @configure_input@
 
@@ -43,6 +43,7 @@ use Autom4te::XFile;
 use File::Basename;
 use File::Find;
 use strict;
+use warnings;
 
 use vars qw(@cfiles @makefiles @shfiles @subdirs %printed);
 
diff --git a/bin/autoupdate.in b/bin/autoupdate.in
index 16b88abb..af8dd55b 100644
--- a/bin/autoupdate.in
+++ b/bin/autoupdate.in
@@ -1,4 +1,4 @@
-#! @PERL@ -w
+#! @PERL@
 # -*- perl -*-
 # @configure_input@
 
@@ -44,6 +44,7 @@ use Autom4te::General;
 use Autom4te::XFile;
 use File::Basename;
 use strict;
+use warnings;
 
 # Lib files.
 my $autom4te = $ENV{'AUTOM4TE'} || '@bindir@/@autom4te-name@';
diff --git a/bin/ifnames.in b/bin/ifnames.in
index c0c1f58b..f60d3a0f 100644
--- a/bin/ifnames.in
+++ b/bin/ifnames.in
@@ -1,4 +1,4 @@
-#! @PERL@ -w
+#! @PERL@
 # -*- perl -*-
 # @configure_input@
 
@@ -44,6 +44,7 @@ BEGIN
 use Autom4te::General;
 use Autom4te::XFile;
 use Autom4te::FileUtils;
+use warnings;
 
 # $HELP
 # -----
diff --git a/lib/Autom4te/C4che.pm b/lib/Autom4te/C4che.pm
index 76486e6a..6226cd63 100644
--- a/lib/Autom4te/C4che.pm
+++ b/lib/Autom4te/C4che.pm
@@ -35,6 +35,7 @@ use Data::Dumper;
 use Autom4te::Request;
 use Carp;
 use strict;
+use warnings;
 
 =over 4
 
diff --git a/lib/Autom4te/ChannelDefs.pm b/lib/Autom4te/ChannelDefs.pm
index 7a93583f..c706b6dc 100644
--- a/lib/Autom4te/ChannelDefs.pm
+++ b/lib/Autom4te/ChannelDefs.pm
@@ -49,6 +49,7 @@ shorthand function to output on specific channels.
 
 use 5.006;
 use strict;
+use warnings;
 use Exporter;
 
 use vars qw (@ISA @EXPORT);
diff --git a/lib/Autom4te/Channels.pm b/lib/Autom4te/Channels.pm
index 345fc357..ffe7361c 100644
--- a/lib/Autom4te/Channels.pm
+++ b/lib/Autom4te/Channels.pm
@@ -68,6 +68,7 @@ etc.) that can also be overridden on a per-message basis.
 
 use 5.006;
 use strict;
+use warnings;
 use Exporter;
 use Carp;
 use File::Basename;
diff --git a/lib/Autom4te/Configure_ac.pm b/lib/Autom4te/Configure_ac.pm
index 93dae578..bf3ad99b 100644
--- a/lib/Autom4te/Configure_ac.pm
+++ b/lib/Autom4te/Configure_ac.pm
@@ -22,6 +22,7 @@ package Autom4te::Configure_ac;
 
 use 5.006;
 use strict;
+use warnings;
 use Exporter;
 use Autom4te::Channels;
 use Autom4te::ChannelDefs;
diff --git a/lib/Autom4te/FileUtils.pm b/lib/Autom4te/FileUtils.pm
index 3920fd0b..7b7959f9 100644
--- a/lib/Autom4te/FileUtils.pm
+++ b/lib/Autom4te/FileUtils.pm
@@ -36,6 +36,7 @@ This perl module provides various general purpose file handling functions.
 
 use 5.006;
 use strict;
+use warnings;
 use Exporter;
 use File::stat;
 use IO::File;
diff --git a/lib/Autom4te/General.pm b/lib/Autom4te/General.pm
index 4f397b0c..76dbd426 100644
--- a/lib/Autom4te/General.pm
+++ b/lib/Autom4te/General.pm
@@ -43,7 +43,7 @@ use File::stat;
 use IO::File;
 use Carp;
 use strict;
-
+use warnings;
 use vars qw (@ISA @EXPORT);
 
 @ISA = qw (Exporter);
diff --git a/lib/Autom4te/Request.pm b/lib/Autom4te/Request.pm
index cf647361..5db75463 100644
--- a/lib/Autom4te/Request.pm
+++ b/lib/Autom4te/Request.pm
@@ -33,6 +33,7 @@ used in several executables of the Autoconf and Automake packages.
 =cut
 
 use strict;
+use warnings;
 use Class::Struct;
 use Carp;
 use Data::Dumper;
diff --git a/lib/Autom4te/XFile.pm b/lib/Autom4te/XFile.pm
index b125a798..538d383b 100644
--- a/lib/Autom4te/XFile.pm
+++ b/lib/Autom4te/XFile.pm
@@ -71,6 +71,7 @@ and C<getlines> methods to translate C<\r\n> to C<\n>.
 
 use 5.006;
 use strict;
+use warnings;
 use vars qw($VERSION @EXPORT @EXPORT_OK $AUTOLOAD @ISA);
 use Carp;
 use Errno;