pythongh-84461: Omit resource mod and getresuid funcs on Emscripten (p…

…ythonGH-96303)

(cherry picked from commit a36235d)

Co-authored-by: Christian Heimes <christian@python.org>

Misc/NEWS.d/next/Build/2022-08-26-11-09-11.gh-issue-84461.Nsdn_R.rst

@@ -0,0 +1,3 @@
+``wasm32-emscripten`` platform no longer builds :mod:`resource` module,
+:func:`~os.getresuid`, :func:`~os.getresgid`, and their setters. The APIs
+are stubs and not functional.

Tools/wasm/config.site-wasm32-emscripten

@@ -49,6 +49,10 @@ ac_cv_func_geteuid=no
 ac_cv_func_getegid=no
 ac_cv_func_seteuid=no
 ac_cv_func_setegid=no
+ac_cv_func_getresuid=no
+ac_cv_func_getresgid=no
+ac_cv_func_setresuid=no
+ac_cv_func_setresgid=no
 
 # Syscalls not implemented in emscripten
 # [Errno 52] Function not implemented

configure.ac

@@ -6796,6 +6796,7 @@ AS_CASE([$ac_sys_system],
     dnl curses and tkinter user interface are not available.
     dnl dbm and gdbm aren't available, too.
     dnl Emscripten and WASI provide only stubs for pwd, grp APIs.
+    dnl resource functions (get/setrusage) are stubs, too.
     PY_STDLIB_MOD_SET_NA(
       [_curses],
       [_curses_panel],
@@ -6811,6 +6812,7 @@ AS_CASE([$ac_sys_system],
       [nis],
       [ossaudiodev],
       [pwd],
+      [resource],
       [spwd],
       [syslog],
     )
@@ -6819,7 +6821,6 @@ AS_CASE([$ac_sys_system],
         dnl These modules are not particularly useful in browsers.
         PY_STDLIB_MOD_SET_NA(
           [fcntl],
-          [resource],
           [readline],
           [termios],
         )
@@ -6831,7 +6832,6 @@ AS_CASE([$ac_sys_system],
           [_ctypes_test],
           [fcntl],
           [mmap],
-          [resource],
           [termios],
         )
       ]