033ac5497e
When building Rust libraries (e.g. librustc, libstd, etc), checks for and verbosely removes previous build products before invoking rustc. (Also, when Make variable VERBOSE is defined, it will list all of the libraries matching the object library's glob after the rustc invocation has completed.) When installing Rust libraries, checks for previous libraries in target install directory, but does not remove them. The thinking behind these two different modes of operation is that the installation target, unlike the build tree, is not under the control of this infrastructure and it is not up to this Makefile to decide if the previous libraries should be removed.
126 lines
4.9 KiB
Makefile
126 lines
4.9 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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# NOTE: add "-A warnings" after snapshot to WFLAGS_ST0
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WFLAGS_ST0 = -A unrecognized-lint
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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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define TARGET_STAGE_N
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$$(TLIB$(1)_T_$(2)_H_$(3))/libmorestack.a: \
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rt/$(2)/stage$(1)/arch/$$(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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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUNTIME_$(2)): \
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rt/$(2)/stage$(1)/$(CFG_RUNTIME_$(2)) \
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| $$(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_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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$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT, `dirname $$@`, $(STDLIB_GLOB_$(2)), `basename $$@`)
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$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) -o $$@ $$< && touch $$@
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$$(call LIST_ALL_OLD_GLOB_MATCHES_EXCEPT, `dirname $$@`, $(STDLIB_GLOB_$(2)), `basename $$@`)
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$$(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, `dirname $$@`, $(EXTRALIB_GLOB_$(2)), `basename $$@`)
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$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) -o $$@ $$< && touch $$@
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$$(call LIST_ALL_OLD_GLOB_MATCHES_EXCEPT, `dirname $$@`, $(EXTRALIB_GLOB_$(2)), `basename $$@`)
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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, `dirname $$@`, $(LIBSYNTAX_GLOB_$(2)), `basename $$@`)
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$$(STAGE$(1)_T_$(2)_H_$(3)) $(BORROWCK) -o $$@ $$< && touch $$@
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$$(call LIST_ALL_OLD_GLOB_MATCHES_EXCEPT, `dirname $$@`, $(LIBSYNTAX_GLOB_$(2)), `basename $$@`)
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# Only build the compiler for host triples
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ifneq ($$(findstring $(2),$$(CFG_HOST_TRIPLES)),)
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUSTLLVM_$(3)): \
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rustllvm/$(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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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)): CFG_COMPILER_TRIPLE = $(2)
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)): \
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$$(COMPILER_CRATE) $$(COMPILER_INPUTS) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBSYNTAX_$(3)) \
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$$(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, `dirname $$@`, $(LIBRUSTC_GLOB_$(2)), `basename $$@`)
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$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$< && touch $$@
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$$(call LIST_ALL_OLD_GLOB_MATCHES_EXCEPT, `dirname $$@`, $(LIBRUSTC_GLOB_$(2)), `basename $$@`)
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$$(TBIN$(1)_T_$(2)_H_$(3))/rustc$$(X_$(3)): \
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$$(DRIVER_CRATE) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)) \
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| $$(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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