42 lines
1.7 KiB
Bash
42 lines
1.7 KiB
Bash
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#!/bin/bash
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#
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# Builds protobuf python including the C++ extension with aarch64 crosscompiler.
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# The outputs of this script are laid out so that we can later test them under an aarch64 emulator.
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# NOTE: This script is expected to run under the dockcross/manylinux2014-aarch64 docker image.
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set -ex
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PYTHON="/opt/python/cp38-cp38/bin/python"
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./autogen.sh
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CXXFLAGS="-fPIC -g -O2" ./configure --host=aarch64
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make -j8
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# create a simple shell wrapper that runs crosscompiled protoc under qemu
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echo '#!/bin/bash' >protoc_qemu_wrapper.sh
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echo 'exec qemu-aarch64 "../src/protoc" "$@"' >>protoc_qemu_wrapper.sh
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chmod ugo+x protoc_qemu_wrapper.sh
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# PROTOC variable is by build_py step that runs under ./python directory
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export PROTOC=../protoc_qemu_wrapper.sh
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pushd python
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# NOTE: this step will use protoc_qemu_wrapper.sh to generate protobuf files.
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${PYTHON} setup.py build_py
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# when crosscompiling for aarch64, --plat-name needs to be set explicitly
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# to end up with correctly named wheel file
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# the value should be manylinuxABC_ARCH and dockcross docker image
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# conveniently provides the value in the AUDITWHEEL_PLAT env
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plat_name_flag="--plat-name=$AUDITWHEEL_PLAT"
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# override the value of EXT_SUFFIX to make sure the crosscompiled .so files in the wheel have the correct filename suffix
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export PROTOCOL_BUFFERS_OVERRIDE_EXT_SUFFIX="$(${PYTHON} -c 'import sysconfig; print(sysconfig.get_config_var("EXT_SUFFIX").replace("-x86_64-linux-gnu.so", "-aarch64-linux-gnu.so"))')"
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# Build the python extension inplace to be able to python unittests later
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${PYTHON} setup.py build_ext --cpp_implementation --compile_static_extension --inplace
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# Build the binary wheel (to check it with auditwheel)
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${PYTHON} setup.py bdist_wheel --cpp_implementation --compile_static_extension $plat_name_flag
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