LO 24.2 C++20 baseline

[Christian Lohmaier]

Hi Andreas,

On Fri, Sep 22, 2023 at 9:31 PM Andreas Mantke <maand at gmx.de> wrote:
> >
> You can upgrade to Leap 15.5 and compiling should work again:
> https://build.opensuse.org/package/show/openSUSE:Leap:15.5:Update/gcc12
>
> unfortunately the upgrade didn't fix the issue. I got this lines at the end of the autogen.sh run:
>
> checking what the C++ library is... GNU libstdc++
> checking for gperf... /usr/bin/gperf
> checking whether gperf is new enough... yes (3.1)
> checking which libcmis to use... internal
> checking whether ccache g++ supports C++20... configure: error: no
> Error running configure at ./autogen.sh line 321.

Did you make sure g++ without any setup is pointing to the new gcc
version? maybe you need to add its path in front of your existing PATH
env-var or you have to use update-alternatives or similar.

You can also look in config.log for more details as to why it fails

ciao
Christian