Date: Wed, 21 Sep 2005 14:39:55 -0400 From: Kris Kennaway <kris@obsecurity.org> To: John Nielsen <lists@jnielsen.net> Cc: stable@freebsd.org, sysadmin@alexdupre.com Subject: Re: MySQL 4.1, GCC 3.x, FreeBSD 4.x Message-ID: <20050921183955.GA97891@xor.obsecurity.org> In-Reply-To: <200509211431.19141.lists@jnielsen.net> References: <200509211431.19141.lists@jnielsen.net>
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[-- Attachment #1 --] On Wed, Sep 21, 2005 at 02:31:18PM -0400, John Nielsen wrote: > Should it be possible to compile and run MySQL 4.1 with GCC 3.4 on a FreeBSD > 4.11 machine? > > I have a server which, for the time being at least, cannot be updated to > FreeBSD 5. I'm currently running the stock MySQL 4.1.14 compiled from the > port with no make flags. > > I would like to experiment with different build options/flags in the hopes > of boosting performance. Specifically, I'd like to build it with > linuxthreads and optimized C flags, but I am wary of using -O3 with gcc > 2.9. Am I just being paranoid? > > When I try this from databases/mysql41-server: > make WITH_LINUXTHREADS=yes BUILD_OPTIMIZED=yes USE_GCC=3.4 USE_GCC is wrong, it's not a user-controllable variable. Set CC instead. This might be OK as long as there is no C++ code involved, which cannot be linked to C++ code from gcc 2.95. -O3 can be dangerous, so use with care. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDMaj6Wry0BWjoQKURAnsaAKCRIHBORs2BSc5+tLp8TQveuM/oEwCfYbpl tqTa+9PFjq8bVYc1kV9PHnI= =M9N7 -----END PGP SIGNATURE-----
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