Problem solved, thank you.
-----Original Message-----
From: Duncan Murdoch [mailto:murdoch.dun...@gmail.com]
Sent: maandag 17 september 2012 13:05
To: Franckx Laurent
Cc: 'r-help@r-project.org'
Subject: Re: [R] LoadLibrary failure: : %1 is not a valid Win32 application
although arch x64 has been specified
On 12-09-17 3:56 AM, Franckx Laurent wrote:
> Dear all,
>
> I have problems loading a library in the 64 version of R.
>
> The following happens:
>
>
> * I have a file, equildistC.cpp, which contains a few lines of C++
> code.
>
> * I have compiled the file using the following commands:
> PATH =
> c:\Rtools\bin;C:\Rtools\gcc-4.6.3\bin;C:\Rtools\gcc-4.6.3\bin64;C:\Rto
> ols\gcc-4.6.3\i686-w64-mingw32;C:\R-2.15.1\bin\i386;C:\R-2.15.1\bin\x6
> 4;c:\windows;c:\windows\system32;C:\Windows\SysWOW64
> R --arch x64 CMD SHLIB equildistC.cpp
That runs the 32 bit version of R (since you list it first in your path). I
don't see any docs that state that it will pay attention to the --arch
directive. (The docs say that syntax is supported under Unix-alikes, not under
Windows.)
>
> * I have received no messages indicating problem during compilation,
> and both the equildistC.o and the equildistC.dll have been created.
>
> * When I load the dll in the 32bit version of R with
> dyn.load("C:\\Ccodefortransortmodel\\equildistC.dll"), things appear to go
> well.
>
> * However, in the 64 bit version, I get the message:
> Error in inDL(x, as.logical(local), as.logical(now), ...) :
> unable to load shared object 'C:/Ccodefortransortmodel/equildistC.dll':
> LoadLibrary failure: %1 is not a valid Win32 application.
>
>
> I have googled the error message. Initially I had omitted "--arch x64" when
> compiling the file, but even after specifying the architecture, the error
> persists.
> However, I definitely need to be able to run my code on the 64 version.
Then you should take the 32 bit version out of your path.
Duncan Murdoch
>
>
> Kind regards
> Laurent
>
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