2017-06-02 20:20:51 +08:00
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ifneq ($(MAKECMDGOALS),clean) # ignore check for make clean
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ifeq ($(AM_HOME),) # AM_HOME must exist
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$(error Environment variable AM_HOME must be defined.)
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endif
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ARCHS = $(shell ls $(AM_HOME)/am/arch/)
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ifeq ($(filter $(ARCHS), $(ARCH)), ) # ARCH must be valid
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$(error Invalid ARCH. Supported: $(ARCHS))
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endif
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2017-05-21 22:10:24 +08:00
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endif
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