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INSTALL.md

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INSTALL

Contents:

  • Introduction
  • Dependencies
  • UNIX-like Environment: Automated Build and Install
  • UNIX-like Environment: Manual Build and Install
  • Windows and Microsoft Visual Studio: Building with CMake
  • Linking Against the GPSTk Library
  • Notes on the python bindings

Introduction:

The most up-to-date project information can be found at the project website, including build and install instructions, the latest project news, a support forum, IRC, and contact information:

http://www.gpstk.org/

The easiest way to build an install GPSTk is to use the shell script provided with the source distribution. See below for more details on use of the script, details on building on POSIX platforms, and where to get instructions for building with CMake, both with Xcode on OSX and Visual Studio on Windows.

Dependencies:

This project uses CMake for all of its configuration, build, install & testing tasks.

http://www.cmake.org/

This project uses SWIG for generation of python bindings for the C++ library. Currently (March 2016) there seems to be problems with using swig 3.x to build the bindings. 2.0.12 is the newest this has been successfull. http://www.swig.org/

This project (optionally) uses doxygen to dynamically generate API documentation.

http://www.doxygen.org/

This project (optionally) uses LaTex to dynamically generate User's Reference Manual.

https://www.latex-project.org/

This project (optionally) uses Sphinx for generating the python bindings documentation.

http://sphinx-doc.org/

UNIX-like Environment: Automatic build and install

This section describes build and installation under the following environments:

  • Linux, OSX, Solaris

The following procedure will build and install the GPSTk.

  1. Ensure that prerequisites such as cmake and swig have been installed.

  2. Obtain the GPSTk source distribution.

  3. If needed, extract the GPSTk compressed archive. For example, using GNU tar and gunzip:

    $ tar -xvzf gpstk.tgz

  4. Navigate to the root directory of the extract GPSTk file tree, herein called $gpstk_root:

    $ cd $gpstk_root

5. Execute the build script to build and install to the user's ~/.local dir
    
    $ ./build.sh -eu

UNIX-like Environment: Manual Build, Install, and Package:

If you instead prefer or need to run commands one at a time, run the following commands instead of build.sh:

  1. If you want documentation of the C++ classes and improved python docstrings:

    $ cd $gpstk_root

    $ doxygen

  2. Create a directory for your build:

    $ cd $gpstk_root

    $ mkdir $gpstk_root/build

  3. Change into the $gpstk_root/build directory, this will be where all of the build files will reside.

  4. If you prefer to build and install GPSTk as a system library in /usr/local, execute the following commands:

    $ cd $gpstk_root/build

    $ cmake $gpstk_root

    $ make

    $ make install

  5. If you prefer to build and install GPSTk as a user library in $HOME/.local, skip the previous step, and instead execute the following commands:

    $ cd $gpstk_root/build

    $ cmake -DPYTHON_INSTALL_PREFIX=$HOME/.local -DCMAKE_INSTALL_PREFIX=$HOME/.local/gpstk -DBUILD_EXT=1 -DBUILD_PYTHON=1 $gpstk_root

    $ export LD_LIBRARY_PATH=$HOME/.local/gpstk/lib:$LD_LIBRARY_PATH

    $ make

    $ make install

    $ export PATH=$HOME/.local/gpstk/bin:$PATH

  6. If you want to package the binaries into a tarball, execute the following commands:

    $ cd $gpstk_root/build

    $ cmake -DPYTHON_INSTALL_PREFIX=$HOME/.local -DCMAKE_INSTALL_PREFIX=$HOME/.local/gpstk $gpstk_root

    $ export LD_LIBRARY_PATH=$HOME/.local/gpstk/lib:$LD_LIBRARY_PATH

    $ make

    $ make package

Windows and Microsoft Visual Studio: Building with CMake:

Step-by-step procedure with pictures on building, installing, and testing the GPSTk under Visual Studio 2012 can be found at gpstk.org:

http://www.gpstk.org/bin/view/Documentation/BuildingGPSTkUnderWindows

Linking Against the GPSTk Library:

If you are developing against your install of GPSTk, and have added the relevant GPSTk library #include statements in you implementation file, then the simplest example of building your application in a Bash script would look like this:

INPUT=Your_App.cpp
OUTPUT=Your_App.exe
GPSTK_INSTALL=$HOME/.local/gpstk
COMPILER="gcc -Wall"

COMMAND_STRING="$COMPILER -I$GPSTK_INSTALL/include -L$GPSTK_INSTALL/lib -lgpstk -o $OUTPUT $INPUT"
echo "$COMMAND_STRING"
eval $COMMAND_STRING

Notes on the python bindings

Under common Linux distributions (Debian, Ubunu, CentOS, RedHat), the python bindings just build, install, and work (TM).

Under other OSs, things are a little more fussy.

As of March 2016 on OX X 10.11 (El Capitan), build.sh -u will install the python bindings to ~/.local/lib/python2.7... It doesn't appear that the python provided with OS X will automatically load from this path.