diff -r --context=3 mxgdb-1.2/Imakefile mxgdb-1.2-linux/Imakefile
*** mxgdb-1.2/Imakefile	Tue Nov  2 00:16:26 1993
--- mxgdb-1.2-linux/Imakefile	Tue May 30 21:26:53 1995
***************
*** 29,34 ****
--- 29,37 ----
  # -DSYSV, -DHAVE_TERMIO. Refer to the README for a description
  # and some tested configurations.
  
+ INCLUDES = -I/usr/include/X11
+ DEFINES = -DSYSV
+ 
  LOCAL_LIBRARIES=-lXm -lXt -lX11
  
  MALLOCC=malloc.c
***************
*** 50,56 ****
  MALLOCO = 
  
  #else
! CCOPTIONS=-DDEBUG -DHAVE_TERMIO -DHAVE_MMAP -Dconst=""
  #endif
  
  # Some installations have specific libs and headers to use with Motif
--- 53,59 ----
  MALLOCO = 
  
  #else
! CCOPTIONS=-DDEBUG -DHAVE_TERMIO -DHAVE_MMAP -Dconst="" $(INCLUDES)
  #endif
  
  # Some installations have specific libs and headers to use with Motif
diff -r --context=3 mxgdb-1.2/callgdb.c mxgdb-1.2-linux/callgdb.c
*** mxgdb-1.2/callgdb.c	Mon Sep 13 18:42:29 1993
--- mxgdb-1.2-linux/callgdb.c	Tue May 30 21:29:28 1995
***************
*** 463,469 ****
--- 463,474 ----
        close(slave);
      close(master);
  
+ #ifdef linux
+     fcntl(1, F_SETFL, O_APPEND);
+ #else
      fcntl(1, F_SETFL, FAPPEND);
+ #endif
+ 
  #ifdef SYSV
      setvbuf (stdout, NULL, _IONBF, 0);
  #else
diff -r --context=3 mxgdb-1.2/signals.c mxgdb-1.2-linux/signals.c
*** mxgdb-1.2/signals.c	Mon Sep 13 18:42:31 1993
--- mxgdb-1.2-linux/signals.c	Tue May 30 21:32:26 1995
***************
*** 92,97 ****
--- 92,106 ----
   */
  void trap_signals()
  {
+ #ifdef linux
+     signal(SIGQUIT, kill_handler);
+     signal(SIGILL,  kill_handler);
+     signal(SIGBUS,  kill_handler);
+     signal(SIGSEGV, kill_handler);
+     signal(SIGTERM, kill_handler);
+     signal(SIGKILL, kill_handler);
+     signal(SIGCHLD, quit_handler);	/* child status has changed */
+ #else
      sigset(SIGQUIT, kill_handler);
      sigset(SIGILL,  kill_handler);
      sigset(SIGBUS,  kill_handler);
***************
*** 99,102 ****
--- 108,112 ----
      sigset(SIGTERM, kill_handler);
      sigset(SIGKILL, kill_handler);
      sigset(SIGCHLD, quit_handler);	/* child status has changed */
+ #endif
  }