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Simple git submodule and makefile for building the bearssl library from source in the Arduino tree.
46 lines
1.8 KiB
Markdown
46 lines
1.8 KiB
Markdown
# BearSSL ESP8266 builder
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This directory contains the git submodule for the ESP8266 ported bearssl low-level library, a port of [BearSSL](https://www.bearssl.org)
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If you are only working on the `BearSSL::` namespace functions in the
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Arduino `ESP8266WiFi` library (`BearSSL::WiFiClientSecure`,
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`BearSSL::WiFiServerSecure`, etc.) you do _NOT_ need to work in this
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directory.
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Normal users can simply use the libbearssl.a file already included in
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the `Arduino` repo. Experienced users looking to work on the underlying
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BearSSL-ESP8266 ported library can use this directory to automate the
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build flow.
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## Prerequisites
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The tools directory needs to be populated (i.e. Arduino IDE should be able
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to compile an executable probect. `get.py` should ensure this).
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### UNIX-like system (Linux, Mac):
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If you need to change the *.t0 (Forth-like language) you will need a
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.NET-compatible runtime (such as `mono` under Linux) to rebuild the
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resulant `.c` files.
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### For Windows (untested)
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Microsoft's .NET runtime must be installed to run the `.t0`->`.c` workflow.
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## Building
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* `make all`: Init the submodule, if needed, then build _but do not install_ the library
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* `make install`: Init the submodule, if needed, then build and copy the library to the standard location in `tools/sdk/lib`
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## Editing the library
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`https://github.com/earlephilhower/bearssl-esp8266` is the current repository
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for this library. A `git remote` to the original BearSSL sources from
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`https://bearssl.org/git/BearSSL` is added on submodule init. You can either
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manually do pulls, or `make merge-upstream` to bring in any BearSSL upstream
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changes.
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Documentation in the library README-esp8266 and git log describes the changes done.
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Feel free to drop me a line at <earlephilhower@yahoo.com> if you have questions.
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-Earle F. Philhower, III
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