140 lines
5.6 KiB
Makefile
140 lines
5.6 KiB
Makefile
# Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution and at
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# http://rust-lang.org/COPYRIGHT.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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# This is the compile-time target-triple for the compiler. For the compiler at
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# runtime, this should be considered the host-triple. More explanation for why
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# this exists can be found on issue #2400
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export CFG_COMPILER_TRIPLE
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# The standard libraries should be held up to a higher standard than any old
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# code, make sure that these common warnings are denied by default. These can
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# be overridden during development temporarily. For stage0, we allow all these
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# to suppress warnings which may be bugs in stage0 (should be fixed in stage1+)
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WFLAGS_ST0 = -A warnings
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WFLAGS_ST1 = -D warnings
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WFLAGS_ST2 = -D warnings
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# 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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# Every recipe in TARGET_STAGE_N outputs to $$(TLIB$(1)_T_$(2)_H_$(3),
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# a directory that can be cleaned out during the middle of a run of
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# the get-snapshot.py script. Therefore, every recipe needs to have
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# an order-only dependency either on $(SNAPSHOT_RUSTC_POST_CLEANUP) or
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# on $$(TSREQ$(1)_T_$(2)_H_$(3)), to ensure that no products will be
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# put into the target area until after the get-snapshot.py script has
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# had its chance to clean it out; otherwise the other products will be
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# inadvertantly included in the clean out.
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SNAPSHOT_RUSTC_POST_CLEANUP=$(HBIN0_H_$(CFG_BUILD_TRIPLE))/rustc$(X_$(CFG_BUILD_TRIPLE))
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define TARGET_STAGE_N
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$$(TLIB$(1)_T_$(2)_H_$(3))/libmorestack.a: \
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$(2)/rt/stage$(1)/arch/$$(HOST_$(2))/libmorestack.a \
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| $$(TLIB$(1)_T_$(2)_H_$(3))/ \
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$(SNAPSHOT_RUSTC_POST_CLEANUP)
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@$$(call E, cp: $$@)
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$$(Q)cp $$< $$@
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUNTIME_$(2)): \
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$(2)/rt/stage$(1)/$(CFG_RUNTIME_$(2)) \
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| $$(TLIB$(1)_T_$(2)_H_$(3))/ \
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$(SNAPSHOT_RUSTC_POST_CLEANUP)
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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_$(2)): \
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$$(STDLIB_CRATE) $$(STDLIB_INPUTS) \
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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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$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(STDLIB_GLOB_$(2)),$$(notdir $$@))
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$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) --out-dir $$(@D) $$< && touch $$@
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$$(call LIST_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(STDLIB_GLOB_$(2)),$$(notdir $$@))
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_EXTRALIB_$(2)): \
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$$(EXTRALIB_CRATE) $$(EXTRALIB_INPUTS) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_STDLIB_$(2)) \
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$$(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: $$@)
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$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(EXTRALIB_GLOB_$(2)),$$(notdir $$@))
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$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) --out-dir $$(@D) $$< && touch $$@
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$$(call LIST_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(EXTRALIB_GLOB_$(2)),$$(notdir $$@))
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBSYNTAX_$(3)): \
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$$(LIBSYNTAX_CRATE) $$(LIBSYNTAX_INPUTS) \
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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$$(TSTDLIB_DEFAULT$(1)_T_$(2)_H_$(3)) \
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$$(TEXTRALIB_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: $$@)
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$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(LIBSYNTAX_GLOB_$(2)),$$(notdir $$@))
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$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) $(BORROWCK) --out-dir $$(@D) $$< && touch $$@
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$$(call LIST_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(LIBSYNTAX_GLOB_$(2)),$$(notdir $$@))
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# Only build the compiler for host triples
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ifneq ($$(findstring $(2),$$(CFG_HOST_TRIPLES)),)
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUSTLLVM_$(3)): \
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$(2)/rustllvm/$(CFG_RUSTLLVM_$(3)) \
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| $$(TLIB$(1)_T_$(2)_H_$(3))/ \
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$(SNAPSHOT_RUSTC_POST_CLEANUP)
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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)): CFG_COMPILER_TRIPLE = $(2)
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)): \
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$$(COMPILER_CRATE) $$(COMPILER_INPUTS) \
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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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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| $$(TLIB$(1)_T_$(2)_H_$(3))/
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@$$(call E, compile_and_link: $$@)
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$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(LIBRUSTC_GLOB_$(2)),$$(notdir $$@))
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$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) --out-dir $$(@D) $$< && touch $$@
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$$(call LIST_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(LIBRUSTC_GLOB_$(2)),$$(notdir $$@))
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$$(TBIN$(1)_T_$(2)_H_$(3))/rustc$$(X_$(3)): \
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$$(DRIVER_CRATE) \
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)) \
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| $$(TBIN$(1)_T_$(2)_H_$(3))/
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@$$(call E, compile_and_link: $$@)
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$$(STAGE$(1)_T_$(2)_H_$(3)) --cfg rustc -o $$@ $$<
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ifdef CFG_ENABLE_PAX_FLAGS
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@$$(call E, apply PaX flags: $$@)
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@"$(CFG_PAXCTL)" -cm "$$@"
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endif
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endif
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$$(TBIN$(1)_T_$(2)_H_$(3))/:
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mkdir -p $$@
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ifneq ($(CFG_LIBDIR),bin)
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$$(TLIB$(1)_T_$(2)_H_$(3))/:
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mkdir -p $$@
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endif
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endef
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# In principle, each host can build each target:
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$(foreach source,$(CFG_HOST_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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