does not build in openSUSE Leap 15.2

[jvo203]

Issuing "make" results in

Failed to detect host OS version:

Unsupported linux distribution and version: opensuse-leap, 15.2

Here is the complete output:

INFO: Repository llvm_toolchain instantiated at:
no stack (--record_rule_instantiation_callstack not enabled)
Repository rule llvm_toolchain defined at:
/home/chris/.cache/bazel/_bazel_chris/a15e0fde272926b3115f987de863156a/external/com_grail_bazel_toolchain/toolchain/rules.bzl:24:33: in
ERROR: An error occurred during the fetch of repository 'llvm_toolchain':
Traceback (most recent call last):
File "/home/chris/.cache/bazel/_bazel_chris/a15e0fde272926b3115f987de863156a/external/com_grail_bazel_toolchain/toolchain/internal/configure.bzl", line 110
_download_llvm_preconfigured(<1 more arguments>)
File "/home/chris/.cache/bazel/_bazel_chris/a15e0fde272926b3115f987de863156a/external/com_grail_bazel_toolchain/toolchain/internal/llvm_distributions.bzl", line 148, in _download_llvm_preconfigured
fail(<1 more arguments>)
Failed to detect host OS version:

Unsupported linux distribution and version: opensuse-leap, 15.2
ERROR: no such package '@llvm_toolchain//': Traceback (most recent call last):
File "/home/chris/.cache/bazel/_bazel_chris/a15e0fde272926b3115f987de863156a/external/com_grail_bazel_toolchain/toolchain/internal/configure.bzl", line 110
_download_llvm_preconfigured(<1 more arguments>)
File "/home/chris/.cache/bazel/_bazel_chris/a15e0fde272926b3115f987de863156a/external/com_grail_bazel_toolchain/toolchain/internal/llvm_distributions.bzl", line 148, in _download_llvm_preconfigured
fail(<1 more arguments>)
Failed to detect host OS version:

Unsupported linux distribution and version: opensuse-leap, 15.2
INFO: Elapsed time: 0.156s
INFO: 0 processes.
FAILED: Build did NOT complete successfully (0 packages loaded)
FAILED: Build did NOT complete successfully (0 packages loaded)
make: *** [Makefile:44: test] Error 1