[Vm-dev] Squeak Windows built on Travis linux box

[Ben Coman]

On Thu, 10 Jan 2019 at 00:40, Ben Coman <btc at openinworld.com> wrote:

>
>
> On Wed, 9 Jan 2019 at 18:38, Nicolas Cellier <
> nicolas.cellier.aka.nice at gmail.com> wrote:
>
>>
>>
>>
>> Le mer. 9 janv. 2019 à 11:23, Fabio Niephaus <lists at fniephaus.com> a
>> écrit :
>>
>>>
>>> Hi,
>>> On Wed, Jan 9, 2019 at 9:28 AM Tobias Pape <Das.Linux at gmx.de> wrote:
>>>
>>>>
>>>> Hi,
>>>>
>>>> > On 09.01.2019, at 09:06, Craig Latta <craig at blackpagedigital.com>
>>>> wrote:
>>>> >
>>>> >
>>>> >
>>>> > Hi Ben--
>>>> >
>>>> >> Just for the challenge of it...
>>>> >>
>>>> >> Following on from my experiment building a Windows hello-world on a
>>>> >> Travis linux box, I had a go at building a Squeak-Windows VM on a
>>>> >> Travis linux box.
>>>> >>
>>>> >> I'm pleased to report success.
>>>> >
>>>> >     Way cool!
>>>> >
>>>>
>>>> Btw: Travis now also supports windows (early beta, tho):
>>>> https://docs.travis-ci.com/user/reference/windows/
>>>
>>>
> That is what actually kicked off this experiment.  The Travis Windows host
> doesn't come with Cygwin pre-installed and installing it might take 10
> minutes
> and then I discovered mingw was pre-installed on their Ubuntu Xenial
> boxes, so I thought it was worth a try.
>
>
>>
>>> That's very cool! Would you mind giving the new Windows builds on Travis
>>> a go as well? It'd be fantastic if we could bring all CI builds together. I
>>> don't know much about mingw compatibility, but I assume it's probably best
>>> to build on Windows if possible?
>>>
>>
> Before trying on Travis I got the the Windows build working locally on my
> Win10 Windows Subsystem for Linux (Ubuntu Xenial) install.
> Travis report that WSL will be preinstalled...
> https://travis-ci.community/t/support-for-cygwin-or-wsl/440.
> From what I've read recently I don't think building on the Windows side
> much advantage.
> Under mingw is *still* a cross-compiling when you run it under Cygwin
> shell, and mingw cross-compiling from a Ubuntu shell is no different.
>
> The only impediment is that mingw-clang is not preinstalled on Travis
> Linux box, which blocked me from building some of Pharo's third-party libs.
> But I'm not sure the impact of that. Subsequently I read that clang was
> fundamentally designed to cross compile from single binary
> versus gcc producing a separate binary for each cross compiler.  So maybe
> its just a matter of getting clang's --host & --target flags set right.
> There are also some options like wclang to help. (
> https://github.com/tpoechtrager/wclang)
>
>
>>
>> And if we want to run tests, we need a windows machine anyway, whatever
>> the build infrastructure.
>>
>>
> AFAIA tests are currently not being run Windows anyway ;)
>
> But anyway, once the vm executable is created, it seems that can be
> invoked from the WSL side. See "Windows <-> Linux Interop" here...
>
> https://blogs.msdn.microsoft.com/commandline/2017/04/11/windows-10-creators-update-whats-new-in-bashwsl-windows-console/
>
>
> So yes, I'd be glad dig into Windows boxen on Travis.
>

Ahhh... its doesn't come out of the box with Cygwin, but does have mingw
and git-bash.
https://docs.travis-ci.com/user/reference/windows#git-bash

cheers -ben
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