wings cannot be installed

[newchief@…]

Installation log says:

:msg:main --->  Building wings
:debug:build build phase started at Fri Jul 15 01:19:14 CEST 2011
:debug:build Executing org.macports.build (wings)
:debug:build Environment: CPATH='/opt/local/include' CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_wings/work/.CC_PRINT_OPTIONS' ESDL_PATH='/opt/local/lib/erlang/lib/esdl-0.96.0626' LIBRARY_PATH='/opt/local/lib' CC_PRINT_OPTIONS='YES' MACOSX_DEPLOYMENT_TARGET='10.6'
:debug:build Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_wings/work/wings-0.99.04a" && /usr/bin/make -j2'
:info:build (cd intl_tools; /usr/bin/make)
:info:build /usr/bin/make TYPE=opt common
:info:build erlc  -W +debug_info +debug_info -o. tools.erl
:info:build ./tools.erl:283: illegal guard expression
:info:build ./tools.erl:286: illegal guard expression
:info:build ./tools.erl:286: illegal guard expression
:info:build ./tools.erl:288: illegal guard expression
:info:build ./tools.erl:283: Warning: erlang:is_constant/1: Removed in R13B
:info:build ./tools.erl:286: Warning: erlang:is_constant/1: Removed in R13B
:info:build ./tools.erl:286: Warning: erlang:is_constant/1: Removed in R13B
:info:build ./tools.erl:288: Warning: erlang:is_constant/1: Removed in R13B
:info:build make[2]: *** [tools.beam] Error 1
:info:build make[1]: *** [opt] Error 2
:info:build make: *** [all] Error 2
:info:build shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_wings/work/wings-0.99.04a" && /usr/bin/make -j2 " returned error 2

[ryandesign (Ryan Carsten Schmidt)]

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