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Disable building test modules that require dlopen() under WASI SDK 21 #115983

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Disable building test modules that require dlopen() under WASI SDK 21#115983
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OS-wasibuildThe build process and cross-build
@brettcannon

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@brettcannon
brettcannon
opened on Feb 27, 2024

_testimportmultiple, _testmultiphase, _testsinglephase, xxlimited, xxlimited_35 all get built under WASI SDK 21 thanks to dlopen(), but since that function doesn't work normally under WASI we should skip building them.

cpython/configure.ac

Lines 7582 to 7593 in 6087315

PY_STDLIB_MOD([_testimportmultiple], [test "$TEST_MODULES" = yes], [test "$ac_cv_func_dlopen" = yes])
PY_STDLIB_MOD([_testmultiphase], [test "$TEST_MODULES" = yes], [test "$ac_cv_func_dlopen" = yes])
PY_STDLIB_MOD([xxsubtype], [test "$TEST_MODULES" = yes])
PY_STDLIB_MOD([_xxtestfuzz], [test "$TEST_MODULES" = yes])
PY_STDLIB_MOD([_ctypes_test],
[test "$TEST_MODULES" = yes], [test "$have_libffi" = yes -a "$ac_cv_func_dlopen" = yes],
[], [$LIBM])
dnl Limited API template modules.
dnl Emscripten does not support shared libraries yet.
PY_STDLIB_MOD([xxlimited], [], [test "$ac_cv_func_dlopen" = yes])
PY_STDLIB_MOD([xxlimited_35], [], [test "$ac_cv_func_dlopen" = yes])

We could either update Tools/wasm/wasi.py to disable test modules, update configure.ac so they don't get compiled under WASI, or see if we can get them compiled in statically.

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