update minimum swig to 4.4.1#1383
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This provides consistent ABI 5 support across BSK and BSK-SDK plugin builds
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This provides consistent ABI 5 support across BSK and BSK-SDK plugin builds
schaubh
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May 3, 2026
schaubh
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Description
This PR raises the supported SWIG 4.x build requirement to SWIG 4.4.1 for Basilisk source builds and Python build requirements. The CMake SWIG detection was simplified to a single versioned
find_package(SWIG 4.4.1...<5 REQUIRED COMPONENTS python)check now that the minimum SWIG version is unconditional.This update provides SWIG ABI 5 support between BSK and BSK plugins.
Verification
Validated locally using the repo
.venvenvironment:.venv/bin/swig -versionreports SWIG 4.4.1..venv/bin/pythonsuccessfully parsespyproject.toml..venv/bin/python -m py_compile setup.pypasses.rst2pseudoxml.git diff --checkpasses..venv/bin/swigsatisfies the new4.4.1...<5requirement.No runtime tests were added because this is a build dependency/configuration update.
Documentation
Added a release-note snippet describing SWIG ABI 5 support between BSK and BSK plugins. Updated the known-issues SWIG 4.4.0 guidance. Removed the stale MuJoCo-specific SWIG dependency note so SWIG requirements remain centralized in the build configuration.
Future work
None.