add a real check for functioning JACK metadata API; remove configure time option...

[ardour.git] / libs / backends / jack / wscript

diff --git a/libs/backends/jack/wscript b/libs/backends/jack/wscript
index 5cf7e91f0261a526ba35629acc3bb0bdfac62718..2f3b349afe6238d82895dbb88cb0ca8aa633bcd6 100644 (file)
--- a/libs/backends/jack/wscript
+++ b/libs/backends/jack/wscript
@@ -5,11 +5,6 @@ import os
 import sys
 import re
 
-# Library version (UNIX style major, minor, micro)
-# major increment <=> incompatible changes
-# minor increment <=> compatible changes (additions)
-# micro increment <=> no interface changes
-JACKBACKEND_VERSION = '1.0.0'
 I18N_PACKAGE = 'jack-backend'
 
 # Mandatory variables
@@ -42,7 +37,15 @@ def configure(conf):
     else:
         conf.env['libjack_link'] = "link"
 
-
+    # Check that metadata API is available and working
+    conf.check_cxx(fragment = "#include <jack/jack.h>\n#include <jack/metadata.h>\nint main(void) { jack_port_uuid(NULL); return 0; }\n",
+                   mandatory = False,
+                   msg = 'Checking for JACK metadata API',
+                   okmsg = 'ok',
+                   errmsg = 'not found (or broken). JACK metadata API will not be used',
+                   define_name = 'HAVE_JACK_METADATA',
+                   linkflags=['-ljack'])
+    
 def build(bld):
     obj = bld(features = 'c cxx cxxshlib')
     obj.source = [ 
@@ -62,14 +65,18 @@ def build(bld):
                    ]
     obj.use      = 'libardour libpbd ardouralsautil'
     obj.install_path  = os.path.join(bld.env['LIBDIR'], 'backends')
-    obj.cxxflags = [ '-fPIC' ]
-    obj.cflags   = [ '-fPIC' ]
+    if bld.env['build_target'] != 'mingw':
+        obj.cxxflags = [ '-fPIC' ]
+        obj.cflags   = [ '-fPIC' ]
+
+    if bld.is_defined ('HAVE_JACK_METADATA'):
+       obj.cxxflags += [ '-DHAVE_JACK_METADATA' ]
+       obj.cflags += [ '-DHAVE_JACK_METADATA' ]
 
     if (bld.env['build_target'] == 'mingw'):
         obj.uselib   = [ 'PORTAUDIO' ]
     else:
         obj.uselib   = [ ]
-        obj.vnum     = JACKBACKEND_VERSION
 
     if bld.env['libjack_link'] == 'link':
         obj.uselib   += [ 'JACK' ]