Fix Linux build.

diff --git a/src/wx/simple_video_view.cc b/src/wx/simple_video_view.cc
index 358e4268c37f13407562895c1261d831dd02bfb7..9ebb8c82fe2716a37214312da67f63ee0433c8b5 100644 (file)
--- a/src/wx/simple_video_view.cc
+++ b/src/wx/simple_video_view.cc
@@ -75,8 +75,14 @@ SimpleVideoView::paint ()
                dc.DrawBitmap (frame_bitmap, 0, max(0, (panel_size.GetHeight() - out_size.height) / 2));
        }
 
+#ifdef DCPOMATIC_OSX
        auto appearance = wxSystemSettings::GetAppearance();
-       auto const pad_colour = (_viewer->pad_black() || appearance.IsDark()) ? wxColour(0, 0, 0) : wxColour(240, 240, 240);
+       auto dark = appearance.IsDark();
+#else
+       auto dark = false;
+#endif
+
+       auto const pad_colour = (_viewer->pad_black() || dark) ? wxColour(0, 0, 0) : wxColour(240, 240, 240);
 
        if (out_size.width < panel_size.GetWidth()) {
                wxPen   p (pad_colour);