Re: [Rd] package matrix dummy.cpp

From: Ambrus Kaposi <kaposi.ambrus_at_gmail.com>
Date: Mon, 29 Nov 2010 14:14:34 +0100

Thank you for the help.

> yes.  Though, as Brian mentions below it's strange that you
> can't compile the package (how?) with the file present.
> I'd guess that this would mean you cannot (easily) install any
> CRAN packages that use C++ ?
> I think this will preclude you from using very fine R extensions!

My g++ compiler can't handle the -lgfortran switch, while gcc can. I think it is the fault of my Linux distribution (http://nixos.org), but it was an easier solution to use gcc instead of g++ than fixing g++. This probably means that I can't compile any R packages using C++ and fortran at the same time. I will investigate further in this error.

This was the error:
g++ -shared -L/usr/local/lib -o Matrix.so CHMfactor.o Csparse.o TMatrix_as.o Tsparse.o init.o Mutils.o chm_common.o cs.o cs_utils.o dense.o dgCMa
trix.o dgTMatrix.o dgeMatrix.o dpoMatrix.o dppMatrix.o dsCMatrix.o dsyMatrix.o dspMatrix.o dtCMatrix.o dtTMatrix.o dtrMatrix.o dtpMatrix.o factor
izations.o ldense.o lgCMatrix.o sparseQR.o abIndex.o CHOLMOD.a COLAMD.a AMD.a -L/tmp/nix-build-l8rd1zk5f2fslzm7w1zygwz376br9nlw-r-lang.drv-0/R-2. 12.0/lib -lRlapack
-L/tmp/nix-build-l8rd1zk5f2fslzm7w1zygwz376br9nlw-r-lang.drv-0/R-2.12.0/lib -lRblas -lgfortran -lm
/nix/store/bwwd0qz5ar7afhxdb26bjglql86hcw6b-binutils-2.20/bin/ld: cannot find -lgfortran

collect2: ld returned 1 exit status

Best regards,
Ambrus Kaposi



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