Update CMakeList.txt
Daniel Chappuis
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# Copyright (c) 2012 - 2015, Lars Bilke
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its contributors
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# may be used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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#
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# 2012-01-31, Lars Bilke
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# - Enable Code Coverage
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#
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# 2013-09-17, Joakim Söderberg
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# - Added support for Clang.
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# - Some additional usage instructions.
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#
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# USAGE:
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# 0. (Mac only) If you use Xcode 5.1 make sure to patch geninfo as described here:
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# http://stackoverflow.com/a/22404544/80480
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#
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# 1. Copy this file into your cmake modules path.
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#
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# 2. Add the following line to your CMakeLists.txt:
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# INCLUDE(CodeCoverage)
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#
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# 3. Set compiler flags to turn off optimization and enable coverage:
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# SET(CMAKE_CXX_FLAGS "-g -O0 -fprofile-arcs -ftest-coverage")
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# SET(CMAKE_C_FLAGS "-g -O0 -fprofile-arcs -ftest-coverage")
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#
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# 3. Use the function SETUP_TARGET_FOR_COVERAGE to create a custom make target
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# which runs your test executable and produces a lcov code coverage report:
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# Example:
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# SETUP_TARGET_FOR_COVERAGE(
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# my_coverage_target # Name for custom target.
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# test_driver # Name of the test driver executable that runs the tests.
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# # NOTE! This should always have a ZERO as exit code
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# # otherwise the coverage generation will not complete.
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# coverage # Name of output directory.
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# )
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#
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# 4. Build a Debug build:
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# cmake -DCMAKE_BUILD_TYPE=Debug ..
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# make
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# make my_coverage_target
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#
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#
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# Check prereqs
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FIND_PROGRAM( GCOV_PATH gcov )
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FIND_PROGRAM( LCOV_PATH lcov )
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FIND_PROGRAM( GENHTML_PATH genhtml )
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FIND_PROGRAM( GCOVR_PATH gcovr PATHS ${CMAKE_SOURCE_DIR}/tests)
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IF(NOT GCOV_PATH)
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MESSAGE(FATAL_ERROR "gcov not found! Aborting...")
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ENDIF() # NOT GCOV_PATH
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IF("${CMAKE_CXX_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
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IF("${CMAKE_CXX_COMPILER_VERSION}" VERSION_LESS 3)
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MESSAGE(FATAL_ERROR "Clang version must be 3.0.0 or greater! Aborting...")
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ENDIF()
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ELSEIF(NOT CMAKE_COMPILER_IS_GNUCXX)
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MESSAGE(FATAL_ERROR "Compiler is not GNU gcc! Aborting...")
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ENDIF() # CHECK VALID COMPILER
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SET(CMAKE_CXX_FLAGS_COVERAGE
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"-g -O0 --coverage -fprofile-arcs -ftest-coverage"
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CACHE STRING "Flags used by the C++ compiler during coverage builds."
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FORCE )
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SET(CMAKE_C_FLAGS_COVERAGE
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"-g -O0 --coverage -fprofile-arcs -ftest-coverage"
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CACHE STRING "Flags used by the C compiler during coverage builds."
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FORCE )
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SET(CMAKE_EXE_LINKER_FLAGS_COVERAGE
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""
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CACHE STRING "Flags used for linking binaries during coverage builds."
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FORCE )
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SET(CMAKE_SHARED_LINKER_FLAGS_COVERAGE
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""
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CACHE STRING "Flags used by the shared libraries linker during coverage builds."
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FORCE )
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MARK_AS_ADVANCED(
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CMAKE_CXX_FLAGS_COVERAGE
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CMAKE_C_FLAGS_COVERAGE
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CMAKE_EXE_LINKER_FLAGS_COVERAGE
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CMAKE_SHARED_LINKER_FLAGS_COVERAGE )
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IF ( NOT (CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "Coverage"))
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MESSAGE( WARNING "Code coverage results with an optimized (non-Debug) build may be misleading" )
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ENDIF() # NOT CMAKE_BUILD_TYPE STREQUAL "Debug"
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# Param _targetname The name of new the custom make target
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# Param _testrunner The name of the target which runs the tests.
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# MUST return ZERO always, even on errors.
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# If not, no coverage report will be created!
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# Param _outputname lcov output is generated as _outputname.info
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# HTML report is generated in _outputname/index.html
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# Optional fourth parameter is passed as arguments to _testrunner
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# Pass them in list form, e.g.: "-j;2" for -j 2
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FUNCTION(SETUP_TARGET_FOR_COVERAGE _targetname _testrunner _outputname)
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IF(NOT LCOV_PATH)
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MESSAGE(FATAL_ERROR "lcov not found! Aborting...")
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ENDIF() # NOT LCOV_PATH
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IF(NOT GENHTML_PATH)
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MESSAGE(FATAL_ERROR "genhtml not found! Aborting...")
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ENDIF() # NOT GENHTML_PATH
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SET(coverage_info "${CMAKE_BINARY_DIR}/${_outputname}.info")
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SET(coverage_cleaned "${coverage_info}.cleaned")
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SEPARATE_ARGUMENTS(test_command UNIX_COMMAND "${_testrunner}")
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# Setup target
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ADD_CUSTOM_TARGET(${_targetname}
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# Cleanup lcov
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${LCOV_PATH} --directory . --zerocounters
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# Run tests
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COMMAND ${test_command} ${ARGV3}
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# Capturing lcov counters and generating report
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COMMAND ${LCOV_PATH} --directory . --capture --output-file ${coverage_info}
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COMMAND ${LCOV_PATH} --remove ${coverage_info} 'tests/*' '/usr/*' --output-file ${coverage_cleaned}
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COMMAND ${GENHTML_PATH} -o ${_outputname} ${coverage_cleaned}
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COMMAND ${CMAKE_COMMAND} -E remove ${coverage_info} ${coverage_cleaned}
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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COMMENT "Resetting code coverage counters to zero.\nProcessing code coverage counters and generating report."
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)
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# Show info where to find the report
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ADD_CUSTOM_COMMAND(TARGET ${_targetname} POST_BUILD
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COMMAND ;
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COMMENT "Open ./${_outputname}/index.html in your browser to view the coverage report."
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)
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ENDFUNCTION() # SETUP_TARGET_FOR_COVERAGE
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# Param _targetname The name of new the custom make target
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# Param _testrunner The name of the target which runs the tests
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# Param _outputname cobertura output is generated as _outputname.xml
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# Optional fourth parameter is passed as arguments to _testrunner
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# Pass them in list form, e.g.: "-j;2" for -j 2
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FUNCTION(SETUP_TARGET_FOR_COVERAGE_COBERTURA _targetname _testrunner _outputname)
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IF(NOT PYTHON_EXECUTABLE)
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MESSAGE(FATAL_ERROR "Python not found! Aborting...")
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ENDIF() # NOT PYTHON_EXECUTABLE
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IF(NOT GCOVR_PATH)
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MESSAGE(FATAL_ERROR "gcovr not found! Aborting...")
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ENDIF() # NOT GCOVR_PATH
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ADD_CUSTOM_TARGET(${_targetname}
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# Run tests
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${_testrunner} ${ARGV3}
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# Running gcovr
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COMMAND ${GCOVR_PATH} -x -r ${CMAKE_SOURCE_DIR} -e '${CMAKE_SOURCE_DIR}/tests/' -o ${_outputname}.xml
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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COMMENT "Running gcovr to produce Cobertura code coverage report."
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)
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# Show info where to find the report
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ADD_CUSTOM_COMMAND(TARGET ${_targetname} POST_BUILD
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COMMAND ;
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COMMENT "Cobertura code coverage report saved in ${_outputname}.xml."
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)
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ENDFUNCTION() # SETUP_TARGET_FOR_COVERAGE_COBERTURA
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