It could be the case that /usr/lib/libgfortran.so is a broken symlink resulting from earlier package installations, removals and OS upgrades. Try this:
sudo dpkg --purge gfortran sudo apt-get install gfortran (See also https://stackoverflow.com/questions/6302209/building-r-package-getting-error-ld-cannot-find-lgfortran ) T. On Wed, Dec 7, 2016 at 11:26 PM, Hermann Norpois <[email protected]> wrote: > Hello, > > I am unable to install igraph on: > R version 3.3.2 (2016-10-31) -- "Sincere Pumpkin Patch" > Ubuntu 14.04. > After the usual install.packages ('igraph') ... > This is the error message: > > .... > /usr/bin/ld: cannot find -lgfortran > /usr/bin/ld: cannot find -lgfortran > collect2: error: ld returned 1 exit status > make: *** [igraph.so] Fehler 1 > ERROR: compilation failed for package ‘igraph’ > * removing ‘/home/jbreu/R/x86_64-pc-linux-gnu-library/3.3/igraph’ > > Die heruntergeladenen Quellpakete sind in > ‘/tmp/RtmpDnTswM/downloaded_packages’ > Warnmeldung: > In install.packages("igraph") : > Installation des Pakets ‘igraph’ hatte Exit-Status ungleich 0 > > I checked if r-base-dev was installed ... > ~$ sudo apt-get install r-base-dev > Reading package lists... Done > Building dependency tree > Reading state information... Done > r-base-dev is already the newest version. > 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. > > This is my gfortran version: > ~$ gfortran --version > GNU Fortran (Ubuntu 4.8.5-2ubuntu1~14.04.1) 4.8.5 > Copyright (C) 2015 Free Software Foundation, Inc. > > GNU Fortran comes with NO WARRANTY, to the extent permitted by law. > You may redistribute copies of GNU Fortran > under the terms of the GNU General Public License. > For more information about these matters, see the file named COPYING > > How should I continue? > Thanks > Hermann > > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > >
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