Re: [gentoo-user] Circular dependencies

[Alan McKinnon]

On Monday 26 July 2010 13:32:17 András Csányi wrote:
> Hi All,
>
> Earlier time I did resolve this problem because it was my desktop
> machine. But now this is an virtual machine hosted by Amazon. So, how
> can fix this circular dependencies issue? The portage is synced.
>
> Thanks for any help!
>
> [nomerge      ] sys-devel/gcc-4.4.3-r2 [4.1.2] USE="fortran mudflap
> nls nptl (-altivec) -bootstrap -build -doc (-fixed-point) -gcj
> -graphite -gtk (-hardened) (-libffi) (-multilib) -multislot (-n32)
> (-n64) -nocxx -objc -objc++ -objc-gc -openmp -test -vanilla"
> [ebuild     U ]  sys-libs/glibc-2.11.2 [2.6.1] USE="nls -debug -gd
> -glibc-omitfp (-hardened) (-multilib) -profile (-selinux) -vanilla"
> 15,994 kB
> [ebuild  NS   ]   sys-devel/gcc-4.4.3-r2 [4.1.2] USE="fortran mudflap
> nls nptl (-altivec) -bootstrap -build -doc (-fixed-point) -gcj
> -graphite -gtk (-hardened) (-libffi) (-multilib) -multislot (-n32)
> (-n64) -nocxx -objc -objc++ -objc-gc -openmp -test -vanilla" 61,486 kB
>
> Total: 2 packages (1 upgrade, 1 in new slot), Size of downloads: 77,479 kB
>
>  * Error: circular dependencies:
>
> ('ebuild', '/', 'sys-devel/gcc-4.4.3-r2', 'merge') depends on
>   ('ebuild', '/', 'sys-libs/glibc-2.11.2', 'merge') (buildtime)
> ('ebuild', '/', 'sys-libs/glibc-2.11.2', 'merge') depends on
>   ('ebuild', '/', 'sys-devel/gcc-4.4.3-r2', 'merge') (buildtime)
>
>  * Note that circular dependencies can often be avoided by temporarily
>  * disabling USE flags that trigger optional dependencies.


emerge -av1 =glibc-2.10.1-r1

then emerge the rest of world. That version of glibc is OK with gcc-4.1.* and 
breaks the circular loop.

I had to do this very thing this weekend on an old box. Solving it involved 
reading all the ebuilds and writing down their deps to find a path through it 
:-)


-- 
alan dot mckinnon at gmail dot com