25f51eeda0
Namely, switched in many places to using GNU make provided functions for directory listing and text processing, rather than spawning a shell process to do that work. In the process of the revision, learned about Target-specific variables, which were very applicable to INSTALL_LIB (which, on a per-recipe basis, was always receiving the same actual arguments for its first two formal parameters in every invocation). http://www.gnu.org/software/make/manual/html_node/Target_002dspecific.html (We might be able to make use of those in future refactorings.) ---- Also adds a cleanup pass to get-snapshot.py as well, since the same problem arises when we unpack libraries from the snapshot archive into a build directory with a prior snapshot's artifacts. (I put this step into the python script rather than the makefile because I wanted to delay the cleanup pass until after we have at least successfully downloaded the tarball. That way, if the download fails, you should not destroy the previous unarchived snapshot libraries and build products.) ---- Also reverted whitespace changes to minimize diff. I plan to put them back in in a dedicated commit elsewhere.
125 lines
4.8 KiB
Makefile
125 lines
4.8 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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$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(STDLIB_GLOB_$(2)),$$(notdir $$@))
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$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) -o $$@ $$< && touch $$@
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$$(call LIST_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(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)) -o $$@ $$< && 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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$$(STAGE$(1)_T_$(2)_H_$(3)) $(BORROWCK) -o $$@ $$< && touch $$@
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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_$(3)): \
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rustllvm/$(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,$$(dir $$@),$(LIBRUSTC_GLOB_$(2)),$$(notdir $$@))
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$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$< && touch $$@
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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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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)) \
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| $$(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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