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Re: Generic Linux Build requirements

 

Hi!

>>>>> "Daniel" == Daniel Bartholomew <dbart@xxxxxxxxxxxx> writes:

Daniel> On Thu, 11 Mar 2010 13:40:50 -0500, Brian Evans
Daniel> <grknight@xxxxxxxxxxxxxx> wrote:

Brian> http://askmonty.org/wiki/index.php/Building_MariaDB:Generic_Linux
Brian> says:
Brian> * gcc 2.95.2 or later
Brian> 
Brian> However, according to [1] , Gentoo claims that GCC 4.3 is
Brian> required due the use of c++ templates in the server.
Brian> [2] also states that GCC-4 is absolutely required with a failing
Brian> build log.

A note here is that MariaDB / MySQL builds fine with gcc 3.4.3 on our
OpenSolaris machine.  I am sure that c++ templates was supported even
for gcc 2.95.2 as we have used c++ templates (for lists) in the code
since 1995, way before gcc 3.x.

There may be another reason for using gcc 4.3 on Gentoo, but it can't
be because of c++ templates.
Brian> 
Brian> [1] http://bugs.gentoo.org/show_bug.cgi?id=307251#c5

This bug report doesn't give any indication of why gcc 4.3 would be
required;  It's only about marking the packet to require gcc 4.3
for building.

Brian> [2] http://bugs.gentoo.org/show_bug.cgi?id=284946

The real bug seams to be:

./include/sync0rw.h:425:2: #error HAVE_ATOMIC_BUILTINS is not defined. Do you
use enough new GCC or compatibles?      

Looks like a bug in the MySQL code. This code has however changed
since then, so it may not be an issue anymore.
(After all, we do build now with gcc 3.4.3)

Daniel> Thanks. I've added a "Gentoo Build Notes" section to the bottom of the
Daniel> page with this information.

Daniel> http://askmonty.org/wiki/index.php/Building_MariaDB:Generic_Linux

Thanks.

Regards,
Monty



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