Arch Linux

Failed to build, could someone help on this?
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Making all in test
make[2]: Entering directory `/tmp/yaourt-tmp-root/aur-eris/src/eris-1.3.18/test'
g++ -DHAVE_CONFIG_H -I.. -I.. -I../bindings/polls -I/usr/include/sigc++-2.0 -I/usr/lib/sigc++-2.0/include -I/usr/include/skstream-0.3 -I/usr/lib/skstream-0.3/include -I/usr/include/Atlas-C++-0.6 -I/usr/include/wfmath-0.3 -I/usr/include/Mercator-0.3 -march=i686 -mtune=generic -O2 -pipe -Wall -Wno-unknown-pragmas -DNDEBUG -MT metaQuery.o -MD -MP -MF .deps/metaQuery.Tpo -c -o metaQuery.o metaQuery.cpp
mv -f .deps/metaQuery.Tpo .deps/metaQuery.Po
/bin/sh ../libtool --tag=CXX --mode=link g++ -march=i686 -mtune=generic -O2 -pipe -Wall -Wno-unknown-pragmas -DNDEBUG -Wl,--hash-style=gnu -Wl,--as-needed -o metaquery metaQuery.o ../Eris/liberis-1.3.la -lskstream-0.3 -lAtlasObjects-0.6 -lAtlasNet-0.6 -lAtlasCodecs-0.6 -lAtlasMessage-0.6 -lAtlas-0.6 -lmercator-0.3 -lwfmath-0.3 -lsigc-2.0
libtool: link: g++ -march=i686 -mtune=generic -O2 -pipe -Wall -Wno-unknown-pragmas -DNDEBUG -Wl,--hash-style=gnu -Wl,--as-needed -o .libs/metaquery metaQuery.o ../Eris/.libs/liberis-1.3.so /usr/lib/libskstream-0.3.so -lAtlasObjects-0.6 -lAtlasNet-0.6 -lAtlasCodecs-0.6 -lAtlasMessage-0.6 -lAtlas-0.6 /usr/lib/libmercator-0.3.so /usr/lib/libwfmath-0.3.so -lsigc-2.0
/usr/lib/libwfmath-0.3.so: undefined reference to `WFMath::_Poly2Orient<3>::expand(WFMath::Point<3> const&, WFMath::Point<2>&, double)'
collect2: ld returned 1 exit status

Missing dependency: libsigc++2.0