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-rw-r--r--Tools/wasm/wasi.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/Tools/wasm/wasi.py b/Tools/wasm/wasi.py
index 1e75db5..efb005e 100644
--- a/Tools/wasm/wasi.py
+++ b/Tools/wasm/wasi.py
@@ -283,8 +283,10 @@ def main():
# The 8388608 value comes from `ulimit -s` under Linux
# which equates to 8291 KiB.
"--wasm max-wasm-stack=8388608 "
- # Enable thread support.
- "--wasm threads=y --wasi threads=y "
+ # Use WASI 0.2 primitives.
+ "--wasi preview2 "
+ # Enable thread support; causes use of preview1.
+ #"--wasm threads=y --wasi threads=y "
# Map the checkout to / to load the stdlib from /Lib.
"--dir {HOST_DIR}::{GUEST_DIR} "
# Set PYTHONPATH to the sysconfig data.