CMakeLists.txt
4.16 KB
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cmake_minimum_required(VERSION 3.10.2)
if(${CMAKE_VERSION} VERSION_LESS 3.11)
cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
else()
cmake_policy(VERSION 3.11)
endif()
# Add cmake dir to module path, so Find*.cmake can be found
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
project(hueplusplus VERSION 1.1.0 LANGUAGES CXX)
# check whether hueplusplus is compiled directly or included as a subdirectory
if(NOT DEFINED hueplusplus_master_project)
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
set(hueplusplus_master_project ON)
else()
set(hueplusplus_master_project OFF)
endif()
endif()
# options to set
option(hueplusplus_TESTS "Build tests" OFF)
option(hueplusplus_EXAMPLES "Build examples" OFF)
option(hueplusplus_NO_EXTERNAL_LIBRARIES "Do not try to use external libraries" OFF)
# Try to find installed packages
if(NOT hueplusplus_NO_EXTERNAL_LIBRARIES)
find_package(MbedTLS)
find_package(nlohmann_json)
endif()
set(NEED_SUBMODULES NOT (${mbedtls_FOUND} AND ${nlohmann_json_FOUND}))
option(CLANG_TIDY_FIX "Perform fixes for Clang-Tidy" OFF)
find_program(CLANG_TIDY_EXE NAMES "clang-tidy" DOC "Path to clang-tidy executable")
if(CLANG_TIDY_EXE)
if(CLANG_TIDY_FIX)
set(DO_CLANG_TIDY "${CLANG_TIDY_EXE}" "-fix")
else()
set(DO_CLANG_TIDY "${CLANG_TIDY_EXE}")
endif()
endif()
# update submodules
find_package(Git QUIET)
if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
option(GIT_SUBMODULE "Check submodules during build" ON)
if(GIT_SUBMODULE AND NEED_SUBMODULES)
message(STATUS "Submodule update")
execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
RESULT_VARIABLE GIT_SUBMOD_RESULT)
if(NOT GIT_SUBMOD_RESULT EQUAL "0")
message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
endif()
endif()
endif()
# Set default build type if none was specified
set(default_build_type "Release")
if(hueplusplus_master_project AND (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES))
message(STATUS "Setting build type to '${default_build_type}' as none was specified")
set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE STRING "Choose the type of build." FORCE)
# Set possible values for cmake-gui
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
"Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif()
# get the correct installation directory for add_library() to work
if(WIN32 AND NOT CYGWIN)
set(DEF_INSTALL_CMAKE_DIR cmake)
else()
set(DEF_INSTALL_CMAKE_DIR lib/cmake/hueplusplus)
endif()
set(INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
# target for uninstall
if(NOT TARGET uninstall)
configure_file(
"${PROJECT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
"${PROJECT_BINARY_DIR}/cmake_uninstall.cmake"
IMMEDIATE @ONLY)
add_custom_target(uninstall
COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
endif()
# if we are on a apple machine this is needed
if (1 AND APPLE)
set(CMAKE_MACOSX_RPATH 1)
endif()
if(NOT mbedtls_FOUND)
# Build mbedtls if not installed
set(USE_STATIC_MBEDTLS_LIBRARY ON)
set(USE_SHARED_MBEDTLS_LIBRARY OFF)
add_subdirectory("lib/mbedtls" EXCLUDE_FROM_ALL)
# Compile the mbedtls library as a static with position independent code,
# because we need it for both a shared and static library
set_property(TARGET mbedtls PROPERTY POSITION_INDEPENDENT_CODE ON)
set_property(TARGET mbedcrypto PROPERTY POSITION_INDEPENDENT_CODE ON)
set_property(TARGET mbedx509 PROPERTY POSITION_INDEPENDENT_CODE ON)
# Aliases for compatibility with find_package
add_library(MbedTLS::mbedtls ALIAS mbedtls)
add_library(MbedTLS::mbedcrypto ALIAS mbedcrypto)
add_library(MbedTLS::mbedx509 ALIAS mbedx509)
endif()
if(NOT nlohmann_json_FOUND)
# Use embedded json
# disable tests for json
set(JSON_BuildTests OFF CACHE INTERNAL "")
add_subdirectory("lib/json" EXCLUDE_FROM_ALL)
endif()
add_subdirectory(src)
# if the user decided to use tests add the subdirectory
if(hueplusplus_TESTS)
add_subdirectory("test")
endif()
if(hueplusplus_EXAMPLES)
add_subdirectory("examples")
endif()