CMakeLists.txt

# The target of the library JADE++ is exported
# as JADEXX::JADEXX to a package config file for JADE++
#
# usage:
#     find_package(JADEXX)
#     ...
#     target_link_library(<target> JADEXX)
#
# the config file is generatet in the build and install directories

cmake_minimum_required(VERSION 3.16)
project(JADEXX VERSION 0.1.0 LANGUAGES CXX)

if(NOT CMAKE_CXX_EXTENSIONS)
    set(CMAKE_CXX_EXTENSIONS OFF)
endif()

# set export variables needed for building
set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
set(NAMESPACE "${PROJECT_NAME}::")

# generate the library and install instructions
add_subdirectory(src/lib)

# testing
if(${PROJECT_SOURCE_DIR} STREQUAL ${CMAKE_SOURCE_DIR})
    set(main_project TRUE)
else()
    set(main_project FALSE)
endif()

include(CMakeDependentOption)
cmake_dependent_option(BUILD_TESTING_${PROJECT_NAME}
     "Build the testing tree for project ${PROJECT_NAME}." OFF
     "BUILD_TESTING;NOT main_project" OFF
)

if (main_project AND NOT DEFINED BUILD_TESTING)
    set(BUILD_TESTING ON)
endif()

if((main_project AND BUILD_TESTING) OR BUILD_TESTING_${PROJECT_NAME})
    enable_testing()
    add_subdirectory(src/tests)
endif()

## generate package config files
#include(GNUInstallDirs)
#set(project_config "${PROJECT_NAME}Config.cmake")
#set(cmake_files_dir "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles")
#set(config_install_dir "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
#set(config_build_dir "${CMAKE_CURRENT_BINARY_DIR}/${config_install_dir}")
#
## export targets for install
#install(EXPORT ${TARGETS_EXPORT_NAME}
#    NAMESPACE
#        ${NAMESPACE}
#    DESTINATION
#        ${config_install_dir}
#    COMPONENT Development
#)
#
## export targets into build
#export(EXPORT ${TARGETS_EXPORT_NAME}
#    NAMESPACE
#        ${NAMESPACE}
#    FILE
#        ${config_build_dir}/${TARGETS_EXPORT_NAME}.cmake
#)
#
##create package config
#include(CMakePackageConfigHelpers)
#configure_package_config_file(cmake/PackageConfig.cmake.in ${cmake_files_dir}/${project_config}
#    INSTALL_DESTINATION ${config_install_dir}
#)
#install(FILES ${cmake_files_dir}/${project_config}
#    DESTINATION ${config_install_dir}
#)
#
#configure_package_config_file(cmake/PackageConfig.cmake.in ${config_build_dir}/${project_config}
#    INSTALL_DESTINATION ${config_build_dir}
#    INSTALL_PREFIX ${CMAKE_CURRENT_BINARY_DIR}
#)