Choose a folder for the future build, for example /Users/user/TBuild. It will be named BuildPath in the rest of this document. All commands will be launched from Terminal.
You will require api_id and api_hash to access the Telegram API servers. To learn how to obtain them click here.
Download xz-5.0.5 and unpack to BuildPath/Libraries/xz-5.0.5
Download libiconv-1.15 and unpack to BuildPath/Libraries/libiconv-1.15
Go to BuildPath and run
MACOSX_DEPLOYMENT_TARGET=10.8
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew install automake fdk-aac git lame libass libtool libvorbis libvpx opus sdl shtool texi2html theora wget x264 xvid yasm
sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
git clone --recursive https://github.com/telegramdesktop/tdesktop.git
cd Libraries
git clone https://github.com/ericniebler/range-v3
cd xz-5.0.5
CFLAGS="-mmacosx-version-min=10.8" LDFLAGS="-mmacosx-version-min=10.8" ./configure
make
sudo make install
cd ..
git clone https://github.com/Kitware/CMake
cd CMake
./bootstrap
make -j4
sudo make install
cd ..
git clone https://github.com/telegramdesktop/zlib.git
cd zlib
CFLAGS="-mmacosx-version-min=10.8" LDFLAGS="-mmacosx-version-min=10.8" ./configure
make -j4
sudo make install
cd ..
git clone https://github.com/openssl/openssl
cd openssl
git checkout OpenSSL_1_0_1-stable
./Configure darwin64-x86_64-cc -static -mmacosx-version-min=10.8
make build_libs -j4
cd ..
git clone https://github.com/xiph/opus
cd opus
git checkout v1.2.1
./autogen.sh
CFLAGS="-mmacosx-version-min=10.8" CPPFLAGS="-mmacosx-version-min=10.8" LDFLAGS="-mmacosx-version-min=10.8" ./configure
make -j4
sudo make install
cd ..
cd libiconv-1.15
CFLAGS="-mmacosx-version-min=10.8" CPPFLAGS="-mmacosx-version-min=10.8" LDFLAGS="-mmacosx-version-min=10.8" ./configure --enable-static
make -j4
sudo make install
cd ..
git clone https://github.com/FFmpeg/FFmpeg.git ffmpeg
cd ffmpeg
git checkout release/3.4
CFLAGS=`freetype-config --cflags`
LDFLAGS=`freetype-config --libs`
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig:/usr/lib/pkgconfig:/usr/X11/lib/pkgconfig
./configure --prefix=/usr/local --disable-programs --disable-doc --disable-everything --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_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=pcm_alaw --enable-decoder=pcm_alaw_at --enable-decoder=pcm_f32be --enable-decoder=pcm_f32le --enable-decoder=pcm_f64be --enable-decoder=pcm_f64le --enable-decoder=pcm_lxf --enable-decoder=pcm_mulaw --enable-decoder=pcm_mulaw_at --enable-decoder=pcm_s16be --enable-decoder=pcm_s16be_planar --enable-decoder=pcm_s16le --enable-decoder=pcm_s16le_planar --enable-decoder=pcm_s24be --enable-decoder=pcm_s24daud --enable-decoder=pcm_s24le --enable-decoder=pcm_s24le_planar --enable-decoder=pcm_s32be --enable-decoder=pcm_s32le --enable-decoder=pcm_s32le_planar --enable-decoder=pcm_s64be --enable-decoder=pcm_s64le --enable-decoder=pcm_s8 --enable-decoder=pcm_s8_planar --enable-decoder=pcm_u16be --enable-decoder=pcm_u16le --enable-decoder=pcm_u24be --enable-decoder=pcm_u24le --enable-decoder=pcm_u32be --enable-decoder=pcm_u32le --enable-decoder=pcm_u8 --enable-decoder=pcm_zork --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 -j4
sudo make install
cd ..
git clone git://repo.or.cz/openal-soft.git
cd openal-soft
git checkout openal-soft-1.19.1
cd build
LDFLAGS='-isysroot /' cmake -D LIBTYPE:STRING=STATIC -D CMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.8 ..
make -j4
sudo make install
cd ../..
git clone https://chromium.googlesource.com/external/gyp
git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
export PATH="$PWD/depot_tools:$PATH"
cd gyp
git checkout 702ac58e47
git apply ../../tdesktop/Telegram/Patches/gyp.diff
./setup.py build
sudo ./setup.py install
cd ..
git clone https://chromium.googlesource.com/crashpad/crashpad.git
cd crashpad
git checkout feb3aa3923
git apply ../../tdesktop/Telegram/Patches/crashpad.diff
cd third_party/mini_chromium
git clone https://chromium.googlesource.com/chromium/mini_chromium
cd mini_chromium
git checkout 7c5b0c1ab4
git apply ../../../../../tdesktop/Telegram/Patches/mini_chromium.diff
cd ../../gtest
git clone https://chromium.googlesource.com/external/github.com/google/googletest gtest
cd gtest
git checkout d62d6c6556
cd ../../..
build/gyp_crashpad.py -Dmac_deployment_target=10.8
ninja -C out/Debug
ninja -C out/Release
cd ..
git clone git://code.qt.io/qt/qt5.git qt5_6_2
cd qt5_6_2
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 && git apply ../../../tdesktop/Telegram/Patches/qtbase_5_6_2.diff && cd ..
./configure -prefix "/usr/local/tdesktop/Qt-5.6.2" -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 install
cd ..
Go to BuildPath/tdesktop/Telegram and run
gyp/refresh.sh
Then launch Xcode, open BuildPath/tdesktop/Telegram/Telegram.xcodeproj and build for Debug / Release.