tdesktop/doc/building-cmake.md

##Build instructions for GYP/CMake under Ubuntu 12.04

###Prepare

• Install git by command sudo apt-get install git in Terminal
• Install g++ by command sudo apt-get install g++ in Terminal

You need to install g++ version 6 manually by such commands

• sudo add-apt-repository ppa:ubuntu-toolchain-r/test
• sudo apt-get update
• sudo apt-get install gcc-6 g++-6
• sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 60
• sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-6 60

###Prepare folder

Choose a folder for the future build, for example /home/user/TBuild There you will have two folders, Libraries for third-party libs and tdesktop (or tdesktop-master) for the app.

###Clone source code

By git – in Terminal go to /home/user/TBuild and run

git clone --recursive https://github.com/telegramdesktop/tdesktop.git

###Prepare libraries

Install dev libraries

sudo apt-get install libexif-dev liblzma-dev libz-dev libssl-dev libappindicator-dev libunity-dev libicu-dev libdee-dev

####zlib 1.2.8

http://www.zlib.net/ > Download zlib source code, version 1.2.8, zipfile format

Extract to /home/user/TBuild/Libraries

#####Building library

In Terminal go to /home/user/TBuild/Libraries/zlib-1.2.8 and run:

    ./configure
    make
    sudo make install

Install audio libraries

####Opus codec 1.1

Download opus-1.1 sources from http://www.opus-codec.org/downloads, extract to /home/user/TBuild/Libraries, go to /home/user/TBuild/Libraries/opus-1.1 and run

./configure
make
sudo make install

####FFmpeg

In Terminal go to /home/user/TBuild/Libraries and run

git clone git://anongit.freedesktop.org/git/libva
cd libva
./autogen.sh --enable-static
make
sudo make install
cd ..

git clone git://anongit.freedesktop.org/vdpau/libvdpau
cd libvdpau
./autogen.sh --enable-static
make
sudo make install
cd ..

git clone https://github.com/FFmpeg/FFmpeg.git ffmpeg
cd ffmpeg
git checkout release/3.2

sudo apt-get update
sudo apt-get -y --force-yes install autoconf automake build-essential libass-dev libfreetype6-dev libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-shm0-dev libxcb-xfixes0-dev pkg-config texi2html zlib1g-dev
sudo apt-get install yasm

./configure --prefix=/usr/local --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=h264_vdpau --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=mpeg4_vdpau --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=opus --enable-decoder=vorbis --enable-decoder=wavpack --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-hwaccel=h264_vaapi --enable-hwaccel=h264_vdpau --enable-hwaccel=mpeg4_vaapi --enable-hwaccel=mpeg4_vdpau --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus

make
sudo make install

####PortAudio 19

Download portaudio sources from http://www.portaudio.com/download.html, extract to /home/user/TBuild/Libraries, go to /home/user/TBuild/Libraries/portaudio and run

./configure
make
sudo make install

####OpenAL Soft

In Terminal go to /home/user/TBuild/Libraries and run

git clone git://repo.or.cz/openal-soft.git

then go to /home/user/TBuild/Libraries/openal-soft/build and run

sudo apt-get install cmake
cmake -D LIBTYPE:STRING=STATIC ..
make
sudo make install

####OpenSSL

In Terminal go to /home/user/TBuild/Libraries and run

git clone https://github.com/openssl/openssl
cd openssl
git checkout OpenSSL_1_0_1-stable
./config
make
sudo make install

####libxkbcommon (required for Fcitx Qt plugin)

In Terminal go to /home/user/TBuild/Libraries and run

sudo apt-get install xutils-dev bison python-xcbgen
git clone https://github.com/xkbcommon/libxkbcommon.git
cd libxkbcommon
./autogen.sh --disable-x11
make
sudo make install

####Qt 5.6.2, slightly patched

In Terminal go to /home/user/TBuild/Libraries and run

git clone git://code.qt.io/qt/qt5.git qt5_6_2
cd qt5_6_2
git checkout 5.6
perl init-repository --module-subset=qtbase,qtimageformats
git checkout v5.6.2
cd qtimageformats && git checkout v5.6.2 && cd ..
cd qtbase && git checkout v5.6.2 && cd ..

#####Apply the patch

cd qtbase && git apply ../../../tdesktop/Telegram/Patches/qtbase_5_6_2.diff && cd ..

#####Building library

Install some packages for Qt (see /home/user/TBuild/Libraries/qt5_6_2/qtbase/src/plugins/platforms/xcb/README)

sudo apt-get install libxcb1-dev libxcb-image0-dev libxcb-keysyms1-dev libxcb-icccm4-dev libxcb-render-util0-dev libxcb-util0-dev libxrender-dev libasound-dev libpulse-dev libxcb-sync0-dev libxcb-xfixes0-dev libxcb-randr0-dev libx11-xcb-dev libffi-dev

In Terminal go to /home/user/TBuild/Libraries/qt5_6_2 and there run

./configure -prefix "/usr/local/tdesktop/Qt-5.6.2" -release -force-debug-info -opensource -confirm-license -qt-zlib -qt-libpng -qt-libjpeg -qt-freetype -qt-harfbuzz -qt-pcre -qt-xcb -qt-xkbcommon-x11 -no-opengl -no-gtkstyle -static -openssl-linked -nomake examples -nomake tests
make -j4
sudo make install

building (make command) will take really long time.

####Google Breakpad

In Terminal go to /home/user/TBuild/Libraries and run

git clone https://chromium.googlesource.com/breakpad/breakpad
git clone https://chromium.googlesource.com/linux-syscall-support breakpad/src/third_party/lss
cd breakpad
./configure --prefix=$PWD
make
make install

####GYP and CMake

In Terminal go to /home/user/TBuild/Libraries and run

git clone https://chromium.googlesource.com/external/gyp
wget https://cmake.org/files/v3.6/cmake-3.6.2.tar.gz
tar -xf cmake-3.6.2.tar.gz
cd gyp
git apply ../../tdesktop/Telegram/Patches/gyp.diff
cd ../cmake-3.6.2
./configure
make

###Building Telegram Desktop

In Terminal go to /home/user/TBuild/tdesktop/Telegram and run

gyp/refresh.sh

To make Debug version go to /home/user/TBuild/tdesktop/out/Debug and run

make

To make Release version go to /home/user/TBuild/tdesktop/out/Release and run

make

You can debug your builds from Qt Creator, just open CMakeLists.txt from /home/user/TBuild/tdesktop/out/Debug and start debug.