From 4441496397d003bdae8bfe21c4546d3ea02dcee2 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Wed, 21 Apr 2004 12:25:18 +0000
Subject: [PATCH] install -s failed on System V if SIGCHLD was ignored.

Include <signal.h>.
(main) [defined SIGCHLD]: Set SIGCHLD handler to the default,
if -s is given, since System V fork+wait does not work if SIGCHLD
is ignored.
---
 src/install.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/install.c b/src/install.c
index 3279782..6f447b2 100644
--- a/src/install.c
+++ b/src/install.c
@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <getopt.h>
 #include <sys/types.h>
+#include <signal.h>
 #include <pwd.h>
 #include <grp.h>
 
@@ -227,6 +228,10 @@ main (int argc, char **argv)
 	  break;
 	case 's':
 	  strip_files = 1;
+#ifdef SIGCHLD
+	  /* System V fork+wait does not work if SIGCHLD is ignored.  */
+	  signal (SIGCHLD, SIG_DFL);
+#endif
 	  break;
 	case 'd':
 	  dir_arg = 1;
-- 
2.7.4