32 lines
1.3 KiB
Shell
32 lines
1.3 KiB
Shell
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#!/bin/bash
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# Build a wasm-opt that includes the catch-arm-hoisting pass (--hoist-cpp-catches).
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#
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# Source of truth is the tracked Binaryen submodule (binaryen/, branch wasm-port =
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# upstream version_130 + src/passes/HoistCppCatches.cpp). This configures an out-of-source
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# build into the gitignored build-wasm/ tree and prints the wasm-opt path on stdout
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# (build progress to stderr). See docs/features/wasm-exceptions/06-spike-plan.md (Phase 1.5).
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set -eo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
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SRC="${PROJECT_ROOT}/binaryen"
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BUILD="${PROJECT_ROOT}/build-wasm/tools/binaryen-hoist-build"
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if [ ! -f "${SRC}/src/passes/HoistCppCatches.cpp" ]; then
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echo "ERROR: binaryen submodule is missing the hoist pass." >&2
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echo " Run: git submodule update --init binaryen" >&2
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exit 1
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fi
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# Configure once (mirrors scripts/common/get-wasm-opt.sh's from-source flags).
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if [ ! -f "${BUILD}/build.ninja" ]; then
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echo "Configuring Binaryen submodule build (one-time, ~5 min to build)..." >&2
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cmake -S "${SRC}" -B "${BUILD}" -G Ninja \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_CXX_FLAGS="-Wno-maybe-uninitialized" \
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-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON -DBUILD_TESTS=OFF >&2
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fi
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ninja -C "${BUILD}" wasm-opt >&2
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echo "${BUILD}/bin/wasm-opt"
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