Linux compile patch

This patch is also found in the xv 3.10a rollup 2001-05-12 patch.
If you applied the xv 3.10a rollup 2001-05-12 patch you do NOT need to apply
this patch.  For details on the xv 3.10a rollup 2001-05-12 patch see:

    http://www.isthe.com/chongo/src/xv-patch/index.html

This patch also duplicates the Linux user's Makefile patch:

    http://www.isthe.com/chongo/src/xv-patch/Linux-Makefile.patch

=-=

Disclaimers

This patch is being distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE.  This patch is in the public
domain and is NOT copyrighted. That is, use this patch at your own risk.

I do NOT maintain xv. Please do NOT send me xv bug reports. Send xv bug
reports (and fixes) to the xv tech EMail address:

	http://www.trilon.com/xv/index.html#email

I did NOT write xv. You are welcome to ``Share and Enjoy'' xv and send
$25 to John Bradley. :-)

chongo (http://www.isthe.com/chongo/index.html) /\oo/\

=-=

*** xv.h.init	Sat May 12 16:01:23 2001
--- xv.h	Sat May 12 16:01:23 2001
***************
*** 62,71 ****
  #endif
  
  
! #ifdef LINUX
  #  ifndef _LINUX_LIMITS_H
  #    include <linux/limits.h>
  #  endif
  #endif
  
  
--- 62,73 ----
  #endif
  
  
! #if defined(__linux__)
  #  ifndef _LINUX_LIMITS_H
  #    include <linux/limits.h>
  #  endif
+ #  define USLEEP
+ #  define BSDTYPES
  #endif
  
  
***************
*** 308,314 ****
  
  #ifndef VMS       /* VMS hates multi-line definitions */
  #  if defined(SVR4)  || defined(SYSV) || defined(sco) || \
!       defined(XENIX) || defined(__osf__) 
  #    undef  USE_GETCWD
  #    define USE_GETCWD          /* use 'getcwd()' instead of 'getwd()' */
  #  endif
--- 310,316 ----
  
  #ifndef VMS       /* VMS hates multi-line definitions */
  #  if defined(SVR4)  || defined(SYSV) || defined(sco) || \
!       defined(XENIX) || defined(__osf__)  || defined(__linux__)
  #    undef  USE_GETCWD
  #    define USE_GETCWD          /* use 'getcwd()' instead of 'getwd()' */
  #  endif
*** Makefile.init	Sat May 12 13:19:43 2001
--- Makefile	Sat May 12 13:20:08 2001
***************
*** 1,8 ****
  # Makefile for xv
  
  # your C compiler (and options) of choice
! CC = cc
! # CC = gcc -ansi
  
  # use this if you're using 'cc' on a DEC Alpha (OSF/1) or MIPS (Ultrix) system:
  # CC = cc -std1 -Olimit 750
--- 1,8 ----
  # Makefile for xv
  
  # your C compiler (and options) of choice
! # CC = cc
! CC = gcc -ansi
  
  # use this if you're using 'cc' on a DEC Alpha (OSF/1) or MIPS (Ultrix) system:
  # CC = cc -std1 -Olimit 750