libgtkmm2 = gtkmm2.SharedLibrary('gtkmm2', gtkmm2_files)
Default(libgtkmm2)
-env.Alias('install', env.Install(os.path.join(install_prefix, 'lib/ardour2'), libgtkmm2))
+env.Alias('install', env.Install(os.path.join(install_prefix, env['LIBDIR'], 'ardour2'), libgtkmm2))
env.Alias('tarball', env.Distribute (env['DISTTREE'],
[ 'SConscript', 'gtkmmconfig.h', 'gtkmm.h'] +