Documentation

Release Notes for CRUX-ARM 3.4

Introduction

This page discusses relevant features related to CRUX-ARM 3.4. Everybody upgrading from the previous release is advised to carefully read the following notes.

Toolchain updates

CRUX-ARM 3.4 includes glibc 2.27, gcc 7.3.0 and binutils 2.29

Supported devices

The generic release should work on all capable ARM devices (SOCs with hardfp support).
In this version there are two flavours, we keep the 32bits release and we are introducing 64b support (aarch64).

Kernel

The oldest kernel supported by glibc is 3.2

Releases

We provide a set of core packages as a root file system in crux-arm-rootfs-3.4, ready to be deployed on the devices depending in how they manage the media.

• Generic 32b release CFLAGS="-O2 -pipe"
  • http://resources.crux-arm.nu/releases/3.4/crux-arm-rootfs-3.4.tar.xz
• Generic 64b release CFLAGS="-O2 -pipe"
  • http://resources.crux-arm.nu/releases/3.4/crux-arm-rootfs-3.4-aarch64.tar.xz

32b Optimized releases

• Cubieboard2 release CFLAGS="-O2 -pipe -march=native"
  • http://resources.crux-arm.nu/releases/3.4/crux-arm-rootfs-3.4-cubieboard2.tar.xz
• Odroid XU4 release CFLAGS="-O2 -pipe -mfloat-abi=hard -march=armv7ve -mtune=cortex-a15 -mfpu=neon-vfpv4""
  • http://resources.crux-arm.nu/releases/3.4/crux-arm-rootfs-3.4-odroidxu4.tar.xz

64b Optimized releases

• Pine64 release CFLAGS="-O2 -pipe -march=armv8-a -mtune=cortex-a53"
  • http://resources.crux-arm.nu/releases/3.4/crux-arm-rootfs-3.4-pine64.tar.xz
• Raspberrypi3 release CFLAGS="-O2 -pipe -march=armv8-a+crc -mabi=lp64 -mlittle-endian"
  • http://resources.crux-arm.nu/releases/3.4/crux-arm-rootfs-3.4-raspberrypi3.tar.xz

Incompatible changes and important notes

It's recommended to read carefully these CRUX release notes before upgrading: https://crux.nu/Main/ReleaseNotes3-4