www.nico.schottelius.org/software/gpm/browse_source/gpm-1.20.3pre5/patches/todo/xfree4.patch

Index: doc/doc.gpm
--- doc/doc.gpm.orig	Fri Mar 17 00:10:01 2000
+++ doc/doc.gpm	Fri Mar 17 00:15:51 2000
@@ -398,6 +398,11 @@
         behaviour of @file{selection-1.7}, but it is sometimes confusing.
         The default is not to show the pointer, which can be confusing as well.
 
+@item -P
+        Use a pty as repeater device instead of a fifo, see @samp{-R}.
+	@file{/dev/gpmdata} will be a symbolic link to the pty.
+	XFree86 4.0 seems to need this.
+
 @item -q
         Quit after changing mouse behaviour. This is intended to allow
         users to change the mouse @emph{feeling} (@samp{-a}, @samp{-B}, @samp{-d},
@@ -414,15 +419,17 @@
 
 @item -R @var{name}
         Causes @code{gpm} to act as a repeater: any mouse data received while
-        in graphic mode will be produced on the fifo @file{/dev/gpmdata}
-        in protocol @var{name}.  In principle, you can use the same
+        in graphic mode will be produced on the fifo (or symlink, see the
+	@samp{-P} option) @file{/dev/gpmdata} in protocol @var{name}.
+	In principle, you can use the same
         names as for the @samp{-t} option, although repeating into some
         protocols may not be implemented for a while.  @xref{Mouse Types}.
         In addition, you can specify @samp{raw} as the @var{name}, to repeat
         the mouse data byte by byte, without any protocol translation.
         If @var{name} is omitted, it defaults to @samp{msc}.
         Using @i{gpm} in repeater mode, you can configure the X
-        server to use its fifo as a mouse device. This option is useful for
+        server to use @file{/dev/gpmdata} as a mouse device.
+	This option is useful for
         bus-mouse owners to override the single-open limitation. It is also
         an easy way to manage those stupid dual-mode mice which force you
         to keep the middle button down while changing video mode. The option
Index: gpn.c
--- gpn.c.orig	Thu Mar 16 23:42:00 2000
+++ gpn.c	Fri Mar 17 00:20:19 2000
@@ -45,6 +45,10 @@
 #include <sys/ioctl.h>
 #endif
 
+#ifdef HAVE_PTY_H
+#include <pty.h>
+#endif
+
 #ifndef HAVE___U32
 typedef unsigned int __u32;
 #endif
@@ -315,11 +319,68 @@
     return type;
 }
 
+#ifdef HAVE_OPENPTY
+#include <pty.h>
+
+static int
+find_pty(int* ttyfd, char ttyName[])
+{
+  int master;
+  int ret = openpty(&master, ttyfd, ttyName, 0, 0);
+
+  return (ret == 0 ? master : ret);
+}
+
+#else /* HAVE_OPENPTY */
+
+static const char* major = "pqrstuvwxyzabcde";
+static const char* minor = "0123456789abcdef";
+
+static int
+find_pty(int* ttyfd, char ttyName[])
+{
+  char ptempl[] = "/dev/ptyXX";
+  char ttempl[] = "/dev/ttyXX";
+  int fd = -1;
+  const char* map;
+  const char* mip;
+  
+  for (map = major; *map && fd == -1; map++)
+  {
+    ptempl[8] = *map;
+    ttempl[8] = *map;
+    for (mip = minor; *mip && fd == -1; mip++)
+    {
+      int fd2;
+      ptempl[9] = *mip;
+      ttempl[9] = *mip;
+
+#ifndef O_NOCTTY
+#define O_NOCTTY 0
+#endif
+      if ((fd = open(ptempl, O_RDWR)) != -1 &&
+          (fd2 = open(ttempl, O_RDWR|O_NOCTTY)) != -1)
+      {
+        *ttyfd = fd2;
+        strcpy(ttyName, ttempl);
+      }
+      else
+      {
+        close(fd);
+        fd = -1;
+      }
+    }
+  }
+
+  return fd;
+}
+#endif /* HAVE_OPENPTY */
+
 /*===================================================================*/
 int 
 cmdline(int argc, char **argv)
 {
-  char options[]="a:A::b:B:d:Dg:hi:kl:m:Mo:pqr:R::s:S:t:TvV::23";
+  char options[]="a:A::b:B:d:Dg:hi:kl:m:Mo:pPqr:R::s:S:t:TvV::23";
   int i, opt;
   static struct {char *in; char *out;} seq[] = {
     {"123","01234567"},
@@ -369,6 +430,7 @@
           which_mouse=mouse_table+2; break;
 	case 'o': opt_options = optarg; break;
         case 'p': opt_ptrdrag=0; break;
+        case 'P': opt_ptyrep=1; break;
         case 'q': opt_quit++; gpm_log_daemon = 0; break;
         case 'r':
 	  /* being called responsiveness, I must take the inverse */
@@ -411,10 +473,24 @@
     }
   if (opt_repeater)
     {
-      if (mkfifo(GPM_NODE_FIFO,0666) && errno!=EEXIST)
-        { oops(GPM_NODE_FIFO); }
-      if ((fifofd=open(GPM_NODE_FIFO, O_RDWR|O_NONBLOCK))<0)
-        { oops(GPM_NODE_FIFO); }
+      if (opt_ptyrep)
+	{
+	  char tty_name[32];
+	  int ttyfd;
+
+	  if ((fifofd=find_pty(&ttyfd,tty_name))==-1)
+	    { oops("can't find free pty"); }
+	  unlink(GPM_NODE_FIFO);
+	  if (symlink(tty_name,GPM_NODE_FIFO)==-1)
+	    { oops(GPM_NODE_FIFO); }
+	}
+      else
+	{
+	  if (mkfifo(GPM_NODE_FIFO,0666) && errno!=EEXIST)
+	    { oops(GPM_NODE_FIFO); }
+	  if ((fifofd=open(GPM_NODE_FIFO, O_RDWR|O_NONBLOCK))<0)
+	    { oops(GPM_NODE_FIFO); }
+	}
     }
 
 
Index: configure.in
--- configure.in.orig	Thu Mar 16 23:15:40 2000
+++ configure.in	Thu Mar 16 23:40:33 2000
@@ -64,7 +64,7 @@
         CURSES_OBJS=libcurses.o ; fi ;;
 esac
 
-AC_CHECK_HEADERS(sys/sysmacros.h linux/major.h linux/tty.h)
+AC_CHECK_HEADERS(sys/sysmacros.h linux/major.h linux/tty.h pty.h)
 
 ITZ_CHECK_TYPE(__u32,linux/types.h)
 if test ${itz_cv_type___u32} = yes || test ${ac_cv_type___u32} = yes ; then
@@ -78,7 +78,8 @@
     SHLIB=
 fi
 
-AC_CHECK_FUNCS(vsyslog syslog)
+AC_CHECK_LIB(util, openpty)
+AC_CHECK_FUNCS(openpty vsyslog syslog)
 AC_FUNC_ALLOCA
 
 case $with_curses in
Index: gpmInt.h
--- gpmInt.h.orig	Thu Mar 16 23:47:30 2000
+++ gpmInt.h	Thu Mar 16 23:48:13 2000
@@ -128,6 +128,7 @@
 extern time_t opt_age_limit;
 extern char *opt_special;
 extern int opt_rawrep;
+extern int opt_ptyrep;
 extern int fifofd;
 extern char *consolename; /* the selected one */
 
Index: gpm.c
--- gpm.c.orig	Thu Mar 16 23:48:34 2000
+++ gpm.c	Thu Mar 16 23:49:11 2000
@@ -79,6 +79,7 @@
 int opt_aged = 0;
 char *opt_special=NULL; /* special commands, like reboot or such */
 int opt_rawrep=0;
+int opt_ptyrep=0;
 Gpm_Type *repeated_type=0;
 
 char *consolename = "/dev/tty0";