X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fbackends%2Fjack%2Fjack_api.cc;h=b63b1c1f69f8d0580623b351c395374b71ad2f4c;hb=c8c6bca6587450ff64303dbc994a4cd28d6ce7aa;hp=abf733d0f556332234118de419b9dc87bcfa357e;hpb=5399425f534e2d96d07cf29f427bfa0f39d904b7;p=ardour.git

diff --git a/libs/backends/jack/jack_api.cc b/libs/backends/jack/jack_api.cc
index abf733d0f5..b63b1c1f69 100644
--- a/libs/backends/jack/jack_api.cc
+++ b/libs/backends/jack/jack_api.cc
@@ -29,6 +29,7 @@ static boost::shared_ptr<AudioBackend> backend_factory (AudioEngine& ae);
 static int  instantiate (const std::string& arg1, const std::string& arg2);
 static int  deinstantiate ();
 static bool already_configured ();
+static bool available ();
 
 static ARDOUR::AudioBackendInfo _descriptor = {
 	"JACK",
@@ -36,6 +37,7 @@ static ARDOUR::AudioBackendInfo _descriptor = {
 	deinstantiate,
 	backend_factory,
 	already_configured,
+	available
 };
 
 static boost::shared_ptr<AudioBackend>
@@ -64,7 +66,7 @@ instantiate (const std::string& arg1, const std::string& arg2)
 	return 0;
 }
 
-static int 
+static int
 deinstantiate ()
 {
 	backend.reset ();
@@ -79,5 +81,11 @@ already_configured ()
 	return !JackConnection::in_control ();
 }
 
+static bool
+available ()
+{
+	return have_libjack() ? false : true;
+}
+
 extern "C" ARDOURBACKEND_API ARDOUR::AudioBackendInfo* descriptor() { return &_descriptor; }