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# How to build Widelands with MinGW64 on Windows ¶

This is currently a work in progress! ¶

[TOC] ¶

# Download files ¶
## Nuwen's MinGW64 distro ¶

Download the main distro from [http://nuwen.net/mingw.html](http://nuwen.net/mingw.html) and the MSYS2 installer: ¶

* [mingw-13.4.exe](http://nuwen.net/files/mingw/mingw-13.4.exe) ¶
* [MSYS2](http://repo.msys2.org/distrib/x86_64/msys2-x86_64-20150916.exe) from [MSYS2.io](https://msys2.github.io) ¶

## SDL2 source packages ¶
* [SDL2](https://www.libsdl.org/release/SDL2-2.0.3.zip) ¶
* [SDL2_net](https://www.libsdl.org/projects/SDL_net/) ¶
* [SDL2_mixer](http://www.libsdl.org/projects/SDL_mixer/) ¶
* [SDL2_image](https://www.libsdl.org/projects/SDL_image/) ¶


## Additional libraries ¶
* [gzip](http://ftp.gnu.org/gnu/gzip/gzip-1.6.tar.gz) ¶
* [libiconv](http://ftp.gnu.org/gnu/libiconv/libiconv-1.14.tar.gz) ¶
* [gettext](http://ftp.gnu.org/gnu/gettext/gettext-0.19.6.tar.gz) ¶
* [freetype](http://download.savannah.gnu.org/releases/freetype/freetype-2.6.2.tar.gz) ¶
* [ICU](http://download.icu-project.org/files/icu4c/56.1/icu4c-56_1-src.zip) ¶

# Building all libraries ¶

* Use the self-extracting installer of Nuwen's and extract the distro to
*`C:\\MinGW*`
* Install MSYS2 to
*`c:\\msys2*` and follow their update steps! ¶
* Open the distro window with `C:\
\MinGW\\open_distro_window.bat` ¶
* In this shell change the directory with `cd c:
\\msys2` and call `msys2_shell.bat` or `msys2_shell.cmd` to start MSYS2, depending on your version of MSYS2. ¶

You are now in a linux like shell, so the command syntax is a bit different than normal windows commands ¶

* Extract all source packages to `c:\
\msys2\\home\\<username>\\` ¶
* Build each package with `./configure --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32 --target=x86_64-w64-mingw32 --prefix=/c/MinGW && make install` ¶
* Gzip1.6 does not compile without these [two patches](https://gist.github.com/TinoM/5692d59573269e6d8018) ¶
* Download the patch files, save them in the gzip source folder and patch with ¶
* patch -d . -p1 < gzip_mingw64.patch ¶
* patch -d . -p1 < gzip_mingw64_2.patch ¶
* Libiconv and freetype have circular dependencies, so you should compile libiconv, then freetype and then libiconv again (
run `make a distclean` and a `./configure`) ¶
* If you get an error `no acceptable C compiler found in $PATH`, you will need to execute `export PATH=${PATH}:/c/MinGW/bin` within MSYS2. ¶

# Download CMake and Ninja ¶

* Download [Ninja](https://github.com/ninja-build/ninja/releases/download/v1.6.0/ninja-win.zip). Extract simply to *C:\\MinGW\\bin*. ¶
* Download [CMAKE](https://cmake.org/files/v3.4/cmake-3.4.1-win32-x86.zip) ¶

# Getting Widelands source code ¶

* This is described on [[ BzrPrimer ]] ¶

# Building Widelands ¶

We will build ninja in the normal distro window and not in the MSYS shell: ¶

* Open the distro window with *C:\\MinGW\\open_distro_window.bat* ¶
* Switch to the directory you'll want to build widelands in, e.g. *C:\\wl_build* ¶
* run CMAKE "cmake -G Ninja -DCMAKE_PREFIX_PATH=C:\\Mingw c:\\bzr\\widelands\\trunk". Important CMake options are documented on the [BuildingWidelands](https://wl.widelands.org/wiki/Building%20Widelands/#cmake-options) page. ¶
* Just call "ninja" to build now