18 files changed, 25 insertions, 25 deletions
diff --git a/t/ax/am-test-lib.sh b/t/ax/am-test-lib.sh
index f85c1b535..3c4bf0120 100644
--- a/t/ax/am-test-lib.sh
+++ b/t/ax/am-test-lib.sh
@@ -13,7 +13,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 ########################################################
 ###  IMPORTANT NOTE: keep this file 'set -e' clean.  ###
@@ -102,7 +102,7 @@ is_blocked_signal ()
 {
   # Use perl, since trying to do this portably in the shell can be
   # very tricky, if not downright impossible.  For reference, see:
-  # <http://lists.gnu.org/archive/html/bug-autoconf/2011-09/msg00004.html>
+  # <https://lists.gnu.org/archive/html/bug-autoconf/2011-09/msg00004.html>
   if $PERL -w -e '
     use strict;
     use warnings FATAL => "all";
diff --git a/t/ax/cc-no-c-o.in b/t/ax/cc-no-c-o.in
index 9bc802acd..fd51482e4 100644
--- a/t/ax/cc-no-c-o.in
+++ b/t/ax/cc-no-c-o.in
@@ -12,7 +12,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # A "C compiler" that chokes when the '-c' and '-o' options are passed
 # together to it on the command line.  See also automake bug#13378.
diff --git a/t/ax/deltree.pl b/t/ax/deltree.pl
index 5148dc2d6..f239057aa 100644
--- a/t/ax/deltree.pl
+++ b/t/ax/deltree.pl
@@ -15,7 +15,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 use strict;
 use warnings FATAL => 'all';
diff --git a/t/ax/depcomp.sh b/t/ax/depcomp.sh
index 9d0036cdf..09cf99933 100644
--- a/t/ax/depcomp.sh
+++ b/t/ax/depcomp.sh
@@ -12,7 +12,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Check dependency tracking in various flavours.
 # Contains both libtool and non-libtool case.
@@ -22,7 +22,7 @@
 
 # -------------------------------------------------------------------------
 
-# <http://lists.gnu.org/archive/html/automake-patches/2011-04/msg00028.html>
+# <https://lists.gnu.org/archive/html/automake-patches/2011-04/msg00028.html>
 #
 # Here's the bug: makedepend will prefix VPATH to the object file name,
 # thus the second make will invoke depcomp with object='../../src/foo.o',
@@ -34,8 +34,8 @@
 
 # -------------------------------------------------------------------------
 
-# <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8473>
-# <http://lists.gnu.org/archive/html/automake-patches/2011-04/msg00079.html>
+# <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=8473>
+# <https://lists.gnu.org/archive/html/automake-patches/2011-04/msg00079.html>
 #
 # Here's the bug: hp depmode will prefix VPATH to the object file name,
 # thus the second gmake will invoke depcomp with object='../../src/foo.o',
@@ -49,8 +49,8 @@
 
 # -------------------------------------------------------------------------
 
-# <http://lists.gnu.org/archive/html/automake-patches/2011-04/msg00140.html>
-# <http://lists.gnu.org/archive/html/automake-patches/2011-05/msg00019.html>
+# <https://lists.gnu.org/archive/html/automake-patches/2011-04/msg00140.html>
+# <https://lists.gnu.org/archive/html/automake-patches/2011-05/msg00019.html>
 #
 # A partial failure of an earlier version of this test; some bad
 # post-processing of the '*.Po' files led to the following broken
diff --git a/t/ax/distcheck-hook-m4.am b/t/ax/distcheck-hook-m4.am
index f71793782..321d3923c 100644
--- a/t/ax/distcheck-hook-m4.am
+++ b/t/ax/distcheck-hook-m4.am
@@ -13,7 +13,7 @@
 ## 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, see <http://www.gnu.org/licenses/>.
+## along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 AUTOMAKE_OPTIONS = -Wno-obsolete
 
diff --git a/t/ax/extract-testsuite-summary.pl b/t/ax/extract-testsuite-summary.pl
index 180f53926..284eefdcf 100644
--- a/t/ax/extract-testsuite-summary.pl
+++ b/t/ax/extract-testsuite-summary.pl
@@ -15,7 +15,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 use warnings FATAL => 'all';
 use strict;
diff --git a/t/ax/is b/t/ax/is
index c085793b5..ba6ea4445 100755
--- a/t/ax/is
+++ b/t/ax/is
@@ -12,7 +12,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Test that two whitespace-separated lists are equal.
 # Assumes the two lists are passed on the command line separated by
diff --git a/t/ax/is_newest b/t/ax/is_newest
index 1cf0da1c9..e62c132d1 100755
--- a/t/ax/is_newest
+++ b/t/ax/is_newest
@@ -12,7 +12,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Usage: is_newest FILE FILES
 # Fail if any file in FILES is newer than FILE, and print the list of
diff --git a/t/ax/runtest.in b/t/ax/runtest.in
index 7caceb2a9..80a6b1a29 100644
--- a/t/ax/runtest.in
+++ b/t/ax/runtest.in
@@ -14,7 +14,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Run an Automake test from the command line.
 
diff --git a/t/ax/shell-no-trail-bslash.in b/t/ax/shell-no-trail-bslash.in
index eefd90ea3..fc7b54107 100644
--- a/t/ax/shell-no-trail-bslash.in
+++ b/t/ax/shell-no-trail-bslash.in
@@ -12,7 +12,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # A "shell" that chokes on '-c' commands and/or shell scripts having
 # a trailing '\' character (possibly followed by whitespace only).
diff --git a/t/ax/tap-functions.sh b/t/ax/tap-functions.sh
index 17a6c11b3..efa85a42d 100644
--- a/t/ax/tap-functions.sh
+++ b/t/ax/tap-functions.sh
@@ -13,7 +13,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Helper functions used by TAP-producing tests of the Automake testsuite.
 
diff --git a/t/ax/tap-setup.sh b/t/ax/tap-setup.sh
index 0eae2a386..64580c4cf 100644
--- a/t/ax/tap-setup.sh
+++ b/t/ax/tap-setup.sh
@@ -12,7 +12,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Auxiliary shell script that copies the common data and files used by
 # many tests on TAP support into the current directory.  It should be
diff --git a/t/ax/tap-summary-aux.sh b/t/ax/tap-summary-aux.sh
index 1f22f3fe7..f0c31aa63 100644
--- a/t/ax/tap-summary-aux.sh
+++ b/t/ax/tap-summary-aux.sh
@@ -12,7 +12,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Auxiliary script for tests on TAP support: checking testsuite summary.
 
diff --git a/t/ax/test-defs.in b/t/ax/test-defs.in
index 8cace053b..04d952133 100644
--- a/t/ax/test-defs.in
+++ b/t/ax/test-defs.in
@@ -14,7 +14,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Defines and minimal setup for Automake testing environment.
 
@@ -187,7 +187,7 @@ sleep='sleep ''@MODIFICATION_DELAY@'
 # An old timestamp that can be given to a file, in "touch -t" format.
 # The time stamp should be portable to all file systems of interest.
 # Just for fun, choose the exact time of the announcement of the GNU project
-# in UTC; see <http://www.gnu.org/gnu/initial-announcement.html>.
+# in UTC; see <https://www.gnu.org/gnu/initial-announcement.html>.
 old_timestamp=198309271735.59
 
 # Make our wrapper script (or installed scripts, if running under
diff --git a/t/ax/test-init.sh b/t/ax/test-init.sh
index bf9017f4c..4311fb7c9 100644
--- a/t/ax/test-init.sh
+++ b/t/ax/test-init.sh
@@ -13,7 +13,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 set -e
 
diff --git a/t/ax/test-lib.sh b/t/ax/test-lib.sh
index 2ed15dcf9..5882ef052 100644
--- a/t/ax/test-lib.sh
+++ b/t/ax/test-lib.sh
@@ -13,7 +13,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 ########################################################
 ###  IMPORTANT NOTE: keep this file 'set -e' clean.  ###
diff --git a/t/ax/testsuite-summary-checks.sh b/t/ax/testsuite-summary-checks.sh
index 1d4b9f5cb..0078d1ccf 100644
--- a/t/ax/testsuite-summary-checks.sh
+++ b/t/ax/testsuite-summary-checks.sh
@@ -12,7 +12,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Check the testsuite summary with the parallel test harness.  This
 # script is meant to be sourced by other test script, so that it can
diff --git a/t/ax/trivial-test-driver b/t/ax/trivial-test-driver
index 8885fb331..5745fe3d9 100644
--- a/t/ax/trivial-test-driver
+++ b/t/ax/trivial-test-driver
@@ -12,7 +12,7 @@
 # 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, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #
 # Test driver for a very simple test protocol used by the Automake