Add formula for libgarmin

Formula/libgarmin.rb

@@ -0,0 +1,32 @@
+require 'formula'
+
+class Libgarmin <Formula
+  head 'http://libgarmin.svn.sourceforge.net/svnroot/libgarmin/libgarmin/dev/'
+  homepage 'http://libgarmin.sourceforge.net/'
+
+  def install
+    system "./autosh.sh" unless File.exist? "configure"
+    system "./configure", "--prefix=#{prefix}"
+
+    # Fix OS X include
+    inreplace Dir["{src,utils}/*.c"], "#include <malloc.h>", "#include <stdlib.h>"
+
+    # The code for creating 'verison.h' doesn't work on OS X.
+    inreplace "Makefile" do |s|
+      s.change_make_var! "BUILT_SOURCES", ""
+    end
+
+    File.open("version.h","w") do |f|
+      f.puts "#define LIBVERSION \"libgarmin 0.1\""
+    end
+
+    system "make"
+
+    # Yep, need to recreate before make and make install
+    File.open("version.h","w") do |f|
+      f.puts "#define LIBVERSION \"libgarmin 0.1\""
+    end
+
+    system "make install"
+  end
+end