pyx_c = custom_target('storer_pyx',
output : 'storer_pyx.c',
input : 'storer.pyx',
command : [cython, '@INPUT@', '-o', '@OUTPUT@', '-3'],
)
slib = py3.extension_module('storer',
'storer.c', pyx_c,
pydir = meson.current_build_dir()