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6e654564db
This splits mk/stageN.mk into host.mk and target.mk and makes the build rules somewhat simpler - there's no more building from stageN into stageN+1; instead we always build from stageN(host) to stageN(target) then promote from stageN(target) to stageN+1(host). Add a big honkin explaination right at the top of Makefile.in
55 lines
1.5 KiB
Makefile
55 lines
1.5 KiB
Makefile
ifdef VERBOSE
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INSTALL = cp $(1)/$(3) $(2)/$(3)
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else
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INSTALL = @$(call E, install: $(2)/$(3)) && cp $(1)/$(3) $(2)/$(3)
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endif
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# The stage we install from
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ISTAGE = 3
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PREFIX_ROOT = $(CFG_PREFIX)
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PREFIX_BIN = $(PREFIX_ROOT)/bin
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PREFIX_LIB = $(PREFIX_ROOT)/lib
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HB = $(HOST_BIN$(ISTAGE))
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HL = $(HOST_LIB$(ISTAGE))
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PHB = $(PREFIX_BIN)
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PHL = $(PREFIX_LIB)
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define INSTALL_TARGET_N
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PREFIX_TARGET_ROOT$(1) = $$(PREFIX_LIB)/rustc/$(1)
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PREFIX_TARGET_BIN$(1) = $$(PREFIX_TARGET_ROOT$(1))/bin
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PREFIX_TARGET_LIB$(1) = $$(PREFIX_TARGET_ROOT$(1))/lib
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TB$(1) = $$(TARGET_BIN$$(ISTAGE)$(1))
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TL$(1) = $$(TARGET_LIB$$(ISTAGE)$(1))
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PTB$(1) = $$(PREFIX_TARGET_BIN$(1))
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PTL$(1) = $$(PREFIX_TARGET_LIB$(1))
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install-target$(1): $$(SREQ$$(ISTAGE)$(1))
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$(Q)mkdir -p $$(PREFIX_TARGET_LIB$(1))
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$(Q)$(call INSTALL,$$(TL$(1)),$$(PTL$(1)),$$(CFG_RUNTIME))
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$(Q)$(call INSTALL,$$(TL$(1)),$$(PTL$(1)),$$(CFG_STDLIB))
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$(Q)$(call INSTALL,$$(TL$(1)),$$(PTL$(1)),intrinsics.bc)
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$(Q)$(call INSTALL,$$(TL$(1)),$$(PTL$(1)),main.o)
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endef
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$(foreach target,$(CFG_TARGET_TRIPLES), \
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$(eval $(call INSTALL_TARGET_N,$(target))))
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INSTALL_TARGET_RULES = $(foreach target,$(CFG_TARGET_TRIPLES), \
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install-target$(target))
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install: install-host install-targets
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install-host: $(SREQ$(ISTAGE)$(CFG_HOST_TRIPLE))
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$(Q)mkdir -p $(PREFIX_BIN)
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$(Q)mkdir -p $(PREFIX_LIB)
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$(Q)$(call INSTALL,$(HB),$(PHB),rustc$(X))
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$(Q)$(call INSTALL,$(HL),$(PHL),$(CFG_RUNTIME))
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$(Q)$(call INSTALL,$(HL),$(PHL),$(CFG_STDLIB))
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$(Q)$(call INSTALL,$(HL),$(PHL),$(CFG_RUSTLLVM))
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install-targets: $(INSTALL_TARGET_RULES)
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