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cmake_minimum_required(VERSION 2.6)
project(GUDHIWitnessComplex)
# A simple example
add_executable( witness_complex_from_file witness_complex_from_file.cpp )
add_test( witness_complex_from_bunny ${CMAKE_CURRENT_BINARY_DIR}/witness_complex_from_file ${CMAKE_SOURCE_DIR}/data/points/bunny_5000 100)
if(CGAL_FOUND)
if (NOT CGAL_VERSION VERSION_LESS 4.6.0)
message(STATUS "CGAL version: ${CGAL_VERSION}.")
include( ${CGAL_USE_FILE} )
# In CMakeLists.txt, when include(${CGAL_USE_FILE}), CXX_FLAGS are overwritten.
# cf. http://doc.cgal.org/latest/Manual/installation.html#title40
# A workaround is to add "-std=c++11" again.
# A fix would be to use https://cmake.org/cmake/help/v3.1/prop_gbl/CMAKE_CXX_KNOWN_FEATURES.html
# or even better https://cmake.org/cmake/help/v3.1/variable/CMAKE_CXX_STANDARD.html
# but it implies to use cmake version 3.1 at least.
if(NOT MSVC)
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG(-std=c++11 COMPILER_SUPPORTS_CXX11)
if(COMPILER_SUPPORTS_CXX11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
endif()
# - End of workaround
find_package(Eigen3 3.1.0)
if (EIGEN3_FOUND)
message(STATUS "Eigen3 version: ${EIGEN3_VERSION}.")
include( ${EIGEN3_USE_FILE} )
message(STATUS "Eigen3 use file: ${EIGEN3_USE_FILE}.")
include_directories (BEFORE "../../include")
add_executable ( witness_complex_sphere witness_complex_sphere.cpp )
target_link_libraries(witness_complex_sphere ${Boost_SYSTEM_LIBRARY} ${CGAL_LIBRARY})
add_test( witness_complex_sphere_10 ${CMAKE_CURRENT_BINARY_DIR}/witness_complex_sphere 10)
else()
message(WARNING "Eigen3 not found. Version 3.1.0 is required for witness_complex_sphere example.")
endif()
else()
message(WARNING "CGAL version: ${CGAL_VERSION} is too old to compile witness_complex_sphere example. Version 4.6.0 is required.")
endif ()
endif()
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