Compatibility improvements for QNX.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@35451 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,24 @@
+2012-08-26  Niels Grewe <niels.grewe@halbordnung.de>
+
+	*  configure.ac: Check for sys/filio.h and whether we need to
+	link libsocket (as on QNX).
+	*  configure
+	*  SSL/configure
+	*  Headers/GNUstepBase/config.h.in:
+	Regenerate.
+	*  Source/common.h
+	*  Source/GSFileHandle.m
+	*  Source/NSMessagePort.m
+	*  Source/NSSocketPort.m
+	*  Source/NSThread.m
+	*  SSL/GSSSLHandle.m:
+	QNX compatibility tweaks.
+	*  Tools/gdnc.m
+	*  Tools/gdomap.c:
+	Use slog facility for logging on QNX.
+
+	Compatibility improvements for building for QNX.
+
 2012-08-26  Niels Grewe <niels.grewe@halbordnung.de>
 
 	* configure.ac: Check for QNX slog facilities.

Headers/GNUstepBase/config.h.in

@@ -247,6 +247,9 @@
 /* Define to 1 if you have the `gethostbyaddr_r' function. */
 #undef HAVE_GETHOSTBYADDR_R
 
+/* Define to 1 if you have the `gethostbyname' function. */
+#undef HAVE_GETHOSTBYNAME
+
 /* Define to 1 if you have the `getlogin' function. */
 #undef HAVE_GETLOGIN
 
@@ -337,6 +340,9 @@
 /* Define to 1 if you have the `rt' library (-lrt). */
 #undef HAVE_LIBRT
 
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#undef HAVE_LIBSOCKET
+
 /* Define if libxml available */
 #undef HAVE_LIBXML
 
@@ -539,6 +545,9 @@
 /* Define to 1 if you have the <sys/file.h> header file. */
 #undef HAVE_SYS_FILE_H
 
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#undef HAVE_SYS_FILIO_H
+
 /* Define to 1 if you have the <sys/inttypes.h> header file. */
 #undef HAVE_SYS_INTTYPES_H
 

SSL/GSSSLHandle.m

@@ -95,8 +95,10 @@
 
 #include <sys/ioctl.h>
 #ifdef	__svr4__
+#ifdef HAVE_SYS_FILIO_H
 #include <sys/filio.h>
 #endif
+#endif
 #include <netdb.h>
 #include <string.h>
 
@@ -130,30 +132,30 @@ sslError(int err)
 static NSLock	**locks = 0;
 
 static void
-locking_function(int mode, int n, const char *file, int line) 
+locking_function(int mode, int n, const char *file, int line)
-{ 
+{
   if (mode & CRYPTO_LOCK)
-    { 
+    {
       [locks[n] lock];
     }
   else
-    { 
+    {
       [locks[n] unlock];
-    } 
+    }
-} 
+}
 
 #if	defined(HAVE_CRYPTO_THREADID_SET_CALLBACK)
 static void
-threadid_function(CRYPTO_THREADID *ref) 
+threadid_function(CRYPTO_THREADID *ref)
-{ 
+{
   CRYPTO_THREADID_set_pointer(ref, GSCurrentThread());
-} 
+}
 #else
 static unsigned long
-threadid_function() 
+threadid_function()
-{ 
+{
   return (unsigned long) GSCurrentThread();
-} 
+}
 #endif
 
 
@@ -200,11 +202,11 @@ static NSString	*cipherList = nil;
 	{
 	  locks[count] = [NSLock new];
 	}
-      CRYPTO_set_locking_callback(locking_function); 
+      CRYPTO_set_locking_callback(locking_function);
 #if	defined(HAVE_CRYPTO_THREADID_SET_CALLBACK)
-      CRYPTO_THREADID_set_callback(threadid_function); 
+      CRYPTO_THREADID_set_callback(threadid_function);
 #else
-      CRYPTO_set_id_callback(threadid_function); 
+      CRYPTO_set_id_callback(threadid_function);
 #endif
 
       /*

Source/GSFileHandle.m

@@ -66,7 +66,9 @@
 
 #include <sys/ioctl.h>
 #ifdef	__svr4__
-#include <sys/filio.h>
+#  ifdef HAVE_SYS_FILIO_H
+#    include <sys/filio.h>
+#  endif
 #endif
 #include <netdb.h>
 
@@ -75,7 +77,7 @@
 /*
  *	Stuff for setting the sockets into non-blocking mode.
  */
-#ifdef	__POSIX_SOURCE
+#if defined(__POSIX_SOURCE) || defined(__EXT_POSIX1_198808)
 #define NBLK_OPT     O_NONBLOCK
 #else
 #define NBLK_OPT     FNDELAY
@@ -773,7 +775,7 @@ NSString * const GSSOCKSRecvAddr = @"GSSOCKSRecvAddr";
 	      return nil;
 	    }
 	}
-	
+
       info = [[NSMutableDictionary alloc] initWithCapacity: 4];
       [info setObject: address forKey: NSFileHandleNotificationDataItem];
       if (shost == nil)

Source/NSMessagePort.m

@@ -77,7 +77,7 @@
 /*
  *	Stuff for setting the sockets into non-blocking mode.
  */
-#ifdef	__POSIX_SOURCE
+#if defined(__POSIX_SOURCE) || defined(__EXT_POSIX1_198808)
 #define NBLK_OPT     O_NONBLOCK
 #else
 #define NBLK_OPT     FNDELAY
@@ -93,7 +93,9 @@
 #endif
 
 #if	defined(__svr4__)
-#include <sys/stropts.h>
+#  if defined(HAVE_SYS_STROPTS)
+#    include <sys/stropts.h>
+#  endif
 #endif
 
 @interface NSProcessInfo (private)

Source/NSSocketPort.m

@@ -84,7 +84,7 @@
 /*
  *	Stuff for setting the sockets into non-blocking mode.
  */
-#ifdef	__POSIX_SOURCE
+#if defined(__POSIX_SOURCE) || defined(__EXT_POSIX1_198808)
 #define NBLK_OPT     O_NONBLOCK
 #else
 #define NBLK_OPT     FNDELAY
@@ -100,7 +100,9 @@
 #endif
 
 #if	defined(__svr4__)
-#include <sys/stropts.h>
+#  if defined(HAVE_SYS_STROPTS_H)
+#    include <sys/stropts.h>
+#  endif
 #endif
 
 #define	SOCKET	int
@@ -429,7 +431,7 @@ static Class	runLoopClass;
     }
   rc = WSAEventSelect(handle->desc, ev, FD_ALL_EVENTS);
   NSAssert(rc == 0, @"WSAEventSelect failed!");
-  
+
   handle->event = ev;
   handle->inReplyMode = NO;
   handle->readyToSend = YES;
@@ -1131,7 +1133,7 @@ static Class	runLoopClass;
       int		res;
       unsigned	l;
       const void	*b;
-      
+
       if (wData == nil)
         {
           if ([wMsgs count] > 0)
@@ -1310,7 +1312,7 @@ static Class	runLoopClass;
   if (ocurredEvents.lNetworkEvents)
     {
       NSLog(@"Event not get %d", ocurredEvents.lNetworkEvents);
-      abort();      
+      abort();
     }
 #else
   if (type != ET_WDESC)
@@ -1388,7 +1390,7 @@ static Class	runLoopClass;
         }
 #else
       [l runMode: NSConnectionReplyMode beforeDate: when];
-#endif  
+#endif
       M_LOCK(myLock);
     }
 
@@ -1660,7 +1662,7 @@ static Class		tcpPortClass;
 	       * we did the 'bind' call.
 	       */
 	      port->listener = desc;
-	      port->portNum = GSPrivateSockaddrPort(&sockaddr); 
+	      port->portNum = GSPrivateSockaddrPort(&sockaddr);
 #if	defined(__MINGW__)
               port->eventListener = (WSAEVENT)CreateEvent(NULL,NO,NO,NULL);
               if (port->eventListener == WSA_INVALID_EVENT)
@@ -1833,7 +1835,7 @@ static Class		tcpPortClass;
   recvSelf = GS_GC_HIDE(self);
   me = NSEnumerateMapTable(events);
   while (NSNextMapEnumeratorPair(&me, &event, (void**)&fd))
-    { 
+    {
       handle = (GSTcpHandle*)NSMapGet(handles, (void*)(uintptr_t)fd);
       if (handle->recvPort == recvSelf
         && handle->inReplyMode == NO
@@ -2053,7 +2055,7 @@ static Class		tcpPortClass;
 	      listener = -1;
 #if	defined(__MINGW__)
 	      WSACloseEvent(eventListener);
-	      eventListener = WSA_INVALID_EVENT;                   
+	      eventListener = WSA_INVALID_EVENT;
 #endif
 	    }
 

Source/NSThread.m

@@ -56,7 +56,7 @@
 #  include <fcntl.h>
 #endif
 
-#ifdef	__POSIX_SOURCE
+#if defined(__POSIX_SOURCE) || defined(__EXT_POSIX1_198808)
 #define NBLK_OPT     O_NONBLOCK
 #else
 #define NBLK_OPT     FNDELAY
@@ -462,7 +462,7 @@ unregisterActiveThread(NSThread *thread)
 
       [(GSRunLoopThreadInfo*)thread->_runLoopInfo invalidate];
       [thread  release];
-	  
+
       [[NSGarbageCollector defaultCollector] enableCollectorForPointer: thread];
       pthread_setspecific(thread_object_key, nil);
     }
@@ -574,7 +574,7 @@ unregisterActiveThread(NSThread *thread)
 /**
  * Set the priority of the current thread.  This is a value in the
  * range 0.0 (lowest) to 1.0 (highest) which is mapped to the underlying
- * system priorities.  
+ * system priorities.
  */
 + (void) setThreadPriority: (double)pri
 {
@@ -980,7 +980,7 @@ static void *nsthreadLauncher(void* thread)
       [NSException raise: NSInternalInconsistencyException
         format: @"Failed to create pipe to handle perform in thread"];
     }
-#endif  
+#endif
   lock = [NSLock new];
   performers = [NSMutableArray new];
   return self;

Source/common.h

@@ -17,15 +17,15 @@
  */
 /* This hack work around for glibc breaks FreeBSD and probably other platforms.
  */
-#if defined(__linux__) &&!defined(__GNU__)
+#if (defined(__linux__) &&!defined(__GNU__)) || defined(__QNXNTO__)
-#if	defined(_XOPEN_SOURCE)
+#  if	defined(_XOPEN_SOURCE)
-#if	_XOPEN_SOURCE < 600
+#    if	_XOPEN_SOURCE < 600
-#undef	_XOPEN_SOURCE
+#      undef	_XOPEN_SOURCE
-#define	_XOPEN_SOURCE 600
+#      define	_XOPEN_SOURCE 600
-#endif
+#    endif
-#else
+#  else
-#define	_XOPEN_SOURCE 600
+#     define	_XOPEN_SOURCE 600
-#endif
+#  endif
 #endif
 
 #import	"config.h"

Tools/gdnc.m

@@ -69,8 +69,17 @@ static BOOL	debugging = NO;
 static BOOL	is_daemon = NO;		/* Currently running as daemon.	 */
 static BOOL	auto_stop = NO;		/* Should we shut down when unused? */
 
-#ifdef HAVE_SYSLOG
+#if defined(HAVE_SYSLOG) || defined(HAVE_SLOGF)
-
+#  if defined(HAVE_SLOGF)
+#    include <sys/slogcodes.h>
+#    include <sys/slog.h>
+#    define LOG_CRIT _SLOG_CRITICAL
+#    define LOG_DEBUG _SLOG_DEBUG1
+#    define LOG_ERR _SLOG_ERROR
+#    define LOG_INFO _SLOG_INFO
+#    define LOG_WARNING _SLOG_WARNING
+#    define syslog(prio, msg,...) slogf(_SLOG_SETCODE(_SLOG_SYSLOG, 0), prio, msg, __VA_ARGS__)
+#  endif
 static int	log_priority = LOG_DEBUG;
 
 static void
@@ -78,7 +87,12 @@ gdnc_log (int prio, const char *ebuf)
 {
   if (is_daemon)
     {
+#   if defined(HAVE_SLOGF)
+	  // Let's not have 0 as the value for prio. It means "shutdown" on QNX
+      syslog (prio ? prio : log_priority, "%s", ebuf);
+#   else
       syslog (log_priority | prio, "%s", ebuf);
+#   endif
     }
   else if (prio == LOG_INFO)
     {
@@ -95,7 +109,7 @@ gdnc_log (int prio, const char *ebuf)
     {
       if (is_daemon)
 	{
-	  syslog (LOG_CRIT, "exiting.");
+	  syslog (LOG_CRIT, "%s", "exiting.");
 	}
       else
      	{
@@ -105,6 +119,7 @@ gdnc_log (int prio, const char *ebuf)
       exit(EXIT_FAILURE);
     }
 }
+
 #else
 
 #define	LOG_CRIT	2

Tools/gdomap.c

@@ -79,7 +79,7 @@
 /*
  *	Stuff for setting the sockets into non-blocking mode.
  */
-#if	defined(__POSIX_SOURCE)
+#if	defined(__POSIX_SOURCE) || defined(__EXT_POSIX1_198808)
 #define NBLK_OPT     O_NONBLOCK
 #else
 #define NBLK_OPT     FNDELAY
@@ -95,13 +95,20 @@
 #endif
 
 #if	defined(__svr4__)
+#if defined(HAVE_SYS_STROPTS_H)
 #include <sys/stropts.h>
 #endif
+#endif
 #endif /* !__MINGW__ */
 
 
 #if	defined(HAVE_SYSLOG_H)
 #include <syslog.h>
+#elif   defined(HAVE_SYS_SLOG_H)
+#  include <sys/slog.h>
+#  if 	defined(HAVE_SYS_SLOGCODES_H)
+#    include <sys/slogcodes.h>
+#  endif
 #endif
 
 #if	HAVE_STRERROR
@@ -277,7 +284,15 @@ getopt(int argc, char **argv, char *options)
 static char	ebuf[2048];
 
 
-#if	defined(HAVE_SYSLOG)
+#if	defined(HAVE_SYSLOG) || defined(HAVE_SLOGF)
+#  if defined(HAVE_SLOGF)
+#    define LOG_CRIT _SLOG_CRITICAL
+#    define LOG_DEBUG _SLOG_DEBUG1
+#    define LOG_ERR _SLOG_ERROR
+#    define LOG_INFO _SLOG_INFO
+#    define LOG_WARNING _SLOG_WARNING
+#    define syslog(prio, msg,...) slogf(_SLOG_SETCODE(_SLOG_SYSLOG, 0), prio, msg, __VA_ARGS__)
+#  endif
 
 static int	log_priority;
 
@@ -295,7 +310,12 @@ gdomap_log (int prio)
     }
   if (is_daemon)
     {
+#if   defined(HAVE_SLOGF)
+      // QNX doesn't like 0 as the prio. It means "shutdown" to them.
+      syslog (prio ? log_priority : prio, "%s", ebuf);
+#     else
       syslog (log_priority | prio, "%s", ebuf);
+#endif
     }
   else if (prio == LOG_INFO)
     {
@@ -312,7 +332,7 @@ gdomap_log (int prio)
     {
       if (is_daemon)
 	{
-	  syslog (LOG_CRIT, "exiting.");
+	  syslog (LOG_CRIT, "%s", "exiting.");
 	}
       else
      	{
@@ -1254,7 +1274,8 @@ init_iface()
       perror("socket for init_iface");
       exit(EXIT_FAILURE);
     }
-#if	defined(__svr4__)
+// QNX seems to disagree about what it means to be SysV r4.
+#if	defined(__svr4__) && !defined(__QNXNTO__)
     {
       struct strioctl	ioc;
 
@@ -1320,7 +1341,7 @@ init_iface()
     {
       ifreq = *(struct ifreq*)ifr_ptr;
 #if	defined(HAVE_SA_LEN)
-      ifr_ptr += sizeof(ifreq) - sizeof(ifreq.ifr_addr) 
+      ifr_ptr += sizeof(ifreq) - sizeof(ifreq.ifr_addr)
 	+ ROUND(ifreq.ifr_addr.sa_len, sizeof(struct ifreq*));
 #else
       ifr_ptr += sizeof(ifreq);
@@ -3296,7 +3317,7 @@ handle_send()
     {
       int	r;
 
-      r = sendto(udp_desc, (const char *)&entry->dat[entry->pos], 
+      r = sendto(udp_desc, (const char *)&entry->dat[entry->pos],
       entry->len - entry->pos, 0, (void*)&entry->addr, sizeof(entry->addr));
       /*
        *	'r' is the number of bytes sent. This should be the number
@@ -3956,7 +3977,7 @@ nameServer(const char* name, const char* host, int op, int ptype, struct sockadd
   if (multi || host == 0 || *host == '\0')
     {
       local_hostname = xgethostname();
-      if (!local_hostname) 
+      if (!local_hostname)
 	{
 	  snprintf(ebuf, sizeof(ebuf),
 	    "gethostname() failed: %s", strerror(errno));
@@ -4156,7 +4177,7 @@ donames(const char *host)
        */
 
       local_hostname = xgethostname();
-      if (!local_hostname) 
+      if (!local_hostname)
 	{
 	  snprintf(ebuf, sizeof(ebuf),
 	    "gethostname() failed: %s", strerror(errno));
@@ -4291,7 +4312,7 @@ static void do_help(int argc, char **argv, char *options)
 	}
       if (i == argc)
 	{
-	  return;	// --help not found ... 
+	  return;	// --help not found ...
 	}
     }
   printf("%s -[%s]\n", argv[0], options);
@@ -4428,7 +4449,7 @@ main(int argc, char** argv)
 #if	defined(SYSLOG_4_2)
   openlog ("gdomap", LOG_NDELAY);
   log_priority = LOG_DAEMON;
-#else
+#elif !defined(HAVE_SLOGF)
   openlog ("gdomap", LOG_NDELAY, LOG_DAEMON);
 #endif
 #endif
@@ -5082,7 +5103,7 @@ queue_probe(struct in_addr* to, struct in_addr* from, int l, struct in_addr* e,
 }
 
 /* Copyright (c) 2001 Neal H Walfield <neal@cs.uml.edu>.
-   
+
    This file is placed into the public domain.  Its distribution
    is unlimited.
 
@@ -5165,7 +5186,7 @@ xgethostname (void)
 	  errno = ENOMEM;
 	  return NULL;
 	}
-      
+
       err = gethostname (buf, size);
     }
 

configure

@@ -11968,6 +11968,207 @@ fi
 done
 
 
+
+for ac_func in gethostbyname
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_var=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_var'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+if test "$ac_cv_func_gethostbyname" = "no"; then
+  # QNX has gethostbyname and friends in libsocket
+
+{ echo "$as_me:$LINENO: checking for gethostbyname in -lsocket" >&5
+echo $ECHO_N "checking for gethostbyname in -lsocket... $ECHO_C" >&6; }
+if test "${ac_cv_lib_socket_gethostbyname+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsocket  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char gethostbyname ();
+int
+main ()
+{
+return gethostbyname ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_socket_gethostbyname=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_socket_gethostbyname=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_socket_gethostbyname" >&5
+echo "${ECHO_T}$ac_cv_lib_socket_gethostbyname" >&6; }
+if test $ac_cv_lib_socket_gethostbyname = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBSOCKET 1
+_ACEOF
+
+  LIBS="-lsocket $LIBS"
+
+fi
+
+fi
+
 #--------------------------------------------------------------------
 # Check for pthread.h
 #--------------------------------------------------------------------
@@ -21506,7 +21707,8 @@ _ACEOF
 
 
 
-for ac_header in 	fcntl.h 	inttypes.h 	libc.h 	limits.h 	malloc.h 	memory.h 	signal.h 	stdint.h 	string.h 	sys/fcntl.h 	sys/file.h 	sys/inttypes.h 	sys/ioctl.h 	sys/signal.h 	sys/stropts.h 	sys/wait.h 	unistd.h 	utime.h         stdlib.h
+
+for ac_header in 	fcntl.h 	inttypes.h 	libc.h 	limits.h 	malloc.h 	memory.h 	signal.h 	stdint.h 	string.h 	sys/fcntl.h 	sys/file.h 	sys/filio.h 	sys/inttypes.h 	sys/ioctl.h 	sys/signal.h 	sys/stropts.h 	sys/wait.h 	unistd.h 	utime.h         stdlib.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then

configure.ac

@@ -1625,6 +1625,12 @@ OBJC_SYS_DYNAMIC_LINKER()
 # NOTE: libdl should be in LIBS now if it's available.
 AC_CHECK_FUNCS(dladdr)
 
+AC_CHECK_FUNCS(gethostbyname)
+if test "$ac_cv_func_gethostbyname" = "no"; then
+  # QNX has gethostbyname and friends in libsocket
+  AC_CHECK_LIB(socket, gethostbyname)
+fi
+
 #--------------------------------------------------------------------
 # Check for pthread.h 
 #--------------------------------------------------------------------
@@ -2239,6 +2245,7 @@ AC_CHECK_HEADERS(dnl
 	string.h dnl
 	sys/fcntl.h dnl
 	sys/file.h dnl
+	sys/filio.h dnl
 	sys/inttypes.h dnl
 	sys/ioctl.h dnl
 	sys/signal.h dnl