[Rcpp-devel] Problem installing even default Rcpp skeleton package

[Nick Matzke]

On 5/9/12 5:07 PM, Dirk Eddelbuettel wrote:
>
> On 9 May 2012 at 19:40, Steve Lianoglou wrote:
> | Hi,
> |
> | On Wed, May 9, 2012 at 7:31 PM, Nick Matzke<matzke at berkeley.edu>  wrote:
> | [snip]
> |>  So, next issue.  My default "RcppSkeleton" package now installs fine and
> |>  library(RcppSkeleton) works fine.
> |>
> |>  However, when I run the one function in the package, rcpp_hello_world(), I
> |>  get this problem:
> |>
> |>
> |>>  rcpp_hello_world()
> |>
> |>  Error in .Call("rcpp_hello_world", PACKAGE = "hello_world_Rcpp") :
> |>    C symbol name "rcpp_hello_world" not in DLL for package "hello_world_Rcpp"
> |
> | Your package is called "RcppSkeleton", isn't it? If so, that should be
> | reflected in your PACKAGE argument in .Call, eg:
> |
> | .Call("rcpp_hello_world", PACKAGE="RcppSkeleton")
>
> +1
>
> And that is what should have gotten filled in as rcpp_hello_world.R in
> inst/skeleton/ (which gets copied) has:
>
> rcpp_hello_world<- function(){
> 	.Call( "rcpp_hello_world", PACKAGE = "@PKG@" )
> }
>
> and all that works here:
>
>
> R>  Rcpp.package.skeleton("rcppSkeletonTest", path="/tmp")
> Creating directories ...
> Creating DESCRIPTION ...
> Creating NAMESPACE ...
> Creating Read-and-delete-me ...
> Saving functions and data ...
> Making help files ...
> Done.
> Further steps are described in '/tmp/rcppSkeletonTest/Read-and-delete-me'.
>
> Adding Rcpp settings
>   >>  added Depends: Rcpp
>   >>  added LinkingTo: Rcpp
>   >>  added useDynLib directive to NAMESPACE
>   >>  added Makevars file with Rcpp settings
>   >>  added Makevars.win file with Rcpp settings
>   >>  added example header file using Rcpp classes
>   >>  added example src file using Rcpp classes
>   >>  added example R file calling the C++ example
>   >>  added Rd file for rcpp_hello_world
> R>  library(rcppSkeletonTest)      ## after R CMD INSTALL ... outside of R
> R>  rcpp_hello_world()
> [[1]]
> [1] "foo" "bar"
>
> [[2]]
> [1] 0 1
>
> R>  rcppSkeletonTest::rcpp_hello_world()
> [[1]]
> [1] "foo" "bar"
>
> [[2]]
> [1] 0 1
>
> R>
>
> Ok?
>
> Dirk

Yep, I get the same behavior now, my R function was 
reflecting a previous definition from a previous install 
attempt with the hello_world name I think, it went away 
after reinstalling, re-library-ing after detach() and 
remove.packages() on previous attempts.

Thanks!
Nick


-- 
====================================================
Nicholas J. Matzke
Ph.D. Candidate, Graduate Student Researcher

Huelsenbeck Lab
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