daemontools relies on 'extern int errno' being defined, which is not the case with the latest glibc. Reproducible: Always Steps to Reproduce: 1.emerge -u daemontools 2. 3. Actual Results: build fails The solution appears to be to replace 'extern int errno' with "#include <errno.h>" in error.h.
*** This bug has been marked as a duplicate of 16396 ***