checking for Berkley db 4.2 --> 4.3 upgrade

[Sam Steingold]

Berkley db changed prototypes for functions that are struct members.
how do I check for that?

here is what I have been able to come up with so far:

AC_CACHE_CHECK([whether DB->stat() accepts TXNid],ac_cv_db_stat_accept_txn,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <db.h>],
[[DB db; db->stat(db,0,NULL);]])],
ac_cv_db_stat_accept_txn=yes,ac_cv_db_stat_accept_txn=no)])
if test "$ac_cv_db_stat_accept_txn" = "yes"; then
AC_DEFINE(HAVE_DB_STAT_ACCEPT_TXN,1,[Define to 1 if DB->stat() accepts TXNid])
fi

Is this the right way to do the check?

Thanks.

-- 
Sam Steingold (http://www.podval.org/~sds) running w2k
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