Update r to homebrew style

1 files changed, 19 insertions, 9 deletions

diff --git a/Library/Formula/r.rb b/Library/Formula/r.rb
index b6b91f90b..50910141a 100644
--- a/Library/Formula/r.rb
+++ b/Library/Formula/r.rb
@@ -4,18 +4,28 @@ class R <Formula
   url 'http://cran.r-project.org/src/base/R-2/R-2.11.0.tar.gz'
   homepage 'http://www.R-project.org/'
   md5 'c6c1e866299f533617750889c729bfb3'
-  
-  depends_on 'gfortran'
 
   def install
-    system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"
+    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}"
     system "make"
+    ENV.j1 # Serialized installs, please
     system "make install"
-    system "mkdir #{prefix}/bin"
-    system "ln -s #{prefix}/R.framework/Resources/bin/R #{prefix}/bin/R"
-    system "ln -s #{prefix}/R.framework/Resources/bin/Rscript #{prefix}/bin/Rscript"
-    system "mkdir -p #{prefix}/share/man/man1"
-    system "ln -s #{prefix}/R.framework/Resources/man1/R.1 #{prefix}/share/man/man1/R.1"
-    system "ln -s #{prefix}/R.framework/Resources/man1/Rscript.1 #{prefix}/share/man/man1/Rscript.1"
+
+    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
 end