message: Add notes for build on other Linux environment.
diff: @@ -39,6 +39,18 @@ Unittests can be executed as follows.
  bazel test base:util_test --config oss_linux -c dbg
  ```
  +### Build Mozc on other Linux environment
  +
  +To build Mozc on other Linux environment rather than the supported Docker
  +environment, you might need to modify the following files.
  +
  +* src/WORKSPACE - build dependencies.
  +* src/BUILD.ibus - build rules and include headers and libraries for IBus.
  +* src/BUILD.qt - build rules and include headers and libraries for Qt.
  +* src/config.bzl - configuration of install paths, etc.
  +* src/.bazelrc - compiler flags, etc.
  +
  +
  ## Build Mozc library for Android:
  Client code for Android apk is deprecated.
  