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CMakeLists.txt
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CMakeLists.txt
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# Copyright 2025 Torsten Knodt
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http: //www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
cmake_minimum_required(VERSION 3.30)
# TODO If this is not directly a tag, have the revisions since then as the tweak version
execute_process(
COMMAND git describe --tags --always
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE GIT_PROJECT_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(${GIT_PROJECT_VERSION} MATCHES "^[0-9]+\\.[0-9]+\\.[0-9]+$")
project(MDSpanTest VERSION ${GIT_PROJECT_VERSION} LANGUAGES CXX)
else()
execute_process(
COMMAND git rev-list --count HEAD
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE GIT_COMMIT_COUNT
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE GIT_COMMIT_COUNT_RESULT
)
if(NOT GIT_COMMIT_COUNT_RESULT EQUAL 0)
project(MDSpanTest VERSION 0.0.0.${GIT_COMMIT_COUNT} LANGUAGES CXX)
else()
project(MDSpanTest LANGUAGES CXX)
endif()
endif()
set(CMAKE_CXX_STANDARD 26)
set(CMAKE_CXX_EXTENSIONS ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
include(CheckCXXCompilerFlag)
function(CheckAndUseCXXCompilerFlag flag)
string(MAKE_C_IDENTIFIER ${flag} VAR)
string(TOUPPER ${VAR} VAR)
check_cxx_compiler_flag(${flag} HAVE_CXX_${VAR})
if (HAVE_CXX_${VAR})
add_compile_options(${flag})
ENDIF(HAVE_CXX_${VAR})
endfunction(CheckAndUseCXXCompilerFlag)
# FIXME CheckAndUseCXXCompilerFlag(-D_GLIBCXX_PARALLEL)
CheckAndUseCXXCompilerFlag(-fanalyzer)
CheckAndUseCXXCompilerFlag(-fcallgraph-info)
CheckAndUseCXXCompilerFlag(-fconcepts-diagnostics-depth=255)
CheckAndUseCXXCompilerFlag(-fdata-sections)
CheckAndUseCXXCompilerFlag(-fdiagnostics-all-candidates)
CheckAndUseCXXCompilerFlag(-ffunction-sections)
CheckAndUseCXXCompilerFlag(-fhardened)
CheckAndUseCXXCompilerFlag(-fimplicit-constexpr)
CheckAndUseCXXCompilerFlag(-flto)
CheckAndUseCXXCompilerFlag(-fopenacc)
check_cxx_compiler_flag(-fsanitize=undefined HAVE_CXX_F_SANITIZE_UNDEFINED)
CheckAndUseCXXCompilerFlag(-fstack-usage)
CheckAndUseCXXCompilerFlag(-fuse-linker-plugin)
# CheckAndUseCXXCompilerFlag(-H)
CheckAndUseCXXCompilerFlag(-march=native)
CheckAndUseCXXCompilerFlag(-mtune=native)
CheckAndUseCXXCompilerFlag(-save-temps)
CheckAndUseCXXCompilerFlag(-Wall)
CheckAndUseCXXCompilerFlag(-Wextra)
find_package(OpenMP)
add_compile_options(${OpenMP_CXX_FLAGS})
add_link_options(${OpenMP_CXX_FLAGS})
include(CheckLinkerFlag)
function(CheckAndUseCXXLinkerFlag flag)
string(MAKE_C_IDENTIFIER ${flag} VAR)
string(TOUPPER ${VAR} VAR)
check_linker_flag(CXX ${flag} HAVE_LD_${VAR})
if (HAVE_LD_${VAR})
add_link_options(${flag})
ENDIF(HAVE_LD_${VAR})
endfunction(CheckAndUseCXXLinkerFlag)
CheckAndUseCXXLinkerFlag(--print-memory-usage)
check_linker_flag(CXX -fsanitize=undefined HAVE_LD_F_SANITIZE_UNDEFINED)
CheckAndUseCXXLinkerFlag(-flto)
CheckAndUseCXXLinkerFlag(-Wl,--gc-sections)
CheckAndUseCXXCompilerFlag(-foffload=default)
CheckAndUseCXXCompilerFlag(-fdiagnostics-set-output=text:experimental-nesting=yes,experimental-nesting-show-locations=yes,experimental-nesting-show-levels=yes)
CheckAndUseCXXCompilerFlag(-fdiagnostics-add-output=sarif-file)
CheckAndUseCXXCompilerFlag(-fdiagnostics-add-output=json-file)
if (HAVE_CXX_F_SANITIZE_UNDEFINED AND HAVE_LD_F_SANITIZE_UNDEFINED)
add_compile_options(-fsanitize=undefined)
add_link_options(-fsanitize=undefined)
ENDIF(HAVE_CXX_F_SANITIZE_UNDEFINED AND HAVE_LD_F_SANITIZE_UNDEFINED)
check_cxx_compiler_flag(-Oz HAVE_CXX_OPTIMIZE_FOR_SIZE_AGGRESSIVLY)
if(HAVE_CXX_OPTIMIZE_FOR_SIZE_AGGRESSIVLY)
string(APPEND CMAKE_CXX_FLAGS_MINSIZEREL " -Oz")
endif(HAVE_CXX_OPTIMIZE_FOR_SIZE_AGGRESSIVLY)
check_cxx_compiler_flag(-Os HAVE_CXX_OPTIMIZE_FOR_SIZE)
if(HAVE_CXX_F_OPTIMIZE_FOR_SIZE_AGGRESSIVLY)
string(APPEND CMAKE_CXX_FLAGS_MINSIZEREL " -Oz")
elseif(HAVE_CXX_OPTIMIZE_FOR_SIZE)
string(APPEND CMAKE_CXX_FLAGS_MINSIZEREL " -Os")
endif()
check_cxx_compiler_flag(-Og HAVE_CXX_OPTIMIZE_FOR_DEBUG)
IF(HAVE_CXX_OPTIMIZE_FOR_DEBUG)
string(APPEND CMAKE_CXX_FLAGS_DEBUG " -Og")
ENDIF(HAVE_CXX_OPTIMIZE_FOR_DEBUG)
IF(CMAKE_BUILD_TYPE STREQUAL Debug)
CheckAndUseCXXCompilerFlag(-Wno-error=hardened)
CheckAndUseCXXLinkerFlag(-Wno-error=hardened)
CheckAndUseCXXCompilerFlag(-ggdb)
CheckAndUseCXXLinkerFlag(-ggdb)
CheckAndUseCXXCompilerFlag(--coverage)
CheckAndUseCXXLinkerFlag(--coverage)
CheckAndUseCXXCompilerFlag(-fprofile-arcs)
CheckAndUseCXXLinkerFlag(-fprofile-arcs)
CheckAndUseCXXCompilerFlag(-ftest-coverage)
CheckAndUseCXXLinkerFlag(-ftest-coverage)
CheckAndUseCXXCompilerFlag(-fcondition-coverage)
ENDIF(CMAKE_BUILD_TYPE STREQUAL Debug)
include(FetchContent)
FetchContent_Declare(
googletest
URL https://github.com/google/googletest/archive/refs/tags/v1.15.2.zip
)
# For Windows: Prevent overriding the parent project's compiler/linker settings
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(googletest)
FetchContent_Declare(
googlebenchmark
GIT_REPOSITORY https://github.com/google/benchmark.git
GIT_TAG v1.9.1
URL https://github.com/google/benchmark/archive/v1.9.1.zip
)
set(BENCHMARK_ENABLE_GTEST_TESTS OFF)
set(BENCHMARK_ENABLE_TESTING OFF)
set(BENCHMARK_ENABLE_LTO OFF)
FetchContent_MakeAvailable(googlebenchmark)
FetchContent_Declare(
mdspan
GIT_REPOSITORY https://github.com/kokkos/mdspan.git
GIT_TAG mdspan-0.6.0
URL https://github.com/kokkos/mdspan/archive/refs/tags/mdspan-0.6.0.zip
)
FetchContent_MakeAvailable(mdspan)
add_library(mdspan_header INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include/mdspan_extensions.hpp)
target_link_libraries(mdspan_header INTERFACE std::mdspan)
target_include_directories(mdspan_header INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include)
include(GenerateExportHeader)
# TODO generate_export_header(mdspan_header)
include(GNUInstallDirs)
install(TARGETS mdspan_header)
add_executable(BenchmarkMain ${CMAKE_CURRENT_SOURCE_DIR}/benchmark/BenchmarkMain.cpp)
target_link_libraries(BenchmarkMain PRIVATE benchmark::benchmark mdspan_header)
add_executable(TestMain ${CMAKE_CURRENT_SOURCE_DIR}/test/TestMain.cpp)
target_link_libraries(TestMain PRIVATE GTest::gtest GTest::gtest_main std::mdspan mdspan_header)
include(CTest)
enable_testing()
include(GoogleTest)
gtest_discover_tests(TestMain TEST_PREFIX MDSpanTestMain_ XML_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR}/GTestOutputDir/MDSpanTestMain)
find_package(Doxygen OPTIONAL_COMPONENTS dot mscgen dia)
if(Doxygen_FOUND)
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# FIXME Select the right version
file(DOWNLOAD https://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/libstdc++.tag libstdc++.tag SHOW_PROGRESS)
set(DOXYGEN_TAGFILES libstdc++.tag)
# FIXME Add a case for clang
else(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
file(DOWNLOAD https://upload.cppreference.com/w/File:cppreference-doxygen-web.tag.xml?action=render cppreference-doxygen-web.tag.xml SHOW_PROGRESS)
set(DOXYGEN_TAGFILES cppreference-doxygen-web.tag.xml)
endif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(DOXYGEN_EXCLUDE_PATTERNS ${CMAKE_CURRENT_BINARY_DIR} data)
set(DOXYGEN_EXTRACT_ALL YES)
doxygen_add_docs(doxygen ALL USE_STAMP_FILE)
endif(Doxygen_FOUND)
include(FeatureSummary)
feature_summary(DEFAULT_DESCRIPTION WHAT ALL)