Jetson Linux Toolchain — Jetson Linux Developer Guide documentation (original) (raw)

NVIDIA® specifies the Bootlin gcc 9.3.0 2020.08-1 aarch64 toolchain for:

• Cross-compiling applications to run on this release of NVIDIA® Jetson™ Linux.
• Cross-compiling code in the current-release Jetson Linux source.

This topic describes how to obtain the toolchain.

Toolchain Information¶

The toolchain contains the following components:

• GCC version: 9.3.0
• Binutils version: 2.33.1
• Glibc version: 2.31

Extracting the Toolchain¶

To extract the toolchain, enter these commands:

$ mkdir $HOME/l4t-gcc $ cd $HOME/l4t-gcc $ tar xf

Setting the CROSS_COMPILE Environment Variable¶

Many build systems require you to set environment variable CROSS_COMPILE to point at the toolchain to use. To set CROSS_COMPILE for the aarch64 toolchain, enter the command:

$ export CROSS_COMPILE=$HOME/l4t-gcc/bin/aarch64-buildroot-linux-gnu-