build: PASS conformance/interfaces/pthread_mutex_trylock/4-3: build: PASS link: FAILED conformance/interfaces/pthread_mutex_trylock/4-3: link: FAILED: Linker output: ld: error: undefined symbol: pthread_mutexattr_setpshared >>> referenced by 4-3.c >>> conformance/interfaces/pthread_mutex_trylock/4-3.o:(test) cc: error: linker command failed with exit code 1 (use -v to see invocation)