From 93364386f405e4f3e03b044e00e86848996278ee Mon Sep 17 00:00:00 2001 From: Christian Heimes Date: Fri, 24 Jun 2022 15:33:54 +0200 Subject: [PATCH] gh-84461: Build Emscripten with WASM BigInt support Map int64_t and uint64_t to JS bigint. --- Tools/wasm/README.md | 4 +++- configure | 2 ++ configure.ac | 3 +++ 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/Tools/wasm/README.md b/Tools/wasm/README.md index 94b3729a5daadb..40f23a396f6711 100644 --- a/Tools/wasm/README.md +++ b/Tools/wasm/README.md @@ -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 diff --git a/configure b/configure index 34de0f7f1b66c5..9f15e492b997c2 100755 --- a/configure +++ b/configure @@ -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$enable_wasm_dynamic_linking" = xyes; then : diff --git a/configure.ac b/configure.ac index 3b70532e4d0e1a..f9abd851ea5cbf 100644 --- a/configure.ac +++ b/configure.ac @@ -2028,6 +2028,9 @@ AS_CASE([$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"])