...

diff --git a/m4/ax_prefix_config_h.m4 b/m4/ax_prefix_config_h.m4
index c17563f4411d8bf2edb1cd100a5e5afbdfbaa995..22acbac68d5e4f9628bf5087de862ecacea9c2ad 100644 (file)
--- a/m4/ax_prefix_config_h.m4
+++ b/m4/ax_prefix_config_h.m4
@@ -1,5 +1,5 @@
 # ===========================================================================
-#    http://www.gnu.org/software/autoconf-archive/ax_prefix_config_h.html
+#    https://www.gnu.org/software/autoconf-archive/ax_prefix_config_h.html
 # ===========================================================================
 #
 # SYNOPSIS
@@ -99,7 +99,7 @@
 #   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/>.
+#   with this program. If not, see <https://www.gnu.org/licenses/>.
 #
 #   As a special exception, the respective Autoconf Macro's copyright owner
 #   gives unlimited permission to copy, distribute and modify the configure
@@ -114,7 +114,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 15
+#serial 16
 
 AC_DEFUN([AX_PREFIX_CONFIG_H],[dnl
 AC_PREREQ([2.62])