Re: [gentoo-user] Getting rid of gcc-4.7.3...how?

[Bill Kenworthy]

On 19/12/14 13:39, meino.cramer@×××.de wrote:
> Hi,
>
> (this happens on a embedded system)
>
> I ran into a problem I think...
>
> As adviced I run
>
>     emerge --depclean -v -p
>
> after a greater update to world.
> (by the way: Updateing the world is generally to a bad idea...;)
>
> Beside other things, gcc-4.7.3 was slated for removal. As
> gcc-4.8.3 was already installed and gcc-config shows that it
> is active, I started the above command without "-p"....
> And it screws up the whole thing badly:
> There were many, many applications (the shell for example...)
> which were directly linked to
> /usr/lib/gcc/armv7a-hardfloat-linux-gnueabi/4.7.3/libgcc_s.so.1
> and/or
> /usr/lib/gcc/armv7a-hardfloat-linux-gnueabi/4.7.3/libstdc++.so.6
>
> After clearing the sdcard and reinstalling the backup I started
> to emerge all affected ebuilds by hand...only to find, that they
> were again linked against the old libs.
>
> I checked again with gcc-config and found:
>
> beagleboneblack:/root>gcc-config -L
> /usr/lib/gcc/armv7a-hardfloat-linux-gnueabi/4.8.3
> beagleboneblack:/root>gcc-config -c
> armv7a-hardfloat-linux-gnueabi-4.8.3
> beagleboneblack:/root>gcc-config -E
> export PATH="/usr/armv7a-hardfloat-linux-gnueabi/gcc-bin/4.8.3:/lib/rc/bin:/bin:/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/bin/:/opt/bin:/usr/armv7a-hardfloat-linux-gnueabi/gcc-bin/4.8.3:/usr/games/bin:/root/bin"
> export GCC_SPECS=""
>
>
> What is going on here? Why still the old compiler and its libraries
> are used? How can I convince Gentoo to finally switch ti gcc-4.8.3?
>
> What do you think?
>
> Best regards,
> Meino
>
>

Did you run fix_libtool_files.sh? - you have to do it manually after
switching gcc to a bew version.

BillK