cmake_minimum_required(VERSION 3.14)
project(systemc_utils CXX)

set (CMAKE_PREFIX_PATH $ENV{SYSTEMC_HOME})
find_package(SystemCLanguage CONFIG REQUIRED)

# Set CXX std based on SystemC configuration.
set (CMAKE_CXX_STANDARD ${SystemC_CXX_STANDARD} CACHE STRING "C++ standard to build all targets.")

foreach (X IN ITEMS event sc_export sc_export2 minimal_socket browse lt_bus)
    add_executable(${X} src/${X}.cc)
    target_include_directories(${X} PRIVATE src)
    target_compile_options(${X} PRIVATE -Wall -Wextra)
    target_link_libraries(${X} SystemC::systemc)
endforeach()

# -- TESTING -------------------------------------------------------------------

# Fetch googletest.
# https://google.github.io/googletest/quickstart-cmake.html#set-up-a-project
include(FetchContent)
FetchContent_Declare(
    googletest URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
)
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(googletest)

# Generate CTestTestfile.cmake.
enable_testing()
# Include gtest_discover_tests macro.
include(GoogleTest)

foreach(T IN ITEMS lt_bus)
    set(TGT test-${T})
    add_executable(${TGT} test/${T}.cc)
    target_include_directories(${TGT} PRIVATE src)
    target_compile_options(${TGT} PRIVATE -Wall -Wextra)
    target_link_libraries(${TGT} GTest::gmock_main SystemC::systemc)
    gtest_discover_tests(${TGT})
endforeach()