Added configure check for libutil.h.

diff --git a/configure b/configure
index 237b8d5..7ea6680 100755
--- a/configure
+++ b/configure
@@ -5204,6 +5204,7 @@
 	elf.h \
 	float.h \
 	libio.h \
+	libutil.h \
 	link.h \
 	linux/cdrom.h \
 	linux/joystick.h \
@@ -5247,17 +5248,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5251: checking for $ac_hdr" >&5
+echo "configure:5252: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5256 "configure"
+#line 5257 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5261: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5262: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5284,12 +5285,12 @@
 done
 
 echo $ac_n "checking whether stat file-mode macros are broken""... $ac_c" 1>&6
-echo "configure:5288: checking whether stat file-mode macros are broken" >&5
+echo "configure:5289: checking whether stat file-mode macros are broken" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stat_broken'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5293 "configure"
+#line 5294 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -5342,12 +5343,12 @@
 
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:5346: checking for working const" >&5
+echo "configure:5347: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5351 "configure"
+#line 5352 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -5396,7 +5397,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5400: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5401: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -5417,21 +5418,21 @@
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:5421: checking for inline" >&5
+echo "configure:5422: checking for inline" >&5
 if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat > conftest.$ac_ext <<EOF
-#line 5428 "configure"
+#line 5429 "configure"
 #include "confdefs.h"
 
 int main() {
 } int $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:5435: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5436: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -5457,12 +5458,12 @@
 esac
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:5461: checking for ANSI C header files" >&5
+echo "configure:5462: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5466 "configure"
+#line 5467 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -5470,7 +5471,7 @@
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5474: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5475: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5487,7 +5488,7 @@
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 5491 "configure"
+#line 5492 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -5505,7 +5506,7 @@
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 5509 "configure"
+#line 5510 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -5526,7 +5527,7 @@
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 5530 "configure"
+#line 5531 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -5537,7 +5538,7 @@
 exit (0); }
 
 EOF
-if { (eval echo configure:5541: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5542: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -5561,12 +5562,12 @@
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:5565: checking for size_t" >&5
+echo "configure:5566: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5570 "configure"
+#line 5571 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -5594,7 +5595,7 @@
 fi
 
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:5598: checking size of long long" >&5
+echo "configure:5599: checking size of long long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5602,7 +5603,7 @@
   ac_cv_sizeof_long_long=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 5606 "configure"
+#line 5607 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -5613,7 +5614,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:5617: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5618: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -5636,12 +5637,12 @@
 if test "$ac_cv_header_linux_joystick_h" = "yes"
 then
    echo $ac_n "checking "whether linux/joystick.h uses the Linux 2.2+ API"""... $ac_c" 1>&6
-echo "configure:5640: checking "whether linux/joystick.h uses the Linux 2.2+ API"" >&5
+echo "configure:5641: checking "whether linux/joystick.h uses the Linux 2.2+ API"" >&5
 if eval "test \"`echo '$''{'wine_cv_linux_joystick_22_api'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5645 "configure"
+#line 5646 "configure"
 #include "confdefs.h"
 
 	#include <sys/ioctl.h>
@@ -5656,7 +5657,7 @@
 /*empty*/
 ; return 0; }
 EOF
-if { (eval echo configure:5660: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5661: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_linux_joystick_22_api=yes
 else
@@ -5683,12 +5684,12 @@
 if test "$ac_cv_header_sys_vfs_h" = "yes"
 then
     echo $ac_n "checking "whether sys/vfs.h defines statfs"""... $ac_c" 1>&6
-echo "configure:5687: checking "whether sys/vfs.h defines statfs"" >&5
+echo "configure:5688: checking "whether sys/vfs.h defines statfs"" >&5
 if eval "test \"`echo '$''{'wine_cv_sys_vfs_has_statfs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5692 "configure"
+#line 5693 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5705,7 +5706,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5709: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5710: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_sys_vfs_has_statfs=yes
 else
@@ -5732,12 +5733,12 @@
 if test "$ac_cv_header_sys_statfs_h" = "yes"
 then
     echo $ac_n "checking "whether sys/statfs.h defines statfs"""... $ac_c" 1>&6
-echo "configure:5736: checking "whether sys/statfs.h defines statfs"" >&5
+echo "configure:5737: checking "whether sys/statfs.h defines statfs"" >&5
 if eval "test \"`echo '$''{'wine_cv_sys_statfs_has_statfs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5741 "configure"
+#line 5742 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5752,7 +5753,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5756: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5757: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_sys_statfs_has_statfs=yes
 else
@@ -5779,12 +5780,12 @@
 if test "$ac_cv_header_sys_mount_h" = "yes"
 then
     echo $ac_n "checking "whether sys/mount.h defines statfs"""... $ac_c" 1>&6
-echo "configure:5783: checking "whether sys/mount.h defines statfs"" >&5
+echo "configure:5784: checking "whether sys/mount.h defines statfs"" >&5
 if eval "test \"`echo '$''{'wine_cv_sys_mount_has_statfs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5788 "configure"
+#line 5789 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5799,7 +5800,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5803: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5804: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_sys_mount_has_statfs=yes
 else
@@ -5825,7 +5826,7 @@
 
 
 echo $ac_n "checking "for statfs.f_bfree"""... $ac_c" 1>&6
-echo "configure:5829: checking "for statfs.f_bfree"" >&5
+echo "configure:5830: checking "for statfs.f_bfree"" >&5
 if eval "test \"`echo '$''{'wine_cv_statfs_bfree'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5834,7 +5835,7 @@
         wine_cv_statfs_bfree=no
     else
     	cat > conftest.$ac_ext <<EOF
-#line 5838 "configure"
+#line 5839 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5861,7 +5862,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5865: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5866: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_statfs_bfree=yes
 else
@@ -5885,7 +5886,7 @@
 fi
 
 echo $ac_n "checking "for statfs.f_bavail"""... $ac_c" 1>&6
-echo "configure:5889: checking "for statfs.f_bavail"" >&5
+echo "configure:5890: checking "for statfs.f_bavail"" >&5
 if eval "test \"`echo '$''{'wine_cv_statfs_bavail'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5894,7 +5895,7 @@
         wine_cv_statfs_bavail=no
     else
     	cat > conftest.$ac_ext <<EOF
-#line 5898 "configure"
+#line 5899 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5921,7 +5922,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5925: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5926: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_statfs_bavail=yes
 else
@@ -5946,12 +5947,12 @@
 
 
 echo $ac_n "checking "for msg_accrights in struct msghdr"""... $ac_c" 1>&6
-echo "configure:5950: checking "for msg_accrights in struct msghdr"" >&5
+echo "configure:5951: checking "for msg_accrights in struct msghdr"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_msg_accrights'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5955 "configure"
+#line 5956 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -5959,7 +5960,7 @@
 struct msghdr hdr; hdr.msg_accrights=0
 ; return 0; }
 EOF
-if { (eval echo configure:5963: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5964: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_msg_accrights="yes"
 else
@@ -5982,12 +5983,12 @@
 
 
 echo $ac_n "checking "for sun_len in struct sockaddr_un"""... $ac_c" 1>&6
-echo "configure:5986: checking "for sun_len in struct sockaddr_un"" >&5
+echo "configure:5987: checking "for sun_len in struct sockaddr_un"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_sun_len'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5991 "configure"
+#line 5992 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -5996,7 +5997,7 @@
 static struct sockaddr_un addr; addr.sun_len = 1
 ; return 0; }
 EOF
-if { (eval echo configure:6000: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6001: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_sun_len="yes"
 else
@@ -6019,12 +6020,12 @@
 
 
 echo $ac_n "checking "whether we need to define __i386__"""... $ac_c" 1>&6
-echo "configure:6023: checking "whether we need to define __i386__"" >&5
+echo "configure:6024: checking "whether we need to define __i386__"" >&5
 if eval "test \"`echo '$''{'ac_cv_cpp_def_i386'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6028 "configure"
+#line 6029 "configure"
 #include "confdefs.h"
 #if (defined(i386) || defined(__i386)) && !defined(__i386__)
 yes
diff --git a/configure.in b/configure.in
index 09aabf5..cc61c9a 100644
--- a/configure.in
+++ b/configure.in
@@ -694,6 +694,7 @@
 	elf.h \
 	float.h \
 	libio.h \
+	libutil.h \
 	link.h \
 	linux/cdrom.h \
 	linux/joystick.h \
diff --git a/include/config.h.in b/include/config.h.in
index c59ee13..eb20fa8 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -293,6 +293,9 @@
 /* Define if you have the <libio.h> header file.  */
 #undef HAVE_LIBIO_H
 
+/* Define if you have the <libutil.h> header file.  */
+#undef HAVE_LIBUTIL_H
+
 /* Define if you have the <link.h> header file.  */
 #undef HAVE_LINK_H
 
diff --git a/misc/port.c b/misc/port.c
index b1bc48b..f4254cd 100644
--- a/misc/port.c
+++ b/misc/port.c
@@ -32,6 +32,9 @@
 #ifdef HAVE_PTY_H
 # include <pty.h>
 #endif
+#ifdef HAVE_LIBUTIL_H
+# include <libutil.h>
+#endif
 
 #include "wine/port.h"