Simple demo of simdjson as a CMake dependency.

This repository is meant to serve as an example of how to use simdjson as a CMake dependency by having simdjson as a git submodule. It is not the most efficient approach, read on for faster approaches.

Usage:

mkdir build && cd build && cmake .. && cmake --build . && ./src/test

The simple CMake project builds a simple parser (./src/test) which can parse a given JSON document (provided as a command-line parameter) and determine whether it is valid JSON.

Please refer to the main simdjson project for further documentation.

How to add simdjson as a CMake dependency

Fundamentally, it is as simple as adding the following line after copying the project as a subdirectory in your own project:

add_subdirectory(simdjson EXCLUDE_FROM_ALL)

Why and how to add a submodule?

If your own project is under git, you probably do not want to copy simdjson in your own git repository. Instead, you want to add it as a submodule.

Once you have a git repository, adding simdjson as a submodule is relatively easy, type:

git submodule add https://github.com/simdjson/simdjson.git

Using submodules, you can control exactly which version your colleagues are using, down to the commit. Furthermore, submodules are portable: they work wherever git works.

Then you can just follow our example.

FetchContent

We can also do a demo using a single CMakeLists.txt file.

ExternalProject

Users who prefer to use CMake's ExternalProject approach may refer to our example.

simdjson/cmakedemo

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