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#
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# lldp_CHECK_ALIGNOF
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#
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AC_DEFUN([lldp_CHECK_ALIGNOF],[
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AC_CACHE_CHECK([whether compiler understands __alignof__], lldp_cv_check_alignof, [
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AC_TRY_COMPILE([],
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[ return __alignof__(long); ],
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[ lldp_cv_check_alignof="yes" ],
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[ lldp_cv_check_alignof="no" ])
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])
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if test x"$lldp_cv_check_alignof" = x"yes"; then
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AC_DEFINE([HAVE_ALIGNOF], [1], [Define if __alignof__ operator is available])
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fi
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])
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