mirror of https://github.com/python/cpython
45 lines
1.3 KiB
Bash
45 lines
1.3 KiB
Bash
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#!/usr/bin/bash
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set -e -x
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# Quick check to avoid running configure just to fail in the end.
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if [ -f Programs/python.o ]; then
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echo "Can't do an out-of-tree build w/ an in-place build pre-existing (i.e., found Programs/python.o)" >&2
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exit 1
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fi
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if [ ! -f Modules/Setup.local ]; then
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touch Modules/Setup.local
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fi
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# TODO: check if `make` and `pkgconfig` are installed
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# TODO: detect if wasmtime is installed
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# Create the "build" Python.
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mkdir -p builddir/build
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pushd builddir/build
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../../configure -C
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make -s -j 4 all
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export PYTHON_VERSION=`./python -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")'`
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popd
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# Create the "host"/WASI Python.
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export CONFIG_SITE="$(pwd)/Tools/wasm/config.site-wasm32-wasi"
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export HOSTRUNNER="wasmtime run --mapdir /::$(pwd) --env PYTHONPATH=/builddir/wasi/build/lib.wasi-wasm32-$PYTHON_VERSION $(pwd)/builddir/wasi/python.wasm --"
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mkdir -p builddir/wasi
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pushd builddir/wasi
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../../Tools/wasm/wasi-env \
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../../configure \
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-C \
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--host=wasm32-unknown-wasi \
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--build=$(../../config.guess) \
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--with-build-python=../build/python
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make -s -j 4 all
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# Create a helper script for executing the host/WASI Python.
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printf "#!/bin/sh\nexec $HOSTRUNNER \"\$@\"\n" > run_wasi.sh
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chmod 755 run_wasi.sh
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./run_wasi.sh --version
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popd
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