error

[translation:info] Error:
   File "/home/jneen/src/magritte/vendor/pypy/rpython/translator/goal/translate.py", line 317, in main
    drv.proceed(goals)
   File "/home/jneen/src/magritte/vendor/pypy/rpython/translator/driver.py", line 551, in proceed
    result = self._execute(goals, task_skip = self._maybe_skip())
   File "/home/jneen/src/magritte/vendor/pypy/rpython/translator/tool/taskengine.py", line 114, in _execute
    res = self._do(goal, taskcallable, *args, **kwds)
   File "/home/jneen/src/magritte/vendor/pypy/rpython/translator/driver.py", line 278, in _do
    res = func()
   File "/home/jneen/src/magritte/vendor/pypy/rpython/translator/driver.py", line 518, in task_compile_c
    cbuilder.compile(**kwds)
   File "/home/jneen/src/magritte/vendor/pypy/rpython/translator/c/genc.py", line 363, in compile
    extra_opts)
   File "/home/jneen/src/magritte/vendor/pypy/rpython/translator/platform/posix.py", line 219, in execute_makefile
    self._handle_error(returncode, stdout, stderr, path.join('make'))
   File "/home/jneen/src/magritte/vendor/pypy/rpython/translator/platform/__init__.py", line 152, in _handle_error
    raise CompilationError(stdout, stderr)
[translation:ERROR] CompilationError: CompilationError(err="""
	implement.c: In function ‘pypy_g_ccall_spawnv__INT_arrayPtr_arrayPtr’:
	implement.c:504:11: warning: implicit declaration of function ‘spawnv’ [-Wimplicit-function-declaration]
	  504 |  l_v216 = spawnv(l_a0_0, l_a1_0, l_a2_0);
	      |           ^~~~~~
	/usr/bin/ld: implement.o: in function `pypy_g_ccall_spawnv__INT_arrayPtr_arrayPtr':
	implement.c:(.text+0x432): undefined reference to `spawnv'
	collect2: error: ld returned 1 exit status

targettest.py

import os
from rpython.rlib.rposix import spawnv

def entry_point(argv):
    spawnv(os.P_WAIT, '/usr/bin/echo', ['hello', 'world'])
    print 'done!'
    return 0

def target(*args):
    return entry_point