Remove rubyspec temporary directories

common.mk

@@ -823,7 +823,6 @@ test-spec: $(TEST_RUNNABLE)-test-spec
 yes-test-spec: test-spec-precheck
 	$(gnumake_recursive)$(Q) \
 	$(RUNRUBY) -r./$(arch)-fake $(srcdir)/spec/mspec/bin/mspec run -B $(srcdir)/spec/default.mspec $(MSPECOPT) $(SPECOPTS)
-	$(RMDIR) rubyspec_temp
 no-test-spec:
 
 RUNNABLE = $(LIBRUBY_RELATIVE:no=un)-runnable

spec/mspec/lib/mspec/helpers/tmp.rb

@@ -4,13 +4,25 @@
 # directory is empty when the process exits.
 
 SPEC_TEMP_DIR_PID = Process.pid
-SPEC_TEMP_DIR = File.expand_path(ENV["SPEC_TEMP_DIR"] || "rubyspec_temp/#{SPEC_TEMP_DIR_PID}")
+SPEC_TEMP_DIR_LIST = []
+if tmpdir = ENV['SPEC_TEMP_DIR']
+  temppath = File.expand_path(tmpdir) + "/"
+else
+  tmpdir = File.expand_path("rubyspec_temp")
+  temppath = tmpdir + "/#{SPEC_TEMP_DIR_PID}"
+  SPEC_TEMP_DIR_LIST << tmpdir
+end
+SPEC_TEMP_DIR_LIST << temppath
+SPEC_TEMP_DIR = temppath
 SPEC_TEMP_UNIQUIFIER = "0"
 
 at_exit do
   begin
     if SPEC_TEMP_DIR_PID == Process.pid
-      Dir.delete SPEC_TEMP_DIR if File.directory? SPEC_TEMP_DIR
+      while temppath = SPEC_TEMP_DIR_LIST.pop
+        next unless File.directory? temppath
+        Dir.delete temppath
+      end
     end
   rescue SystemCallError
     STDERR.puts <<-EOM
@@ -18,7 +30,7 @@ at_exit do
 -----------------------------------------------------
 The rubyspec temp directory is not empty. Ensure that
 all specs are cleaning up temporary files:
-  #{SPEC_TEMP_DIR}
+  #{temppath}
 -----------------------------------------------------
 
     EOM