if ( NOT CGAL_Boost_Setup ) include(CGAL_TweakFindBoost) set ( CGAL_requires_Boost_libs TRUE ) if ( DEFINED MSVC_VERSION AND "${MSVC_VERSION}" GREATER 1800) set ( CGAL_requires_Boost_libs FALSE ) endif() if ( CMAKE_COMPILER_IS_GNUCXX AND( #CMAKE_CXX_STANDARD_DEFAULT is available starting cmake 3.4 ( DEFINED CMAKE_CXX_STANDARD_DEFAULT AND ${CMAKE_CXX_STANDARD_DEFAULT} GREATER 03 AND ${CMAKE_CXX_STANDARD_DEFAULT} LESS 98 ) #GCC 4.8+ with c++11 on OR ( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8 AND CMAKE_CXX_FLAGS MATCHES "\\-std=(c|gnu)\\+\\+[01][14yxz]") #GCC 6.0+ without c++03 on OR ( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0 AND NOT CMAKE_CXX_FLAGS MATCHES "\\-std=(c|gnu)\\+\\+[90][83]" AND NOT CMAKE_CXX_FLAGS MATCHES "\\-ansi") ) ) set ( CGAL_requires_Boost_libs FALSE ) endif() if (CGAL_requires_Boost_libs) find_package( Boost 1.48 REQUIRED thread system ) else() find_package( Boost 1.48 REQUIRED ) endif() if(Boost_FOUND) if(DEFINED Boost_DIR AND NOT Boost_DIR) # Unset that cache variable that is set in the cache by FindBoost # (while it was searching for boost-cmake). unset(Boost_DIR CACHE) set(Boost_NO_BOOST_CMAKE TRUE CACHE INTERNAL "Avoid future search of boost-cmake") endif() endif() message( STATUS "Boost include: ${Boost_INCLUDE_DIRS}" ) message( STATUS "Boost libraries: ${Boost_LIBRARIES}" ) message( STATUS "Boost definitions: ${Boost_DEFINITIONS}" ) set ( CGAL_USE_BOOST 1 ) include(CGAL_Macros) add_to_cached_list(CGAL_3RD_PARTY_INCLUDE_DIRS ${Boost_INCLUDE_DIRS} ) add_to_cached_list(CGAL_3RD_PARTY_LIBRARIES_DIRS ${Boost_LIBRARY_DIRS} ) add_to_cached_list(CGAL_3RD_PARTY_DEFINITIONS ${Boost_DEFINITIONS} ) if ( NOT MSVC ) add_to_cached_list(CGAL_3RD_PARTY_LIBRARIES ${Boost_LIBRARIES} ) endif() message( STATUS "USING BOOST_VERSION = '${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}'" ) set ( CGAL_Boost_Setup TRUE ) endif()