see the summary. trying to emerge libstdc++ emerges an older 3.x.x version of gcc. Reproducible: Always Steps to Reproduce: 1.emerge gcc 2.emerge gmp 3. Actual Results: configure.wrapped: error: C++ compiler not available, see config.log for details Expected Results: die "econf failed" build/merge dev-libs/gmp-5.0.2 successfuly
Well, duh - libstdc++ is from 3.3. What is the error in that config.log ? (frankly, I suspect it will be INVALID)
I doubt the bug is invalid. I had the same problem on three different amd64(!) machines. Each time I upgraded from gcc-4.5.x to gcc-4.5.x+1 libstdc++.so.6 couldn't be found anymore. Re-emerging the same gcc once again fixed that and I got the libstdc++ back. See also bug #370675 which might even be a dupe of this one (or vice versa).
we need the full build log where the library was not installed in order to go anywhere