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I found the solution based on the discussion available at https://unix.stackexchange.com/questions/377345/installing-arm-none-eabi-gcc and the documentation available on https://mynewt.apache.org/latest/get_started/native_install/cross_tools.html#installing-the-arm-cross-toolchain.
The name and structure of the software changed over time. The arm-none-eabi-gcc is gcc-arm-none-eabi now, and so on.
$ sudo apt-get remove binutils-arm-none-eabi gcc-arm-none-eabi
$ sudo add-apt-repository ppa:team-gcc-arm-embedded/ppa
$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install gcc-arm-none-eabi
$ sudo apt-get install gdb-arm-none-eabi
And finally, to verify the downloads, you can run the following commands:
arm-none-eabi-gcc --version
arm-none-eabi-g++ --version
arm-none-eabi-size --version
In /etc/apt/sources.list, make sure the lines with universe are uncommented.
Re-run apt update and (as long as you have a working internter connection) it should work.
It turned out that ARM decided to make our life easier (sarcasm) by deprecating the use of PPA - their page at launchpad now has an anouncement: "... all new binary and source packages will not be released on Launchpad henceforth ...".
So, to make use of their latest arm-none-eabi-gdb you have to install gcc-arm-embedded manually.
Remove arm-none-eabi-gcc from your system:
sudo apt remove gcc-arm-none-eabi
Download latest version (Linux x86_64 Tarball) from their website, check its MD5. Unpack it into some directory. I used /usr/share/ :
sudo tar xjf gcc-arm-none-eabi-YOUR-VERSION.bz2 -C /usr/share/
Create links so that binaries are accessible system-wide:
sudo ln -s /usr/share/gcc-arm-none-eabi-YOUR-VERSION/bin/arm-none-eabi-gcc /usr/bin/arm-none-eabi-gcc
sudo ln -s /usr/share/gcc-arm-none-eabi-YOUR-VERSION/bin/arm-none-eabi-g++ /usr/bin/arm-none-eabi-g++
sudo ln -s /usr/share/gcc-arm-none-eabi-YOUR-VERSION/bin/arm-none-eabi-gdb /usr/bin/arm-none-eabi-gdb
sudo ln -s /usr/share/gcc-arm-none-eabi-YOUR-VERSION/bin/arm-none-eabi-size /usr/bin/arm-none-eabi-size
sudo ln -s /usr/share/gcc-arm-none-eabi-YOUR-VERSION/bin/arm-none-eabi-objcopy /usr/bin/arm-none-eabi-objcopy
Install dependencies. ARM's "full installation instructions" listed in readme.txt won't tell you what dependencies are - you have to figure it out by trial and error. In my system I had to manually create symbolic links to force it to work:
sudo apt install libncurses-dev
sudo ln -s /usr/lib/x86_64-linux-gnu/libncurses.so.6 /usr/lib/x86_64-linux-gnu/libncurses.so.5
sudo ln -s /usr/lib/x86_64-linux-gnu/libtinfo.so.6 /usr/lib/x86_64-linux-gnu/libtinfo.so.5
Check if it works:
arm-none-eabi-gcc --version
arm-none-eabi-g++ --version
arm-none-eabi-gdb --version
arm-none-eabi-size --version
I've wrapped the script here by @kmhallen into a semi-automated debian package builder here: https://gitlab.com/alelec/arm-none-eabi-gcc-deb/-/releases
Installing a package like this means you can skip the tedious manual symlinks to put tools on the path, and just as importantly you can uninstall / upgrade to newer packages (assuming I remember to make more packages)
I got it working on Kubuntu 19.10 installing:
apt install libncurses5
Not installing the "-dev", development or ":i386", 32-bit versions of the library.
I installed Ubuntu 18.10 desktop (Cosmic Cuttlefish) from here, but I was unable to install gcc-arm-none-eabi:
ubuntu@ubuntu:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.10
Release: 18.10
Codename: cosmic
ubuntu@ubuntu:~$ sudo apt-get install gcc-arm-none-eabi
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package gcc-arm-none-eabi
I then installed libncurses5-dev and gcc-linaro-7.3.1-2018.05-x86_64_arm and got the same .so-related error you got.
Since I don't have this issue with 16.04 nor with 18.04, I would suggest you compile the latest GDB from source in order to avoid what may be a package/dynamic link library mismatch issue in Ubuntu 18.10:
sudo apt-get install build-essential libncurses5-dev libexpat1-dev texinfo-doc-nonfree
pushd /tmp
wget -qO- ftp://ftp.gnu.org/gnu/gdb/gdb-8.2.tar.xz | tar Jxv
mkdir gdb
cd gdb
../gdb-8.2/configure --enable-tui --with-expat --prefix=/usr/local --target=arm-eabi --program-prefix=arm-eabi-
make all
sudo make install
popd
Install will fail because makeinfo is missing, even though I installed texinfo-doc-nonfree, but binaries will be installed:
ls /usr/local/bin
arm-eabi-gdb arm-eabi-gdb-add-index arm-eabi-run
And arm-eabi-gdb will launch properly this time:
arm-eabi-gdb --version
GNU gdb (GDB) 8.2
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
arm-eabi-gdb -tui will work as well - I encourage you to use the TUI mode. You should like it as much as I do - I guess.
As far as I can see, there are two options:
- Install an old version (as pointed out by Chaos)
- Install gdb-multiarch, which actually worked for me.
I had the same question, and googled some more. It seems that with modern GDB you no longer need a GDB for your specific architecture. Just use GDB.
(seems to work on my older 16.04 workstation as well. I've been typing arm-none-eabi-gdb all those years, while just "gdb" would've worked just as well! .....)