Linux tip, Fedora tip / howto: Compiling xv with Progressive JPEG and PNG support

 
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Compiling xv with Progressive JPEG and PNG support


First, a straight install method for CentOS:
  • install the nux dextop repository
  • run yum install xv

compiling it

Written before the web existed, xv is still one of the best image viewing/manipulating programs around. The author still maintains a web site with source and patches at this xv downloads page.

To get it to compile with Progressive JPEG and PNG support was a bit tricky. The instructions below worked on a Fedora Core 4 installation.

  • from the above download page, download xv-3.10a.tar.gz, decompress it with tar zxvf xv-3.10a.tar.gz
  • near the bottom of the page, from the Optional Patches list, download into the xv-3.10a source directory:
    • the Patch to use Version 6 of the JPEG library (xv-3.10a.JPEG-patch)
    • the Patch to read/write PNG files (xv-3.10a-png-1.2d.tar.gz) (including the patch that is mentioned in the text below it (xvpng-1.2d-fix3.patch))
  • get the open source JPEG library from the Independent JPEG Group page, and decompress it in the xv-3.10a directory
  • to make sure the new JPEG library is used:
    rm -rf jpeg
    mv jpeg-6b jpeg
  • for the PNG support:
    yum install libpng-devel
    yum install zlib-devel
  • apply the patches:
    patch < xv-3.10a.JPEG-patch
    tar zxvf xv-3.10a-png-1.2d.tar.gz
    patch -p1 < xvpng.diff
    patch < xvpng-1.2d-fix3.patch
  • open the Makefile in an editor, and change this line:
    LIBS = -lX11 $(JPEGLIB) $(TIFFLIB) $(PNGLIB) $(ZLIBLIB) -lm
    to:
    LIBS = -L /usr/X11R6/lib -lX11 $(JPEGLIB) $(TIFFLIB) $(PNGLIB) $(ZLIBLIB) -lm
  • run make
  • if you get this error:
    xv.h:119: error: conflicting types for 'sys_errlist'
    simply comment out the offending line in xv.h:
    /* extern char *sys_errlist[]; /* this too... */
  • run make install to install. To create an RPM, use checkinstall


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