message: guard lookup of SYS_TYPE from environment
diff: @@ -468,7 +468,7 @@ class Axom(CachedCMakePackage, CudaPackage, ROCmPackage):
  "# Root directory for generated developer tools\n")
  entries.append(cmake_cache_path("DEVTOOLS_ROOT", devtools_root))
  - if "+devtools" in spec and 'toss_4' not in os.environ["SYS_TYPE"]:
  + if "+devtools" in spec and 'toss_4' not in self._get_sys_type(spec):
  # Only turn on clangformat support if devtools is on and not TOSS4
  clang_fmt_path = spec['llvm'].prefix.bin.join('clang-format')
  entries.append(cmake_cache_path(
  