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COMP: Use pixi-supplied SWIG 4.3.x and CastXML for Python wrapping (intermediary toward SWIG 4.4.1) #6480

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hjmjohnson wants to merge 3 commits into from
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COMP: Use pixi-supplied SWIG 4.3.x and CastXML for Python wrapping (intermediary toward SWIG 4.4.1) #6480

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38e22c9
COMP: Raise system SWIG floor to 4.3.0
hjmjohnson Jun 20, 2026
0d44db8
COMP: Fail fast on too-old system SWIG instead of warning
hjmjohnson Jun 20, 2026
4dd13ca
COMP: Use pixi-supplied SWIG 4.3.x and CastXML for build-python
hjmjohnson Jun 20, 2026
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8 changes: 4 additions & 4 deletions Wrapping/Generators/SwigInterface/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,8 @@ option(
)
mark_as_advanced(ITK_USE_SYSTEM_SWIG)

# Minimal swig version
set(swig_version_min 4.2.0)
# Minimal swig version (4.3.0 first ships the SWIG_Py_DECREF runtime macro the generated wrappers require)
set(swig_version_min 4.3.0)
# Version used in vendored binary or source build configured in this file.
set(ITK_SWIG_VERSION 2024-03-26-master)

Expand Down Expand Up @@ -137,8 +137,8 @@ if(ITK_USE_SYSTEM_SWIG)
# Check for the swig version
if(${SWIG_VERSION} VERSION_LESS ${swig_version_min})
message(
WARNING
"Swig version less than ${swig_version_min}: \"${SWIG_VERSION}\"."
FATAL_ERROR
"Swig version less than ${swig_version_min}: \"${SWIG_VERSION}\". Set ITK_USE_SYSTEM_SWIG=OFF or provide a newer swig."
)
endif()
else()
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