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Want to try out stable GCC 7 on your ARM microcontroller?

Freddie Chopin

EDIT: Stable GCC 7.1.0 is already released - see first reply below for details!

 

If you're very impatient waiting for the full GCC 7.1.0 release (expected this month), you can try experimental GCC 7 version with your ARM microcontroller right now (;

$ arm-none-eabi-gcc --version
arm-none-eabi-gcc (bleeding-edge-toolchain) 7.0.1 20170402 (experimental)
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

https://github.com/FreddieChopin/bleeding-edge-toolchain/tree/gcc-7-experimental

The script is able to produce a working toolchain for Linux. It is also possible to cross-compile a toolchain for Windows (32-bit or 64-bit) - either in Linux or in "Bash on Ubuntu on Windows" (I've heard it can be done, but the process is painfully slow - who would expect that? (; ).

I've tested that toolchain briefly and it appears to work fine (;

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  • 0 in reply to 42Bastian Schick

    Generally the patch to add such big-endian support is not very hard to make, but I have absolutely no means to test such feature, so I do not think I am the right person to do that... Beside different location, the contents of the file is "reorganized", so the porting probably will not be trivial. In any case - if you face some problems, let me know, I cannot say that I fully understand the syntax of these files, but I have some knowledge about that, so maybe I will be able to help. You can also try contacting the person who submitted the original patch to bleeding-edge-toolchain.

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  • 0 in reply to 42Bastian Schick

    Generally the patch to add such big-endian support is not very hard to make, but I have absolutely no means to test such feature, so I do not think I am the right person to do that... Beside different location, the contents of the file is "reorganized", so the porting probably will not be trivial. In any case - if you face some problems, let me know, I cannot say that I fully understand the syntax of these files, but I have some knowledge about that, so maybe I will be able to help. You can also try contacting the person who submitted the original patch to bleeding-edge-toolchain.

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