mirror of
https://gitlab.freedesktop.org/monado/monado.git
synced 2024-12-29 11:06:18 +00:00
180 lines
7.5 KiB
CMake
Executable file
180 lines
7.5 KiB
CMake
Executable file
# The MIT License (MIT)
|
|
#
|
|
# Copyright (c)
|
|
# 2013 Matthew Arsenault
|
|
# 2015-2016 RWTH Aachen University, Federal Republic of Germany
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in all
|
|
# copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
# SOFTWARE.
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
# Helper function to get the language of a source file.
|
|
function (sanitizer_lang_of_source FILE RETURN_VAR)
|
|
get_filename_component(LONGEST_EXT "${FILE}" EXT)
|
|
# If extension is empty return. This can happen for extensionless headers
|
|
if("${LONGEST_EXT}" STREQUAL "")
|
|
set(${RETURN_VAR} "" PARENT_SCOPE)
|
|
return()
|
|
endif()
|
|
# Get shortest extension as some files can have dot in their names
|
|
string(REGEX REPLACE "^.*(\\.[^.]+)$" "\\1" FILE_EXT ${LONGEST_EXT})
|
|
string(TOLOWER "${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 compilers used by a target.
|
|
function (sanitizer_target_compilers TARGET RETURN_VAR)
|
|
# 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 sanitizers.
|
|
set(BUFFER "")
|
|
get_target_property(TSOURCES ${TARGET} SOURCES)
|
|
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 "")
|
|
sanitizer_lang_of_source(${FILE} LANG)
|
|
if (LANG)
|
|
list(APPEND BUFFER ${CMAKE_${LANG}_COMPILER_ID})
|
|
endif ()
|
|
endif ()
|
|
endforeach ()
|
|
|
|
list(REMOVE_DUPLICATES BUFFER)
|
|
set(${RETURN_VAR} "${BUFFER}" PARENT_SCOPE)
|
|
endfunction ()
|
|
|
|
|
|
# Helper function to check compiler flags for language compiler.
|
|
function (sanitizer_check_compiler_flag FLAG LANG VARIABLE)
|
|
if (${LANG} STREQUAL "C")
|
|
include(CheckCCompilerFlag)
|
|
check_c_compiler_flag("${FLAG}" ${VARIABLE})
|
|
|
|
elseif (${LANG} STREQUAL "CXX")
|
|
include(CheckCXXCompilerFlag)
|
|
check_cxx_compiler_flag("${FLAG}" ${VARIABLE})
|
|
|
|
elseif (${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}" ${VARIABLE})
|
|
elseif (NOT CMAKE_REQUIRED_QUIET)
|
|
message(STATUS "Performing Test ${VARIABLE}")
|
|
message(STATUS "Performing Test ${VARIABLE}"
|
|
" - Failed (Check not supported)")
|
|
endif ()
|
|
endif()
|
|
endfunction ()
|
|
|
|
|
|
# Helper function to test compiler flags.
|
|
function (sanitizer_check_compiler_flags FLAG_CANDIDATES NAME PREFIX)
|
|
set(CMAKE_REQUIRED_QUIET ${${PREFIX}_FIND_QUIETLY})
|
|
|
|
get_property(ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
|
|
foreach (LANG ${ENABLED_LANGUAGES})
|
|
# Sanitizer flags are not dependend 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 DEFINED ${PREFIX}_${COMPILER}_FLAGS)
|
|
foreach (FLAG ${FLAG_CANDIDATES})
|
|
if(NOT CMAKE_REQUIRED_QUIET)
|
|
message(STATUS "Try ${COMPILER} ${NAME} flag = [${FLAG}]")
|
|
endif()
|
|
|
|
set(CMAKE_REQUIRED_FLAGS "${FLAG}")
|
|
unset(${PREFIX}_FLAG_DETECTED CACHE)
|
|
sanitizer_check_compiler_flag("${FLAG}" ${LANG}
|
|
${PREFIX}_FLAG_DETECTED)
|
|
|
|
if (${PREFIX}_FLAG_DETECTED)
|
|
# If compiler is a GNU compiler, search for static flag, if
|
|
# SANITIZE_LINK_STATIC is enabled.
|
|
if (SANITIZE_LINK_STATIC AND (${COMPILER} STREQUAL "GNU"))
|
|
string(TOLOWER ${PREFIX} PREFIX_lower)
|
|
sanitizer_check_compiler_flag(
|
|
"-static-lib${PREFIX_lower}" ${LANG}
|
|
${PREFIX}_STATIC_FLAG_DETECTED)
|
|
|
|
if (${PREFIX}_STATIC_FLAG_DETECTED)
|
|
set(FLAG "-static-lib${PREFIX_lower} ${FLAG}")
|
|
endif ()
|
|
endif ()
|
|
|
|
set(${PREFIX}_${COMPILER}_FLAGS "${FLAG}" CACHE STRING
|
|
"${NAME} flags for ${COMPILER} compiler.")
|
|
mark_as_advanced(${PREFIX}_${COMPILER}_FLAGS)
|
|
break()
|
|
endif ()
|
|
endforeach ()
|
|
|
|
if (NOT ${PREFIX}_FLAG_DETECTED)
|
|
set(${PREFIX}_${COMPILER}_FLAGS "" CACHE STRING
|
|
"${NAME} flags for ${COMPILER} compiler.")
|
|
mark_as_advanced(${PREFIX}_${COMPILER}_FLAGS)
|
|
|
|
message(WARNING "${NAME} is not available for ${COMPILER} "
|
|
"compiler. Targets using this compiler will be "
|
|
"compiled without ${NAME}.")
|
|
endif ()
|
|
endif ()
|
|
endforeach ()
|
|
endfunction ()
|
|
|
|
|
|
# Helper to assign sanitizer flags for TARGET.
|
|
function (sanitizer_add_flags TARGET NAME PREFIX)
|
|
# Get list of compilers used by target and check, if sanitizer is available
|
|
# for this target. Other compiler checks like check for conflicting
|
|
# compilers will be done in add_sanitizers function.
|
|
sanitizer_target_compilers(${TARGET} TARGET_COMPILER)
|
|
list(LENGTH TARGET_COMPILER NUM_COMPILERS)
|
|
if ("${${PREFIX}_${TARGET_COMPILER}_FLAGS}" STREQUAL "")
|
|
return()
|
|
endif()
|
|
|
|
# Set compile- and link-flags for target.
|
|
set_property(TARGET ${TARGET} APPEND_STRING
|
|
PROPERTY COMPILE_FLAGS " ${${PREFIX}_${TARGET_COMPILER}_FLAGS}")
|
|
set_property(TARGET ${TARGET} APPEND_STRING
|
|
PROPERTY COMPILE_FLAGS " ${SanBlist_${TARGET_COMPILER}_FLAGS}")
|
|
set_property(TARGET ${TARGET} APPEND_STRING
|
|
PROPERTY LINK_FLAGS " ${${PREFIX}_${TARGET_COMPILER}_FLAGS}")
|
|
endfunction ()
|