# CMake configuration file for Benchmark subdirectory.
# Top level docs for 3.1.3 at: https://cmake.org/cmake/help/v3.1/
# Commands herein described at: https://cmake.org/cmake/help/v3.1/manual/cmake-commands.7.html

# Hides options.
mark_as_advanced(FORCE LIBRT)
mark_as_advanced(FORCE BENCHMARK_BUILD_32_BITS)
mark_as_advanced(FORCE BENCHMARK_ENABLE_EXCEPTIONS)
mark_as_advanced(FORCE BENCHMARK_ENABLE_INSTALL)
mark_as_advanced(FORCE BENCHMARK_ENABLE_TESTING)
mark_as_advanced(FORCE BENCHMARK_ENABLE_LTO)
mark_as_advanced(FORCE BENCHMARK_ENABLE_DOXYGEN)
mark_as_advanced(FORCE BENCHMARK_USE_LIBCXX)
mark_as_advanced(FORCE BENCHMARK_INSTALL_DOCS)

set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Enable testing of the benchmark library.")
set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Enable installation of the benchmark library.")
set(BENCHMARK_INSTALL_DOCS OFF CACHE BOOL "Enable installation of docs.")

if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/googlebench/src")
    add_subdirectory(googlebench)
else()
    include(FetchContent)
    message(STATUS "Attempting to fetch googlebench source code.")
    FetchContent_Declare(
        googlebench
        GIT_REPOSITORY https://github.com/google/benchmark.git
        GIT_TAG 0ce66c00f5e41ba7480e3ad6b6673d5b94abf412
    )
    FetchContent_MakeAvailable(googlebench)
endif()

set(Benchmark_SRCS
    BenchmarkMain.cpp)

# Add an executable to the project using specified source files.
# See details at: https://cmake.org/cmake/help/v3.1/command/add_executable.html
add_executable(Benchmark ${Benchmark_SRCS})

# Link a target to given libraries.
# See details at: https://cmake.org/cmake/help/v3.1/command/target_link_libraries.html
target_link_libraries(Benchmark PlayRho::PlayRho benchmark::benchmark)

# link with coverage library
if(${PLAYRHO_ENABLE_COVERAGE})
    if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
        # Use -ftest-coverage to generate .gcno notes files.
        # Use -fprofile-arcs to generate .gcda count data files when resulting objects are run.
        target_link_libraries(Benchmark -fprofile-arcs -ftest-coverage)
    endif()
endif()

if(PLAYRHO_INSTALL)
    include(GNUInstallDirs)
    install(TARGETS Benchmark
            RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
            COMPONENT Applications)
endif()