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CMakeLists.txt
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CMakeLists.txt
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# FetchContent requires cmake >=3.11
cmake_minimum_required(VERSION 3.11...3.26)
enable_testing()
# Code Coverage
option(POOLSTL_TEST_COVERAGE "Code-coverage" OFF)
if(POOLSTL_TEST_COVERAGE)
if (EMSCRIPTEN)
# Clang's code coverage tools not supported on Emscripten (will produce link error).
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
add_compile_options("-O0" "--coverage")
add_link_options("-lgcov" "--coverage")
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
add_compile_options("-O0" "--coverage")
add_link_options("--coverage")
endif()
endif()
if (WIN32)
# Need bigobj because some tests use lots of templates
if (MSVC)
add_compile_options("/bigobj")
elseif(MINGW)
# Also add -Os to reduce maximum filesize
add_compile_options("-Wa,-mbig-obj" "-Os")
endif()
else()
# Be pedantic for clean code
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
add_compile_options("-g" "-Wall" "-Wextra" "-pedantic")
endif()
endif()
if (MINGW AND WIN32)
# The MinGW on GitHub Actions requires these.
# If omitted some executables crash with 'Exit code 0xc0000139' which appears to mean a missing DLL.
add_link_options("-static-libstdc++" "-static-libgcc")
endif()
# install Catch2
Include(FetchContent)
FetchContent_Declare(
Catch2
GIT_REPOSITORY https://github.com/catchorg/Catch2.git
GIT_TAG v3.4.0
GIT_SHALLOW TRUE
EXCLUDE_FROM_ALL
)
FetchContent_MakeAvailable(Catch2)
list(APPEND CMAKE_MODULE_PATH ${catch2_SOURCE_DIR}/extras)
include(CTest)
include(Catch)
if (EMSCRIPTEN)
# Includes a test that throws exceptions, which are opt-in on Emscripten.
# See https://emscripten.org/docs/porting/exceptions.html
add_compile_options("-fexceptions")
add_link_options("-fexceptions")
endif()
# tests compiled with C++14 (Catch2 requires C++14)
add_executable(poolstl_test poolstl_test.cpp)
target_link_libraries(poolstl_test PRIVATE Catch2::Catch2WithMain poolSTL::poolSTL)
target_compile_definitions(poolstl_test PRIVATE CATCH_CONFIG_FAST_COMPILE)
target_compile_features(poolstl_test PUBLIC cxx_std_14)
catch_discover_tests(poolstl_test)
# tests compiled with C++17 (Some supported methods have been added to the standard library)
add_executable(poolstl_test_cpp17 poolstl_test.cpp)
target_link_libraries(poolstl_test_cpp17 PRIVATE Catch2::Catch2WithMain poolSTL::poolSTL)
target_compile_definitions(poolstl_test_cpp17 PRIVATE CATCH_CONFIG_FAST_COMPILE)
target_compile_features(poolstl_test_cpp17 PUBLIC cxx_std_17)
catch_discover_tests(poolstl_test_cpp17)
# Dedicated target to ensure C++11 builds work
add_executable(cpp11_test cpp11_test.cpp)
target_link_libraries(cpp11_test PUBLIC poolSTL::poolSTL)
target_compile_features(cpp11_test PUBLIC cxx_std_11)
# Test seq_fwd policy
add_executable(seq_fwd_test seq_fwd_test.cpp)
target_link_libraries(seq_fwd_test PRIVATE Catch2::Catch2WithMain poolSTL::poolSTL)
target_compile_definitions(seq_fwd_test PRIVATE CATCH_CONFIG_FAST_COMPILE)
target_compile_features(seq_fwd_test PUBLIC cxx_std_17)
catch_discover_tests(seq_fwd_test)
# Test std::execution supplementation.
# The test code uses only std::execution::par, seq, and par_unseq.
# On compilers with support poolSTL does nothing, else poolSTL aliases poolstl::par to the std::execution policies.
# This way users may write code using standard std::execution and still support platforms lacking support.
add_executable(supplement_test supplement_test.cpp)
target_link_libraries(supplement_test PUBLIC poolSTL::poolSTL)
target_compile_features(supplement_test PUBLIC cxx_std_17)
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
# GCC and Clang require TBB for std::execution::par.
# MinGW will compile std::execution::par without TBB, but performance is sequential. (Verified as of MinGW 13).
find_package(TBB)
if (TBB_FOUND)
target_link_libraries(supplement_test PUBLIC TBB::tbb)
else()
message("No TBB")
# Prevent including <execution>, as doing that requires linking against TBB on newer GCC/Clang.
# User code must not #include <execution> either.
target_compile_definitions(supplement_test PUBLIC POOLSTL_STD_SUPPLEMENT_NO_INCLUDE)
if (MINGW)
# extra hack!
# MinGW declares support, so override poolSTL's auto-detection to enable the supplement.
target_compile_definitions(supplement_test PUBLIC POOLSTL_STD_SUPPLEMENT_FORCE)
endif()
endif()
endif()