Installing from source

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The Gerris environment consists of two main parts: the Gerris solver itself and the visualisation application GfsView. The Gerris solver does not need interactive display and can run purely in terminal mode. This is useful when running applications on supercomputing systems which are often used in "batch mode".

The Gerris solver depends on the GTS library for geometrical operations and object-oriented programming. The GTS library in turns depends on the Glib library, a set of useful extensions for C programming. Glib is installed as part of the standard installation on many Linux systems, however the corresponding development files (library header files etc...) usually need to be installed explicitly.

Installing the glib development files

Depending on your system, you have the choice between two installation procedures.

Using pkg-config

Linux systems use an utility called pkg-config to find out about development libraries installed on the system. Other versions of UNIX may also have pkg-config installed but your luck may vary.

To check whether you already have the development files for glib on your system do:

% pkg-config glib-2.0 --modversion

If the development files are installed you will get something like:


i.e. the installed version number of glib. Otherwise, you will need to install the development files first. It is most easily done by using the packaging system of your linux distribution. For example on a debian-based distribution just type:

% sudo apt-get install libglib2.0-dev

RPM-based distributions (Red Hat, Fedora, Suse etc...) will have similar tools but the package name may be different.

Installing the glib 1.2 series

On more exotic systems (e.g. Cray unicos etc...) it may prove difficult to install the glib 2.0 series (because of the multiple dependencies). The older glib 1.2 series is self-contained and should be easier to install instead. Both GTS and Gerris are written to be compatible with the older glib series.

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