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1-Development-requirements.md

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Development requirements

C++ version

The compilation of antares-xpansion requires C++17 support.

=== "Windows"

Compilation is tested on MSVC 2019

=== "Centos"

By default, GCC version of Centos7 is 4.8.5.

Some external repositories must be enabled

=== "Centos 7 (EPEL)"    
    ``` 
    sudo yum install epel-release
    sudo yum install centos-release-scl
    ```

=== "Centos 8 (PowerTools)"    
    ```
    sudo yum install dnf-plugins-core
    sudo yum config-manager --set-enabled PowerTools
    ```

You can then use a more recent version of GCC by enabling `devtoolset-9` :
```
sudo yum install devtoolset-9
```

Before compiling *antares-xpansion* we must launch a new shell with `scl` tool :
```
scl enable devtoolset-9 bash
```

=== "Ubuntu"

```
sudo apt install build-essential
```

CMake version

CMake 3.x must be used.

=== "Windows"

You can download latest Windows version directly from [CMake website](https://cmake.org/download/).

=== "Centos"

```
sudo yum install epel-release
sudo yum install cmake3
```

=== "Ubuntu"

```
sudo apt install cmake
```

Python version

Python 3.x is used for end-to-end test.

=== "Windows"

You can download latest Windows version directly from [Python website](https://www.python.org/downloads/windows/).

=== "Centos"

```
sudo yum install python3 python3-pip
```

=== "Ubuntu"

```
sudo apt-get install python3 python3-pip
```

Required python modules can be installed with :

pip install -r requirements-tests.txt

Git version

Git version must be above 2.15 for external dependencies build because --ignore-whitespace is not used by default and we have an issue with OR-Tools compilation of ZLib and application of patch on Windows (see google/or-tools#1193).

=== "Windows"

You can download latest Windows version directly from [Git website](https://gitforwindows.org/).

=== "Centos"

```
sudo yum install rh-git227-git
sudo yum install git
```

Sometimes we need a 2.x version of git. To enable git 2.27 :
```
source /opt/rh/rh-git227/enable
```

=== "Ubuntu"

```
sudo apt-get install git
```