development/Sphinx: Document how to get Python 3 support.

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Benjamin Trigona-Harany 2019-07-26 07:49:27 -07:00 committed by Willy Sudiarto Raharjo
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@ -3,5 +3,14 @@ various output formats, including HTML, ePub, LaTeX and plain text. Sphinx was
originally created for the Python documentation, but it has excellent
facilities for the documentation of software projects in a range of languages.
All Sphinx dependencies must be built with Python 3 support, which usually just
means making sure that python3 is installed before building them.
All Sphinx dependencies must be built with Python 3 support and since there are
many different way of providing this, the following packages require special
build instructions not captured in REQUIRES:
- python/python-urllib3: install python/python3 first
- python-idna: install python/python3 first
- python/python-chardet: install python/python3 first
- python/imagesize: install python/python3 first
- python/alabaster: install python/python3 first
- python/python-requests: install python/python3-certifi first
- python/pytz: install python/python3 first and use PYTHON3=yes as a build
option