'make quickcheck': Assorted improvements.

Makefile

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 255 matching lines @@
                 builddir="$(abspath $(OUTDIR))/$(BUILDTYPE)"
 
 mips mips.release mips.debug:
         @echo "V8 does not support big-endian MIPS builds at the moment," \
               "please use little-endian builds (mipsel)."
 
 # Compile targets. MODES and ARCHES are convenience targets.
 .SECONDEXPANSION:
 $(MODES): $(addsuffix .$$@,$(DEFAULT_ARCHES))
 
-$(ARCHES): $(addprefix $$@.,$(MODES))
+$(ARCHES): $(addprefix $$@.,$(DEFAULT_MODES))
 
 # Defines how to build a particular target (e.g. ia32.release).
 $(BUILDS): $(OUTDIR)/Makefile.$$@
         @$(MAKE) -C "$(OUTDIR)" -f Makefile.$@ \
                  CXX="$(CXX)" LINK="$(LINK)" \
                  BUILDTYPE=$(shell echo $(subst .,,$(suffix $@)) | \
                              python -c "print \
                              raw_input().replace('opt', '').capitalize()") \
                  builddir="$(shell pwd)/$(OUTDIR)/$@"
 
@@ skipping 74 matching lines @@
 quickcheck: $(subst $(COMMA),$(SPACE),$(FASTTESTMODES))
         tools/run-tests.py $(TESTJOBS) --outdir=$(OUTDIR) \
             --arch-and-mode=$(FASTTESTMODES) $(TESTFLAGS) --quickcheck
 qc: quickcheck
 
 # Clean targets. You can clean each architecture individually, or everything.
 $(addsuffix .clean, $(ARCHES) $(ANDROID_ARCHES) $(NACL_ARCHES)):
         rm -f $(OUTDIR)/Makefile.$(basename $@)*
         rm -rf $(OUTDIR)/$(basename $@).release
         rm -rf $(OUTDIR)/$(basename $@).debug
+        rm -rf $(OUTDIR)/$(basename $@).optdebug
         find $(OUTDIR) -regex '.*\(host\|target\)\.$(basename $@).*\.mk' -delete
 
 native.clean:
         rm -f $(OUTDIR)/Makefile.native
         rm -rf $(OUTDIR)/native
         find $(OUTDIR) -regex '.*\(host\|target\)\.native\.mk' -delete
 
 clean: $(addsuffix .clean, $(ARCHES) $(ANDROID_ARCHES) $(NACL_ARCHES)) native.clean
 
 # GYP file generation targets.
@@ skipping 51 matching lines @@
         @$(OUTDIR)/ia32.release/d8 --dump-heap-constants >> $(DUMP_FILE)
 
 # Dependencies.
 # Remember to keep these in sync with the DEPS file.
 dependencies:
         svn checkout --force http://gyp.googlecode.com/svn/trunk build/gyp \
             --revision 1685
         svn checkout --force \
             https://src.chromium.org/chrome/trunk/deps/third_party/icu46 \
             third_party/icu --revision 214189