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Added install instructions for cross-compiling to Windows

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Maxim Biro 2014-06-27 02:45:36 -04:00
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INSTALL.md
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@ -6,6 +6,11 @@
- [Homebrew](#homebrew)
- [Non-Homebrew](#non-homebrew)
- [Windows](#windows)
- [Cross-Compile](#windows-cross-compile)
- [Setting up a VM](#windows-cross-compile-vm)
- [Setting up the environment](#windows-cross-compile-environment)
- [Compiling](#windows-cross-compile-compiling)
- [Native](#windows-native)
- [Additional](#additional)
- [Advanced configure options] (#aconf)
@ -176,12 +181,182 @@ http://caiustheory.com/install-gcc-421-apple-build-56663-with-xcode-42
<a name="windows" />
###Windows:
<a name="windows-cross-compile" />
####Cross-compile
It's a bit challenging to build Tox and all of its dependencies nativly on Windows, so we will show an easier, less error and headache prone method of building it -- cross-compiling.
<a name="windows-cross-compile-vm" />
#####Setting up a VM
We will assume that you don't have any VM running Linux around and will guide you from the ground up.
First, you would need to get a virtual machine and a Linux distribution image file.
For a virtual machine we will use VirtualBox. You can get it [here](https://www.virtualbox.org/wiki/Downloads).
For a Linux distribution we will use Lubuntu 14.04 32-bit, which you can get [here](https://help.ubuntu.com/community/Lubuntu/GetLubuntu).
After you have those downloaded, install the VirtualBox and create a VM in it. The default of 512mb of RAM and 8gb of dynamically-allocated virtual hard drive would be enough.
When you have created the VM, go into its **Settings** -> **System** -> **Processor** and add some cores, if you have any additional available, for faster builds.
Then, go to **Settings** -> **Storage**, click on **Empty** under **Controller: IDE**, click on the little disc icon on the right side of the window, click on **Choose a virtual CD/DVD disk file** and select the downloaded Lubuntu image file.
Start the VM and follow the installation instructions.
After Lubuntu is installed and you have booted into it, in VirtualBox menu on top of the window select **Devices** -> **Insert Guest Additions CD image...**.
Open terminal from **Lubuntu's menu** -> **Accessories**.
Execute:
```bash
sudo apt-get update
sudo apt-get install build-essential -y
cd /media/*/*/
sudo ./VBoxLinuxAdditions.run
```
After that, create a folder called `toxbuild` somewhere on your Windows system. The go to **Devices** -> **Shared Folders Settings...** in the VirtualBox menu, add the `toxbuild` folder there and set **Auto-mount** and **Make Permanent** options.
Execute:
```bash
sudo adduser `whoami` vboxsf
```
Note the use of a [grave accent](http://en.wikipedia.org/wiki/Grave_accent) instead of an apostrophe.
Then just reboot the system with:
```bash
sudo reboot
```
After the system is booted, go to **Devices** -> **Shared Clipboard** and select **Bidirectional**. Now you will be able to copy-paste text between the host and the guest systems.
Now that the virtual machine is all set up, let's move to getting build dependencies and setting up environment variables.
<a name="windows-cross-compile-environment" />
#####Setting up the environment
First we will install all tools that we would need for building:
```bash
sudo apt-get install build-essential libtool autotools-dev automake checkinstall check git yasm pkg-config mingw-w64 -y
```
Then we will define a few variables, **depending on which you will build either 32-bit or 64-bit Tox**.
For 32-bit Tox build, do:
```bash
WINDOWS_TOOLCHAIN=i686-w64-mingw32
LIB_VPX_TARGET=x86-win32-gcc
```
For 64-bit Tox build, do:
```bash
WINDOWS_TOOLCHAIN=x86_64-w64-mingw32
LIB_VPX_TARGET=x86_64-win64-gcc
```
This is the only difference between 32-bit and 64-bit build procedures.
For speeding up the build process do:
```
MAKEFLAGS=j$(nproc)
export MAKEFLAGS
```
And let's make a folder where we will be building everything at
```bash
cd ~
mkdir prefix
cd prefix
PREFIX_DIR=$(pwd)
cd ..
mkdir build
cd build
```
<a name="windows-cross-compile-compiling" />
#####Compiling
Now we will build libraries needed for audio/video: VPX and Opus.
VPX:
```bash
git clone http://git.chromium.org/webm/libvpx.git
cd libvpx
git checkout tags/v1.3.0
CROSS="$WINDOWS_TOOLCHAIN"- ./configure --target="$LIB_VPX_TARGET" --prefix="$PREFIX_DIR" --disable-examples --disable-unit-tests --disable-shared --enable-static
make
make install
cd ..
```
Opus:
```bash
wget http://downloads.xiph.org/releases/opus/opus-1.1.tar.gz
tar -xf opus-1.1.tar.gz
cd opus-1.1
./configure --host="$WINDOWS_TOOLCHAIN" --prefix="$PREFIX_DIR" --disable-extra-programs --disable-doc --disable-shared --enable-static
make
make install
cd ..
```
Now we will build sodium crypto library:
```bash
git clone https://github.com/jedisct1/libsodium/
cd libsodium
git checkout tags/0.4.5
./autogen.sh
./configure --host="$WINDOWS_TOOLCHAIN" --prefix="$PREFIX_DIR" --disable-shared --enable-static
make
make install
cd ..
```
And finally we will build Tox:
```bash
git clone https://github.com/irungentoo/toxcore
cd toxcore
./autogen.sh
./configure --host="$WINDOWS_TOOLCHAIN" --prefix="$PREFIX_DIR" --disable-ntox --disable-tests --disable-testing --with-dependency-search="$PREFIX_DIR" --disable-shared --enable-static
make
make install
cd ..
```
Then we make Tox shared library:
```bash
cd "$PREFIX_DIR"
mkdir tmp
cd tmp
$WINDOWS_TOOLCHAIN-ar x ../lib/libtoxcore.a
$WINDOWS_TOOLCHAIN-ar x ../lib/libtoxav.a
$WINDOWS_TOOLCHAIN-ar x ../lib/libtoxdns.a
$WINDOWS_TOOLCHAIN-gcc -Wl,--export-all-symbols -Wl,--out-implib=libtox.dll.a -shared -o libtox.dll *.o ../lib/*.a /usr/$WINDOWS_TOOLCHAIN/lib/libwinpthread.a -lws2_32 -static-libgcc
```
And we will copy it over to the `toxbuild` directory:
```bash
mkdir -p /media/sf_toxbuild/release/lib
mv libtox.dll* /media/sf_toxbuild/release/lib
mkdir -p /media/sf_toxbuild/release/include
mv ../include/tox /media/sf_toxbuild/release/include
```
That's it. Now you should have `release/lib/libtox.dll` and `release/include/tox/<headers>` in your `toxbuild` directory on the Windows system.
<a name="windows-native" />
####Native
Note that the Native instructions are incomplete, in a sense that they miss instructions needed for adding audio/video support to Tox. You also might stumble upon some unknown MinGW+msys issues while trying to build it.
You should install:
- [MinGW](http://sourceforge.net/projects/mingw/)
When installing MinGW, make sure to select the MSYS option in the installer.
MinGW will install an "MinGW shell" (you should get a shortcut for it), make
sure to perform all operations (i.e., generating/running configure script, compiling, etc.) from the MinGW shell.
MinGW will install an "MinGW shell" (you should get a shortcut for it), make sure to perform all operations (i.e., generating/running configure script, compiling, etc.) from the MinGW shell.
First download the source tarball from https://download.libsodium.org/libsodium/releases/ and build it.
Assuming that you got the libsodium-0.5.0.tar.gz release:
@ -194,8 +369,7 @@ make install
cd ..
```
You can also use a precompiled win32 binary of libsodium, however you will have
to place the files in places where they can be found, i.e., dll's go to /bin headers to /include and libraries to /lib directories in your MinGW shell.
You can also use a precompiled win32 binary of libsodium, however you will have to place the files in places where they can be found, i.e., dll's go to /bin headers to /include and libraries to /lib directories in your MinGW shell.
Next, install ProjectTox-Core library, should either clone this repo by using git, or just download a [zip of current Master branch](https://github.com/irungentoo/ProjectTox-Core/archive/master.zip) and extract it somewhere.
@ -334,5 +508,4 @@ yum install ncurses-devel
Install on ubuntu:
```bash
sudo apt-get install ncurses-dev
```
```