Make build products depend on their target directories.
This is an attempt to address Issue #3326 by adding [*order-only*][1] prerequsites of each build product on the directory where it is to go. It is important that the prerequisites be order-only, since the timestamp on a parent directory is not relevant to whether a product is out of date; the parent directory merely needs to exist. (This use case of generating target directories was provided as an [example][2] of how order-only prequisites are used.) [1]: http://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html [2]: http://www.kolpackov.net/pipermail/notes/2004-January/000001.html
This commit is contained in:
Felix S. Klock II
parent
326d9661b7
commit
4dd0fa6876
35
mk/host.mk
35
mk/host.mk
@ -29,7 +29,9 @@ $$(HBIN$(2)_H_$(4))/rustc$$(X_$(4)): \
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$$(HLIB$(2)_H_$(4))/$(CFG_RUSTLLVM_$(4)) \
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$$(HLIB$(2)_H_$(4))/$(CFG_LIBRUSTC_$(4)) \
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$$(HCORELIB_DEFAULT$(2)_H_$(4)) \
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$$(HSTDLIB_DEFAULT$(2)_H_$(4))
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$$(HSTDLIB_DEFAULT$(2)_H_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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@ -39,7 +41,9 @@ $$(HLIB$(2)_H_$(4))/$(CFG_LIBRUSTC_$(4)): \
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$$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4)) \
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$$(HLIB$(2)_H_$(4))/$(CFG_RUSTLLVM_$(4)) \
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$$(HCORELIB_DEFAULT$(2)_H_$(4)) \
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$$(HSTDLIB_DEFAULT$(2)_H_$(4))
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$$(HSTDLIB_DEFAULT$(2)_H_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(Q)cp -R $$(TLIB$(1)_T_$(4)_H_$(3))/$(LIBRUSTC_GLOB_$(4)) \
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@ -51,7 +55,8 @@ $$(HLIB$(2)_H_$(4))/$(CFG_LIBSYNTAX_$(4)): \
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$$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4)) \
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$$(HLIB$(2)_H_$(4))/$(CFG_RUSTLLVM_$(4)) \
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$$(HCORELIB_DEFAULT$(2)_H_$(4)) \
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$$(HSTDLIB_DEFAULT$(2)_H_$(4))
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$$(HSTDLIB_DEFAULT$(2)_H_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(Q)cp -R $$(TLIB$(1)_T_$(4)_H_$(3))/$(LIBSYNTAX_GLOB_$(4)) \
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@ -59,13 +64,15 @@ $$(HLIB$(2)_H_$(4))/$(CFG_LIBSYNTAX_$(4)): \
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$$(HLIB$(2)_H_$(4))
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$$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4)): \
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$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_RUNTIME_$(4))
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$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_RUNTIME_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(HLIB$(2)_H_$(4))/$(CFG_CORELIB_$(4)): \
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$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_CORELIB_$(4)) \
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$$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4))
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$$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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# Subtle: We do not let the shell expand $(CORELIB_DSYM_GLOB) directly rather
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@ -82,7 +89,8 @@ $$(HLIB$(2)_H_$(4))/$(CFG_CORELIB_$(4)): \
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$$(HLIB$(2)_H_$(4))/$(CFG_STDLIB_$(4)): \
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$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_STDLIB_$(4)) \
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$$(HLIB$(2)_H_$(4))/$(CFG_CORELIB_$(4)) \
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$$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4))
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$$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(Q)cp -R $$(TLIB$(1)_T_$(4)_H_$(3))/$(STDLIB_GLOB_$(4)) \
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@ -91,14 +99,16 @@ $$(HLIB$(2)_H_$(4))/$(CFG_STDLIB_$(4)): \
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$$(HLIB$(2)_H_$(4))/libcore.rlib: \
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$$(TLIB$(1)_T_$(4)_H_$(3))/libcore.rlib \
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$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME_$(4))
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$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(HLIB$(2)_H_$(4))/libstd.rlib: \
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$$(TLIB$(1)_T_$(4)_H_$(3))/libstd.rlib \
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$$(HLIB$(2)_H_$(4))/libcore.rlib \
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$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME_$(4))
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$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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@ -106,15 +116,20 @@ $$(HLIB$(2)_H_$(4))/librustc.rlib: \
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$$(TLIB$(1)_T_$(4)_H_$(3))/librustc.rlib \
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$$(HLIB$(2)_H_$(4))/libcore.rlib \
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$$(HLIB$(2)_H_$(4))/libstd.rlib \
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$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME_$(4))
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$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(HLIB$(2)_H_$(4))/$(CFG_RUSTLLVM_$(4)): \
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$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_RUSTLLVM_$(4))
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$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_RUSTLLVM_$(4)) \
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| $$(HBIN$(2)_H_$(4))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(HBIN$(2)_H_$(4))/:
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mkdir -p $@
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endef
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$(foreach t,$(CFG_HOST_TRIPLES), \
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29
mk/target.mk
29
mk/target.mk
@ -18,25 +18,29 @@
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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_$(2))/libmorestack.a
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rt/$(2)/arch/$$(HOST_$(2))/libmorestack.a \
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| $$(TLIB$(1)_T_$(2)_H_$(3))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUNTIME_$(2)): \
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rt/$(2)/$(CFG_RUNTIME_$(2))
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rt/$(2)/$(CFG_RUNTIME_$(2)) \
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| $$(TLIB$(1)_T_$(2)_H_$(3))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_CORELIB_$(2)): \
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$$(CORELIB_CRATE) $$(CORELIB_INPUTS) \
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$$(TSREQ$(1)_T_$(2)_H_$(3))
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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| $$(TLIB$(1)_T_$(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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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_STDLIB_$(2)): \
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$$(STDLIB_CRATE) $$(STDLIB_INPUTS) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_CORELIB_$(2)) \
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$$(TSREQ$(1)_T_$(2)_H_$(3))
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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| $$(TLIB$(1)_T_$(2)_H_$(3))/
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@$$(call E, compile_and_link: $$@)
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$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$< && touch $$@
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@ -44,7 +48,8 @@ $$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBSYNTAX_$(3)): \
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$$(LIBSYNTAX_CRATE) $$(LIBSYNTAX_INPUTS) \
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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$$(TCORELIB_DEFAULT$(1)_T_$(2)_H_$(3)) \
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$$(TSTDLIB_DEFAULT$(1)_T_$(2)_H_$(3))
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$$(TSTDLIB_DEFAULT$(1)_T_$(2)_H_$(3)) \
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| $$(TLIB$(1)_T_$(2)_H_$(3))/
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@$$(call E, compile_and_link: $$@)
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$$(STAGE$(1)_T_$(2)_H_$(3)) $(BORROWCK) -o $$@ $$< && touch $$@
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@ -52,20 +57,23 @@ $$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBSYNTAX_$(3)): \
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ifneq ($$(findstring $(2),$$(CFG_HOST_TRIPLES)),)
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUSTLLVM_$(3)): \
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rustllvm/$(2)/$(CFG_RUSTLLVM_$(3))
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rustllvm/$(2)/$(CFG_RUSTLLVM_$(3)) \
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| $$(TLIB$(1)_T_$(2)_H_$(3))/
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)): \
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$$(COMPILER_CRATE) $$(COMPILER_INPUTS) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBSYNTAX_$(3)) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUSTLLVM_$(3))
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUSTLLVM_$(3)) \
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| $$(TLIB$(1)_T_$(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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$$(TBIN$(1)_T_$(2)_H_$(3))/rustc$$(X_$(3)): \
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$$(DRIVER_CRATE) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3))
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$$(DRIVER_CRATE) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)) \
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| $$(TLIB$(1)_T_$(2)_H_$(3))/
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@$$(call E, compile_and_link: $$@)
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$$(STAGE$(1)_T_$(2)_H_$(3)) --cfg rustc -o $$@ $$<
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ifdef CFG_ENABLE_PAX_FLAGS
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@ -75,6 +83,9 @@ endif
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endif
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$$(TLIB$(1)_T_$(2)_H_$(3))/:
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mkdir -p $@
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endef
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# In principle, each host can build each target:
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