Use gpuowl pre_c++20 branch with rocm/dev-ubuntu-18.04 for PRE_VEGA "Radeon RX 480" GPU

openowl

#!/bin/bash

set -x

apt-get update 2>&1 > /dev/null 
apt-get install -y git 2>&1 > /dev/null

usermod -a -G video root
echo ROC_ENABLE_PRE_VEGA=1 >> /etc/environment
echo HSA_OVERRIDE_GFX_VERSION=8.0.3 >> /etc/environment


cat > /root/doit <<EOF
echo -e "\nNow executing /root/doit"
set -x
groups

/opt/rocm/bin/clinfo | grep "Number"
/opt/rocm/bin/clinfo | grep Board

apt install -y software-properties-common 2>&1 > /dev/null
add-apt-repository ppa:ubuntu-toolchain-r/test -y 2>&1 > /dev/null
apt-get install -y "g++-9" 2>&1 > /dev/null
apt-get install -y libgmp-dev 2>&1 > /dev/null
apt-get install -y vim 2>&1 > /dev/null
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 10
update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 10

git clone -b pre_c++20 https://github.com/Hermann-SW/gpuowl.git 2>&1 > /dev/null
cd gpuowl/

sed -i "s#\(lOpenCL\)#\1 -L/opt/rocm/lib#" Makefile
make amd > /dev/null

echo "PRP=0,1,2,859433,-1,77,0" > worktodo.txt
build-release/prpll-amd
EOF


# execute created /root/doit script
chmod 755 /root/doit
su - root ./doit

echo -e "\nEnter login shell for further work"
su -l - root

Revision 3 uses gpuowl pre_c++20 branch for upcoming dev work
(rocm/dev-ubuntu-18.04 for PRE_VEGA "Radeon RX 480" GPU).