Problems to install a package

Hi,

I have this problem when I try to install a package, I'm working with OSX
Yosemite 10.10.4.

Best regards,

install.packages("~/Downloads/RMacoqui_1.0.tar.gz", repos = NULL, type =

"source",
lib="/Library/Frameworks/R.framework/Versions/3.2/Resources/library")
* installing *source* package ?RMacoqui? ...
** libs
gfortran-4.8   -fPIC  -g -O2  -c RMacoqui.f -o RMacoqui.o
make: gfortran-4.8: No such file or directory
make: *** [RMacoqui.o] Error 1
ERROR: compilation failed for package ?RMacoqui?
* removing
?/Library/Frameworks/R.framework/Versions/3.2/Resources/library/RMacoqui?
Warning in install.packages :
  installation of package ?/Users/joseca/Downloads/RMacoqui_1.0.tar.gz? had
non-zero exit status

################################################################
Dr. Jos? Carlos Guerrero
Laboratorio de Desarrollo Sustentable y Gesti?n Ambiental del Territorio
(LDSGAT)
Instituto de Ecolog?a y Ciencias Ambientales (IECA)
Facultad de Ciencias
Universidad de la Rep?blica
Montevideo-URUGUAY
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