Roger Binns wrote [on Sun, 03 Jan 2010 09:56:46 -0800]: > Adam Kennedy wrote: >> Unfortunately, we neither have the ability to run configure (as we >> don't have reliable access to /bin/sh or any of the other stuff it >> needs) or the ability to use a pregenerated static configuration >> across all platforms. > > Well, you already pre-generate -DHAVE_USLEEP which doesn't exist on Windows > or older Unixen! Your only workaround is to read/run the real configure to > see what kind of stuff it generates and then write your own tests to > generate the same flags. > > GMTIME_R/LOCALTIME_R will affect performance if doing date/time code - not > having them means SQLite internally uses a mutex around calls to > gmtime/localtime which still leaves you vulnerable to bogus data if any > other non-SQLite thread in the program calls those functions. > > The other flags mainly cover header file presence and you'll generally get > away without defines for them (unistd.h likely has everything anyway). The > only likely gotcha is if you have extension loading enabled in which case > SQLite needs to know which header contains dlopen and friends.
In response to the above message, following is Adam Kennedy's reply of yesterday, which I am forwarding to the sqlite-users list. Anyone on sqlite-users who wants to respond on this thread, please cross-post to [email protected] (which I moderate) and I will let it in. Anyone on dbd-sqlite only that is interested in such issues should also join sqlite-users so they can post to it directly. -- Darren Duncan -------- Original Message -------- Subject: Re: [Fwd: Re: [sqlite] [DBD-SQLite] Re: SQLite bug ticket - build fails on sun4-solaris-64int 2.10] Date: Mon, 4 Jan 2010 10:40:21 +1100 From: Adam Kennedy <[email protected]> Reply-To: [email protected] To: Darren Duncan <[email protected]> CC: DBD::SQLite Mailing List <[email protected]> References: <[email protected]> (Darren can you bump this onto the SQLite list? Thanks) The HAVE_USLEEP flag is provided by the following. if ( $Config{d_usleep} || $Config{osname} =~ m/linux/ ) { push @CC_DEFINE, '-DHAVE_USLEEP=1'; } The %Config hash exposes the internal flags and settings that the underlying Perl language was originally compiled with. The $Config{d_usleep} flag should be true if the original Perl ./Configure run detected it. I can confirm that when I build on Windows we don't use HAVE_USLEEP Adam K _______________________________________________ sqlite-users mailing list [email protected] http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
