Update m4

[m6w6/libmemcached] / m4 / ax_hex_version.m4

diff --git a/m4/ax_hex_version.m4 b/m4/ax_hex_version.m4
index bf1bcc1c00966654aaf9c3a2c0ff3c28e2a1f6e2..48d3a7370258e4988907657adac86bb8c33a25a0 100644 (file)
--- a/m4/ax_hex_version.m4
+++ b/m4/ax_hex_version.m4
@@ -19,9 +19,10 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 2
+#serial 3
  
-AC_DEFUN([AX_HEX_VERSION],[
+AC_DEFUN([AX_HEX_VERSION],
+    [AC_PREREQ([2.63])dnl
 
     string_version_$1=`echo $2 | sed 's|[\-a-z0-9]*$||' | awk -F. '{printf "%d.%d.%d", $[]1, $[]2, $[]3}'`
     hex_version_$1=`echo $2 | sed 's|[\-a-z0-9]*$||' | awk -F. '{printf "0x%0.2d%0.3d%0.3d", $[]1, $[]2, $[]3}'`