Description
Couchbase build fails at forestdb component for s390x. As REG_EIP is not defined for s390x, it fails with variable found undefined as follow:
/home/test/couchbase/forestdb/utils/debug.cc: In function 'void sigsegv_handler(int, siginfo_t*, void*)':
/home/test/couchbase/forestdb/utils/debug.cc:93:63: error: 'REG_EIP' was not declared in this scope
unsigned char *pc = (unsigned char *)u->uc_mcontext.gregs[REG_EIP];