Swift RPM for Fedora.
sudo dnf install libbsd python gcc-c++ clang
sudo rpm -Uvh swift-2.2-SNAPSHOT20151210a.x86_64.rpm
Tested on Fedora 22 and 23, 64 bits.
To build a new tag version of swift edit rpm-from-source.sh and change TAG, REL and VER accordingly.
./rpm-from-source.sh