CMakeLists.txt

cmake_minimum_required(VERSION 3.20)
project(DSALibraries VERSION 1.0.0 LANGUAGES CXX)
include(FetchContent)
enable_testing()
include(CTest)


set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

if (NOT CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
    message(STATUS "This project has a top-level one called [${CMAKE_PROJECT_NAME}]")
else ()
    message(STATUS "This project is a top-level one")
endif ()

FetchContent_Declare(
        googletest
        URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
        DOWNLOAD_EXTRACT_TIMESTAMP TRUE
)

# For Windows: Prevent overriding the parent project's compiler/linker settings
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(googletest)
include(GoogleTest)

option(BUILD_TESTS "Build unit tests" OFF)

add_library(${PROJECT_NAME} STATIC
        include/Containers/Stack/Stack.hpp
        include/Utilities/Exception.hpp
        include/Utilities/Allocator.hpp
        include/Utilities/Memory.hpp
        include/Utilities/Algorithm.hpp
        include/Containers/List/List.hpp
        include/Containers/List/ListIterator.hpp
        include/Containers/List/ListNode.hpp
        include/Containers/List/ListExceptions.hpp
        include/Containers/SList/SList.hpp
        include/Containers/SList/SListIterator.hpp
        include/Containers/SList/SListNode.hpp
        include/Containers/SList/SListExceptions.hpp
        include/Containers/DList/DList.hpp
        include/Containers/DList/DListIterator.hpp
        include/Containers/DList/DListNode.hpp
        include/Containers/DList/DListExceptions.hpp
        include/Containers/CList/CList.hpp
        include/Containers/CList/CListIterator.hpp
        include/Containers/CList/CListNode.hpp
        include/Containers/CList/CListExceptions.hpp
        include/Containers/Vector/VectorBase.hpp
        include/Containers/Vector/VectorExceptions.hpp
        include/Containers/Vector/Vector.hpp
        include/Containers/Vector/VectorIterator.hpp
        include/Utilities/AlignedBuffer.hpp)


target_sources(${PROJECT_NAME}
        PRIVATE
)

target_include_directories(${PROJECT_NAME}
        PRIVATE
        # where the library itself will look for its internal headers
        ${CMAKE_CURRENT_SOURCE_DIR}/src
        PUBLIC
        # where top-level project will look for the library's public headers
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/Containers>
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/Containers/Stack>
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/Containers/List>
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/Containers/SList>
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/Containers/DList>
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/Containers/CList>
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/Vector>
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/Utilities>
        # where external projects will look for the library's public headers
        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)

set_target_properties(${PROJECT_NAME} PROPERTIES LINKER_LANGUAGE CXX)


if (BUILD_TESTS)
    add_executable(tests tests/test_defaults.cpp)
    target_include_directories(tests PRIVATE ${CMAKE_SOURCE_DIR})
    target_link_libraries(tests gtest_main ${PROJECT_NAME})
    gtest_discover_tests(tests)
endif ()


# totally optional listing of include directories
get_property(inclds
        TARGET ${PROJECT_NAME}
        PROPERTY INCLUDE_DIRECTORIES
)
message(STATUS "Listing include directories for ${PROJECT_NAME}...")
# "dumb" listing with "raw" generator expressions on configuration
foreach (pth ${inclds})
    message(STATUS "  ${pth}")
endforeach ()
# actually evaluated generator expressions printed to file on generation
string(JOIN "\n" includeDirectories ${inclds})
file(GENERATE
        OUTPUT "${CMAKE_BINARY_DIR}/include-directories.txt"
        CONTENT ${includeDirectories}
)

# without it public headers won't get installed
set(public_headers
        include/Containers/Stack/Stack.hpp
        include/Utilities/Exception.hpp
        include/Utilities/Allocator.hpp
        include/Utilities/Memory.hpp
        include/Utilities/Algorithm.hpp
        include/Containers/List/List.hpp
        include/Containers/List/ListIterator.hpp
        include/Containers/List/ListNode.hpp
        include/Containers/SList/ListExceptions.hpp
        include/Containers/SList/SList.hpp
        include/Containers/SList/SListIterator.hpp
        include/Containers/SList/SListNode.hpp
        include/Containers/SList/SListExceptions.hpp
        include/Containers/DList/DList.hpp
        include/Containers/DList/DListIterator.hpp
        include/Containers/DList/DListNode.hpp
        include/Containers/DList/DListExceptions.hpp
        include/Containers/CList/CList.hpp
        include/Containers/CList/CListIterator.hpp
        include/Containers/CList/CListNode.hpp
        include/Containers/CList/CListExceptions.hpp
        include/Containers/Vector/VectorBase.hpp
        include/Containers/Vector/VectorExceptions.hpp
        include/Containers/Vector/Vector.hpp
        include/Containers/Vector/VectorIterator.hpp
)

# not for MSVC
if (CMAKE_COMPILER_IS_GNUCXX)
    # compile options for this target only
    # treat warnings as errors
    target_compile_options(${PROJECT_NAME} PRIVATE -Werror)
endif ()

# where to find our CMake modules
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
#message(STATUS "CMake module path: ${CMAKE_MODULE_PATH}")

include(Installing)