ICU-20470 skip data/rules.mk regen for source tarball

- If icu/source/data/locales/root.txt missing, skip
  python rules.mk generation.
- Also, create build directories properly as needed
- Also includes noise changes to configure
  (configure was probably generated using unreleased
   autoconf 2.70 or 2.69 + patches)
- eac8f4b31ab7395abb3a216aa17bafe7af6314ed did not
  regen configure properly, so BUILDTOOL_OPTS is now
  ICU_DATA_BUILDTOOL_OPTS
3 files changed
tree: bf1912dbeaf3fa78629c8f8e31498bb4748439fa
  1. .appveyor.yml
  2. .ci-builds/
  3. .cpyskip.txt
  4. .gitattributes
  5. .github/
  6. .gitignore
  7. .travis.yml
  8. README.md
  9. icu4c/
  10. icu4j/
  11. tools/
  12. vendor/
README.md

International Components for Unicode

This is the repository for the International Components for Unicode. The ICU project is under the stewardship of The Unicode Consortium.

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