webthing-cpp/CMakeLists.txt at master · bw-hro/webthing-cpp · GitHub

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cmake_minimum_required(VERSION 3.1)
cmake_policy(SET CMP0091 NEW)

message(STATUS "Read contents from vcpkg.json")
file(READ "${CMAKE_SOURCE_DIR}/vcpkg.json" VCPKG_JSON_CONTENT)

message(STATUS "Extract version from vcpkg.json")
string(REGEX MATCH "\"version-string\"[ \t]*:[ \t]*\"([^\"]+)\"" VERSION_MATCH "${VCPKG_JSON_CONTENT}")
if (VERSION_MATCH)
    string(REGEX REPLACE "\"version-string\"[ \t]*:[ \t]*\"([^\"]+)\"" "\\1" WEBTHING_CPP_VERSION "${VERSION_MATCH}")
    message(STATUS "Extracted version from vcpkg.json: ${WEBTHING_CPP_VERSION}")
else()
    message(FATAL_ERROR "Could not extract version from vcpkg.json")
endif()

message(STATUS "Generate version.hpp using version: ${WEBTHING_CPP_VERSION}")
configure_file(
    "${CMAKE_SOURCE_DIR}/tools/templates/version.hpp.in"
    "${CMAKE_SOURCE_DIR}/include/bw/webthing/version.hpp"
)

project(Webthing-CPP VERSION ${WEBTHING_CPP_VERSION} DESCRIPTION "Webthing-CPP a modern CPP implementation of the WebThings API." LANGUAGES CXX)
set(CMAKE_CXX_STANDARD 17)

if(WIN32)
    add_definitions(-DNOMINMAX)
endif(WIN32)

option(WT_UNORDERED_JSON_OBJECT_LAYOUT "Enable unordered json object layout." OFF)
if(WT_UNORDERED_JSON_OBJECT_LAYOUT)
    add_definitions(-DWT_UNORDERED_JSON_OBJECT_LAYOUT)
endif(WT_UNORDERED_JSON_OBJECT_LAYOUT)
message("WT_UNORDERED_JSON_OBJECT_LAYOUT: ${WT_UNORDERED_JSON_OBJECT_LAYOUT}")

option(WT_USE_JSON_SCHEMA_VALIDATION "Enable json schema validation of properties and actions." ON)
if(WT_USE_JSON_SCHEMA_VALIDATION)
    add_definitions(-DWT_USE_JSON_SCHEMA_VALIDATION)
endif(WT_USE_JSON_SCHEMA_VALIDATION)
message("WT_USE_JSON_SCHEMA_VALIDATION: ${WT_USE_JSON_SCHEMA_VALIDATION}")

option(WT_WITH_SSL "Enable SSL support." ON)
if(WT_WITH_SSL)
    add_definitions(-DWT_WITH_SSL)
endif(WT_WITH_SSL)
message("WT_WITH_SSL: ${WT_WITH_SSL}")

set(VCPKG_BUILD_TYPE ${CMAKE_BUILD_TYPE})
message("CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
message("VCPKG_BUILD_TYPE: ${VCPKG_BUILD_TYPE}")

find_package(unofficial-uwebsockets CONFIG REQUIRED)

find_path(MDNS_INCLUDE_DIRS "mdns.h")
message("mdns include dir: ${MDNS_INCLUDE_DIRS}")

find_package(mdns REQUIRED)
find_package(nlohmann_json 3.11.2 REQUIRED)
find_package(nlohmann_json_schema_validator REQUIRED)

if(WT_WITH_SSL)
    find_package(OpenSSL REQUIRED)
endif(WT_WITH_SSL)

option(WT_BUILD_EXAMPLES "build examples" ON)
message("WT_BUILD_EXAMPLES: ${WT_BUILD_EXAMPLES}")
if(WT_BUILD_EXAMPLES)
    add_subdirectory(examples)
endif()

option(WT_BUILD_TESTS "build tests" ON)
message("WT_BUILD_TESTS: ${WT_BUILD_TESTS}")
if(WT_BUILD_TESTS)
    add_subdirectory(test)
endif()

add_library(webthing-cpp INTERFACE)

target_link_libraries(webthing-cpp INTERFACE
    nlohmann_json_schema_validator::validator
    nlohmann_json::nlohmann_json
    unofficial::uwebsockets::uwebsockets
)

target_include_directories(webthing-cpp INTERFACE
    $<BUILD_INTERFACE:"${CMAKE_CURRENT_SOURCE_DIR}/include}">
    $<INSTALL_INTERFACE:include>
)

install(DIRECTORY include/ DESTINATION "${CMAKE_INSTALL_PREFIX}/include")