You can turn it off by setting the following environment variable CYGWIN=nodosfilewarning
Richard On Fri, Oct 14, 2011 at 10:39 AM, Dirk Eddelbuettel <[email protected]> wrote: > > Hi Kent, > > On 14 October 2011 at 16:00, Jian Kang wrote: > | Hi, Dirk, > | > | Sorry for delay. > | > | I tried to install the R and Rtools again, and run the program again, > then it > | works. > > Excellent! > > | But here is some warnings, I am not sure whether this is OK in the > future. > | > | Compilation argument: > | C:/R/Rsoft/bin/i386/R CMD SHLIB file7e446574.cpp 2> > | file7e446574.cpp.err.txt > | g++ -I"C:/R/Rsoft/include" -I"C:/R/Rsoft/library/Rcpp/include" > -O2 > | -Wall -c file7e446574.cpp -o file7e446574.o > | g++ -shared -s -static-libgcc -o file7e446574.dll tmp.def file7e446574.o > C:/R/ > | Rsoft/library/Rcpp/lib/i386/libRcpp.a -LC:/R/Rsoft/bin/i386 -lR > | cygwin warning: > | MS-DOS style path detected: C:/R/Rsoft/etc/i386/Makeconf > | Preferred POSIX equivalent is: /cygdrive/c/R/Rsoft/etc/i386/Makeconf > | CYGWIN environment variable option "nodosfilewarning" turns off this > | warning. > | Consult the user's guide for more details about POSIX paths: > | http://cygwin.com/cygwin-ug-net/using.html#using-pathnames > > That started with more recent Cygwin / MinGW versions. Google for this, I > think there were tricks to turn it off. This came up on r-help once or > twice > too. > > But to reiterate: it is just a warning, and it has nothing to do with Rcpp. > > Dirk > > > | Thank you very much. > | > | Best, > | > | Kent > | > | > | On Thu, Oct 13, 2011 at 6:46 PM, Dirk Eddelbuettel <[email protected]> > wrote: > | > | > | On 13 October 2011 at 18:15, Jian Kang wrote: > | | Thanks for your reply. > | | > | | Here is the response of 'Hello World' program: > | | > | | > src='#include <iostream> > | | + using namespace std; > | | + void main() > | | + { > | | + cout << "Hello World!" << endl; > | | + cout << "Welcome to C++ Programming" << endl; > | | + }' > | | > > | | > fx <- cxxfunction(src,plugin = "Rcpp",verbose=T) > | > | PBKAC -- wrong call of cxxfunction(). You can see below how the > generated > | code does *not* include your actual function. > | > | The correct idiom is > | > | fx <- cxxfunction(signature(), body=src,plugin = > "Rcpp",verbose=TRUE) > | > | Dirk > | > | > | | >> setting environment variables: > | | PKG_LIBS = C:/R/Rsoft/library/Rcpp/lib/i386/libRcpp.a > | | > | | >> LinkingTo : Rcpp > | | CLINK_CPPFLAGS = -I"C:/R/Rsoft/library/Rcpp/include" > | | > | | >> Program source : > | | > | | 1 : > | | 2 : // includes from the plugin > | | 3 : > | | 4 : #include <Rcpp.h> > | | 5 : > | | 6 : > | | 7 : #ifndef BEGIN_RCPP > | | 8 : #define BEGIN_RCPP > | | 9 : #endif > | | 10 : > | | 11 : #ifndef END_RCPP > | | 12 : #define END_RCPP > | | 13 : #endif > | | 14 : > | | 15 : using namespace Rcpp; > | | 16 : > | | 17 : > | | 18 : // user includes > | | 19 : > | | 20 : > | | 21 : // declarations > | | 22 : extern "C" { > | | 23 : SEXP file3a1c304e( ) ; > | | 24 : } > | | 25 : > | | 26 : // definition > | | 27 : > | | 28 : SEXP file3a1c304e( ){ > | | 29 : BEGIN_RCPP > | | 30 : > | | 31 : END_RCPP > | | 32 : } > | | 33 : > | | 34 : > | | Compilation argument: > | | C:/R/Rsoft/bin/i386/R CMD SHLIB file3a1c304e.cpp 2> > | | file3a1c304e.cpp.err.txt > | | g++ -I"C:/R/Rsoft/include" -I"C:/R/Rsoft/library/Rcpp/include" > > | -O2 > | | -Wall -c file3a1c304e.cpp -o file3a1c304e.o > | | g++ -shared -s -static-libgcc -o file3a1c304e.dll tmp.def > file3a1c304e.o > | C:/R/ > | | Rsoft/library/Rcpp/lib/i386/libRcpp.a -LC:/R/Rsoft/bin/i386 -lR > | | cygwin warning: > | | MS-DOS style path detected: C:/R/Rsoft/etc/i386/Makeconf > | | Preferred POSIX equivalent is: > /cygdrive/c/R/Rsoft/etc/i386/Makeconf > | | CYGWIN environment variable option "nodosfilewarning" turns off > this > | | warning. > | | Consult the user's guide for more details about POSIX paths: > | | http://cygwin.com/cygwin-ug-net/using.html#using-pathnames > | | Error in as.function.default(c(value, if (is.null(bd) || > is.list(bd)) > | list(bd) > | | else bd), : > | | invalid formal argument list for "function" > | | > | | Here, I also tried the test by Hadley, > | | > | | _devel() > | | cygwin warning: > | | MS-DOS style path detected: C:/R/Rsoft/etc/i386/Makeconf > | | Preferred POSIX equivalent is: > /cygdrive/c/R/Rsoft/etc/i386/Makeconf > | | CYGWIN environment variable option "nodosfilewarning" turns off > this > | | warning. > | | Consult the user's guide for more details about POSIX paths: > | | http://cygwin.com/cygwin-ug-net/using.html#using-pathnames > | | gcc -I"C:/R/Rsoft/include" -I"C:/R/Rsoft/library/Rcpp/include" > > | -O3 > | | -Wall -std=gnu99 -c foo.c -o foo.o > | | gcc -shared -s -static-libgcc -o foo.dll tmp.def foo.o > C:/R/Rsoft/library > | /Rcpp/ > | | lib/i386/libRcpp.a -LC:/R/Rsoft/bin/i386 -lR > | | [1] TRUE > | | > | | Sorry that I don't really get it how to rebuild R packages from > source. > | | > | | Thanks, > | | > | | Kent > | | > | | On Thu, Oct 13, 2011 at 5:11 PM, Hadley Wickham <[email protected]> > wrote: > | | > | | > My best guess is that you have not installed the Rtools > | correctly. Can > | | you > | | > compile a simple 'hello, world' example in C or C++? Can you > | rebuild R > | | > packages from source? > | | > | | I wrote an function to check that you have a valid R > development > | | environment (with help from Simon Urbanek) for devtools. See > code > | | below - and check with has_devel() > | | > | | Hadley > | | > | | > | | has_devel <- function() { > | | foo_path <- file.path(tempdir(), "foo.c") > | | > | | cat("void foo(int *bar) { *bar=1; }\n", file = foo_path) > | | on.exit(unlink(foo_path)) > | | > | | R("CMD SHLIB foo.c", tempdir()) > | | dylib <- file.path(tempdir(), paste("foo", > .Platform$dynlib.ext, > | sep='')) > | | on.exit(unlink(dylib), add = TRUE) > | | > | | dyn.load(dylib) > | | on.exit(dyn.unload(dylib), add = TRUE) > | | > | | stopifnot(do.call(".C", list("foo",0L))[[1]] == 1L) > | | TRUE > | | } > | | > | | R <- function(options, path = tempdir()) { > | | r_path <- shQuote(file.path(R.home("bin"), "R")) > | | in_dir(path, system_check(paste(r_path, options))) > | | } > | | > | | system_check <- function(cmd) { > | | res <- system(cmd) > | | if (res != 0) { > | | stop("Command failed (", res, ")", call. = FALSE) > | | } > | | invisible(TRUE) > | | } > | | > | | in_dir <- function(dir, code) { > | | cur <- getwd() > | | setwd(dir) > | | on.exit(setwd(cur)) > | | > | | force(code) > | | } > | | > | | -- > | | Assistant Professor / Dobelman Family Junior Chair > | | Department of Statistics / Rice University > | | http://had.co.nz/ > | | _______________________________________________ > | | Rcpp-devel mailing list > | | [email protected] > | | https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/ > | rcpp-devel > | | > | | > | > | -- > | "Outside of a dog, a book is a man's best friend. Inside of a dog, it > is > | too > | dark to read." -- Groucho Marx > | > | > > -- > "Outside of a dog, a book is a man's best friend. Inside of a dog, it is > too > dark to read." -- Groucho Marx > _______________________________________________ > Rcpp-devel mailing list > [email protected] > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel >
_______________________________________________ Rcpp-devel mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
