This PR fixes an issue in the platformio build script where a tuple containing the arguments is placed into LINKFLAGS. This broke a custom script in a different project (Bosch BSEC2 sensor library) that looks at LINKFLAGS.
I'm not sure how it worked before..

I've tested this locally and it's a minor change.

Fix LINKFLAGS containing a tuple in platformio build script

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fpistm commentedJun 9, 2025

Hi@Stary2001
Thanks for the PR.
@valeros I guess you are the best to approve this change.

fpistm added this toSTM32 core based on ST HAL

Jun 10, 2025

github-project-automationbot moved this toIn progress inSTM32 core based on ST HAL

Jun 10, 2025

fpistm added this to the2.11.0 milestone

Jun 10, 2025

fpistm added the fix 🩹Bug fix label

Jun 10, 2025

fifieldt approved these changes

Jun 10, 2025

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valeros commentedJun 11, 2025

Hi guys, thanks for pinging.

@Stary2001 Could you please share a project to reproduce the issue?

Stary2001 added a commit to Stary2001/pio-project-for-pr-2751 that referenced this pull request

Jun 13, 2025

initial commit of reproducer forstm32duino/Arduino_Core_STM32#2751

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Stary2001 commentedJun 13, 2025

@valeros I've made a simple reproducer here -https://github.com/Stary2001/pio-project-for-pr-2751
It doesn't need anything, apart from lib_deps = boschsensortec/bsec2 - it fails before compiling any source files.

The extra script they use is here:https://github.com/boschsensortec/Bosch-BSEC2-Library/blob/master/extra_script.py#L18 - it iterates over LINKFLAGS to find the mcpu= argument that's being used.