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54 lines
2.0 KiB
Plaintext
54 lines
2.0 KiB
Plaintext
LLVM Documentation
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==================
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LLVM's documentation is written in reStructuredText, a lightweight
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plaintext markup language (file extension `.rst`). While the
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reStructuredText documentation should be quite readable in source form, it
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is mostly meant to be processed by the Sphinx documentation generation
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system to create HTML pages which are hosted on <http://llvm.org/docs/> and
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updated after every commit. Manpage output is also supported, see below.
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If you instead would like to generate and view the HTML locally, install
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Sphinx <http://sphinx-doc.org/> and then do:
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cd <build-dir>
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cmake -DLLVM_ENABLE_SPHINX=true -DSPHINX_OUTPUT_HTML=true <src-dir>
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make -j3 docs-llvm-html
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$BROWSER <build-dir>/docs//html/index.html
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The mapping between reStructuredText files and generated documentation is
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`docs/Foo.rst` <-> `<build-dir>/docs//html/Foo.html` <-> `http://llvm.org/docs/Foo.html`.
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If you are interested in writing new documentation, you will want to read
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`SphinxQuickstartTemplate.rst` which will get you writing documentation
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very fast and includes examples of the most important reStructuredText
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markup syntax.
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Manpage Output
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===============
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Building the manpages is similar to building the HTML documentation. The
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primary difference is to use the `man` makefile target, instead of the
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default (which is `html`). Sphinx then produces the man pages in the
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directory `<build-dir>/docs/man/`.
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cd <build-dir>
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cmake -DLLVM_ENABLE_SPHINX=true -DSPHINX_OUTPUT_MAN=true <src-dir>
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make -j3 docs-llvm-man
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man -l >build-dir>/docs/man/FileCheck.1
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The correspondence between .rst files and man pages is
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`docs/CommandGuide/Foo.rst` <-> `<build-dir>/docs//man/Foo.1`.
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These .rst files are also included during HTML generation so they are also
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viewable online (as noted above) at e.g.
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`http://llvm.org/docs/CommandGuide/Foo.html`.
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Checking links
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==============
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The reachability of external links in the documentation can be checked by
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running:
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cd docs/
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make -f Makefile.sphinx linkcheck
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