ceph/src/jaegertracing/opentelemetry-cpp/third_party/nlohmann-json/benchmarks/CMakeLists.txt

   1 cmake_minimum_required(VERSION 3.11)
   2 project(JSON_Benchmarks LANGUAGES CXX)
   3
   4 # set compiler flags
   5 if((CMAKE_CXX_COMPILER_ID MATCHES GNU) OR (CMAKE_CXX_COMPILER_ID MATCHES Clang))
   6     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto -DNDEBUG -O3")
   7 endif()
   8
   9 # configure Google Benchmarks
  10 include(FetchContent)
  11 FetchContent_Declare(
  12     benchmark
  13     GIT_REPOSITORY https://github.com/google/benchmark.git
  14     GIT_TAG origin/main
  15     GIT_SHALLOW TRUE
  16 )
  17
  18 FetchContent_GetProperties(benchmark)
  19 if(NOT benchmark_POPULATED)
  20     FetchContent_Populate(benchmark)
  21     set(BENCHMARK_ENABLE_TESTING OFF CACHE INTERNAL "" FORCE)
  22     add_subdirectory(${benchmark_SOURCE_DIR} ${benchmark_BINARY_DIR})
  23 endif()
  24
  25 # download test data
  26 include(${CMAKE_SOURCE_DIR}/../cmake/download_test_data.cmake)
  27
  28 # benchmark binary
  29 add_executable(json_benchmarks src/benchmarks.cpp)
  30 target_compile_features(json_benchmarks PRIVATE cxx_std_11)
  31 target_link_libraries(json_benchmarks benchmark ${CMAKE_THREAD_LIBS_INIT})
  32 add_dependencies(json_benchmarks download_test_data)
  33 target_include_directories(json_benchmarks PRIVATE ${CMAKE_SOURCE_DIR}/../single_include ${CMAKE_BINARY_DIR}/include)