Use AC_CONFIG_MACRO_DIR() instead of _DIRS().

The former is guaranteed to work with autoconf 2.58 and later, and we
don't have multiple m4 directories anyway.

diff --git a/configure.ac b/configure.ac
index f045798..04f16bf 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_CONFIG_SRCDIR([src/tincd.c])
 AC_GNU_SOURCE
 AM_INIT_AUTOMAKE([std-options subdir-objects -Wall])
 AC_CONFIG_HEADERS([config.h])
-AC_CONFIG_MACRO_DIRS([m4])
+AC_CONFIG_MACRO_DIR([m4])
 
 # Enable GNU extensions.
 # Define this here, not in acconfig's @TOP@ section, since definitions