FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
[AS_TR_SH([fp_cv_alignment_$1])],
[AC_INCLUDES_DEFAULT([$3])],
FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
[AS_TR_SH([fp_cv_alignment_$1])],
[AC_INCLUDES_DEFAULT([$3])],