#   BSD LICENSE
# 
#   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
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#   modification, are permitted provided that the following conditions 
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# 
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#       notice, this list of conditions and the following disclaimer.
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#       distribution.
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# build helper .mk

# fast way, no need to do prebuild and postbuild
ifeq ($(PREBUILD)$(POSTBUILD),)

_postbuild: $(_BUILD)
	@touch _postbuild

else # slower way

_prebuild: $(PREBUILD)
	@touch _prebuild

ifneq ($(_BUILD),)
$(_BUILD): _prebuild
else
_BUILD = _prebuild
endif

_build: $(_BUILD)
	@touch _build

ifneq ($(POSTBUILD),)
$(POSTBUILD): _build
else
POSTBUILD = _build
endif

_postbuild: $(POSTBUILD)
	@touch _postbuild
endif