# Build against static libraries compiled with the Rtools
if(!file.exists("../windows/libidn-1.30/include/idna.h")){
setInternet2()
download.file("https://github.com/rwinlib/libidn/archive/v1.30.zip", "lib.zip", quiet = TRUE)
dir.create("../windows", showWarnings = FALSE)
unzip("lib.zip", exdir = "../windows")
unlink("lib.zip")
}
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