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cmake_minimum_required(VERSION 3.14.0)
project(cpp-jwt VERSION 1.5.0)
option(CPP_JWT_BUILD_EXAMPLES "build examples" ON)
option(CPP_JWT_BUILD_TESTS "build tests" ON)
option(CPP_JWT_USE_VENDORED_NLOHMANN_JSON "use vendored json header" ON)
list(APPEND CMAKE_MODULE_PATH ${CMAKE_BINARY_DIR})
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_BINARY_DIR})
# only set compiler flags if we are the main project, otherwise let the main
# project decide on the flags
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}"
MATCHES "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
endif()
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
endif()
endif()
find_package(OpenSSL REQUIRED SSL)
if(NOT CPP_JWT_USE_VENDORED_NLOHMANN_JSON)
find_package(nlohmann_json REQUIRED)
endif()
# ##############################################################################
# LIBRARY
# ##############################################################################
add_library(${PROJECT_NAME} INTERFACE)
target_include_directories(
${PROJECT_NAME}
INTERFACE $<BUILD_INTERFACE:${${PROJECT_NAME}_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
target_link_libraries(${PROJECT_NAME} INTERFACE OpenSSL::SSL)
if(NOT CPP_JWT_USE_VENDORED_NLOHMANN_JSON)
target_link_libraries(${PROJECT_NAME} INTERFACE nlohmann_json::nlohmann_json)
else()
target_compile_definitions(${PROJECT_NAME} INTERFACE CPP_JWT_USE_VENDORED_NLOHMANN_JSON)
endif()
target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_14)
add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
# ##############################################################################
# TESTS
# ##############################################################################
if(CPP_JWT_BUILD_TESTS)
find_package(GTest REQUIRED)
include_directories(${GTEST_INCLUDE_DIRS})
enable_testing()
# Recurse into the "Hello" and "Demo" subdirectories. This does not actually
# cause another cmake executable to run. The same process will walk through
# the project's entire directory structure.
add_subdirectory(tests)
endif()
# ##############################################################################
# EXAMPLES
# ##############################################################################
if(CPP_JWT_BUILD_EXAMPLES)
add_subdirectory(examples)
endif()
# ##############################################################################
# INSTALL
# ##############################################################################
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
set(CPP_JWT_CONFIG_INSTALL_DIR ${CMAKE_INSTALL_DATADIR}/cmake/${PROJECT_NAME})
install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}Targets)
install(
EXPORT ${PROJECT_NAME}Targets
DESTINATION ${CPP_JWT_CONFIG_INSTALL_DIR}
NAMESPACE ${PROJECT_NAME}::
COMPONENT dev)
configure_package_config_file(cmake/Config.cmake.in ${PROJECT_NAME}Config.cmake
INSTALL_DESTINATION ${CPP_JWT_CONFIG_INSTALL_DIR}
NO_SET_AND_CHECK_MACRO)
write_basic_package_version_file(${PROJECT_NAME}ConfigVersion.cmake
COMPATIBILITY SameMajorVersion
ARCH_INDEPENDENT)
install(
FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION ${CPP_JWT_CONFIG_INSTALL_DIR}
COMPONENT dev)
if(NOT CPP_JWT_USE_VENDORED_NLOHMANN_JSON)
set(CPP_JWT_VENDORED_NLOHMANN_JSON_INSTALL_PATTERN PATTERN "json" EXCLUDE)
endif()
install(
DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/jwt/
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/jwt
COMPONENT dev
FILES_MATCHING
PATTERN "*.hpp"
PATTERN "*.ipp"
PATTERN "test" EXCLUDE
${CPP_JWT_VENDORED_NLOHMANN_JSON_INSTALL_PATTERN})
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