Problems with out libgcc_s.so in base

[Steven G. Kargl]

On Thu, Aug 18, 2016 at 05:43:04PM -0700, Steven G. Kargl wrote:
> 
> % cd ~/work/6/lib

Dang.  This should have been "cd /usr/local/lib/gcc6"

> % sed s/gcc_s/gcc_t/ < libgfortran.so.3 > zxc
> % mv zxc libgfortran.so.3 
> % elfdump -a libgfortran.so.3 | grep gcc_
>         d_val: libgcc_t.so.1
> % ln -sf libgcc_s.so.1 libgcc_t.so.1

This magic can be done as a post-install step.

> % ldconfig -R
> % ldconfig -r | grep libgcc
>         6:-lgcc_s.1 => /lib/libgcc_s.so.1
>         735:-lgcc_s.1 => /usr/local/lib/gcc6/libgcc_s.so.1
>         745:-lgcc_t.1 => /usr/local/lib/gcc6/libgcc_t.so.1
> 
> % cd tmp
> % gfortran6 -o z foo.f90 && ./z
>  Hello
> 
> That is, the name clash in ldconfig can be avoided by editing
> libgfortran.so.3 to look for a symlinked libgcc_s.so.1.
> 
> -- 
> Steve
> http://troutmask.apl.washington.edu/~kargl/

-- 
Steve
http://troutmask.apl.washington.edu/~kargl/