tests: fix IPC test set

- use one single library instead of loose library files
- we don't have ftime() anymore
- shmat(non-NULL) is currently broken, fix shmt test set to bypass this
- some other small issues

test/ipc/lib/parse_opts.c

@@ -577,7 +577,7 @@ STD_opts_help(void)
 
     for(i = 0; std_options[i].optstr; ++i) {
 	if (std_options[i].help)
-	    printf(std_options[i].help);
+	    fputs(std_options[i].help, stdout);
     }
 }