[Plesk] mysql upgrade and gcc 2.96

Okay i have yet to grab myself a Plesk server but am already trying to write up a guide for how i'm going to upgrade mysql from 3.23.36 to 3.23.47 compiling from source.

While writing this guide on how i'm going to upgrade mysql i came across a few issues.

1) according MySQL.com gcc version 2.96 compiler may result in problems with the compiled mysql binary and they recommend using gcc version >= 2.95.2 but NOT 2.96. Plesk uses gcc version 2.96.81 on RH 7.1 which may cause problems with mysql if i upgrade from source. Also redhat.com says there's bugs in 2.96.81 which 2.96.85 has fixed. Even gcc authors say the same http://gcc.gnu.org/gcc-2.96.html

2) i tried looking at down grading gcc to 2.95.3 but stuck on the instructions to do so. GCC web site said to install it into a version directory of it's own since it doesn't support make uninstall command so that simply removing that directory when you do not need that specific version of GCC any longer, and, if shared libraries are installed there as well, no more binaries exist that use them.

3) if with your help i figure out how to down grade gcc to 2.95.3, how do you tell it to use that version in it's own directory as opposed to the default one located at /usr/bin/gcc ??

So how does one downgrade from 2.96.81 to 2.95.3 ?

Below is the thread containing partially completed guide and with your folks help and can finish the guide [Plesk] mysql upgrade and gcc 2.96

Thanks

 

 

 

 

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