Building for Windows

Cross-compiling on a Unix System

Installing all necessary packages

On Debian/Ubuntu

$ sudo apt-get install autoconf automake autopoint bash bison bzip2 \
                       cmake flex gettext git gcc g++ intltool \
                       libffi-dev libtool libltdl-dev libssl-dev \
                       libxml-parser-perl make openssl patch perl \
                       pkg-config scons sed unzip wget xz-utils

On 64-bit Debian/Ubuntu (additional packages)

$ sudo apt-get install g++-multilib libc6-dev-i386

On other Unix systems

http://mxe.cc/#requirements

Cloning Hydrogen from the github repository

If you have not already done it.

$ git clone -b master https://github.com/hydrogen-music/hydrogen.git

Setting the Hydrogen environment variable

Change to your Hydrogen directory.

$ cd hydrogen

$ export HYDROGEN=$PWD

$ cd ..

Cloning MXE from the github repository

Clone the master branch, since it should be more up-to-date than the stable branch.

$ git clone -b master https://github.com/mxe/mxe.git

Configuring MXE

$ cd mxe

$ export MXE=$PWD

Edit Makefile and set the value of MXE_TARGETS as follows (for 32-bit Windows target).

MXE_TARGETS        := i686-w64-mingw32.shared

Configuring and cross-compiling packages

Most make operations below take a considerable amount of time. The lengthy ones have been timed, in order to give you a rough estimate. Adjust your completion expectations according to the values presented and your system capabilities. All operations in this section should be executed in the MXE root directory, where the Makefile resides. Packages along with their dependencies are downloaded and cross-compiled automatically as needed.

Cross-compiling gcc

$ make gcc

real    13m10.244s
user    30m51.456s
sys     4m17.841s

Cross-compiling winpthreads

$ make winpthreads

Configuring gcc and cross-compiling again

Edit src/gcc.mk and set the value of $(PKG)_DEPS as follows.

$(PKG)_DEPS     := binutils gcc-cloog gcc-gmp gcc-isl gcc-mpc gcc-mpfr winpthreads

Also set the value of --enable-threads as follows.

--enable-threads=posix

Then cross-compile gcc again.

$ make gcc

real    8m32.152s
user    24m34.296s
sys     2m47.471s

Cross-compiling other packages

$ make qt libarchive libsndfile

real    70m17.737s
user    199m0.451s
sys     15m14.591s

Cross-compiling Hydrogen

$ cd $HYDROGEN

$ cd win32

$ mkdir windows_32_bit_build

$ cd windows_32_bit_build

$ export HYDROGEN_BUILD=$PWD

$ cmake ../.. -DCMAKE_TOOLCHAIN_FILE=$MXE/usr/i686-w64-mingw32.shared/share/cmake/mxe-conf.cmake

$ make

real    4m32.063s
user    4m14.671s
sys     0m17.105s

$ cd ..

Creating the bundle

$ ./create_bundle.sh

This creates a directory hydrogen_windows_32_bit, which you can copy to your Windows machine and launch Hydrogen!

Troubleshooting

When copying the directory above to your Windows machine, you will get a copy conflict. This is because Windows' case-insensitivity is put to the test, since two files named Director.png and director.png exist in the same directory. Resolve the conflict in whichever way you wish, since the aforementioned files seem to be unused.

Using the method described above, I experience Hydrogen crashing at startup. To fix this, download the precompiled libsndfile-1.dll from http://www.mega-nerd.com/libsndfile/#Download and put it in the Hydrogen directory.

Bugs?

Bugs.