configure.ac: libserialport is optional.

[libsigrok.git] / std.c

diff --git a/std.c b/std.c
index 22123fc5d743dc527ca31af3e3cdca549cf8b31d..44435be22520745d460dc66ffe4d64a80449568c 100644 (file)
--- a/std.c
+++ b/std.c
@@ -101,6 +101,8 @@ SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
        return SR_OK;
 }
 
+#ifdef HAVE_LIBSERIALPORT
+
 /*
  * Standard sr_session_stop() API helper.
  *
@@ -163,6 +165,8 @@ SR_PRIV int std_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
        return SR_OK;
 }
 
+#endif
+
 /*
  * Standard driver dev_clear() helper.
  *
@@ -203,10 +207,12 @@ SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
                        driver->dev_close(sdi);
 
                if (sdi->conn) {
-                        if (sdi->inst_type == SR_INST_SERIAL)
+#if HAVE_LIBSERIALPORT
+                       if (sdi->inst_type == SR_INST_SERIAL)
                                sr_serial_dev_inst_free(sdi->conn);
+#endif
 #if HAVE_LIBUSB_1_0
-                       else if (sdi->inst_type == SR_INST_USB)
+                       if (sdi->inst_type == SR_INST_USB)
                                sr_usb_dev_inst_free(sdi->conn);
 #endif
                }