The latest version of WFMath is 0.3.10 released on Tuesday the 29th of December 2009. It does not require any changes to the ebuild, simply copying wfmath-0.3.9.ebuild to wfmath-0.3.10.ebuild does the trick. Reproducible: Always
Created attachment 222431 [details] Ebuild for wfmath-0.3.10
in portage. thanks for the bug report.