Merge branch 'sunweaver-pr/drop-support-for-ancient-platforms' into 3.6.x

Attributes GH PR #289: https://github.com/ArcticaProject/nx-libs/pull/289

11 files changed, 20 insertions, 230 deletions

diff --git a/nx-X11/programs/Xserver/os/WaitFor.c b/nx-X11/programs/Xserver/os/WaitFor.c
index 2858637fa..899b1de0b 100644
--- a/nx-X11/programs/Xserver/os/WaitFor.c
+++ b/nx-X11/programs/Xserver/os/WaitFor.c
@@ -91,9 +91,6 @@ SOFTWARE.
 #include <nx-X11/X.h>
 #include "misc.h"
 
-#ifdef __UNIXOS2__
-#define select(n,r,w,x,t) os2PseudoSelect(n,r,w,x,t)
-#endif
 #include "osdep.h"
 #include <nx-X11/Xpoll.h>
 #include "dixstruct.h"
diff --git a/nx-X11/programs/Xserver/os/access.c b/nx-X11/programs/Xserver/os/access.c
index 5735fd556..d3a18efbe 100644
--- a/nx-X11/programs/Xserver/os/access.c
+++ b/nx-X11/programs/Xserver/os/access.c
@@ -76,11 +76,7 @@ SOFTWARE.
 #include <errno.h>
 #include <sys/types.h>
 #ifndef WIN32
-#ifndef Lynx
 #include <sys/socket.h>
-#else
-#include <socket.h>
-#endif
 #include <sys/ioctl.h>
 #include <ctype.h>
 
@@ -95,26 +91,6 @@ SOFTWARE.
 # endif
 #endif
 
-#if defined(DGUX)
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-#include <ctype.h>
-#include <sys/utsname.h>
-#include <sys/stream.h>
-#include <sys/stropts.h>
-#include <sys/param.h>
-#include <sys/sockio.h>
-#endif
-
-
-#if defined(hpux) || defined(QNX4)
-# include <sys/utsname.h>
-# ifdef HAS_IFREQ
-#  include <net/if.h>
-# endif
-#else
 #if defined(SVR4) ||  (defined(SYSV) && defined(i386)) || defined(__GNU__)
 # include <sys/utsname.h>
 #endif
@@ -131,7 +107,6 @@ SOFTWARE.
 #else /*!__GNU__*/
 # include <net/if.h>
 #endif /*__GNU__ */
-#endif /* hpux */
 
 #ifdef SVR4
 #include <sys/sockio.h>
@@ -173,11 +148,7 @@ SOFTWARE.
 #endif /* WIN32 */
 
 #ifndef PATH_MAX
-#ifndef Lynx
 #include <sys/param.h>
-#else
-#include <param.h>
-#endif 
 #ifndef PATH_MAX
 #ifdef MAXPATHLEN
 #define PATH_MAX MAXPATHLEN
@@ -315,7 +286,7 @@ AccessUsingXdmcp (void)
 }
 
 
-#if ((defined(SVR4) && !defined(DGUX) && !defined(SCO325) && !defined(sun) && !defined(NCR)) || defined(ISC)) && !defined(__sgi) && defined(SIOCGIFCONF) && !defined(USE_SIOCGLIFCONF)
+#if ((defined(SVR4) && !defined(SCO325) && !defined(sun) && !defined(NCR)) || defined(ISC)) && defined(SIOCGIFCONF) && !defined(USE_SIOCGLIFCONF)
 
 /* Deal with different SIOCGIFCONF ioctl semantics on these OSs */
 
@@ -364,9 +335,9 @@ ifioctl (int fd, int cmd, char *arg)
 #endif
     return(ret);
 }
-#else /* Case DGUX, sun, SCO325 NCR and others  */
+#else /* Case sun, SCO325 NCR and others  */
 #define ifioctl ioctl
-#endif /* ((SVR4 && !DGUX !sun !SCO325 !NCR) || ISC) && SIOCGIFCONF */
+#endif /* ((SVR4 && !sun !SCO325 !NCR) || ISC) && SIOCGIFCONF */
 
 /*
  * DefineSelf (fd):
@@ -521,7 +492,7 @@ DefineSelf (int fd)
 
 #else /* WINTCP */
 
-#if !defined(SIOCGIFCONF) || (defined (hpux) && ! defined (HAS_IFREQ)) || defined(QNX4)
+#if !defined(SIOCGIFCONF)
 void
 DefineSelf (int fd)
 {
@@ -564,19 +535,11 @@ DefineSelf (int fd)
      * uname() lets me access to the whole string (it smashes release, you
      * see), whereas gethostname() kindly truncates it for me.
      */
-#ifndef QNX4
 #ifndef WIN32
     uname(&name);
 #else
     gethostname(name.nodename, sizeof(name.nodename));
 #endif
-#else
-    /* QNX4's uname returns node number in name.nodename, not the hostname
-       have to overwrite it */
-    char hname[1024];
-    gethostname(hname, 1024);
-    name.nodename = hname;
-#endif
 
     hp = _XGethostbyname(name.nodename, hparams);
     if (hp != NULL)
@@ -685,14 +648,9 @@ DefineLocalHost:
 		      p->ifr_addr.sa_len - sizeof (p->ifr_addr) : 0))
 #define ifraddr_size(a) (a.sa_len)
 #else
-#ifdef QNX4
-#define ifr_size(p) (p->ifr_addr.sa_len + IFNAMSIZ)
-#define ifraddr_size(a) (a.sa_len)
-#else
 #define ifr_size(p) (sizeof (ifr_type))
 #define ifraddr_size(a) (sizeof (a))
 #endif
-#endif
 
 #if defined(DEF_SELF_DEBUG) || (defined(IPv6) && defined(AF_INET6))
 #include <arpa/inet.h>
@@ -1055,7 +1013,7 @@ DefineSelf (int fd)
 	}
     }
 }
-#endif /* hpux && !HAS_IFREQ */
+#endif /* !SIOCGIFCONF */
 #endif /* WINTCP */
 
 #ifdef XDMCP
@@ -1139,9 +1097,6 @@ ResetHosts (char *display)
     if (fnamelen > sizeof(fname))
 	FatalError("Display name `%s' is too long\n", display);
     sprintf(fname, ETC_HOST_PREFIX "%s" ETC_HOST_SUFFIX, display);
-#ifdef __UNIXOS2__
-    strcpy(fname, (char*)__XOS2RedirRoot(fname));
-#endif /* __UNIXOS2__ */
 
     if ((fd = fopen (fname, "r")) != 0)
     {
@@ -1152,10 +1107,6 @@ ResetHosts (char *display)
 	    continue;
     	if ((ptr = strchr(ohostname, '\n')) != 0)
     	    *ptr = 0;
-#ifdef __UNIXOS2__
-    	if ((ptr = strchr(ohostname, '\r')) != 0)
-    	    *ptr = 0;
-#endif
         hostlen = strlen(ohostname) + 1;
         for (i = 0; i < hostlen; i++)
 	    lhostname[i] = tolower(ohostname[i]);
diff --git a/nx-X11/programs/Xserver/os/connection.c b/nx-X11/programs/Xserver/os/connection.c
index 9681ced38..458daab54 100644
--- a/nx-X11/programs/Xserver/os/connection.c
+++ b/nx-X11/programs/Xserver/os/connection.c
@@ -80,42 +80,14 @@ SOFTWARE.
 #include <stdlib.h>
 
 #ifndef WIN32
-#if defined(Lynx)
-#include <socket.h>
-#else
-#include <sys/socket.h>
-#endif
-
-#ifdef hpux
-#include <sys/utsname.h>
-#include <sys/ioctl.h>
-#endif
-
-#if defined(DGUX)
-#include <sys/ioctl.h>
-#include <sys/utsname.h>
 #include <sys/socket.h>
-#include <sys/uio.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <sys/param.h>
-#include <unistd.h>
-#endif
-
-
-#ifdef AIXV3
-#include <sys/ioctl.h>
-#endif
-
-#ifdef __UNIXOS2__
-#define select(n,r,w,x,t) os2PseudoSelect(n,r,w,x,t)
-extern __const__ int _nfiles;
-#endif
 
 #if defined(TCPCONN)
 # include <netinet/in.h>
 # include <arpa/inet.h>
-# if !defined(hpux)
+
+/* FIXME: correct indentation levels after ancient platform support clean-up */
+
 #  ifdef apollo
 #   ifndef NO_TCP_H
 #    include <netinet/tcp.h>
@@ -124,21 +96,12 @@ extern __const__ int _nfiles;
 #   ifdef CSRG_BASED
 #    include <sys/param.h>
 #   endif
-#    ifndef __UNIXOS2__
-#     include <netinet/tcp.h>
-#    endif
+#   include <netinet/tcp.h>
 #  endif
-# endif
 # include <arpa/inet.h>
 #endif
 
-#if !defined(__UNIXOS2__)
-#ifndef Lynx
 #include <sys/uio.h>
-#else
-#include <uio.h>
-#endif
-#endif
 #endif /* WIN32 */
 #include "misc.h"
 #include "osdep.h"
@@ -173,9 +136,6 @@ Bool AnyClientsWriteBlocked;	/* true if some client blocked on write */
 Bool RunFromSmartParent;	/* send SIGUSR1 to parent process */
 Bool PartialNetwork;		/* continue even if unable to bind all addrs */
 static Pid_t ParentProcess;
-#ifdef __UNIXOS2__
-Pid_t GetPPID(Pid_t pid);
-#endif
 
 static Bool debug_conns = FALSE;
 
@@ -314,8 +274,6 @@ InitConnectionLimits(void)
 
 #ifndef __CYGWIN__
 
-#ifndef __UNIXOS2__
-
 #if !defined(XNO_SYSCONF) && defined(_SC_OPEN_MAX)
     lastfdesc = sysconf(_SC_OPEN_MAX) - 1;
 #endif
@@ -330,10 +288,6 @@ InitConnectionLimits(void)
 	lastfdesc = _NFILE - 1;
 #endif
 
-#else /* __UNIXOS2__ */
-    lastfdesc = _nfiles - 1;
-#endif
-
 #endif /* __CYGWIN__ */
 
     /* This is the fallback */
@@ -449,15 +403,6 @@ CreateWellKnownSockets(void)
 	RunFromSmartParent = TRUE;
     OsSignal(SIGUSR1, handler);
     ParentProcess = getppid ();
-#ifdef __UNIXOS2__
-    /*
-     * fg030505: under OS/2, xinit is not the parent process but
-     * the "grant parent" process of the server because execvpe()
-     * presents us an additional process number;
-     * GetPPID(pid) is part of libemxfix
-     */
-    ParentProcess = GetPPID (ParentProcess);
-#endif /* __UNIXOS2__ */
     if (RunFromSmartParent) {
 	if (ParentProcess > 1) {
 	    kill (ParentProcess, SIGUSR1);
diff --git a/nx-X11/programs/Xserver/os/io.c b/nx-X11/programs/Xserver/os/io.c
index d184a981c..3771d40fb 100644
--- a/nx-X11/programs/Xserver/os/io.c
+++ b/nx-X11/programs/Xserver/os/io.c
@@ -70,12 +70,8 @@ SOFTWARE.
 #include <nx-X11/Xtrans/Xtrans.h>
 #include <nx-X11/Xmd.h>
 #include <errno.h>
-#if !defined(__UNIXOS2__) && !defined(WIN32)
-#ifndef Lynx
+#if !defined(WIN32)
 #include <sys/uio.h>
-#else
-#include <uio.h>
-#endif
 #endif
 #include <nx-X11/X.h>
 #include <nx-X11/Xproto.h>
@@ -92,7 +88,6 @@ CallbackListPtr       FlushCallback;
 /* check for both EAGAIN and EWOULDBLOCK, because some supposedly POSIX
  * systems are broken and return EWOULDBLOCK when they should return EAGAIN
  */
-#ifndef __UNIXOS2__
 #ifndef WIN32
 #if defined(EAGAIN) && defined(EWOULDBLOCK)
 #define ETEST(err) (err == EAGAIN || err == EWOULDBLOCK)
@@ -106,9 +101,6 @@ CallbackListPtr       FlushCallback;
 #else /* WIN32 The socket errorcodes differ from the normal errors*/
 #define ETEST(err) (err == EAGAIN || err == WSAEWOULDBLOCK)
 #endif
-#else /* __UNIXOS2__  Writing to full pipes may return ENOSPC */
-#define ETEST(err) (err == EAGAIN || err == EWOULDBLOCK || err == ENOSPC)
-#endif
 
 Bool CriticalOutputPending;
 int timesThisConnection = 0;
diff --git a/nx-X11/programs/Xserver/os/log.c b/nx-X11/programs/Xserver/os/log.c
index e964896d7..d82f545a0 100644
--- a/nx-X11/programs/Xserver/os/log.c
+++ b/nx-X11/programs/Xserver/os/log.c
@@ -214,9 +214,6 @@ LogInit(const char *fname, const char *backup)
 		sprintf(suffix, backup, display);
 		sprintf(oldLog, "%s%s", logFileName, suffix);
 		free(suffix);
-#ifdef __UNIXOS2__
-		remove(oldLog);
-#endif
 		if (rename(logFileName, oldLog) == -1) {
 		    FatalError("Cannot move old log file (\"%s\" to \"%s\"\n",
 			       logFileName, oldLog);
diff --git a/nx-X11/programs/Xserver/os/oscolor.c b/nx-X11/programs/Xserver/os/oscolor.c
index 32f8a4b23..88b243d65 100644
--- a/nx-X11/programs/Xserver/os/oscolor.c
+++ b/nx-X11/programs/Xserver/os/oscolor.c
@@ -397,7 +397,6 @@ OsInitColors(void)
 
   if (!was_here)
     {
-#ifndef __UNIXOS2__
 #ifdef NX_TRANS_SOCKET
       /*
        * Add the trailing '.txt' if a
@@ -418,12 +417,6 @@ OsInitColors(void)
       strcpy(path, rgbPath);
       strcat(path, ".txt");
 #endif
-#else
-      char *tmp = (char*)__XOS2RedirRoot(rgbPath);
-      path = (char*)ALLOCATE_LOCAL(strlen(tmp) +5);
-      strcpy(path, tmp);
-      strcat(path, ".txt");
-#endif
       if (!(rgb = fopen(path, "r")))
         {
 #ifdef NX_TRANS_SOCKET
@@ -438,11 +431,7 @@ OsInitColors(void)
       while(fgets(line, sizeof(line), rgb))
 	{
 	  lineno++;
-#ifndef __UNIXOS2__
 	  if (sscanf(line,"%d %d %d %[^\n]\n", &red, &green, &blue, name) == 4)
-#else
-	  if (sscanf(line,"%d %d %d %[^\n\r]\n", &red, &green, &blue, name) == 4)
-#endif
 	    {
 	      if (red >= 0   && red <= 0xff &&
 		  green >= 0 && green <= 0xff &&
diff --git a/nx-X11/programs/Xserver/os/osdep.h b/nx-X11/programs/Xserver/os/osdep.h
index 9ad267a36..f0e8b707b 100644
--- a/nx-X11/programs/Xserver/os/osdep.h
+++ b/nx-X11/programs/Xserver/os/osdep.h
@@ -61,7 +61,6 @@ SOFTWARE.
 
 #include <X11/Xdmcp.h>
 
-#ifndef sgi	    /* SGI defines OPEN_MAX in a useless way */
 #ifndef X_NOT_POSIX
 #ifdef _POSIX_SOURCE
 #include <limits.h>
@@ -77,11 +76,7 @@ SOFTWARE.
 #undef _POSIX_
 #endif
 #endif /* X_NOT_POSIX */
-#endif
 
-#ifdef __QNX__
-#define NOFILES_MAX 256
-#endif
 #ifndef OPEN_MAX
 #ifdef SVR4
 #define OPEN_MAX 256
@@ -91,7 +86,7 @@ SOFTWARE.
 #if defined(NOFILE) && !defined(NOFILES_MAX)
 #define OPEN_MAX NOFILE
 #else
-#if !defined(__UNIXOS2__) && !defined(WIN32)
+#if !defined(WIN32)
 #define OPEN_MAX NOFILES_MAX
 #else
 #define OPEN_MAX 256
@@ -117,7 +112,7 @@ SOFTWARE.
 /* MAXSELECT is the number of fds that select() can handle */
 #define MAXSELECT (sizeof(fd_set) * NBBY)
 
-#if !defined(hpux) && !defined(SVR4) && !defined(SYSV)
+#if !defined(SVR4) && !defined(SYSV)
 #define HAS_GETDTABLESIZE
 #endif
 
diff --git a/nx-X11/programs/Xserver/os/osinit.c b/nx-X11/programs/Xserver/os/osinit.c
index 5f097f89a..7aa961a56 100644
--- a/nx-X11/programs/Xserver/os/osinit.c
+++ b/nx-X11/programs/Xserver/os/osinit.c
@@ -67,11 +67,11 @@ SOFTWARE.
 #endif
 #endif
 
-#if defined(Lynx) || defined(__SCO__)
+#if defined(__SCO__)
 #include <sys/wait.h>
 #endif
 
-#if !defined(SYSV) && !defined(WIN32) && !defined(Lynx) && !defined(QNX4)
+#if !defined(SYSV) && !defined(WIN32)
 #include <sys/resource.h>
 #endif
 
@@ -133,7 +133,7 @@ OsInit(void)
 		dup2 (fileno (err), 2);
 		fclose (err);
 	    }
-#if defined(SYSV) || defined(SVR4) || defined(__UNIXOS2__) || defined(WIN32) || defined(__CYGWIN__)
+#if defined(SYSV) || defined(SVR4) || defined(WIN32) || defined(__CYGWIN__)
 	    {
 	    static char buf[BUFSIZ];
 	    setvbuf (stderr, buf, _IOLBF, BUFSIZ);
diff --git a/nx-X11/programs/Xserver/os/rpcauth.c b/nx-X11/programs/Xserver/os/rpcauth.c
index 2a6874f4a..678bedf6c 100644
--- a/nx-X11/programs/Xserver/os/rpcauth.c
+++ b/nx-X11/programs/Xserver/os/rpcauth.c
@@ -51,11 +51,6 @@ from The Open Group.
 extern bool_t xdr_opaque_auth(XDR *, struct opaque_auth *);
 #endif
 
-#if defined(DGUX)
-#include <time.h>
-#include <rpc/auth_des.h>
-#endif /* DGUX */
-
 #ifdef ultrix
 #include <time.h>
 #include <rpc/auth_des.h>
diff --git a/nx-X11/programs/Xserver/os/utils.c b/nx-X11/programs/Xserver/os/utils.c
index 9584dadd3..5f7542a2d 100644
--- a/nx-X11/programs/Xserver/os/utils.c
+++ b/nx-X11/programs/Xserver/os/utils.c
@@ -113,7 +113,7 @@ OR PERFORMANCE OF THIS SOFTWARE.
 #ifndef WIN32
 #include <sys/wait.h>
 #endif
-#if !defined(SYSV) && !defined(WIN32) && !defined(Lynx) && !defined(QNX4)
+#if !defined(SYSV) && !defined(WIN32)
 #include <sys/resource.h>
 #endif
 #include <time.h>
@@ -124,11 +124,6 @@ OR PERFORMANCE OF THIS SOFTWARE.
 #include <grp.h>
 #include <pwd.h>
 
-#if defined(DGUX)
-#include <sys/resource.h>
-#include <netdb.h>
-#endif
-
 #include <stdlib.h>	/* for malloc() */
 
 #if defined(TCPCONN)
@@ -264,11 +259,6 @@ int auditTrailLevel = 1;
 
 Bool Must_have_memory = FALSE;
 
-#ifdef AIXV3
-int SyncOn  = 0;
-extern int SelectWaitTime;
-#endif
-
 #if defined(SVR4) || defined(__linux__) || defined(CSRG_BASED)
 #define HAS_SAVED_IDS_AND_SETEUID
 #endif
@@ -279,10 +269,6 @@ long Memory_fail = 0;
 #include <stdlib.h>  /* for random() */
 #endif
 
-#ifdef sgi
-int userdefinedfontpath = 0;
-#endif /* sgi */
-
 char *dev_tty_from_init = NULL;		/* since we need to parse it anyway */
 
 extern char dispatchExceptionAtReset;
@@ -318,28 +304,13 @@ OsSignal(sig, handler)
  * server at a time.  This keeps the servers from stomping on each other
  * if the user forgets to give them different display numbers.
  */
-#ifndef __UNIXOS2__
 #define LOCK_DIR "/tmp"
-#endif
 #define LOCK_TMP_PREFIX "/.tX"
 #define LOCK_PREFIX "/.X"
 #define LOCK_SUFFIX "-lock"
 
-#if defined(DGUX)
-#include <limits.h>
-#include <sys/param.h>
-#endif
-
-#ifdef __UNIXOS2__
-#define link rename
-#endif
-
 #ifndef PATH_MAX
-#ifndef Lynx
 #include <sys/param.h>
-#else
-#include <param.h>
-#endif
 #ifndef PATH_MAX
 #ifdef MAXPATHLEN
 #define PATH_MAX MAXPATHLEN
@@ -372,14 +343,7 @@ LockServer(void)
   /*
    * Path names
    */
-#ifndef __UNIXOS2__
   tmppath = LOCK_DIR;
-#else
-  /* OS/2 uses TMP directory, must also prepare for 8.3 names */
-  tmppath = getenv("TMP");
-  if (!tmppath)
-    FatalError("No TMP dir found\n");
-#endif
 
   sprintf(port, "%d", atoi(display));
   len = strlen(LOCK_PREFIX) > strlen(LOCK_TMP_PREFIX) ? strlen(LOCK_PREFIX) :
@@ -422,13 +386,11 @@ LockServer(void)
   if (write(lfd, pid_str, 11) != 11)
     FatalError("Could not write pid to lock file in %s\n", tmp);
 
-#ifndef __UNIXOS2__
 #ifndef USE_CHMOD
   (void) fchmod(lfd, 0444);
 #else
   (void) chmod(tmp, 0444);
 #endif
-#endif
   (void) close(lfd);
 
   /*
@@ -507,9 +469,6 @@ UnlockServer(void)
 
   if (!StillLocking){
 
-#ifdef __UNIXOS2__
-  (void) chmod(LockFile,S_IREAD|S_IWRITE);
-#endif /* __UNIXOS2__ */
   (void) unlink(LockFile);
   }
 }
@@ -593,7 +552,6 @@ AdjustWaitForDelay (void * waitTime, unsigned long newdelay)
 
 void UseMsg(void)
 {
-#if !defined(AIXrt) && !defined(AIX386)
     ErrorF("use: X [:<display>] [option]\n");
     ErrorF("-a #                   mouse acceleration (pixels)\n");
     ErrorF("-ac                    disable access control restrictions\n");
@@ -686,7 +644,6 @@ void UseMsg(void)
 #ifdef XDMCP
     XdmcpUseMsg();
 #endif
-#endif /* !AIXrt && ! AIX386 */
 #ifdef XKB
     XkbUseMsg();
 #endif
@@ -870,9 +827,6 @@ ProcessCommandLine(int argc, char *argv[])
 	{
 	    if(++i < argc)
 	    {
-#ifdef sgi
-		userdefinedfontpath = 1;
-#endif /* sgi */
 	        defaultFontPath = argv[i];
 	    }
 	    else
@@ -928,7 +882,7 @@ ProcessCommandLine(int argc, char *argv[])
 #ifdef SERVER_LOCK
 	else if ( strcmp ( argv[i], "-nolock") == 0)
 	{
-#if !defined(WIN32) && !defined(__UNIXOS2__) && !defined(__CYGWIN__)
+#if !defined(WIN32) && !defined(__CYGWIN__)
 	  if (getuid() != 0)
 	    ErrorF("Warning: the -nolock option can only be used by root\n");
 	  else
@@ -1084,19 +1038,6 @@ ProcessCommandLine(int argc, char *argv[])
 	    i = skip - 1;
 	}
 #endif
-#ifdef AIXV3
-        else if ( strcmp( argv[i], "-timeout") == 0)
-        {
-            if(++i < argc)
-                SelectWaitTime = atoi(argv[i]);
-            else
-                UseMsg();
-        }
-        else if ( strcmp( argv[i], "-sync") == 0)
-        {
-            SyncOn++;
-        }
-#endif
 #ifdef SMART_SCHEDULE
 	else if ( strcmp( argv[i], "-dumbSched") == 0)
 	{
@@ -1260,7 +1201,7 @@ ExpandCommandLine(int *pargc, char ***pargv)
 {
     int i;
 
-#if !defined(WIN32) && !defined(__UNIXOS2__) && !defined(__CYGWIN__)
+#if !defined(WIN32) && !defined(__CYGWIN__)
     if (getuid() != geteuid())
 	return;
 #endif
@@ -1609,7 +1550,7 @@ OsReleaseSignals (void)
 #endif
 }
 
-#if !defined(WIN32) && !defined(__UNIXOS2__)
+#if !defined(WIN32)
 /*
  * "safer" versions of system(3), popen(3) and pclose(3) which give up
  * all privs before running a command.
@@ -1964,7 +1905,7 @@ Fclose(void * iop)
 #endif
 }
 
-#endif /* !WIN32 && !__UNIXOS2__ */
+#endif /* !WIN32 */
 
 
 /*
@@ -2059,9 +2000,6 @@ CheckUserParameters(int argc, char **argv, char **envp)
     enum BadCode bad = NotBad;
     int i = 0, j;
     char *a, *e = NULL;
-#if defined(__QNX__) && !defined(__QNXNTO__)
-    char cmd_name[64];
-#endif
 
 #if CHECK_EUID
     if (geteuid() == 0 && getuid() != geteuid())
diff --git a/nx-X11/programs/Xserver/os/xdmcp.c b/nx-X11/programs/Xserver/os/xdmcp.c
index 5daf1cbbf..83e234b43 100644
--- a/nx-X11/programs/Xserver/os/xdmcp.c
+++ b/nx-X11/programs/Xserver/os/xdmcp.c
@@ -28,12 +28,8 @@
 #include <nx-X11/Xos.h>
 
 #if !defined(WIN32)
-#ifndef Lynx
 #include <sys/param.h>
 #include <sys/socket.h>
-#else
-#include <socket.h>
-#endif
 #include <netinet/in.h>
 #include <netdb.h>
 #endif
@@ -49,11 +45,6 @@
 #include "dixstruct.h"
 #include "opaque.h"
 
-#if defined(DGUX)
-#include <net/net_ioctl.h>
-#include <sys/ioctl.h>
-#endif
-
 
 #ifndef NX_TRANS_SOCKET