build: FAILED conformance/interfaces/sigaction/19-19: build: FAILED: Compiler output: conformance/interfaces/sigaction/19-19.c:89:25: error: use of undeclared identifier 'SIGPOLL' if ( info->si_signo != SIGNAL ) ^ conformance/interfaces/sigaction/19-19.c:80:16: note: expanded from macro 'SIGNAL' #define SIGNAL SIGPOLL ^ conformance/interfaces/sigaction/19-19.c:129:19: error: use of undeclared identifier 'SIGPOLL' ret = sigaction( SIGNAL, &sa, 0 ); ^ conformance/interfaces/sigaction/19-19.c:80:16: note: expanded from macro 'SIGNAL' #define SIGNAL SIGPOLL ^ conformance/interfaces/sigaction/19-19.c:141:15: error: use of undeclared identifier 'SIGPOLL' ret = raise( SIGNAL ); ^ conformance/interfaces/sigaction/19-19.c:80:16: note: expanded from macro 'SIGNAL' #define SIGNAL SIGPOLL ^ 3 errors generated.