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https://github.com/pytorch/pytorch.git
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303ed8af44
Summary: Closes https://github.com/caffe2/caffe2/pull/1496 Reviewed By: pietern Differential Revision: D6379743 Pulled By: bddppq fbshipit-source-id: 1cb2238e5708547767729de3ac1d3e1a76ed5ba1
82 lines
2.7 KiB
Bash
Executable File
82 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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##############################################################################
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# Example command to build the iOS target.
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##############################################################################
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#
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# This script shows how one can build a Caffe2 binary for the iOS platform
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# using ios-cmake. This is very similar to the android-cmake - see
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# build_android.sh for more details.
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set -e
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CAFFE2_ROOT="$( cd "$(dirname "$0")"/.. ; pwd -P)"
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# Build protobuf from third_party so we have a host protoc binary.
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echo "Building protoc"
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BITCODE_FLAGS="-DCMAKE_C_FLAGS=-fembed-bitcode -DCMAKE_CXX_FLAGS=-fembed-bitcode "
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$CAFFE2_ROOT/scripts/build_host_protoc.sh --other-flags $BITCODE_FLAGS
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# Now, actually build the iOS target.
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BUILD_ROOT=${BUILD_ROOT:-"$CAFFE2_ROOT/build_ios"}
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mkdir -p $BUILD_ROOT
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cd $BUILD_ROOT
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CMAKE_ARGS=()
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# Use locally built protoc because we'll build libprotobuf for the
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# target architecture and need an exact version match.
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CMAKE_ARGS+=("-DCAFFE2_CUSTOM_PROTOC_EXECUTABLE=$CAFFE2_ROOT/build_host_protoc/bin/protoc")
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# Use ios-cmake to build iOS project from CMake.
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# This projects sets CMAKE_C_COMPILER to /usr/bin/gcc and
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# CMAKE_CXX_COMPILER to /usr/bin/g++. In order to use ccache (if it is available) we
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# must override these variables via CMake arguments.
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CMAKE_ARGS+=("-DCMAKE_TOOLCHAIN_FILE=$CAFFE2_ROOT/third_party/ios-cmake/toolchain/iOS.cmake")
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CCACHE_WRAPPER_PATH=/usr/local/opt/ccache/libexec
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if [ -d "$CCACHE_WRAPPER_PATH" ]; then
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CMAKE_ARGS+=("-DCMAKE_C_COMPILER=$CCACHE_WRAPPER_PATH/gcc")
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CMAKE_ARGS+=("-DCMAKE_CXX_COMPILER=$CCACHE_WRAPPER_PATH/g++")
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fi
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# IOS_PLATFORM controls type of iOS platform (see ios-cmake)
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if [ -n "${IOS_PLATFORM:-}" ]; then
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CMAKE_ARGS+=("-DIOS_PLATFORM=${IOS_PLATFORM}")
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else
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# IOS_PLATFORM is not set, default to OS, which builds iOS.
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CMAKE_ARGS+=("-DIOS_PLATFORM=OS")
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fi
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# Don't build binaries or tests (only the library)
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CMAKE_ARGS+=("-DBUILD_TEST=OFF")
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CMAKE_ARGS+=("-DBUILD_BINARY=OFF")
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CMAKE_ARGS+=("-DBUILD_PYTHON=OFF")
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# Disable unused dependencies
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CMAKE_ARGS+=("-DUSE_CUDA=OFF")
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CMAKE_ARGS+=("-DUSE_OPENCV=OFF")
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CMAKE_ARGS+=("-DUSE_LMDB=OFF")
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CMAKE_ARGS+=("-DUSE_LEVELDB=OFF")
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CMAKE_ARGS+=("-DUSE_MPI=OFF")
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# pthreads
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CMAKE_ARGS+=("-DCMAKE_THREAD_LIBS_INIT=-lpthread")
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CMAKE_ARGS+=("-DCMAKE_HAVE_THREADS_LIBRARY=1")
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CMAKE_ARGS+=("-DCMAKE_USE_PTHREADS_INIT=1")
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# Only toggle if VERBOSE=1
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if [ "${VERBOSE:-}" == '1' ]; then
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CMAKE_ARGS+=("-DCMAKE_VERBOSE_MAKEFILE=1")
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fi
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CMAKE_ARGS+=("-DCMAKE_C_FLAGS=-fembed-bitcode")
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CMAKE_ARGS+=("-DCMAKE_CXX_FLAGS=-fembed-bitcode")
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cmake "$CAFFE2_ROOT" \
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-DCMAKE_INSTALL_PREFIX=../install \
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-DCMAKE_BUILD_TYPE=Release \
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-DBUILD_SHARED_LIBS=OFF \
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${CMAKE_ARGS[@]} \
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$@
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cmake --build . -- "-j$(sysctl -n hw.ncpu)"
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