[Rd] Creating a Windows import lib from R.dll (x64)?
mail at joeconway.com
Tue Oct 19 07:22:53 CEST 2010
On 10/18/2010 10:00 PM, Dominick Samperi wrote:
> The procedure for creating an import library (Rdll.lib) that is documented
> in gnuwin32/README.packages works fine using the i386 architecture, but
> it doesn't seem to work under x64.
> Specifically, the procedure is:
> pexports R.dll > R.exp
> lib /def:R.exp /out:Rdll.lib /machine:X86 R.dll
> There are two issues under x64:
> 1. Older version of pexports crash when applied to an x64 R.dll.
> The work-around is to use one of the newer versions that have
> been fixed (pexports-9.44, say).
> 2. When lib is applied to an x64 R.dll it complains as follows:
> R.dll : fatal error LNK1107: invalid or corrupt file: cannot read at 0x318
> This happens even when the /def:R.exp parameter is left out, for
> example, with lib /out:Rdll.lib R.dll.
> Any tips would be much appreciated.
I successfully did the following recently in order to build 64 bit PL/R
on Windows 7:
dumpbin /exports R.dll > R.dump.csv
Note that I used the csv extension so OpenOffice would import the file
into a spreadsheet conveniently.
Edit R.dump.csv to produce a one column file of symbols called R.def.
Add the following two lines to the top of the file:
Then run the following using R.def
lib /def:R.def /out:R.lib
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