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INSTALL.md

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Installation

Build Prequesites

The following commands can be used to install the required and optional dependencies on your system. The c++ dependencies are vendored using git submodules and are included in the release tar balls.

Ubuntu / Debian

$ apt install g++ \
  cmake \
  doxygen \
  curl

Arch Linux

$ pacman -S g++ \
  cmake \
  doxygen \
  curl

RHEL / Centos

Note: RHEL provides both cmake version 2.x and 3.x, the version 3.x executable is called cmake3. PROPOSAL needs cmake3.

$ yum install g++ cmake3 doxygen curl

MacOS

$ xcode-select --install
$ brew install cmake \
  doxygen

Installing from PyPI

If you only want to use PROPOSAL from python, go ahead and

$ pip install [--user] proposal

Building PROPOSAL

  1. Download a release tarball from https://github.com/tudo-astroparticlephysics/PROPOSAL/releases and extract it or use git (the recursive is needed because we use submodules for dependencies):

    $ git clone --recursive https://github.com/tudo-astroparticlephysics/PROPOSAL

    To use a specific version of PROPOSAL, use git checkout vX.Y.Z after cloning.

  2. Create a build directory and generate the build configuration:

    $ mkdir build
$ cmake ..

    If you don't want to compile the pybindings, call cmake with

    $ cmake .. -DADD_PYTHON=OFF

    To specify an installation prefix other than /usr/local use

    $ cmake .. -DCMAKE_INSTALL_PREFIX=/custom/prefix

    The prefix is used to install PROPOSAL on your system.
    To show further installation options use cmake .. and/or visit the documentation. Also have a look at the additional cmake options down below.

    Note

    • The option CMAKE_INSTALL_PREFIX adds the given path also to the include directories. So if you have installed PROPOSAL with CMAKE_INSTALL_PREFIX and are modifying the header files, you will have to to uninstall PROPOSAL before the next build otherwise your local changes won't be used.

    • To ensure, that cmake finds the right python paths use these cmake options and adjust the version number to your python version:

    -DPYTHON_LIBRARY=/path/to/python/shared/library
-DPYTHON_INCLUDE_DIR=/path/to/python/include/directory

  3. Compile the project:

    $ cmake --build . [-j CORES]

    with # being the number of processors you can choose to compile the project on multiple processes simultaneously.

  4. Install the library into -DCMAKE_INSTALL_PREFIX, by default /usr/share

    $ cmake --build . --target install

Build types

CMake uses CMAKE_BUILD_TYPE when building with make, the default is set to Debug when in a git checkout and to Release otherwise. Two other options exist: RelWithDebInfo and MinSizeRel. See https://cmake.org/cmake/help/v3.17/variable/CMAKE_BUILD_TYPE.html

Additional cmake options

Option Default value Description
ADD_PYTHON ON Compile the python wrapper
ADD_PERFORMANCE_TEST OFF Compile the performance test source
ADD_ROOT ON Compile PROPOSAL with ROOT support

Compiling your executables using PROPOSAL

Simple executable

After installation PROPOSAL can be used as a C++ library and easily included in any *.cxx file with the command

#include "PROPOSAL/PROPOSAL.h"

Assuming PROPOSAL.h has been included in a file with the name example.cxx, this file can be compiled with

$ g++ example.cxx -std=c++11 -lPROPOSAL <further options>

CMake Project

PROPOSAL exports a cmake config file, suitable for use with find_package. To use PROPOSAL as dependency in your own CMake project, use:

add_executable(example ...)
find_package(PROPOSAL REQUIRED)
target_link_libraries(example PRIVATE PROPOSAL::PROPOSAL)  # or PUBLIC

In case you did install PROPOSAL in a custom prefix, use PROPOSAL_DIR to tell cmake where to find PROPOSAL:

$ PROPOSAL_DIR=/path/to/proposal/prefix cmake ...

Tests

We are using gtest, which is vendored via a git submodule and which is also included in the release tarballs. Tests are automatically compiled when building PROPOSAL itself directly rather than as dependency in your own CMake project. To deactivate the compilation of tests pass -DBUILD_TESTING=off to the cmake call.

To run the tests, go into the build directory and call

$ `ctest [-V]`

There are several very long running regression tests, disable them by invoking

$ ctest -V -E '(Brems|Photo|Epair|Mupair)'

Test resources are not included in the git repository for size reasons and are downloaded by cmake from our server <proposal.app.tu-dortmund.de/resources>.

Uninstalling

It is also possible to uninstall PROPOSAL with

$ make uninstall

This will remove all files listed in install_mainfest.txt which should have been created in your build directory after the installation.