New fomula: haskell-platform

The standard Haskell development environment

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/haskell-platform.rb

@@ -0,0 +1,21 @@
+require 'formula'
+
+class HaskellPlatform <Formula
+  url 'http://hackage.haskell.org/platform/2010.1.0.0/haskell-platform-2010.1.0.0.tar.gz'
+  homepage 'http://hackage.haskell.org/platform/'
+  md5 'ad96a12535b955f2f5e11769b02e0f76'
+  version '2010.1.0.0'
+
+  depends_on 'ghc'
+
+  def install
+    # haskell-platform expects 6.12.1 but we have 6.12.3, so force the issue.
+    # libdir doesn't work if passed to configure, needs to be passed to make install
+    system "./configure", "--prefix=#{prefix}", "--enable-unsupported-ghc-version"
+    system %Q(EXTRA_CONFIGURE_OPTS="--libdir=#{lib}/ghc" make install)
+  end
+
+  def caveats
+    "Run `cabal update` to initialize the package list."
+  end
+end