boost 1.81 breaks libetonyek and gtv-calc-header-bar.cxx

[Stephan Bergmann]

On 1/8/23 05:40, - Etna wrote:
> Boost 1.81 has been released, but Libreoffice has not been able to be 
> compiled against it for more than a month. Compilation fails with a 
> whole bunch of duplicate symbol errors and libreoffice compilation 
> cannot proceed. Steps to Reproduce: 1. Have Boost 1.81 present on the 
> system 2. Build Libreoffice with ---with-system-boost, making sure that 
> the configuration script points to Boost 1.81 3. Build error about 
> implicit instantiation for gtv-calc-header-bar.cxx and duplicate symbols 
> for libetonyek occur. Please see attachment. Actual Results: A whole 
> bunch of errors about duplicate symbols appear. Please see attachment 
> for the output. Expected Results: The build process should have 
> proceeded with no errors. Reproducible: Always reproducible ever since 
> Boost 1.81 beta was released up till today.

see 
<https://github.com/boostorg/phoenix/commit/8b6a9c26c115bc2cefea300b5c0abf7edf6dd9b7> 
"std::tuple support (Resolving #103) (#104)" (as incorporated in our 
<https://git.libreoffice.org/core/+/ed259e5efe432386b54c553cbc644b3b64976852%5E%21> 
"Upgrade external/boost to latest Boost 1.81.0")