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add feature detection machinery

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This commit is contained in:
Ferdinand Bachmann
2020-04-18 12:39:31 +02:00
parent ce9d000673
commit 5feb3f4f60
7 changed files with 315 additions and 222 deletions
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29
CMakeLists.txt
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@@ -3,15 +3,36 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
project(test-project CXX)
option(RING_BUFFER_CXXFLAGS "enable default CXXFLAGS" ON)
option(RING_BUFFER_BUILD_TESTS "build test cases for the ring buffer library" ON)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
option(RING_BUFFER_FEATURE_DETECT "try to detect if c++ features are supported" ON)
option(RING_BUFFER_NOEXCEPT "enable conditionally noexcept ring_buffer (c++11)" OFF)
option(RING_BUFFER_CONSTEXPR "enable constexpr ring_buffer (c++11)" OFF)
option(RING_BUFFER_CONSTEXPR_DESTRUCTORS "enable constexpr destructor for ring_buffer (c++20)" OFF)
if(RING_BUFFER_CXXFLAGS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
include(detect/standard.cmake)
endif()
if(RING_BUFFER_FEATURE_DETECT)
include(detect/features.cmake)
endif()
add_library(ring-buffer INTERFACE)
target_include_directories(ring-buffer INTERFACE include/)
target_compile_features(ring-buffer INTERFACE cxx_std_11)
if(RING_BUFFER_CONSTEXPR)
target_compile_definitions(ring-buffer INTERFACE RING_BUFFER_CONSTEXPR)
endif()
if(RING_BUFFER_NOEXCEPT)
target_compile_definitions(ring-buffer INTERFACE RING_BUFFER_NOEXCEPT)
endif()
if(RING_BUFFER_CONSTEXPR_DESTRUCTORS)
target_compile_definitions(ring-buffer INTERFACE RING_BUFFER_CONSTEXPR_DESTRUCTORS)
endif()
if(RING_BUFFER_BUILD_TESTS)
add_subdirectory(test)