X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fsignal.h;h=789b43601deff51dbe36c477a24b0c79f3df7b15;hp=18ff4b4d619239b233bc3bbad5f92b67efc0874a;hb=640d091b45b196cc586fbc6a7bec71c5c7d75544;hpb=49f8ff3fd225c72934eca725eacffb12b6542ebf;ds=sidebyside

diff --git a/pv/signal.h b/pv/signal.h
index 18ff4b4d..789b4360 100644
--- a/pv/signal.h
+++ b/pv/signal.h
@@ -18,6 +18,9 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#ifndef PULSEVIEW_PV_SIGNAL_H
+#define PULSEVIEW_PV_SIGNAL_H
+
 #include <boost/shared_ptr.hpp>
 
 #include <QPainter>
@@ -111,3 +114,5 @@ protected:
 };
 
 } // namespace pv
+
+#endif // PULSEVIEW_PV_SIGNAL_H