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gh-84461: Build Emscripten with WASM BigInt support (#94219)

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Christian Heimes 2022-06-24 17:03:42 +02:00 committed by GitHub
parent 51fd4de101
commit e69306f08b
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3 changed files with 8 additions and 1 deletions
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4
Tools/wasm/README.md
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@ -98,9 +98,11 @@ popd
```
```shell
node --experimental-wasm-threads --experimental-wasm-bulk-memory builddir/emscripten-node/python.js
node --experimental-wasm-threads --experimental-wasm-bulk-memory --experimental-wasm-bigint builddir/emscripten-node/python.js
```
(``--experimental-wasm-bigint`` is not needed with recent NodeJS versions)
# wasm32-emscripten limitations and issues
Emscripten before 3.1.8 has known bugs that can cause memory corruption and

2
configure generated vendored
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@ -7953,6 +7953,8 @@ fi
as_fn_append LDFLAGS_NODIST " -sALLOW_MEMORY_GROWTH -sTOTAL_MEMORY=20971520"
as_fn_append LDFLAGS_NODIST " -sWASM_BIGINT"
as_fn_append LDFLAGS_NODIST " -sFORCE_FILESYSTEM -lidbfs.js -lnodefs.js -lproxyfs.js -lworkerfs.js"
if test "x$enable_wasm_dynamic_linking" = xyes; then :

3
configure.ac
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@ -2028,6 +2028,9 @@ AS_CASE([$ac_sys_system],
dnl Start with 20 MB and allow to grow
AS_VAR_APPEND([LDFLAGS_NODIST], [" -sALLOW_MEMORY_GROWTH -sTOTAL_MEMORY=20971520"])
dnl map int64_t and uint64_t to JS bigint
AS_VAR_APPEND([LDFLAGS_NODIST], [" -sWASM_BIGINT"])
dnl Include file system support
AS_VAR_APPEND([LDFLAGS_NODIST], [" -sFORCE_FILESYSTEM -lidbfs.js -lnodefs.js -lproxyfs.js -lworkerfs.js"])