[Windows] test_distutils: fatal error LNK1158: cannot run 'rc.exe'

[vstinner]

BPO	31967
Nosy	@pfmoore, @db3l, @vstinner, @tjguk, @zware, @zooba

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2017-12-15.15:13:28.699>
created_at = <Date 2017-11-07.09:53:23.645>
labels = ['3.7', 'tests', 'OS-windows']
title = "[Windows] test_distutils: fatal error LNK1158: cannot run 'rc.exe'"
updated_at = <Date 2017-12-15.15:13:28.698>
user = 'https://github.com/vstinner'

bugs.python.org fields:

activity = <Date 2017-12-15.15:13:28.698>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2017-12-15.15:13:28.699>
closer = 'vstinner'
components = ['Tests', 'Windows']
creation = <Date 2017-11-07.09:53:23.645>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 31967
keywords = []
message_count = 7.0
messages = ['305728', '305729', '305730', '305731', '305735', '305739', '308402']
nosy_count = 6.0
nosy_names = ['paul.moore', 'db3l', 'vstinner', 'tim.golden', 'zach.ware', 'steve.dower']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue31967'
versions = ['Python 3.7']

[vstinner]

test_distutils failed on AMD64 Windows10 3.x buildbot:

http://buildbot.python.org/all/#/builders/3/builds/128

0:19:07 [165/407/1] test_distutils failed -- running: test_multiprocessing_spawn (377 sec)
xxmodule.c
xxmodule.obj : warning LNK4197: export 'PyInit_xx' specified multiple times; using first specification
Creating library d:\temp\tmp4zg7rpix\Debug\temp\tmp4zg7rpix\xx_d.cp37-win_amd64.lib and object d:\temp\tmp4zg7rpix\Debug\temp\tmp4zg7rpix\xx_d.cp37-win_amd64.exp
LINK : /LTCG specified but no code generation required; remove /LTCG from the link command line to improve linker performance
LINK : fatal error LNK1158: cannot run 'rc.exe'
foo.c
Creating library d:\temp\tmpy79shh6o\tempt\temp\tmpl63x182t\foo_d.cp37-win_amd64.lib and object d:\temp\tmpy79shh6o\tempt\temp\tmpl63x182t\foo_d.cp37-win_amd64.exp
LINK : /LTCG specified but no code generation required; remove /LTCG from the link command line to improve linker performance
LINK : fatal error LNK1158: cannot run 'rc.exe'
xxmodule.c
xxmodule.obj : warning LNK4197: export 'PyInit_xx' specified multiple times; using first specification
Creating library d:\temp\tmpkb4gpfw9\Debug\temp\tmpkb4gpfw9\xx_d.cp37-win_amd64.lib and object d:\temp\tmpkb4gpfw9\Debug\temp\tmpkb4gpfw9\xx_d.cp37-win_amd64.exp
LINK : /LTCG specified but no code generation required; remove /LTCG from the link command line to improve linker performance
LINK : fatal error LNK1158: cannot run 'rc.exe'
foo.c
Creating library d:\temp\tmppmjpg5zh\tempt\temp\tmpi1x5uxdd\foo_d.cp37-win_amd64.lib and object d:\temp\tmppmjpg5zh\tempt\temp\tmpi1x5uxdd\foo_d.cp37-win_amd64.exp
LINK : /LTCG specified but no code generation required; remove /LTCG from the link command line to improve linker performance
LINK : fatal error LNK1158: cannot run 'rc.exe'
xxmodule.c
xxmodule.obj : warning LNK4197: export 'PyInit_xx' specified multiple times; using first specification
Creating library build\temp.win-amd64-3.7-pydebug\Debug\xx_d.cp37-win_amd64.lib and object build\temp.win-amd64-3.7-pydebug\Debug\xx_d.cp37-win_amd64.exp
LINK : /LTCG specified but no code generation required; remove /LTCG from the link command line to improve linker performance
LINK : fatal error LNK1158: cannot run 'rc.exe'

D:\buildarea\3.x.bolen-windows10\build\build\test_python_2228>exit 1

D:\buildarea\3.x.bolen-windows10\build\build\test_python_2228>exit 0

(...)

======================================================================
ERROR: test_build_ext (distutils.tests.test_build_ext.BuildExtTestCase)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\_msvccompiler.py", line 519, in link
    self.spawn([self.linker] + ld_args)
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\_msvccompiler.py", line 542, in spawn
    return super().spawn(cmd)
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\ccompiler.py", line 909, in spawn
    spawn(cmd, dry_run=self.dry_run)
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\spawn.py", line 38, in spawn
    _spawn_nt(cmd, search_path, dry_run=dry_run)
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\spawn.py", line 81, in _spawn_nt
    "command %r failed with exit status %d" % (cmd, rc))
distutils.errors.DistutilsExecError: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\link.exe' failed with exit status 1158

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\tests\test_build_ext.py", line 82, in test_build_ext
    cmd.run()
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\command\build_ext.py", line 339, in run
    self.build_extensions()
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\command\build_ext.py", line 448, in build_extensions
    self._build_extensions_serial()
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\command\build_ext.py", line 473, in _build_extensions_serial
    self.build_extension(ext)
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\command\build_ext.py", line 558, in build_extension
    target_lang=language)
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\ccompiler.py", line 717, in link_shared_object
    extra_preargs, extra_postargs, build_temp, target_lang)
  File "D:\buildarea\3.x.bolen-windows10\build\lib\distutils\_msvccompiler.py", line 522, in link
    raise LinkError(msg)
distutils.errors.LinkError: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\link.exe' failed with exit status 1158

[vstinner]

Similar error on AMD64 Windows8 3.x:

http://buildbot.python.org/all/#/builders/32/builds/127

[vstinner]

I don't think that it's related, but a recent change in PCbuild is: bpo-31957.

IMHO it's more something that changed on the two buildbots.

[vstinner]

Hi David Bolen: Would you mind to look at this bug, please? thank you in advance ;-)

[db3l]

This seems to correlate with my upgrading to the latest Win10 SDK on those workers (Steve pointed out I was still getting ucrt warnings during compilation). So they both jumped from like 10240 up to 16299. But that's all I changed.

Interestingly I only had to fix 8.1 and 10, as 7 already had a version (15063) avoiding the warning, and it's tedious to change. But it's not experiencing the linking problem.

I could swear I recall past link/rc problems, but my searching (and memory) are failing me at the moment. But I wonder if that's why I had left these two workers back at 10240, or if I had some local fix in place.

[db3l]

Ok, so rc.exe appears truly not to be found when the test runs. The binary is a bit buried in the Windows Kit directory tree, and I'm guessing something is off after the upgrade (I'm not sure where it was in the tree before). I manually placed a copy in a directory I know is on the path and that seems to have resolved it.

I also found a similar copy of rc.exe from the SDK to a local directory on my Windows 7 worker, so I suspect that was what I was remembering, and I probably hit the same thing when updating the SDK on that worker previously.

Not sure if there's some better way it should work, but at least this resolves the issue from the SDK update - builds are currently in progress, but both workers passed test_distutils.

[vstinner]

The AMD64 Windows10 3.x buildbot: is green again, I close the issue.