I have cross-compiled the GNU Guix bootstrap tarballs for DEC Alpha systems running GNU/Linux. I don't own an Alpha system, so I didn't get to test them.
The SHA256 Checksum for the uploaded files are:
53d990843c2c64f6593d0ae8262dca758910da6783b3949ef54677a87c3c5cd8 - binutils-static-stripped-2.28-alpha-linux-gnu.tar.xz
2ab011049b50f4ce04952e3fab7c6020da71e13b454cceb75f6fbd774b8973d2 - gcc-stripped-5.4.0-alpha-linux-gnu.tar.xz
6c36b8179fee99e942b7bdf49e523d4f46aa23cbbd9bc818364239fc67b3fe6c - glibc-stripped-2.25-alpha-linux-gnu.tar.xz
8668d3943ab2045a061f442954964fcb07fed2136edb08ecf9ef561ddb120ddf - guile-static-stripped-2.2.2-alpha-linux-gnu.tar.xz
7c1cdc3b63794315040d77b4d019793444b9496b9843bc87d2ed70dc0435731b - static-binaries-0-alpha-linux-gnu.tar.xz
I will upload the bootstrap GCC tarball in a reply as I maxed out my attachment space.
- Vincent
gcc-stripped-5.4.0-alpha-linux-gnu.tar.xz