From 660eb545dbb60bbf0c338a3b381aef4dc3734c51 Mon Sep 17 00:00:00 2001
From: Daniel Bovensiepen <daniel@bovensiepen.net>
Date: Fri, 23 Nov 2012 19:42:10 +0800
Subject: Respect dynamic GEMS.active file in mrbgems/Makefile4gem

---
 mrbgems/Makefile4gem | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/mrbgems/Makefile4gem b/mrbgems/Makefile4gem
index 3a2e74096..a24b162ab 100644
--- a/mrbgems/Makefile4gem
+++ b/mrbgems/Makefile4gem
@@ -26,6 +26,11 @@ endif
 
 GEM_PACKAGE := mrb-$(GEM)-gem.a
 
+ifeq ($(strip $(ACTIVE_GEMS)),)
+  # the default file which contains the active GEMs
+  ACTIVE_GEMS = GEMS.active
+endif
+
 # Default rules which are calling the
 # gem specific gem-all and gem-clean
 # implementations of a gem
@@ -44,14 +49,14 @@ gem_mixlib.c : gem_mrblib_header.ctmp gem_mrblib_irep.ctmp gem_mixlib_init.ctmp
 	cat $^ > $@
 
 gem_mixlib_init.ctmp :
-	$(MRUBY_ROOT)mrbgems/generator gem_mixlib $(GEM) > $@
+	$(MRUBY_ROOT)mrbgems/generator gem_mixlib $(GEM) "$(ACTIVE_GEMS)" > $@
 
 # Building target for C files
 gem-c-files : gem_srclib.o
 	$(AR) rs $(GEM_PACKAGE) $(GEM_OBJECTS) $<
 
 gem_srclib.c :
-	$(MRUBY_ROOT)mrbgems/generator gem_srclib $(GEM) > $@
+	$(MRUBY_ROOT)mrbgems/generator gem_srclib $(GEM) "$(ACTIVE_GEMS)" > $@
 
 # Building target for Ruby Files
 gem-rb-files : gem_mrblib.o
@@ -61,10 +66,10 @@ gem_mrblib.c : gem_mrblib_header.ctmp gem_mrblib_irep.ctmp gem_mrblib_init.ctmp
 	cat $^ > $@
 
 gem_mrblib_header.ctmp :
-	$(MRUBY_ROOT)mrbgems/generator gem_mrblib > $@
+	$(MRUBY_ROOT)mrbgems/generator gem_mrblib "$(ACTIVE_GEMS)" > $@
 
 gem_mrblib_init.ctmp :
-	$(MRUBY_ROOT)mrbgems/generator gem_mrblib $(GEM) > $@
+	$(MRUBY_ROOT)mrbgems/generator gem_mrblib $(GEM) "$(ACTIVE_GEMS)" > $@
 
 gem_mrblib_irep.ctmp : gem_mrblib.rbtmp
 	$(MRUBY_ROOT)bin/mrbc -Bgem_mrblib_irep_$(GEM) -o$@ $<
-- 
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