Re: checking for Berkley db 4.2 --> 4.3 upgrade

[Sam Steingold]

> * David Boreham <address@hidden> [2005-07-14 08:42:46 -0700]:
>
> Sam Steingold wrote:
>
>>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?
>>  
>>
> Wouldn't it be easier to simply read the version number ?
>
> It's available either from the header file or directly via a function
> from the library.

isn't the whole idea of autoconf to avoid relying on version numbers?

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