streamline logic for setting waveform colors

[ardour.git] / gtk2_ardour / canvas-waveview.c

diff --git a/gtk2_ardour/canvas-waveview.c b/gtk2_ardour/canvas-waveview.c
index 108952454a0f574379e23f308f6917020fa7701e..6aff1be771c3ee77391a06a5c315ce22f53029fb 100644 (file)
--- a/gtk2_ardour/canvas-waveview.c
+++ b/gtk2_ardour/canvas-waveview.c
@@ -35,11 +35,11 @@
 /* POSIX guarantees casting between void* and function pointers, ISO C doesn't
  * We can work around warnings by going one step deeper in our casts
  */
-#ifdef _POSIX_VERSION
+#if defined(_POSIX_VERSION) || defined(COMPILER_MINGW)
 #define POSIX_FUNC_PTR_CAST(type, object) *((type*) &(object))
 #endif // _POSIX_VERSION
 
-extern void c_stacktrace();
+extern void c_stacktrace(void);
 
 enum {
         PROP_0,
@@ -338,7 +338,7 @@ gnome_canvas_waveview_set_gradient_waveforms (int yn)
 }
 
 GnomeCanvasWaveViewCache*
-gnome_canvas_waveview_cache_new ()
+gnome_canvas_waveview_cache_new (void)
 {
        GnomeCanvasWaveViewCache *c;