pycairo should install pycairo.pc into /usr/lib32/pkgconfig during 32bit phase and into /usr/lib64/pkgconfig during 64bit phase of multilib installation (using multilib portage), but only installs into /usr/lib/pkgconfig. output of equery f pycairo: /usr /usr/include /usr/include/pycairo /usr/include/pycairo/pycairo.h /usr/lib /usr/lib/pkgconfig /usr/lib/pkgconfig/pycairo.pc /usr/lib32 /usr/lib32/python2.6 /usr/lib32/python2.6/site-packages /usr/lib32/python2.6/site-packages/cairo /usr/lib32/python2.6/site-packages/cairo/__init__.py /usr/lib64 /usr/lib64/python2.6 /usr/lib64/python2.6/site-packages /usr/lib64/python2.6/site-packages/cairo /usr/lib64/python2.6/site-packages/cairo/__init__.py /usr/lib64/python2.6/site-packages/cairo/_cairo.so /usr/lib64/python2.6/site-packages/pycairo-1.8.8-py2.6.egg-info /usr/share /usr/share/doc /usr/share/doc/pycairo-1.8.8 /usr/share/doc/pycairo-1.8.8/AUTHORS.bz2 /usr/share/doc/pycairo-1.8.8/NEWS.bz2 /usr/share/doc/pycairo-1.8.8/README.bz2
Fixed.