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cmake_minimum_required(VERSION 3.0)
project(CompileFeatures)
if (NOT CMAKE_CXX_COMPILE_FEATURES)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp"
"int main(int,char**) { return 0; }\n"
)
add_executable(CompileFeatures "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
return()
endif()
macro(run_test feature)
if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ${feature})
add_library(test_${feature} OBJECT ${feature}.cpp)
set_property(TARGET test_${feature}
PROPERTY COMPILE_FEATURES "${feature}"
)
else()
message("Not supported: ${feature}")
endif()
endmacro()
get_property(features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
foreach(feature ${features})
run_test(${feature})
endforeach()
add_executable(CompileFeatures main.cpp)
set_property(TARGET CompileFeatures
PROPERTY COMPILE_FEATURES "cxx_auto_type"
)
set_property(TARGET CompileFeatures
PROPERTY CXX_STANDARD_REQUIRED TRUE
)
add_executable(GenexCompileFeatures main.cpp)
set_property(TARGET GenexCompileFeatures
PROPERTY COMPILE_FEATURES "$<1:cxx_auto_type>;$<0:not_a_feature>"
)
add_library(iface INTERFACE)
set_property(TARGET iface
PROPERTY INTERFACE_COMPILE_FEATURES "cxx_auto_type"
)
add_executable(IfaceCompileFeatures main.cpp)
target_link_libraries(IfaceCompileFeatures iface)
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