Firefox build issues with Rust and the new VS2017 15.5 update
rvandermeulen at mozilla.com
Fri Dec 8 04:46:40 UTC 2017
That's the issue Adam raised, separate from the clang one. It's tracked in
bug 1423649. For now, you can use the workaround Adam gave in this thread
already or you can use the patch attached to the bug.
On Dec 7, 2017 11:13 PM, "James Cheng" <jacheng at mozilla.com> wrote:
> Hi Ryan,
> I did ``./mach bootstrap`` and the problem still happened with my VS 15.5
> I deleted the folders under my .mozbuild and do the bootstrap again but it
> seems useless...
> The errors are something like
> 9:58.83 c:\gecko-dev\obj-x86_64-pc-mingw32\dist\include\gtest/gtest-printers.h(878):
> error C4996: 'std::tr1': warning STL4002: The non-Standard std::tr1
> namespace and TR1-only machinery are deprecated and will be REMOVED. You
> can define _SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING to acknowledge that
> you have received this warning.
> and I did the bootstrap with the latest central(Bug 1423307 included).
> Can I do anything for troubleshooting?
> Thank you.
> 1. Firefox for Desktop Artifact Mode
> 2. Firefox for Desktop
> 3. Firefox for Android Artifact Mode
> 4. Firefox for Android
> Your choice: 2
> Running pip to ensure Mercurial is up-to-date...
> Requirement already up-to-date: Mercurial in c:\mozilla-build\python\lib\
> Your version of Python (2.7.14) is new enough.
> Your version of Rust (1.22.1) is new enough.
> Rust supports i686-pc-windows-msvc, x86_64-pc-windows-msvc targets.
> 0:23.30 Downloading clang.tar.bz2
> 0:23.30 Downloading to temporary location c:\Users\jameswc\.mozbuild\
> 0:23.77 Downloading... 0.0 %
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> 0:36.11 Downloading... 100.0 %
> 0:36.12 Downloaded artifact to c:\Users\jameswc\.mozbuild\
> 0:36.47 untarring "c:\Users\jameswc\.mozbuild\clang.tar.bz2"
> Your system should be ready to build Firefox for Desktop!
> 2017-12-07 23:00 GMT+08:00 Ryan VanderMeulen <rvandermeulen at mozilla.com>:
>> Bug 1423307 has been merged to m-c now. After you've updated m-c, you can
>> re-run |./mach bootstrap| to pick up the newer clang binaries that will
>> the _Ty problem.
>> On Tue, Dec 5, 2017 at 2:14 PM, Ryan VanderMeulen <
>> rvandermeulen at mozilla.com
>> > wrote:
>> > As a follow-up, it looks like updating to a newer LLVM version fixes the
>> > problem. That update is being tracked in https://bugzilla.mozilla.org/
>> > show_bug.cgi?id=1423307.
>> > For anybody already hitting this bustage locally, you can try updating
>> > your clang toolchain under ~/.mozbuild/clang to the one below until the
>> > in-tree changes are landed:
>> > https://queue.taskcluster.net/v1/task/Q7sN0gfPSE-
>> > OAEV5vuGtEA/runs/0/artifacts/public/build/clang.tar.bz2
>> > -Ryan
>> > On Tue, Dec 5, 2017 at 11:16 AM, Ryan VanderMeulen <
>> > rvandermeulen at mozilla.com> wrote:
>> >> FYI, the VC++ 2017 v14.12 toolset included in the recently-released
>> >> VS2017 15.5 update appears to have broken building Firefox due to
>> >> with the Rust compiler (in particular, the version of libclang we ship
>> >> it) and one of the system headers:
>> >> C:\PROGRA~2\MIB055~1\2017\COMMUN~1\VC\Tools\MSVC\1412~1.258\
>> >> error: '_Ty' does not refer to a value
>> >> Which in turns leads to a Rust panic and build failure.
>> >> The Visual Studio installer allows you to install the prior v14.11
>> >> toolset as well, but I haven't verified yet that our build system will
>> >> properly use it if it's there. In the mean time, I'd strongly advise
>> >> avoiding this update until it's sorted out.
>> >> -Ryan
>> dev-platform mailing list
>> dev-platform at lists.mozilla.org
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