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d6877e6c40
The cmake_parse_arguments command is builtin with version 3.5. The CMakeParseArguments module is empty and exists for backwards compatibility with CMake 3.4 and lower. Remove the includes of CMakeParseArguments from CMake's modules. The modules are always used with the current version of CMake. Leave the includes in the tests, as the tests may be run with an older version of CMake.
291 lines
9.8 KiB
CMake
291 lines
9.8 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# CTestCoverageCollectGCOV
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# ------------------------
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#
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# This module provides the ``ctest_coverage_collect_gcov`` function.
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#
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# This function runs gcov on all .gcda files found in the binary tree
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# and packages the resulting .gcov files into a tar file.
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# This tarball also contains the following:
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#
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# * *data.json* defines the source and build directories for use by CDash.
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# * *Labels.json* indicates any :prop_sf:`LABELS` that have been set on the
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# source files.
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# * The *uncovered* directory holds any uncovered files found by
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# :variable:`CTEST_EXTRA_COVERAGE_GLOB`.
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#
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# After generating this tar file, it can be sent to CDash for display with the
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# :command:`ctest_submit(CDASH_UPLOAD)` command.
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#
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# .. command:: cdash_coverage_collect_gcov
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#
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# ::
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#
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# ctest_coverage_collect_gcov(TARBALL <tarfile>
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# [SOURCE <source_dir>][BUILD <build_dir>]
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# [GCOV_COMMAND <gcov_command>]
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# [GCOV_OPTIONS <options>...]
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# )
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#
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# Run gcov and package a tar file for CDash. The options are:
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#
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# ``TARBALL <tarfile>``
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# Specify the location of the ``.tar`` file to be created for later
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# upload to CDash. Relative paths will be interpreted with respect
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# to the top-level build directory.
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#
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# ``SOURCE <source_dir>``
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# Specify the top-level source directory for the build.
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# Default is the value of :variable:`CTEST_SOURCE_DIRECTORY`.
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#
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# ``BUILD <build_dir>``
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# Specify the top-level build directory for the build.
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# Default is the value of :variable:`CTEST_BINARY_DIRECTORY`.
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#
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# ``GCOV_COMMAND <gcov_command>``
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# Specify the full path to the ``gcov`` command on the machine.
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# Default is the value of :variable:`CTEST_COVERAGE_COMMAND`.
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#
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# ``GCOV_OPTIONS <options>...``
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# Specify options to be passed to gcov. The ``gcov`` command
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# is run as ``gcov <options>... -o <gcov-dir> <file>.gcda``.
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# If not specified, the default option is just ``-b``.
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#
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# ``GLOB``
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# Recursively search for .gcda files in build_dir rather than
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# determining search locations by reading TargetDirectories.txt.
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#
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# ``DELETE``
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# Delete coverage files after they've been packaged into the .tar.
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#
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# ``QUIET``
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# Suppress non-error messages that otherwise would have been
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# printed out by this function.
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function(ctest_coverage_collect_gcov)
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set(options QUIET GLOB DELETE)
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set(oneValueArgs TARBALL SOURCE BUILD GCOV_COMMAND)
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set(multiValueArgs GCOV_OPTIONS)
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cmake_parse_arguments(GCOV "${options}" "${oneValueArgs}"
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"${multiValueArgs}" "" ${ARGN} )
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if(NOT DEFINED GCOV_TARBALL)
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message(FATAL_ERROR
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"TARBALL must be specified. for ctest_coverage_collect_gcov")
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endif()
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if(NOT DEFINED GCOV_SOURCE)
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set(source_dir "${CTEST_SOURCE_DIRECTORY}")
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else()
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set(source_dir "${GCOV_SOURCE}")
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endif()
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if(NOT DEFINED GCOV_BUILD)
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set(binary_dir "${CTEST_BINARY_DIRECTORY}")
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else()
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set(binary_dir "${GCOV_BUILD}")
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endif()
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if(NOT DEFINED GCOV_GCOV_COMMAND)
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set(gcov_command "${CTEST_COVERAGE_COMMAND}")
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else()
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set(gcov_command "${GCOV_GCOV_COMMAND}")
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endif()
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# run gcov on each gcda file in the binary tree
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set(gcda_files)
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set(label_files)
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if (GCOV_GLOB)
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file(GLOB_RECURSE gfiles RELATIVE ${binary_dir} "${binary_dir}/*.gcda")
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list(LENGTH gfiles len)
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# if we have gcda files then also grab the labels file for that target
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if(${len} GREATER 0)
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file(GLOB_RECURSE lfiles RELATIVE ${binary_dir} "${binary_dir}/Labels.json")
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list(APPEND gcda_files ${gfiles})
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list(APPEND label_files ${lfiles})
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endif()
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else()
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# look for gcda files in the target directories
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# this will be faster and only look where the files will be
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file(STRINGS "${binary_dir}/CMakeFiles/TargetDirectories.txt" target_dirs
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ENCODING UTF-8)
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foreach(target_dir ${target_dirs})
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file(GLOB_RECURSE gfiles RELATIVE ${binary_dir} "${target_dir}/*.gcda")
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list(LENGTH gfiles len)
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# if we have gcda files then also grab the labels file for that target
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if(${len} GREATER 0)
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file(GLOB_RECURSE lfiles RELATIVE ${binary_dir}
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"${target_dir}/Labels.json")
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list(APPEND gcda_files ${gfiles})
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list(APPEND label_files ${lfiles})
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endif()
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endforeach()
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endif()
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# return early if no coverage files were found
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list(LENGTH gcda_files len)
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if(len EQUAL 0)
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if (NOT GCOV_QUIET)
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message("ctest_coverage_collect_gcov: No .gcda files found, "
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"ignoring coverage request.")
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endif()
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return()
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endif()
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# setup the dir for the coverage files
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set(coverage_dir "${binary_dir}/Testing/CoverageInfo")
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file(MAKE_DIRECTORY "${coverage_dir}")
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# call gcov on each .gcda file
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foreach (gcda_file ${gcda_files})
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# get the directory of the gcda file
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get_filename_component(gcda_file ${binary_dir}/${gcda_file} ABSOLUTE)
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get_filename_component(gcov_dir ${gcda_file} DIRECTORY)
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# run gcov, this will produce the .gcov file in the current
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# working directory
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if(NOT DEFINED GCOV_GCOV_OPTIONS)
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set(GCOV_GCOV_OPTIONS -b)
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endif()
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execute_process(COMMAND
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${gcov_command} ${GCOV_GCOV_OPTIONS} -o ${gcov_dir} ${gcda_file}
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OUTPUT_VARIABLE out
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RESULT_VARIABLE res
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WORKING_DIRECTORY ${coverage_dir})
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if (GCOV_DELETE)
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file(REMOVE ${gcda_file})
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endif()
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endforeach()
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if(NOT "${res}" EQUAL 0)
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if (NOT GCOV_QUIET)
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message(STATUS "Error running gcov: ${res} ${out}")
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endif()
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endif()
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# create json file with project information
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file(WRITE ${coverage_dir}/data.json
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"{
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\"Source\": \"${source_dir}\",
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\"Binary\": \"${binary_dir}\"
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}")
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# collect the gcov files
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set(unfiltered_gcov_files)
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file(GLOB_RECURSE unfiltered_gcov_files RELATIVE ${binary_dir} "${coverage_dir}/*.gcov")
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# if CTEST_EXTRA_COVERAGE_GLOB was specified we search for files
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# that might be uncovered
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if (DEFINED CTEST_EXTRA_COVERAGE_GLOB)
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set(uncovered_files)
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foreach(search_entry IN LISTS CTEST_EXTRA_COVERAGE_GLOB)
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if(NOT GCOV_QUIET)
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message("Add coverage glob: ${search_entry}")
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endif()
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file(GLOB_RECURSE matching_files "${source_dir}/${search_entry}")
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if (matching_files)
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list(APPEND uncovered_files "${matching_files}")
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endif()
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endforeach()
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endif()
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set(gcov_files)
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foreach(gcov_file ${unfiltered_gcov_files})
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file(STRINGS ${binary_dir}/${gcov_file} first_line LIMIT_COUNT 1 ENCODING UTF-8)
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set(is_excluded false)
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if(first_line MATCHES "^ -: 0:Source:(.*)$")
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set(source_file ${CMAKE_MATCH_1})
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elseif(NOT GCOV_QUIET)
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message(STATUS "Could not determine source file corresponding to: ${gcov_file}")
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endif()
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foreach(exclude_entry IN LISTS CTEST_CUSTOM_COVERAGE_EXCLUDE)
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if(source_file MATCHES "${exclude_entry}")
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set(is_excluded true)
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if(NOT GCOV_QUIET)
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message("Excluding coverage for: ${source_file} which matches ${exclude_entry}")
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endif()
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break()
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endif()
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endforeach()
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get_filename_component(resolved_source_file "${source_file}" ABSOLUTE)
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foreach(uncovered_file IN LISTS uncovered_files)
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get_filename_component(resolved_uncovered_file "${uncovered_file}" ABSOLUTE)
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if (resolved_uncovered_file STREQUAL resolved_source_file)
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list(REMOVE_ITEM uncovered_files "${uncovered_file}")
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endif()
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endforeach()
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if(NOT is_excluded)
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list(APPEND gcov_files ${gcov_file})
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endif()
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endforeach()
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foreach (uncovered_file ${uncovered_files})
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# Check if this uncovered file should be excluded.
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set(is_excluded false)
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foreach(exclude_entry IN LISTS CTEST_CUSTOM_COVERAGE_EXCLUDE)
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if(uncovered_file MATCHES "${exclude_entry}")
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set(is_excluded true)
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if(NOT GCOV_QUIET)
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message("Excluding coverage for: ${uncovered_file} which matches ${exclude_entry}")
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endif()
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break()
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endif()
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endforeach()
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if(is_excluded)
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continue()
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endif()
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# Copy from source to binary dir, preserving any intermediate subdirectories.
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get_filename_component(filename "${uncovered_file}" NAME)
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get_filename_component(relative_path "${uncovered_file}" DIRECTORY)
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string(REPLACE "${source_dir}" "" relative_path "${relative_path}")
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if (relative_path)
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# Strip leading slash.
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string(SUBSTRING "${relative_path}" 1 -1 relative_path)
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endif()
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file(COPY ${uncovered_file} DESTINATION ${binary_dir}/uncovered/${relative_path})
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if(relative_path)
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list(APPEND uncovered_files_for_tar uncovered/${relative_path}/${filename})
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else()
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list(APPEND uncovered_files_for_tar uncovered/${filename})
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endif()
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endforeach()
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# tar up the coverage info with the same date so that the md5
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# sum will be the same for the tar file independent of file time
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# stamps
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string(REPLACE ";" "\n" gcov_files "${gcov_files}")
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string(REPLACE ";" "\n" label_files "${label_files}")
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string(REPLACE ";" "\n" uncovered_files_for_tar "${uncovered_files_for_tar}")
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file(WRITE "${coverage_dir}/coverage_file_list.txt"
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"${gcov_files}
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${coverage_dir}/data.json
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${label_files}
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${uncovered_files_for_tar}
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")
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if (GCOV_QUIET)
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set(tar_opts "cfj")
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else()
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set(tar_opts "cvfj")
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endif()
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execute_process(COMMAND
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${CMAKE_COMMAND} -E tar ${tar_opts} ${GCOV_TARBALL}
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"--mtime=1970-01-01 0:0:0 UTC"
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"--format=gnutar"
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--files-from=${coverage_dir}/coverage_file_list.txt
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WORKING_DIRECTORY ${binary_dir})
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if (GCOV_DELETE)
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foreach(gcov_file ${unfiltered_gcov_files})
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file(REMOVE ${binary_dir}/${gcov_file})
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endforeach()
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file(REMOVE ${coverage_dir}/coverage_file_list.txt)
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file(REMOVE ${coverage_dir}/data.json)
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if (EXISTS ${binary_dir}/uncovered)
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file(REMOVE ${binary_dir}/uncovered)
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endif()
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endif()
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endfunction()
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