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====== CMake tutorial ======

===== Developers =====
To add new files to be compiled, you will need to edit one of the following files
  oofem/src/oofemlib/CMakeLists.txt
  oofem/src/sm/CMakeLists.txt
  oofem/src/fm/CMakeLists.txt
  oofem/src/tm/CMakeLists.txt

Add new files to new lines which makes it less likely to conflict when merging code in git.

  set (oofemlib_element
      element.C
      structuralelement.C
      nlstructuralelement.C
      my_new_element.C
      )

For more complex additions that require new configuration options, you will need to modify CMakeLists.txt in the root directory
  oofem/CMakeLists.txt

If new tests files are added CMake will find them automatically, just re-run cmake from the build directory.
===== Linux =====
Install CMake from the package system of your choice.
Create a out-of-tree build directory 

  mkdir -p ~/build/debug/
  cd ~/build/debug/
  cmake ~/oofem/
  make
  ctest

Instead of ''cmake'' can use ''ccmake'' which uses an ncurses interface, or ''cmake-gui'' for a GUI.
Use the command ''make help'' for a list of all targets.

To make configuration options, either use the ''cmake'', ''cmake-gui'' or supply additional commands directly
  cmake -DCMAKE_CXX_FLAGS="-Werror" ~/oofem/
  
In order to use a different compiler you need to start a new clean configuration (from an empty directory) and supply the new compiler using ''-DCMAKE_CXX_COMPILER''
  mkdir -p ~/build/clang/
  cd ~/build/clang/
  cmake -DCMAKE_CXX_COMPILER=clang++ ~/oofem/
  make
  ctest
//**Note:** After initial configuration, you cannot change compiler. If you install a new version of GCC, you will need to remove the build directory and do the configuration again. //
==== CTest ====
Some useful options for ctest include running the tests in parallel;
  ctest -j 4
and regex search for limiting the tests you wish to check (the following example runs //cemhyd01.in// and //cemhyd02.in//)
  ctest -R cemhyd
and lastly a verbose option to see what went wrong
  ctest -V

==== CPack ====
CPack allows you to make source and binary releases. You will first need to configure using ''cmake'' (as detailed above). The following commands are executed from the build directory.

To generate a source package (which excludes .git/ and generated files) run
  make source_package

To generate a DEB, RPM, ZIP binary packages of your currently configured directory, run
  cpack -G DEB
  cpack -G RPM
  cpack -G ZIP
  ...
===== Windows (Visual Studio) =====
  - Install CMake
  - Start CMake, select the source directory, and then select a new directory for the build.
  - Press configure, select your options, configure again
  - Press generate to produce project files for VS.

//Note: The build types (debug, release) are handled internally by Visual Studio, so no configuration option for this is presented in CMake//

To run the test suite, open the solution explorer in VS and "build" the ''test'' target to run through the test suite.