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README: add explanation on how to use pkg-config.

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Érico Rolim 2020-07-08 17:10:51 -03:00
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@ -27,6 +27,7 @@
- [Integration](#integration) - [Integration](#integration)
- [CMake](#cmake) - [CMake](#cmake)
- [Package Managers](#package-managers) - [Package Managers](#package-managers)
- [Pkg-config](#pkg-config)
- [Examples](#examples) - [Examples](#examples)
- [JSON as first-class data type](#json-as-first-class-data-type) - [JSON as first-class data type](#json-as-first-class-data-type)
- [Serialization / Deserialization](#serialization--deserialization) - [Serialization / Deserialization](#serialization--deserialization)
@ -230,6 +231,20 @@ Please file issues [here](https://github.com/build2-packaging/nlohmann-json) if
If you are using [`wsjcpp`](https://wsjcpp.org), you can use the command `wsjcpp install "https://github.com/nlohmann/json:develop"` to get the latest version. Note you can change the branch ":develop" to an existing tag or another branch. If you are using [`wsjcpp`](https://wsjcpp.org), you can use the command `wsjcpp install "https://github.com/nlohmann/json:develop"` to get the latest version. Note you can change the branch ":develop" to an existing tag or another branch.
### Pkg-config
If you are using bare Makefiles, you can use `pkg-config` to generate the include flags that point to where the library is installed:
```sh
pkg-config nlohmann_json --cflags
```
Users of the Meson build system will also be able to use a system wide library, which will be found by `pkg-config`:
```meson
json = dependency('nlohmann_json', required: true)
```
## Examples ## Examples
Beside the examples below, you may want to check the [documentation](https://nlohmann.github.io/json/) where each function contains a separate code example (e.g., check out [`emplace()`](https://nlohmann.github.io/json/classnlohmann_1_1basic__json_a5338e282d1d02bed389d852dd670d98d.html#a5338e282d1d02bed389d852dd670d98d)). All [example files](https://github.com/nlohmann/json/tree/develop/doc/examples) can be compiled and executed on their own (e.g., file [emplace.cpp](https://github.com/nlohmann/json/blob/develop/doc/examples/emplace.cpp)). Beside the examples below, you may want to check the [documentation](https://nlohmann.github.io/json/) where each function contains a separate code example (e.g., check out [`emplace()`](https://nlohmann.github.io/json/classnlohmann_1_1basic__json_a5338e282d1d02bed389d852dd670d98d.html#a5338e282d1d02bed389d852dd670d98d)). All [example files](https://github.com/nlohmann/json/tree/develop/doc/examples) can be compiled and executed on their own (e.g., file [emplace.cpp](https://github.com/nlohmann/json/blob/develop/doc/examples/emplace.cpp)).