Overview

Request 763889 accepted

- Add upstream patch to export compiler-rt FuzzedDataProvider header,
required by Envoy 1.12.2:
* compiler-rt-move-fdp.patch

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Aaron Puchert's avatar

The reformatting of the build conditions doesn't seem helpful to me, also I'll probably have to undo the changes to sed. We want to replace /usr/bin/env, not %{_bindir}/env.

I'm still discussing about this header with upstream, because in my opinion there is no reason to deliver this header with Clang.


Jaime Caamaño Ruiz's avatar

This is the spec cleaner in action I guess. I agree is not the most helpful formatting sometimes. I did not run explicitly so I guess there should be a way do disable it per project/package?


Jaime Caamaño Ruiz's avatar

@pluskalm

Are you aware of any change to run spec cleaner by default in non-minimal way? Or am I running it somehow inadvertently? Thanks!


Aaron Puchert's avatar

I think there are different levels of automatic changes, and I don't usually run spec-cleaner, because it does a little bit too much in my opinion. I'm going with the default format_spec_file. I think. You can probably circumvent it with osc commit --noservice, but that will drop all services.


Jaime Caamaño Ruiz's avatar

With the package spec-cleaner-format_spec_file installed`, these services run automatically upon osc build:

Run source service: /usr/lib/obs/service/format_spec_file --outdir /home/jcaamano/dev/suse/obs/home:jaicaa:branches:devel:tools:compiler/llvm9/tmpuxemsauj.format_spec_file.service Run source service: /usr/lib/obs/service/source_validator --outdir /home/jcaamano/dev/suse/obs/home:jaicaa:branches:devel:tools:compiler/llvm9/tmpeqxh6ash.source_validator.service

/usr/lib/obs/service/format_spec_file runs: /usr/bin/spec-cleaner -m -f "$i" -i > /dev/null 2>&1

-m stands for minimal. And is doing changes such as replacing /usr/bin with %{_bindir} in that sed command.

Locally, I see no other (standard) option but to uninstall spec-cleaner-format_spec_file. But my guess is that this kind of service might run also server-side.


Aaron Puchert's avatar

Hmm, I don't have spec-cleaner-format_spec_file installed, which makes me use the default implementation of format_spec_file instead. I don't think the spec-cleaner runs on the server, at least I haven't seen it there.


Martin Pluskal's avatar

5-# Copyright (c) 2020 SUSE LLC 6+# Copyright (c) 2020 SUSE LINUX GmbH, Nuernberg, Germany.

You seem to be doing changes from rather old system ...


Jaime Caamaño Ruiz's avatar

What do you mean? I am using an updated leap 15.1 with its repo osc 0.165.4.


Martin Pluskal's avatar

Then please install spec-cleaner-format_spec_file and/or remove obs-service-format_spec_file - it is reverting this correct changes in unattended matter for you.

As alternative you might run osc with "--noservice" parameter.


Aaron Puchert's avatar

The changes to compiler-rt/lib/fuzzer/FuzzerExtFunctions.def seem to indicate that this changes the API of installed libraries, is this intended? I'm not sure if this has unintended side effects.


Aaron Puchert's avatar

Nevermind, that doesn't seem to be an issue. However, I don't think there is a reason to patch LLVM here, since all this patch does is add a header. You can just include that header with Envoy for now.

On top of that, I share the concerns of Roman Lebedev from the upstream review.


Jaime Caamaño Ruiz's avatar

Yes, we can include the header directly with envoy. We try this first because is less work to apply this upstream patch than doing the envoy side and then redoing it properly in the future.

I was not aware of the upstream concerns. I guess if this is subject to change further sooner rather than later, it may make less sense. I leave it up to you. Thanks!


Aaron Puchert's avatar

The header is apparently independent of Clang and delivering it as part of Clang's builtin headers is a pretty strange decision. These headers are supposed to contain the compiler-dependent parts of the standard library, and they are only used when compiling with Clang, not with any other compiler.

However, since the change comes from Google, and Google is a large upstream contributor that has decided that Clang is the only compiler they recognize, I'm not sure if it's subject to change.


Request History
Jaime Caamaño Ruiz's avatar

jaicaa created request

- Add upstream patch to export compiler-rt FuzzedDataProvider header,
required by Envoy 1.12.2:
* compiler-rt-move-fdp.patch


Martin Pluskal's avatar

pluskalm accepted request

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