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Check if the compiler has the <span> header

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This commit is contained in:
Carles Fernandez 2019-06-29 01:58:12 +02:00
parent 751f54990c
commit 9b3fd32f43
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GPG Key ID: 4C583C52B0C3877D
1 changed files with 9 additions and 1 deletions
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10
src/algorithms/libs/CMakeLists.txt
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@ -92,7 +92,15 @@ else()
target_link_libraries(algorithms_libs PRIVATE Boost::filesystem Boost::system) target_link_libraries(algorithms_libs PRIVATE Boost::filesystem Boost::system)
endif() endif()
if(NOT (CMAKE_CXX_STANDARD VERSION_LESS 20)) include(CheckCXXSourceCompiles)
check_cxx_source_compiles("
#include <span>
int main()
{ std::span<float> sv; }"
has_span
)
if(${has_span})
target_compile_definitions(algorithms_libs PUBLIC -DHAS_SPAN=1) target_compile_definitions(algorithms_libs PUBLIC -DHAS_SPAN=1)
else() else()
target_include_directories(algorithms_libs target_include_directories(algorithms_libs