waf: fix jackdbus-less build (jack.pc.in)

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@2480 0c269be4-1314-0410-8aa9-9f06e86f4224

common/wscript

@@ -4,6 +4,9 @@
 import re
 import os
 
+def configure(conf):
+    conf.check_tool('misc')
+
 # by default waf subst tool uses @VAR@ while scons legacy is ${VAR}
 # so we use same template as scons for now
 def subst_func(tsk):

wscript

@@ -49,6 +49,7 @@ def configure(conf):
     conf.check_tool('compiler_cxx')
     conf.check_tool('compiler_cc')
 
+    conf.sub_config('common')
     conf.sub_config('linux')
     if Params.g_options.dbus:
         conf.sub_config('linux/dbus')