Roland Reichwein 5dc682b7ff
Support for C++26 (#1375)
Includes C++26 related infrastructure macros.
Fixes compile errors when compiling under C++26.
Initially supported C++26 features:

- [[indeterminate]]
- new 2022 ISO prefixes in ratio.h
- atomic fetch_max() and fetch_min()
- is_virtual_base_of
- is_trivially_relocatable and trivially_relocate
- saturation arithmetic: add_sat, sub_sat, mul_sat, div_sat, saturate_cast
2026-04-15 15:53:29 +02:00

141 lines
4.0 KiB
CMake

cmake_minimum_required(VERSION 3.5.0)
project(etl_error_handler_unit_tests)
add_definitions(-DETL_DEBUG)
add_definitions(-DETL_THROW_EXCEPTIONS)
include_directories(${PROJECT_SOURCE_DIR}/../../../include)
set(TEST_SOURCE_FILES
test_error_handler.cpp
)
add_executable(etl_tests
${TEST_SOURCE_FILES}
)
if (ETL_CXX_STANDARD MATCHES "98")
message(STATUS "Compiling for C++98")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 98)
elseif (ETL_CXX_STANDARD MATCHES "03")
message(STATUS "Compiling for C++98")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 98)
elseif (ETL_CXX_STANDARD MATCHES "11")
message(STATUS "Compiling for C++11")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 11)
elseif (ETL_CXX_STANDARD MATCHES "14")
message(STATUS "Compiling for C++14")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 14)
elseif (ETL_CXX_STANDARD MATCHES "17")
message(STATUS "Compiling for C++17")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 17)
elseif (ETL_CXX_STANDARD MATCHES "20")
message(STATUS "Compiling for C++20")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 20)
elseif (ETL_CXX_STANDARD MATCHES "23")
if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.20")
message(STATUS "Compiling for C++23")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 23)
else()
message(STATUS "CMake version ${CMAKE_VERSION} does not support C++23, falling back to C++20")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 20)
endif()
elseif (ETL_CXX_STANDARD MATCHES "26")
if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.25")
message(STATUS "Compiling for C++26")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 26)
elseif (CMAKE_VERSION VERSION_GREATER_EQUAL "3.20")
message(STATUS "CMake version ${CMAKE_VERSION} does not support C++26, falling back to C++23")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 23)
else()
message(FATAL_ERROR "CMake version ${CMAKE_VERSION} is too old to support C++23 or C++26. Please upgrade to CMake 3.20 or later.")
endif()
else()
message(STATUS "Compiling for C++17")
set_property(TARGET etl_tests PROPERTY CXX_STANDARD 17)
endif()
if (ETL_OPTIMISATION MATCHES "-O1")
message(STATUS "Compiling with -O1 optimisations")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O1")
endif()
if (ETL_OPTIMISATION MATCHES "-O2")
message(STATUS "Compiling with -O2 optimisations")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
endif()
if (ETL_OPTIMISATION MATCHES "-O3")
message(STATUS "Compiling with -O3 optimisations")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
endif()
target_include_directories(etl_tests
PUBLIC
${CMAKE_CURRENT_LIST_DIR}
)
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
message(STATUS "Using GCC compiler")
endif ()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
message(STATUS "Using Clang compiler")
endif ()
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
target_compile_options(etl_tests
PRIVATE
-fno-omit-frame-pointer
-fno-common
-Wall
-Wextra
-Werror
-Wfloat-equal
-Wshadow
-Wnull-dereference
)
endif ()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
target_compile_options(etl_tests
PRIVATE
-fno-omit-frame-pointer
-fno-common
-Wall
-Wextra
-Werror
-Wfloat-equal
-Wshadow
-Wnull-dereference
)
endif ()
if ((CMAKE_CXX_COMPILER_ID MATCHES "GNU") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
if (ETL_ENABLE_SANITIZER MATCHES "ON")
message(STATUS "Compiling with Sanitizer enabled")
# MinGW doesn't presently support sanitization
if (NOT MINGW)
target_compile_options(etl_tests
PRIVATE
-fsanitize=address,undefined,bounds
)
target_link_options(etl_tests
PRIVATE
-fsanitize=address,undefined,bounds
)
endif()
endif ()
endif ()
# Enable the 'make test' CMake target using the executable defined above
add_test(etl_error_handler_unit_tests etl_tests)
# Since ctest will only show you the results of the single executable
# define a target that will output all of the failing or passing tests
# as they appear from UnitTest++
add_custom_target(test_verbose COMMAND ${CMAKE_CTEST_COMMAND} --verbose)