1 files changed, 82 insertions, 0 deletions
diff --git a/src/cython/CMakeLists.txt b/src/cython/CMakeLists.txt
new file mode 100644
index 00000000..23305e63
--- /dev/null
+++ b/src/cython/CMakeLists.txt
@@ -0,0 +1,82 @@
+cmake_minimum_required(VERSION 2.8)
+project(Cython)
+
+FIND_PROGRAM( PYTHON_PATH python )
+FIND_PROGRAM( CYTHON_PATH cython )
+
+if(PYTHON_PATH AND CYTHON_PATH)
+  if(MSVC)
+    message("++ MSVC")
+  else()
+    message("++ NOT MSVC")
+    set(GUDHI_CYTHON_EXTRA_COMPILE_ARGS "${GUDHI_CYTHON_EXTRA_COMPILE_ARGS}'-std=c++11', ")
+  endif()
+  
+  find_package(Eigen3 3.1.0)
+  
+  if (EIGEN3_FOUND)
+    message("++ EIGEN3_FOUND")
+    # No problem, even if no CGAL found
+    set(GUDHI_CYTHON_EXTRA_COMPILE_ARGS "${GUDHI_CYTHON_EXTRA_COMPILE_ARGS}'-DCGAL_EIGEN3_ENABLED', ")
+    set(GUDHI_CYTHON_INCLUDE_DIRS "${GUDHI_CYTHON_INCLUDE_DIRS}'${EIGEN3_INCLUDE_DIR}', ")
+  endif (EIGEN3_FOUND)
+  
+  # Copy recursively src and test repositories before packages finding
+  # Some tests files are removed in case some packages are not found
+  file(COPY src DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+  file(COPY test DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+  
+  if (CGAL_FOUND)
+    if (NOT CGAL_VERSION VERSION_LESS 4.7.0)
+      # If CGAL_VERSION >= 4.7.0, include alpha complex
+      set(GUDHI_CYTHON_LIBRARIES "${GUDHI_CYTHON_LIBRARIES}'CGAL', ")
+      set(GUDHI_CYTHON_LIBRARY_DIRS "${GUDHI_CYTHON_LIBRARY_DIRS}'${CGAL_LIBRARIES_DIR}', ")
+      # GMP and GMPXX are not required, but if present, CGAL will link with them.
+      if(GMP_FOUND)
+        set(GUDHI_CYTHON_EXTRA_COMPILE_ARGS "${GUDHI_CYTHON_EXTRA_COMPILE_ARGS}'-DCGAL_USE_GMP', ")
+        set(GUDHI_CYTHON_LIBRARIES "${GUDHI_CYTHON_LIBRARIES}'gmp', ")
+        set(GUDHI_CYTHON_LIBRARY_DIRS "${GUDHI_CYTHON_LIBRARY_DIRS}'${GMP_LIBRARIES_DIR}', ")
+        if(GMPXX_FOUND)
+          set(GUDHI_CYTHON_EXTRA_COMPILE_ARGS "${GUDHI_CYTHON_EXTRA_COMPILE_ARGS}'-DCGAL_USE_GMPXX', ")
+          set(GUDHI_CYTHON_LIBRARIES "${GUDHI_CYTHON_LIBRARIES}'gmpxx', ")
+          set(GUDHI_CYTHON_LIBRARY_DIRS "${GUDHI_CYTHON_LIBRARY_DIRS}'${GMPXX_LIBRARIES_DIR}', ")
+        endif(GMPXX_FOUND)
+      endif(GMP_FOUND)
+  
+      set(GUDHI_CYTHON_ALPHA_COMPLEX "include 'src/cython/alpha_complex.pyx'")
+    else (NOT CGAL_VERSION VERSION_LESS 4.7.0)
+      # Remove alpha complex unitary tests
+      file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/test/test_alpha_complex.py)
+    endif (NOT CGAL_VERSION VERSION_LESS 4.7.0)
+  endif (CGAL_FOUND)
+  
+  # Loop on INCLUDE_DIRECTORIES PROPERTY
+  get_property(GUDHI_INCLUDE_DIRECTORIES DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY INCLUDE_DIRECTORIES)
+  foreach(GUDHI_INCLUDE_DIRECTORY ${GUDHI_INCLUDE_DIRECTORIES})
+    message(STATUS "dir='${GUDHI_INCLUDE_DIRECTORY}'")
+    set(GUDHI_CYTHON_INCLUDE_DIRS "${GUDHI_CYTHON_INCLUDE_DIRS}'${GUDHI_INCLUDE_DIRECTORY}', ")
+  endforeach()
+  set(GUDHI_CYTHON_INCLUDE_DIRS "${GUDHI_CYTHON_INCLUDE_DIRS}'${CMAKE_SOURCE_DIR}/${GUDHI_CYTHON_PATH}/src/cpp', ")
+  
+  # Generate cythonize_gudhi.py file to cythonize Gudhi
+  configure_file(cythonize_gudhi.py.in "${CMAKE_CURRENT_BINARY_DIR}/cythonize_gudhi.py" @ONLY)
+  
+  # Generate gudhi.pyx - Gudhi cython file 
+  configure_file(gudhi.pyx.in "${CMAKE_CURRENT_BINARY_DIR}/gudhi.pyx" @ONLY)
+  
+  add_custom_command(
+      OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/gudhi.so"
+      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+      COMMAND python "${CMAKE_CURRENT_BINARY_DIR}/cythonize_gudhi.py" "build_ext" "--inplace")
+  
+  add_custom_target(cythonize_gudhi ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/gudhi.so")
+
+  FIND_PROGRAM( PYTEST_PATH py.test )
+  if(PYTEST_PATH)
+    add_test(
+        NAME gudhi_cython_py_test
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+        COMMAND ${PYTEST_PATH})
+  endif(PYTEST_PATH)
+
+endif(PYTHON_PATH AND CYTHON_PATH)