No, it turned red Friday night/Saturday morning.

 

Last good build:

http://lab.llvm.org:8011/builders/lldb-x86-win7-msvc/builds/15167

 

First bad build:

http://lab.llvm.org:8011/builders/lldb-x86-win7-msvc/builds/15168

 

It went red because of the change to VS2015/Python 3.5.

 

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The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux 
Foundation Collaborative Project

 

From: Zachary Turner [mailto:ztur...@google.com] 
Sent: Tuesday, February 02, 2016 5:28 PM
To: Ted Woodward; LLDB
Subject: Re: [lldb-dev] MSVC 2013 w/ Python 2.7 is moving to an unsupported 
toolchain

 

BTW, I expect that your buildbot has been experiencing the problems with the 
x86 / x64 toolchain for quite some time, because it's not really relevant to 
how much memory your machine has, but just that it was using an x86 toolchain 
at all.  Has it been red for a long time?

 

On Tue, Feb 2, 2016 at 1:48 PM Zachary Turner <ztur...@google.com 
<mailto:ztur...@google.com> > wrote:

You may have to make some changes to the zorg scripts to keep that working.  I 
didn't realize there were any other bots building LLDB, so I made some changes 
that will default everything to VS2015 and Py3.  

 

BTW, is your builder doing a debug build or a release build?  When doing a 
debug build clang now requires more memory than can fit in a 4GB address space 
to link, so using an x86 toolchain won't work anymore.  I forced a change to 
use the amd64_x86 toolchain, but this won't work unless the version of python 
used by buildbot is a 64-bit Python distro (because Python.exe is what 
ultimately calls vcvarsall and cmake and it inherits the environment of the 
parent).

 

So I think you will need to do all this as well.

 

On Tue, Feb 2, 2016 at 1:44 PM Ted Woodward <ted.woodw...@codeaurora.org 
<mailto:ted.woodw...@codeaurora.org> > wrote:

Then maybe we should keep it 2013/py2.7, until llvm requires 2015.

 

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Qualcomm Innovation Center, Inc.

The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux 
Foundation Collaborative Project

 

From: Zachary Turner [mailto:ztur...@google.com <mailto:ztur...@google.com> ] 
Sent: Tuesday, February 02, 2016 3:43 PM


To: Ted Woodward; LLDB
Subject: Re: [lldb-dev] MSVC 2013 w/ Python 2.7 is moving to an unsupported 
toolchain

 

It's Server 2008 R2 technically, which is the server version of Win 7 (same API 
set, same OS features, etc).  So yea, I'm pretty confident that test coverage 
is going to be 100% the same across both.  It's just a matter of if you want to 
have something that you maintain / have control over, or if you want to test 
something in a different way than what we're testing.

 

On Tue, Feb 2, 2016 at 1:29 PM Ted Woodward <ted.woodw...@codeaurora.org 
<mailto:ted.woodw...@codeaurora.org> > wrote:

Yours is Win Server 2008; ours is Win 7. I don’t know if that matters.

 

--

Qualcomm Innovation Center, Inc.

The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux 
Foundation Collaborative Project

 

From: Zachary Turner [mailto:ztur...@google.com <mailto:ztur...@google.com> ] 
Sent: Tuesday, February 02, 2016 2:48 PM
To: Ted Woodward; LLDB


Subject: Re: [lldb-dev] MSVC 2013 w/ Python 2.7 is moving to an unsupported 
toolchain

 

If I remember correctly your bot isn't actually doing anything differently than 
my bot [http://lab.llvm.org:8011/builders/lldb-x86-windows-msvc2015].  If you 
want you could just remove your bot.  If you want to keep it, then yea getting 
it on VS2015 and Python 3 would be the best idea.

 

On Tue, Feb 2, 2016 at 12:20 PM Ted Woodward via lldb-dev 
<lldb-dev@lists.llvm.org <mailto:lldb-dev@lists.llvm.org> > wrote:

It looks like our bot, http://lab.llvm.org:8011/builders/lldb-x86-win7-msvc , 
has tried to update to Python 3.5 and MSVC 2015, but it can’t find python or 
VC. I’ll talk to our buildmiester about it.

 

Should we run this guy with 2013/py2.7 or 2015/py3.5?

 

--

Qualcomm Innovation Center, Inc.

The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux 
Foundation Collaborative Project

 

From: lldb-dev [mailto:lldb-dev-boun...@lists.llvm.org 
<mailto:lldb-dev-boun...@lists.llvm.org> ] On Behalf Of Zachary Turner via 
lldb-dev
Sent: Tuesday, February 02, 2016 1:55 PM
To: Tamas Berghammer; LLDB
Subject: Re: [lldb-dev] MSVC 2013 w/ Python 2.7 is moving to an unsupported 
toolchain

 

 

On Tue, Feb 2, 2016 at 11:42 AM Tamas Berghammer <tbergham...@google.com 
<mailto:tbergham...@google.com> > wrote:

Hi Zachary,

 

We are still using MSVC 2013 and Python 2.7 to compile LLDB on Windows for 
Android Studio and we also have a buildbot what is testing this configuration 
(without sending e-mail at the moment) here: 
http://lab.llvm.org:8011/builders/lldb-windows7-android

 

We are in the discussion to decide what is our plan for going forward both in 
terms of Visual Studio version and Python version and I expect that we will 
make a decision this week. Until then please don't remove any hack we have in 
the code because of MSVC 2013 (e.g. alias template workarounds) and if adding 
new code then please try not to break MSVC 2013. I will send out an update 
about our decision hopefully at the end of this week.

Yea I mentioned already that I'm not planning on removing anything related to 
MSVC 2013, just that I'm personally not supporting it.  Which means that if 
anyone asks for help, or wants to make it work, or if it breaks accidentally, 
they're on their own :)  I don't even have MSVC 2013 installed on my machine 
anymore, so I can't fix any MSVC 2013 specific issues that arise.

 

Of course if someone else comes along and wants to help, I have no problem with 
that, but due to the difficulty of dealing with incompatibility between Python 
2 and MSVC 2015, it's just going to be up to someone else to continue making 
that work if they need it.

 

 

You mentioned that LLVM plan to bump the minimum version of MSVC to 2015. Do 
you have any link to the place where they discussed it or do you know anything 
about the schedule?

 

As far as I know the discussion hasn't started yet, but historically LLVM has 
always been pretty consistent about bumping the required MSVC version every 
12-18 months.   I know some of the Windows people on the LLVM side are already 
"unoficially" using MSVC 2015 on a regular basis, and that's usually a sign 
that people are getting an early start to see what kind of issues might be 
encountered by the general public when bumping the required version.

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