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only use msvc::no_unique_address with C++20 or later

This commit is contained in:
Laurent Rineau 2023-04-18 11:40:12 +02:00
parent 1dce90ee79
commit 60b5642b7c
1 changed files with 1 additions and 1 deletions
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2
Installation/include/CGAL/config.h
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@ -346,7 +346,7 @@ using std::max;
#define CGAL_NORETURN [[noreturn]]
// Macro to specify [[no_unique_address]] if supported
#if _MSC_VER >= 1929
#if _MSC_VER >= 1929 && _MSVC_LANG >= 202002L
// see https://devblogs.microsoft.com/cppblog/msvc-cpp20-and-the-std-cpp20-switch/#c20-no_unique_address
# define CGAL_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
#elif __has_cpp_attribute(no_unique_address)