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