keepassxc/cmake/CodeCoverage.cmake

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# Copyright (c) 2012 - 2017, Lars Bilke
# Copyright (c) 2021 KeePassXC Team
# 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)
# Check prereqs
find_program(GCOV_PATH gcov)
find_program(LLVM_COV_PATH llvm-cov)
find_program(LLVM_PROFDATA_PATH llvm-profdata)
find_program(XCRUN_PATH xcrun)
find_program(GENHTML_PATH NAMES genhtml genhtml.perl genhtml.bat)
find_program(GCOVR_PATH gcovr PATHS ${CMAKE_SOURCE_DIR}/scripts/test)
set(COVERAGE_COMPILER_FLAGS "-g -O0" CACHE INTERNAL "")
if(CMAKE_COMPILER_IS_GNUCXX)
set(COVERAGE_COMPILER_FLAGS "${COVERAGE_COMPILER_FLAGS} --coverage -fprofile-arcs -ftest-coverage")
elseif(CMAKE_COMPILER_IS_CLANGXX)
set(COVERAGE_COMPILER_FLAGS "${COVERAGE_COMPILER_FLAGS} -fprofile-instr-generate -fcoverage-mapping")
endif()
set(CMAKE_COVERAGE_FORMAT
"html" "txt"
CACHE STRING "Coverage report output format.")
set_property(CACHE CMAKE_COVERAGE_FORMAT PROPERTY STRINGS "html" "txt")
set(CMAKE_CXX_FLAGS_COVERAGE
${COVERAGE_COMPILER_FLAGS}
CACHE STRING "Flags used by the C++ compiler during coverage builds.")
set(CMAKE_C_FLAGS_COVERAGE
${COVERAGE_COMPILER_FLAGS}
CACHE STRING "Flags used by the C compiler during coverage builds.")
set(CMAKE_EXE_LINKER_FLAGS_COVERAGE
""
CACHE STRING "Flags used for linking binaries during coverage builds.")
set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE
""
CACHE STRING "Flags used by the shared libraries linker during coverage builds.")
mark_as_advanced(
CMAKE_COVERAGE_FORMAT
CMAKE_CXX_FLAGS_COVERAGE
CMAKE_C_FLAGS_COVERAGE
CMAKE_EXE_LINKER_FLAGS_COVERAGE
CMAKE_SHARED_LINKER_FLAGS_COVERAGE)
if(NOT CMAKE_BUILD_TYPE_LOWER STREQUAL "debug")
message(WARNING "Code coverage results with an optimised (non-Debug) build may be misleading")
endif() # NOT CMAKE_BUILD_TYPE STREQUAL "Debug"
if(CMAKE_COMPILER_IS_GNUCXX)
if(NOT GCOV_PATH)
message(FATAL_ERROR "gcov not found! Aborting...")
endif() # NOT GCOV_PATH
link_libraries(gcov)
endif()
# Defines a target for running and collection code coverage information
# Builds dependencies, runs the given executable and outputs reports.
# NOTE! The executable should always have a ZERO as exit code otherwise
# the coverage generation will not complete.
#
# SETUP_TARGET_FOR_COVERAGE_GCOVR(
# NAME ctest_coverage # New target name
# EXECUTABLE ctest -j ${PROCESSOR_COUNT} # Executable in PROJECT_BINARY_DIR
# DEPENDENCIES executable_target # Dependencies to build first
# )
function(SETUP_TARGET_FOR_COVERAGE_GCOVR)
set(options NONE)
set(oneValueArgs NAME)
set(multiValueArgs EXECUTABLE EXECUTABLE_ARGS DEPENDENCIES)
cmake_parse_arguments(Coverage "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if(NOT GCOVR_PATH)
message(FATAL_ERROR "gcovr not found! Aborting...")
endif() # NOT GCOVR_PATH
# Combine excludes to several -e arguments
set(GCOVR_EXCLUDES "")
foreach(EXCLUDE ${COVERAGE_EXCLUDES})
list(APPEND GCOVR_EXCLUDES "-e")
list(APPEND GCOVR_EXCLUDES "${EXCLUDE}")
endforeach()
add_custom_target(${Coverage_NAME}
# Run tests
COMMAND $(MAKE)
COMMAND ${Coverage_EXECUTABLE}
# Create folder
COMMAND ${CMAKE_COMMAND} -E make_directory ${PROJECT_BINARY_DIR}/${Coverage_NAME}
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
DEPENDS ${Coverage_DEPENDENCIES}
)
if("html" IN_LIST CMAKE_COVERAGE_FORMAT)
add_custom_command(TARGET ${Coverage_NAME} POST_BUILD
# Running gcovr HTML
COMMAND ${GCOVR_PATH} --html --html-details
-r ${PROJECT_SOURCE_DIR} ${GCOVR_EXCLUDES}
--object-directory=${PROJECT_BINARY_DIR}
-o ${Coverage_NAME}-html/index.html
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
COMMENT "Running gcovr to produce HTML code coverage report ${Coverage_NAME}-html."
)
endif()
if("txt" IN_LIST CMAKE_COVERAGE_FORMAT)
add_custom_command(TARGET ${Coverage_NAME} POST_BUILD
# Running gcovr XML
COMMAND ${GCOVR_PATH}
-r ${PROJECT_SOURCE_DIR} ${GCOVR_EXCLUDES}
--object-directory=${PROJECT_BINARY_DIR}
-o ${Coverage_NAME}.txt
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
COMMENT "Running gcovr to produce TXT code coverage report ${Coverage_NAME}.txt."
)
endif()
endfunction() # SETUP_TARGET_FOR_COVERAGE_GCOVR
# Defines a target for running and collection code coverage information
# Builds dependencies, runs the given executable and outputs reports.
# NOTE! The executable should always have a ZERO as exit code otherwise
# the coverage generation will not complete.
#
# SETUP_TARGET_FOR_COVERAGE_LLVM(
# NAME ctest_coverage # New target name
# EXECUTABLE ctest -j ${PROCESSOR_COUNT} # Executable in PROJECT_BINARY_DIR
# DEPENDENCIES executable_target # Dependencies to build first
# )
function(SETUP_TARGET_FOR_COVERAGE_LLVM)
set(options NONE)
set(oneValueArgs NAME PROF_FILE)
set(multiValueArgs EXECUTABLE BINARY EXECUTABLE_ARGS SOURCES DEPENDENCIES)
cmake_parse_arguments(Coverage "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if(XCRUN_PATH)
set(LLVM_COV_PATH ${XCRUN_PATH} llvm-cov)
set(LLVM_PROFDATA_PATH ${XCRUN_PATH} llvm-profdata)
else()
if(NOT LLVM_COV_PATH)
message(FATAL_ERROR "llvm-cov not found! Aborting...")
endif() # NOT LLVM_COV_PATH
if(NOT LLVM_PROFDATA_PATH)
message(FATAL_ERROR "llvm-profdata not found! Aborting...")
endif() # NOT LLVM_PROFDATA_PATH
endif() # XCRUN_PATH
set(LLVM_PROFILE_DIR ${PROJECT_BINARY_DIR}/llvm_profile)
file(REMOVE_RECURSE ${LLVM_PROFILE_DIR})
set(COV_EXCLUDES "")
foreach(EXCLUDE ${COVERAGE_EXCLUDES})
list(APPEND COV_EXCLUDES "-ignore-filename-regex=${EXCLUDE}")
endforeach()
list(GET Coverage_BINARY 0 COV_BINARY)
if(Coverage_BINARY)
list(REMOVE_AT Coverage_BINARY 0)
foreach(BIN ${Coverage_BINARY})
list(APPEND COV_BINARY -object ${BIN})
endforeach()
endif()
add_custom_target(${Coverage_NAME}
COMMAND $(MAKE)
COMMAND ${CMAKE_COMMAND} -E env LLVM_PROFILE_FILE=${LLVM_PROFILE_DIR}/profile-%p.profraw ${Coverage_EXECUTABLE}
COMMAND ${LLVM_PROFDATA_PATH} merge -sparse ${LLVM_PROFILE_DIR}/* -o coverage.profdata
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
DEPENDS ${Coverage_DEPENDENCIES})
if("html" IN_LIST CMAKE_COVERAGE_FORMAT)
add_custom_command(TARGET ${Coverage_NAME} POST_BUILD
COMMAND ${LLVM_COV_PATH} show -instr-profile=coverage.profdata ${COV_BINARY}
--format=html --output-dir=${Coverage_NAME}-html ${COV_EXCLUDES} ${Coverage_SOURCES}
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
COMMENT "Running llvm-cov to produce HTML code coverage report ${Coverage_NAME}-html")
endif()
if("txt" IN_LIST CMAKE_COVERAGE_FORMAT)
add_custom_command(TARGET ${Coverage_NAME} POST_BUILD
COMMAND ${LLVM_COV_PATH} show -instr-profile=coverage.profdata ${COV_BINARY}
--format=text ${COV_EXCLUDES} ${Coverage_SOURCES} > ${Coverage_NAME}.txt
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
COMMENT "Running llvm-cov to produce TXT code coverage report ${Coverage_NAME}.txt.")
endif()
endfunction() # SETUP_TARGET_FOR_COVERAGE_LLVM
function(APPEND_COVERAGE_COMPILER_FLAGS)
message(STATUS "Appending code coverage compiler flags: ${COVERAGE_COMPILER_FLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COVERAGE_COMPILER_FLAGS}" PARENT_SCOPE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COVERAGE_COMPILER_FLAGS}" PARENT_SCOPE)
endfunction() # APPEND_COVERAGE_COMPILER_FLAGS