mirror of
https://github.com/catchorg/Catch2.git
synced 2024-11-16 18:52:25 +01:00
259 lines
8.2 KiB
CMake
259 lines
8.2 KiB
CMake
# This file is part of CMake-codecov.
|
|
#
|
|
# Copyright (c)
|
|
# 2015-2017 RWTH Aachen University, Federal Republic of Germany
|
|
#
|
|
# See the LICENSE file in the package base directory for details
|
|
#
|
|
# Written by Alexander Haase, alexander.haase@rwth-aachen.de
|
|
#
|
|
|
|
|
|
# Add an option to choose, if coverage should be enabled or not. If enabled
|
|
# marked targets will be build with coverage support and appropriate targets
|
|
# will be added. If disabled coverage will be ignored for *ALL* targets.
|
|
option(ENABLE_COVERAGE "Enable coverage build." OFF)
|
|
|
|
set(COVERAGE_FLAG_CANDIDATES
|
|
# gcc and clang
|
|
"-O0 -g -fprofile-arcs -ftest-coverage"
|
|
|
|
# gcc and clang fallback
|
|
"-O0 -g --coverage"
|
|
)
|
|
|
|
|
|
# Add coverage support for target ${TNAME} and register target for coverage
|
|
# evaluation. If coverage is disabled or not supported, this function will
|
|
# simply do nothing.
|
|
#
|
|
# Note: This function is only a wrapper to define this function always, even if
|
|
# coverage is not supported by the compiler or disabled. This function must
|
|
# be defined here, because the module will be exited, if there is no coverage
|
|
# support by the compiler or it is disabled by the user.
|
|
function (add_coverage TNAME)
|
|
# only add coverage for target, if coverage is support and enabled.
|
|
if (ENABLE_COVERAGE)
|
|
foreach (TNAME ${ARGV})
|
|
add_coverage_target(${TNAME})
|
|
endforeach ()
|
|
endif ()
|
|
endfunction (add_coverage)
|
|
|
|
|
|
# Add global target to gather coverage information after all targets have been
|
|
# added. Other evaluation functions could be added here, after checks for the
|
|
# specific module have been passed.
|
|
#
|
|
# Note: This function is only a wrapper to define this function always, even if
|
|
# coverage is not supported by the compiler or disabled. This function must
|
|
# be defined here, because the module will be exited, if there is no coverage
|
|
# support by the compiler or it is disabled by the user.
|
|
function (coverage_evaluate)
|
|
# add lcov evaluation
|
|
if (LCOV_FOUND)
|
|
lcov_capture_initial()
|
|
lcov_capture()
|
|
endif (LCOV_FOUND)
|
|
endfunction ()
|
|
|
|
|
|
# Exit this module, if coverage is disabled. add_coverage is defined before this
|
|
# return, so this module can be exited now safely without breaking any build-
|
|
# scripts.
|
|
if (NOT ENABLE_COVERAGE)
|
|
return()
|
|
endif ()
|
|
|
|
|
|
|
|
|
|
# Find the required flags foreach language.
|
|
set(CMAKE_REQUIRED_QUIET_SAVE ${CMAKE_REQUIRED_QUIET})
|
|
set(CMAKE_REQUIRED_QUIET ${codecov_FIND_QUIETLY})
|
|
|
|
get_property(ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
|
|
foreach (LANG ${ENABLED_LANGUAGES})
|
|
# Coverage flags are not dependent on language, but the used compiler. So
|
|
# instead of searching flags foreach language, search flags foreach compiler
|
|
# used.
|
|
set(COMPILER ${CMAKE_${LANG}_COMPILER_ID})
|
|
if (NOT COVERAGE_${COMPILER}_FLAGS)
|
|
foreach (FLAG ${COVERAGE_FLAG_CANDIDATES})
|
|
if(NOT CMAKE_REQUIRED_QUIET)
|
|
message(STATUS "Try ${COMPILER} code coverage flag = [${FLAG}]")
|
|
endif()
|
|
|
|
set(CMAKE_REQUIRED_FLAGS "${FLAG}")
|
|
unset(COVERAGE_FLAG_DETECTED CACHE)
|
|
|
|
if (${LANG} STREQUAL "C")
|
|
include(CheckCCompilerFlag)
|
|
check_c_compiler_flag("${FLAG}" COVERAGE_FLAG_DETECTED)
|
|
|
|
elseif (${LANG} STREQUAL "CXX")
|
|
include(CheckCXXCompilerFlag)
|
|
check_cxx_compiler_flag("${FLAG}" COVERAGE_FLAG_DETECTED)
|
|
|
|
elseif (${LANG} STREQUAL "Fortran")
|
|
# CheckFortranCompilerFlag was introduced in CMake 3.x. To be
|
|
# compatible with older Cmake versions, we will check if this
|
|
# module is present before we use it. Otherwise we will define
|
|
# Fortran coverage support as not available.
|
|
include(CheckFortranCompilerFlag OPTIONAL
|
|
RESULT_VARIABLE INCLUDED)
|
|
if (INCLUDED)
|
|
check_fortran_compiler_flag("${FLAG}"
|
|
COVERAGE_FLAG_DETECTED)
|
|
elseif (NOT CMAKE_REQUIRED_QUIET)
|
|
message("-- Performing Test COVERAGE_FLAG_DETECTED")
|
|
message("-- Performing Test COVERAGE_FLAG_DETECTED - Failed"
|
|
" (Check not supported)")
|
|
endif ()
|
|
endif()
|
|
|
|
if (COVERAGE_FLAG_DETECTED)
|
|
set(COVERAGE_${COMPILER}_FLAGS "${FLAG}"
|
|
CACHE STRING "${COMPILER} flags for code coverage.")
|
|
mark_as_advanced(COVERAGE_${COMPILER}_FLAGS)
|
|
break()
|
|
else ()
|
|
message(WARNING "Code coverage is not available for ${COMPILER}"
|
|
" compiler. Targets using this compiler will be "
|
|
"compiled without it.")
|
|
endif ()
|
|
endforeach ()
|
|
endif ()
|
|
endforeach ()
|
|
|
|
set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE})
|
|
|
|
|
|
|
|
|
|
# Helper function to get the language of a source file.
|
|
function (codecov_lang_of_source FILE RETURN_VAR)
|
|
get_filename_component(FILE_EXT "${FILE}" EXT)
|
|
string(TOLOWER "${FILE_EXT}" FILE_EXT)
|
|
string(SUBSTRING "${FILE_EXT}" 1 -1 FILE_EXT)
|
|
|
|
get_property(ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
|
|
foreach (LANG ${ENABLED_LANGUAGES})
|
|
list(FIND CMAKE_${LANG}_SOURCE_FILE_EXTENSIONS "${FILE_EXT}" TEMP)
|
|
if (NOT ${TEMP} EQUAL -1)
|
|
set(${RETURN_VAR} "${LANG}" PARENT_SCOPE)
|
|
return()
|
|
endif ()
|
|
endforeach()
|
|
|
|
set(${RETURN_VAR} "" PARENT_SCOPE)
|
|
endfunction ()
|
|
|
|
|
|
# Helper function to get the relative path of the source file destination path.
|
|
# This path is needed by FindGcov and FindLcov cmake files to locate the
|
|
# captured data.
|
|
function (codecov_path_of_source FILE RETURN_VAR)
|
|
string(REGEX MATCH "TARGET_OBJECTS:([^ >]+)" _source ${FILE})
|
|
|
|
# If expression was found, SOURCEFILE is a generator-expression for an
|
|
# object library. Currently we found no way to call this function automatic
|
|
# for the referenced target, so it must be called in the directoryso of the
|
|
# object library definition.
|
|
if (NOT "${_source}" STREQUAL "")
|
|
set(${RETURN_VAR} "" PARENT_SCOPE)
|
|
return()
|
|
endif ()
|
|
|
|
|
|
string(REPLACE "${CMAKE_CURRENT_BINARY_DIR}/" "" FILE "${FILE}")
|
|
if(IS_ABSOLUTE ${FILE})
|
|
file(RELATIVE_PATH FILE ${CMAKE_CURRENT_SOURCE_DIR} ${FILE})
|
|
endif()
|
|
|
|
# get the right path for file
|
|
string(REPLACE ".." "__" PATH "${FILE}")
|
|
|
|
set(${RETURN_VAR} "${PATH}" PARENT_SCOPE)
|
|
endfunction()
|
|
|
|
|
|
|
|
|
|
# Add coverage support for target ${TNAME} and register target for coverage
|
|
# evaluation.
|
|
function(add_coverage_target TNAME)
|
|
# Check if all sources for target use the same compiler. If a target uses
|
|
# e.g. C and Fortran mixed and uses different compilers (e.g. clang and
|
|
# gfortran) this can trigger huge problems, because different compilers may
|
|
# use different implementations for code coverage.
|
|
get_target_property(TSOURCES ${TNAME} SOURCES)
|
|
set(TARGET_COMPILER "")
|
|
set(ADDITIONAL_FILES "")
|
|
foreach (FILE ${TSOURCES})
|
|
# If expression was found, FILE is a generator-expression for an object
|
|
# library. Object libraries will be ignored.
|
|
string(REGEX MATCH "TARGET_OBJECTS:([^ >]+)" _file ${FILE})
|
|
if ("${_file}" STREQUAL "")
|
|
codecov_lang_of_source(${FILE} LANG)
|
|
if (LANG)
|
|
list(APPEND TARGET_COMPILER ${CMAKE_${LANG}_COMPILER_ID})
|
|
|
|
list(APPEND ADDITIONAL_FILES "${FILE}.gcno")
|
|
list(APPEND ADDITIONAL_FILES "${FILE}.gcda")
|
|
endif ()
|
|
endif ()
|
|
endforeach ()
|
|
|
|
list(REMOVE_DUPLICATES TARGET_COMPILER)
|
|
list(LENGTH TARGET_COMPILER NUM_COMPILERS)
|
|
|
|
if (NUM_COMPILERS GREATER 1)
|
|
message(WARNING "Can't use code coverage for target ${TNAME}, because "
|
|
"it will be compiled by incompatible compilers. Target will be "
|
|
"compiled without code coverage.")
|
|
return()
|
|
|
|
elseif (NUM_COMPILERS EQUAL 0)
|
|
message(WARNING "Can't use code coverage for target ${TNAME}, because "
|
|
"it uses an unknown compiler. Target will be compiled without "
|
|
"code coverage.")
|
|
return()
|
|
|
|
elseif (NOT DEFINED "COVERAGE_${TARGET_COMPILER}_FLAGS")
|
|
# A warning has been printed before, so just return if flags for this
|
|
# compiler aren't available.
|
|
return()
|
|
endif()
|
|
|
|
|
|
# enable coverage for target
|
|
set_property(TARGET ${TNAME} APPEND_STRING
|
|
PROPERTY COMPILE_FLAGS " ${COVERAGE_${TARGET_COMPILER}_FLAGS}")
|
|
set_property(TARGET ${TNAME} APPEND_STRING
|
|
PROPERTY LINK_FLAGS " ${COVERAGE_${TARGET_COMPILER}_FLAGS}")
|
|
|
|
|
|
# Add gcov files generated by compiler to clean target.
|
|
set(CLEAN_FILES "")
|
|
foreach (FILE ${ADDITIONAL_FILES})
|
|
codecov_path_of_source(${FILE} FILE)
|
|
list(APPEND CLEAN_FILES "CMakeFiles/${TNAME}.dir/${FILE}")
|
|
endforeach()
|
|
|
|
set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
|
|
"${CLEAN_FILES}")
|
|
|
|
|
|
add_gcov_target(${TNAME})
|
|
add_lcov_target(${TNAME})
|
|
endfunction(add_coverage_target)
|
|
|
|
|
|
|
|
|
|
# Include modules for parsing the collected data and output it in a readable
|
|
# format (like gcov and lcov).
|
|
find_package(Gcov)
|
|
find_package(Lcov)
|