platformio / platformio/platformio-core

Pass build flags to the specific scope

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build system feature
Dominant language
Python
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Merged PRs (30d)
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Description

Allow passing build flags to the specific scope. See https://docs.platformio.org/en/latest/projectconf/section_env_build.html#build-flags

Example,

[env:myenv]
board = ...
build_flags =
    ; Only for C files
    CFLAGS: -Wno-old-style-declaration
    ; Only for CPP files
    CXXFLAGS: -fexceptions
    LINKFLAGS: -u __cxa_guard_dummy -u ld_include_panic_highint_hdl 

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the build-flags documentation linked in the issue, then trace the existing build-flag handling in platformio-core. The change is complete when CFLAGS, CXXFLAGS, and LINKFLAGS from an environment are passed only to their corresponding build stages, as shown by the example.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
build-system
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
32/100

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