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TL'DR

What is this project?

This project provides the Latest, CI maintained, Precompiled Raspberry Pi CPU optimized GCC Cross & Native (ARM & ARM64) Compressed Standalone Toolchains, that is fastest to setup and saves you tons of time and helps you to get quickly started with software development on Pi.

Who will benefit from the project?

This project benefits everyone, from Professional Devs to a college research Student, looking for latest easy-to-use precompiled GCC toolchains for their Hobby Raspberry Pi project(s).

New v3.0+ Release SneekPeak

Automated CI maintained GCC standalone ARM & ARM64 toolchains.
Latest GCC 10.2.0 toolchains available.
Hardcoded paths free both Cross & Native Raspbian Buster (Debian 10) toolchains available.
Separate binaries for each Raspberry Pi variant (including latest Compute modules and Raspberry Pi 4).
PIGZ-TAR Compressed Binaries avaliable with maximum possible compression.
Exclusive ARM64|AARCH64 Binaries for Raspberry Pi 64-Bit kernel OS flavors.
Open-sourced Toolchains build-scripts are also available.
Latest GDB Debugger v9.2 included in all binaries.

Precompiled Toolchains: Easy-to-Use

This project now utilizes powerful Github Actions CI(Continuous Integration) to auto-compile Compressed GCC Cross & Native ARM & ARM64 Toolchain binaries and thereby auto-deploy them to SourceForge repository.

Automated Toolchain Builder Workflow:

Toolchain Binaries description table:

Here's a reference table for various CI generated OS targetted precompiled Toolchain Binaries available with this project:

References:

Host OS: on which the toolchain is executed/used.
Target OS: for which the toolchain generates code.

Toolchains	Host OS	Target OS	Current Status	Precompiled GCC versions available
Raspberry Pi GCC Cross-Compiler Toolchains(Stretch)	any x64/x86 Linux machine	Raspbian Stretch OS (Debian Version 9) only	Stable/Production	6.3.0, 9.3.0, 10.2.0
Raspberry Pi GCC Cross-Compiler Toolchains(Buster)	any x64/x86 Linux machine	Raspbian Buster OS (Debian Version 10) only	Stable/Production	8.3.0, 9.3.0, 10.2.0
Raspberry Pi GCC Native-Compiler Toolchains(Stretch)	Raspbian Stretch OS (Debian Version 9) only	Raspbian Stretch OS (Debian Version 9) only	Stable/Production	9.3.0, 10.2.0
Raspberry Pi GCC Native-Compiler Toolchains(Buster)	Raspbian Buster OS (Debian Version 10) only	Raspbian Buster OS (Debian Version 10) only	Stable/Production	9.3.0, 10.2.0
Raspberry Pi GCC 64-Bit Cross-Compiler Toolchains	any x64/x86 Linux machine	any x64 Raspberry Pi OS(like Pi64)	Stable/Production	6.3.0, 8.3.0, 9.3.0, 10.2.0
Raspberry Pi GCC 64-Bit Native-Compiler Toolchains	any x64 Raspberry Pi OS(like Pi64)	any x64 Raspbian OS(like Pi64)	Stable/Production	8.3.0, 9.3.0, 10.2.0
Exclusive/Experimental Toolchains	x86/x86_64 Pi Desktop	x86/x86_64 Pi Desktop	Beta/Experimental	10.2.0

Identifying Toolchain Binaries by Name:

You can easily identify each pre-compiled toolchain binary by its name as follows:

Tip::bulb: To get the location of each Binary of this project on SourceForge, you can also check out this Reference Tree.

Toolchain Setup Documentation:

These precompiled toolchains setup requires just three easy steps - Downloading, Extracting and Linking:

WIKI-Documentation (en-English)

Supported Toolchains Programming Languages:

C++
Fortran
C
Any other language support can be easily compiled.

Build-Script for Developers: Do It Yourself

Open-Source is awesome

This project now provides user-friendly open-sourced bash build-scripts that auto-generates Compressed Cross & Native GCC ARM & ARM64 Toolchain binaries targeting Raspberry Pi 32-bit & 64-bit OSes.
If you need additional language support or need to compile another suitable GCC version toolchains for your Raspberry Pi, then you can use these scripts to manually compile any GCC toolchains by running suitable build-scripts yourself through your system terminal.
You can find complete information about these build-scripts here

Supporting this Project

If these binaries helped you big time, please consider supporting it through any size donations.:heart:.

Also please share your thoughts or just drop a star :star:.

Additional Information

Supported Devices:

All Raspberry Pi hardware/versions/models are currently supported.
Any other ARM & ARM64 Device (such as Android, other SBCs, IoT etc.) with similar or compatible Hardware architecture(see Optimization Flags), should also work.

Optimization Flags Involved:

These toolchains are built with these following system-specific LTO (Link Time Optimization) flags, therefore you can easily take advantage of your Raspberry Pi's CPU specific features with these Toolchains while compiling your programs:

Raspberry Pi Board	Link Time Optimization Flags
Raspberry Pi - Zero/W/WH & 1 Model A/B/A+/B+	`-march=armv6 -mfloat-abi=hard -mfpu=vfp`
Raspberry Pi - 2 & 3 Model A/B	`-march=armv7-a -mfloat-abi=hard -mfpu=neon-vfpv4`
Raspberry Pi - 3 & 4 Model A+/B+ & Compute 3/3-lite/3+ (32-Bit)	`-march=armv8-a -mfloat-abi=hard -mfpu=neon-fp-armv8`
Raspberry Pi - 3 & 4 Model A+/B+ & Compute 3/3-lite/3+ (64-Bit)	`-march=armv8-a+fp+simd`

Raspberry Pi 4+: The latest Raspberry Pi 4 uses a Broadcom BCM2711 SoC with a 1.5 GHz 64-bit quad-core ARM Cortex-A72 processor, that also have armv8-a architecture similar to Raspberry Pi 3B+, therefore it is also officially supported!

Citing

Here is a Bibtex entry you can use to cite this project in a publication:

@misc{raspberry-pi-cross-compilers,
    Title = {Raspberry Pi Toolchains},
    Author = {Abhishek Thakur},
    howpublished = {\url{https://github.com/abhiTronix/raspberry-pi-cross-compilers}},
    year = {2020}  
  }