atk fails to build on Leopard

[sinclair.jesse@…]

--->  Building atk with target all
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_atk/work/atk-1.20.0" && make all " returned error 2
Command output: make  all-recursive
Making all in atk
make  all-am
/bin/sh ../libtool --tag=CC --mode=link gcc  -O2 -funroll-loops -fstrict-aliasing -Wall  -L/opt/local/lib -no-undefined -o libatk-1.0.la -rpath /opt/local/lib -version-info 2009:1:2009   atkaction.lo atkcomponent.lo atkdocument.lo atkeditabletext.lo atkgobjectaccessible.lo atkhyperlink.lo atkhyperlinkimpl.lo atkhypertext.lo atkimage.lo atknoopobject.lo atknoopobjectfactory.lo atkobject.lo atkobjectfactory.lo atkregistry.lo atkrelation.lo atkrelationset.lo atkselection.lo atkstate.lo atkstateset.lo atkstreamablecontent.lo atktable.lo atktext.lo atkutil.lo atkmisc.lo atkvalue.lo atk-enum-types.lo -L/opt/local/lib -lgobject-2.0 -lgmodule-2.0 -lglib-2.0 -lintl -liconv   
gcc -dynamiclib  -o .libs/libatk-1.0.0.2009.1.dylib  .libs/atkaction.o .libs/atkcomponent.o .libs/atkdocument.o .libs/atkeditabletext.o .libs/atkgobjectaccessible.o .libs/atkhyperlink.o .libs/atkhyperlinkimpl.o .libs/atkhypertext.o .libs/atkimage.o .libs/atknoopobject.o .libs/atknoopobjectfactory.o .libs/atkobject.o .libs/atkobjectfactory.o .libs/atkregistry.o .libs/atkrelation.o .libs/atkrelationset.o .libs/atkselection.o .libs/atkstate.o .libs/atkstateset.o .libs/atkstreamablecontent.o .libs/atktable.o .libs/atktext.o .libs/atkutil.o .libs/atkmisc.o .libs/atkvalue.o .libs/atk-enum-types.o  -L/opt/local/lib /opt/local/lib/libgobject-2.0.dylib /opt/local/lib/libgmodule-2.0.dylib /opt/local/lib/libglib-2.0.dylib /opt/local/lib/libintl.dylib /opt/local/lib/libiconv.dylib  -install_name  /opt/local/lib/libatk-1.0.0.dylib -compatibility_version 2010 -current_version 2010.1
ld: duplicate symbol _g_bit_nth_lsf in .libs/atkcomponent.o and .libs/atkaction.o

collect2: ld returned 1 exit status
make[3]: *** [libatk-1.0.la] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

Error: Status 1 encountered during processing.

[afb@…]

Duplicate of bug #13094