[LAD] LV2 Core: waf configure fails

Hello, I can't compile the last SVN (280) version of LV2 core due to an error when I run "waf configure" blablack@igor:~/src/Launchpad/lv2core$ waf configure Setting top to : /home/blablack/src/Launchpad/lv2core Setting out to : /home/blablack/src/Launchpad/lv2core/build Global Configuration * Install prefix : /usr/local * Debuggable build : False * Strict compiler flags : False * Build documentation : False Traceback (most recent call last): File "/home/blablack/src/Launchpad/lv2core/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Scripting.py", line 94, in waf_entry_point run_commands() File "/home/blablack/src/Launchpad/lv2core/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Scripting.py", line 146, in run_commands run_command(cmd_name) File "/home/blablack/src/Launchpad/lv2core/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Scripting.py", line 139, in run_command ctx.execute() File "/home/blablack/src/Launchpad/lv2core/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Configure.py", line 127, in execute super(ConfigurationContext,self).execute() File "/home/blablack/src/Launchpad/lv2core/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Context.py", line 87, in execute self.recurse([os.path.dirname(g_module.root_path)]) File "/home/blablack/src/Launchpad/lv2core/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Context.py", line 127, in recurse user_function(self) File "/home/blablack/src/Launchpad/lv2core/wscript", line 36, in configure autowaf.define(conf, 'LV2CORE_PATH_SEP', lv2core_path_sep) File "/home/blablack/src/Launchpad/lv2core/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/extras/autowaf.py", line 63, in define conf.define(var_name,value) AttributeError: 'ConfigurationContext' object has no attribute 'define' Is anybody else facing the same issue? Thanks in advance, Aurélien