configure: modern c++ flags; suppress some libmemcached warnings

[awesomized/libmemcached] / m4 / ax_append_to_file.m4

diff --git a/m4/ax_append_to_file.m4 b/m4/ax_append_to_file.m4
index c88affb46caf15bfe110eff9f4dda7d41e2cd997..fca5708372eebc56287d05454e9eeaede852ce7d 100644 (file)
--- a/m4/ax_append_to_file.m4
+++ b/m4/ax_append_to_file.m4
@@ -1,5 +1,5 @@
 # ===========================================================================
-#     http://www.gnu.org/software/autoconf-archive/ax_append_to_file.html
+#    https://www.gnu.org/software/autoconf-archive/ax_append_to_file.html
 # ===========================================================================
 #
 # SYNOPSIS
@@ -19,9 +19,9 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 7
+#serial 9
 
 AC_DEFUN([AX_APPEND_TO_FILE],[
 AC_REQUIRE([AX_FILE_ESCAPES])
-printf "$2" >> "$1"
+printf "%s" "$2" >> "$1"
 ])