[R-sig-Debian] Unable to install packages: "/usr/bin/ld: cannot find -lgfortran"

[Natalia Morandeira]

Dear all,

I'm using R version 3.2.0 in Ubuntu 12.04 LTS.

 While trying to install any package I get the error: "/usr/bin/ld: cannot 
find -lgfortran"

If I open a Terminal and run "ldconfig -p | grep libgfortran"​, I get:​
"libgfortran.so.3 (libc6,x86-64) => 
/usr/lib/x86_64-linux-gnu/libgfortran.so.3"

I've been an R user for two years and this is the first time I get this 
error. I've uninstalled R and re-installed it but the problem was not 
solved. 

I'll be very grateful for any help or suggestions to solve the problem.

Best regards,

Natalia Morandeira
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