platformio/platformio-core

Bug: build_src_flags has an impact on lib_deps

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#5,245 opened on Aug 31, 2025

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Description

$ pio --version PlatformIO Core, version 6.1.19a2

see my https://github.com/platformio/platformio-core/issues/4667#issuecomment-3240460103

in particular this is the case for "-Wpedantic" set in build_src_flags

Contributor guide

Research direction
Investigate how build src flags interacts with lib deps in PlatformIO's build system to prevent unintended propagation of flags.
Tech stack
pythoncpp
Domain
build system
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
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Active
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Mostly clear
Prerequisites
GitPlatformIO
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60