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Cross Compiling to Windows
==========================
Cross compiling mpv to Windows is supported with MinGW-w64. This can be used to
produce both 32 bit and 64 bit executables. MinGW-w64 is available from
http://mingw-w64.sourceforge.net.
You have to run mpv's configure with these arguments:
```bash
DEST_OS=win32 TARGET=i686-w64-mingw32 ./waf configure
```
While building a complete MinGW-w64 toolchain yourself is possible, people have
created scripts to help ease the process. In particular, [MXE](http://mxe.cc)
makes it very easy to bootstrap a complete MingGW-w64 environment from scratch.
See a working example below.
Alternatively, you can try [mingw-w64-cmake](https://github.com/lachs0r/mingw-w64-cmake),
which bootstraps a MinGW-w64 environment and builds mpv and dependencies.
**Warning**: the original MinGW (http://www.mingw.org) is unsupported.
Note that MinGW environments included in Linux distributions are often broken,
outdated and useless, and usually don't use MinGW-w64.
Additional dependencies
-----------------------
You need a pthread wrapper. It must be interoperable with native Windows
threads. pthreads-win32 or MinGW pthreads might work.
If you want ``--input-file=...`` to work, you need libwaio. It's available
from: git://midipix.org/waio
Example with MXE
----------------
```bash
# Before starting, make sure you install MXE prerequisites. MXE will download
# and build all target dependencies, but no host dependencies. For example,
# you need a working compiler, or MXE can't build the crosscompiler.
#
# Refer to
#
# http://mxe.cc/#requirements
#
# Scroll down for disto/OS-specific instructions to install them.
# Download MXE. Note that compiling the required packages requires about 1.4 GB
# or more!
cd /opt
git clone https://github.com/mxe/mxe mxe
cd mxe
# Set build options.
# The JOBS environment variable controls threads to use when building. DO NOT
# use the regular `make -j4` option with MXE as it will slow down the build.
# Alternatively, you can set this in the make command by appending "JOBS=4"
# to the end of command:
echo "JOBS := 4" >> settings.mk
# The MXE_TARGET environment variable builds MinGW-w64 for 32 bit targets.
# Alternatively, you can specify this in the make command by appending
# "MXE_TARGETS=i686-w64-mingw32" to the end of command:
echo "MXE_TARGETS := i686-w64-mingw32.static" >> settings.mk
# If you want to build 64 bit version, use this:
# echo "MXE_TARGETS := x86_64-w64-mingw32.static" >> settings.mk
# Build required packages. The following provide a minimum required to build
# mpv.
make gcc ffmpeg libass jpeg pthreads
# Add MXE binaries to $PATH
export PATH=/opt/mxe/usr/bin/:$PATH
# Build mpv. The target will be used to automatically select the name of the
# build tools involved (e.g. it will use i686-w64-mingw32.static-gcc).
cd ..
git clone https://github.com/mpv-player/mpv.git
cd mpv
DEST_OS=win32 TARGET=i686-w64-mingw32.static ./waf configure
# Or, if 64 bit version,
# DEST_OS=win32 TARGET=x86_64-w64-mingw32.static ./waf configure
./waf build
```
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