Merge pull request #63 from artob/patch-1

Correct & update native toolchain how-to for macOS
tree: 254111311332ed80bdbe45e987c166a0a41f8592
  1. docs/
  2. versions/
  3. .gitignore
  4. doxygen-mynewt-core.xml
  5. Makefile
  6. README.rst