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-rw-r--r--m4/ax_caolan_check_package.m42
1 files changed, 2 insertions, 0 deletions
diff --git a/m4/ax_caolan_check_package.m4 b/m4/ax_caolan_check_package.m4
index 99d8522..c1eb58d 100644
--- a/m4/ax_caolan_check_package.m4
+++ b/m4/ax_caolan_check_package.m4
@@ -34,6 +34,8 @@
# and this notice are preserved. This file is offered as-is, without any
# warranty.
+#serial 4
+
AC_DEFUN([AX_caolan_CHECK_PACKAGE],
[