3 files changed, 48 insertions, 0 deletions
diff --git a/Library/Homebrew/compat/dependency_collector.rb b/Library/Homebrew/compat/dependency_collector.rb
new file mode 100644
index 000000000..516c55b56
--- /dev/null
+++ b/Library/Homebrew/compat/dependency_collector.rb
@@ -0,0 +1,25 @@
+module DependencyCollectorCompat
+  def parse_symbol_spec(spec, tags)
+    case spec
+    when :clt
+    when :autoconf, :automake, :bsdmake, :libtool
+      autotools_dep(spec, tags)
+    when :cairo, :fontconfig, :freetype, :libpng, :pixman
+      Dependency.new(spec.to_s, tags)
+    when :libltdl
+      tags << :run
+      Dependency.new("libtool", tags)
+    else
+      super(spec, tags)
+    end
+  end
+end
+
+class DependencyCollector
+  prepend DependencyCollectorCompat
+
+  def autotools_dep(spec, tags)
+    tags << :build unless tags.include? :run
+    Dependency.new(spec.to_s, tags)
+  end
+end
diff --git a/Library/Homebrew/compat/keg.rb b/Library/Homebrew/compat/keg.rb
new file mode 100644
index 000000000..015e6ae1f
--- /dev/null
+++ b/Library/Homebrew/compat/keg.rb
@@ -0,0 +1,6 @@
+class Keg
+  def fname
+    opoo "Keg#fname is a deprecated alias for Keg#name and will be removed soon"
+    name
+  end
+end
diff --git a/Library/Homebrew/compat/pathname.rb b/Library/Homebrew/compat/pathname.rb
new file mode 100644
index 000000000..7248525e5
--- /dev/null
+++ b/Library/Homebrew/compat/pathname.rb
@@ -0,0 +1,17 @@
+class Pathname
+  def cp(dst)
+    opoo "Pathname#cp is deprecated, use FileUtils.cp"
+    if file?
+      FileUtils.cp to_s, dst
+    else
+      FileUtils.cp_r to_s, dst
+    end
+    dst
+  end
+
+  def chmod_R(perms)
+    opoo "Pathname#chmod_R is deprecated, use FileUtils.chmod_R"
+    require "fileutils"
+    FileUtils.chmod_R perms, to_s
+  end
+end