xPack GNU RISC-V Embedded GCC v14.2.0-1 released
Version 14.2.0-1 is a new release; it follows the GNU GCC release.
The xPack GNU RISC-V Embedded GCC is a standalone cross-platform binary distribution of GNU GCC for embedded RISC-V.
There are separate binaries for Windows (x64), macOS (x64 and arm64) and GNU/Linux (x64, arm64 and arm).
The main targets for the GNU/Linux Arm binaries are the Raspberry Pi class devices (armv7l and aarch64; armv6 is not supported).
Download
The binary files can be downloaded automatically with xpm or manually from GitHub Releases.
Prerequisites
- x64 Windows: Windows 7 with the Universal C Runtime (UCRT), Windows 8, Windows 10, Windows 11
- x64 macOS: 10.13 or later
- arm64 macOS: 11.6 or later
- x64 GNU/Linux: any system with GLIBC 2.27 or higher (like Ubuntu 18 or later, Debian 10 or later, RedHat 8 or later, Fedora 29 or later, etc)
- arm64/arm GNU/Linux: any system with GLIBC 2.27 or higher (like Raspberry Pi OS, Ubuntu 18 or later, Debian 10 or later, RedHat 8 or later, Fedora 29 or later, etc)
Install
The easiest way to install this specific version, is by using xpm:
xpm install @xpack-dev-tools/riscv-none-elf-gcc@14.2.0-1.1 -verbose
The full details of installing the xPack GNU RISC-V Embedded GCC on various platforms can be found in the Install Guide.
Compliance
The xPack GNU RISC-V Embedded GCC uses the official sources, with no functional changes:
- GCC 14.2.0
- binutils 2.42
- newlib 4.4.0
- gdb 15.1
- python 3.12.2
Supported libraries
The default architecture/ABI pair is rv32imac/ilp32
.
The other supported libraries are:
$ riscv-none-elf-gcc -print-multi-lib
.;
rv32e/ilp32e;@march=rv32e@mabi=ilp32e
rv32ea/ilp32e;@march=rv32ea@mabi=ilp32e
rv32eac/ilp32e;@march=rv32eac@mabi=ilp32e
rv32ec/ilp32e;@march=rv32ec@mabi=ilp32e
rv32em/ilp32e;@march=rv32em@mabi=ilp32e
rv32ema/ilp32e;@march=rv32ema@mabi=ilp32e
rv32emac/ilp32e;@march=rv32emac@mabi=ilp32e
rv32emc/ilp32e;@march=rv32emc@mabi=ilp32e
rv32i/ilp32;@march=rv32i@mabi=ilp32
rv32ia/ilp32;@march=rv32ia@mabi=ilp32
rv32iac/ilp32;@march=rv32iac@mabi=ilp32
rv32iaf_zicsr/ilp32f;@march=rv32iaf_zicsr@mabi=ilp32f
rv32iafc_zicsr/ilp32f;@march=rv32iafc_zicsr@mabi=ilp32f
rv32iafd_zicsr/ilp32d;@march=rv32iafd_zicsr@mabi=ilp32d
rv32iafdc_zicsr/ilp32d;@march=rv32iafdc_zicsr@mabi=ilp32d
rv32ic/ilp32;@march=rv32ic@mabi=ilp32
rv32if_zicsr/ilp32f;@march=rv32if_zicsr@mabi=ilp32f
rv32ifc_zicsr/ilp32f;@march=rv32ifc_zicsr@mabi=ilp32f
rv32ifd_zicsr/ilp32d;@march=rv32ifd_zicsr@mabi=ilp32d
rv32ifdc_zicsr/ilp32d;@march=rv32ifdc_zicsr@mabi=ilp32d
rv32im/ilp32;@march=rv32im@mabi=ilp32
rv32ima/ilp32;@march=rv32ima@mabi=ilp32
rv32imaf_zicsr/ilp32f;@march=rv32imaf_zicsr@mabi=ilp32f
rv32imafc_zicsr/ilp32f;@march=rv32imafc_zicsr@mabi=ilp32f
rv32imafd_zicsr/ilp32d;@march=rv32imafd_zicsr@mabi=ilp32d
rv32imafdc_zicsr/ilp32d;@march=rv32imafdc_zicsr@mabi=ilp32d
rv32imc/ilp32;@march=rv32imc@mabi=ilp32
rv32imf_zicsr/ilp32f;@march=rv32imf_zicsr@mabi=ilp32f
rv32imfc_zicsr/ilp32f;@march=rv32imfc_zicsr@mabi=ilp32f
rv32imfd_zicsr/ilp32d;@march=rv32imfd_zicsr@mabi=ilp32d
rv32imfdc_zicsr/ilp32d;@march=rv32imfdc_zicsr@mabi=ilp32d
rv64i/lp64;@march=rv64i@mabi=lp64
rv64ia/lp64;@march=rv64ia@mabi=lp64
rv64iac/lp64;@march=rv64iac@mabi=lp64
rv64iaf_zicsr/lp64f;@march=rv64iaf_zicsr@mabi=lp64f
rv64iafc_zicsr/lp64f;@march=rv64iafc_zicsr@mabi=lp64f
rv64iafd_zicsr/lp64d;@march=rv64iafd_zicsr@mabi=lp64d
rv64iafdc_zicsr/lp64d;@march=rv64iafdc_zicsr@mabi=lp64d
rv64ic/lp64;@march=rv64ic@mabi=lp64
rv64if_zicsr/lp64f;@march=rv64if_zicsr@mabi=lp64f
rv64ifc_zicsr/lp64f;@march=rv64ifc_zicsr@mabi=lp64f
rv64ifd_zicsr/lp64d;@march=rv64ifd_zicsr@mabi=lp64d
rv64ifdc_zicsr/lp64d;@march=rv64ifdc_zicsr@mabi=lp64d
rv64im/lp64;@march=rv64im@mabi=lp64
rv64ima/lp64;@march=rv64ima@mabi=lp64
rv64imac/lp64;@march=rv64imac@mabi=lp64
rv64imaf_zicsr/lp64f;@march=rv64imaf_zicsr@mabi=lp64f
rv64imafc_zicsr/lp64f;@march=rv64imafc_zicsr@mabi=lp64f
rv64imafd_zicsr/lp64d;@march=rv64imafd_zicsr@mabi=lp64d
rv64imafdc_zicsr/lp64d;@march=rv64imafdc_zicsr@mabi=lp64d
rv64imc/lp64;@march=rv64imc@mabi=lp64
rv64imf_zicsr/lp64f;@march=rv64imf_zicsr@mabi=lp64f
rv64imfc_zicsr/lp64f;@march=rv64imfc_zicsr@mabi=lp64f
rv64imfd_zicsr/lp64d;@march=rv64imfd_zicsr@mabi=lp64d
rv64imfdc_zicsr/lp64d;@march=rv64imfdc_zicsr@mabi=lp64d
Changes
Compared to the upstream GNU release, there are no functional changes.
Bug fixes
- none
Enhancements
- none
Known problems
- due to the large number of libraries, the archive is >500 MB.
Documentation
The original GNU Arm Embedded GCC documentation is available from the GCC online documentation web site.
Build
The binaries for all supported platforms (Windows, macOS and GNU/Linux) were built using the xPack Build Box (XBB), a set of build environments based on slightly older distributions, that should be compatible with most recent systems.
For the prerequisites and more details on the build procedure, please see the Maintainer Info page.
CI tests
Before publishing, a set of simple tests were performed on an exhaustive set of platforms. The results are available from:
Tests
The binaries were tested on a variety of platforms, but mainly to check the integrity of the build, not the compiler functionality.
Checksums
The SHA-256 hashes for the files are:
37e862dfe7c085a4497cd9f7d2d44468500ddb9ecce7c02a40784a4bd52d0c5e
xpack-riscv-none-elf-gcc-14.2.0-1-darwin-arm64.tar.gz
8baa5c250da21146ccda934b10f35b9fab082c2d4ee0577cc11bdcddd240e7cd
xpack-riscv-none-elf-gcc-14.2.0-1-darwin-x64.tar.gz
ac41040fd2995c68a2445902d7f94d50e52b0cca8a70fe0543bcfcba7e8dc9ea
xpack-riscv-none-elf-gcc-14.2.0-1-linux-arm.tar.gz
12b9f088733054628e75067456b670ac4da2cc452c0ce0466645d73f0dee14c2
xpack-riscv-none-elf-gcc-14.2.0-1-linux-arm64.tar.gz
a5eb707595e1424ff4127cc8b21b8b8cb076e6f0070b670485e72b9f74806200
xpack-riscv-none-elf-gcc-14.2.0-1-linux-x64.tar.gz
183d602dc1eb7de43eb43ac43afef492f02b665c26418733ca5bca959c1ee5c3
xpack-riscv-none-elf-gcc-14.2.0-1-win32-x64.zip
Deprecation notices
GNU/Linux minimum requirements
The minimum requirement is GLIBC 2.27, available starting with Ubuntu 18, Debian 10 and RedHat 8. Support for RedHat 7 was dropped in 2022.
32-bit support
Support for 32-bit x86 GNU/Linux and x86 Windows was dropped in 2022.
Pre-deprecation notice for 32-bit Arm GNU/Linux
Due to the large user base of 32-bit Raspberry Pi systems, support for 32-bit Arm GNU/Linux (armv7l) will be preserved for a little while, but expect it to be dropped by 2025, so it is recommended to consider an upgrade to a RPi 4 or 5 with at least 4 GB (preferably 8 GB) of RAM.
Pre-deprecation notice for Ubuntu 18.04
Ubuntu 18.04 LTS Bionic Beaver reached the end of the standard five-year maintenance window for Long-Term Support (LTS) release on 31 May 2023.
As a courtesy, the xPack GNU/Linux releases will continue to be based on Ubuntu 18.04 for another year.
From 2025 onwards, the GNU/Linux binaries will be built on Debian 10, (GLIBC 2.28), and are also expected to run on RedHat 8.
Users are urged to update their build and test infrastructure to ensure a smooth transition to the next xPack releases.
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