raje...@cse.iitm.ac.in wrote:
After the R CMD check is done and an R CMD INSTALL is done, where does the
external dll have to be?
See my message below.
..what can i do to make it move around with the package? can I zip it with the
package? if so in what folder?
R isn't designed to handle closed source binary includes, but you could
probably install one by putting the right code into Makevars in your
package. You want the .dll to end up in the libs directory of the
installed package. You might be able to get away with this by putting
it into inst/libs, but this is explicitly against the rules.
After-install editing of the .zip file would probably work, but would be
a maintenance problem.
See Writing R Extensions for details.
Duncan Murdoch
----- Original Message -----
From: Duncan Murdoch <murdoch.dun...@gmail.com>
To: raje...@cse.iitm.ac.in
Cc: r-help <r-help@r-project.org>
Sent: Thu, 02 Sep 2010 16:42:31 +0530 (IST)
Subject: Re: [R] R CMD check Package(Windows): Error in inDL(x,
as.logical(local), as.logical(now), ...) :
On 02/09/2010 6:46 AM, raje...@cse.iitm.ac.in wrote:
It is dependent on another dll but it did not give compilation errors. It seemed to link fine at that point. Why does it have a problem at this stage?
Windows needs to be able to find the other DLL at load time. It will
find it if it's in the same directory or on the PATH.
Duncan Murdoch
From: "Duncan Murdoch"
To: raje...@cse.iitm.ac.in
Cc: "r-help"
Sent: Thursday, September 2, 2010 4:05:14 PM
Subject: Re: [R] R CMD check Package(Windows): Error in inDL(x, as.logical(local), as.logical(now), ...) :
On 02/09/2010 2:29 AM, raje...@cse.iitm.ac.in wrote:
Hi,
I've built my own package in windows and when I run R CMD check Package-Name I get,
* install options are ' --no-html'
* installing *source* package 'AceTest' ...
** libs
making DLL ...
g++ ...etc.
installing to
... done
** R
** preparing package for lazy loading
** help
Warning: ./man/AceTest-package.Rd:34: All text must be in a section
Warning: ./man/AceTest-package.Rd:35: All text must be in a section
*** installing help indices
** building package indices ...
** testing if installed package can be loaded
Error in inDL(x, as.logical(local), as.logical(now), ...) :
unable to load shared library 'H:/RTick/Project/Client/AceTest.Rcheck/AceTest/libs/AceTest.dll':
LoadLibrary failure: The specified module could not be found.
ERROR: loading failed
The message "The specified module could not be found" comes from
Windows. It probably means that your dll depends on some other dll and
the other one is unavailable, but it might mean that AceTest.dll itself
can't be loaded (permission problems, defective dll, etc.) In some cases
Windows will pop up a dialog box with more information than that skimpy
message, e.g. if you install the package and try to run library(AceTest)
from within Rgui.
Duncan Murdoch
* removing 'H:/RTick/Project/Client/AceTest.Rcheck/AceTest'
can someone point out what went wrong?
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