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479 lines
15 KiB
Makefile
479 lines
15 KiB
Makefile
# Copyright 2014 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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######################################################################
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# Version numbers and strings
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######################################################################
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# The version number
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CFG_RELEASE_NUM=0.10
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CFG_RELEASE_LABEL=
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ifndef CFG_ENABLE_NIGHTLY
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# This is the normal version string
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CFG_RELEASE=$(CFG_RELEASE_NUM)$(CFG_RELEASE_LABEL)
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CFG_PACKAGE_VERS=$(CFG_RELEASE)
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else
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# Modify the version label for nightly builds
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CFG_RELEASE=$(CFG_RELEASE_NUM)$(CFG_RELEASE_LABEL)-nightly
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# When building nightly distributables just reuse the same "rust-nightly" name
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# so when we upload we'll always override the previous nighly. This doesn't actually
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# impact the version reported by rustc - it's just for file naming.
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CFG_PACKAGE_VERS=nightly
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endif
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# The name of the package to use for creating tarballs, installers etc.
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CFG_PACKAGE_NAME=rust-$(CFG_PACKAGE_VERS)
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# The version string plus commit information - this is what rustc reports
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CFG_VERSION = $(CFG_RELEASE)
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CFG_GIT_DIR := $(CFG_SRC_DIR).git
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# since $(CFG_GIT) may contain spaces (especially on Windows),
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# we need to escape them. (" " to r"\ ")
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# Note that $(subst ...) ignores space after `subst`,
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# so we use a hack: define $(SPACE) which contains space character.
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SPACE :=
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SPACE +=
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ifneq ($(wildcard $(subst $(SPACE),\$(SPACE),$(CFG_GIT))),)
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ifneq ($(wildcard $(subst $(SPACE),\$(SPACE),$(CFG_GIT_DIR))),)
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CFG_VERSION += $(shell git --git-dir='$(CFG_GIT_DIR)' log -1 \
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--pretty=format:'(%h %ci)')
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CFG_VER_HASH = $(shell git --git-dir='$(CFG_GIT_DIR)' rev-parse HEAD)
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endif
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endif
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# Windows exe's need numeric versions - don't use anything but
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# numbers and dots here
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CFG_VERSION_WIN = $(CFG_RELEASE_NUM)
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######################################################################
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# More configuration
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######################################################################
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# We track all of the object files we might build so that we can find
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# and include all of the .d files in one fell swoop.
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ALL_OBJ_FILES :=
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MKFILE_DEPS := config.stamp $(call rwildcard,$(CFG_SRC_DIR)mk/,*)
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MKFILES_FOR_TARBALL:=$(MKFILE_DEPS)
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ifneq ($(NO_MKFILE_DEPS),)
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MKFILE_DEPS :=
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endif
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NON_BUILD_HOST = $(filter-out $(CFG_BUILD),$(CFG_HOST))
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NON_BUILD_TARGET = $(filter-out $(CFG_BUILD),$(CFG_TARGET))
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ifneq ($(MAKE_RESTARTS),)
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CFG_INFO := $(info cfg: make restarts: $(MAKE_RESTARTS))
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endif
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CFG_INFO := $(info cfg: build triple $(CFG_BUILD))
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CFG_INFO := $(info cfg: host triples $(CFG_HOST))
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CFG_INFO := $(info cfg: target triples $(CFG_TARGET))
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ifneq ($(wildcard $(NON_BUILD_HOST)),)
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CFG_INFO := $(info cfg: non-build host triples $(NON_BUILD_HOST))
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endif
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ifneq ($(wildcard $(NON_BUILD_TARGET)),)
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CFG_INFO := $(info cfg: non-build target triples $(NON_BUILD_TARGET))
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endif
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CFG_RUSTC_FLAGS := $(RUSTFLAGS)
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CFG_GCCISH_CFLAGS :=
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CFG_GCCISH_LINK_FLAGS :=
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ifdef CFG_DISABLE_OPTIMIZE
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$(info cfg: disabling rustc optimization (CFG_DISABLE_OPTIMIZE))
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CFG_RUSTC_FLAGS +=
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else
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# The rtopt cfg turns off runtime sanity checks
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CFG_RUSTC_FLAGS += -O --cfg rtopt
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endif
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ifdef CFG_DISABLE_DEBUG
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CFG_RUSTC_FLAGS += --cfg ndebug
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CFG_GCCISH_CFLAGS += -DRUST_NDEBUG
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else
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$(info cfg: enabling more debugging (CFG_ENABLE_DEBUG))
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CFG_RUSTC_FLAGS += --cfg debug
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CFG_GCCISH_CFLAGS += -DRUST_DEBUG
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endif
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ifdef SAVE_TEMPS
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CFG_RUSTC_FLAGS += --save-temps
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endif
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ifdef ASM_COMMENTS
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CFG_RUSTC_FLAGS += -Z asm-comments
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endif
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ifdef TIME_PASSES
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CFG_RUSTC_FLAGS += -Z time-passes
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endif
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ifdef TIME_LLVM_PASSES
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CFG_RUSTC_FLAGS += -Z time-llvm-passes
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endif
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ifdef TRACE
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CFG_RUSTC_FLAGS += -Z trace
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endif
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ifdef CFG_DISABLE_RPATH
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CFG_RUSTC_FLAGS += -C no-rpath
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endif
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# The executables crated during this compilation process have no need to include
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# static copies of libstd and libextra. We also generate dynamic versions of all
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# libraries, so in the interest of space, prefer dynamic linking throughout the
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# compilation process.
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#
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# Note though that these flags are omitted for stage2+. This means that the
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# snapshot will be generated with a statically linked rustc so we only have to
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# worry about the distribution of one file (with its native dynamic
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# dependencies)
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RUSTFLAGS_STAGE0 += -C prefer-dynamic
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RUSTFLAGS_STAGE1 += -C prefer-dynamic
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# platform-specific auto-configuration
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include $(CFG_SRC_DIR)mk/platform.mk
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# Run the stage1/2 compilers under valgrind
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ifdef VALGRIND_COMPILE
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CFG_VALGRIND_COMPILE :=$(CFG_VALGRIND)
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else
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CFG_VALGRIND_COMPILE :=
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endif
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ifdef CFG_ENABLE_VALGRIND
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$(info cfg: enabling valgrind (CFG_ENABLE_VALGRIND))
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else
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CFG_VALGRIND :=
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endif
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ifdef CFG_BAD_VALGRIND
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$(info cfg: disabling valgrind due to its unreliability on this platform)
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CFG_VALGRIND :=
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endif
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######################################################################
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# Target-and-rule "utility variables"
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######################################################################
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define DEF_X
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X_$(1) := $(CFG_EXE_SUFFIX_$(1))
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endef
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$(foreach target,$(CFG_TARGET),\
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$(eval $(call DEF_X,$(target))))
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# "Source" files we generate in builddir along the way.
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GENERATED :=
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# Delete the built-in rules.
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.SUFFIXES:
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%:: %,v
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%:: RCS/%,v
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%:: RCS/%
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%:: s.%
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%:: SCCS/s.%
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######################################################################
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# Cleaning out old crates
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######################################################################
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# $(1) is the path for directory to match against
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# $(2) is the glob to use in the match
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#
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# Note that a common bug is to accidentally construct the glob denoted
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# by $(2) with a space character prefix, which invalidates the
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# construction $(1)$(2).
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define CHECK_FOR_OLD_GLOB_MATCHES
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$(Q)MATCHES="$(wildcard $(1))"; if [ -n "$$MATCHES" ] ; then echo "warning: there are previous" \'$(notdir $(2))\' "libraries:" $$MATCHES; fi
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endef
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# Same interface as above, but deletes rather than just listing the files.
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ifdef VERBOSE
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define REMOVE_ALL_OLD_GLOB_MATCHES
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$(Q)MATCHES="$(wildcard $(1))"; if [ -n "$$MATCHES" ] ; then echo "warning: removing previous" \'$(notdir $(1))\' "libraries:" $$MATCHES; rm $$MATCHES ; fi
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endef
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else
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define REMOVE_ALL_OLD_GLOB_MATCHES
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$(Q)MATCHES="$(wildcard $(1))"; if [ -n "$$MATCHES" ] ; then rm $$MATCHES ; fi
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endef
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endif
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# We use a different strategy for LIST_ALL_OLD_GLOB_MATCHES_EXCEPT
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# than in the macros above because it needs the result of running the
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# `ls` command after other rules in the command list have run; the
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# macro-expander for $(wildcard ...) would deliver its results too
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# soon. (This is in contrast to the macros above, which are meant to
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# be run at the outset of a command list in a rule.)
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ifdef VERBOSE
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define LIST_ALL_OLD_GLOB_MATCHES
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@echo "info: now are following matches for" '$(notdir $(1))' "libraries:"
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@( ls $(1) 2>/dev/null || true )
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endef
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else
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define LIST_ALL_OLD_GLOB_MATCHES
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endef
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endif
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######################################################################
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# LLVM macros
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######################################################################
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# FIXME: x86-ism
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LLVM_COMPONENTS=x86 arm mips ipo bitreader bitwriter linker asmparser jit mcjit \
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interpreter instrumentation
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# Only build these LLVM tools
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LLVM_TOOLS=bugpoint llc llvm-ar llvm-as llvm-dis llvm-mc opt llvm-extract
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define DEF_LLVM_VARS
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# The configure script defines these variables with the target triples
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# separated by Z. This defines new ones with the expected format.
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ifeq ($$(CFG_LLVM_ROOT),)
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CFG_LLVM_BUILD_DIR_$(1):=$$(CFG_LLVM_BUILD_DIR_$(subst -,_,$(1)))
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CFG_LLVM_INST_DIR_$(1):=$$(CFG_LLVM_INST_DIR_$(subst -,_,$(1)))
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else
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CFG_LLVM_INST_DIR_$(1):=$$(CFG_LLVM_ROOT)
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endif
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# Any rules that depend on LLVM should depend on LLVM_CONFIG
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LLVM_CONFIG_$(1):=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-config$$(X_$(1))
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LLVM_MC_$(1):=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-mc$$(X_$(1))
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LLVM_VERSION_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --version)
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LLVM_BINDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --bindir)
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LLVM_INCDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --includedir)
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LLVM_LIBDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --libdir)
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LLVM_LIBS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --libs $$(LLVM_COMPONENTS))
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LLVM_LDFLAGS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --ldflags)
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# On FreeBSD, it may search wrong headers (that are for pre-installed LLVM),
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# so we replace -I with -iquote to ensure that it searches bundled LLVM first.
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LLVM_CXXFLAGS_$(1)=$$(subst -I, -iquote , $$(shell "$$(LLVM_CONFIG_$(1))" --cxxflags))
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LLVM_HOST_TRIPLE_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --host-target)
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LLVM_AS_$(1)=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-as$$(X_$(1))
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LLC_$(1)=$$(CFG_LLVM_INST_DIR_$(1))/bin/llc$$(X_$(1))
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endef
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$(foreach host,$(CFG_HOST), \
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$(eval $(call DEF_LLVM_VARS,$(host))))
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######################################################################
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# Exports for sub-utilities
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######################################################################
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# Note that any variable that re-configure should pick up needs to be
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# exported
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export CFG_SRC_DIR
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export CFG_BUILD_DIR
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export CFG_VERSION
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export CFG_VERSION_WIN
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export CFG_RELEASE
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export CFG_PACKAGE_NAME
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export CFG_BUILD
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export CFG_LLVM_ROOT
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export CFG_ENABLE_MINGW_CROSS
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export CFG_PREFIX
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export CFG_LIBDIR
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export CFG_LIBDIR_RELATIVE
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export CFG_DISABLE_INJECT_STD_VERSION
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######################################################################
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# Per-stage targets and runner
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######################################################################
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STAGES = 0 1 2 3
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define SREQ
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# $(1) is the stage number
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# $(2) is the target triple
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# $(3) is the host triple
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# Destinations of artifacts for the host compiler
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HROOT$(1)_H_$(3) = $(3)/stage$(1)
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HBIN$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/bin
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HLIB$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/$$(CFG_LIBDIR_RELATIVE)
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# Destinations of artifacts for target architectures
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TROOT$(1)_T_$(2)_H_$(3) = $$(HLIB$(1)_H_$(3))/rustlib/$(2)
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TBIN$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/bin
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TLIB$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/lib
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# Preqrequisites for using the stageN compiler
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ifeq ($(1),0)
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HSREQ$(1)_H_$(3) = $$(HBIN$(1)_H_$(3))/rustc$$(X_$(3))
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else
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HSREQ$(1)_H_$(3) = \
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$$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) \
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$$(HLIB$(1)_H_$(3))/stamp.rustc \
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$$(foreach dep,$$(RUST_DEPS_rustc),$$(HLIB$(1)_H_$(3))/stamp.$$(dep)) \
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$$(MKFILE_DEPS)
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endif
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# Prerequisites for using the stageN compiler to build target artifacts
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TSREQ$(1)_T_$(2)_H_$(3) = \
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$$(HSREQ$(1)_H_$(3)) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/libmorestack.a \
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$$(TLIB$(1)_T_$(2)_H_$(3))/libcompiler-rt.a
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# Prerequisites for a working stageN compiler and libraries, for a specific
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# target
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SREQ$(1)_T_$(2)_H_$(3) = \
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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$$(foreach dep,$$(TARGET_CRATES),\
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$$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$$(dep))
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# Prerequisites for a working stageN compiler and complete set of target
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# libraries
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CSREQ$(1)_T_$(2)_H_$(3) = \
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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$$(HBIN$(1)_H_$(3))/rustdoc$$(X_$(3)) \
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$$(foreach dep,$$(CRATES),$$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$$(dep)) \
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$$(foreach dep,$$(HOST_CRATES),$$(HLIB$(1)_H_$(3))/stamp.$$(dep))
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ifeq ($(1),0)
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# Don't run the stage0 compiler under valgrind - that ship has sailed
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CFG_VALGRIND_COMPILE$(1) =
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else
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CFG_VALGRIND_COMPILE$(1) = $$(CFG_VALGRIND_COMPILE)
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endif
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# Add RUSTFLAGS_STAGEN values to the build command
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EXTRAFLAGS_STAGE$(1) = $$(RUSTFLAGS_STAGE$(1))
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CFGFLAG$(1)_T_$(2)_H_$(3) = stage$(1)
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# Pass --cfg stage0 only for the build->host part of stage0;
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# if you're building a cross config, the host->* parts are
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# effectively stage1, since it uses the just-built stage0.
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ifeq ($(1),0)
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ifneq ($(strip $(CFG_BUILD)),$(strip $(3)))
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CFGFLAG$(1)_T_$(2)_H_$(3) = stage1
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endif
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endif
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ifdef CFG_DISABLE_RPATH
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ifeq ($$(OSTYPE_$(3)),apple-darwin)
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RPATH_VAR$(1)_T_$(2)_H_$(3) := \
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DYLD_LIBRARY_PATH="$$$$DYLD_LIBRARY_PATH:$$(CURDIR)/$$(HLIB$(1)_H_$(3))"
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else
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RPATH_VAR$(1)_T_$(2)_H_$(3) := \
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LD_LIBRARY_PATH="$$$$LD_LIBRARY_PATH:$$(CURDIR)/$$(HLIB$(1)_H_$(3))"
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endif
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else
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RPATH_VAR$(1)_T_$(2)_H_$(3) :=
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endif
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STAGE$(1)_T_$(2)_H_$(3) := \
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$$(Q)$$(RPATH_VAR$(1)_T_$(2)_H_$(3)) \
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$$(call CFG_RUN_TARG_$(3),$(1), \
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$$(CFG_VALGRIND_COMPILE$(1)) \
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$$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) \
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--cfg $$(CFGFLAG$(1)_T_$(2)_H_$(3)) \
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$$(CFG_RUSTC_FLAGS) $$(EXTRAFLAGS_STAGE$(1)) --target=$(2)) \
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$$(RUSTC_FLAGS_$(2))
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PERF_STAGE$(1)_T_$(2)_H_$(3) := \
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$$(Q)$$(call CFG_RUN_TARG_$(3),$(1), \
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$$(CFG_PERF_TOOL) \
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$$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) \
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--cfg $$(CFGFLAG$(1)_T_$(2)_H_$(3)) \
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$$(CFG_RUSTC_FLAGS) $$(EXTRAFLAGS_STAGE$(1)) --target=$(2)) \
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$$(RUSTC_FLAGS_$(2))
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endef
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$(foreach build,$(CFG_HOST), \
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$(eval $(foreach target,$(CFG_TARGET), \
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$(eval $(foreach stage,$(STAGES), \
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$(eval $(call SREQ,$(stage),$(target),$(build))))))))
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######################################################################
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# rustc-H-targets
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#
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# Builds a functional Rustc for the given host.
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######################################################################
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define DEF_RUSTC_STAGE_TARGET
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# $(1) == architecture
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# $(2) == stage
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rustc-stage$(2)-H-$(1): \
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$$(foreach target,$$(CFG_TARGET),$$(SREQ$(2)_T_$$(target)_H_$(1)))
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endef
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$(foreach host,$(CFG_HOST), \
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$(eval $(foreach stage,1 2 3, \
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$(eval $(call DEF_RUSTC_STAGE_TARGET,$(host),$(stage))))))
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rustc-stage1: rustc-stage1-H-$(CFG_BUILD)
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rustc-stage2: rustc-stage2-H-$(CFG_BUILD)
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rustc-stage3: rustc-stage3-H-$(CFG_BUILD)
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define DEF_RUSTC_TARGET
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# $(1) == architecture
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rustc-H-$(1): rustc-stage2-H-$(1)
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endef
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$(foreach host,$(CFG_TARGET), \
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$(eval $(call DEF_RUSTC_TARGET,$(host))))
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rustc-stage1: rustc-stage1-H-$(CFG_BUILD)
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rustc-stage2: rustc-stage2-H-$(CFG_BUILD)
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rustc-stage3: rustc-stage3-H-$(CFG_BUILD)
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rustc: rustc-H-$(CFG_BUILD)
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rustc-H-all: $(foreach host,$(CFG_HOST),rustc-H-$(host))
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######################################################################
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# Entrypoint rule
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######################################################################
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.DEFAULT_GOAL := all
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define ALL_TARGET_N
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ifneq ($$(findstring $(1),$$(CFG_HOST)),)
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# This is a host
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all-target-$(1)-host-$(2): $$(CSREQ2_T_$(1)_H_$(2))
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else
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# This is a target only
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all-target-$(1)-host-$(2): $$(SREQ2_T_$(1)_H_$(2))
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endif
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endef
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$(foreach target,$(CFG_TARGET), \
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$(foreach host,$(CFG_HOST), \
|
|
$(eval $(call ALL_TARGET_N,$(target),$(host)))))
|
|
|
|
ALL_TARGET_RULES = $(foreach target,$(CFG_TARGET), \
|
|
$(foreach host,$(CFG_HOST), \
|
|
all-target-$(target)-host-$(host)))
|
|
|
|
all: $(ALL_TARGET_RULES) $(GENERATED) docs
|
|
|
|
######################################################################
|
|
# Build system documentation
|
|
######################################################################
|
|
|
|
# $(1) is the name of the doc <section> in Makefile.in
|
|
# pick everything between tags | remove first line | remove last line
|
|
# | remove extra (?) line | strip leading `#` from lines
|
|
SHOW_DOCS = $(Q)awk '/<$(1)>/,/<\/$(1)>/' $(S)/Makefile.in | sed '1d' | sed '$$d' | sed 's/^\# \?//'
|
|
|
|
help:
|
|
$(call SHOW_DOCS,help)
|
|
|
|
tips:
|
|
$(call SHOW_DOCS,tips)
|
|
|
|
nitty-gritty:
|
|
$(call SHOW_DOCS,nitty-gritty)
|