forked from OSchip/llvm-project
265 lines
8.5 KiB
CMake
265 lines
8.5 KiB
CMake
# This is a helper function and not a build rule. It is to be used by the
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# various test rules to generate the full list of object files
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# recursively produced by "add_entrypoint_object" and "add_object_library"
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# targets.
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# Usage:
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# get_object_files_for_test(<result var>
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# <skipped_entrypoints_var>
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# <target0> [<target1> ...])
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#
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# The list of object files is collected in <result_var>.
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# If skipped entrypoints were found, then <skipped_entrypoints_var> is
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# set to a true value.
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# targetN is either an "add_entrypoint_target" target or an
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# "add_object_library" target.
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function(get_object_files_for_test result skipped_entrypoints_list)
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set(object_files "")
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set(skipped_list "")
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foreach(dep IN LISTS ARGN)
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get_target_property(dep_type ${dep} "TARGET_TYPE")
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if(NOT dep_type)
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# Target for which TARGET_TYPE property is not set do not
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# provide any object files.
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continue()
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endif()
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if(${dep_type} STREQUAL ${OBJECT_LIBRARY_TARGET_TYPE})
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get_target_property(dep_object_files ${dep} "OBJECT_FILES")
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if(dep_object_files)
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list(APPEND object_files ${dep_object_files})
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endif()
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elseif(${dep_type} STREQUAL ${ENTRYPOINT_OBJ_TARGET_TYPE})
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get_target_property(is_skipped ${dep} "SKIPPED")
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if(is_skipped)
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list(APPEND skipped_list ${dep})
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continue()
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endif()
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get_target_property(object_file_raw ${dep} "OBJECT_FILE_RAW")
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if(object_file_raw)
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list(APPEND object_files ${object_file_raw})
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endif()
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endif()
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get_target_property(indirect_deps ${dep} "DEPS")
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get_object_files_for_test(
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indirect_objfiles indirect_skipped_list ${indirect_deps})
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list(APPEND object_files ${indirect_objfiles})
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if(indirect_skipped_list)
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list(APPEND skipped_list ${indirect_skipped_list})
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endif()
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endforeach(dep)
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list(REMOVE_DUPLICATES object_files)
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set(${result} ${object_files} PARENT_SCOPE)
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list(REMOVE_DUPLICATES skipped_list)
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set(${skipped_entrypoints_list} ${skipped_list} PARENT_SCOPE)
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endfunction(get_object_files_for_test)
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# Rule to add a libc unittest.
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# Usage
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# add_libc_unittest(
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# <target name>
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# SUITE <name of the suite this test belongs to>
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# SRCS <list of .cpp files for the test>
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# HDRS <list of .h files for the test>
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# DEPENDS <list of dependencies>
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# COMPILE_OPTIONS <list of special compile options for this target>
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# LINK_OPTIONS <list of special linking options for this target>
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# )
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function(add_libc_unittest target_name)
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if(NOT LLVM_INCLUDE_TESTS)
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return()
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endif()
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cmake_parse_arguments(
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"LIBC_UNITTEST"
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"NO_RUN_POSTBUILD" # Optional arguments
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"SUITE" # Single value arguments
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"SRCS;HDRS;DEPENDS;COMPILE_OPTIONS;LINK_OPTIONS" # Multi-value arguments
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"NO_LIBC_UNITTEST_TEST_MAIN"
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${ARGN}
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)
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if(NOT LIBC_UNITTEST_SRCS)
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message(FATAL_ERROR "'add_libc_unittest' target requires a SRCS list of .cpp "
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"files.")
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endif()
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if(NOT LIBC_UNITTEST_DEPENDS)
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message(FATAL_ERROR "'add_libc_unittest' target requires a DEPENDS list of "
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"'add_entrypoint_object' targets.")
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endif()
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get_fq_target_name(${target_name} fq_target_name)
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get_fq_deps_list(fq_deps_list ${LIBC_UNITTEST_DEPENDS})
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get_object_files_for_test(
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link_object_files skipped_entrypoints_list ${fq_deps_list})
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if(skipped_entrypoints_list)
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# If a test is OS/target machine independent, it has to be skipped if the
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# OS/target machine combination does not provide any dependent entrypoints.
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# If a test is OS/target machine specific, then such a test will live is a
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# OS/target machine specific directory and will be skipped at the directory
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# level if required.
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#
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# There can potentially be a setup like this: A unittest is setup for a
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# OS/target machine independent object library, which in turn depends on a
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# machine specific object library. Such a test would be testing internals of
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# the libc and it is assumed that they will be rare in practice. So, they
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# can be skipped in the corresponding CMake files using platform specific
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# logic. This pattern is followed in the loader tests for example.
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#
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# Another pattern that is present currently is to detect machine
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# capabilities and add entrypoints and tests accordingly. That approach is
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# much lower level approach and is independent of the kind of skipping that
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# is happening here at the entrypoint level.
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set(msg "Skipping unittest ${fq_target_name} as it has missing deps: "
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"${skipped_entrypoints_list}.")
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message(STATUS ${msg})
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return()
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endif()
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add_executable(
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${fq_target_name}
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EXCLUDE_FROM_ALL
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${LIBC_UNITTEST_SRCS}
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${LIBC_UNITTEST_HDRS}
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)
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target_include_directories(
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${fq_target_name}
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PRIVATE
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${LIBC_SOURCE_DIR}
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${LIBC_BUILD_DIR}
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${LIBC_BUILD_DIR}/include
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)
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target_compile_options(
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${fq_target_name}
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PRIVATE ${LIBC_COMPILE_OPTIONS_DEFAULT}
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)
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if(LIBC_UNITTEST_COMPILE_OPTIONS)
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target_compile_options(
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${fq_target_name}
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PRIVATE ${LIBC_UNITTEST_COMPILE_OPTIONS}
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)
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endif()
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target_link_libraries(${fq_target_name} PRIVATE ${link_object_files})
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if(LIBC_UNITTEST_LINK_OPTIONS)
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target_link_options(
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${fq_target_name}
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PRIVATE ${LIBC_UNITTEST_LINK_OPTIONS}
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)
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endif()
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set_target_properties(${fq_target_name}
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PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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add_dependencies(
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${fq_target_name}
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${fq_deps_list}
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)
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if(NO_LIBC_UNITTEST_TEST_MAIN)
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target_link_libraries(${fq_target_name} PRIVATE LibcUnitTest libc_test_utils)
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else()
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target_link_libraries(${fq_target_name} PRIVATE LibcUnitTest LibcUnitTestMain libc_test_utils)
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endif()
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if(NOT LIBC_UNITTEST_NO_RUN_POSTBUILD)
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add_custom_command(
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TARGET ${fq_target_name}
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POST_BUILD
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COMMAND $<TARGET_FILE:${fq_target_name}>
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)
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endif()
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if(LIBC_UNITTEST_SUITE)
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add_dependencies(
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${LIBC_UNITTEST_SUITE}
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${fq_target_name}
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)
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endif()
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endfunction(add_libc_unittest)
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function(add_libc_testsuite suite_name)
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add_custom_target(${suite_name})
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add_dependencies(check-llvmlibc ${suite_name})
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endfunction(add_libc_testsuite)
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function(add_libc_exhaustive_testsuite suite_name)
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add_custom_target(${suite_name})
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add_dependencies(exhaustive-check-libc ${suite_name})
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endfunction(add_libc_exhaustive_testsuite)
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function(add_libc_long_running_testsuite suite_name)
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add_custom_target(${suite_name})
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add_dependencies(libc-long-running-tests ${suite_name})
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endfunction(add_libc_long_running_testsuite)
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# Rule to add a fuzzer test.
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# Usage
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# add_libc_fuzzer(
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# <target name>
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# SRCS <list of .cpp files for the test>
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# HDRS <list of .h files for the test>
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# DEPENDS <list of dependencies>
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# )
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function(add_libc_fuzzer target_name)
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cmake_parse_arguments(
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"LIBC_FUZZER"
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"" # No optional arguments
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"" # Single value arguments
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"SRCS;HDRS;DEPENDS" # Multi-value arguments
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${ARGN}
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)
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if(NOT LIBC_FUZZER_SRCS)
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message(FATAL_ERROR "'add_libc_fuzzer' target requires a SRCS list of .cpp "
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"files.")
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endif()
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if(NOT LIBC_FUZZER_DEPENDS)
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message(FATAL_ERROR "'add_libc_fuzzer' target requires a DEPENDS list of "
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"'add_entrypoint_object' targets.")
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endif()
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get_fq_target_name(${target_name} fq_target_name)
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get_fq_deps_list(fq_deps_list ${LIBC_FUZZER_DEPENDS})
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get_object_files_for_test(
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link_object_files skipped_entrypoints_list ${fq_deps_list})
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if(skipped_entrypoints_list)
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set(msg "Skipping fuzzer target ${fq_target_name} as it has missing deps: "
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"${skipped_entrypoints_list}.")
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message(STATUS ${msg})
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add_custom_target(${fq_target_name})
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# A post build custom command is used to avoid running the command always.
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add_custom_command(
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TARGET ${fq_target_name}
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POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E echo ${msg}
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)
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return()
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endif()
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add_executable(
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${fq_target_name}
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EXCLUDE_FROM_ALL
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${LIBC_FUZZER_SRCS}
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${LIBC_FUZZER_HDRS}
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)
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target_include_directories(
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${fq_target_name}
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PRIVATE
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${LIBC_SOURCE_DIR}
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${LIBC_BUILD_DIR}
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${LIBC_BUILD_DIR}/include
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)
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target_link_libraries(${fq_target_name} PRIVATE ${link_object_files})
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set_target_properties(${fq_target_name}
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PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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add_dependencies(
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${fq_target_name}
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${fq_deps_list}
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)
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add_dependencies(libc-fuzzer ${fq_target_name})
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endfunction(add_libc_fuzzer)
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