The foreign module of the keynub_licdongle pack (c/keynub_licdongle4pl.c).

# # `swipl pack install` runs configure, build, install and ctest here and # passes -DSWIPL=<the swipl that installs the pack>. Built on its own, the # swipl on the PATH is used: # # cmake -S . -B build && cmake --build build && cmake --install build # # The install step puts the module into lib/<arch>/, where the pack loads it # from. The module does not link against the KeyNub library. cmake_minimum_required(VERSION 3.10) project(keynub_licdongle4pl C)

if(NOT SWIPL) find_program(SWIPL NAMES swipl) endif() if(NOT SWIPL) message(FATAL_ERROR "swipl was not found; pass -DSWIPL=<path to swipl>") endif()

execute_process(COMMAND "${SWIPL}" --dump-runtime-variables OUTPUT_VARIABLE swipl_variables RESULT_VARIABLE swipl_result) if(NOT swipl_result EQUAL 0) message(FATAL_ERROR "${SWIPL} --dump-runtime-variables failed") endif() foreach(name PLBASE PLARCH PLSOEXT PLLIBDIR) if(swipl_variables MATCHES "(^|\n)${name}=\"([^\"]*)\"") set(${name} "${CMAKE_MATCH_2}") else() message(FATAL_ERROR "${SWIPL} does not report ${name}") endif() endforeach() message(STATUS "SWI-Prolog ${PLBASE} (${PLARCH})")

add_library(keynub_licdongle4pl MODULE c/keynub_licdongle4pl.c) target_include_directories(keynub_licdongle4pl PRIVATE "${PLBASE}/include") set_target_properties(keynub_licdongle4pl PROPERTIES PREFIX "" SUFFIX ".${PLSOEXT}" C_STANDARD 99 C_VISIBILITY_PRESET hidden)

if(WIN32) # Windows resolves the SWI-Prolog API at link time, against libswipl. if(MSVC) find_file(swipl_import_library libswipl.lib PATHS "${PLLIBDIR}" "${PLBASE}/lib" NO_DEFAULT_PATH) else() find_file(swipl_import_library NAMES libswipl.dll.a libswipl.lib PATHS "${PLLIBDIR}" "${PLBASE}/lib" NO_DEFAULT_PATH) endif() if(NOT swipl_import_library) message(FATAL_ERROR "no libswipl import library under ${PLLIBDIR}") endif() target_link_libraries(keynub_licdongle4pl PRIVATE "${swipl_import_library}") elseif(APPLE) # macOS resolves the SWI-Prolog API from the process that loads the module. set_target_properties(keynub_licdongle4pl PROPERTIES LINK_FLAGS "-undefined dynamic_lookup") else() target_link_libraries(keynub_licdongle4pl PRIVATE ${CMAKE_DL_LIBS}) endif()

install(TARGETS keynub_licdongle4pl LIBRARY DESTINATION "${CMAKE_CURRENT_SOURCE_DIR}/lib/${PLARCH}")

The unit tests, which need no KeyNub library and no dongle.

enable_testing() add_test(NAME unit COMMAND "${SWIPL}" -p "foreign=$TARGET_FILE_DIR:keynub_licdongle4pl" "${CMAKE_CURRENT_SOURCE_DIR}/test/unit_test.pl" WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}")