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On 4/3/23 15:50, Michael Milton wrote: > Okay, but I'm afraid this will only mean something to Rust users. The > reason being that we encountered this issue in extendr: a Rust > extension library for R. The specific compiler errors we encounter > happen because bindgen (the Rust code generation library) read the > changed R header files, and generated a new type definition

Hi Tomas, Thanks for this explanation. As you can probably tell I'm not much of a C person, so I didn't realise this change would be invisible to C users. I suppose R's stability contract only applies to C, and therefore changes that break other languages such as Rust are out of scope. You are right that this error is confused by bindgen's inability to handle anonymous types, but

On 4/3/23 14:07, Michael Milton wrote: > Hi all, > > There seems to have been a breaking change in the R trunk caused by a fix > to bug 18430 <https://bugs.r-project.org/show_bug.cgi?id=18430> that > relates to the layout of the Rcomplex typedef. Previously it was a struct, > but now it's a union by default >

On 4/4/23 04:27, Michael Milton wrote: > Hi Tomas, > > Thanks for this explanation. As you can probably tell I'm not much of > a C person, so I didn't realise this change would be invisible to C > users. I suppose R's stability contract only applies to C, and > therefore changes that break other languages such as Rust are out of > scope. You are right that this