cppdotenv/CMakeLists.txt at main · fox1245/cppdotenv · GitHub

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cmake_minimum_required(VERSION 3.14)
project(cppdotenv VERSION 0.1.0 LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

option(CPPDOTENV_BUILD_TESTS "Build cppdotenv tests" ON)
option(CPPDOTENV_BUILD_EXAMPLES "Build cppdotenv examples" ON)

add_library(cppdotenv INTERFACE)
add_library(cppdotenv::cppdotenv ALIAS cppdotenv)

target_include_directories(cppdotenv INTERFACE
    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
    $<INSTALL_INTERFACE:include>
)

target_compile_features(cppdotenv INTERFACE cxx_std_17)

if(CPPDOTENV_BUILD_TESTS)
    enable_testing()
    add_subdirectory(tests)
endif()

if(CPPDOTENV_BUILD_EXAMPLES)
    add_subdirectory(examples)
endif()

include(GNUInstallDirs)
include(CMakePackageConfigHelpers)

install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(TARGETS cppdotenv EXPORT cppdotenvTargets)
install(EXPORT cppdotenvTargets
    FILE cppdotenvTargets.cmake
    NAMESPACE cppdotenv::
    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/cppdotenv
)

configure_package_config_file(
    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/cppdotenvConfig.cmake.in
    ${CMAKE_CURRENT_BINARY_DIR}/cppdotenvConfig.cmake
    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/cppdotenv
)
write_basic_package_version_file(
    ${CMAKE_CURRENT_BINARY_DIR}/cppdotenvConfigVersion.cmake
    VERSION ${PROJECT_VERSION}
    COMPATIBILITY SameMajorVersion
)
install(FILES
    ${CMAKE_CURRENT_BINARY_DIR}/cppdotenvConfig.cmake
    ${CMAKE_CURRENT_BINARY_DIR}/cppdotenvConfigVersion.cmake
    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/cppdotenv
)