LD64Dependency is needed on macOS only

Move ld64_dependency.rb to os/mac/.

1 files changed, 11 insertions, 0 deletions

diff --git a/Library/Homebrew/os/mac/ld64_dependency.rb b/Library/Homebrew/os/mac/ld64_dependency.rb
new file mode 100644
index 000000000..a506a0ab2
--- /dev/null
+++ b/Library/Homebrew/os/mac/ld64_dependency.rb
@@ -0,0 +1,11 @@
+require "dependency"
+
+# This special dependency ensures that the Tigerbrew ld64
+# formula is used as gcc's ld in place of the old version
+# that comes with the OS.
+class LD64Dependency < Dependency
+  def initialize(name = "ld64", tags = [:build], env_proc = nil)
+    super
+    @env_proc = proc { ENV.ld64 }
+  end
+end