+python3 = import('python').find_installation(required: false)
+if python3.found()
+ py3 = [python3]
+else
+ py3 = ['meson', 'runpython']
+endif
+echo = py3 + ['-c', 'import sys; print(*sys.argv[1:])']
+list_dir_globs = py3 + files('list-dir-globs.py')
+map_to_win_cmd = py3 + files('map_to_win.py')
+sphinx_wrapper = py3 + files('call-sphinx-build.py')
+get_cpu_count_cmd = py3 + files('get-cpu-count.py')
+get_numa_count_cmd = py3 + files('get-numa-count.py')
+binutils_avx512_check = (py3 + files('binutils-avx512-check.py') +
+ [objdump] + cc.cmd_array())
+
+# select library and object file format
+pmdinfo = py3 + files('gen-pmdinfo-cfile.py') + [meson.current_build_dir()]
+pmdinfogen = py3 + files('pmdinfogen.py')
+if host_machine.system() == 'windows'
+ if cc.get_id() == 'gcc'
+ pmdinfo += 'ar'
+ else
+ pmdinfo += 'llvm-ar'
+ endif
+ pmdinfogen += 'coff'
+else
+ pmdinfo += 'ar'
+ pmdinfogen += 'elf'
+endif
+
+# TODO: starting from Meson 0.51.0 use
+# python3 = import('python').find_installation('python',
+# modules : python3_required_modules)
+python3_required_modules = []
+if host_machine.system() != 'windows'
+ python3_required_modules = ['elftools']
+endif
+foreach module : python3_required_modules
+ script = 'import importlib.util; import sys; exit(importlib.util.find_spec("@0@") is None)'
+ if run_command(py3, '-c', script.format(module)).returncode() != 0
+ error('missing python module: @0@'.format(module))
+ endif
+endforeach