In the following notes we assume that you want to build the cpuminer-multi software for a Raspberry Pi with ARMv7 architecture.
Basically, ARMv7 and below are 32-bit while ARMv8 introduces the 64-bit instruction set. The latest version of Raspberry Pi 4 comes with an ARMv8 64-bit instruction set.
We will use the release v5.11.4 from the xmrig repository (but you can even compile v6.2.3).
Just to make sure you have an armv7 RPi you can run the following command in a shell prompt:
root@raspberrypi:~# uname -mYou should get a response like this:
root@raspberrypi:~# uname -m
armv7l
root@raspberrypi:~# Another way to check the architecture of your CPU is the lscpu command:
root@raspberrypi:~# lscpu
Architecture: armv7l
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
Vendor ID: ARM
Model: 4
Model name: Cortex-A53
Stepping: r0p4
CPU max MHz: 1200.0000
CPU min MHz: 600.0000
BogoMIPS: 38.40
Flags: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32Before starting the build please make sure you have installed the following libraries (make sure you are logged in as root otherwise you will have to use sudo infront of each of the commands):
root@raspberrypi:~# apt update
root@raspberrypi:~# apt-get install git build-essential cmake libuv1-dev libssl-dev libhwloc-devWe will use the main repository :
root@raspberrypi:~# wget https://github.com/xmrig/xmrig/archive/refs/tags/v5.11.4.zip
root@raspberrypi:~# unzip v5.11.4.ziproot@raspberrypi:~# cd xmrig-5.11.4
root@raspberrypi:~/xmrig-5.11.4# mkdir build
root@raspberrypi:~/xmrig-5.11.4# cd build
root@raspberrypi:~/xmrig-5.11.4/build# cmake .. -DARM_TARGET=7
root@raspberrypi:~/xmrig-5.11.4/build# makeIf you get any errors about
undefined reference to `__atomic...please add following line to the file CMakeLists.txt: open with an editor:
nano CMakeLists.txtand under the line:
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")please add also this line:
set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -latomic")Rerun the cmake command and if no errors appear you are ready to go:
root@raspberrypi:~/xmrig-5.11.4/build# makeIf everything gone well when you run the command :
root@raspberrypi:~/xmrig-5.11.4/build# ./xmrig --version You should get a similar screen like this:
XMRig 5.11.4
built on Oct 12 2021 with GCC 8.3.0
features:
libuv/1.24.1
OpenSSL/1.1.1d
hwloc/1You are ready to create the configuration file,use your favorite mining pool and start mining:
root@raspberrypi:~/xmrig-5.11.4/build# ./xmrig -c <config_filename>- Most usefull resource is the repository of the xmrig: https://github.com/xmrig/xmrig.git
- Release v5.11.4: https://github.com/xmrig/xmrig/releases/tag/v5.11.4
- Build instructions: https://github.com/xmrig/xmrig/wiki/Ubuntu-Build
- xmrig/xmrig#744
- xmrig/xmrig#1224
- https://github.com/xmrig/xmrig/blob/master/src/config.json
- More details about the various architectures for RPi : https://en.wikipedia.org/wiki/Raspberry_Pi
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