Re: Building gm2 devel branch on gcc-12

[john o goyo]

On 2022-02-15 14:21, Gaius Mulley wrote:
> john o goyo <jog37@riddermarkfarm.ca> writes:
>
> > Greetings, Gaius.
> >
> > On 2022-02-15 12:25, Gaius Mulley wrote:
> > > john o goyo <jog37@riddermarkfarm.ca> writes:
> > >
> > > > Greetings, all.
> > > >
> > > > Now the build has stopped as follows.
> > > >
> > > > gmake[3]: Entering directory '/home/build/opt/gcc/bld/gm2/gcc'
> > > > unset CC ; m2/boot-bin/mklink -s --langc++ --exit --name mainmcinit.c
> > > > ../../../src/gcc-git/gcc/m2/init/mcinit
> > > > m2/boot-bin/mklink: Shared object "libstdc++.so.6" not found
> > > >
> > > > Note:
> > > >
> > > > duplex$ lf /usr/lib/libstdc++.so*
> > > > /usr/lib/libstdc++.so@      /usr/lib/libstdc++.so.9@
> > > > /usr/lib/libstdc++.so.9.0
> > > >
> > > >
> > > > I do not understand this.  Should mklink not accept libstdc++.so
> > > > rather than the specific libstdc++.so.6?
> > > >
> > > > Sincerely,
> > > > john
> > > Hi John,
> > >
> > > that is odd - mklink is now built by the C++ compiler (a recent change
> > > from around a month ago).  Which C++ compiler built mklink on your
> > > system?
> > duplex$ g++ -v
> > Using built-in specs.
> > [...]
> > gcc version 7.5.0 (nb4 20200810)
> >
> >
> > >     Any chance you can post the build log?
> > Of course but where is it?  #6-)
> ah yes :-).  Is it possible to restart the build and redirect stdout and
> error to a file - it might be huge but could be useful to eyeball the
> build commands for mklink and the above (possibly!),

Will do.  (Incidentally, after two days, gimple-match.cc was still 
compiling.  I compiled by hand, removing the optimization, and went 
well.  This must be a worst-case scenario. #6-)

Sincerely,
john

> regards,
> Gaius