On Hans' machine (an old SuSE Linux) it fails with the following error though:
make[2]: Leaving directory
`/home/me/build-binaries/src/luajittex/buildjit/texk/kpathsea/man'
make[1]: Leaving directory
`/home/me/build-binaries/src/luajittex/buildjit/texk/kpathsea'
make: *** No rule to make target
`/home/me/build-binaries/src/luajittex/buildjit/libs/luajit/luajit-build/src/libluajit.a',
needed by `libluasocket_a-auxiliar.o'. Stop.
strip: buildjit/texk/web2c/luatex: No such file or directory
mv: cannot stat `buildjit/texk/web2c/luatex': No such file or directory
ls: buildjit/texk/web2c/luajittex: No such file or directory