mirror of
https://github.com/rust-lang/rust
synced 2024-09-15 22:50:55 +00:00
0b2cfcaab9
Since moving to a downloadable snapshot for stage0, it's been possible to complete the build without compiling code written in ocaml. However, the configure script still required it to be present. This commit changes detection failure to a non-fatal condition, allowing the build to complete on systems without an ocaml compiler. An info message is also made conditional.
198 lines
5.5 KiB
Makefile
198 lines
5.5 KiB
Makefile
######################################################################
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# Residual auto-configuration
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######################################################################
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include config.mk
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MKFILES := Makefile config.mk $(wildcard $(CFG_SRC_DIR)/mk/*.mk)
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ifneq ($(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: building on $(CFG_OSTYPE) $(CFG_CPUTYPE))
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ifdef CFG_DISABLE_OPTIMIZE
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$(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 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 += --time-passes
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endif
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ifdef NO_TYPESTATE
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CFG_RUSTC_FLAGS += --no-typestate
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endif
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# platform-specific auto-configuration
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include $(CFG_SRC_DIR)/mk/platform.mk
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CFG_RUNTIME :=$(call CFG_LIB_NAME,rustrt)
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CFG_RUSTLLVM :=$(call CFG_LIB_NAME,rustllvm)
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CFG_STDLIB :=$(call CFG_LIB_NAME,std)
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ifdef CFG_OCAMLC_OPT
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$(info cfg: have ocaml native compiler)
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OPT=.opt
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else ifdef CFG_OCAMLC
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$(info cfg: have only ocaml bytecode compiler)
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endif
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ifdef CFG_DISABLE_VALGRIND
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$(info cfg: disabling valgrind (CFG_DISABLE_VALGRIND))
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CFG_VALGRIND :=
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endif
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DOCS :=
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ifeq ($(CFG_MAKEINFO),)
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$(info cfg: no makeinfo found, omitting doc/rust.html)
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else
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DOCS += doc/rust.html
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endif
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ifeq ($(CFG_TEXI2PDF),)
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$(info cfg: no texi2pdf found, omitting doc/rust.pdf)
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else
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ifeq ($(CFG_TEX),)
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$(info cfg: no tex found, omitting doc/rust.pdf)
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else
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DOCS += doc/rust.pdf
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endif
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endif
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ifdef CFG_DISABLE_DOCS
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$(info cfg: disabling doc build (CFG_DISABLE_DOCS))
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DOCS :=
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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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# Compilers we build, we now know how to run.
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STAGE0 := $(Q)$(call CFG_RUN_TARG,stage0,\
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stage0/rustc$(X) $(CFG_RUSTC_FLAGS) -L stage1)
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STAGE1 := $(Q)$(call CFG_RUN_TARG,stage1, \
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stage1/rustc$(X) $(CFG_RUSTC_FLAGS) -L stage2)
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STAGE2 := $(Q)$(call CFG_RUN_TARG,stage2, \
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stage2/rustc$(X) $(CFG_RUSTC_FLAGS) -L stage3)
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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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# Standard library variables
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######################################################################
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STDLIB_CRATE := $(S)src/lib/std.rc
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STDLIB_INPUTS := $(wildcard $(addprefix $(S)src/lib/,*.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/comp/rustc.rc
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COMPILER_INPUTS := $(wildcard $(addprefix $(S)src/comp/, \
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rustc.rc *.rs */*.rs))
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######################################################################
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# Main target dependency variables
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######################################################################
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LREQ := rt/$(CFG_RUNTIME) rustllvm/$(CFG_RUSTLLVM)
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SREQ0 := stage0/rustc$(X) $(LREQ) stage1/glue.o stage1/$(CFG_STDLIB)
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SREQ1 := stage1/rustc$(X) $(LREQ) stage2/glue.o stage2/$(CFG_STDLIB)
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SREQ2 := stage2/rustc$(X) $(LREQ) stage3/glue.o stage3/$(CFG_STDLIB)
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######################################################################
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# Exports for sub-utilities
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######################################################################
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export CFG_SRC_DIR
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######################################################################
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# Subprograms
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######################################################################
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LLVM_AS := $(CFG_LLVM_BINDIR)/llvm-as
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######################################################################
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# Single-target rules
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######################################################################
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all: rt/$(CFG_RUNTIME) \
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rustllvm/$(CFG_RUSTLLVM) \
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stage0/$(CFG_STDLIB) \
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stage0/intrinsics.bc \
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stage0/rustc$(X) \
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$(GENERATED) \
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$(DOCS) \
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stage1/$(CFG_STDLIB) \
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stage1/intrinsics.bc \
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stage1/glue.o \
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stage1/rustc$(X) \
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stage2/$(CFG_STDLIB) \
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stage2/intrinsics.bc \
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stage2/glue.o \
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stage2/rustc$(X) \
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stage3/$(CFG_STDLIB) \
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stage3/glue.o \
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stage3/intrinsics.bc \
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stage3/rustc$(X)
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######################################################################
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# Re-configuration
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######################################################################
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config.mk: $(S)configure $(S)Makefile.in
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@$(call E, cfg: reconfiguring)
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$(S)configure $(CFG_CONFIGURE_ARGS)
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######################################################################
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# Additional makefiles
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######################################################################
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include $(CFG_SRC_DIR)/mk/intrinsics.mk
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include $(CFG_SRC_DIR)/mk/stage0.mk
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include $(CFG_SRC_DIR)/mk/stage1.mk
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include $(CFG_SRC_DIR)/mk/stage2.mk
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include $(CFG_SRC_DIR)/mk/stage3.mk
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include $(CFG_SRC_DIR)/mk/rt.mk
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include $(CFG_SRC_DIR)/mk/rustllvm.mk
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include $(CFG_SRC_DIR)/mk/docs.mk
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include $(CFG_SRC_DIR)/mk/tests.mk
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include $(CFG_SRC_DIR)/mk/dist.mk
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include $(CFG_SRC_DIR)/mk/snap.mk
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include $(CFG_SRC_DIR)/mk/clean.mk
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include $(CFG_SRC_DIR)/mk/autodep.mk
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