Move example tests in a new CMakeLists.txt

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/ST_cythonize@2288 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 8b2bce4c8be8a34b8fba9c664d2f0b3b60a50c20

1 files changed, 46 insertions, 0 deletions

diff --git a/src/cmake/modules/GUDHI_third_party_libraries.txt b/src/cmake/modules/GUDHI_third_party_libraries.txt
index 1974f70f..2ddc9f1f 100644
--- a/src/cmake/modules/GUDHI_third_party_libraries.txt
+++ b/src/cmake/modules/GUDHI_third_party_libraries.txt
@@ -105,3 +105,49 @@ LINK_DIRECTORIES(${Boost_LIBRARY_DIRS})
 
 message(STATUS "boost include dirs:" ${Boost_INCLUDE_DIRS})
 message(STATUS "boost library dirs:" ${Boost_LIBRARY_DIRS})
+
+macro( find_the_lib placeholder THE_LIBS )
+  set (THE_LIB_WE_FOUND "NO")
+  foreach(THE_LIB ${THE_LIBS})
+    if(EXISTS ${THE_LIB})
+      get_filename_component(THE_LIB_WE ${THE_LIB} NAME_WE)
+      if (NOT THE_LIB_WE_FOUND)
+        set (THE_LIB_WE_FOUND "YES")
+        set(returnValue "${THE_LIB_WE}")
+      endif(NOT THE_LIB_WE_FOUND)
+    endif(EXISTS ${THE_LIB})
+  endforeach(THE_LIB ${THE_LIBS})
+endmacro( find_the_lib )
+
+# Find the correct Python interpreter.
+# Can be set with -DPYTHON_EXECUTABLE=/usr/bin/python3 or -DPython_ADDITIONAL_VERSIONS=3 for instance.
+if(PYTHON_EXECUTABLE)
+  if(NOT EXISTS "${PYTHON_EXECUTABLE}")
+    message(FATAL_ERROR "ERROR: ${PYTHON_EXECUTABLE} does not exist.")
+  endif(NOT EXISTS "${PYTHON_EXECUTABLE}")
+endif(PYTHON_EXECUTABLE)
+find_package(PythonInterp)
+
+if(NOT GUDHI_CYTHON_PATH)
+  message(FATAL_ERROR "ERROR: GUDHI_CYTHON_PATH is not valid.")
+endif(NOT GUDHI_CYTHON_PATH)
+
+if(PYTHONINTERP_FOUND)
+  # Default found version 2
+  if(PYTHON_VERSION_MAJOR EQUAL 2)
+    FIND_PROGRAM(CYTHON_PATH cython)
+    # Unitary tests are available through py.test
+    find_program( PYTEST_PATH py.test )
+    # Documentation generation is available through sphinx
+    find_program( SPHINX_PATH sphinx-build )
+  elseif(PYTHON_VERSION_MAJOR EQUAL 3)
+    FIND_PROGRAM(CYTHON_PATH cython3)
+    # Unitary tests are available through py.test
+    find_program( PYTEST_PATH py.test )
+    # Documentation generation is available through sphinx
+    set(SPHINX_PATH "${CMAKE_SOURCE_DIR}/${GUDHI_CYTHON_PATH}/doc/python3-sphinx-build")
+  else()
+    message(FATAL_ERROR "ERROR: Try to compile the Cython interface. Python version ${PYTHON_VERSION_STRING} is not valid.")
+  endif(PYTHON_VERSION_MAJOR EQUAL 2)
+endif(PYTHONINTERP_FOUND)
+