The itouch plugin has been ported to BMP. Here is an ebuild.
Created attachment 38499 [details] The ebuild
Created attachment 38500 [details] A fixed ebuild Fixed a few bugs.
Created attachment 38515 [details] A completely fixed ebuild I have been having problems with this ebuild that are fixed now. Sorry for any bugspam.
I haven't used your ebuild, sorry, but it's in portage now. I have been in contact with the developer to get the last configure-script issues ironed out. This is why the awkward directories were created, and I prefer fixing the core issue over deleting directories afterwards. But your bug posting alerted me to bmp-itouch's existence, so thanks for your contribution after all.