MySQL 4.1, GCC 3.x, FreeBSD 4.x

[Greg 'groggy' Lehey]

On Wednesday, 21 September 2005 at 14:39:55 -0400, Kris Kennaway wrote:
> 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.

There's lots of C++ code in MySQL.

Greg
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