#
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# Copyright 2020 Staysail Systems, Inc. <info@staysail.tech>
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#
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# This software is supplied under the terms of the MIT License, a
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# copy of which should be located in the distribution where this
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# file was obtained (LICENSE.txt). A copy of the license may also be
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# found online at https://opensource.org/licenses/MIT.
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#
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# Some NNG helper functions.
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include(CheckFunctionExists)
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include(CheckSymbolExists)
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include(CheckStructHasMember)
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include(CheckLibraryExists)
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include(CheckCSourceCompiles)
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# nng_sources adds library sources using files in the current directory.
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function(nng_sources)
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foreach (f ${ARGN})
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target_sources(nng PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/${f})
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target_sources(nng_testing PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/${f})
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endforeach ()
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endfunction()
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# nng_headers adds library sources as public headers taken rooted at the include/ directory.
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function(nng_headers)
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foreach (f ${ARGN})
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target_sources(nng PRIVATE ${PROJECT_SOURCE_DIR}/include/${f})
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target_sources(nng_testing PRIVATE ${PROJECT_SOURCE_DIR}/include/${f})
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endforeach ()
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endfunction()
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# nng_defines adds defines unconditionally.
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# The public library keeps these defines private, but the test library exposes these definitions
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# as some of our test cases would like to know details about how the library was compiled
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# as that may modify the tests themselves.
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function(nng_defines)
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target_compile_definitions(nng PRIVATE ${ARGN})
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target_compile_definitions(nng_testing PUBLIC ${ARGN})
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target_compile_definitions(nng_private INTERFACE ${ARGN})
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endfunction()
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# nng_link_libraries adds link dependencies to the libraries.
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function(nng_link_libraries)
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target_link_libraries(nng PRIVATE ${ARGN})
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target_link_libraries(nng_testing PRIVATE ${ARGN})
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endfunction()
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# nng_include_directories adds include directories.
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function(nng_include_directories)
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target_include_directories(nng PRIVATE ${ARGN})
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target_include_directories(nng_testing PRIVATE ${ARGN})
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endfunction()
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# nng_sources_if adds the sources unconditionally to the test library,
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# but conditionally to the production library. This allows us to get
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# full test coverage while allowing a minimized delivery.
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function(nng_sources_if COND)
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foreach (f ${ARGN})
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if (${COND})
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target_sources(nng PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/${f})
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endif ()
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target_sources(nng_testing PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/${f})
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endforeach ()
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endfunction()
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function(nng_headers_if COND)
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foreach (f ${ARGN})
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if (COND)
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target_sources(nng PRIVATE ${PROJECT_SOURCE_DIR}/include/${f})
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endif ()
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target_sources(nng_testing PRIVATE ${PROJECT_SOURCE_DIR}/include/${f})
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endforeach ()
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endfunction()
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function(nng_defines_if COND)
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if (${COND})
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target_compile_definitions(nng PRIVATE ${ARGN})
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target_compile_definitions(nng_private INTERFACE ${ARGN})
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endif ()
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target_compile_definitions(nng_testing PUBLIC ${ARGN})
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endfunction()
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function(nng_link_libraries_if COND)
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if (${COND})
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target_link_libraries(nng PRIVATE ${ARGN})
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endif ()
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target_link_libraries(nng_testing PRIVATE ${ARGN})
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endfunction()
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function(nng_test NAME)
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if (NNG_TESTS)
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add_executable(${NAME} ${NAME}.c ${ARGN})
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target_link_libraries(${NAME} nng_testing)
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target_include_directories(${NAME} PRIVATE
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${PROJECT_SOURCE_DIR}/tests
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${PROJECT_SOURCE_DIR}/src
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${PROJECT_SOURCE_DIR}/include)
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add_test(NAME ${NNG_TEST_PREFIX}.${NAME} COMMAND ${NAME} -t -v)
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set_tests_properties(${NNG_TEST_PREFIX}.${NAME} PROPERTIES TIMEOUT 180)
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endif ()
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endfunction()
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function(nng_test_if COND NAME)
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if (${COND} AND NNG_TESTS)
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add_executable(${NAME} ${NAME}.c ${ARGN})
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target_link_libraries(${NAME} nng_testing)
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target_include_directories(${NAME} PRIVATE
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${PROJECT_SOURCE_DIR}/tests
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${PROJECT_SOURCE_DIR}/src
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${PROJECT_SOURCE_DIR}/include)
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add_test(NAME ${NNG_TEST_PREFIX}.${NAME} COMMAND ${NAME} -t -v)
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set_tests_properties(${NNG_TEST_PREFIX}.${NAME} PROPERTIES TIMEOUT 180)
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endif ()
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endfunction()
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function(nng_check_func SYM DEF)
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check_function_exists(${SYM} ${DEF})
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if (${DEF})
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target_compile_definitions(nng PRIVATE ${DEF}=1)
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target_compile_definitions(nng_testing PUBLIC ${DEF}=1)
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target_compile_definitions(nng_private INTERFACE ${DEF}=1)
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endif ()
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endfunction(nng_check_func)
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function(nng_check_sym SYM HDR DEF)
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check_symbol_exists(${SYM} ${HDR} ${DEF})
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if (${DEF})
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target_compile_definitions(nng PRIVATE ${DEF}=1)
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target_compile_definitions(nng_testing PUBLIC ${DEF}=1)
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target_compile_definitions(nng_private INTERFACE ${DEF}=1)
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endif ()
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endfunction(nng_check_sym)
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function(nng_check_lib LIB SYM DEF)
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check_library_exists(${LIB} ${SYM} "" ${DEF})
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if (${DEF})
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target_compile_definitions(nng PRIVATE ${DEF}=1)
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target_compile_definitions(nng_testing PUBLIC ${DEF}=1)
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target_compile_definitions(nng_private INTERFACE ${DEF}=1)
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target_link_libraries(nng PRIVATE ${LIB})
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target_link_libraries(nng_testing PRIVATE ${LIB})
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endif ()
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endfunction(nng_check_lib)
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function(nng_check_struct_member STR MEM HDR DEF)
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check_struct_has_member("struct ${STR}" ${MEM} ${HDR} ${DEF})
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if (${DEF})
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target_compile_definitions(nng PRIVATE ${DEF}=1)
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target_compile_definitions(nng_testing PUBLIC ${DEF}=1)
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target_compile_definitions(nng_private INTERFACE ${DEF}=1)
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endif ()
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endfunction(nng_check_struct_member)
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macro(nng_directory DIR)
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set(NNG_TEST_PREFIX ${NNG_TEST_PREFIX}.${DIR})
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endmacro(nng_directory)
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