message(STATUS "\n==== Benchmark programs ====\n")

#--------------------------------------------------------------
# Always use full RPATH (differentiating between the build and install trees)

# use, i.e. don't skip the full RPATH for the build tree
set(CMAKE_SKIP_BUILD_RPATH  FALSE)

# when building, don't use the install RPATH already
# (but later on when installing)
set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)

set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")

# add the automatically determined parts of the RPATH
# which point to directories outside the build tree to the install RPATH
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)

# the RPATH to be used when installing, but only if it's not a system directory
list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
if("${isSystemDir}" STREQUAL "-1")
   set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
endif("${isSystemDir}" STREQUAL "-1")

#--------------------------------------------------------------

# Enable creation of "application bundles" on MacOSX, necessary for Irrlicht-based demos.
# For simplicity and consistency, we enable here MACOSX_BUNDLE for all subsequent programs.

if(APPLE)
    set(CMAKE_MACOSX_BUNDLE OFF)
    set(MACOSX_BUNDLE_INFO_PLIST "${PROJECT_SOURCE_DIR}/cmake/MacOSXBundleInfo.plist.in")
endif()

#--------------------------------------------------------------
# Add path to google benchmark

include_directories(${PROJECT_SOURCE_DIR}/src/chrono_thirdparty/googlebenchmark/include)

#--------------------------------------------------------------

# Convenience function to build and install benchmark tests from a list
function(build_btests TESTS LIBS)

    # Get optional list of additional files
    if(${ARGC} GREATER 2)
      set(EXTRA_FILES ${ARGV2})
    else()
      set(EXTRA_FILES "")
    endif()
    
    # Build all tests in the list TESTS, linking to LIBS
    foreach(PROGRAM ${TESTS})
        add_executable(${PROGRAM} ${PROGRAM}.cpp ${EXTRA_FILES})
        source_group(""  FILES ${PROGRAM}.cpp ${EXTRA_FILES})
    
        set_target_properties(${PROGRAM} PROPERTIES FOLDER demos)
        if(APPLE)
          set_target_properties(${PROGRAM} PROPERTIES MACOSX_BUNDLE_INFO_PLIST ${MACOSX_BUNDLE_INFO_PLIST})
        endif()
        if(MSVC)
          set_target_properties(${PROGRAM} PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY "$<TARGET_FILE_DIR:${PROGRAM}>")
          set_target_properties(${PROGRAM} PROPERTIES MSVC_RUNTIME_LIBRARY ${CH_MSVC_RUNTIME_LIBRARY})
        endif()

        target_include_directories(${PROGRAM} PRIVATE "${CMAKE_SOURCE_DIR}/src/chrono_thirdparty")
        target_link_libraries(${PROGRAM} ${LIBS} benchmark_main)
        
        install(TARGETS ${PROGRAM} CONFIGURATIONS Release DESTINATION ${CH_INSTALL_DEMO})
    endforeach()

endfunction()

#--------------------------------------------------------------
# Propagate to subdirectories

option(BUILD_BENCHMARKING_BASE "Build benchmark tests for base Chrono module" TRUE)
mark_as_advanced(FORCE BUILD_BENCHMARKING_BASE)
if(BUILD_BENCHMARKING_BASE)
    add_subdirectory(physics)
endif()

option(BUILD_BENCHMARKING_FEA "Build benchmark tests for FEA" TRUE)
mark_as_advanced(FORCE BUILD_BENCHMARKING_FEA)
if(BUILD_BENCHMARKING_FEA)
    add_subdirectory(fea)
endif()

option(BUILD_BENCHMARKING_MULTICORE "Build benchmark tests for MULTICORE module" TRUE)
mark_as_advanced(FORCE BUILD_BENCHMARKING_MULTICORE)
if(BUILD_BENCHMARKING_MULTICORE)
    add_subdirectory(multicore)
endif()

option(BUILD_BENCHMARKING_VEHICLE "Build benchmark tests for VEHICLE module" TRUE)
mark_as_advanced(FORCE BUILD_BENCHMARKING_VEHICLE)
if(BUILD_BENCHMARKING_VEHICLE)
    add_subdirectory(vehicle)
endif()

option(BUILD_BENCHMARKING_SENSOR "Build benchmark tests for SENSOR module" TRUE)
mark_as_advanced(FORCE BUILD_BENCHMARKING_SENSOR)
if(BUILD_BENCHMARKING_SENSOR)
    add_subdirectory(sensor)
endif()

option(BUILD_BENCHMARKING_SCM "Build benchmark tests for SCM scaling" TRUE)
mark_as_advanced(FORCE BUILD_BENCHMARKING_SCM)
if(BUILD_BENCHMARKING_SCM)
    add_subdirectory(scm)
endif()

option(BUILD_BENCHMARKING_FSI_SPH "Build benchmark tests for FSI-SPH" TRUE)
mark_as_advanced(FORCE BUILD_BENCHMARKING_FSI_SPH)
if(BUILD_BENCHMARKING_FSI_SPH)
    add_subdirectory(fsi/sph)
endif()

option(BUILD_BENCHMARKING_FSI_TDPF "Build benchmark tests for FSI-TDPF" TRUE)
mark_as_advanced(FORCE BUILD_BENCHMARKING_FSI_TDPF)
if(BUILD_BENCHMARKING_FSI_TDPF)
    add_subdirectory(fsi/tdpf)
endif()