secure_getenv \
])
+# ------------------------------------------------------------------------------
+
+AC_ARG_ENABLE([debug],
+ AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
+ [], [enable_debug=no])
+AS_IF([test "x$enable_debug" = "xyes"], [
+ AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
+])
+
# ------------------------------------------------------------------------------
AC_ARG_WITH([systemdsystemunitdir],
AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),