utils: Popen_safe: Handle ENOEXEC to fail with an error message
This is much cleaner than to show a stack trace, where it is hard to
figure out what is going wrong.
@@ -32,6 +32,7 @@ import typing as T
import textwrap
import copy
import pickle
+import errno
from mesonbuild import mlog
from .core import MesonException, HoldableObject
@@ -1413,12 +1414,19 @@ def Popen_safe(args: T.List[str], write: T.Optional[str] = None,
# If write is not None, set stdin to PIPE so data can be sent.
if write is not None:
stdin = subprocess.PIPE
+
+ try:
if not sys.stdout.encoding or encoding.upper() != 'UTF-8':
p, o, e = Popen_safe_legacy(args, write=write, stdin=stdin, stdout=stdout, stderr=stderr, **kwargs)
else:
p = subprocess.Popen(args, universal_newlines=True, encoding=encoding, close_fds=False,
stdin=stdin, stdout=stdout, stderr=stderr, **kwargs)
o, e = p.communicate(write)
+ except OSError as oserr:
+ if oserr.errno == errno.ENOEXEC:
+ raise MesonException(f'Failed running {args[0]!r}, binary or interpreter not executable.\n'
+ 'Possibly wrong architecture or the executable bit is not set.')
+ raise
# Sometimes the command that we run will call another command which will be
# without the above stdin workaround, so set the console mode again just in
# case.
