[cfe-dev] [llvm-dev] Reminder: SVN will be retired on Oct 21, 2019 -- Please migrate your workflows to github ASAP.

Shoaib Meenai via cfe-dev cfe-dev at lists.llvm.org
Fri Jul 12 08:46:59 PDT 2019

This got fixed by https://reviews.llvm.org/D58157, btw.

From: llvm-dev <llvm-dev-bounces at lists.llvm.org> on behalf of Justin Clift via llvm-dev <llvm-dev at lists.llvm.org>
Reply-To: Justin Clift <justin at postgresql.org>
Date: Friday, July 12, 2019 at 2:08 AM
To: Nicolai Hähnle-Montoro <nhaehnle at gmail.com>
Cc: llvm-dev <llvm-dev at lists.llvm.org>, LLDB Dev <lldb-dev at lists.llvm.org>, cfe-dev <cfe-dev at lists.llvm.org>, "openmp-dev (openmp-dev at lists.llvm.org)" <openmp-dev at lists.llvm.org>
Subject: Re: [llvm-dev] Reminder: SVN will be retired on Oct 21, 2019 -- Please migrate your workflows to github ASAP.

On 2019-07-12 17:41, Nicolai Hähnle-Montoro via llvm-dev wrote:
On Fri, Jul 12, 2019 at 4:24 AM Tom Stellard via llvm-dev
<llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> wrote:
We are still on track to retire SVN and complete the transition to
by Oct 21, 2019 (This year's US Dev Meeting).
Even though this 3+ months away, it is very important that you begin
to migrate
your workflows to GitHub as soon as possible.  For developers, this
means using
the git-llvm script to commit changes and for CI systems or other
read-only use
cases can begin fetching code directly from GitHub.
The migration isn't just about moving from SVN to Git. For many folks,
it's also about moving from individual component repository to the
What's the experience people have had with that move? What works and
what doesn't?

One gotcha was the automatic blind inclusion of "clang extra tools"
when building clang (eg `-DLLVM_ENABLE_PROJECTS="clang;lld"`).

This caused linker problems (trying to build a static lib), which we
weren't able to solve in a few hours of looking.

Instead, the undocumented flag `-DLLVM_TOOL_CLANG_TOOLS_EXTRA_BUILD=OFF`
can be added to the CMake line to turn off building those extra tools.

With that flag added things worked. :)

+ Justin

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