## Build instructions for Xcode 10.1
**NB** These are outdated, please refer to [Building using Xcode][xcode] instructions.
### Download libraries
Download [**libiconv-1.15**](http://www.gnu.org/software/libiconv/#downloading) and unpack to ***BuildPath*/Libraries/macold/libiconv-1.15**
### Clone source code and prepare libraries
Go to ***BuildPath*** and run
MAKE_THREADS_CNT=-j4
MACOSX_DEPLOYMENT_TARGET=10.6
git clone --recursive https://github.com/telegramdesktop/tdesktop.git
cd Libraries/macold
git clone https://github.com/llvm/llvm-project.git llvm
cd llvm
git checkout release/7.x
cd ../../
mkdir libcxxabi
cd libcxxabi
LDFLAGS="-isysroot / -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib/" cmake -G "Unix Makefiles" -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.6 -DCMAKE_BUILD_TYPE:STRING=Release -DCMAKE_INSTALL_PREFIX:PATH=/usr/local/macold -DLLVM_PATH=../llvm -DLIBCXXABI_LIBCXX_PATH=../llvm/libcxx -DLIBCXXABI_LIBCXX_INCLUDES=../llvm/libcxx/include ../llvm/libcxxabi/
make $MAKE_THREADS_CNT
sudo make install
cd ../
mkdir libcxx
cd libcxx
LDFLAGS="-isysroot / -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib/" cmake -G "Unix Makefiles" -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.6 -DCMAKE_BUILD_TYPE:STRING=Release -DCMAKE_INSTALL_PREFIX:PATH=/usr/local/macold -DLIBCXX_ENABLE_SHARED:BOOL=NO -DLIBCXX_CXX_ABI:STRING=libstdc++ -DLIBCXX_CXX_ABI_INCLUDE_PATHS="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/4.2.1/" -DLLVM_PATH=../llvm/ ../llvm/libcxx/
make $MAKE_THREADS_CNT
sudo make install
cd ../
git clone https://github.com/telegramdesktop/zlib.git
cd zlib
prefix=/usr/local/macold CFLAGS="-mmacosx-version-min=10.6" LDFLAGS="-mmacosx-version-min=10.6" ./configure
make $MAKE_THREADS_CNT
sudo make install
cd ..
git clone https://github.com/openssl/openssl
cd openssl
git checkout OpenSSL_1_0_1-stable
./Configure --install_prefix=/usr/local/macold darwin64-x86_64-cc -static -mmacosx-version-min=10.6
make build_libs $MAKE_THREADS_CNT
cd ..
git clone https://github.com/xiph/opus
cd opus
git checkout v1.3
./autogen.sh
CFLAGS="-mmacosx-version-min=10.6" CPPFLAGS="-mmacosx-version-min=10.6" LDFLAGS="-mmacosx-version-min=10.6" ./configure --prefix=/usr/local/macold
make $MAKE_THREADS_CNT
sudo make install
cd ..
cd libiconv-1.15
CFLAGS="-mmacosx-version-min=10.6" CPPFLAGS="-mmacosx-version-min=10.6 -nostdinc++" LDFLAGS="-mmacosx-version-min=10.6" ./configure --enable-static --prefix=/usr/local/macold
make $MAKE_THREADS_CNT
sudo make install
cd ..
git clone https://github.com/FFmpeg/FFmpeg.git ffmpeg
cd ffmpeg
git checkout release/3.4
CFLAGS=`freetype-config --cflags`
LDFLAGS=`freetype-config --libs`
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig:/usr/lib/pkgconfig:/usr/X11/lib/pkgconfig
./configure --prefix=/usr/local/macold \
--extra-cflags="-mmacosx-version-min=10.6" \
--extra-cxxflags="-mmacosx-version-min=10.6" \
--extra-ldflags="-mmacosx-version-min=10.6" \
--enable-protocol=file --enable-libopus \
--disable-programs \
--disable-doc \
--disable-network \
--disable-everything \
--enable-decoder=aac \
--enable-decoder=aac_at \
--enable-decoder=aac_fixed \
--enable-decoder=aac_latm \
--enable-decoder=aasc \
--enable-decoder=alac \
--enable-decoder=alac_at \
--enable-decoder=flac \
--enable-decoder=gif \
--enable-decoder=h264 \
--enable-decoder=hevc \
--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-parser=aac \
--enable-parser=aac_latm \
--enable-parser=flac \
--enable-parser=h264 \
--enable-parser=hevc \
--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=hevc \
--enable-demuxer=m4v \
--enable-demuxer=mov \
--enable-demuxer=mp3 \
--enable-demuxer=ogg \
--enable-demuxer=wav \
--enable-muxer=ogg \
--enable-muxer=opus
make $MAKE_THREADS_CNT
sudo make install
cd ..
git clone git://repo.or.cz/openal-soft.git
cd openal-soft
git checkout v1.19
cd build
LDFLAGS="/usr/local/macold/lib/libc++.a /usr/local/macold/lib/libc++abi.a -isysroot / -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib/" cmake -D ALSOFT_EXAMPLES=OFF -D LIBTYPE:STRING=STATIC -D CMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.6 -D CMAKE_INSTALL_PREFIX:STRING=/usr/local/macold ..
make $MAKE_THREADS_CNT
sudo make install
cd ../..
git clone https://github.com/telegramdesktop/libexif-0.6.20.git
cd libexif-0.6.20
CFLAGS="-mmacosx-version-min=10.6" CPPFLAGS="-mmacosx-version-min=10.6 -nostdinc++" LDFLAGS="-mmacosx-version-min=10.6" ./configure --prefix=/usr/local/macold
make $MAKE_THREADS_CNT
sudo make install
cd ..
git clone https://chromium.googlesource.com/crashpad/crashpad.git
cd crashpad
git checkout feb3aa3923
git apply ../../../tdesktop/Telegram/Patches/macold/crashpad.diff
cd third_party/mini_chromium
git clone https://chromium.googlesource.com/chromium/mini_chromium
cd mini_chromium
git checkout 7c5b0c1ab4
git apply ../../../../../../tdesktop/Telegram/Patches/macold/mini_chromium.diff
cd ../../gtest
git clone https://chromium.googlesource.com/external/github.com/google/googletest gtest
cd gtest
git checkout d62d6c6556
cd ../../../
build/gyp_crashpad.py -Dmac_deployment_target=10.6
ninja -C out/Debug
ninja -C out/Release
cd ..
CurDir=`pwd`
git clone git://code.qt.io/qt/qt5.git qt5_3_2
cd qt5_3_2
perl init-repository --module-subset=qtbase,qtimageformats
git checkout v5.3.2
cd qtimageformats && git checkout v5.3.2 && git apply ../../../../tdesktop/Telegram/Patches/macold/qtimageformats_5_3_2.diff && cd ..
cd qtbase && git checkout v5.3.2 && git apply ../../../../tdesktop/Telegram/Patches/macold/qtbase_5_3_2.diff && cd ..
OPENSSL_LIBS="$CurDir/openssl/libssl.a $CurDir/openssl/libcrypto.a" ./configure -prefix "/usr/local/macold/Qt-5.3.2" -debug-and-release -force-debug-info -opensource -confirm-license -static -opengl desktop -openssl-linked -I "$CurDir/openssl/include" -I "/usr/local/macold/include/c++/v1" -no-glib -nomake examples -nomake tests -platform macx-g++
make $MAKE_THREADS_CNT
sudo make install
cd ..
[xcode]: building-xcode.md