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Toolchain Releases

v14.2.0

This release bumps GCC from 13.2 to 14.2.

v13.2.0

This release bumps GCC from 12.2 to 13.2 and adopts the new version scheme that mirrors GCC versions.

  • Changes

    • Re-add static toolchain option since LTO no longer gets turned off when it's enabled.
    • Build a multilib toolchain for RISC-V glibc builds to support both 32-bit and 64-bit, soft and hard float compilation

  • Tool versions

    • GCC 13.2
    • glibc 2.38
    • musl 1.2.4
    • Linux 5.4 headers except for RISC-V. RISC-V uses Linux 5.15 headers.

v1.8.0

This release bumps GCC from 11.3 to 12.2.

v1.7.0

This release adds a riscv64 glibc toolchain since that has more support than muslc in the RISC-V community at the moment.

  • Changes

    • Removes Python scripting support in gdb (fixes toolchain compilation and probably not used)
    • Remove the static toolchain option since it was being ignored on MacOS. On Linux, it disabled LTO. LTO is included on all platforms now (the default).
    • Fixes runtime dependency on libzstd another way by forcibly turning it off with a Crosstool-NG option rather than adding a configure flag. This is possible now. Previously the option was hidden due to the static toolchain option.
    • Let gcc determine the correct option for SJLJ (setjmp/longjmp). The note where it doesn't work doesn't apply to Nerves platforms.

  • Tool versions

    • GCC 11.3
    • glibc 2.36 (New!)
    • musl 1.2.3
    • Linux 4.19 headers except for RISC-V. RISC-V uses Linux 5.10 headers.

v1.6.1

This release adds musl libc toolchains for aarch64 and armv7.

  • Fixes
    • Remove unneeded runtime dependency on libzstd. This caused an unintentional dependency to Homebrew on MacOS.

v1.6.0

This release bumps GCC from 10.3 to 11.3

  • New features

    • Include a Fortran compiler to make it easier to create Nerves systems that require Fortran.

  • Tool versions

v1.5.0

This should be a low risk update to v1.4.3. The main purpose is to make libgomp available. It remains on GCC 10, but pulls in the latest patch releases of associated build tools..

v1.4.3

This release bumps the Linux headers from 4.14 to 4.19. This requires that your Nerves system uses Linux 4.19 or later.

  • New features

    • Store a Build-ID by default. A Build-ID uniquely identifies an executable or shared library and is useful for matching up debug symbols to produce useful stack traces from C and C++ programs.
    • A 64-bit RISC-V crosscompiler is now available.

  • Tool versions

    • GCC 10.2
    • Linux 4.19 headers (except for RISC-V)
    • glibc 2.33
    • binutils 2.36.1

v1.4.2

This release reverts the switch from 4.14 headers to 4.4 headers in v1.4.0. This re-enables libgpiod (cdev), bluez5, iwd, and ply (eBPF) which required headers after 4.4.

  • Fixes

    • ARMv7 toolchain now defaults to "generic-arm-v7a" rather than "cortex-a9". This fixes a potential issue of generating invalid ARM instructions, but it appears that this did not affect ARM Cortex-A7 and A8 platforms supported by Nerves.

  • Tool versions

    • GCC 10.2
    • Linux 4.14 headers
    • glibc 2.33
    • binutils 2.36.1

v1.4.1

This release adds host support for native Mac M1 toolchains.

Hardware float has been enabled on the armv6 toolchain to further consistency with https://toolchains.bootlin.com configurations.

  • Updated dependencies
    • nerves_toolchain_ctng v1.8.2

v1.4.0

This release updates gcc from version 9.2.0 to 10.2.0 and includes various updates to the C runtime. See https://gcc.gnu.org/ for the many changes in the gcc 10.x releases.

All toolchains have been renamed to set the vendor to nerves. ARM32 toolchains were renamed for consistency with https://toolchains.bootlin.com naming.

nerves_toolchain_aarch64_unknown_linux_gnu        -> nerves_toolchain_aarch64_nerves_linux_gnu
nerves_toolchain_armv5tejl_unknown_linux_musleabi -> nerves_toolchain_armv5_nerves_linux_musleabi
nerves_toolchain_armv6_rpi_linux_gnueabi          -> nerves_toolchain_armv6_nerves_linux_gnueabi
nerves_toolchain_arm_unknown_linux_gnueabihf      -> nerves_toolchain_armv7_nerves_linux_gnueabihf
nerves_toolchain_i586_unknown_linux_gnu           -> nerves_toolchain_i586_nerves_linux_gnu
nerves_toolchain_mipsel_unknown_linux_musl        -> nerves_toolchain_mipsel_nerves_linux_musl
nerves_toolchain_x86_64_unknown_linux_gnu         -> nerves_toolchain_x86_64_nerves_linux_gnu
nerves_toolchain_x86_64_unknown_linux_musl        -> nerves_toolchain_x86_64_nerves_linux_musl

Linux headers were downgraded from 4.14.160 to 4.4.214 to support using toolchains with systems using older versions of Linux.

  • Tool versions

    • GCC 10.2
    • Linux 4.4.214 headers
    • glibc 2.32

  • Updated dependencies

    • nerves v1.7
    • nerves_toolchain_ctng v1.8.1

v1.3.2

This is a patch release that adds support for macOS >= High Sierra. There is no reason to update from 1.3.0 if that version works for you.

  • Updated dependencies
    • nerves_toolchain_ctng v1.7.2

v1.3.1

This is a patch release that enables support for 64-bit ARM hosts. There is no reason to update from 1.3.0 if that version works for you.

  • Updated dependencies
    • nerves v1.6.0
    • nerves_toolchain_ctng v1.7.1

v1.3.0

This release updates gcc from version 8.3.0 to 9.2.0 and includes various updates to the C runtime. See https://gcc.gnu.org/ for the many changes in the gcc 9.x releases.

  • Tool versions

    • Linux 4.14.160 headers
    • glibc 2.30
    • muslc 1.1.24

  • Updated dependencies

    • nerves v1.5
    • nerves_toolchain_ctng v1.7.0

v1.2.0

This release updates gcc from version 7.3.0 to 8.3.0 and includes various updates to the C runtime. See https://gcc.gnu.org/ for the many changes in the gcc 8.x releases.

  • Tool versions

    • glibc 2.29
    • muslc 1.1.21

  • Updated dependencies

    • nerves v1.4
    • nerves_toolchain_ctng v1.6.0

v1.1.0

This release upgrades gcc from version 6.3.0 to 7.3.0. This addresses a C++ compiler issue and may bring in performance improvements.

  • Tool versions

    • glibc 2.27
    • muslc 1.1.19

  • Updated dependencies

    • nerves v1.1
    • nerves_toolchain_ctng v1.5.0

v1.0.0

  • Updated dependencies
    • nerves v1.0
    • nerves_toolchain_ctng v1.4

v1.0.0-rc.0

  • Updated dependencies
    • nerves v1.0-rc
    • nerves_toolchain_ctng v1.4-rc

v0.13.1

  • Enhancements
    • Build static toolchains for Linux to avoid shared library issues

v0.13.0

  • Enhancements
    • Toolchains are now built through mix compile
    • Toolchain artifacts can be produced with mix nerves.artifact
    • Updated project to support nerves v0.9

v0.12.1

  • Bug Fixes
    • Configure toolchains to build app files. This will fix an issue where Mix does not respect app: false

v0.12.0

  • Enhancements
    • Updated for nerves 0.8. Moved nerves.exs to mix.exs

v0.11.0

  • Enhancements
    • Bumped all Linux 3.x kernel header configs up to 4.1
    • Build a cross gdb and gdbserver to support crash dump analysis and on target debugging of C/C++ code
  • Tool versions
    • m4-1.4.18
    • linux-4.1.39
    • gmp-6.1.2
    • mpfr-3.1.5
    • isl-0.18
    • mpc-1.0.3
    • expat-2.2.0
    • ncurses-6.0
    • libiconv-1.15
    • gettext-0.19.8.1
    • binutils-2.28
    • gcc-6.3.0
    • glibc-2.25
    • gdb-7.12.1

v0.10.1

  • Enhancements
    • Update nerves to 0.7
    • Fix compiler warnings for Elixir 1.5

v0.10.0

  • Enhancements
    • Updated nerves to 0.5.0 and loosened dep lock
    • Update linux header patch for 4.4

v0.9.0

  • New features
    • Bump gcc version from 4.9 to 5.3 - THIS BREAKS COMPILATION OF OLD LINUX KERNELS! If you have no choice but to use an old Linux kernel, please do not upgrade to this toolchain.
    • Added x86_64 toolchain that's built against glibc

v0.8.0

  • New features
    • Refactored defconfigs so that platform-independent and platform-dependent parts are stored separately. This majorly simplifies maintenance.
    • Added support for the :nerves_package compiler

v0.7.2

armv6_rpi_linux_gnueabi

  • Bug Fixes
    • [darwin] fixed defconfig to use 3.12 linux kernel headers

v0.7.1

  • New features
    • First release using combined toolchain repository