switch to using boost::signals2 instead of sigc++, at least for libardour. not finished yet, but compiles, loads sessions, records and can close a session without a crash

git-svn-id: svn://localhost/ardour2/branches/3.0@6372 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 4 insertions, 5 deletions

diff --git a/libs/ardour/ardour/audiosource.h b/libs/ardour/ardour/audiosource.h
index 328a23ac19..dfa103f2e3 100644
--- a/libs/ardour/ardour/audiosource.h
+++ b/libs/ardour/ardour/audiosource.h
@@ -27,8 +27,7 @@
 
 #include <glibmm/thread.h>
 #include <glibmm/ustring.h>
-
-#include <sigc++/signal.h>
+#include <boost/function.hpp>
 
 #include "ardour/source.h"
 #include "ardour/ardour.h"
@@ -73,10 +72,10 @@ class AudioSource : virtual public Source,
 			sframes_t start, nframes_t cnt, double samples_per_visual_peak) const;
 
 	int  build_peaks ();
-	bool peaks_ready (sigc::slot<void>, sigc::connection&) const;
+	bool peaks_ready (boost::function<void()> callWhenReady, boost::signals2::connection& connection_established_if_not_ready) const;
 
-	mutable sigc::signal<void>  PeaksReady;
-	mutable sigc::signal<void,nframes_t,nframes_t>  PeakRangeReady;
+	mutable boost::signals2::signal<void()>  PeaksReady;
+	mutable boost::signals2::signal<void(nframes_t,nframes_t)>  PeakRangeReady;
 
 	XMLNode& get_state ();
 	int set_state (const XMLNode&, int version);