Libtool suggests we need to use AC_CONFIG_MACRO_DIR([m4]).

diff --git a/configure.ac b/configure.ac
index 1d66abb1336df0448ea93484000405ddb19b747d..454f2d9a77d0f3653a418f851a70abf0bab9e227 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -6,6 +6,7 @@ AC_CONFIG_SRCDIR([src/libmeshlink.c])
 AC_GNU_SOURCE
 AM_INIT_AUTOMAKE([check-news std-options subdir-objects -Wall])
 AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
 
 # Enable GNU extensions.
 # Define this here, not in acconfig's @TOP@ section, since definitions