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BUG: Patch SWIG superbuild for R 4.6.0 API removals - #2587
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R 4.6.0 removed several internal C API symbols (
SET_S4_OBJECT,CLOENV, etc.) that SWIG's generated R bindings depend on. This patch applies fixes to the SWIG source during the superbuild.Changes
swig-r-api-r460.patchtoSuperBuild/ExternalSource/so it is managed alongside other external sourcesfind_package(Patch REQUIRED)to locate thepatchexecutable portably instead of relying onpatchbeing in PATH${Patch_EXECUTABLE}in thePATCH_COMMANDof the Swig ExternalProject*.patch -whitespaceto.gitattributesso trailing whitespace in patch context lines does not trigger the pre-commit hook