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Add an FAQ entry explaining how to configure C or C++ projects

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w0rp 2017-11-18 18:59:03 +00:00
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README.md
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@ -46,6 +46,7 @@ servers with similar enough protocols, like `tsserver`.
11. [How can I use the quickfix list instead of the loclist?](#faq-quickfix)
12. [How can I check JSX files with both stylelint and eslint?](#faq-jsx-stylelint-eslint)
13. [Will this plugin eat all of my laptop battery power?](#faq-my-battery-is-sad)
14. [How can I configure my C or C++ project?](#faq-c-configuration)
<a name="supported-languages"></a>
@ -614,3 +615,28 @@ still be an advantage.
If you are still concerned, you can turn the automatic linting off altogether,
including the option `g:ale_lint_on_enter`, and you can run ALE manually with
`:ALELint`.
<a name="faq-c-configuration"></a>
### 5.xiv. How can I configure my C or C++ project?
The structure of C and C++ projects varies wildly from project to project, with
many different build tools being used for building them, and many different
formats for project configuration files. ALE can run compilers easily, but
ALE cannot easily detect which compiler flags to use.
Some tools and build configurations can generate
[compile_commands.json](https://clang.llvm.org/docs/JSONCompilationDatabase.html)
files. The `cppcheck`, `clangcheck` and `clangtidy` linters can read these
files for automatically determining the appropriate compiler flags to use.
For linting with compilers like `gcc` and `clang`, and with other tools, you
will need to tell ALE which compiler flags to use yourself. You can use
different options for different projects with the `g:ale_pattern_options`
setting. Consult the documentation for that setting for more information.
`b:ale_linters` can be used to select which tools you want to run, say if you
want to use only `gcc` for one project, and only `clang` for another.
You may also configure buffer-local settings for linters with project-specific
vimrc files. [local_vimrc](https://github.com/LucHermitte/local_vimrc) can be
used for executing local vimrc files which can be shared in your project.