Sorry, my question wasn't clear.

How does one set in a mozconfig whether they want a 32-bit or 64-bit build?
In the past I've always done that by launching the appropriate
start-shell-msvc2015-x64 batch file.

--BDS

On Tue, Jun 20, 2017 at 12:12 PM, Ryan VanderMeulen <
rvandermeu...@mozilla.com> wrote:

> The build system will automatically use the MSVC 64-bit cross-compile
> toolchain (amd64_x86) when building 32-bit. The logic for this lives in the
> get_vc_paths function in build/moz.configure/toolchain.configure. So
> yeah, things should Just Work depending on whether you have mozconfig set
> to build 32-bit or 64-bit. I'm also going to want to note when this goes
> final that the build system supports detection of both MSVC 2015 and 2017
> at this point, defaulting to the latter if both are found. It can be
> manually specified via the --with-visual-studio-version option, however.
>
> -Ryan
>
> On Tue, Jun 20, 2017 at 11:47 AM, Benjamin Smedberg <benja...@smedbergs.us
> > wrote:
>
>>
>>
>> On Tue, Jun 20, 2017 at 11:35 AM, Ryan VanderMeulen <
>> rvandermeu...@mozilla.com> wrote:
>>
>>> After a lot of local testing and help from others, I think MozillaBuild
>>> 3.0 is ready to be considered a release candidate. If I don't hear of any
>>> late-breaking blockers, I intend to get this signed and released on Friday.
>>>
>>> Major updates since 2.2.0:
>>> * Windows 7+ 64-bit is officially required to install.
>>> * A number of components were updated to their 64-bit versions, Python
>>> included.
>>> * nodejs and python3 were added.
>>> * NSIS was updated to version 3.01 and older versions were removed.
>>> * start-shell-msvc*.bat were removed in favor of using only
>>> start-shell.bat. The build system handles all compiler and platform SDK
>>> detection now.
>>>
>>
>> As a person who didn't know about start-shell.bat before today: how do I
>> configure a 64-bit or 32-bit build in this new setup? Is this something
>> that would now be in the mozconfig?
>>
>> --BDS
>>
>>
>>
>
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