Hi Chow,
I had the following problem making the combined plugins on an older machine,
aclocal: unrecognized option -- `--install'
This was aclocal version 1.9.6 on Zen 4.2 (18 months old)
Fixed with upgrade to aclocal 1.10.1
Given that Geany still supports GTK 2.8 which is twice as old, the plugins may encounter even older tools.
So the requirement for aclocal >?? needs to be documented somewhere or required somehow.
Cheers Lex