Make osrm-routed optional (#6144)

* Make osrm-routed optional

* Updated changelog

* require boost 1.60

* Update CMakeLists.txt

* Update CHANGELOG.md

Co-authored-by: Michael Bell <michael@mjjbell.com>

CHANGELOG.md

@@ -6,6 +6,7 @@
       - CHANGED: Use Github Actions for building container images [#6138](https://github.com/Project-OSRM/osrm-backend/pull/6138)
       - CHANGED: Upgrade Boost dependency to 1.70 [#6113](https://github.com/Project-OSRM/osrm-backend/pull/6113)
       - CHANGED: Upgrade Ubuntu CI builds to 20.04  [#6119](https://github.com/Project-OSRM/osrm-backend/pull/6119)
+      - CHANGED: Make building osrm-routed optional [#6144](https://github.com/Project-OSRM/osrm-backend/pull/6144)
 
 # 5.26.0
   - Changes from 5.25.0

CMakeLists.txt

@@ -22,6 +22,7 @@ option(ENABLE_MASON "Use mason for dependencies" OFF)
 option(ENABLE_CCACHE "Speed up incremental rebuilds via ccache" ON)
 option(BUILD_TOOLS "Build OSRM tools" OFF)
 option(BUILD_PACKAGE "Build OSRM package" OFF)
+option(BUILD_ROUTED "Build osrm-routed HTTP server" ON)
 option(ENABLE_ASSERTIONS "Use assertions in release mode" OFF)
 option(ENABLE_DEBUG_LOGGING "Use debug logging in release mode" OFF)
 option(ENABLE_COVERAGE "Build with coverage instrumentalisation" OFF)
@@ -162,15 +163,18 @@ add_library(CONTRACTOR OBJECT ${ContractorGlob})
 add_library(UPDATER OBJECT ${UpdaterGlob})
 add_library(STORAGE OBJECT ${StorageGlob})
 add_library(ENGINE OBJECT ${EngineGlob})
-add_library(SERVER OBJECT ${ServerGlob})
+
+if (BUILD_ROUTED) 
+  add_library(SERVER OBJECT ${ServerGlob})
+  add_executable(osrm-routed src/tools/routed.cpp $<TARGET_OBJECTS:SERVER> $<TARGET_OBJECTS:UTIL>)
+endif()
 
 set_target_properties(UTIL PROPERTIES LINKER_LANGUAGE CXX)
 
 add_executable(osrm-extract src/tools/extract.cpp)
 add_executable(osrm-partition src/tools/partition.cpp)
 add_executable(osrm-customize src/tools/customize.cpp)
 add_executable(osrm-contract src/tools/contract.cpp)
-add_executable(osrm-routed src/tools/routed.cpp $<TARGET_OBJECTS:SERVER> $<TARGET_OBJECTS:UTIL>)
 add_executable(osrm-datastore src/tools/store.cpp $<TARGET_OBJECTS:MICROTAR> $<TARGET_OBJECTS:UTIL>)
 add_library(osrm src/osrm/osrm.cpp $<TARGET_OBJECTS:ENGINE> $<TARGET_OBJECTS:STORAGE> $<TARGET_OBJECTS:MICROTAR> $<TARGET_OBJECTS:UTIL>)
 add_library(osrm_contract src/osrm/contractor.cpp $<TARGET_OBJECTS:CONTRACTOR> $<TARGET_OBJECTS:UTIL>)
@@ -520,8 +524,12 @@ if(ENABLE_MASON)
   # expat and bzip2 are used from mason rather than the system
   include_directories(SYSTEM ${CMAKE_CURRENT_SOURCE_DIR}/third_party/libosmium/include)
 else()
-
-  find_package(Boost 1.70 REQUIRED COMPONENTS ${BOOST_COMPONENTS})
+  if (BUILD_ROUTED)
+    # osrm-routed requires newer boost:asio 
+    find_package(Boost 1.70 REQUIRED COMPONENTS ${BOOST_COMPONENTS})
+  else()
+    find_package(Boost 1.60 REQUIRED COMPONENTS ${BOOST_COMPONENTS})
+  endif()
   add_dependency_includes(${Boost_INCLUDE_DIRS})
 
   find_package(TBB REQUIRED)
@@ -614,7 +622,9 @@ target_link_libraries(osrm-extract osrm_extract ${Boost_PROGRAM_OPTIONS_LIBRARY}
 target_link_libraries(osrm-partition osrm_partition ${Boost_PROGRAM_OPTIONS_LIBRARY})
 target_link_libraries(osrm-customize osrm_customize ${Boost_PROGRAM_OPTIONS_LIBRARY})
 target_link_libraries(osrm-contract osrm_contract ${Boost_PROGRAM_OPTIONS_LIBRARY})
-target_link_libraries(osrm-routed osrm ${Boost_PROGRAM_OPTIONS_LIBRARY} ${OPTIONAL_SOCKET_LIBS} ${ZLIB_LIBRARY})
+if (BUILD_ROUTED)
+  target_link_libraries(osrm-routed osrm ${Boost_PROGRAM_OPTIONS_LIBRARY} ${OPTIONAL_SOCKET_LIBS} ${ZLIB_LIBRARY})
+endif()
 
 set(EXTRACTOR_LIBRARIES
     ${BZIP2_LIBRARIES}
@@ -719,7 +729,9 @@ set_property(TARGET osrm-extract PROPERTY INSTALL_RPATH_USE_LINK_PATH TRUE)
 set_property(TARGET osrm-partition PROPERTY INSTALL_RPATH_USE_LINK_PATH TRUE)
 set_property(TARGET osrm-contract PROPERTY INSTALL_RPATH_USE_LINK_PATH TRUE)
 set_property(TARGET osrm-datastore PROPERTY INSTALL_RPATH_USE_LINK_PATH TRUE)
-set_property(TARGET osrm-routed PROPERTY INSTALL_RPATH_USE_LINK_PATH TRUE)
+if (BUILD_ROUTED)
+  set_property(TARGET osrm-routed PROPERTY INSTALL_RPATH_USE_LINK_PATH TRUE)
+endif()
 
 file(GLOB VariantGlob third_party/variant/include/mapbox/*.hpp)
 file(GLOB FlatbuffersGlob third_party/flatbuffers/include/flatbuffers/*.h)
@@ -748,7 +760,9 @@ install(TARGETS osrm-partition DESTINATION bin)
 install(TARGETS osrm-customize DESTINATION bin)
 install(TARGETS osrm-contract DESTINATION bin)
 install(TARGETS osrm-datastore DESTINATION bin)
-install(TARGETS osrm-routed DESTINATION bin)
+if (BUILD_ROUTED)
+  install(TARGETS osrm-routed DESTINATION bin)
+endif()
 install(TARGETS osrm DESTINATION lib)
 install(TARGETS osrm_extract DESTINATION lib)
 install(TARGETS osrm_partition DESTINATION lib)

unit_tests/CMakeLists.txt

@@ -114,10 +114,12 @@ add_executable(library-partition-tests
     EXCLUDE_FROM_ALL
     ${LibraryPartitionTestsSources})
 
-add_executable(server-tests
+if (BUILD_ROUTED)
+  add_executable(server-tests
 	EXCLUDE_FROM_ALL
 	${ServerTestsSources}
 	$<TARGET_OBJECTS:UTIL> $<TARGET_OBJECTS:SERVER>)
+endif()
 
 add_executable(util-tests
 	EXCLUDE_FROM_ALL
@@ -170,7 +172,9 @@ target_link_libraries(library-extract-tests osrm_extract osrm_guidance ${Boost_U
 target_link_libraries(library-contract-tests osrm_contract ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
 target_link_libraries(library-customize-tests osrm_customize ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
 target_link_libraries(library-partition-tests osrm_partition ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
-target_link_libraries(server-tests osrm ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
+if (BUILD_ROUTED)
+  target_link_libraries(server-tests osrm ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
+endif()
 target_link_libraries(util-tests ${UTIL_LIBRARIES} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
 target_link_libraries(contractor-tests osrm_contract ${CONTRACTOR_LIBRARIES} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
 target_link_libraries(storage-tests osrm_store ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})