attempted fix for FLAC-sensitive build of libsndfile - link FLAC into ardour if it exists

git-svn-id: svn://localhost/ardour2/trunk@594 d708f5d6-7413-0410-9779-e7cbd77b26cf

SConstruct

@@ -425,6 +425,19 @@ else:
     
 libraries['usb'] = conf.Finish ()
 
+#
+# Check for FLAC
+
+libraries['flac'] = LibraryInfo ()
+
+conf = Configure (libraries['flac'])
+if conf.CheckLib ('FLAC', 'flac_buffer_copy'):
+    have_libusb = True
+else:
+    have_libusb = False
+    
+libraries['flac'] = conf.Finish ()
+
 #
 # Check for liblo
 

gtk2_ardour/SConscript

@@ -35,6 +35,7 @@ gtkardour.Merge ([
     libraries['libgnomecanvasmm'],
     libraries['sysmidi'],
     libraries['sndfile'],
+    libraries['flac'],
     libraries['lrdf'],
     libraries['glibmm2'],
     libraries['pangomm'],