Use to_path_s for determine_pkg_config_libdir.

Author: reitermarkus

Library/Homebrew/extend/ENV.rb

@@ -3,6 +3,12 @@
 require "extend/ENV/std"
 require "extend/ENV/super"
 
+class Array
+  def to_path_s
+    map(&:to_s).uniq.select { |s| File.directory?(s) }.join(File::PATH_SEPARATOR).chuzzle
+  end
+end
+
 def superenv?
   ARGV.env != "std" && Superenv.bin
 end

Library/Homebrew/extend/ENV/std.rb

@@ -62,7 +62,7 @@ def determine_pkg_config_libdir
     paths << "#{HOMEBREW_PREFIX}/share/pkgconfig"
     paths += homebrew_extra_pkg_config_paths
     paths << "/usr/lib/pkgconfig"
-    paths.select { |d| File.directory? d }.join(File::PATH_SEPARATOR)
+    paths.to_path_s
   end
 
   # Removes the MAKEFLAGS environment variable, causing make to use a single job.

Library/Homebrew/extend/ENV/super.rb

@@ -330,10 +330,4 @@ def set_cpu_flags(*)
   end
 end
 
-class Array
-  def to_path_s
-    map(&:to_s).uniq.select { |s| File.directory? s }.join(File::PATH_SEPARATOR).chuzzle
-  end
-end
-
 require "extend/os/extend/ENV/super"