This doc aims to be a guide for developers not for users. We are talking about building but not packaging.
Download MXE
Build TeXmacs dependencies in MXE
make cc
make cmake
make qtbase
make libpng
make guile
make freetype
Build TeXmacs
mkdir build && cd build/
$HOME/github/mxe/mxe/usr/bin/i686-w64-mingw32.static-cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/win
make -j8 && make install -j8
Copy the win/
dir to Windows (copy the ice-9
dir from an existing TeXmacs install), and click texmacs.exe
under win/bin
will launch a GNU TeXmacs on Windows in debug mode (with the logging cmd console).