[gentoo-user] Resolved: Running programs compiled with a different gcc version

[Urs Schutz <u.schutz@bluewin.ch>]

On Sun, 20 May 2012 01:01:48 +0300
Nikos Chantziaras <realnc@gmail.com> wrote:

> On 19/05/12 23:23, Urs Schutz wrote:
> > Yesterday I manually compiled photivo, a camera raw file
> > converter and image editor. One of the requirements for
> > installing is gcc 4.6. So I manually unmasked gcc 4.6.3
> > and installed it with portage.
> > After switching gcc with gcc-config and . /etc/profile,
> > photivo compiled fine.
> > A test run showed that photivo is running fine.
> >
> > I simply do not know enough about gcc and gentoo to
> > leave gcc at 4.6.3, and switched back to the stable 4.5
> > branch (gcc-config and . /etc/profile again).
> >
> > When I try to run photivo again I get an error:
> > photivo: /usr/lib/gcc/i686-pc-linux-gnu/4.5.3/libstdc++.so.6:
> > version `GLIBCXX_3.4.15' not found (required by photivo)
> >
> > locate -i glibcxx shows no results.
> >
> > My question is: Can I set some variables (e.g. in a bash
> > start script) that photivo thinks it is running on a
> > system with gcc 4.6? All the components are installed,
> > as I can switch gcc to 4.6.3 and run photivo as user.
> >
> > I do not see any changes in environment variables before
> > and after switching gcc versions. What magic does
> > gcc-config do?
> 
> Try starting photivo with:
> 
>    LD_LIBRARY_PATH=/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.3
> photivo
> 
> (I assume the executable is named "photivo".)
> 
> 

That's it.
LD_LIBRARY_PATH=/usr/lib/gcc/i686-pc-linux-gnu/4.6.3 photivo

Thank you!
Urs