As shown by
$ hare version -v
Hare dev+f86f8229-arch
Build tags +x86_64+linux
HAREPATH /usr/src/hare/stdlib
/usr/src/hare/third-party
/usr/src/hare/stdlib
/usr/src/hare/third-party
On Arch Linux, built from version r2658.f86f8229-1 of the AUR package.