[pacman-dev] [PATCH 1/1] autoconf: bump AC_PREREQ to 2.64

[Huáng Jùnliàng]

The acinclude.m4 uses AS_VAR_APPEND macro. This marco is introduced in 2.64[1], hence we bump AC_PREREQ to 2.64 to avoid undefined marco on 2.63 autoconf.

[1] https://lists.gnu.org/archive/html/autoconf/2009-07/msg00079.html

Signed-off-by: Huáng Jùnliàng <i at jhuang.me>
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 86f5bb6e..f6d5f819 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 # Minimum version of autoconf required
-AC_PREREQ(2.62)
+AC_PREREQ(2.64)
 
 # UPDATING VERSION NUMBERS FOR RELEASES
 #
-- 
2.16.1