86 lines
2.5 KiB
CMake
86 lines
2.5 KiB
CMake
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include(${CMAKE_CURRENT_LIST_DIR}/CGAL_Macros.cmake)
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message ( STATUS "External libraries supported: ${CGAL_SUPPORTING_3RD_PARTY_LIBRARIES}")
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foreach (lib ${CGAL_SUPPORTING_3RD_PARTY_LIBRARIES})
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# Part 1: Try to find lib
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set (vlib "${CGAL_EXT_LIB_${lib}_PREFIX}")
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# Check whether lib is essential or WITH_<lib> is given:
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list(FIND CGAL_ESSENTIAL_3RD_PARTY_LIBRARIES "${lib}" POSITION)
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if ("${POSITION}" STRGREATER "-1" OR WITH_${lib})
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# In both cases CGAL_USE_<lib> will be finally set.
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#message (STATUS "With ${lib} given or essential: pos=${POSITION}")
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if ( CGAL_ENABLE_PRECONFIG )
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message (STATUS "Preconfiguring library: ${lib} ...")
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else()
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message (STATUS "Configuring library: ${lib} ...")
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endif()
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find_package( ${lib} )
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if ( ${vlib}_FOUND )
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if ( CGAL_ENABLE_PRECONFIG )
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message( STATUS "${lib} has been preconfigured:")
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message( STATUS " Use${lib}-file: ${${vlib}_USE_FILE}")
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message( STATUS " ${lib} include: ${${vlib}_INCLUDE_DIR}" )
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message( STATUS " ${lib} libraries: ${${vlib}_LIBRARIES}" )
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message( STATUS " ${lib} definitions: ${${vlib}_DEFINITIONS}" )
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else()
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message( STATUS "${lib} has been configured")
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use_lib( ${vlib} ${${vlib}_USE_FILE})
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endif()
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# TODO EBEB what about Qt5, zlib etc?
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set ( CGAL_USE_${vlib} TRUE )
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# Part 2: Add some lib-specific definitions or obtain version
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if (${lib} STREQUAL "GMP")
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get_dependency_version(GMP)
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endif()
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if (${lib} STREQUAL "MPFR")
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set( MPFR_DEPENDENCY_INCLUDE_DIR ${GMP_INCLUDE_DIR} )
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set( MPFR_DEPENDENCY_LIBRARIES ${GMP_LIBRARIES} )
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get_dependency_version(MPFR)
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endif()
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if (${lib} STREQUAL "LEDA")
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# special case for LEDA - add a flag
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message( STATUS "LEDA cxx flags: ${LEDA_CXX_FLAGS}" )
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uniquely_add_flags( CMAKE_CXX_FLAGS ${LEDA_CXX_FLAGS} )
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endif()
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else()
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if ("${POSITION}" STRGREATER "-1") # if lib is essential
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message( FATAL_ERROR "CGAL requires ${lib} to be found" )
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endif()
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endif()
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endif()
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endforeach()
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if( (GMP_FOUND AND NOT MPFR_FOUND) OR (NOT GMP_FOUND AND MPFR_FOUND) )
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message( FATAL_ERROR "CGAL needs for its full functionality both GMP and MPFR.")
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endif()
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if( NOT GMP_FOUND )
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set(CGAL_NO_CORE ON)
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message( STATUS "CGAL_Core needs GMP, cannot be configured.")
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endif( NOT GMP_FOUND )
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# finally setup Boost
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include(${CMAKE_CURRENT_LIST_DIR}/CGAL_SetupBoost.cmake)
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