diff --git a/Modules/WriteCompilerDetectionHeader.cmake b/Modules/WriteCompilerDetectionHeader.cmake index bf2dc3710..d7992fe3e 100644 --- a/Modules/WriteCompilerDetectionHeader.cmake +++ b/Modules/WriteCompilerDetectionHeader.cmake @@ -146,6 +146,16 @@ # ``[[deprecated]]`` attribute or a compiler-specific decorator such # as ``__attribute__((__deprecated__))`` used by GNU compilers. # +# The ``cxx_alignas`` feature provides a macro definition +# ``_ALIGNAS`` which expands to either the standard ``alignas`` +# decorator or a compiler-specific decorator such as +# ``__attribute__ ((__aligned__))`` used by GNU compilers. +# +# The ``cxx_alignof`` feature provides a macro definition +# ``_ALIGNOF`` which expands to either the standard ``alignof`` +# decorator or a compiler-specific decorator such as ``__alignof__`` +# used by GNU compilers. +# # ============================= ================================ ===================== # Feature Define Symbol # ============================= ================================ =====================