From caa7602b878c03c47fd263550e37715f1a67f854 Mon Sep 17 00:00:00 2001
From: Jim Lawson
Date: Mon, 11 May 2015 10:01:49 -0700
Subject: Clean up make clean.

---
 Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 485e0f7a..a4e0f62d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 SBT		?= sbt
 SBT_FLAGS	?= -Dsbt.log.noformat=true
 RM_DIRS 	:= test-outputs test-reports
-CLEAN_DIRS	:= doc
+#CLEAN_DIRS	:= doc
 
 SRC_DIR	?= .
 SYSTEMC ?= $(SRC_DIR)/../../systemc/systemc-2.3.1
@@ -28,8 +28,12 @@ coverage:
 
 clean:
 	$(SBT) $(SBT_FLAGS) +clean
+ifneq (,$(CLEAN_DIRS))
 	for dir in $(CLEAN_DIRS); do $(MAKE) -C $$dir clean; done
+endif
+ifneq (,$(RM_DIRS))
 	$(RM) -r $(RM_DIRS)
+endif
 
 scaladoc:
 	$(SBT) $(SBT_FLAGS) doc test:doc
-- 
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