cmakerc : A Resource Compiler in a Single CMake Script ( https://github.com/vector-of-bool/cmrc )
cs_libguarded : Header-only library for multithreaded programming ( https://github.com/copperspice/cs_libguarded )
frozen : A header-only, constexpr alternative to gperf for C++14 users ( https://github.com/serge-sans-paille/frozen )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a opentransactions
For Paludis use this rsync : rsync://gentoo.zugaina.org/opentransactions-portage
If you have a problem : ycarus(-at-)zugaina.org