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⚒️ Bleeding edge GNU GCC toolchains (CC only) built from sources with latest binutils and glibc. (for ARM)

radcolor/arm-linux-gnueabi

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README.md

Bleeding edge GNU GCC AArch32 systems. built from sources with latest binutils and glibc. These Builds (on master/main branch) are always made from the latest GCC sources rather than stable releases.

This toolchain AArch32 AArch64 here. Built with Support for Link Time Optimization, -O3, —disable-nls and removed extras that we don’t need.

Clone using git from this repo, As currently we don’t have any mirror or a archived release.

$ git clone https://github.com/theradcolor/arm-linux-gnueabi --depth=1 

Note: This is continous updating repository made from the latest GCC sources rather than stable releases, if you want to use stable release of gcc clone the stable-gcc branch of this repository.

$ git clone https://github.com/theradcolor/arm-linux-gnueabi -b stable-gcc --depth=1 

Note: Also using depth flag (—depth=1) is recommended as repository size is large and will keep increasing in future updates.

Export the CROSS_COMPILE in enviroment

$ export CROSS_COMPILE=/bin/arm-linux-gnueabi- 

Along with the compiler (GCC) which is built from latest sources, the GNU and other libraries and prerequisite are also been built from latest sources itself.

Multiple-Precision Floating-Point Computations with Correct Rounding (MPFR) http://www.mpfr.org/

C Standard Library Intended for use on Embedded Systems (NEWLIB) https://sourceware.org/newlib/

GCC is licensed under version 3 of the GNU General Public License. The GCC runtime exception permits compilation of proprietary and free software programs with GCC and usage of free software plugins. The availability of this exception does not imply any general presumption that third-party software is unaffected by the copyleft requirements of the license of GCC.

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⚒️ Bleeding edge GNU GCC toolchains (CC only) built from sources with latest binutils and glibc. (for ARM)

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Install the ARM cross compiler toolchain on your Linux PC

This article illustrates how to install on a Linux PC the complete toolchain to cross compile the Linux Kernel, device drivers and applications for the Acme Systems Linux board.

This procedure has been tested on: Ubuntu 18.04.4 LTS and Debian Buster 10

Install the Cross Compilers, utilities, etc.

Install the GCC, G++ cross compilers and support programs by typing:

sudo apt update sudo apt install libc6-armel-cross libc6-dev-armel-cross binutils-arm-linux-gnueabi libncurses5-dev build-essential bison flex libssl-dev bc

If you are using an Acqua or RoadRunner board:

Now you are ready to cross-compile on your PC all the source available for the Acme Boards based on Microchip MPUs.

Try the cross C compiler

Let’s try to cross compile a Hello World example in C and running it on an Acme board.

#include "stdio.h" int main(void)

Compile it by typing, if you are using an Arietta, Aria or FOX G20 board:

or, if you are using an Acqua or RoadRunner board:

As you can see we are using the ARM version of gcc just installed on your PC. It will generate an executable file for your Linux board.

Copy the executable file on the board via ssh:

Then open a command session on your board and run the example:

Try the cross C++ compiler

Let’s try to cross compile a Hello World example in C++ and running it on an Acme board.

#include "iostream" using namespace std; int main(int argc, char *argv[])

Compile it typing, if you are using an Arietta, Aria or FOX G20 board:

or, if you are using an Acqua or RoadRunner board:

As you can see we are using the ARM version of gcc just installed on your PC. It will generate an executable file for your Linux board.

Copy the executable file on the board via ssh:

Then open a command session on your board and run the example:

Related products

• CPU Microchip SAMA5D27
• Cortex A5 @ 500 MHz
• Very low power consumption:
  396mW in full speed mode
  198mW at Linux prompt
  17mW in standby mode
  10mW in suspend to RAM mode
• Armhf architecture
• DDR3L RAM 256 MB
• QuadSPI 0/16/64/128MB
• Size: 40×30 mm
• Plug-in module
• 200 pins 0.4 mm pitch
• TFT parallel interface
• Boot from internal Quad SPI or external uSD/eMMC
• Linux Kernel 5.15 LTS
• Debian, Buildroot and Yocto
• Open source drivers

• Single Board Computer based on RoadRunner Linux SOM (Included)
• Classic «Credit Card» form factor
• Two USB Host 2.0 ports (one configurable as USB client on the USB-C connector)
• One 10/100 Mbit/s Lan port
• Two AcmeSensor ports
• Double placements for 2.54mm pitch 20×2 pinstrips (not soldered) for GPIOS, SPI, I2C, Serial etc ports

• All the circuitries you need to test the RoadRunner SOM
• USB host, USB device, Ethernet port, MicroSD socket
• Test points for power consumption measurements
• All the Roadrunner signals exposed on 2.54mm pitch pins
• On-board supercap for RTC and backup memory circuit

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Install Arm GNU Toolchain on Ubuntu 22.04

The Arm GNU toolchain (previously known as GNU Arm Embedded toolchain) is a collection of packages such as GCC (GNU Compiler Collection), Binutils, GDB, and other. It is used for embedded systems software development. This toolchain targets the 32-bit ARM Cortex-A, ARM Cortex-M, and ARN Cortex-R processor families.

This tutorial shows how to install Arm GNU toolchain on Ubuntu 20.04.

Install toolchain

There is no straightforward way to determine the latest version of toolchain via command line. So download web page and extract the latest version of toolchain as follows:

ARM_TOOLCHAIN_VERSION=$(curl -s https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads | grep -Po '
Version \K.+(?=
)')

Next, download archive file from official website:

curl -Lo gcc-arm-none-eabi.tar.xz "https://developer.arm.com/-/media/Files/downloads/gnu/$/binrel/arm-gnu-toolchain-$-x86_64-arm-none-eabi.tar.xz"

Create a new directory to store toolchain files:

sudo mkdir /opt/gcc-arm-none-eabi

Extract toolchain files to specified directory:

sudo tar xf gcc-arm-none-eabi.tar.xz --strip-components=1 -C /opt/gcc-arm-none-eabi

Add /opt/gcc-arm-none-eabi/bin directory to the PATH environment variable.

echo 'export PATH=$PATH:/opt/gcc-arm-none-eabi/bin' | sudo tee -a /etc/profile.d/gcc-arm-none-eabi.sh

To make changes to take effect, logout and login to your system or run the following command to apply the changes immediately:

We can check version of compilers:

Remove unnecessary archive file:

rm -rf gcc-arm-none-eabi.tar.xz

Testing toolchain

arm-none-eabi-gcc --specs=rdimon.specs main.c -o test

The file command can be used to verify that executable file is for ARM architecture.

test: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), statically linked, with debug_info, not stripped

Uninstall toolchain

If you want to completely remove GNU Arm Embedded toolchain, delete the installation directory:

sudo rm -rf /opt/gcc-arm-none-eabi

Remove gcc-arm-none-eabi.sh file that is used to set environment variable:

sudo rm -rf /etc/profile.d/gcc-arm-none-eabi.sh

GNU Debugger (GDB) dependencies

Read this section if you want to use GNU Debugger (GDB). It requires installing additional dependencies.

arm-none-eabi-gdb: error while loading shared libraries: libncursesw.so.5: cannot open shared object file: No such file or directory

Then install libncursesw5 package:

sudo apt install -y libncursesw5

• On Linux, Arm GNU toolchain provides GDB with Python support. It requires installation of Python 3.8. If you are receiving an error regarding Python, such as:

Could not find platform independent libraries Could not find platform dependent libraries Consider setting $PYTHONHOME to [:] Python path configuration: PYTHONHOME = (not set) PYTHONPATH = (not set) . Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding Python runtime state: core initialized ModuleNotFoundError: No module named 'encodings'

Then install Python 3.8 using the separate post. See section «Install older versions».

When installation finished, check GDB version:

If everything installed successfully, you will get output similar to the following:

GNU gdb (Arm GNU Toolchain 12.2.MPACBTI-Bet1 (Build arm-12-mpacbti.16)) 13.0.50.20220406-git Copyright (C) 2022 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

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The 11 Comments Found

sudo mkdir /opt/gcc-arm-none-eabi
Can I change directory this extract file to the Home folder and PATH environment variable in this folder without any error??
Thank you so much for your help

There are no requirements for installation directory. So, you can extract archive file to home directory and set corresponding PATH environment variable.

You are doing a bit more than only extend the PATH variable.
You are echoing the command to extend the PATH variable onto stdin then capture it via tee and put it (append it) into a file called gcc-arm-none-eabi.sh which resides in the path /etc/profile.d/. This enables you to have the PATH variable dynamically set on each system boot up by the system’s profile mechanism.

Thanks for this tutorial. It helped me install one of ARM’s toolchains on GitHub Actions. Wanted to show my appreciation. Will be checking out more of your content. Cheers.

It seems that you need additional step: to «export ARM_TOOLCHAIN_VERSION=12.2.Rel1» or whatever version.
Thanks for the very detailed steps.

Hi,
The tutorial provides a command which downloads the web page, extracts the latest version of toolchain and assigns version to the ARM_TOOLCHAIN_VERSION variable. Of course, version can be specified manually like you did.

Hi, can I ask a question?
This toolchain is used to developing apps on arm, right? I will not build again?
Thanks!

Hi,
Arm GNU Toolchain is a collection of tools that are used to create applications for ARM-based devices such as Raspberry Pi. Once you have built your application using the toolchain, you can run it on your ARM-based device.

Hi! This article really helped me today. thanks for sharing! any tips on how to configure vscode to do gdb debugging on ARM embedded code?

Hi,
I’m glad to hear that the article assisted you in setting up the Arm GNU Toolchain on your system. Visual Studio Code offers a range of extensions designed to enhance the debugging capabilities for embedded systems based on ARM Cortex-M. To access these extensions, you can explore the official Visual Studio marketplace, where you’ll find a selection of options. Take the time to review the descriptions of each extension to understand how to configure and utilize the debugging features effectively.

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