You can turn it off by setting the following environment variable<br><br>CYGWIN=nodosfilewarning<br><br>Richard<br><br><br><br><div class="gmail_quote">On Fri, Oct 14, 2011 at 10:39 AM, Dirk Eddelbuettel <span dir="ltr"><<a href="mailto:edd@debian.org">edd@debian.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br>
Hi Kent,<br>
<div class="im"><br>
On 14 October 2011 at 16:00, Jian Kang wrote:<br>
| Hi, Dirk,<br>
|<br>
| Sorry for delay. <br>
|<br>
| I tried to install the R and Rtools again, and run the program again, then it<br>
| works. <br>
<br>
</div>Excellent!<br>
<div class="im"><br>
| But here is some warnings, I am not sure whether this is OK in the future.<br>
|<br>
| Compilation argument:<br>
| C:/R/Rsoft/bin/i386/R CMD SHLIB file7e446574.cpp 2><br>
| file7e446574.cpp.err.txt <br>
| g++ -I"C:/R/Rsoft/include" -I"C:/R/Rsoft/library/Rcpp/include" -O2<br>
| -Wall -c file7e446574.cpp -o file7e446574.o<br>
</div>| g++ -shared -s -static-libgcc -o file7e446574.dll tmp.def file7e446574.o C:/R/<br>
<div class="im">| Rsoft/library/Rcpp/lib/i386/libRcpp.a -LC:/R/Rsoft/bin/i386 -lR<br>
| cygwin warning:<br>
| MS-DOS style path detected: C:/R/Rsoft/etc/i386/Makeconf<br>
| Preferred POSIX equivalent is: /cygdrive/c/R/Rsoft/etc/i386/Makeconf<br>
| CYGWIN environment variable option "nodosfilewarning" turns off this<br>
| warning.<br>
| Consult the user's guide for more details about POSIX paths:<br>
| <a href="http://cygwin.com/cygwin-ug-net/using.html#using-pathnames" target="_blank">http://cygwin.com/cygwin-ug-net/using.html#using-pathnames</a><br>
<br>
</div>That started with more recent Cygwin / MinGW versions. Google for this, I<br>
think there were tricks to turn it off. This came up on r-help once or twice<br>
too.<br>
<br>
But to reiterate: it is just a warning, and it has nothing to do with Rcpp.<br>
<font color="#888888"><br>
Dirk<br>
</font><div><div></div><div class="h5"><br>
<br>
| Thank you very much.<br>
|<br>
| Best,<br>
|<br>
| Kent<br>
|<br>
|<br>
| On Thu, Oct 13, 2011 at 6:46 PM, Dirk Eddelbuettel <<a href="mailto:edd@debian.org">edd@debian.org</a>> wrote:<br>
|<br>
|<br>
| On 13 October 2011 at 18:15, Jian Kang wrote:<br>
| | Thanks for your reply.<br>
| |<br>
| | Here is the response of 'Hello World' program:<br>
| |<br>
| | > src='#include <iostream><br>
| | + using namespace std;<br>
| | + void main()<br>
| | + {<br>
| | + cout << "Hello World!" << endl;<br>
| | + cout << "Welcome to C++ Programming" << endl;<br>
| | + }'<br>
| | > <br>
| | > fx <- cxxfunction(src,plugin = "Rcpp",verbose=T)<br>
|<br>
| PBKAC -- wrong call of cxxfunction(). You can see below how the generated<br>
| code does *not* include your actual function.<br>
|<br>
| The correct idiom is<br>
|<br>
| fx <- cxxfunction(signature(), body=src,plugin = "Rcpp",verbose=TRUE)<br>
|<br>
| Dirk<br>
|<br>
|<br>
| | >> setting environment variables: <br>
| | PKG_LIBS = C:/R/Rsoft/library/Rcpp/lib/i386/libRcpp.a<br>
| |<br>
| | >> LinkingTo : Rcpp<br>
| | CLINK_CPPFLAGS = -I"C:/R/Rsoft/library/Rcpp/include" <br>
| |<br>
| | >> Program source :<br>
| |<br>
| | 1 : <br>
| | 2 : // includes from the plugin<br>
| | 3 : <br>
| | 4 : #include <Rcpp.h><br>
| | 5 : <br>
| | 6 : <br>
| | 7 : #ifndef BEGIN_RCPP<br>
| | 8 : #define BEGIN_RCPP<br>
| | 9 : #endif<br>
| | 10 : <br>
| | 11 : #ifndef END_RCPP<br>
| | 12 : #define END_RCPP<br>
| | 13 : #endif<br>
| | 14 : <br>
| | 15 : using namespace Rcpp;<br>
| | 16 : <br>
| | 17 : <br>
| | 18 : // user includes<br>
| | 19 : <br>
| | 20 : <br>
| | 21 : // declarations<br>
| | 22 : extern "C" {<br>
| | 23 : SEXP file3a1c304e( ) ;<br>
| | 24 : }<br>
| | 25 : <br>
| | 26 : // definition<br>
| | 27 : <br>
| | 28 : SEXP file3a1c304e( ){<br>
| | 29 : BEGIN_RCPP<br>
| | 30 : <br>
| | 31 : END_RCPP<br>
| | 32 : }<br>
| | 33 : <br>
| | 34 : <br>
| | Compilation argument:<br>
| | C:/R/Rsoft/bin/i386/R CMD SHLIB file3a1c304e.cpp 2><br>
| | file3a1c304e.cpp.err.txt <br>
| | g++ -I"C:/R/Rsoft/include" -I"C:/R/Rsoft/library/Rcpp/include" <br>
| -O2<br>
| | -Wall -c file3a1c304e.cpp -o file3a1c304e.o<br>
| | g++ -shared -s -static-libgcc -o file3a1c304e.dll tmp.def file3a1c304e.o<br>
| C:/R/<br>
| | Rsoft/library/Rcpp/lib/i386/libRcpp.a -LC:/R/Rsoft/bin/i386 -lR<br>
| | cygwin warning:<br>
| | MS-DOS style path detected: C:/R/Rsoft/etc/i386/Makeconf<br>
| | Preferred POSIX equivalent is: /cygdrive/c/R/Rsoft/etc/i386/Makeconf<br>
| | CYGWIN environment variable option "nodosfilewarning" turns off this<br>
| | warning.<br>
| | Consult the user's guide for more details about POSIX paths:<br>
| | <a href="http://cygwin.com/cygwin-ug-net/using.html#using-pathnames" target="_blank">http://cygwin.com/cygwin-ug-net/using.html#using-pathnames</a><br>
| | Error in as.function.default(c(value, if (is.null(bd) || is.list(bd))<br>
| list(bd)<br>
| | else bd), : <br>
| | invalid formal argument list for "function"<br>
| |<br>
| | Here, I also tried the test by Hadley,<br>
| |<br>
| | _devel()<br>
| | cygwin warning:<br>
| | MS-DOS style path detected: C:/R/Rsoft/etc/i386/Makeconf<br>
| | Preferred POSIX equivalent is: /cygdrive/c/R/Rsoft/etc/i386/Makeconf<br>
| | CYGWIN environment variable option "nodosfilewarning" turns off this<br>
| | warning.<br>
| | Consult the user's guide for more details about POSIX paths:<br>
| | <a href="http://cygwin.com/cygwin-ug-net/using.html#using-pathnames" target="_blank">http://cygwin.com/cygwin-ug-net/using.html#using-pathnames</a><br>
| | gcc -I"C:/R/Rsoft/include" -I"C:/R/Rsoft/library/Rcpp/include" <br>
| -O3<br>
| | -Wall -std=gnu99 -c foo.c -o foo.o<br>
| | gcc -shared -s -static-libgcc -o foo.dll tmp.def foo.o C:/R/Rsoft/library<br>
| /Rcpp/<br>
| | lib/i386/libRcpp.a -LC:/R/Rsoft/bin/i386 -lR<br>
| | [1] TRUE<br>
| |<br>
| | Sorry that I don't really get it how to rebuild R packages from source.<br>
| |<br>
| | Thanks,<br>
| |<br>
| | Kent<br>
| |<br>
| | On Thu, Oct 13, 2011 at 5:11 PM, Hadley Wickham <<a href="mailto:hadley@rice.edu">hadley@rice.edu</a>> wrote:<br>
| |<br>
| | > My best guess is that you have not installed the Rtools<br>
| correctly. Can<br>
| | you<br>
| | > compile a simple 'hello, world' example in C or C++? Can you<br>
| rebuild R<br>
| | > packages from source?<br>
| |<br>
| | I wrote an function to check that you have a valid R development<br>
| | environment (with help from Simon Urbanek) for devtools. See code<br>
| | below - and check with has_devel()<br>
| |<br>
| | Hadley<br>
| |<br>
| |<br>
| | has_devel <- function() {<br>
| | foo_path <- file.path(tempdir(), "foo.c")<br>
| |<br>
| | cat("void foo(int *bar) { *bar=1; }\n", file = foo_path)<br>
| | on.exit(unlink(foo_path))<br>
| |<br>
| | R("CMD SHLIB foo.c", tempdir())<br>
| | dylib <- file.path(tempdir(), paste("foo", .Platform$dynlib.ext,<br>
| sep=''))<br>
| | on.exit(unlink(dylib), add = TRUE)<br>
| |<br>
| | dyn.load(dylib)<br>
| | on.exit(dyn.unload(dylib), add = TRUE)<br>
| |<br>
| | stopifnot(do.call(".C", list("foo",0L))[[1]] == 1L)<br>
| | TRUE<br>
| | }<br>
| |<br>
| | R <- function(options, path = tempdir()) {<br>
| | r_path <- shQuote(file.path(R.home("bin"), "R"))<br>
| | in_dir(path, system_check(paste(r_path, options)))<br>
| | }<br>
| |<br>
| | system_check <- function(cmd) {<br>
| | res <- system(cmd)<br>
| | if (res != 0) {<br>
| | stop("Command failed (", res, ")", call. = FALSE)<br>
| | }<br>
| | invisible(TRUE)<br>
| | }<br>
| |<br>
| | in_dir <- function(dir, code) {<br>
| | cur <- getwd()<br>
| | setwd(dir)<br>
| | on.exit(setwd(cur))<br>
| |<br>
| | force(code)<br>
| | }<br>
| |<br>
| | --<br>
| | Assistant Professor / Dobelman Family Junior Chair<br>
| | Department of Statistics / Rice University<br>
| | <a href="http://had.co.nz/" target="_blank">http://had.co.nz/</a><br>
| | _______________________________________________<br>
| | Rcpp-devel mailing list<br>
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| rcpp-devel<br>
| |<br>
| |<br>
|<br>
| --<br>
| "Outside of a dog, a book is a man's best friend. Inside of a dog, it is<br>
| too<br>
| dark to read." -- Groucho Marx<br>
|<br>
|<br>
<br>
--<br>
"Outside of a dog, a book is a man's best friend. Inside of a dog, it is too<br>
dark to read." -- Groucho Marx<br>
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</div></div></blockquote></div><br>