m4: Refresh macros from autoconf-archive commit fd1d25c148

[empserver] / m4 / ax_require_defined.m4

diff --git a/m4/ax_require_defined.m4 b/m4/ax_require_defined.m4
index cae11112d9016223f52f57ce2d588a7cb875d0fe..17c3eab7dafde6c1358c7c189bbe44a6e14995a7 100644 (file)
--- a/m4/ax_require_defined.m4
+++ b/m4/ax_require_defined.m4
@@ -1,5 +1,5 @@
 # ===========================================================================
-#    http://www.gnu.org/software/autoconf-archive/ax_require_defined.html
+#    https://www.gnu.org/software/autoconf-archive/ax_require_defined.html
 # ===========================================================================
 #
 # SYNOPSIS
@@ -30,7 +30,7 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 1
+#serial 2
 
 AC_DEFUN([AX_REQUIRE_DEFINED], [dnl
   m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])])