Created attachment 267609 [details] config.log checking for suffix of executables... checking whether we are cross compiling... configure: error: in `/var/tmp/portage/dev-util/cppunit-1.12.1/work/cppunit-1.12.1': configure: error: cannot run C compiled programs. If you meant to cross compile, use `--host'. See `config.log' for more details
Created attachment 267611 [details] build.log
Created attachment 267613 [details] emerge --info
The error is: /usr/include/features.h:356:25: fatal error: sys/cdefs.h: No such file or directory seems something is wrong with your glibc.
Please reopen if you still have this problem (and add new logs and emerge info).