If the POSIX.1 wait macros are defined, use them.

From-SVN: r8213

gcc/collect2.c

@@ -79,6 +79,19 @@ extern int sys_nerr;
 #define X_OK 1
 #endif
 
+#ifndef WIFSIGNALED
+#define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
+#endif
+#ifndef WTERMSIG
+#define WTERMSIG(S) ((S) & 0x7f)
+#endif
+#ifndef WIFEXITED
+#define WIFEXITED(S) (((S) & 0xff) == 0)
+#endif
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
+#endif
+
 /* On MSDOS, write temp files in current dir
    because there's no place else we can expect to use.  */
 #ifdef __MSDOS__
@@ -1254,11 +1267,9 @@ do_wait (prog)
   wait (&status);
   if (status)
     {
-      int sig = status & 0x7F;
-      int ret;
-
-      if (sig != -1 && sig != 0)
+      if (WIFSIGNALED (status))
 	{
+	  int sig = WTERMSIG (status);
 #ifdef NO_SYS_SIGLIST
 	  error ("%s terminated with signal %d %s",
 		 prog,
@@ -1275,11 +1286,14 @@ do_wait (prog)
 	  my_exit (127);
 	}
 
-      ret = ((status & 0xFF00) >> 8);
-      if (ret != -1 && ret != 0)
+      if (WIFEXITED (status))
 	{
-	  error ("%s returned %d exit status", prog, ret);
-	  my_exit (ret);
+	  int ret = WEXITSTATUS (status);
+	  if (ret != 0)
+	    {
+	      error ("%s returned %d exit status", prog, ret);
+	      my_exit (ret);
+	    }
 	}
     }
 }

gcc/gcc.c

@@ -60,6 +60,19 @@ compilation is specified by a string called a "spec".  */
 #define X_OK 1
 #endif
 
+#ifndef WIFSIGNALED
+#define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
+#endif
+#ifndef WTERMSIG
+#define WTERMSIG(S) ((S) & 0x7f)
+#endif
+#ifndef WIFEXITED
+#define WIFEXITED(S) (((S) & 0xff) == 0)
+#endif
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
+#endif
+
 /* Add prototype support.  */
 #ifndef PROTO
 #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
@@ -2262,13 +2275,15 @@ execute ()
 	      if (commands[j].pid == pid)
 		prog = commands[j].prog;
 
-	    if ((status & 0x7F) != 0)
+	    if (WIFSIGNALED (status))
 	      {
 		fatal ("Internal compiler error: program %s got fatal signal %d",
-		       prog, (status & 0x7F));
+		       prog, WTERMSIG (status));
 		signal_count++;
+		ret_code = -1;
 	      }
-	    if (((status & 0xFF00) >> 8) >= MIN_FATAL_STATUS)
+	    else if (WIFEXITED (status)
+		     && WEXITSTATUS (status) >= MIN_FATAL_STATUS)
 	      ret_code = -1;
 	  }
       }

gcc/protoize.c

@@ -132,6 +132,19 @@ typedef char * const_pointer_type;
 #define O_RDONLY        0
 #define O_WRONLY        1
 
+#ifndef WIFSIGNALED
+#define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
+#endif
+#ifndef WTERMSIG
+#define WTERMSIG(S) ((S) & 0x7f)
+#endif
+#ifndef WIFEXITED
+#define WIFEXITED(S) (((S) & 0xff) == 0)
+#endif
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
+#endif
+
 /* Declaring stat or __flsbuf with a prototype
    causes conflicts with system headers on some systems.  */
 
@@ -2090,16 +2103,16 @@ gen_aux_info_file (base_filename)
 		     pname, sys_errlist[errno]);
             return 0;
           }
-	if ((wait_status & 0x7F) != 0)
+	if (WIFSIGNALED (wait_status))
 	  {
 	    fprintf (stderr, "%s: subprocess got fatal signal %d",
-		     pname, (wait_status & 0x7F));
+		     pname, WTERMSIG (wait_status));
 	    return 0;
 	  }
-	if (((wait_status & 0xFF00) >> 8) != 0)
+	if (WIFEXITED (wait_status) && WEXITSTATUS (wait_status) != 0)
 	  {
 	    fprintf (stderr, "%s: %s exited with status %d\n",
-		     pname, base_filename, ((wait_status & 0xFF00) >> 8));
+		     pname, base_filename, WEXITSTATUS (wait_status));
 	    return 0;
 	  }
 	return 1;