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Requirements
------------
DOLFIN uses CMake for configuration and installation. DOLFIN also
relies on a number of other third-party libraries. Your system will be
probed for these libraries as part of the configuration process.
Simple build and install
------------------------
In the simplest case, just issue the commands
cmake .
make install
This will first configure DOLFIN for your system and then compile and
install DOLFIN in your system's default installation direcory, for
example in /usr/local/ or /opt/local/.
Local installation
------------------
It may sometimes be advantageous to install DOLFIN locally as part
of the DOLFIN source tree. To do this, simply type
./cmake.local
This configures, compiles, and install DOLFIN in a directory named
'local' in the DOLFIN source tree.
Customized builds
-----------------
To customize the configuration of DOLFIN, it is convenient to use one
of the graphical user interfaces for CMake, such as either ccmake or
cmake-gui. These frontends to CMake allow simple manipulation of
variables that control the configuration of DOLFIN.
It is often useful to build DOLFIN 'out-of-source' which means that
all files generated by the build process end up in a separate
directory without cluttering the source tree. To make an out-of-source
build for DOLFIN using a graphical interface to CMake, simply type
mkdir build
cd build
cmake-gui ..
make install
Building demos and tests
------------------------
To build demos, enter the build directory (if any) and type
make demo
This will build all demos. To build a specific demo, just name the
demo you want to build, for example the Poisson demo, and type
make poisson-demo
Alternatively, you may navigate to the demo directory directly, for
example demo/pde/poisson/cpp and then build the demo using CMake as
above:
cmake .
make
Python demos can be run directly by navigating to the directory of the
demo and typing
python demo.py
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