Bug#610291: libgfortran: /usr/bin/ld: cannot find -lgfortran

[Matthias Klose <doko@debian.org>]

On 17.01.2011 08:19, Kingsley G. Morse Jr. wrote:
> Package: libgfortran3
> Version: 4.4.5-10
> Severity: normal
> File: libgfortran
>
>
> Thanks for maintaining libgfortran3.
>
> I use it.
>
> I happened to notice that building some R packages
> from their source code elicited an error about
> not being able to find gfortran's library.
>
> Here's one way that I found tne bug.
>
>      $ R
>      >  install.package("amap")
>      gfortran   -fpic  -O3 -pipe  -g -c pop.f -o pop.o
>      g++ -shared -o amap.so acprob.o burt.o diss.o distance.o distance_T.o hclust.o hclust_T.o kmeans.o pop.o -lpthread -lgfortran -lm -L/usr/lib/R/lib -lR
>      /usr/bin/ld: cannot find -lgfortran
>      collect2: ld returned 1 exit status
>      make: *** [amap.so] Error 1
>      ERROR: compilation failed for package 'amap'
>
> The other way was
>
>      >  install.package("kernlab")
>
> I fixed them by doing
>
>      $ ln -s /usr/lib/libgfortran.so.3.0.0 /usr/lib/libgfortran.so
>
> If possible, maybe the libgfortran3 package should
> create a similar symbolic link.

No, the link is present. which g++ do you use?

  which g++
  g++ --print-file-name libgfortran.so