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# Copyright (c) 2012 - 2015, Lars Bilke
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors
# may be used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
include(CMakeParseArguments)
find_program(GCOV_PATH gcov)
if(NOT GCOV_PATH)
message(FATAL_ERROR "gcov not found! Aborting...")
endif()
find_program(LCOV_PATH lcov)
if(NOT LCOV_PATH)
message(FATAL_ERROR "lcov not found! Aborting...")
endif()
if(NOT CMAKE_COMPILER_IS_GNUCXX)
if(NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
message(FATAL_ERROR "Compiler '${CMAKE_CXX_COMPILER_ID}' is not supported ! Aborting...")
endif()
endif()
set(CMAKE_CXX_FLAGS_COVERAGE "-g -O0 --coverage"
CACHE
STRING
"Flags used by the C++ compiler during coverage builds."
FORCE
)
set(CMAKE_C_FLAGS_COVERAGE "-g -O0 --coverage"
CACHE
STRING
"Flags used by the C compiler during coverage builds."
FORCE )
set(CMAKE_EXE_LINKER_FLAGS_COVERAGE "--coverage"
CACHE
STRING
"Flags used for linking binaries during coverage builds."
FORCE
)
set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "--coverage"
CACHE
STRING
"Flags used by the shared libraries linker during coverage builds."
FORCE
)
mark_as_advanced(
CMAKE_CXX_FLAGS_COVERAGE
CMAKE_C_FLAGS_COVERAGE
CMAKE_EXE_LINKER_FLAGS_COVERAGE
CMAKE_SHARED_LINKER_FLAGS_COVERAGE
)
if(NOT (CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "Coverage"))
message( WARNING "Code coverage results with an optimized (non-Debug) build may be misleading" )
endif()
function(add_coverage TARGET_NAME)
set(OPTIONS HTML_REPORT QUIET)
set(SV_ARGUMENTS OUTPUT)
set(MV_ARGUMENTS DEPENDENCIES SOURCE_DIRECTORIES COMMAND)
cmake_parse_arguments(ADD_COVERAGE "${OPTIONS}" "${SV_ARGUMENTS}" "${MV_ARGUMENTS}" ${ARGN})
set(COVERAGE_INFO "${CMAKE_BINARY_DIR}/${ADD_COVERAGE_OUTPUT}.info")
set(COVERAGE_CLEANED "${COVERAGE_INFO}.cleaned")
foreach(SOURCE_DIRECTORY IN LISTS ADD_COVERAGE_SOURCE_DIRECTORIES)
list(APPEND EXTRACT_DIRECTORIES "'${SOURCE_DIRECTORY}'")
endforeach()
if(NOT TARGET ${TARGET_NAME})
string(REPLACE ";" " " TEST_DRIVER "${ADD_COVERAGE_COMMAND}")
message(STATUS "Registering coverage target '${TARGET_NAME}' with driver '${TEST_DRIVER}'")
endif()
add_custom_target(${TARGET_NAME} ;
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
DEPENDS ${ADD_COVERAGE_DEPENDENCIES}
)
if(ADD_COVERAGE_QUIET)
set(ADD_COVERAGE_QUIET "-q")
else()
unset(ADD_COVERAGE_QUIET)
endif()
add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
COMMAND ${LCOV_PATH} --directory .
--zerocounters ${ADD_COVERAGE_QUIET}
COMMENT "[CodeCoverage] Resetting coverage counters ..."
)
add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
COMMAND ${ADD_COVERAGE_COMMAND} >/dev/null
COMMENT "[CodeCoverage] Running test driver ..."
)
add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
COMMAND ${LCOV_PATH} --rc 'lcov_branch_coverage=1'
--directory .
--capture
--output-file ${COVERAGE_INFO} ${ADD_COVERAGE_QUIET}
COMMENT "[CodeCoverage] Collecting coverage data ..."
)
add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
COMMAND ${LCOV_PATH} --rc 'lcov_branch_coverage=1'
--extract ${COVERAGE_INFO} ${EXTRACT_DIRECTORIES}
--output-file ${COVERAGE_CLEANED} ${ADD_COVERAGE_QUIET}
COMMENT "[CodeCoverage] Extracting project relevant data ..."
)
add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
COMMAND sed -i'' -e 's_${PROJECT_SOURCE_DIR}/__g' ${COVERAGE_CLEANED}
COMMENT "[CodeCoverage] Normalizing paths ..."
)
if(ADD_COVERAGE_HTML_REPORT)
find_program(GENHTML_PATH genhtml)
if(NOT GENHTML_PATH)
message(FATAL_ERROR "genhtml not found! Aborting...")
endif()
add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
COMMAND ${GENHTML_PATH} --rc 'lcov_branch_coverage=1'
-o ${CMAKE_BINARY_DIR}/${ADD_COVERAGE_OUTPUT}
${COVERAGE_CLEANED}
${ADD_COVERAGE_QUIET}
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
COMMENT "[CodeCoverage] Generating HTML report ..."
)
add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
COMMAND ;
COMMENT "[CodeCoverage] HTML report generated here: ./${ADD_COVERAGE_OUTPUT}/index.html"
)
endif()
add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
COMMAND ${LCOV_PATH} --rc 'lcov_branch_coverage=1'
--summary ${COVERAGE_CLEANED}
COMMENT "[CodeCoverage] Summary:"
)
endfunction()
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