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INSTALL.md

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bitpit installation

bitpit runs on Linux and Mac OSX platforms.

Dependencies

bitpit depends on

  • c++ compiler supporting -std=c++11. It has been tested with g++ >= 4.7.3
  • cmake >= 2.8
  • (optionally) MPI implementation. It has been tested with OpenMPI >= 1.6.5.

Some additional dependencies are required for building specific modules

  • boost and its development headers are needed when compiling the 'IO' module (please note that the 'IO' module is a dependecies for many other bitpit modules, the only modules that do not depend on 'IO' are the low level modules like 'operators', 'containers', 'LA', and 'SA').
  • blas, lapack, and lapacke are needed when compiling 'CG', 'RBF', and 'POD' modules.

When compiling bitpit, both shared library files and header library files are required. Therefore, in addition to the library packages, also the corresponding '-devel' packages ('-dev' in Debian-based distributions) are required.

Confguring bitpit

bitpit uses ccmake as building tool. In the bitpit's root folder make a building folder, e.g. build

    bitpit$ mkdir build

Enter the build folder

    bitpit$ cd build

In order to configure it, run:

    bitpit/build$ ccmake ../

By this way, bitpit can be configured for production and installation. Setting some variable in ccmake interface you can customize a bit your configuration.

The CMAKE_BUILD_TYPE variable has to be used to set the type of build. The possible options are : None, the environment compiler flags are used; Release, using compiler optimization flag -O2; Debug, related to compiler flags -O0 -fmessage-length=0, RelWithDebInfo, that uses compilation flags -O2 -g and MinSizeRel to have the smallest binary size.

The BITPIT_ENABLE_MPI variable can be used to compile the parallel implementation of the bitpit packages and to allow the dependency on MPI libraries.

The BITPIT_BUILD_EXAMPLES can be used to compile examples sources in bitpit/examples. Note that the tests sources in bitpit/testare necessarily compiled and successively available at bitpit/build/test/ as well as the compiled examples are available at bitpit/build/examples/.

The module variables (available in the advanced mode) can be used to compile each module singularly by setting the related varible ON/OFF (BITPIT_MODULE_CONTAINERS, BITPIT_MODULE_IO, BITPIT_MODULE_LA, BITPIT_MODULE_SA...). Possible dependencies between bitpit modules are automatically resolved.

Finally, you can choose the installation folder setting the cmake variable CMAKE_INSTALL_PREFIX. The default installation folder is /usr/local/.

Remember that if you choose the default installation path or another path without write permission you will need administration privileges to install bitpit in.

Building and Installing

Once cmake has configured bitpit.s building just do

    bitpit/build$ make

to build and

    bitpit/build$ make install

to install.

If you have just built bitpit, its headers will be available at bitpit/include/ folder and a static library libbitpit.a (or libbitpit_MPI.a in case of parallel compilation) will be available at bitpit/build/lib/ folder.

If you have also installed bitpit, its headers will be available at /my/installation/folder/bitpit/include/ folder and a static library libbitpit.a will be available at /my/installation/folder/lib/ folder.

Building Documentation

In order to build properly the documentation Doxygen (>=1.8.6) and Graphviz (>=2.20.2) are needed.

In the ccmake interface the variable BITPIT_ENABLE_DOC can be set to ON in order to build the documentation during the library compilation. If turned on the new variable BITPIT_DOC_EXTRACT_PRIVATE can be used to include all the private class members in the documentation.

After the make or make install the doxygen documentation will be built. You can chose to compile only the documentation with command

    bitpit/build$ make doc

You can now browse the html documentation with your favorite browser by opening 'html/index.html'.

Help

For any problem, please contact Optimad engineering srl at [email protected].