Cross-compilation
Dear Tom, It has worked for me out-of-the box in at least two times, one a while ago with R-2.2-something and recently with R-2.4.0. In both cases, I was running Debian (with a mix of testing and unstable) on x86. I never had to do anything, just run the script and at least in one case I did crosscompile a package with C++. R.
On Wednesday 25 October 2006 18:03, Tom McCallum wrote:
Hi everyone, I am trying to cross-compile a package I wrote using the Yan and Rossini tutorial "Building Microsoft Windows versions of R and R packages using Intel Linux". I have got reasonably far with this but when doing the linking using the line: i586-mingw32-g++ -shared -s -o mylibrary.dll mylibrary.def mylibrary.o mylibrary_res.o -L/my/path/RCrossBuild/WinR/R-2.4.0/bin -lR I get lots of these type of messages: /my/path/to/mylibrary.cpp:43: undefined reference to `_GLOBAL_OFFSET_TABLE_' and other similar linker errors for virtually every object and command in the program. After some googling I have found that there may be problems with the libgcc.a library and its default -fPIC argument during compilation. Has anyone got this tutorial to work and if so how did they overcome this? I am attempting to do this on Fedora Core 4 on a 32-bit machine, having completed all the previous sections of the tutorial for building a cross-platform version of R. Many thanks Tom
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