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2 Installation of the IO-package

To get the newest version of this GAP 4 package download one of the archive files

• io-x.x.tar.gz

• io-x.x.tar.bz2

• io-x.x.zip

and unpack it using

gunzip io-x.x.tar.gz; tar xvf io-x.x.tar

or

bzip2 -d io-x.x.tar.bz2; tar xvf io-x.x.tar

or

unzip -x io-x.x.zip

respectively.

Do this in a directory called pkg, preferably (but not necessarily) in the pkg subdirectory of your GAP 4 installation. It creates a subdirectory called io.

The package will not work without the following compilation step.

To compile the C part of the package do (in the pkg directory)

    cd io
    ./configure
    make

If you installed the package in another pkg directory than the standard pkg directory in your GAP 4 installation, then you have to do two things. Firstly during compilation you have to use the option --with-gaproot=PATH of the configure script where PATH is a path to the main GAP root directory (if not given the default ../.. is assumed).

Secondly you have to specify the path to the directory containing your pkg directory to GAP's list of directories. This can be done by starting GAP with the -l command line option followed by the name of the directory and a semicolon. Then your directory is prepended to the list of directories searched. Otherwise the package is not found by GAP. Of course, you can add this option to your GAP startup script.

2.1 Recompiling the documentation

Recompiling the documentation is possible by the command gap makedoc.g in the io directory. But this should not be necessary.

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