# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT license.

set(LLVMAR_EXECUTABLE ${CMAKE_AR})
set(LLVMNM_EXECUTABLE ${CMAKE_NM})
set(LLVMRANLIB_EXECUTABLE ${CMAKE_RANLIB})
set(LLVM_FILECHECK_EXE ${CMAKE_CXX_COMPILER_AR}/../FileCheck)
set(BENCHMARK_ENABLE_GTEST_TESTS OFF CACHE BOOL "" FORCE)
set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "" FORCE)
set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
set(BENCHMARK_ENABLE_LTO OFF CACHE BOOL "" FORCE)
mark_as_advanced(LIBRT)
mark_as_advanced(LLVM_FILECHECK_EXE)
mark_as_advanced(BENCHMARK_BUILD_32_BITS)
mark_as_advanced(BENCHMARK_DOWNLOAD_DEPENDENCIES)
mark_as_advanced(BENCHMARK_ENABLE_ASSEMBLY_TESTS)
mark_as_advanced(BENCHMARK_ENABLE_EXCEPTIONS)
mark_as_advanced(BENCHMARK_ENABLE_GTEST_TESTS)
mark_as_advanced(BENCHMARK_ENABLE_INSTALL)
mark_as_advanced(BENCHMARK_ENABLE_LTO)
mark_as_advanced(BENCHMARK_ENABLE_TESTING)
mark_as_advanced(BENCHMARK_USE_LIBCXX)
mark_as_advanced(FETCHCONTENT_SOURCE_DIR_BENCHMARK)
mark_as_advanced(FETCHCONTENT_UPDATES_DISCONNECTED_BENCHMARK)

if(NOT WIN32)
    # Google Benchmark contains unsafe conversions so force -Wno-conversion temporarily
    set(OLD_CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    set(CMAKE_CXX_FLAGS "${OLD_CMAKE_CXX_FLAGS} -Wno-conversion")
endif()

add_subdirectory(
    ${CMAKE_SOURCE_DIR}/thirdparty/benchmark
    ${CMAKE_BINARY_DIR}/thirdparty/benchmark
    EXCLUDE_FROM_ALL)

if(NOT WIN32)
    set(CMAKE_CXX_FLAGS ${OLD_CMAKE_CXX_FLAGS})
endif()