build: FAILED conformance/definitions/signal_h/35-1: build: FAILED: Compiler output: conformance/definitions/signal_h/35-1.c:15:13: error: use of undeclared identifier 'sighold'; did you mean 'signal'? dummyvar = sighold; ^~~~~~~ signal /usr/include/sys/signal.h:199:8: note: 'signal' declared here void (*signal(int, void (*)(int)))(int); ^ 1 error generated.