57 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			CMake
		
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			CMake
		
	
	
###############################################################################
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# Find boost
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# To change the path for boost, you will need to set:
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# BOOST_ROOT: path to install prefix for boost
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# Boost_NO_SYSTEM_PATHS: set to true to keep the find script from ignoring BOOST_ROOT
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if(MSVC)
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    # By default, boost only builds static libraries on windows
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    set(Boost_USE_STATIC_LIBS ON)  # only find static libs
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    # If we ever reset above on windows and, ...
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    # If we use Boost shared libs, disable auto linking.
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    # Some libraries, at least Boost Program Options, rely on this to export DLL symbols.
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    if(NOT Boost_USE_STATIC_LIBS)
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        list_append_cache(GTSAM_COMPILE_DEFINITIONS_PUBLIC BOOST_ALL_NO_LIB BOOST_ALL_DYN_LINK)
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    endif()
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    # Virtual memory range for PCH exceeded on VS2015
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    if(MSVC_VERSION LESS 1910) # older than VS2017
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      list_append_cache(GTSAM_COMPILE_OPTIONS_PRIVATE -Zm295)
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    endif()
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endif()
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# Store these in variables so they are automatically replicated in GTSAMConfig.cmake and such.
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set(BOOST_FIND_MINIMUM_VERSION 1.65)
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set(BOOST_FIND_MINIMUM_COMPONENTS serialization system filesystem thread program_options date_time timer chrono regex)
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find_package(Boost ${BOOST_FIND_MINIMUM_VERSION} COMPONENTS ${BOOST_FIND_MINIMUM_COMPONENTS} REQUIRED)
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# Required components
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if(NOT Boost_SERIALIZATION_LIBRARY OR NOT Boost_SYSTEM_LIBRARY OR NOT Boost_FILESYSTEM_LIBRARY OR
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    NOT Boost_THREAD_LIBRARY OR NOT Boost_DATE_TIME_LIBRARY)
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  message(FATAL_ERROR "Missing required Boost components >= v1.65, please install/upgrade Boost or configure your search paths.")
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endif()
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option(GTSAM_DISABLE_NEW_TIMERS "Disables using Boost.chrono for timing" OFF)
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# Allow for not using the timer libraries on boost < 1.48 (GTSAM timing code falls back to old timer library)
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set(GTSAM_BOOST_LIBRARIES
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  Boost::serialization
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  Boost::system
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  Boost::filesystem
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  Boost::thread
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  Boost::date_time
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  Boost::regex
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)
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if (GTSAM_DISABLE_NEW_TIMERS)
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    message("WARNING:  GTSAM timing instrumentation manually disabled")
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    list_append_cache(GTSAM_COMPILE_DEFINITIONS_PUBLIC DGTSAM_DISABLE_NEW_TIMERS)
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else()
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    if(Boost_TIMER_LIBRARY)
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      list(APPEND GTSAM_BOOST_LIBRARIES Boost::timer Boost::chrono)
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    else()
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      list(APPEND GTSAM_BOOST_LIBRARIES rt) # When using the header-only boost timer library, need -lrt
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      message("WARNING:  GTSAM timing instrumentation will use the older, less accurate, Boost timer library because boost older than 1.48 was found.")
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    endif()
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endif()
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