diff -cr gnuplot-2.01.orig/command.c gnuplot-2.01/command.c
*** gnuplot-2.01.orig/command.c	Tue Sep 18 04:56:42 1990
--- gnuplot-2.01/command.c	Mon Mar 18 05:00:32 1991
***************
*** 29,34 ****
--- 29,35 ----
  
  #include <stdio.h>
  #include <math.h>
+ #define fabs(x) (((x) > 0) ? (x) : - (x))
  
  #ifdef MSDOS
  #include <process.h>
***************
*** 286,292 ****
  		}
  	}
  	else if (almost_equals(c_token,"pwd")) {
! #ifdef unix
  /* unix has getwd() */
  	  (void) getwd(sv_file);
  #else
--- 287,293 ----
  		}
  	}
  	else if (almost_equals(c_token,"pwd")) {
! #if defined(unix) && !defined(MINIX)
  /* unix has getwd() */
  	  (void) getwd(sv_file);
  #else
diff -cr gnuplot-2.01.orig/graphics.c gnuplot-2.01/graphics.c
*** gnuplot-2.01.orig/graphics.c	Tue Sep 18 04:57:55 1990
--- gnuplot-2.01/graphics.c	Mon Mar 18 05:00:43 1991
***************
*** 30,35 ****
--- 30,36 ----
  #include <stdio.h>
  #include <math.h>
  #include <assert.h>
+ #define fabs(x) (((x) > 0) ? (x) : - (x))
  #include "plot.h"
  #include "setshow.h"
  
diff -cr gnuplot-2.01.orig/makefile.unx gnuplot-2.01/makefile.unx
*** gnuplot-2.01.orig/makefile.unx	Tue Sep 18 04:56:51 1990
--- gnuplot-2.01/makefile.unx	Mon Mar 18 05:01:01 1991
***************
*** 3,16 ****
  #
  
  # directory where to install executables on 'make install'
! DEST=/usr/local/bin
  # directory for installing man page on 'make man_install'
! MANDEST=/usr/man/manl
  # where to install help file gnuplot.gih
! #HELPDEST=/usr/local/lib/gnuplot.gih
! HELPDEST=docs/gnuplot.gih
  # Where to send email about bugs and comments (locally)
! EMAIL=\"pixar\!bug-gnuplot@sun.com\"
  
  # -DVFORK if you have vfork()
  # -DBCOPY if your memcpy() is called bcopy() (a Berkeleyism, right?)
--- 3,16 ----
  #
  
  # directory where to install executables on 'make install'
! DEST=/usr/gnu/bin
  # directory for installing man page on 'make man_install'
! MANDEST=/usr/gnu/man/manl
  # where to install help file gnuplot.gih
! HELPDEST=/usr/gnu/lib/gnuplot.gih
! #HELPDEST=docs/gnuplot.gih
  # Where to send email about bugs and comments (locally)
! EMAIL=\"jkp\"
  
  # -DVFORK if you have vfork()
  # -DBCOPY if your memcpy() is called bcopy() (a Berkeleyism, right?)
***************
*** 20,31 ****
  # -fswitch if you are compiling on a Sun3 (or even -f68881)
  #    (but -fswitch is buggy on some systems, so watch out)
  # -O if you trust your compiler's optimizer
! CFLAGS = -DVFORK -DBCOPY -DBZERO -DGAMMA #-gx #-O
  
  # -lplot if you have -DUNIXPLOT
  # -lsuntool -lsunwindow -lpixrect  if you have -DSUN
  # -lgl_s if IRIS4D
! LIBS = -lm -lplot
  
  # -D<terminal> in TERMFLAGS iff you wish to support <terminal>
  # see other terminal defines in term.h
--- 20,32 ----
  # -fswitch if you are compiling on a Sun3 (or even -f68881)
  #    (but -fswitch is buggy on some systems, so watch out)
  # -O if you trust your compiler's optimizer
! #CFLAGS = -DVFORK -DBCOPY -DBZERO -DGAMMA #-gx #-O
! CFLAGS = -DBCOPY -DBZERO -O -DMINIX #-gx #-O
  
  # -lplot if you have -DUNIXPLOT
  # -lsuntool -lsunwindow -lpixrect  if you have -DSUN
  # -lgl_s if IRIS4D
! LIBS = -lm #-lplot
  
  # -D<terminal> in TERMFLAGS iff you wish to support <terminal>
  # see other terminal defines in term.h
***************
*** 34,40 ****
  # -DSUN         Sun Microsystems Workstation
  # -DUNIXPLOT    unixplot
  
! TERMFLAGS =  -Iterm -DUNIXPLOT
  
  OBJS = command.o eval.o graphics.o help.o internal.o misc.o parse.o\
      plot.o scanner.o setshow.o standard.o term.o util.o 
--- 35,41 ----
  # -DSUN         Sun Microsystems Workstation
  # -DUNIXPLOT    unixplot
  
! TERMFLAGS =  -Iterm #-DUNIXPLOT
  
  OBJS = command.o eval.o graphics.o help.o internal.o misc.o parse.o\
      plot.o scanner.o setshow.o standard.o term.o util.o 
diff -cr gnuplot-2.01.orig/plot.h gnuplot-2.01/plot.h
*** gnuplot-2.01.orig/plot.h	Mon Mar 26 22:59:10 1990
--- gnuplot-2.01/plot.h	Mon Mar 18 05:08:38 1991
***************
*** 42,47 ****
--- 42,48 ----
  
  #define TRUE 1
  #define FALSE 0
+ #define fabs(x) (((x) > 0) ? (x) : - (x))
  
  
  #define Pi 3.141592653589793
***************
*** 95,101 ****
  #include <float.h>
  #define VERYLARGE FLT_MAX
  #else
! #ifdef vms
  #include <float.h>
  #define VERYLARGE DBL_MAX
  #else
--- 96,102 ----
  #include <float.h>
  #define VERYLARGE FLT_MAX
  #else
! #if defined(vms) || 1
  #include <float.h>
  #define VERYLARGE DBL_MAX
  #else