| 
									
										
										
										
											2020-10-07 00:10:06 +08:00
										 |  |  | ###############################################################################
 | 
					
						
							|  |  |  | # Find boost
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | # To change the path for boost, you will need to set:
 | 
					
						
							|  |  |  | # BOOST_ROOT: path to install prefix for boost
 | 
					
						
							|  |  |  | # Boost_NO_SYSTEM_PATHS: set to true to keep the find script from ignoring BOOST_ROOT
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | if(MSVC)
 | 
					
						
							|  |  |  |     # By default, boost only builds static libraries on windows
 | 
					
						
							|  |  |  |     set(Boost_USE_STATIC_LIBS ON)  # only find static libs
 | 
					
						
							|  |  |  |     # If we ever reset above on windows and, ...
 | 
					
						
							|  |  |  |     # If we use Boost shared libs, disable auto linking.
 | 
					
						
							|  |  |  |     # Some libraries, at least Boost Program Options, rely on this to export DLL symbols.
 | 
					
						
							|  |  |  |     if(NOT Boost_USE_STATIC_LIBS)
 | 
					
						
							|  |  |  |         list_append_cache(GTSAM_COMPILE_DEFINITIONS_PUBLIC BOOST_ALL_NO_LIB BOOST_ALL_DYN_LINK)
 | 
					
						
							|  |  |  |     endif()
 | 
					
						
							|  |  |  |     # Virtual memory range for PCH exceeded on VS2015
 | 
					
						
							|  |  |  |     if(MSVC_VERSION LESS 1910) # older than VS2017
 | 
					
						
							|  |  |  |       list_append_cache(GTSAM_COMPILE_OPTIONS_PRIVATE -Zm295)
 | 
					
						
							|  |  |  |     endif()
 | 
					
						
							|  |  |  | endif()
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | # Store these in variables so they are automatically replicated in GTSAMConfig.cmake and such.
 | 
					
						
							| 
									
										
										
										
											2021-08-20 23:10:13 +08:00
										 |  |  | set(BOOST_FIND_MINIMUM_VERSION 1.65)
 | 
					
						
							| 
									
										
										
										
											2020-10-07 00:10:06 +08:00
										 |  |  | set(BOOST_FIND_MINIMUM_COMPONENTS serialization system filesystem thread program_options date_time timer chrono regex)
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | find_package(Boost ${BOOST_FIND_MINIMUM_VERSION} COMPONENTS ${BOOST_FIND_MINIMUM_COMPONENTS})
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | # Required components
 | 
					
						
							|  |  |  | if(NOT Boost_SERIALIZATION_LIBRARY OR NOT Boost_SYSTEM_LIBRARY OR NOT Boost_FILESYSTEM_LIBRARY OR | 
					
						
							|  |  |  |     NOT Boost_THREAD_LIBRARY OR NOT Boost_DATE_TIME_LIBRARY)
 | 
					
						
							| 
									
										
										
										
											2021-08-20 23:10:13 +08:00
										 |  |  |   message(FATAL_ERROR "Missing required Boost components >= v1.65, please install/upgrade Boost or configure your search paths.")
 | 
					
						
							| 
									
										
										
										
											2020-10-07 00:10:06 +08:00
										 |  |  | endif()
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | option(GTSAM_DISABLE_NEW_TIMERS "Disables using Boost.chrono for timing" OFF)
 | 
					
						
							|  |  |  | # Allow for not using the timer libraries on boost < 1.48 (GTSAM timing code falls back to old timer library)
 | 
					
						
							|  |  |  | set(GTSAM_BOOST_LIBRARIES | 
					
						
							|  |  |  |   Boost::serialization
 | 
					
						
							|  |  |  |   Boost::system
 | 
					
						
							|  |  |  |   Boost::filesystem
 | 
					
						
							|  |  |  |   Boost::thread
 | 
					
						
							|  |  |  |   Boost::date_time
 | 
					
						
							|  |  |  |   Boost::regex
 | 
					
						
							|  |  |  | )
 | 
					
						
							|  |  |  | if (GTSAM_DISABLE_NEW_TIMERS)
 | 
					
						
							|  |  |  |     message("WARNING:  GTSAM timing instrumentation manually disabled")
 | 
					
						
							|  |  |  |     list_append_cache(GTSAM_COMPILE_DEFINITIONS_PUBLIC DGTSAM_DISABLE_NEW_TIMERS)
 | 
					
						
							|  |  |  | else()
 | 
					
						
							|  |  |  |     if(Boost_TIMER_LIBRARY)
 | 
					
						
							|  |  |  |       list(APPEND GTSAM_BOOST_LIBRARIES Boost::timer Boost::chrono)
 | 
					
						
							|  |  |  |     else()
 | 
					
						
							|  |  |  |       list(APPEND GTSAM_BOOST_LIBRARIES rt) # When using the header-only boost timer library, need -lrt
 | 
					
						
							|  |  |  |       message("WARNING:  GTSAM timing instrumentation will use the older, less accurate, Boost timer library because boost older than 1.48 was found.")
 | 
					
						
							|  |  |  |     endif()
 | 
					
						
							|  |  |  | endif()
 |