EMBOSS FAQ (Frequently Asked Questions)

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But this says:

  There is no "configure" script for Libpng-1.2.5.  Instead, please
  copy the appropriate makefile for your system from the "scripts"
  directory.  Read the INSTALL file for more details.

so copy the file, for example "cp scripts/makefile.linux makefile"

   ##
   ## edit makefile, change prefix to be /home/joe/local
   ## and any other places - some files point to ../zlib
   ## others use /usr/local/lib and /usr/local/include
   ##
   ## on HP-UX this is trickier. CFLAGS has to match zlib
   ##
   make
   make install
   cd ..

   cd gd
   ##
   ## for 1.x versions, edit Makefile, change:
   ##         INCLUDEDIRS, LIBDIRS, INSTALL_LIB, INSTALL_INCLUDE, INSTALL_BIN
   ##         all          /usr/local
   ##         to           /home/joe/local
   ##
   ## for 2.x versions, we use ./configure (hurrah!)
   ./configure --prefix=/home/joe/local --with-png=/home/joe/local \
               --with-jpeg=/home/joe/local

   make
   make install
   cd ..

If the gd or jpeg "make install" fails with a warning about the "bin" "man" or "man/man1" directory, you need to create it by hand (see above).

To compile with the local version your EMBOSS ./configure line should now read:-

   ./configure --with-pngdriver=/home/joe/local

This will look for the graphics libraries in your local installation under /home/joe/local instead of a system-wide location

configure keeps a copy of the previous settings. You may need to delete file config.cache and config.status if configure has been run before.

Q) When installing EMBOSS recently I get a load of errors due to libraries not found.

The main problem is that I have an old version of libz but no lib gd in my system libraries and EMBOSS looks there first to try to locate these libraries. I have the correct versions installed elsewhere.

Deleting -lgd -lz -lpng from CFLAGS in the ajax directory Makefile works but is an ugly solution and not really ideal.

Are there any suggestions for setting the library search path or am I missing something really obvious? A) There are the

	   --without-pngdriver 

and

           --with-pngdriver=dir

flags. Did you try them? If the libraries are in /opt/png/lib then set "dir" to /opt/png i.e. one level above the "lib" directory.

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