[PATCH 4/5] haiku build fix

[David CARLIER]

>From a4dfa918e6eea7a5ccc4375d83d1f0162e3bb122 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Fri, 26 Jun 2020 13:43:59 +0000
Subject: [PATCH 1/3] check sys/signal.h presence

Signed-off-by: David Carlier <devnexen@gmail.com>
---
 configure                   | 8 ++++++++
 hw/xen/xen-legacy-backend.c | 1 -
 include/qemu/osdep.h        | 2 +-
 util/oslib-posix.c          | 1 -
 4 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index ba88fd1824..5101fd79fd 100755
--- a/configure
+++ b/configure
@@ -3181,6 +3181,11 @@ if ! check_include "ifaddrs.h" ; then
   have_ifaddrs_h=no
 fi

+have_sys_signal_h=no
+if check_include "sys/signal.h" ; then
+  have_sys_signal_h=yes
+fi
+
 ##########################################
 # VTE probe

@@ -7286,6 +7291,9 @@ fi
 if test "$have_broken_size_max" = "yes" ; then
     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
 fi
+if test "$have_sys_signal_h" = "yes" ; then
+    echo "CONFIG_SYS_SIGNAL=y" >> $config_host_mak
+fi

 # Work around a system header bug with some kernel/XFS header
 # versions where they both try to define 'struct fsxattr':
diff --git a/hw/xen/xen-legacy-backend.c b/hw/xen/xen-legacy-backend.c
index 2335ee2e65..92f08fca29 100644
--- a/hw/xen/xen-legacy-backend.c
+++ b/hw/xen/xen-legacy-backend.c
@@ -23,7 +23,6 @@
  */

 #include "qemu/osdep.h"
-#include <sys/signal.h>

 #include "hw/sysbus.h"
 #include "hw/boards.h"
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index ff7c17b857..f88fe23936 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -104,7 +104,7 @@ extern int daemon(int, int);
 #include <setjmp.h>
 #include <signal.h>

-#ifdef __OpenBSD__
+#ifdef CONFIG_SYS_SIGNAL
 #include <sys/signal.h>
 #endif

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 39ddc77c85..7ad9195c44 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -38,7 +38,6 @@
 #include "qemu/sockets.h"
 #include "qemu/thread.h"
 #include <libgen.h>
-#include <sys/signal.h>
 #include "qemu/cutils.h"

 #ifdef CONFIG_LINUX
-- 
2.26.0