i have installed the lastest snap from http://www.suckless.org/snaps/wmii+ixp-20070516.tgz
it runs fine, no problem yet. i got a warning-message something like this while doing "make clean install": make[1]: File /dev/null has modification time 5.2e+d31 in future make[1]: clock skew detected. your build may be incomplete -- http://arnuld.blogspot.com/
