Readme.linux

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	SNNS Version 4.2 Linux Installation Notes
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The configure script doesn't work with the Linux 'Bourne Again Shell'.
It needs a c-shell. To install SNNS you have two possibilties:

  1) install a c-shell
     - get the tcsh for linux (for example form tsx-11.mit.edu in the
      /pub/linux/binaries/usr.bin directory) 
     - make a link from the tcsh executable to /bin/csh
     - run the configuration scripts

  2) install SNNS manually
     - go to the SNNSv4.2/kernel/sources directory
     - edit the Makefile (it is set for a sun sparc with the gcc compiler)
     - change the SNNSDIR entry to your local path
     - change the MACHINE entry to 386
     - change the LEX entry to flex -I
     - change the MACHINENAME entry to pc_linux
     - change the LEXLIB entry to -lfl
     - change the RLIB entry to ranlib 
	(check '/usr/bin/ranlib' to be sure you have this before changing)
     - change XDIR and XH entries to your local X11 library and include
       path. This is normaly /usr/X11R6/lib and /usr/X11R6/include
     - run 'make' and 'make install'

     - go to the SNNSv4.2/xgui/sources directory
     - repeat the steps above for the interface Makefile
     - also change the LDOPTIONS entry to 
	-L$(XDIR) -lXaw -lXmu -lXt -lSM -lICE -lXext -lX11 -lm -lfl

     - go to the SNNSv4.2/tools/sources directory
     - repeat the steps above for the tools Makefile
     - also change the LDOPTIONS entry to 
	-L$(XDIR) -lXaw -lXmu -lXt -lSM -lICE -lXext -lX11 -lm -lfl
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The Linux version of LaTeX has other limits than the standard Unix 
version. With the Linux version it is possible to compile the user 
manual using LaTeX, where under Unix biglatex has to be used.


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      End of document 'SNNS Version 4.2 Installation Linux Notes'
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