search for: win64no_toolchain

...nal leading underscore on symbols, and we will adopt that convention for R 2.12.0. R-devel is now set up by default to use it: if you have been building R-devel with an older toolchain you will need to start afresh with the new one, a snapshot of which is at http://www.stats.ox.ac.uk/pub/Rtools/Win64No_toolchain.zip The currently recommended tools are (as ever) documented in the R-admin manual for the version of R you use. Static and import libraries (but fortunately not DLLs) are incompatible across these changes. Only a very few binary packages (e.g. Rcpp [*]) contain these, but quite a few are bui...