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Diffstat (limited to 'libs/backends/jack/jack_api.cc')
-rw-r--r--libs/backends/jack/jack_api.cc8
1 files changed, 8 insertions, 0 deletions
diff --git a/libs/backends/jack/jack_api.cc b/libs/backends/jack/jack_api.cc
index abf733d0f5..ce1109c7f0 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>
@@ -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; }