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cmake_minimum_required(VERSION 2.8)
project(Cython)
FIND_PROGRAM( PYTHON_PATH python )
FIND_PROGRAM( CYTHON_PATH cython )
if(PYTHON_PATH AND CYTHON_PATH)
# Gudhi and CGAL compilation option
if(MSVC)
set(GUDHI_CYTHON_EXTRA_COMPILE_ARGS "${GUDHI_CYTHON_EXTRA_COMPILE_ARGS}'/fp:strict', ")
else(MSVC)
set(GUDHI_CYTHON_EXTRA_COMPILE_ARGS "${GUDHI_CYTHON_EXTRA_COMPILE_ARGS}'-std=c++11', ")
endif(MSVC)
if(CMAKE_COMPILER_IS_GNUCXX)
set(GUDHI_CYTHON_EXTRA_COMPILE_ARGS "${GUDHI_CYTHON_EXTRA_COMPILE_ARGS}'-frounding-math', ")
endif(CMAKE_COMPILER_IS_GNUCXX)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
set(GUDHI_CYTHON_EXTRA_COMPILE_ARGS "${GUDHI_CYTHON_EXTRA_COMPILE_ARGS}'-fp-model strict', ")
endif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
find_package(Eigen3 3.1.0)
if (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 include, cython and test repositories before packages finding
# Some tests files are removed in case some packages are not found
file(COPY include DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
file(COPY cython 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 '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 ${GUDHI_INCLUDE_DIRECTORIES})
set(GUDHI_CYTHON_INCLUDE_DIRS "${GUDHI_CYTHON_INCLUDE_DIRS}'${GUDHI_INCLUDE_DIRECTORY}', ")
endforeach()
set(GUDHI_CYTHON_INCLUDE_DIRS "${GUDHI_CYTHON_INCLUDE_DIRS}'${CMAKE_SOURCE_DIR}/${GUDHI_CYTHON_PATH}/include', ")
# 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"
COMMENT "Do not forget to add ${CMAKE_CURRENT_BINARY_DIR}/gudhi.so to your PYTHONPATH before using examples")
# Unitary tests are available through py.test
find_program( PYTEST_PATH py.test )
if(PYTEST_PATH)
add_test(
NAME gudhi_cython_py_test
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMAND ${PYTEST_PATH})
set_tests_properties(gudhi_cython_py_test PROPERTIES ENVIRONMENT "PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR}")
endif(PYTEST_PATH)
# Documentation generation is available through sphinx
find_program( SPHINX_PATH sphinx-build )
if(SPHINX_PATH)
file(COPY doc DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
# Developper version
file(GLOB GUDHI_DEV_DOC_IMAGES "${CMAKE_SOURCE_DIR}/src/*/doc/*.png")
file(COPY ${GUDHI_DEV_DOC_IMAGES} DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/doc/img")
# User version
file(GLOB GUDHI_USER_DOC_IMAGES "${CMAKE_SOURCE_DIR}/doc/*/*.png")
file(COPY ${GUDHI_USER_DOC_IMAGES} DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/doc/img")
# Biblio
file(GLOB GUDHI_BIB_FILES "${CMAKE_SOURCE_DIR}/biblio/*.bib")
file(COPY ${GUDHI_BIB_FILES} DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/doc/")
# Cubical complex perseus doc example
file(GLOB GUDHI_CUBICAL_PERSEUS_FILES "${CMAKE_SOURCE_DIR}/data/bitmap/*cubicalcomplexdoc.txt")
file(COPY ${GUDHI_CUBICAL_PERSEUS_FILES} DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/doc/")
file(COPY "${CMAKE_SOURCE_DIR}/data/points/alphacomplexdoc.off" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/doc/")
# Persistence graphical tools examples
file(COPY "${CMAKE_SOURCE_DIR}/data/bitmap/3d_torus.txt" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/doc/")
file(COPY "${CMAKE_SOURCE_DIR}/data/points/tore3D_300.off" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/doc/")
if (UNIX)
add_custom_target(html
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc
COMMAND make html && make doctest)
else (UNIX)
add_custom_target(html
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc
COMMAND make.bat html)
endif (UNIX)
endif(SPHINX_PATH)
endif(PYTHON_PATH AND CYTHON_PATH)
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