| Platform | Main branch | Development branch | 
|---|---|---|
| Linux | ||
| Windows | 
- 
git (required) 
 When working on Windows, use Git for Windows Portable if possible - bundled tools might be used in future.
 https://git-scm.com/download/
- 
cmake v3.12.4 (minimum required) 
 https://cmake.org/download/
- 
Visual Studio 2010 (required) 
 https://visualstudio.microsoft.com/vs/older-downloads/
- 
Visual Studio 2017 (optional) 
 https://visualstudio.microsoft.com/vs/
- 
Update dependencies 
 git submodule update --init --recursive
- 
Create a build directory; recommended: SDK* 
 This step can be skipped if using automated build- Windows
- Visual Studio 2010: cmake -G "Visual Studio 10" Path/To/Main/Directory/
- Visual Studio 2017: cmake -G "Visual Studio 15" -T v100 Path/To/Main/Directory/
 Note that -T option informs cmake to generate solution which uses VS2010 toolchain.
 Builds using Visual Studio 2017 toolchain (without -T switch) will NOT work.
 
- Visual Studio 2010: 
 
- Windows
CMake-based script is provided to fully automate building process.
cmake -P Build.cmake
Included tasks:
- 
Preparing files - 
Source formatting 
- 
Restoring files modification time (CI only) 
 This step is required for timestamps used in released files.
 
- 
- 
Preparing build directory/directories - 
When building on Windows, two different directories are created for two different scenarios: - SDK.VS2017.v100, used to work with source on modern Visual Studio version
- SDK.VS2017, used to check if engine is ready for migration to VS2017
 
- 
Other platforms are not supported currently 
 
- 
- 
Building all targets 
- 
Preparing release package 
 All files are placed in [build.dir]/FOClassic-v[version]/ and compressed to FOClassic-v[version].zip