52 lines
1.3 KiB
Makefile
52 lines
1.3 KiB
Makefile
# Extract the snapshot host compiler
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$(HBIN0_H_$(CFG_BUILD))/:
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mkdir -p $@
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# On windows these two are the same, so cause a redifinition warning
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ifneq ($(HBIN0_H_$(CFG_BUILD)),$(HLIB0_H_$(CFG_BUILD)))
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$(HLIB0_H_$(CFG_BUILD))/:
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mkdir -p $@
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endif
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$(SNAPSHOT_RUSTC_POST_CLEANUP): \
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$(S)src/snapshots.txt \
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$(S)src/etc/get-snapshot.py $(MKFILE_DEPS) \
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| $(HBIN0_H_$(CFG_BUILD))/
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@$(call E, fetch: $@)
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# Note: the variable "SNAPSHOT_FILE" is generally not set, and so
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# we generally only pass one argument to this script.
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ifdef CFG_ENABLE_LOCAL_RUST
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$(Q)$(S)src/etc/local_stage0.sh $(CFG_BUILD) $(CFG_LOCAL_RUST_ROOT) rustlib
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else
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$(Q)$(CFG_PYTHON) $(S)src/etc/get-snapshot.py $(CFG_BUILD) $(SNAPSHOT_FILE)
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endif
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$(Q)touch $@
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# For other targets, let the host build the target:
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define BOOTSTRAP_STAGE0
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# $(1) target to bootstrap
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# $(2) stage to bootstrap from
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# $(3) target to bootstrap from
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$(HBIN0_H_$(1))/:
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mkdir -p $@
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$(HLIB0_H_$(1))/:
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mkdir -p $@
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$$(HBIN0_H_$(1))/rustc$$(X_$(1)): \
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$$(TBIN$(2)_T_$(1)_H_$(3))/rustc$$(X_$(1)) \
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| $(HBIN0_H_$(1))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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endef
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# Use stage1 to build other architectures: then you don't have to wait
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# for stage2, but you get the latest updates to the compiler source.
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$(foreach t,$(NON_BUILD_HOST), \
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$(eval $(call BOOTSTRAP_STAGE0,$(t),1,$(CFG_BUILD))))
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