CMakeLists.txt

cmake_minimum_required(VERSION 3.22)

project(ipfs-pubsub LANGUAGES CXX)

include(GNUInstallDirs)

message("Protobuf_DIR " ${Protobuf_DIR})
message("IPFS LITE DIR " ${ipfs-lite-cpp_DIR})
find_package(Protobuf CONFIG REQUIRED)

# libp2p and its dependencies
find_package(spdlog CONFIG REQUIRED)
find_package(libp2p CONFIG REQUIRED)
find_package(OpenSSL REQUIRED)
find_package(tsl_hat_trie CONFIG REQUIRED)
find_package(Boost.DI CONFIG REQUIRED)
find_package(soralog CONFIG REQUIRED)
find_package(ipfs-lite-cpp CONFIG REQUIRED)

# BOOST library
find_package(Boost REQUIRED COMPONENTS random filesystem date_time regex)

add_subdirectory(src)

# Tests building
option(BUILD_TESTING "Build tests" OFF)

if(BUILD_TESTING)
    find_package(GTest CONFIG REQUIRED)
    find_package(yaml-cpp CONFIG REQUIRED)
    set_target_properties(yaml-cpp PROPERTIES IMPORTED_GLOBAL TRUE)
    add_library(yaml-cpp::yaml-cpp ALIAS yaml-cpp)
    SET(WIN_CRYPT_LIBRARY)

    if(NOT UNIX)
        SET(WIN_CRYPT_LIBRARY crypt32)
    endif()

    include(cmake/test.cmake)
    enable_testing()
    add_subdirectory(test)
endif()

# Installation setup
set(IPFS_PUBSUB_CONFIG_DESTINATION_DIR "lib/cmake/ipfs-pubsub")

install(DIRECTORY "${CMAKE_SOURCE_DIR}/src/" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" FILES_MATCHING PATTERN "*.hpp")

install(TARGETS ipfs-pubsub EXPORT ipfs-pubsubTargets DESTINATION "${CMAKE_INSTALL_LIBDIR}")

install(EXPORT ipfs-pubsubTargets
    FILE ipfs-pubsubTargets.cmake
    DESTINATION ${IPFS_PUBSUB_CONFIG_DESTINATION_DIR}
)

include(CMakePackageConfigHelpers)

# generate the config file that is includes the exports
configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.cmake.in
    "${CMAKE_CURRENT_BINARY_DIR}/ipfs-pubsubConfig.cmake"
    INSTALL_DESTINATION "lib/cmake/examples"
    NO_SET_AND_CHECK_MACRO
    NO_CHECK_REQUIRED_COMPONENTS_MACRO
)

# generate the version file for the config file
write_basic_package_version_file(
    "${CMAKE_CURRENT_BINARY_DIR}/ipfs-pubsubConfigVersion.cmake"
    VERSION "${ipfs-pubsub_VERSION_MAJOR}.${ipfs-pubsub_VERSION_MINOR}"
    COMPATIBILITY AnyNewerVersion
)

# install the configuration file
install(FILES
    ${CMAKE_CURRENT_BINARY_DIR}/ipfs-pubsubConfig.cmake
    DESTINATION ${IPFS_PUBSUB_CONFIG_DESTINATION_DIR}
)