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Few suggestions in Getting started section #3

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18 changes: 17 additions & 1 deletion installation.md
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Expand Up @@ -19,6 +19,13 @@ Clangd can be installed (along with LLVM) via [Homebrew](https://brew.sh):
brew install llvm
```

For build latest version on macOS from source with cutting edge features use
`--HEAD` parameter:

```
brew install --HEAD llvm
```

If you don't want to use homebrew, you can download the a binary release of
LLVM from [releases.llvm.org](http://releases.llvm.org/download.html).
Alongside `bin/clangd` you will need at least `lib/clang/*/include`:
Expand Down Expand Up @@ -285,4 +292,13 @@ flags one-per-line in `compile_flags.txt` in your source root.
Clangd will assume the compile command is `clang $FLAGS some_file.cc`.

Creating this file by hand is a reasonable place to start if your project is
quite simple.
quite simple. You also can use one-liner for populate `compile_flags.txt` with
default include directories for your system:

```sh
cc -E -x c++ - -v < /dev/null 2>&1 | \
awk '/End of search list./ { show=0 } \
{ if (show) printf "-I%s\n",$1 }; \
/#include <...> search starts here:/ { show=1; }' \
> compile_flags.txt
```