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PyO3 provides Rust bindings for Python, including tools for creating native Python extension modules. Running and interacting with Python code from a Rust binary is also supported. This class sets up the cross-compilation environment. Export PYO3_CROSS, PYO3_CROSS_LIB_DIR, PYO3_CROSS_INCLUDE_DIR and CARGO_BUILD_TARGET to inform tools like setuptools-rust we are cross-compiling. Export RUSTFLAGS so cargo can find 'std' and 'core' for target Dynamically generate PyO3 config file and export PYO3_CONFIG_FILE absolute path. This is the trick that finally made pyo3 work. (From OE-Core rev: f3130197ed93fd60b4cad326940b02a5554ed089) Signed-off-by: Tim Orling <tim.orling@konsulko.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
31 lines
767 B
Plaintext
31 lines
767 B
Plaintext
#
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# This class helps make sure that Python extensions built with PyO3
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# and setuptools_rust properly set up the environment for cross compilation
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#
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inherit cargo python3-dir siteinfo
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export PYO3_CROSS="1"
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export PYO3_CROSS_PYTHON_VERSION="${PYTHON_BASEVERSION}"
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export PYO3_CROSS_LIB_DIR="${STAGING_LIBDIR}"
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export CARGO_BUILD_TARGET="${HOST_SYS}"
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export RUSTFLAGS
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export PYO3_PYTHON="${PYTHON}"
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export PYO3_CONFIG_FILE="${WORKDIR}/pyo3.config"
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pyo3_do_configure () {
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cat > ${WORKDIR}/pyo3.config << EOF
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implementation=CPython
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version=${PYTHON_BASEVERSION}
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shared=true
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abi3=false
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lib_name=${PYTHON_DIR}
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lib_dir=${STAGING_LIBDIR}
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pointer_width=${SITEINFO_BITS}
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build_flags=WITH_THREAD
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suppress_build_script_link_lines=false
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EOF
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}
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EXPORT_FUNCTIONS do_configure
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