R - add gfortran notes to caveats

1 files changed, 10 insertions, 0 deletions

diff --git a/Library/Formula/r.rb b/Library/Formula/r.rb
index 50910141a..a292099c5 100644
--- a/Library/Formula/r.rb
+++ b/Library/Formula/r.rb
@@ -20,6 +20,8 @@ class R <Formula
     ENV.j1 # Serialized installs, please
     system "make install"
 
+    # Link binaries and manpages from the Framework
+    # into the normal locations
     bin.mkpath
     man1.mkpath
 
@@ -28,4 +30,12 @@ class R <Formula
     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