platforms:
#  Maps "--platforms=//tools/toolchains/cross_compile/config:darwin_x86_64"
#  to "--cpu=darwin".
  @xla//tools/toolchains/cross_compile/config:darwin_x86_64
    --cpu=darwin

flags:
  # Maps "--cpu=darwin" to
  # "--platforms=//tools/toolchains/cross_compile/config:darwin_x86_64".
  --cpu=darwin
    @xla//tools/toolchains/cross_compile/config:darwin_x86_64