[lttng-dev] lttng 2.12 install

[Jonathan Rajotte-Julien]

Hi John,

This does not seems to be directly related to the lttng-modules project.

This errors seems to arise because of the compiler you are using to compile
lttng-modules (kernel modules). The RETPOLINE check is part of the kernel build
system, not directly lttng-modules.

I would recommend that you take a look at the /proc/version file and the
compiler that was used to compile your kernel. 

Also note that EfficiOS [1] provide commercial support if you ever need more
in-depth support. 

Cheers

[1] https://www.efficios.com/contact/

On Fri, Nov 20, 2020 at 05:43:00PM +0000, Weber, John via lttng-dev wrote:
> Hi, I have a centos 7.8 workstation that I'm trying to install lttng-modules & lttng-tools from source. Based on your install instructions I'm working on installing the modules part first and its failing. I am getting the error:
> Make entering directory /usr/src/kernels/3.10.0-1127.19.1.el7.x86_64
> Arch/x86/Makefile:166 *** CONFIG_RETPOLINE=y, but not supported by the compiler. Compiler update recommended... stop
> Make: modules error 2
> 
> Help, how can I get this program to install? Im stuck. Also, my work environment is classified so there is no access to internet from high side.
> 
> ----------------------------
> John Weber
> Ball Aerospace
> ITS ND System Administrator
> 10 Longs Peak Dr., Broomfield, CO 80021
> C: 303-807-3608   P: 303-234-2103
> E: jweber1 at ball.com
> 
> 
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> 
> 
> [cid:image002.jpg at 01D6BF29.AD6C5250]<http://www.ball.com/aerospace>
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-- 
Jonathan Rajotte-Julien
EfficiOS