Merge pull request #1261 from jepler/esp8266-prebuilt-sdk

esp8266/README: comment on the specific binary SDK used
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Scott Shawcroft 2018-10-10 12:03:12 -07:00 committed by GitHub
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@ -34,6 +34,14 @@ run `make` in its directory to build and install the SDK locally. Make sure
to add toolchain bin directory to your PATH. Read esp-open-sdk's README for
additional important information on toolchain setup.
Travis builds, including releases are actually built using a specific
esp-open-sdk binary. The location of the binary can be seen in the
`.travis.yml` in the top-level directory of CircuitPython. This may be ahead
of or behind the pfalcon repository, depending on the specific needs of
CircuitPython. If your local system is binary-compatible with Travis
(most Ubuntu and Debian based systems are), you can download the binary and
skip building it locally.
Add the external dependencies to the MicroPython repository checkout:
```bash
$ git submodule update --init