+AC_MSG_CHECKING([whether to enable supporting code for tests])
+AC_ARG_ENABLE([test-support],
+ [AS_HELP_STRING([--enable-test-support],
+ [Enable supporting code for tests (developers only)])],
+ [ENABLE_TEST_SUPPORT=$enableval],
+ [ENABLE_TEST_SUPPORT=no])
+AC_MSG_RESULT([$ENABLE_TEST_SUPPORT])
+if test "$ENABLE_TEST_SUPPORT" = "yes" ; then
+ AC_DEFINE([ENABLE_TEST_SUPPORT], [1],
+ [Define to 1 to enable supporting code for tests])
+fi
+AM_CONDITIONAL([ENABLE_TEST_SUPPORT], [test "$ENABLE_TEST_SUPPORT" = "yes"])
+