[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[STINNER Victor]

STINNER Victor  added the comment:

It seems like the bug has been fixed. Thanks Zachary Ware for the fix, and 
thanks everybody for helping to fix this cache issue ;-)

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[Zachary Ware]

Zachary Ware  added the comment:


New changeset 635461fca5e90c6e091f1e5b46adafc0d28bf0e2 by Zachary Ware in 
branch '3.6':
[3.6] bpo-34575: Build with only VS2015 on AppVeyor (GH-9066)
https://github.com/python/cpython/commit/635461fca5e90c6e091f1e5b46adafc0d28bf0e2


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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[STINNER Victor]

STINNER Victor  added the comment:

Discussion on python-dev:
https://mail.python.org/pipermail/python-dev/2018-September/155075.html

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[Zachary Ware]

Change by Zachary Ware :


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keywords: +patch
pull_requests: +8530
stage:  -> patch review

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[Paul Moore]

Paul Moore  added the comment:

One thought - appveyor.yml says that the cache of externals depends on PCBuild. 
Could it be that appveyor is caching PCBuild to verify whether it's changed 
(and hence whether to use the cached externals)? I know that sounds bizarre, 
but I'm not entirely sure why externals should be dependent on the *whole* of 
PCBuild anyway - maybe we should change it to depend only on 
PCBuild/get_externals.bat?

Clutching at straws here, there's definitely nothing obvious I can see though.

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

Ah ok, I thought disabling the cache with APPVEYOR_CACHE_SKIP_RESTORE as true 
will trigger a successful build and in the end it will store the new set of 
artifacts from the recent compiler to the cache and then we can toggle the 
environment variable (APPVEYOR_CACHE_SKIP_RESTORE) so that for the next build 
artifacts built from old compiler are replaced with the newer ones resembling a 
cache clear. Sorry I might be wrong here and it's a workaround that I thought 
will work as in the other CI systems. I will be happy if it's solved through 
API then with the right credentials.

Thanks

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[STINNER Victor]

STINNER Victor  added the comment:

> APPVEYOR_CACHE_SKIP_RESTORE - set to true to disable cache restore
> APPVEYOR_CACHE_SKIP_SAVE - set to true to disable cache update

I see these as well, but it would only be a temporary solution and may make 
build much slower, whereas AppVeyor is already a bottleneck in our workflow. 
AppVeyor only give us two jobs in parallel which take 10-30 min, whereas it's 
common that we have much more new pull requests per hour.

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

One another way will be to set environment variable to skip the cache restore 
and trigger a build to see if cache is the actual problem. I don't know how 
configurable environment variables are from the UI to trigger a specific build 
with the set of environment variable values.

https://www.appveyor.com/docs/build-cache/#skipping-cache-operations-for-specific-build

> Skipping cache operations for specific build

> You can skip cache restore or save stages with the following tweak 
> environment variables:

> APPVEYOR_CACHE_SKIP_RESTORE - set to true to disable cache restore
> APPVEYOR_CACHE_SKIP_SAVE - set to true to disable cache update


Thanks

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

Another way will be to invalidate the cache by manually updating 
cleanup-cache.txt in the end. But this requires a commit that has to be 
reverted later to enable caching and I don't think it's worthy to pollute git 
history for this.

https://help.appveyor.com/discussions/questions/1310-delete-cache#comment_36916917


> You can have any file as dependency that will be triggering cache 
> invalidation, even "cleanup-cache.txt" say in the root of your repo:
> cache:
> - my_cached_folder -> cleanup-cache.txt
> Whenever CRC32 of cleanup-cache.txt is changed the cache is invalidated, i.e. 
> not restored in the beginning of the build.

@paul.moore It's here : 
https://github.com/python/cpython/blob/master/.github/appveyor.yml


Thanks

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[STINNER Victor]

STINNER Victor  added the comment:

Ah! If I user my personal account which has a different token, I'm able to list 
my roles using the REST API.

So it seems that I lack some permissions on the "python" account of AppVeyor. 
Who owns this account?

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[Paul Moore]

Paul Moore  added the comment:

I don't see an appveyor.yml file in the CPython repository. How are
the appveyor builds configured? I was going to take a look, but need
to see the config :-(
On Wed, 5 Sep 2018 at 10:32, STINNER Victor  wrote:
>
>
> STINNER Victor  added the comment:
>
> REST API for the AppVeyor build cache:
> https://www.appveyor.com/docs/build-cache/#rest-api
>
> Authentication of the REST API:
> https://www.appveyor.com/docs/api/#authentication
>
> I tried:
>
> $ curl -H "Authorization: Bearer " -X "DELETE" 
> https://ci.appveyor.com/api/projects/python/cpython/buildcache; echo
>
> {"message":"You do not have required permissions to perform this action."}
>
> Oh. I'm not allowed to clear the build cache :-(
>
> I'm logged as "python" and my role is "Super User". If a Super User is not 
> allowed to clear the cache, who is allowed to do that? Maybe my URL is wrong? 
> The documentation says:
>
> DELETE 
> https://ci.appveyor.com/api/projects/{accountName}/{projectSlug}/buildcache
>
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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[STINNER Victor]

STINNER Victor  added the comment:

REST API for the AppVeyor build cache:
https://www.appveyor.com/docs/build-cache/#rest-api

Authentication of the REST API:
https://www.appveyor.com/docs/api/#authentication

I tried:

$ curl -H "Authorization: Bearer " -X "DELETE" 
https://ci.appveyor.com/api/projects/python/cpython/buildcache; echo

{"message":"You do not have required permissions to perform this action."}

Oh. I'm not allowed to clear the build cache :-(

I'm logged as "python" and my role is "Super User". If a Super User is not 
allowed to clear the cache, who is allowed to do that? Maybe my URL is wrong? 
The documentation says:

DELETE 
https://ci.appveyor.com/api/projects/{accountName}/{projectSlug}/buildcache

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

If it's due to cache then there is a REST API to clear the cache manually and 
someone with access to Appveyor credentials can give it a try to clear the 
cache and see if it's fixed.

Ref : https://github.com/appveyor/ci/issues/985

Log in and execute the below from the console as per 
https://github.com/appveyor/ci/issues/985#issuecomment-279199811

$.ajax({
url: 'https://ci.appveyor.com/api/projects///buildcache',
type: 'DELETE'})

A workaround : https://help.appveyor.com/discussions/questions/1310-delete-cache


Thanks

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[Steve Dower]

Steve Dower  added the comment:

Works on VSTS build. I suspect AppVeyor is caching files between builds, but 
I'm not familiar enough with the configuration to fix that.

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[issue34575] Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an older compiler

[STINNER Victor]

New submission from STINNER Victor :

Example on my PR:
https://github.com/python/cpython/pull/9057

https://ci.appveyor.com/project/python/cpython/build/3.6build21480/job/lge7r4qknx0t0tlv

LINK : fatal error C1047: The object or library file 
'C:\projects\cpython\PCBuild\win32\libeay.lib' was created with an older 
compiler than other objects; rebuild old objects and libraries 
[C:\projects\cpython\PCbuild\_hashlib.vcxproj]
LINK : fatal error LNK1257: code generation failed 
[C:\projects\cpython\PCbuild\_hashlib.vcxproj]
LINK : fatal error C1047: The object or library file 
'C:\projects\cpython\PCBuild\win32\libeay.lib' was created with an older 
compiler than other objects; rebuild old objects and libraries 
[C:\projects\cpython\PCbuild\_ssl.vcxproj]
LINK : fatal error LNK1257: code generation failed 
[C:\projects\cpython\PCbuild\_ssl.vcxproj]
Command exited with code 1

--
components: Build, Windows
messages: 324576
nosy: paul.moore, steve.dower, tim.golden, vstinner, zach.ware
priority: normal
severity: normal
status: open
title: Python 3.6 compilation fails on AppVeyor: libeay.lib was created with an 
older compiler
versions: Python 3.6

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