Find attached the error (linking error with duplicated symbols ...) and emerge --info. The same error appear with gcc-4 (beta) and gcc-3.4.3. Thanks Reproducible: Always Steps to Reproduce:
Created attachment 56637 [details] compilation error
Created attachment 56638 [details] emerge --info
Try remove -feliminate-dwarf2-dups from your CFLAGS
Yes, it works !!! Please filter this cflag ! thanks Didier
no, you can filter it -- it's way too obscure a flag.