/* Define if you have the `popen' function. */
#undef HAVE_POPEN
+/* Define if you have the `setenv' function. */
+#undef HAVE_SETENV
+
+/* Define if you have the `unsetenv' function. */
+#undef HAVE_UNSETENV
+
/* Define if you have the <pthread.h> header file. */
#undef HAVE_PTHREAD_H