mirror of
https://github.com/rust-lang/rust
synced 2024-09-15 22:50:55 +00:00
e8493115c5
This should trim some time off "make all" because it doesn't force the stage3 rustc to be built. Even better, we can directly use the cargo out of the build directory because we automatically build the stage2 libcore and libstd.
528 lines
17 KiB
Makefile
528 lines
17 KiB
Makefile
# An explanation of how the build is structured:
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#
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# There are multiple build stages (0-3) needed to verify that the
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# compiler is properly self-hosting. Each stage is divided between
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# 'host' artifacts and 'target' artifacts, where the stageN host
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# compiler builds artifacts for 1 or more stageN target architectures.
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# Once the stageN target compiler has been built for the host
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# architecture it is promoted (copied) to a stageN+1 host artifact.
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#
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# The stage3 host compiler is a compiler that successfully builds
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# itself and should (in theory) be bitwise identical to the stage2
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# host compiler. The process is bootstrapped using a stage0 host
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# compiler downloaded from a previous snapshot.
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#
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# At no time should stageN artifacts be interacting with artifacts
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# from other stages. For consistency, we use the 'promotion' logic
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# for all artifacts, even those that don't make sense on non-host
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# architectures.
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#
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# The directory layout for a stage is intended to match the layout
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# of the installed compiler, and looks like the following:
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#
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# stageN - this is the system root, corresponding to, e.g. /usr
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# bin - binaries compiled for the host
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# lib - libraries used by the host compiler
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# rustc - rustc's own place to organize libraries
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# $(target) - target-specific artifacts
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# bin - binaries for target architectures
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# lib - libraries for target architectures
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#
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# A note about host libraries:
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#
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# The only libraries that get promoted to stageN/lib are those needed
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# by rustc. In general, rust programs, even those compiled for the
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# host architecture will use libraries from the target
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# directories. This gives rust some freedom to experiment with how
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# libraries are managed and versioned without polluting the common
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# areas of the filesystem.
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#
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# General rust binaries may stil live in the host bin directory; they
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# will just link against the libraries in the target lib directory.
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#
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# Admittedly this is a little convoluted.
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STAGES = 0 1 2 3
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######################################################################
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# Residual auto-configuration
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######################################################################
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# Recursive wildcard function
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# http://blog.jgc.org/2011/07/gnu-make-recursive-wildcard-function.html
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rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) \
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$(filter $(subst *,%,$2),$d))
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include config.mk
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MKFILE_DEPS := config.stamp $(call rwildcard,$(CFG_SRC_DIR)mk/,*)
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NON_HOST_TRIPLES = $(filter-out $(CFG_HOST_TRIPLE),$(CFG_TARGET_TRIPLES))
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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: shell host triple $(CFG_HOST_TRIPLE))
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ifneq ($(wildcard $(NON_HOST_TRIPLES)),)
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CFG_INFO := $(info cfg: non host triples $(NON_HOST_TRIPLES))
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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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CFG_RUSTC_FLAGS += -O
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endif
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ifdef CFG_ENABLE_DEBUG
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$(info cfg: enabling more debugging (CFG_ENABLE_DEBUG))
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CFG_RUSTC_FLAGS += -g
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CFG_GCCISH_CFLAGS += -DRUST_DEBUG
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else
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CFG_GCCISH_CFLAGS += -DRUST_NDEBUG
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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 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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# 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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CFG_RUNTIME :=$(call CFG_LIB_NAME,rustrt)
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CFG_RUSTLLVM :=$(call CFG_LIB_NAME,rustllvm)
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CFG_CORELIB :=$(call CFG_LIB_NAME,core)
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CFG_STDLIB :=$(call CFG_LIB_NAME,std)
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CFG_LIBRUSTC :=$(call CFG_LIB_NAME,rustc)
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CFG_LIBSYNTAX :=$(call CFG_LIB_NAME,syntax)
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STDLIB_GLOB :=$(call CFG_LIB_GLOB,std)
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CORELIB_GLOB :=$(call CFG_LIB_GLOB,core)
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LIBRUSTC_GLOB :=$(call CFG_LIB_GLOB,rustc)
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LIBSYNTAX_GLOB :=$(call CFG_LIB_GLOB,syntax)
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STDLIB_DSYM_GLOB :=$(call CFG_LIB_DSYM_GLOB,std)
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CORELIB_DSYM_GLOB :=$(call CFG_LIB_DSYM_GLOB,core)
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LIBRUSTC_DSYM_GLOB :=$(call CFG_LIB_DSYM_GLOB,rustc)
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LIBSYNTAX_DSYM_GLOB :=$(call CFG_LIB_DSYM_GLOB,syntax)
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# version-string calculation
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CFG_GIT_DIR := $(CFG_SRC_DIR).git
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CFG_RELEASE = 0.2
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CFG_VERSION = $(CFG_RELEASE)
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ifneq ($(wildcard $(CFG_GIT)),)
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ifneq ($(wildcard $(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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endif
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endif
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ifdef CFG_DISABLE_VALGRIND
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$(info cfg: disabling valgrind (CFG_DISABLE_VALGRIND))
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CFG_VALGRIND :=
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endif
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ifdef CFG_BAD_VALGRIND
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$(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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ifdef VERBOSE
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Q :=
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E =
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else
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Q := @
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E = echo $(1)
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endif
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S := $(CFG_SRC_DIR)
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X := $(CFG_EXE_SUFFIX)
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# Look in doc and src dirs.
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VPATH := $(S)doc $(S)src
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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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# Core library variables
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######################################################################
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CORELIB_CRATE := $(S)src/libcore/core.rc
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CORELIB_INPUTS := $(wildcard $(addprefix $(S)src/libcore/, \
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core.rc *.rs */*.rs))
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######################################################################
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# Standard library variables
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######################################################################
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STDLIB_CRATE := $(S)src/libstd/std.rc
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STDLIB_INPUTS := $(wildcard $(addprefix $(S)src/libstd/, \
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std.rc *.rs */*.rs))
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######################################################################
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# rustc crate variables
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######################################################################
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COMPILER_CRATE := $(S)src/rustc/rustc.rc
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COMPILER_INPUTS := $(filter-out $(S)src/rustc/driver/rustc.rs, \
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$(wildcard $(addprefix $(S)src/rustc/, \
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rustc.rc *.rs */*.rs */*/*.rs */*/*/*.rs)))
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LIBSYNTAX_CRATE := $(S)src/libsyntax/syntax.rc
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LIBSYNTAX_INPUTS := $(wildcard $(addprefix $(S)src/libsyntax/, \
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syntax.rc *.rs */*.rs */*/*.rs))
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RUSTC_INPUTS := $(S)src/rustc/driver/rustc.rs
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######################################################################
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# LLVM macros
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######################################################################
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# FIXME: x86-ism
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LLVM_COMPONENTS=x86 ipo bitreader bitwriter linker asmparser
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define DEF_LLVM_VARS
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# The configure script defines these variables with the target triples
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# separated by Z. This defines new ones with the expected format.
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CFG_LLVM_BUILD_DIR_$(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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# 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)
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LLVM_MC_$(1):=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-mc$$(X)
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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)
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LLC_$(1)=$$(CFG_LLVM_INST_DIR_$(1))/bin/llc$$(X)
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endef
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$(foreach target,$(CFG_TARGET_TRIPLES), \
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$(eval $(call DEF_LLVM_VARS,$(target))))
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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_HOST_TRIPLE
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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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######################################################################
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# Subprograms
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######################################################################
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######################################################################
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# Per-stage targets and runner
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######################################################################
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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))/$$(CFG_LIBDIR)
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# Destinations of artifacts for target architectures
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TROOT$(1)_T_$(2)_H_$(3) = $$(HLIB$(1)_H_$(3))/rustc/$(2)
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TBIN$(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))/$$(CFG_LIBDIR)
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# The name of the core and standard libraries used by rustc
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ifdef CFG_DISABLE_SHAREDSTD
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HCORELIB_DEFAULT$(1)_H_$(3) = \
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$$(HLIB$(1)_H_$(3))/libcore.rlib
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TCORELIB_DEFAULT$(1)_T_$(2)_H_$(3) = \
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$$(TLIB$(1)_T_$(2)_H_$(3))/libcore.rlib
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HSTDLIB_DEFAULT$(1)_H_$(3) = \
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$$(HLIB$(1)_H_$(3))/libstd.rlib
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TSTDLIB_DEFAULT$(1)_T_$(2)_H_$(3) = \
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$$(TLIB$(1)_T_$(2)_H_$(3))/libstd.rlib
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HLIBRUSTC_DEFAULT$(1)_H_$(3) = \
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$$(HLIB$(1)_H_$(3))/librustc.rlib
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TLIBRUSTC_DEFAULT$(1)_T_$(2)_H_$(3) = \
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$$(TLIB$(1)_T_$(2)_H_$(3))/librustc.rlib
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else
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HCORELIB_DEFAULT$(1)_H_$(3) = \
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$$(HLIB$(1)_H_$(3))/$(CFG_CORELIB)
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TCORELIB_DEFAULT$(1)_T_$(2)_H_$(3) = \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_CORELIB)
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HSTDLIB_DEFAULT$(1)_H_$(3) = \
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$$(HLIB$(1)_H_$(3))/$(CFG_STDLIB)
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TSTDLIB_DEFAULT$(1)_T_$(2)_H_$(3) = \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_STDLIB)
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HLIBRUSTC_DEFAULT$(1)_H_$(3) = \
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$$(HLIB$(1)_H_$(3))/$(CFG_LIBRUSTC)
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TLIBRUSTC_DEFAULT$(1)_T_$(2)_H_$(3) = \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC)
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endif
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# Preqrequisites for using the stageN compiler
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HSREQ$(1)_H_$(3) = \
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$$(HBIN$(1)_H_$(3))/rustc$$(X) \
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$$(HLIB$(1)_H_$(3))/$$(CFG_RUNTIME) \
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$$(HLIB$(1)_H_$(3))/$$(CFG_RUSTLLVM) \
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$$(HCORELIB_DEFAULT$(1)_H_$(3)) \
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$$(HSTDLIB_DEFAULT$(1)_H_$(3)) \
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$$(HLIBRUSTC_DEFAULT$(1)_H_$(3)) \
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$$(MKFILE_DEPS)
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# Prerequisites for using the stageN compiler to build target artifacts
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TSREQ$(1)_T_$(2)_H_$(3) = \
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$$(HSREQ$(1)_H_$(3)) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_RUNTIME) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/libmorestack.a
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# Prerequisites for complete stageN targets
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SREQ$(1)_T_$(2)_H_$(3) = \
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$$(TSREQ$(1)_T_$(2)_H_$(3)) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_CORELIB) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_STDLIB) \
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$$(TLIB$(1)_T_$(2)_H_$(3))/$$(CFG_LIBRUSTC)
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ifeq ($(1),0)
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# Don't run the the stage0 compiler under valgrind - that ship has sailed
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CFG_VALGRIND_COMPILE$(1) =
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else
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CFG_VALGRIND_COMPILE$(1) = $$(CFG_VALGRIND_COMPILE)
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endif
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STAGE$(1)_T_$(2)_H_$(3) := \
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$$(Q)$$(call CFG_RUN_TARG,$(1), \
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$$(CFG_VALGRIND_COMPILE$(1)) \
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$$(HBIN$(1)_H_$(3))/rustc$$(X) \
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$$(CFG_RUSTC_FLAGS) --target=$(2))
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PERF_STAGE$(1)_T_$(2)_H_$(3) := \
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$$(Q)$$(call CFG_RUN_TARG,$(1), \
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$$(CFG_PERF_TOOL) \
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$$(HBIN$(1)_H_$(3))/rustc$$(X) \
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$$(CFG_RUSTC_FLAGS) --target=$(2))
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endef
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$(foreach build,$(CFG_TARGET_TRIPLES), \
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$(eval $(foreach target,$(CFG_TARGET_TRIPLES), \
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$(eval $(foreach stage,$(STAGES), \
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$(eval $(call SREQ,$(stage),$(target),$(build))))))))
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######################################################################
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# rustc-H-targets
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#
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# Builds a functional Rustc for the given host.
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######################################################################
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define DEF_RUSTC_STAGE_TARGET
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# $(1) == architecture
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# $(2) == stage
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rustc-stage$(2)-H-$(1): \
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$$(foreach target,$$(CFG_TARGET_TRIPLES), \
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$$(SREQ$(2)_T_$$(target)_H_$(1)))
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endef
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$(foreach host,$(CFG_TARGET_TRIPLES), \
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$(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_HOST_TRIPLE)
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rustc-stage2: rustc-stage2-H-$(CFG_HOST_TRIPLE)
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rustc-stage3: rustc-stage3-H-$(CFG_HOST_TRIPLE)
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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,$(CFG_TARGET_TRIPLES), \
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$(eval $(call DEF_RUSTC_TARGET,$(host))))
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rustc-stage1: rustc-stage1-H-$(CFG_HOST_TRIPLE)
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rustc-stage2: rustc-stage2-H-$(CFG_HOST_TRIPLE)
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rustc-stage3: rustc-stage3-H-$(CFG_HOST_TRIPLE)
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rustc: rustc-H-$(CFG_HOST_TRIPLE)
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rustc-H-all: $(foreach host,$(CFG_TARGET_TRIPLES),rustc-H-$(host))
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######################################################################
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# Entrypoint rule
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######################################################################
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.DEFAULT_GOAL := all
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ifneq ($(CFG_IN_TRANSITION),)
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CFG_INFO := $(info cfg:)
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CFG_INFO := $(info cfg: *** compiler is in snapshot transition ***)
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CFG_INFO := $(info cfg: *** stage2 and later will not be built ***)
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CFG_INFO := $(info cfg:)
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all: $(SREQ1$(CFG_HOST_TRIPLE)) $(GENERATED) docs
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else
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TSREQS := \
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$(foreach target,$(CFG_TARGET_TRIPLES), \
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$(SREQ3_T_$(target)_H_$(CFG_HOST_TRIPLE)))
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FUZZ := $(HBIN2_H_$(CFG_HOST_TRIPLE))/fuzzer$(X)
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CARGO := $(HBIN2_H_$(CFG_HOST_TRIPLE))/cargo$(X)
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RUSTDOC := $(HBIN2_H_$(CFG_HOST_TRIPLE))/rustdoc$(X)
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all: rustc $(GENERATED) docs $(FUZZ) $(CARGO) $(RUSTDOC)
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endif
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######################################################################
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# Re-configuration
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######################################################################
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ifndef CFG_DISABLE_MANAGE_SUBMODULES
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# This is a pretty expensive operation but I don't see any way to avoid it
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NEED_GIT_RECONFIG=$(shell cd "$(CFG_SRC_DIR)" && "$(CFG_GIT)" submodule status | grep -c '^\(+\|-\)')
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else
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NEED_GIT_RECONFIG=0
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endif
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ifeq ($(NEED_GIT_RECONFIG),0)
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else
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# If the submodules have changed then always execute config.mk
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.PHONY: config.stamp
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endif
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Makefile config.mk: config.stamp
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|
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config.stamp: $(S)configure $(S)Makefile.in $(S)src/snapshots.txt
|
|
@$(call E, cfg: reconfiguring)
|
|
$(Q)$(S)configure $(CFG_CONFIGURE_ARGS)
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|
|
|
|
|
######################################################################
|
|
# Primary-target makefiles
|
|
######################################################################
|
|
|
|
include $(CFG_SRC_DIR)mk/target.mk
|
|
include $(CFG_SRC_DIR)mk/host.mk
|
|
include $(CFG_SRC_DIR)mk/stage0.mk
|
|
include $(CFG_SRC_DIR)mk/rt.mk
|
|
include $(CFG_SRC_DIR)mk/rustllvm.mk
|
|
include $(CFG_SRC_DIR)mk/tools.mk
|
|
include $(CFG_SRC_DIR)mk/docs.mk
|
|
include $(CFG_SRC_DIR)mk/llvm.mk
|
|
|
|
######################################################################
|
|
# Secondary makefiles, conditionalized for speed
|
|
######################################################################
|
|
|
|
ifneq ($(strip $(findstring dist,$(MAKECMDGOALS)) \
|
|
$(findstring check,$(MAKECMDGOALS)) \
|
|
$(findstring test,$(MAKECMDGOALS)) \
|
|
$(findstring tidy,$(MAKECMDGOALS)) \
|
|
$(findstring clean,$(MAKECMDGOALS))),)
|
|
CFG_INFO := $(info cfg: including dist rules)
|
|
include $(CFG_SRC_DIR)mk/dist.mk
|
|
endif
|
|
|
|
ifneq ($(strip $(findstring snap,$(MAKECMDGOALS)) \
|
|
$(findstring clean,$(MAKECMDGOALS))),)
|
|
CFG_INFO := $(info cfg: including snap rules)
|
|
include $(CFG_SRC_DIR)mk/snap.mk
|
|
endif
|
|
|
|
ifneq ($(findstring reformat,$(MAKECMDGOALS)),)
|
|
CFG_INFO := $(info cfg: including reformat rules)
|
|
include $(CFG_SRC_DIR)mk/pp.mk
|
|
endif
|
|
|
|
ifneq ($(strip $(findstring check,$(MAKECMDGOALS)) \
|
|
$(findstring test,$(MAKECMDGOALS)) \
|
|
$(findstring perf,$(MAKECMDGOALS)) \
|
|
$(findstring tidy,$(MAKECMDGOALS))),)
|
|
CFG_INFO := $(info cfg: including test rules)
|
|
include $(CFG_SRC_DIR)mk/tests.mk
|
|
endif
|
|
|
|
ifneq ($(findstring perf,$(MAKECMDGOALS)),)
|
|
CFG_INFO := $(info cfg: including perf rules)
|
|
include $(CFG_SRC_DIR)mk/perf.mk
|
|
endif
|
|
|
|
ifneq ($(findstring clean,$(MAKECMDGOALS)),)
|
|
CFG_INFO := $(info cfg: including clean rules)
|
|
include $(CFG_SRC_DIR)mk/clean.mk
|
|
endif
|
|
|
|
ifneq ($(findstring install,$(MAKECMDGOALS)),)
|
|
ifdef DESTDIR
|
|
CFG_INFO := $(info cfg: setting CFG_PREFIX via DESTDIR, $(DESTDIR))
|
|
CFG_PREFIX:=$(DESTDIR)
|
|
export CFG_PREFIX
|
|
endif
|
|
|
|
CFG_INFO := $(info cfg: including install rules)
|
|
include $(CFG_SRC_DIR)mk/install.mk
|
|
endif
|
|
|
|
ifneq ($(strip $(findstring TAGS.emacs,$(MAKECMDGOALS)) \
|
|
$(findstring TAGS.vi,$(MAKECMDGOALS))),)
|
|
CFG_INFO := $(info cfg: including ctags rules)
|
|
include $(CFG_SRC_DIR)mk/ctags.mk
|
|
endif
|