163 lines
5.4 KiB
Makefile
163 lines
5.4 KiB
Makefile
# TARGET_STAGE_N template: This defines how target artifacts are built
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# for all stage/target architecture combinations. The arguments:
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# $(1) is the stage
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# $(2) is the target triple
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# $(3) is the host triple
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# If you are making non-backwards compatible changes to the runtime
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# (resp. corelib), set this flag to 1. It will cause stage1 to use
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# the snapshot runtime (resp. corelib) rather than the runtime
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# (resp. corelib) from the working directory.
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USE_SNAPSHOT_RUNTIME=0
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USE_SNAPSHOT_CORELIB=0
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define TARGET_STAGE_N
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$$(TLIB$(1)_T_$(2)_H_$(3))/libmorestack.a: \
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rt/$(2)/arch/$$(HOST_$(2))/libmorestack.a
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_STDLIB): \
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$$(STDLIB_CRATE) $$(STDLIB_INPUTS) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_CORELIB) \
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$$(TSREQ$(1)_T_$(2)_H_$(3))
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@$$(call E, compile_and_link: $$@)
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$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$< && touch $$@
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_RUSTLLVM): \
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rustllvm/$(2)/$$(CFG_RUSTLLVM)
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(TBIN$(1)_T_$(2)_H_$(3))/rustc$$(X): \
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$$(RUSTC_INPUTS) \
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$$(TLIBRUSTC_DEFAULT$(1)_T_$(2)_H_$(3))
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@$$(call E, compile_and_link: $$@)
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$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$<
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_LIBRUSTC): \
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$$(COMPILER_CRATE) $$(COMPILER_INPUTS) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_LIBRUSTSYNTAX)
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@$$(call E, compile_and_link: $$@)
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$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$< && touch $$@
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_LIBRUSTSYNTAX): \
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$$(LIBRUSTSYNTAX_CRATE) $$(LIBRUSTSYNTAX_INPUTS) \
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_RUSTLLVM) \
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$$(TCORELIB_DEFAULT$(1)_T_$(2)_H_$(3)) \
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$$(TSTDLIB_DEFAULT$(1)_T_$(2)_H_$(3))
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@$$(call E, compile_and_link: $$@)
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$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$< && touch $$@
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endef
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# The stage0 (snapshot) compiler produces binaries that expect the
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# snapshot runtime. Normally the working directory runtime and
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# snapshot runtime are compatible, so this is no problem. But
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# sometimes we want to make non-backwards-compatible changes. In
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# those cases, the stage1 compiler and libraries (which are produced
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# by stage0) should use the runtime from the snapshot. The stage2
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# compiler and libraries (which are produced by stage1) will be the
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# first that are expecting to run against the runtime as defined in
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# the working directory.
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#
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# The catch is that you may not add new functions to the runtime
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# in this case!
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#
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# Arguments are the same as for TARGET_BASE_STAGE_N
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define TARGET_RT_FROM_SNAPSHOT
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_RUNTIME): \
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$$(HLIB$(1)_H_$(3))/$$(CFG_RUNTIME)
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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endef
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# This rule copies from the runtime for the working directory. It
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# applies to targets produced by stage1 or later. See comment on
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# previous rule.
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#
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# Arguments are the same as for TARGET_BASE_STAGE_N
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define TARGET_RT_FROM_WD
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_RUNTIME): \
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rt/$(2)/$$(CFG_RUNTIME)
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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endef
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# As above, but builds the corelib either by taking it out of the
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# snapshot or from the working directory.
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define TARGET_CORELIB_FROM_SNAPSHOT
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_CORELIB): \
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$$(HLIB$(1)_H_$(3))/$$(CFG_CORELIB) \
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$$(CORELIB_INPUTS) \
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$$(TSREQ$(1)_T_$(2)_H_$(3))
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(Q)cp $$(HLIB$(1)_H_$(3))/$$(CORELIB_GLOB) \
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$$(TLIB$(1)_T_$(2)_H_$(3))
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endef
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define TARGET_CORELIB_FROM_WD
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_CORELIB): \
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$$(CORELIB_CRATE) $$(CORELIB_INPUTS) \
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$$(TSREQ$(1)_T_$(2)_H_$(3))
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@$$(call E, compile_and_link: $$@)
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$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$< && touch $$@
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endef
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# In principle, each host can build each target:
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$(foreach source,$(CFG_TARGET_TRIPLES), \
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$(foreach target,$(CFG_TARGET_TRIPLES), \
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$(eval $(call TARGET_STAGE_N,0,$(target),$(source))) \
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$(eval $(call TARGET_STAGE_N,1,$(target),$(source))) \
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$(eval $(call TARGET_STAGE_N,2,$(target),$(source))) \
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$(eval $(call TARGET_STAGE_N,3,$(target),$(source)))))
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# Host triple either uses the snapshot runtime or runtime from
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# working directory, depending on the USE_SNAPSHOT_RUNTIME var.
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ifeq ($(USE_SNAPSHOT_RUNTIME),1)
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$(foreach src,$(CFG_HOST_TRIPLE),\
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$(eval $(call TARGET_RT_FROM_SNAPSHOT,0,$(src),$(src))))
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else
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$(foreach src,$(CFG_HOST_TRIPLE),\
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$(eval $(call TARGET_RT_FROM_WD,0,$(src),$(src))))
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endif
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ifeq ($(USE_SNAPSHOT_CORELIB),1)
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$(foreach src,$(CFG_HOST_TRIPLE),\
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$(eval $(call TARGET_CORELIB_FROM_SNAPSHOT,0,$(src),$(src))))
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else
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$(foreach src,$(CFG_HOST_TRIPLE),\
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$(eval $(call TARGET_CORELIB_FROM_WD,0,$(src),$(src))))
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endif
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# Non-host triples build the stage0 runtime from the working directory
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$(foreach source,$(CFG_TARGET_TRIPLES), \
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$(foreach target,$(NON_HOST_TRIPLES), \
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$(eval $(call TARGET_RT_FROM_WD,0,$(target),$(source))) \
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$(eval $(call TARGET_CORELIB_FROM_WD,0,$(target),$(source))) \
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))
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# After stage0, always build the stage0 runtime from the working directory
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$(foreach source,$(CFG_TARGET_TRIPLES), \
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$(foreach target,$(CFG_TARGET_TRIPLES), \
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$(eval $(call TARGET_RT_FROM_WD,1,$(target),$(source))) \
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$(eval $(call TARGET_RT_FROM_WD,2,$(target),$(source))) \
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$(eval $(call TARGET_RT_FROM_WD,3,$(target),$(source))) \
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$(eval $(call TARGET_CORELIB_FROM_WD,1,$(target),$(source))) \
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$(eval $(call TARGET_CORELIB_FROM_WD,2,$(target),$(source))) \
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$(eval $(call TARGET_CORELIB_FROM_WD,3,$(target),$(source))) \
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))
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