Use extend/OS mechanism for grep args

1 files changed, 6 insertions, 0 deletions

diff --git a/Library/Homebrew/extend/os/mac/keg_relocate.rb b/Library/Homebrew/extend/os/mac/keg_relocate.rb
index 476e5da4a..7b5bb11f9 100644
--- a/Library/Homebrew/extend/os/mac/keg_relocate.rb
+++ b/Library/Homebrew/extend/os/mac/keg_relocate.rb
@@ -131,6 +131,12 @@ class Keg
     mach_o_files
   end
 
+  def recursive_fgrep_args
+    # Don't recurse into symlinks; the man page says this is the default, but
+    # it's wrong. -O is a BSD-grep-only option.
+    "-lrO"
+  end
+
   def self.file_linked_libraries(file, string)
     # Check dynamic library linkage. Importantly, do not perform for static
     # libraries, which will falsely report "linkage" to themselves.