make: unifdef for other OSes (undefined)

@@ -59,13 +59,11 @@
 #       include <rx/api.h>
 #endif
 
 #include <signal.h>
 
-#ifndef HP_UX
 #       include <stropts.h>
-#endif
 
 #include <sys/errno.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/utsname.h>        /* uname() */

@@ -3557,15 +3555,11 @@
         switch (child) {
         case -1:
                 break;
         case 0:
                 enable_interrupt((void (*) (int))SIG_DFL);
-#ifdef linux
-                (void) signal(SIGUSR1, Avo_PollResultsAction_Sigusr1Handler);
-#else
                 (void) sigset(SIGUSR1, Avo_PollResultsAction_Sigusr1Handler);
-#endif
                 pollResultsAction(outFn, errFn);
 
                 exit(0);
                 break;
         default:

@@ -3615,26 +3609,18 @@
                         outFn, strerror(errno));
                 exit(1);
         }
 
         while (!pollResultsActionTimeToFinish && stat(outFn, &statbuf) == 0) {
-#ifdef linux
-                if ((statbuf.st_mtime > file_time)
-                   ) {
-                        file_time = statbuf.st_mtime;
-                        rxmGetNextResultsBlock(fd);
-                }
-#else
                 if ((statbuf.st_mtim.tv_sec > file_time) ||
                     ((statbuf.st_mtim.tv_sec == file_time) &&
                     (statbuf.st_mtim.tv_nsec > file_time_nsec))
                    ) {
                         file_time = statbuf.st_mtim.tv_sec;
                         file_time_nsec = statbuf.st_mtim.tv_nsec;
                         rxmGetNextResultsBlock(fd);
                 }
-#endif
                 us_sleep(STAT_RETRY_SLEEP_TIME);
         }
         // Check for the rest of output
         rxmGetNextResultsBlock(fd);