build: FAILED
conformance/interfaces/sigpause/4-1: build: FAILED: Compiler output:
conformance/interfaces/sigpause/4-1.c:29:9: error: use of undeclared identifier 'PTP_UNSUPPORTED'
return PTP_UNSUPPORTED;
^
conformance/interfaces/sigpause/4-1.c:31:17: warning: implicit declaration of function 'sigpause' is invalid in C99 [-Wimplicit-function-declaration]
return_value = sigpause(-1);
^
1 warning and 1 error generated.