Re: after Debian update most apps crash - libffi issue?

[Lennart Sorensen <lsorense@csclub.uwaterloo.ca>]

On Tue, Sep 28, 2021 at 04:26:04PM -0400, Lennart Sorensen wrote:
> On Tue, Sep 28, 2021 at 09:34:23PM +0200, John Paul Adrian Glaubitz wrote:
> > OK. I'm regenerating the chroots on the build servers now and then
> > trigger another rebuild of the package. If that still doesn't help,
> > we know there is some runtime detection which enables these instructions
> > during build and I have to start looking into the source code.
> 
> Would this be a problem:
> 
>   powerpc*)
>      cputype=`((grep cpu /proc/cpuinfo | head -n 1 | cut -d: -f2 | cut -d, -f1 | $SED 's/ //g') ; /usr/bin/machine ; /bin/machine; grep CPU /var/run/dmesg.boot | head -n 1 | cut -d" " -f2) 2> /dev/null`
>      cputype=`echo $cputype | $SED -e 's/ppc//g;s/ *//g'`
>      case $cputype in
>        *750*) ax_gcc_arch="750 G3" ;;
>        *740[[0-9]]*) ax_gcc_arch="$cputype 7400 G4" ;;
>        *74[[4-5]][[0-9]]*) ax_gcc_arch="$cputype 7450 G4" ;;
>        *74[[0-9]][[0-9]]*) ax_gcc_arch="$cputype G4" ;;
>        *970*) ax_gcc_arch="970 G5 power4";;
>        *POWER4*|*power4*|*gq*) ax_gcc_arch="power4 970";;
>        *POWER5*|*power5*|*gr*|*gs*) ax_gcc_arch="power5 power4 970";;
>        603ev|8240) ax_gcc_arch="$cputype 603e 603";;
>        *POWER7*) ax_gcc_arch="power7";;
>        *POWER8*) ax_gcc_arch="power8";;
>        *POWER9*) ax_gcc_arch="power9";;
>        *POWER10*) ax_gcc_arch="power10";;
>        *) ax_gcc_arch=$cputype ;;
>      esac
>      ax_gcc_arch="$ax_gcc_arch powerpc"
>      ;;
> 
> I saw that in m4/ax_gcc_archflag.m4
> 
> I guess related would be this configure option:
>   --with-gcc-arch=<arch>  use architecture <arch> for gcc -march/-mtune,
>                           instead of guessing

Or maybe:
  --enable-portable-binary
                          disable compiler optimizations that would produce
                          unportable binaries

-- 
Len Sorensen