[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sun, 28 Nov 2021 10:10:54 +0100
From: magnum <magnumripper@...hmail.com>
To: john-users@...ts.openwall.com
Subject: Re: installing OpenCL / gpu drivers on Debian for AMD
Radeon R9 390 / Hawaii
On 2021-11-28 00:26, Aleksey Cherepanov wrote:
> The future is now: it is possible to use OpenCL on Debian 11 (Bullseye;
> current stable) using only packages from the official repo. Kernel
> already has amdgpu driver and can work with open source stack. OpenCL is
> implemented in mesa.
Good writeup!
> With 20.10, I had to specify paths for opencl building john:
> john/src$ LDFLAGS=' -L/opt/amdgpu-pro/lib/x86_64-linux-gnu/ ' CFLAGS=' -I/opt/amdgpu-pro/include/ ' ./configure ...
Use CPPFLAGS instead of CFLAGS, to avoid the below:
> It would generate a warning:
> configure: WARNING: No recognized optimization option present in CFLAGS ...
>
> -O3 on CFLAGS would yield other warning during make. So I am not sure
> how is right.
The default of CFLAGS is more like "-O2 -g" (-O3 is only for specific
files). So you could add that to your custom CFLAGS - but simply using
CPPFLAGS instead is generally less failure prone.
magnum
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
