Bug#1134097: webkit2gtk: Please refresh no-must-tail.patch to address FTBFS on alpha and sh4

[Adrian Bunk]

On Thu, Apr 16, 2026 at 02:06:16PM +0200, Alberto Garcia wrote:
> Control: tags -1 pending
> 
> On Thu, Apr 16, 2026 at 12:29:00PM +0200, John Paul Adrian Glaubitz wrote:
> > the patch no-must-tail.patch needs an update to fix the FTBFS on
> > alpha and sh4.
> 
> Applied, thanks
>...

I wonder whether whitelisting the architectures where it works might be 
upstreamable?

Source/ThirdParty/skia/modules/skcms/src/skcms_internals.h says:
        // [[clang::musttail]] is great for performance, but it's not well supported and we run into
        // a variety of problems when we use it. Fortunately, it's an optional feature that doesn't
        // affect correctness

The problem is that gcc implements it as a "must" since there are 
other use cases where musttail is relevant for correctness.

The same issue was fixed in protobuf with
  https://github.com/protocolbuffers/protobuf/commit/719f3037032b2e952afe7fc49152cc4be38fa7a3

> Berto

cu
Adrian