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Re: [igraph] igraph installation issue in Linux server

From: Tamas Nepusz
Subject: Re: [igraph] igraph installation issue in Linux server
Date: Tue, 10 Dec 2019 13:01:50 +0100


I'm not sure what the compiler complains about here; in my version, refine_equal_to_first in bliss/graph.hh is not initialized to anything, and neither it is in the official tarball of the igraph package.

Can you try updating your compiler to a newer version, or, alternatively, try installing the development version of the R package of igraph from Github? It can be done like this:



On Tue, 10 Dec 2019 at 02:40, Dineshkumar Subbu <address@hidden> wrote:
Hi Team,

While installing igrpah in my linux server I'm getting the following the error.  Currently my server have (gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC)).

Please help me how to install igraph package.

In file included from bliss.cc:20:
bliss/graph.hh:326: error: ISO C++ forbids initialization of member ârefine_equal_to_firstâ
bliss/graph.hh:326: error: making ârefine_equal_to_firstâ static
bliss/graph.hh:326: error: ISO C++ forbids in-class initialization of non-const static member ârefine_equal_to_firstâ
make: *** [bliss.o] Error 1
ERROR: compilation failed for package âigraphâ
* removing â/home/orsspoc1/r_local_installation/igraphâ

The downloaded source packages are in
Warning message:
In install.packages("igraph", repos = "http://cran.rstudio.com",  :
  installation of package âigraphâ had non-zero exit status


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