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##Build instructions for Xcode 7.2.1

###Prepare folder

Choose a folder for the future build, for example /Users/user/TBuild

There you will have two folders, Libraries for third-party libs and tdesktop (or tdesktop-master) for the app.

You will need this hierarchy to be able to follow this README !

###Clone source code

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

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

or:

  • download in ZIP and extract to /Users/user/TBuild
  • rename tdesktop-master to tdesktop.

The path to Telegram.xcodeproj should now be: /Users/user/TBuild/tdesktop/Telegram/Telegram.xcodeproj

###Prepare libraries

In your build Terminal run:

MACOSX_DEPLOYMENT_TARGET=10.8

to set minimal supported OS version to 10.8 for future console builds.

####zlib 1.2.8

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

Extract to /Users/user/TBuild/Libraries

#####Building library

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

CFLAGS="-mmacosx-version-min=10.8" LDFLAGS="-mmacosx-version-min=10.8" ./configure
make
sudo make install

####OpenSSL 1.0.1g

#####Get openssl-xcode project file

From https://github.com/telegramdesktop/openssl-xcode with git in Terminal:

or:

  • download in ZIP and extract to /Users/user/TBuild/Libraries,
  • rename openssl-xcode-master to openssl-xcode

The path to openssl.xcodeproj should now be: /Users/user/TBuild/Libraries/openssl-xcode/openssl.xcodeproj

#####Get the source code:

Download openssl-1.0.1h.tar.gz (4.3 Mb)

  • Extract openssl-1.0.1h.tar.gz
  • Copy everything from openssl-1.0.1h to /Users/user/TBuild/Libraries/openssl-xcode

The folder include of openssl should be: /Users/user/TBuild/Libraries/openssl-xcode/include

#####Building library

  • Open /Users/user/TBuild/Libraries/openssl-xcode/openssl.xcodeproj with Xcode
  • Product > Build

####liblzma #####Get the source code

Download xz-5.0.5.tar.gz

Extract to /Users/user/TBuild/Libraries

#####Building library

In Terminal go to /Users/user/TBuild/Libraries/xz-5.0.5 and there run:

./configure
make
sudo make install

####zlib 1.2.8

Using the system lib

####libexif 0.6.20 #####Get the source code

From https://github.com/telegramdesktop/libexif-0.6.20 with git in Terminal:

  • go to /Users/user/TBuild/Libraries

  • run:

     git clone https://github.com/telegramdesktop/libexif-0.6.20.git

or:

  • download in ZIP
  • extract to /Users/user/TBuild/Libraries
  • rename libexif-0.6.20-master to libexif-0.6.20

The folder configure should have this path: /Users/user/TBuild/Libraries/libexif-0.6.20/configure

#####Building library

In Terminal go to /Users/user/TBuild/Libraries/libexif-0.6.20 and there run

./configure
make
sudo make install

####OpenAL Soft

Get sources by git – in Terminal go to /Users/user/TBuild/Libraries and run

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

to have /Users/user/TBuild/Libraries/openal-soft/CMakeLists.txt

#####Building library

In Terminal go to /Users/user/TBuild/Libraries/openal-soft/build and there run

cmake -D LIBTYPE:STRING=STATIC -D CMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.8 ..
make
sudo make install

####Opus codec #####Get the source code

#####Building library

In Terminal go to /Users/user/TBuild/Libraries/pkg-config-0.28 and run:

./configure --with-internal-glib
make
sudo make install

then go to /Users/user/TBuild/Libraries/opus and run:

./configure
make
sudo make install

####FFmpeg and Libiconv #####Get the source code

In Terminal go to /Users/user/TBuild/Libraries and run:

git clone https://github.com/FFmpeg/FFmpeg.git ffmpeg
cd ffmpeg
git checkout release/2.8

#####Building library

In Terminal go to /Users/user/TBuild/Libraries/libiconv-1.14 and run:

./configure --enable-static
make
sudo make install

Then in Terminal go to /Users/user/TBuild/Libraries/ffmpeg and run:

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

brew install automake fdk-aac git lame libass libtool libvorbis libvpx opus sdl shtool texi2html theora wget x264 xvid yasm

CFLAGS=`freetype-config --cflags`
LDFLAGS=`freetype-config --libs`
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig:/usr/lib/pkgconfig:/usr/X11/lib/pkgconfig

./configure --prefix=/usr/local --disable-programs --disable-doc --disable-everything --disable-pthreads --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=h264_vda --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=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=mpeg4_videotoolbox --enable-hwaccel=h264_vda --enable-hwaccel=h264_videotoolbox --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 --extra-cflags="-mmacosx-version-min=10.8" --extra-cxxflags="-mmacosx-version-min=10.8" --extra-ldflags="-mmacosx-version-min=10.8"

make
sudo make install

####Qt 5.5.1, slightly patched #####Get the source code

In Terminal go to /Users/user/TBuild/Libraries and run:

git clone git://code.qt.io/qt/qt5.git QtStatic
cd QtStatic
git checkout 5.5
perl init-repository --module-subset=qtbase,qtimageformats
git checkout v5.5.1
cd qtimageformats && git checkout v5.5.1 && cd ..
cd qtbase && git checkout v5.5.1 && cd ..

#####Apply the patch

From /Users/user/TBuild/Libraries/QtStatic/qtbase, run:

git apply ../../../tdesktop/Telegram/_qtbase_5_5_1_patch.diff

#####Building library

Go to /Users/user/TBuild/Libraries/QtStatic and run:

./configure -debug-and-release -force-debug-info -opensource -confirm-license -static -opengl desktop -no-openssl -securetransport -nomake examples -nomake tests -platform macx-clang
make -j4
sudo make -j4 install

Building (make command) will take a really long time.

####Google Crashpad

#####Install gyp

In Terminal go to /Users/user/TBuild/Libraries and run:

git clone https://chromium.googlesource.com/external/gyp
git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
cd gyp
./setup.py build
sudo setup.py install
cd ..

#####Build crashpad

In Terminal go to /Users/user/TBuild/Libraries and run:

export PATH=/Users/user/TBuild/Libraries/depot_tools:$PATH:/Users/user/TBuild/Libraries/gyp
mkdir crashpad
cd crashpad
fetch crashpad
cd crashpad/third_party/mini_chromium/mini_chromium
git apply ../../../../../../tdesktop/Telegram/_mini_chromium_patch.diff
cd ../../../
build/gyp_crashpad.py -Dmac_deployment_target=10.8
ninja -C out/Release

###Building Telegram Desktop

  • Launch Xcode, all projects will be taken from /Users/user/TBuild/tdesktop/Telegram
  • Open MetaStyle.xcodeproj and build for Debug (Release optionally)
  • Open MetaEmoji.xcodeproj and build for Debug (Release optionally)
  • Open MetaLang.xcodeproj and build for Debug (Release optionally)
  • Open Telegram.xcodeproj and build for Debug
  • Build Updater target as well, it is required for Telegram relaunch
  • Release Telegram build will require removing CUSTOM_API_ID definition in Telegram target settings (Apple LLVM 6.1 - Custom Compiler Flags > Other C / C++ Flags > Release)