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GH-116313: get WASI builds to run under wasmtime 18 w/ WASI 0.2/preview2 primitives (#116327) 

* GH-116313: get WASI builds to run under wasmtime 18 w/ WASI 0.2/preview2 primitives

* Add the configure changes

* Update `wasm_build.py`
This commit is contained in:
Brett Cannon 2024-03-05 00:18:53 -08:00 committed by GitHub
parent 6cddc731fb
commit 7af063d1d8
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6 changed files with 12 additions and 7 deletions
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2
.devcontainer/Dockerfile
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@ -6,7 +6,7 @@ ENV WASI_SDK_VERSION=20
ENV WASI_SDK_PATH=/opt/wasi-sdk
ENV WASMTIME_HOME=/opt/wasmtime
ENV WASMTIME_VERSION=14.0.4
ENV WASMTIME_VERSION=18.0.2
ENV WASMTIME_CPU_ARCH=x86_64
RUN dnf -y --nodocs --setopt=install_weak_deps=False install /usr/bin/{blurb,clang,curl,git,ln,tar,xz} 'dnf-command(builddep)' && \

1
Misc/NEWS.d/next/Build/2024-03-04-12-43-42.gh-issue-116313.cLLb8S.rst Normal file
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@ -0,0 +1 @@
Get WASI builds to work under wasmtime 18 w/ WASI 0.2/preview2 primitives.

6
Tools/wasm/wasi.py
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@ -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.

6
Tools/wasm/wasm_build.py
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@ -329,8 +329,10 @@ WASI = Platform(
# workaround for https://github.com/python/cpython/issues/95952
"HOSTRUNNER": (
"wasmtime run "
"--env PYTHONPATH=/{relbuilddir}/build/lib.wasi-wasm32-{version}:/Lib "
"--mapdir /::{srcdir} --"
"--wasm max-wasm-stack=8388608 "
"--wasi preview2 "
"--dir {srcdir}::/ "
"--env PYTHONPATH=/{relbuilddir}/build/lib.wasi-wasm32-{version}:/Lib"
),
"PATH": [WASI_SDK_PATH / "bin", os.environ["PATH"]],
},

2
configure generated vendored
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@ -7655,7 +7655,7 @@ then :
fi
;; #(
WASI/*) :
HOSTRUNNER='wasmtime run --env PYTHONPATH=/$(shell realpath --relative-to $(abs_srcdir) $(abs_builddir))/$(shell cat pybuilddir.txt):/Lib --mapdir /::$(srcdir) --' ;; #(
HOSTRUNNER='wasmtime run --wasm max-wasm-stack=8388608 --wasi preview2 --env PYTHONPATH=/$(shell realpath --relative-to $(abs_srcdir) $(abs_builddir))/$(shell cat pybuilddir.txt):/Lib --dir $(srcdir)::/' ;; #(
*) :
HOSTRUNNER=''
;;

2
configure.ac
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@ -1537,7 +1537,7 @@ then
dnl TODO: support other WASI runtimes
dnl wasmtime starts the proces with "/" as CWD. For OOT builds add the
dnl directory containing _sysconfigdata to PYTHONPATH.
[WASI/*], [HOSTRUNNER='wasmtime run --env PYTHONPATH=/$(shell realpath --relative-to $(abs_srcdir) $(abs_builddir))/$(shell cat pybuilddir.txt):/Lib --mapdir /::$(srcdir) --'],
[WASI/*], [HOSTRUNNER='wasmtime run --wasm max-wasm-stack=8388608 --wasi preview2 --env PYTHONPATH=/$(shell realpath --relative-to $(abs_srcdir) $(abs_builddir))/$(shell cat pybuilddir.txt):/Lib --dir $(srcdir)::/'],
[HOSTRUNNER='']
)
fi