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require 'formula'
class R <Formula
url 'http://cran.r-project.org/src/base/R-2/R-2.11.1.tar.gz'
homepage 'http://www.R-project.org/'
md5 '7421108ade3e9223263394b9bbe277ce'
def install
unless `/usr/bin/which gfortran`.chomp.size > 0
opoo 'No gfortran found in path'
puts "You'll need to `brew install gfortran` or otherwise have a copy"
puts "of gfortran in your path for this brew to work."
end
ENV["FCFLAGS"] = ENV["CFLAGS"]
ENV["FFLAGS"] = ENV["CFLAGS"]
system "./configure", "--prefix=#{prefix}", "--with-aqua", "--enable-R-framework",
"--with-lapack"
system "make"
ENV.j1 # Serialized installs, please
system "make install"
# Link binaries and manpages from the Framework
# into the normal locations
bin.mkpath
man1.mkpath
ln_s prefix+"R.framework/Resources/bin/R", bin
ln_s prefix+"R.framework/Resources/bin/Rscript", bin
ln_s prefix+"R.framework/Resources/man1/R.1", man1
ln_s prefix+"R.framework/Resources/man1/Rscript.1", man1
end
def caveats; <<-EOS.undent
R requires a fortran compiler to install.
You can install gfortran using Homebrew:
brew install gfortran
EOS
end
end
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