Download googlebenchmark if not found; requires cmake 3.11

This commit is contained in:
kitattyor 2020-10-17 20:59:04 +08:00
parent cbe9448650
commit 5567ed01e5

View File

@ -9,7 +9,24 @@ if(NOT TARGET spdlog)
endif()
find_package(Threads REQUIRED)
find_package(benchmark CONFIG REQUIRED)
find_package(benchmark CONFIG)
if (NOT benchmark_FOUND)
message(STATUS "Using CMake Version ${CMAKE_VERSION}")
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.11.0")
# User can fetch googlebenchmark
message(STATUS "Downloading GoogleBenchmark")
include(FetchContent)
set(BENCHMARK_ENABLE_GTEST_TESTS OFF CACHE INTERNAL "")
# Do not build and run googlebenchmark tests
FetchContent_Declare(googlebenchmark
GIT_REPOSITORY https://github.com/google/benchmark.git
GIT_TAG v1.5.2)
FetchContent_MakeAvailable(googlebenchmark)
else()
message(FATAL_ERROR "GoogleBenchmark is missing. Use CMake >= 3.11 or download it")
endif()
endif()
add_executable(bench bench.cpp)
spdlog_enable_warnings(bench)