Move wait3, WRETCODE from src/s to configure

* configure.ac (wait3, WRETCODE): Move here from src/s/usg5-4-common.h.

* s/usg5-4-common.h (wait3, WRETCODE): Let configure set them.

2 files changed, 2 insertions, 9 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index cd146728208..12afc8d080d 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -8,6 +8,8 @@
 
 2012-07-31  Glenn Morris  <rgm@gnu.org>
 
+        * s/usg5-4-common.h (wait3, WRETCODE): Let configure set them.
+
         * conf_post.h [IRIX6_5]: Move remaining contents of s/irix6-5.h here.
         * s/irix6-5.h: Remove file.
 
diff --git a/src/s/usg5-4-common.h b/src/s/usg5-4-common.h
index 05f22143460..1b545aad1ce 100644
--- a/src/s/usg5-4-common.h
+++ b/src/s/usg5-4-common.h
@@ -33,12 +33,3 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <sys/stropts.h>
 #include <sys/termios.h>
 #endif
-
-/* It is possible to receive SIGCHLD when there are no children
-   waiting, because a previous waitsys(2) cleaned up the carcass of child
-   without clearing the SIGCHLD pending info.  So, use a non-blocking
-   wait3 instead, which maps to waitpid(2) in SysVr4. */
-#define wait3(status, options, rusage) \
-  waitpid ((pid_t) -1, (status), (options))
-#define WRETCODE(w) (w >> 8)
-