Z:gnu-www-ja-devel--99cd53-=3Ca href=3D"http://nixos.org/hydr/en

Hydra is a free continuous build tool based on the Nix package manager. Administrators of the Hydra instance at the Delft University of Technology have generously offered slots for the GNU Project. Projects on Hydra get re-built at each commit or change in their dependencies, whichever comes first (dependencies include the standard build environment being used, which itself contains recent released versions of GCC, GNU make, etc.)