build: FAILED conformance/interfaces/sigaction/30-1: build: FAILED: Compiler output: conformance/interfaces/sigaction/30-1.c:117:49: error: use of undeclared identifier 'SIGRTMAX' output( "Trying to catch invalid signal %dn", SIG_INVALID ); ^ conformance/interfaces/sigaction/30-1.c:82:21: note: expanded from macro 'SIG_INVALID' #define SIG_INVALID SIGRTMAX+10 ^ conformance/interfaces/sigaction/30-1.c:120:19: error: use of undeclared identifier 'SIGRTMAX' ret = sigaction( SIG_INVALID, &sa, 0 ); ^ conformance/interfaces/sigaction/30-1.c:82:21: note: expanded from macro 'SIG_INVALID' #define SIG_INVALID SIGRTMAX+10 ^ conformance/interfaces/sigaction/30-1.c:124:59: error: use of undeclared identifier 'SIGRTMAX' output( "Is signal %d valid on this implementation?n", SIG_INVALID ); ^ conformance/interfaces/sigaction/30-1.c:82:21: note: expanded from macro 'SIG_INVALID' #define SIG_INVALID SIGRTMAX+10 ^ 3 errors generated.