build: FAILED conformance/interfaces/sigwaitinfo/2-1: build: FAILED: Compiler output: conformance/interfaces/sigwaitinfo/2-1.c:49:13: error: use of undeclared identifier 'SIGRTMAX' for (rtsig=SIGRTMAX; rtsig>=SIGRTMIN; rtsig--) { ^ conformance/interfaces/sigwaitinfo/2-1.c:49:30: error: use of undeclared identifier 'SIGRTMIN' for (rtsig=SIGRTMAX; rtsig>=SIGRTMIN; rtsig--) { ^ conformance/interfaces/sigwaitinfo/2-1.c:51:3: warning: implicit declaration of function 'sighold' is invalid in C99 [-Wimplicit-function-declaration] sighold(rtsig); ^ conformance/interfaces/sigwaitinfo/2-1.c:58:13: error: use of undeclared identifier 'SIGRTMAX' for (rtsig=SIGRTMAX; rtsig>=SIGRTMIN; rtsig--) { ^ conformance/interfaces/sigwaitinfo/2-1.c:58:30: error: use of undeclared identifier 'SIGRTMIN' for (rtsig=SIGRTMAX; rtsig>=SIGRTMIN; rtsig--) { ^ conformance/interfaces/sigwaitinfo/2-1.c:60:7: warning: implicit declaration of function 'sigqueue' is invalid in C99 [-Wimplicit-function-declaration] if (sigqueue(pid, rtsig, value) != 0) { ^ conformance/interfaces/sigwaitinfo/2-1.c:66:13: warning: implicit declaration of function 'sigwaitinfo' is invalid in C99 [-Wimplicit-function-declaration] if (sigwaitinfo(&selectset, NULL) != SIGRTMIN) { ^ conformance/interfaces/sigwaitinfo/2-1.c:66:46: error: use of undeclared identifier 'SIGRTMIN' if (sigwaitinfo(&selectset, NULL) != SIGRTMIN) { ^ 3 warnings and 5 errors generated.