Sam Steingold <sds@xxxxxxx> writes:
> it appears that AC_CHECK_SIZEOF works only with types, not members.
Yes, that's correct. You'd need to write a variant to do what you want.
Wouldn't it be easier to do this within C? E.g.:
struct utmpx u;
enum {
GLIBC_2_3_2_STRUCT_UTMPX_BUG =
(sizeof u.ut_tv != sizeof (struct timeval))
};
if (GLIBC_2_3_2_STRUCT_UTMPX_BUG) ...
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