James Lamb

No problem, we're happy to have you here contributing! In the interim, you might also consider picking up something smaller and more contained, like #6361. Once you have 1 commit...

Thanks for using `{lightgbm}`, sorry about that! To work around it, change this line to 3.18 in your local copy of LightGBM (should work for you, as the only newer...

Thanks for the suggestion, but I don't want to add more complexity to `build_r.R` to get behavior that CMake already provides. Let's wait to hear the answers to the questions...

Thanks for that! Can you please try installing the latest `rtools43` from https://cran.r-project.org/bin/windows/Rtools/rtools43/rtools.html and try again? According to https://cran.r-project.org/bin/windows/Rtools/rtools43/news.html, the latest release of `rtools43` contains CMake 3.28.1: > These packages...

> Do I not need to install Boost externally? You do not need to install it externally. It's provided as a git submodule here. Could you try this? ```shell git...

Thanks for checking! Ok, if you don't mind could you please try 2 more ways, and see if either of them helps? ```shell Rscript build_r.R --use-gpu --use-msys2 Rscript build_r.R --use-gpu...

Oh great, glad to hear it! Rtools switched to the msys2 toolchain starting in R 4.0 (if I recall correctly), so it makes sense to me that that'd work better...

> *Sorry, I'm out of ideas right now.* No problem, thanks for looking! > *do we prefer using the MSVC headers over MinGW?* If a new-enough MSVC exists on the...

Thanks so much for the quick response! > *LD_LIBRARY_PATH is something in Linux* It is generally only used on Unix-like operating systems, but I thought maybe it'd matter for MinGW....

Thank you SO MUCH for all of the help, I really really appreciate it! > *In addition, I deleted `G:\Rtools35\bin` and `lightgbm_r/`, then reran `Rscript build_r.R`, successful!* Excellent! That narrows...