build: use gnulib's sys/wait.h

* configure.ac: Drop sys/wait.h check.
* src/libvirt.c (includes): Use header unconditionally.
* src/remote/remote_driver.c (includes): Likewise.
* src/storage/storage_backend.c (includes): Likewise.
* src/util/ebtables.c (includes): Likewise.
* src/util/hooks.c (includes): Likewise.
* src/util/iptables.c (includes): Likewise.
* src/util/util.c (includes): Likewise.

bootstrap.conf

@@ -57,6 +57,7 @@ strptime
 strsep
 strtok_r
 sys_stat
+sys_wait
 time_r
 timegm
 uname

configure.ac

@@ -122,7 +122,7 @@ LIBS=$old_libs
 
 dnl Availability of various common headers (non-fatal if missing).
 AC_CHECK_HEADERS([pwd.h paths.h regex.h sys/syslimits.h \
-  sys/wait.h sched.h termios.h sys/poll.h syslog.h mntent.h net/ethernet.h])
+  sched.h termios.h sys/poll.h syslog.h mntent.h net/ethernet.h])
 
 dnl Where are the XDR functions?
 dnl If portablexdr is installed, prefer that.

src/libvirt.c

@@ -18,9 +18,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <assert.h>
-#ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
+#include <sys/wait.h>
 #include <time.h>
 #include <gcrypt.h>
 

src/remote/remote_driver.c

@@ -33,6 +33,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <arpa/inet.h>
+#include <sys/wait.h>
 
 /* Windows socket compatibility functions. */
 #include <errno.h>
@@ -45,10 +46,6 @@
 # include <netinet/tcp.h>
 #endif
 
-#ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
-
 #ifdef HAVE_PWD_H
 # include <pwd.h>
 #endif

src/storage/storage_backend.c

@@ -29,9 +29,7 @@
 # include <regex.h>
 #endif
 #include <sys/types.h>
-#if HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
+#include <sys/wait.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <stdint.h>

src/util/ebtables.c

 /*
- * Copyright (C) 2009 IBM Corp.
  * Copyright (C) 2007-2010 Red Hat, Inc.
+ * Copyright (C) 2009 IBM Corp.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -33,10 +33,7 @@
 #include <fcntl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-
-#ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
+#include <sys/wait.h>
 
 #ifdef HAVE_PATHS_H
 # include <paths.h>

src/util/hooks.c

@@ -24,9 +24,7 @@
 #include <config.h>
 
 #include <sys/types.h>
-#if HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
+#include <sys/wait.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <stdlib.h>

src/util/iptables.c

 /*
- * Copyright (C) 2007-2009 Red Hat, Inc.
+ * Copyright (C) 2007-2010 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -31,10 +31,7 @@
 #include <fcntl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-
-#ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
+#include <sys/wait.h>
 
 #ifdef HAVE_PATHS_H
 # include <paths.h>

src/util/util.c

@@ -37,9 +37,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/ioctl.h>
-#if HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
+#include <sys/wait.h>
 #if HAVE_MMAP
 # include <sys/mman.h>
 #endif