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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
77 lines
2.6 KiB
Bash
Executable File
77 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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##############################################################################
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# Example command to build the android 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 Android platform
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# using android-cmake. A few notes:
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#
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# (1) This build also does a host build for protobuf. You will need autoconf
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# to carry out this. If autoconf is not possible, you will need to provide
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# a pre-built protoc binary that is the same version as the protobuf
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# version under third_party.
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# If you are building on Mac, you might need to install autotool and
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# libtool. The easiest way is via homebrew:
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# brew install automake
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# brew install libtool
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# (2) You will need to have android ndk installed. The current script assumes
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# that you set ANDROID_NDK to the location of ndk.
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# (3) The toolchain and the build target platform can be specified with the
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# cmake arguments below. For more details, check out android-cmake's doc.
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CAFFE2_ROOT="$( cd "$(dirname "$0")"/.. ; pwd -P)"
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echo "Caffe2 codebase root is: $CAFFE2_ROOT"
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if [ -z "$ANDROID_NDK" ]; then
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echo "Did you set ANDROID_NDK variable?"
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exit 1
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fi
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if [ -d "$ANDROID_NDK" ]; then
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echo "Using Android ndk at $ANDROID_NDK"
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else
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echo "Cannot find ndk: did you install it under $ANDROID_NDK?"
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exit 1
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fi
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# We are going to build the target into build_android.
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BUILD_ROOT=${BUILD_ROOT:-"$CAFFE2_ROOT/build_android"}
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mkdir -p $BUILD_ROOT
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echo "Build Caffe2 Android into: $BUILD_ROOT"
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# Build protobuf from third_party so we have a host protoc binary.
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echo "Building protoc"
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$CAFFE2_ROOT/scripts/build_host_protoc.sh || exit 1
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# Now, actually build the android target.
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echo "Building caffe2"
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cd $BUILD_ROOT
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cmake "$CAFFE2_ROOT" \
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-DCMAKE_TOOLCHAIN_FILE=../third_party/android-cmake/android.toolchain.cmake \
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-DCMAKE_INSTALL_PREFIX=../install \
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-DANDROID_NDK=$ANDROID_NDK \
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-DCMAKE_BUILD_TYPE=Release \
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-DANDROID_ABI="armeabi-v7a with NEON FP16" \
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-DANDROID_NATIVE_API_LEVEL=21 \
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-DUSE_CUDA=OFF \
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-DBUILD_TEST=OFF \
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-DUSE_LMDB=OFF \
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-DUSE_LEVELDB=OFF \
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-DBUILD_PYTHON=OFF \
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-DCAFFE2_CUSTOM_PROTOC_EXECUTABLE=$CAFFE2_ROOT/build_host_protoc/bin/protoc \
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-DCMAKE_VERBOSE_MAKEFILE=1 \
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-DUSE_MPI=OFF \
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-DUSE_OPENMP=OFF \
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-DBUILD_SHARED_LIBS=OFF \
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-DCMAKE_CXX_FLAGS_RELEASE=-s \
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-DUSE_OPENCV=OFF \
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$@ \
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|| exit 1
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# Cross-platform parallel build
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if [ "$(uname)" = 'Darwin' ]; then
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cmake --build . -- "-j$(sysctl -n hw.ncpu)"
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else
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cmake --build . -- "-j$(nproc)"
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fi
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