irrtoolset fails to build: Undefined symbols: "rpslparse(void*)"

[barracuda156]

Making all in peval
make[3]: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_irrtoolset/irrtoolset/work/irrtoolset-5.0.1/src/peval'
/usr/bin/g++-4.2 -DHAVE_CONFIG_H -I. -I../../src   -I/opt/local/include  -pipe -Os -arch ppc  -MT peval.o -MD -MP -MF .deps/peval.Tpo -c -o peval.o peval.cc
mv -f .deps/peval.Tpo .deps/peval.Po
/bin/sh ../../libtool --tag=CXX   --mode=link /usr/bin/g++-4.2  -pipe -Os -arch ppc   -L/opt/local/lib -Wl,-headerpad_max_install_names -arch ppc -o peval peval.o ../libirrtoolset.la  -lreadline -lhistory -lreadline -ltermcap 
libtool: link: /usr/bin/g++-4.2 -pipe -Os -arch ppc -Wl,-headerpad_max_install_names -arch ppc -o peval peval.o  -L/opt/local/lib ../.libs/libirrtoolset.a -lhistory -lreadline -ltermcap
Undefined symbols:
  "rpslparse(void*)", referenced from:
      Object::parse()     in libirrtoolset.a(object.o)
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[3]: *** [peval] Error 1
make[3]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_irrtoolset/irrtoolset/work/irrtoolset-5.0.1/src/peval'
make[2]: *** [all-recursive] Error 1