Earlier Maskprocessor for glibc 2.12 available?

[RelativePrime]

Just getting started with maskprocessor-0.68 and I see it is linked against GLIBC_2.14, which is newer than RHEL 6.3 glibc 2.12. (They do like to take their time . . .)

Is an earlier version available? (I guessed a few versions at http://hashcat.net/files/maskprocessor-0.XY.7z but no joy.)

Thank you