There are a few changes in glibc-2.10 that might make your software fail to build with it, please refer to my blog post  if you're not sure what the problem is. Also make sure to fix it rather than sidestepping the issue  and .
And no I don't usually provide emerge --info with these bugs because they are caused by glibc-2.10!
Created attachment 197769 [details]
Is it really that it does fail with glibc-2.10? From the build log and ref  of Diegos bug report it seems the error is still because of GCC-4.4.0.
I will see to get a fix in next hours.
Likely it's the combination of the two.
Created attachment 198354 [details]
Addtional patches needed to compile cleanly with GCC-4.4.0 (and glibc-2.10)
Provided patch fixes the remaining problems. Compiles cleanly with it here on x86.
Fixed in portage, thanks to Thomas Beierlein for the patch