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Compiler changing problem [message #1817889]

Mon, 02 December 2019 10:14

Lucian Pop

Messages: 4
Registered: November 2019

Junior Member

I would like to change the default compiler used by "Eclipse System Workbench for STM32" to GNU GCC 4.5.3.

Can someone point me to the step-by-step explanations?

Looking forward for your reply!

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Re: Compiler changing problem [message #1817913 is a reply to message #1817889]

Tue, 03 December 2019 05:37

David Vavra

Messages: 1426
Registered: October 2012

Senior Member

Eclipse System Workbench for STM32 is a third party product.
You really should be asking at their support site.
https://www.st.com/en/development-tools/sw4stm32.html

Assuming it isn't much different than standard CDT,
you should be able to change the toolchain with
Project --> Properties --> C/C++ Build -->Tool Chain Editor

Whether you will get GNU GCC 4.5.3 depends on what is installed in your system.
4.5.3 is a really old version and may be hard to find if you don't already have it.
Is there some particular reason for wanting that version?

You may be better off installing the current Eclipse w/CDT and GCC.

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Re: Compiler changing problem [message #1819054 is a reply to message #1817913]

Mon, 06 January 2020 13:05

Lucian Pop

Messages: 4
Registered: November 2019

Junior Member

Dear David,

Thank you for your answer and sorry for my late response.

It is mandatory for me to change the compiler version from 5.2.1 (standard one used under default installation) to 4.5.3.
The intention is to certify this project and this specific compiler is requested in order to comply with all the tools that are needed.

I have tried downloading the compiler and manually changing some parameters but, with no success.
I am getting the following error: "arm-none-eabi-gcc: nosys.specs: No such file or directory" which is related to STM32 file structure.
Can you please be more specific with: "Project --> Properties --> C/C++ Build -->Tool Chain Editor"?

Looking forward for your reply!

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Re: Compiler changing problem [message #1819060 is a reply to message #1819054]

Mon, 06 January 2020 21:45

David Vavra

Messages: 1426
Registered: October 2012

Senior Member

You can do this by:

if 4.5.3 is your system default (or is first in your execution path):
Go to Project --> Properties --> C/C++ Build -->Tool Chain Editor
and change "Cross GCC" to "Linux GCC" in the Current toolchain box
OR keep the chain as "Cross GCC" but change the prefix to <path to 4.5.3>/bin/ (note the trailing slash) in
Project --> Properties --> C/C++ Build --> Settings --> Tool settings tab --> Cross Settings
When building, the Make recipe will call <path to 4.5.3>/bin/gcc for the compiler
In the example below it becomes /usr/bin/gcc
OR keep the chain as "Cross GCC" but change the path to <path to 4.5.3>/bin
but this would be prepended to the execution path when Make is invoked
and may not be visible so would be difficult to show it being used.

Attachment: ToolChainCross_2020-01-06_16-30-53.png
(Size: 32.29KB, Downloaded 5531 times)
Attachment: CrossSetingsPath2bin_2020-01-06_17-04-49.png
(Size: 40.58KB, Downloaded 5476 times)

[Updated on: Fri, 10 January 2020 11:20]

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