revive the buster64 box

RHEL8 and clones are on this glibc version.

Vagrantfile

@@ -19,6 +19,8 @@ def packages_debianoid(user)
     apt install -y libfuse-dev fuse || true
     apt install -y libfuse3-dev fuse3 || true
     apt install -y locales || true
+    # we need to give the prefix to support debian buster (no libxxhash.pc for pkg-config there):
+    echo 'export BORG_LIBXXHASH_PREFIX=/usr' >> ~vagrant/.bash_profile
     sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
     usermod -a -G fuse #{user}
     chgrp fuse /dev/fuse
@@ -329,6 +331,22 @@ Vagrant.configure(2) do |config|
     b.vm.provision "run tests", :type => :shell, :privileged => false, :inline => run_tests("bullseye64", ".*none.*")
   end
 
+  config.vm.define "buster64" do |b|
+    b.vm.box = "debian/buster64"
+    b.vm.provider :virtualbox do |v|
+      v.memory = 1024 + $wmem
+    end
+    b.vm.provision "fs init", :type => :shell, :inline => fs_init("vagrant")
+    b.vm.provision "packages debianoid", :type => :shell, :inline => packages_debianoid("vagrant")
+    b.vm.provision "install pyenv", :type => :shell, :privileged => false, :inline => install_pyenv("buster64")
+    b.vm.provision "install pythons", :type => :shell, :privileged => false, :inline => install_pythons("buster64")
+    b.vm.provision "build env", :type => :shell, :privileged => false, :inline => build_pyenv_venv("buster64")
+    b.vm.provision "install borg", :type => :shell, :privileged => false, :inline => install_borg("llfuse")
+    b.vm.provision "install pyinstaller", :type => :shell, :privileged => false, :inline => install_pyinstaller()
+    b.vm.provision "build binary with pyinstaller", :type => :shell, :privileged => false, :inline => build_binary_with_pyinstaller("buster64")
+    b.vm.provision "run tests", :type => :shell, :privileged => false, :inline => run_tests("buster64", ".*none.*")
+  end
+
   config.vm.define "freebsd64" do |b|
     b.vm.box = "generic/freebsd14"
     b.vm.provider :virtualbox do |v|

scripts/fetch-binaries

@@ -12,6 +12,7 @@ check_and_copy () {
     echo ""
 }
 
+check_and_copy buster64   borg-linux-glibc228
 check_and_copy bullseye64 borg-linux-glibc231
 check_and_copy bookworm64 borg-linux-glibc236