By: Kurt Wall

Tested on: Slackware 8.1, with XFree86 4.2.99 from CVS

XV, John Bradley's shareware graphics viewer, is distributed with most Linux distributions (Red Hat © is a notable exception -- it isn't free enough for them). However, it can be a bit of a challenge to build and install from scratch. Here's how I did it here at KurtWerks. As usual, your mileage may vary and if it breaks, you get to keep both pieces.

1. Unpack the archive :

   $ gzip -cd xv-3.10a.tar.gz | tar -xf -
   $ cd xv-3.10a
   

2. Apply the patches:

   $ patch -p0 < ../grabpatch
   patching file xvgrab.c
   $ patch -p0 < ../mp-tiff-patch
   patching file ./xv.c
   patching file ./xv.h
   patching file ./xvmisc.c
   patching file ./xvtiff.c
   $ patch -p0 < ../xpm.patch
   patching file xvdir.c
   $ patch -p0 < ../deepcolor.patch
   patching file xvimage.c
   $ patch -p0 < ../gifpatch
   patching file xvgif.c
   $ patch -p0 < ../exceed_grab.patch
   patching file xvgrab.c
   patching file xvxwd.c
   $ patch -p0 < ../tiff1200.patch
   patching file xvtiffwr.c
   $ patch -p0 < ../gssafer.patch
   patching file xvps.c
   
   

3. Edit config.h:
   1. Change the following line:

      #undef USE_GUNZIP 
      

      to look like the following:

      #define USE_GUNZIP
      

   2. Change the following line:

      #    define GUNZIP "/usr/local/bin/gunzip -q"
      

      to look like the follwoing:

            
      #    define GUNZIP "/bin/gunzip -q"
      

      or wherever your gunzip binary lives, as reported by which gunzip.
   3. Change the following line:

      /* #define GS_PATH "/usr/local/bin/gs" */
      

      to look like the following:

      #define GS_PATH "/usr/bin/gs"
      

      or wherever your gs binary lives, as reported by which gs.
4. Edit Makefile:
   1. Modify the CC line to reflect your preferences, if you wish. On my PIII 800, I use:

      CC = gcc -march=i686 -mcpu=i686
      

      On my Athlon Thunderbird, I use:

      CC = gcc -march=athlon -mcpu=athlon
      

   2. Modify the CCOPTS line to reflect your preferences for optimization. The default is fine, but I use:

      CCOPTS = -O3
      

5. Change the installation locations to suit your preferences. The defaults (listed below) work just fine for me:

   ### Installation locations
   BINDIR = /usr/local/bin
   MANDIR = /usr/local/man/man1
   MANSUF = 1
   LIBDIR = /usr/local/lib
   

6. Uncomment the following line:

   #MCHN = -DLINUX
   

   And add the text "-L/usr/X11R6/lib". After your changes, it should look like:

   MCHN = -DLINUX -L/usr/X11R6/lib
   

7. Edit xv.h. Go to line 115. Delete lines 118-120. Before the edit, you have the following:

   #ifndef VMS
   #  include 
      extern int   errno;         /* SHOULD be in errno.h, but often isn't */
   #  ifndef __NetBSD__
        extern char *sys_errlist[];     /* this too... */
   #  endif
   #endif
   

   After the deletions, you should have the following:

   #ifndef VMS
   #  include 
      extern int   errno;         /* SHOULD be in errno.h, but often isn't */
   #endif
   

8. Build and install:

    
   $ make
   $ su -c "make install"
   Password:
   cp xv bggen vdcomp xcmap xvpictoppm /usr/local/bin
   cp docs/xv.man     /usr/local/man/man1/xv.1
   cp docs/bggen.man  /usr/local/man/man1/bggen.1
   cp docs/xcmap.man  /usr/local/man/man1/xcmap.1
   cp docs/xvp2p.man  /usr/local/man/man1/xvpictoppm.1
   cp docs/vdcomp.man /usr/local/man/man1/vdcomp.1
   cp docs/xvdocs.ps* /usr/local/lib
   

9. You're done.

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