From 4f55a3e0b477509a9bd3b44f9eccc4613d29fc1b Mon Sep 17 00:00:00 2001
From: Daniel Bovensiepen <daniel@bovensiepen.net>
Date: Thu, 22 Nov 2012 19:01:02 +0800
Subject: Deactivate / Activate GEMs Flag introduced into mruby

---
 tools/mruby/Makefile | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/tools/mruby/Makefile b/tools/mruby/Makefile
index 53383a70b..b31ed4941 100644
--- a/tools/mruby/Makefile
+++ b/tools/mruby/Makefile
@@ -8,11 +8,20 @@ BASEDIR = $(MRUBY_ROOT)/src
 TARGET := $(MRUBY_ROOT)/bin/mruby
 LIBR := $(MRUBY_ROOT)/lib/libmruby.a
 
-MAKEFILE_GEM_LIST := $(MRUBY_ROOT)/mrbgems/g/MakefileGemList
-ifeq ($(wildcard $(MAKEFILE_GEM_LIST)),)
+ifeq ($(strip $(ENABLE_GEMS)),)
+  # by default GEMs are deactivated
+  ENABLE_GEMS = false
+endif
+
+ifeq ($(ENABLE_GEMS),false)
   GEM_ARCHIVE_FILES =
 else
-  include $(MAKEFILE_GEM_LIST)
+  MAKEFILE_GEM_LIST := $(MRUBY_ROOT)/mrbgems/g/MakefileGemList
+  ifeq ($(wildcard $(MAKEFILE_GEM_LIST)),)
+    GEM_ARCHIVE_FILES =
+  else
+    include $(MAKEFILE_GEM_LIST)
+  endif
 endif
 
 ifeq ($(OS),Windows_NT)
-- 
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