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gh-84461: Build Emscripten with WASM BigInt support (#94219)
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@ -98,9 +98,11 @@ ### Cross compile to wasm32-emscripten for node
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```
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```shell
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node --experimental-wasm-threads --experimental-wasm-bulk-memory builddir/emscripten-node/python.js
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node --experimental-wasm-threads --experimental-wasm-bulk-memory --experimental-wasm-bigint builddir/emscripten-node/python.js
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```
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(``--experimental-wasm-bigint`` is not needed with recent NodeJS versions)
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# wasm32-emscripten limitations and issues
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Emscripten before 3.1.8 has known bugs that can cause memory corruption and
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2
configure
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vendored
2
configure
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vendored
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@ -7953,6 +7953,8 @@ fi
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as_fn_append LDFLAGS_NODIST " -sALLOW_MEMORY_GROWTH -sTOTAL_MEMORY=20971520"
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as_fn_append LDFLAGS_NODIST " -sWASM_BIGINT"
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as_fn_append LDFLAGS_NODIST " -sFORCE_FILESYSTEM -lidbfs.js -lnodefs.js -lproxyfs.js -lworkerfs.js"
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if test "x$enable_wasm_dynamic_linking" = xyes; then :
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@ -2028,6 +2028,9 @@ AS_CASE([$ac_sys_system],
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dnl Start with 20 MB and allow to grow
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AS_VAR_APPEND([LDFLAGS_NODIST], [" -sALLOW_MEMORY_GROWTH -sTOTAL_MEMORY=20971520"])
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dnl map int64_t and uint64_t to JS bigint
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AS_VAR_APPEND([LDFLAGS_NODIST], [" -sWASM_BIGINT"])
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dnl Include file system support
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AS_VAR_APPEND([LDFLAGS_NODIST], [" -sFORCE_FILESYSTEM -lidbfs.js -lnodefs.js -lproxyfs.js -lworkerfs.js"])
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