Makefile.in

######################################################################
# Residual auto-configuration
######################################################################

include config.mk
MKFILES := Makefile config.mk

ifneq ($(MAKE_RESTARTS),)
CFG_INFO := $(info cfg: make restarts: $(MAKE_RESTARTS))
endif

CFG_INFO := $(info cfg: building on $(CFG_OSTYPE) $(CFG_CPUTYPE))

CFG_GCC_CFLAGS := -fno-strict-aliasing
CFG_GCC_LINK_FLAGS :=
CFG_BOOT_FLAGS := $(BOOT_FLAGS)
ifdef CFG_DISABLE_OPTIMIZE
  $(info cfg: disabling rustc optimization (CFG_DISABLE_OPTIMIZE))
  CFG_RUSTC_FLAGS := -nowarn
else
  CFG_RUSTC_FLAGS := -nowarn -O
endif

# On Darwin, we need to run dsymutil so the debugging information ends
# up in the right place.  On other platforms, it automatically gets
# embedded into the executable, so use a no-op command.
CFG_DSYMUTIL := true

ifeq ($(CFG_OSTYPE), FreeBSD)
  CFG_LIB_NAME=lib$(1).so
  CFG_GCC_CFLAGS += -fPIC -march=i686 -I/usr/local/include -O2
  CFG_GCC_LINK_FLAGS += -shared -fPIC -lpthread -lrt
  ifeq ($(CFG_CPUTYPE), x86_64)
    CFG_GCC_CFLAGS += -m32
    CFG_GCC_LINK_FLAGS += -m32
  endif
  CFG_UNIXY := 1
  CFG_LDENV := LD_LIBRARY_PATH
  CFG_DEF_SUFFIX := .bsd.def
endif

ifeq ($(CFG_OSTYPE), Linux)
  CFG_LIB_NAME=lib$(1).so
  CFG_GCC_CFLAGS += -fPIC -march=i686 -O2
  CFG_GCC_LINK_FLAGS += -shared -fPIC -ldl -lpthread -lrt
  CFG_GCC_DEF_FLAG := -Wl,--export-dynamic,--dynamic-list=
  CFG_GCC_PRE_LIB_FLAGS := -Wl,-whole-archive
  CFG_GCC_POST_LIB_FLAGS := -Wl,-no-whole-archive
  ifeq ($(CFG_CPUTYPE), x86_64)
    CFG_GCC_CFLAGS += -m32
    CFG_GCC_LINK_FLAGS += -m32
  endif
  CFG_UNIXY := 1
  CFG_LDENV := LD_LIBRARY_PATH
  CFG_DEF_SUFFIX := .linux.def
endif

ifeq ($(CFG_OSTYPE), Darwin)
  CFG_LIB_NAME=lib$(1).dylib
  CFG_UNIXY := 1
  CFG_LDENV := DYLD_LIBRARY_PATH
  CFG_GCC_LINK_FLAGS += -dynamiclib -lpthread
  CFG_GCC_DEF_FLAG := -Wl,-exported_symbols_list,
  # Darwin has a very blurry notion of "64 bit", and claims it's running
  # "on an i386" when the whole userspace is 64-bit and the compiler
  # emits 64-bit binaries by default. So we just force -m32 here. Smarter
  # approaches welcome!
  #
  # NB: Currently GCC's optimizer breaks rustrt (task-comm-1 hangs) on Darwin.
  CFG_GCC_CFLAGS += -m32 -O0
  CFG_GCC_LINK_FLAGS += -m32
  CFG_DSYMUTIL := dsymutil
  CFG_DEF_SUFFIX := .darwin.def
endif

ifneq ($(findstring MINGW,$(CFG_OSTYPE)),)
  CFG_WINDOWSY := 1
endif

CFG_LDPATH :=$(CFG_BUILD_DIR)/rt
CFG_LDPATH :=$(CFG_LDPATH):$(CFG_BUILD_DIR)/rustllvm
CFG_TESTLIB=$(dir $(firstword $(1))):$(patsubst .%,%,$(suffix $(1)))
CFG_EXE_TESTLIB=$(call CFG_TESTLIB,$(patsubst %.exe,%,$(1)))

ifdef CFG_WINDOWSY
  CFG_INFO := $(info cfg: windows-y environment)

  CFG_EXE_SUFFIX := .exe
  CFG_LIB_NAME=$(1).dll
  CFG_LDPATH :=$(CFG_LDPATH):$(CFG_LLVM_BINDIR)
  CFG_LDPATH :=$(CFG_LDPATH):$$PATH
  CFG_RUN_TEST=PATH="$(CFG_LDPATH):$(call CFG_EXE_TESTLIB,$(1))" $(1)
  CFG_RUN_TARG=PATH="$(CFG_LDPATH)" $(1)

  CFG_PATH_MUNGE := $(strip perl -i.bak -p             \
                           -e 's@\\(\S)@/\1@go;'       \
                           -e 's@^/([a-zA-Z])/@\1:/@o;')
  ifdef CFG_FLEXLINK
    CFG_BOOT_NATIVE := 1
  endif
  CFG_GCC_CFLAGS += -march=i686 -O2
  CFG_GCC_LINK_FLAGS += -shared -fPIC
  CFG_DEF_SUFFIX := .def
endif

ifdef CFG_UNIXY
  CFG_INFO := $(info cfg: unix-y environment)

  CFG_PATH_MUNGE := true
  CFG_EXE_SUFFIX :=
  CFG_LDPATH :=$(CFG_LDPATH):$(CFG_LLVM_LIBDIR)
  CFG_RUN_TARG=$(CFG_LDENV)=$(CFG_LDPATH) $(1)
  CFG_RUN_TEST=\
      $(CFG_LDENV)=$(call CFG_TESTLIB,$(1)):$(CFG_LDPATH) \
      $(CFG_VALGRIND) $(1)

  CFG_BOOT_NATIVE := 1

  ifdef MINGW_CROSS
    CFG_EXE_SUFFIX := .exe
    CFG_LIB_NAME=$(1).dll
    CFG_LDPATH :=$(CFG_LDPATH):$(CFG_LLVM_BINDIR)
    CFG_LDPATH :=$(CFG_LDPATH):$$PATH
    CFG_RUN_TARG=PATH=$(CFG_LDPATH) $(1)
    CFG_RUN_TEST=PATH=$(CFG_LDPATH):$(call CFG_EXE_TESTLIB,$(1)) $(1)

    CFG_INFO := $(info cfg: mingw-cross)
    CFG_GCC_CROSS := i586-mingw32msvc-
    CFG_BOOT_FLAGS += -t win32-x86-pe
    ifdef CFG_VALGRIND
      CFG_VALGRIND += wine
    endif
    CFG_GCC_CFLAGS := -march=i686
    CFG_GCC_LINK_FLAGS := -shared
    ifeq ($(CFG_CPUTYPE), x86_64)
      CFG_GCC_CFLAGS += -m32
      CFG_GCC_LINK_FLAGS += -m32
    endif
  endif
  ifdef CFG_VALGRIND
    CFG_VALGRIND += --leak-check=full \
                    --error-exitcode=1 \
                    --quiet --vex-iropt-level=0 \
                    --suppressions=$(CFG_SRC_DIR)src/etc/x86.supp
  endif
endif

CFG_RUNTIME :=$(call CFG_LIB_NAME,rustrt)
CFG_RUSTLLVM :=$(call CFG_LIB_NAME,rustllvm)
CFG_STDLIB :=$(call CFG_LIB_NAME,std)

ifdef CFG_GCC
  CFG_INFO := $(info cfg: using gcc)
  CFG_GCC_CFLAGS += -Wall -Werror -fno-rtti -fno-exceptions -g
  CFG_GCC_LINK_FLAGS += -g
  CFG_COMPILE_C = $(CFG_GCC_CROSS)g++ $(CFG_GCC_CFLAGS) -c -o $(1) $(2)
  CFG_DEPEND_C = $(CFG_GCC_CROSS)g++ $(CFG_GCC_CFLAGS) -MT "$(1)" -MM $(2)
  CFG_LINK_C = $(CFG_GCC_CROSS)g++ $(CFG_GCC_LINK_FLAGS) -o $(1) \
               $(CFG_GCC_DEF_FLAG)$(3) $(2)
else
  CFG_ERR := $(error please try on a system with gcc)
endif

ifdef CFG_OCAMLC_OPT
  $(info cfg: have ocaml native compiler)
  OPT=.opt
else
  $(info cfg: have only ocaml bytecode compiler)
endif

ifdef CFG_BOOT_PROFILE
  $(info cfg: forcing native bootstrap compiler (CFG_BOOT_PROFILE))
  CFG_BOOT_NATIVE := 1
  CFG_OCAMLOPT_PROFILE_FLAGS := -p
endif

ifdef CFG_BOOT_DEBUG
  $(info cfg: forcing bytecode bootstrap compiler (CFG_BOOT_DEBUG))
  CFG_BOOT_NATIVE :=
endif

ifdef CFG_BOOT_NATIVE
  $(info cfg: building native bootstrap compiler)
else
  $(info cfg: building bytecode bootstrap compiler)
endif

ifdef CFG_DISABLE_VALGRIND
  $(info cfg: disabling valgrind (CFG_DISABLE_VALGRIND))
  CFG_VALGRIND :=
endif

DOCS :=
ifeq ($(CFG_MAKEINFO),)
  $(info cfg: no makeinfo found, omitting doc/rust.html)
else
  DOCS += doc/rust.html
endif

ifeq ($(CFG_TEXI2PDF),)
  $(info cfg: no texi2pdf found, omitting doc/rust.pdf)
else
  ifeq ($(CFG_TEX),)
    $(info cfg: no tex found, omitting doc/rust.pdf)
  else
    DOCS += doc/rust.pdf
  endif
endif

ifdef CFG_DISABLE_DOCS
  $(info cfg: disabling doc build (CFG_DISABLE_DOCS))
  DOCS :=
endif

######################################################################
# Target-and-rule "utility variables"
######################################################################

ifdef VERBOSE
  Q :=
  E =
else
  Q := @
  E = echo $(1)
endif

S := $(CFG_SRC_DIR)
X := $(CFG_EXE_SUFFIX)

# Look in doc and src dirs.
VPATH := $(S)doc $(S)src

# Compilers we build, we now know how to run.
BOOT := $(Q)OCAMLRUNPARAM="b1" boot/rustboot$(X) $(CFG_BOOT_FLAGS) -L boot
STAGE0 := $(Q)$(call CFG_RUN_TARG,\
                stage0/rustc$(X) $(CFG_RUSTC_FLAGS) -L stage0)
STAGE1 := $(Q)$(call CFG_RUN_TARG,\
                stage1/rustc$(X) $(CFG_RUSTC_FLAGS) -L stage1)

# "Source" files we generate in builddir along the way.
GENERATED := boot/fe/lexer.ml boot/version.ml

# Delete the built-in rules.
.SUFFIXES:
%:: %,v
%:: RCS/%,v
%:: RCS/%
%:: s.%
%:: SCCS/s.%

######################################################################
# Bootstrap compiler variables
######################################################################

# We must list them in link order.
# Nobody calculates the link-order DAG automatically, sadly.

BOOT_MLS :=                                              \
    $(addsuffix .ml,                                     \
        boot/version                                     \
        $(addprefix boot/util/, fmt common bits)         \
        $(addprefix boot/driver/, session)               \
        $(addprefix boot/fe/, ast token lexer parser     \
          extfmt pexp item cexp fuzz)                    \
        $(addprefix boot/be/, asm il abi)                \
        $(addprefix boot/me/, walk semant resolve alias  \
          simplify type dead layer typestate             \
         loop layout transutil trans dwarf)              \
        $(addprefix boot/be/, x86 ra pe elf macho)       \
        $(addprefix boot/driver/, lib glue main))        \

BOOT_CMOS := $(BOOT_MLS:.ml=.cmo)
BOOT_CMXS := $(BOOT_MLS:.ml=.cmx)
BOOT_OBJS := $(BOOT_MLS:.ml=.o)
BOOT_CMIS := $(BOOT_MLS:.ml=.cmi)

BS := $(S)src/boot

BOOT_ML_DEP_INCS := -I $(BS)/fe   -I $(BS)/me      \
                    -I $(BS)/be   -I $(BS)/driver  \
                    -I $(BS)/util -I boot

BOOT_ML_INCS    :=  -I boot/fe   -I boot/me      \
                    -I boot/be   -I boot/driver  \
                    -I boot/util -I boot

BOOT_ML_LIBS        := unix.cma  nums.cma  bigarray.cma
BOOT_ML_NATIVE_LIBS := unix.cmxa nums.cmxa bigarray.cmxa
BOOT_OCAMLC_FLAGS   := -g $(BOOT_ML_INCS) -w Ael -warn-error Ael
BOOT_OCAMLOPT_FLAGS := -g $(BOOT_ML_INCS) -w Ael -warn-error Ael

ifdef CFG_FLEXLINK
  BOOT_OCAMLOPT_FLAGS += -cclib -L/usr/lib
endif

######################################################################
# Runtime (C++) library variables
######################################################################

RUNTIME_CS := rt/sync/timer.cpp \
              rt/sync/sync.cpp \
              rt/sync/lock_and_signal.cpp \
              rt/rust.cpp \
              rt/rust_builtin.cpp \
              rt/rust_run_program.cpp \
              rt/rust_crate.cpp \
              rt/rust_crate_cache.cpp \
              rt/rust_crate_reader.cpp \
              rt/rust_comm.cpp \
              rt/rust_dom.cpp \
              rt/rust_task.cpp \
              rt/rust_task_list.cpp \
              rt/rust_proxy.cpp \
              rt/rust_chan.cpp \
              rt/rust_port.cpp \
              rt/rust_upcall.cpp \
              rt/rust_log.cpp \
              rt/rust_message.cpp \
              rt/rust_timer.cpp \
              rt/circular_buffer.cpp \
              rt/isaac/randport.cpp \
              rt/rust_srv.cpp \
              rt/rust_kernel.cpp \
              rt/memory_region.cpp \
              rt/test/rust_test_harness.cpp \
              rt/test/rust_test_runtime.cpp \
              rt/test/rust_test_util.cpp

RUNTIME_HDR := rt/globals.h \
               rt/rust.h \
               rt/rust_dwarf.h \
               rt/rust_internal.h \
               rt/rust_util.h \
               rt/rust_chan.h \
               rt/rust_port.h \
               rt/rust_dom.h \
               rt/rust_task.h \
               rt/rust_task_list.h \
               rt/rust_proxy.h \
               rt/rust_log.h \
               rt/rust_message.h \
               rt/circular_buffer.h \
               rt/util/array_list.h \
               rt/util/indexed_list.h \
               rt/util/synchronized_indexed_list.h \
               rt/util/hash_map.h \
               rt/sync/sync.h \
               rt/sync/timer.h \
               rt/sync/lock_and_signal.h \
               rt/sync/lock_free_queue.h \
               rt/rust_srv.h \
               rt/rust_kernel.h \
               rt/memory_region.h \
               rt/memory.h \
               rt/test/rust_test_harness.h \
               rt/test/rust_test_runtime.h \
               rt/test/rust_test_util.h

RUNTIME_DEF := rt/rustrt$(CFG_DEF_SUFFIX)
RUNTIME_INCS := -I $(S)src/rt/isaac -I $(S)src/rt/uthash
RUNTIME_OBJS := $(RUNTIME_CS:.cpp=.o)
RUNTIME_LIBS := $(CFG_GCC_POST_LIB_FLAGS)

######################################################################
# rustc LLVM-extensions (C++) library variables
######################################################################

RUSTLLVM_LIB_CS := $(addprefix rustllvm/, \
                     MachOObjectFile.cpp Passes.cpp)

RUSTLLVM_OBJS_CS := $(addprefix rustllvm/, RustWrapper.cpp)

RUSTLLVM_HDR := rustllvm/include/llvm-c/Object.h
RUSTLLVM_DEF := rustllvm/rustllvm$(CFG_DEF_SUFFIX)

RUSTLLVM_INCS := -iquote $(CFG_LLVM_INCDIR) \
                 -iquote $(S)src/rustllvm/include
RUSTLLVM_LIB_OBJS := $(RUSTLLVM_LIB_CS:.cpp=.o)
RUSTLLVM_OBJS_OBJS := $(RUSTLLVM_OBJS_CS:.cpp=.o)

######################################################################
# Standard library variables
######################################################################

STDLIB_CRATE := $(S)src/lib/std.rc
STDLIB_INPUTS := $(wildcard $(addprefix $(S)src/lib/,*.rc *.rs */*.rs))

######################################################################
# rustc crate variables
######################################################################

COMPILER_CRATE := $(S)src/comp/rustc.rc
COMPILER_INPUTS := $(wildcard $(addprefix $(S)src/comp/, \
                                rustc.rc *.rs */*.rs))

######################################################################
# Test dependency variables
######################################################################

LREQ := rt/$(CFG_RUNTIME) rustllvm/$(CFG_RUSTLLVM)
BREQ := boot/rustboot$(X) boot/$(CFG_STDLIB)
SREQ0 := stage0/rustc$(X) $(LREQ) stage0/glue.o stage0/$(CFG_STDLIB)
SREQ1 := stage1/rustc$(X) $(LREQ) stage1/glue.o stage1/$(CFG_STDLIB)
SREQ2 := stage2/rustc$(X) $(LREQ) stage2/glue.o stage2/$(CFG_STDLIB)


######################################################################
# Single-target rules
######################################################################

all: boot/rustboot$(X)          \
     boot/$(CFG_STDLIB)         \
     rt/$(CFG_RUNTIME)          \
     rustllvm/$(CFG_RUSTLLVM)   \
     stage0/rustc$(X)           \
     stage0/glue.o              \
     stage0/$(CFG_STDLIB)       \
     $(GENERATED)               \
     $(DOCS)

rt/$(CFG_RUNTIME): $(RUNTIME_OBJS) $(MKFILES) $(RUNTIME_HDR) $(RUNTIME_DEF)
	@$(call E, link: $@)
	$(Q)$(call CFG_LINK_C,$@,$(RUNTIME_LIBS) $(RUNTIME_OBJS),$(RUNTIME_DEF))

# FIXME: Building a .a is a hack so that we build with both older and newer
# versions of LLVM. In newer versions some of the bits of this library are
# already in LLVM itself, so they are skipped.
rustllvm/rustllvmbits.a: $(RUSTLLVM_LIB_OBJS)
	rm -f $@
	ar crs $@ $^

# Note: We pass $(CFG_LLVM_LIBS) twice to fix the windows link since
# it has no -whole-archive.
rustllvm/$(CFG_RUSTLLVM): rustllvm/rustllvmbits.a $(RUSTLLVM_OBJS_OBJS) \
                          $(MKFILES) $(RUSTLLVM_HDR) $(RUSTLLVM_DEF)
	@$(call E, link: $@)
	$(Q)$(call CFG_LINK_C,$@,$(RUSTLLVM_OBJS_OBJS) \
	  $(CFG_GCC_PRE_LIB_FLAGS) $(CFG_LLVM_LIBS) \
          $(CFG_GCC_POST_LIB_FLAGS) rustllvm/rustllvmbits.a \
	  $(CFG_LLVM_LIBS) \
          $(CFG_LLVM_LDFLAGS),$(RUSTLLVM_DEF))

ifdef CFG_BOOT_NATIVE
boot/rustboot$(X): $(BOOT_CMXS) $(MKFILES)
	@$(call E, link: $@)
	$(Q)ocamlopt$(OPT) -o $@ $(BOOT_OCAMLOPT_FLAGS) $(BOOT_ML_NATIVE_LIBS) \
        $(BOOT_CMXS)
else
boot/rustboot$(X): $(BOOT_CMOS) $(MKFILES)
	@$(call E, link: $@)
	$(Q)ocamlc$(OPT) -o $@ $(BOOT_OCAMLC_FLAGS) $(BOOT_ML_LIBS) $(BOOT_CMOS)
endif

boot/version.ml: $(MKFILES)
	@$(call E, git: $@)
	$(Q)(cd $(S) && git log -1 \
      --pretty=format:'let version = "prerelease (%h %ci)";;') >$@ || exit 1



boot/$(CFG_STDLIB): $(STDLIB_CRATE) $(STDLIB_INPUTS) \
                    boot/rustboot$(X) $(MKFILES)
	@$(call E, compile: $@)
	$(BOOT) -shared -o $@ $<

stage0/std.s: $(STDLIB_CRATE) $(STDLIB_INPUTS) stage0/rustc$(X) $(MKFILES)
	@$(call E, compile: $@)
	$(STAGE0) -S -shared -o $@ $<

stage0/$(CFG_STDLIB): stage0/std.o stage0/glue.o
	@$(call E, link: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) stage0/glue.o $(CFG_GCC_LINK_FLAGS) -o $@ $< \
		-Lstage0 -Lrt -lrustrt

stage1/std.s: $(STDLIB_CRATE) $(STDLIB_INPUTS) stage1/rustc$(X) $(MKFILES)
	@$(call E, compile: $@)
	$(STAGE1) -S -shared -o $@ $<

stage1/$(CFG_STDLIB): stage1/std.o stage1/glue.o
	@$(call E, link: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) stage1/glue.o $(CFG_GCC_LINK_FLAGS) -o $@ $< \
		-Lstage1 -Lrt -lrustrt

stage2/std.s: $(STDLIB_CRATE) $(STDLIB_INPUTS) stage2/rustc$(X) $(MKFILES)
	@$(call E, compile: $@)
	$(STAGE2) -S -shared -o $@ $<

stage2/$(CFG_STDLIB): stage2/std.o stage2/glue.o
	@$(call E, link: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) stage2/glue.o $(CFG_GCC_LINK_FLAGS) -o $@ $< \
		-Lstage2 -Lrt -lrustrt



stage0/rustc$(X): $(COMPILER_CRATE) $(COMPILER_INPUTS) $(BREQ)
	@$(call E, compile: $@)
	$(BOOT) -minimal -o $@ $<
	$(Q)chmod 0755 $@

stage1/rustc.s: $(COMPILER_CRATE) $(COMPILER_INPUTS) $(SREQ0)
	@$(call E, compile: $@)
	$(STAGE0) -S -o $@ $<

stage2/rustc.s: $(COMPILER_CRATE) $(COMPILER_INPUTS) $(SREQ1)
	@$(call E, compile: $@)
	$(STAGE1) -S -o $@ $<



stage0/glue.s: stage0/rustc$(X) boot/$(CFG_STDLIB) \
                rustllvm/$(CFG_RUSTLLVM) rt/$(CFG_RUNTIME)
	@$(call E, generate: $@)
	$(STAGE0) -S -o $@ -glue

stage1/glue.s: stage1/rustc$(X) stage0/$(CFG_STDLIB) \
                rustllvm/$(CFG_RUSTLLVM) rt/$(CFG_RUNTIME)
	@$(call E, generate: $@)
	$(STAGE1) -S -o $@ -glue

stage2/glue.s: stage2/rustc$(X) stage1/$(CFG_STDLIB) \
                rustllvm/$(CFG_RUSTLLVM) rt/$(CFG_RUNTIME)
	@$(call E, generate: $@)
	$(STAGE2) -S -o $@ -glue

# Due to make not wanting to run the same implicit rules twice on the same
# rule tree (implicit-rule recursion prevention, see "Chains of Implicit
# Rules" in GNU Make manual) we have to re-state the %.o and %.s patterns here
# for different directories, to handle cases where (say) a test relies on a
# compiler that relies on a .o file.

stage0/%.o: stage0/%.s
	@$(call E, assemble [gcc]: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) -o $@ -c $<

stage1/%.o: stage1/%.s
	@$(call E, assemble [gcc]: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) -o $@ -c $<

stage2/%.o: stage2/%.s
	@$(call E, assemble [gcc]: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) -o $@ -c $<

stage1/%$(X): stage1/%.o  $(SREQ0)
	@$(call E, link [gcc]: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) stage0/glue.o -o $@ $< \
      -Lstage0 -Lrt -lrustrt -lstd -lm
	@# dsymutil sometimes fails or prints a warning, but the
	@# program still runs.  Since it simplifies debugging other
	@# programs, I\'ll live with the noise.
	-$(Q)$(CFG_DSYMUTIL) $@

stage2/%$(X): stage2/%.o  $(SREQ1)
	@$(call E, link [gcc]: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) stage1/glue.o -o $@ $< \
      -Lstage1 -Lrt -lrustrt -lstd -lm
	@# dsymutil sometimes fails or prints a warning, but the
	@# program still runs.  Since it simplifies debugging other
	@# programs, I\'ll live with the noise.
	-$(Q)$(CFG_DSYMUTIL) $@



######################################################################
# Library and boot rules
######################################################################

rt/%.o: rt/%.cpp $(MKFILES)
	@$(call E, compile: $@)
	$(Q)$(call CFG_COMPILE_C, $@, $(RUNTIME_INCS)) $<

rustllvm/%.o: rustllvm/%.cpp $(MKFILES)
	@$(call E, compile: $@)
	$(Q)$(call CFG_COMPILE_C, $@, $(CFG_LLVM_CXXFLAGS) $(RUSTLLVM_INCS)) $<

%.cmo: %.ml $(MKFILES)
	@$(call E, compile: $@)
	$(Q)ocamlc$(OPT) -c -o $@ $(BOOT_OCAMLC_FLAGS) $<

%.cmo: %.cmi $(MKFILES)

%.cmx %.o: %.ml $(MKFILES)
	@$(call E, compile: $@)
	$(Q)ocamlopt$(OPT) -c -o $@ $(BOOT_OCAMLOPT_FLAGS) $<

%.ml: %.mll $(MKFILES)
	@$(call E, lex-gen: $@)
	$(Q)ocamllex$(OPT) -q -o $@ $<


%.linux.def:    %.def.in $(MKFILES)
	@$(call E, def: $@)
	$(Q)echo "{" > $@
	$(Q)sed 's/.$$/&;/' $< >> $@
	$(Q)echo "};" >> $@

%.darwin.def:	%.def.in $(MKFILES)
	@$(call E, def: $@)
	$(Q)sed 's/^./_&/' $< > $@

ifdef CFG_WINDOWSY
%.def:	%.def.in $(MKFILES)
	@$(call E, def: $@)
	$(Q)echo LIBRARY $* > $@
	$(Q)echo EXPORTS >> $@
	$(Q)sed 's/^./    &/' $< >> $@
endif

######################################################################
# Doc rules
######################################################################

doc/version.texi: $(MKFILES) rust.texi
	(cd $(S) && git log -1 \
      --pretty=format:'@macro gitversion%n%h %ci%n@end macro%n') >$@

doc/%.pdf: %.texi doc/version.texi
	texi2pdf -I doc -o $@ --clean $<

doc/%.html: %.texi doc/version.texi
	makeinfo -I doc --html --ifhtml --force --no-split --output=$@ $<

docsnap: doc/rust.pdf
	mv $< doc/rust-$(shell date +"%Y-%m-%d")-snap.pdf


######################################################################
# Testing variables
######################################################################

ALL_TEST_INPUTS = $(wildcard $(S)src/test/*/*.rs   \
                              $(S)src/test/*/*/*.rs \
                              $(S)src/test/*/*.rc)

TEST_XFAILS_BOOT = $(shell grep -l xfail-boot $(ALL_TEST_INPUTS))
TEST_XFAILS_STAGE0 = $(shell grep -l xfail-stage0 $(ALL_TEST_INPUTS))

ifdef MINGW_CROSS
TEST_XFAILS_BOOT += $(S)src/test/run-pass/native-mod.rc
TEST_XFAILS_STAGE0 += $(S)src/test/run-pass/native-mod.rc
endif
ifdef CFG_WINDOWSY
TEST_XFAILS_BOOT += $(S)src/test/run-pass/native-mod.rc
TEST_XFAILS_STAGE0 += $(S)src/test/run-pass/native-mod.rc
endif

BENCH_RS = $(wildcard $(S)src/test/bench/shootout/*.rs) \
            $(wildcard $(S)src/test/bench/99-bottles/*.rs)
RPASS_RC = $(wildcard $(S)src/test/run-pass/*.rc)
RPASS_RS = $(wildcard $(S)src/test/run-pass/*.rs) $(BENCH_RS)
RFAIL_RC = $(wildcard $(S)src/test/run-fail/*.rc)
RFAIL_RS = $(wildcard $(S)src/test/run-fail/*.rs)
CFAIL_RC = $(wildcard $(S)src/test/compile-fail/*.rc)
CFAIL_RS = $(wildcard $(S)src/test/compile-fail/*.rs)

ifdef CHECK_XFAILS
TEST_RPASS_CRATES_BOOT = $(filter $(TEST_XFAILS_BOOT), $(RPASS_RC))
TEST_RPASS_CRATES_STAGE0 = $(filter $(TEST_XFAILS_STAGE0), $(RPASS_RC))
TEST_RPASS_SOURCES_BOOT = $(filter $(TEST_XFAILS_BOOT), $(RPASS_RS))
TEST_RPASS_SOURCES_STAGE0 = $(filter $(TEST_XFAILS_STAGE0), $(RPASS_RS))
else
TEST_RPASS_CRATES_BOOT = $(filter-out $(TEST_XFAILS_BOOT), $(RPASS_RC))
TEST_RPASS_CRATES_STAGE0 = $(filter-out $(TEST_XFAILS_STAGE0), $(RPASS_RC))
TEST_RPASS_SOURCES_BOOT = $(filter-out $(TEST_XFAILS_BOOT), $(RPASS_RS))
TEST_RPASS_SOURCES_STAGE0 = $(filter-out $(TEST_XFAILS_STAGE0), $(RPASS_RS))
endif

TEST_RPASS_EXES_BOOT = \
  $(subst $(S)src/,,$(TEST_RPASS_CRATES_BOOT:.rc=.boot$(X))) \
  $(subst $(S)src/,,$(TEST_RPASS_SOURCES_BOOT:.rs=.boot$(X)))
TEST_RPASS_EXES_STAGE0 = \
  $(subst $(S)src/,,$(TEST_RPASS_CRATES_STAGE0:.rc=.stage0$(X))) \
  $(subst $(S)src/,,$(TEST_RPASS_SOURCES_STAGE0:.rs=.stage0$(X)))

TEST_RPASS_OUTS_BOOT  = \
  $(TEST_RPASS_EXES_BOOT:.boot$(X)=.boot.out)
TEST_RPASS_OUTS_STAGE0 = \
  $(TEST_RPASS_EXES_STAGE0:.stage0$(X)=.stage0.out)

TEST_RPASS_TMPS_BOOT  = \
  $(TEST_RPASS_EXES_BOOT:.boot$(X)=.boot$(X).tmp)
TEST_RPASS_TMPS_STAGE0 = \
  $(TEST_RPASS_EXES_STAGE0:.stage0$(X)=.stage0$(X).tmp)


TEST_RFAIL_CRATES_BOOT = $(filter-out $(TEST_XFAILS_BOOT), $(RFAIL_RC))
TEST_RFAIL_CRATES_STAGE0 = $(filter-out $(TEST_XFAILS_STAGE0), $(RFAIL_RC))
TEST_RFAIL_SOURCES_BOOT = $(filter-out $(TEST_XFAILS_BOOT), $(RFAIL_RS))
TEST_RFAIL_SOURCES_STAGE0 = $(filter-out $(TEST_XFAILS_STAGE0), $(RFAIL_RS))

TEST_RFAIL_EXES_BOOT = \
  $(subst $(S)src/,,$(TEST_RFAIL_CRATES_BOOT:.rc=.boot$(X))) \
  $(subst $(S)src/,,$(TEST_RFAIL_SOURCES_BOOT:.rs=.boot$(X)))
TEST_RFAIL_EXES_STAGE0 = \
  $(subst $(S)src/,,$(TEST_RFAIL_CRATES_STAGE0:.rc=.stage0$(X))) \
  $(subst $(S)src/,,$(TEST_RFAIL_SOURCES_STAGE0:.rs=.stage0$(X)))

TEST_RFAIL_OUTS_BOOT  = \
  $(TEST_RFAIL_EXES_BOOT:.boot$(X)=.boot.out)
TEST_RFAIL_OUTS_STAGE0 = \
  $(TEST_RFAIL_EXES_STAGE0:.stage0$(X)=.stage0.out)

TEST_RFAIL_TMPS_BOOT  = \
  $(TEST_RFAIL_EXES_BOOT:.boot$(X)=.boot$(X).tmp)
TEST_RFAIL_TMPS_STAGE0 = \
  $(TEST_RFAIL_EXES_STAGE0:.stage0$(X)=.stage0$(X).tmp)


TEST_CFAIL_CRATES_BOOT = $(filter-out $(TEST_XFAILS_BOOT), $(CFAIL_RC))
TEST_CFAIL_CRATES_STAGE0 = $(filter-out $(TEST_XFAILS_STAGE0), $(CFAIL_RC))
TEST_CFAIL_SOURCES_BOOT = $(filter-out $(TEST_XFAILS_BOOT), $(CFAIL_RS))
TEST_CFAIL_SOURCES_STAGE0 = $(filter-out $(TEST_XFAILS_STAGE0), $(CFAIL_RS))

TEST_CFAIL_EXES_BOOT = \
  $(subst $(S)src/,,$(TEST_CFAIL_CRATES_BOOT:.rc=.boot$(X))) \
  $(subst $(S)src/,,$(TEST_CFAIL_SOURCES_BOOT:.rs=.boot$(X)))
TEST_CFAIL_EXES_STAGE0 = \
  $(subst $(S)src/,,$(TEST_CFAIL_CRATES_STAGE0:.rc=.stage0$(X))) \
  $(subst $(S)src/,,$(TEST_CFAIL_SOURCES_STAGE0:.rs=.stage0$(X)))

TEST_CFAIL_OUTS_BOOT = \
  $(TEST_CFAIL_EXES_BOOT:.boot$(X)=.boot.out)
TEST_CFAIL_OUTS_STAGE0 = \
  $(TEST_CFAIL_EXES_STAGE0:.stage0$(X)=.stage0.out)

TEST_CFAIL_TMPS_BOOT = \
  $(TEST_CFAIL_EXES_BOOT:.boot$(X)=.boot$(X).tmp)
TEST_CFAIL_TMPS_STAGE0 = \
  $(TEST_CFAIL_EXES_STAGE0:.stage0$(X)=.stage0$(X).tmp)


ALL_TEST_CRATES = $(TEST_CFAIL_CRATES_BOOT) \
                   $(TEST_RFAIL_CRATES_BOOT) \
                   $(TEST_RPASS_CRATES_BOOT) \
                   $(TEST_CFAIL_CRATES_STAGE0) \
                   $(TEST_RFAIL_CRATES_STAGE0) \
                   $(TEST_RPASS_CRATES_STAGE0)

ALL_TEST_SOURCES = $(TEST_CFAIL_SOURCES_BOOT) \
                    $(TEST_RFAIL_SOURCES_BOOT) \
                    $(TEST_RPASS_SOURCES_BOOT) \
                    $(TEST_CFAIL_SOURCES_STAGE0) \
                    $(TEST_RFAIL_SOURCES_STAGE0) \
                    $(TEST_RPASS_SOURCES_STAGE0)

# The test suite currently relies on logging to validate results so
# make sure that logging uses the default configuration
unexport RUST_LOG


check_nocompile: $(TEST_CFAIL_OUTS_BOOT) \
                 $(TEST_CFAIL_OUTS_STAGE0)

check: tidy \
       $(TEST_RPASS_EXES_BOOT) $(TEST_RFAIL_EXES_BOOT) \
       $(TEST_RPASS_OUTS_BOOT) $(TEST_RFAIL_OUTS_BOOT) \
       $(TEST_CFAIL_OUTS_BOOT) \
       $(TEST_RPASS_EXES_STAGE0) $(TEST_RFAIL_EXES_STAGE0) \
       $(TEST_RPASS_OUTS_STAGE0) $(TEST_RFAIL_OUTS_STAGE0) \
       $(TEST_CFAIL_OUTS_STAGE0)


compile-check: tidy \
       $(TEST_RPASS_EXES_BOOT) $(TEST_RFAIL_EXES_BOOT) \
       $(TEST_RPASS_EXES_STAGE0) $(TEST_RFAIL_EXES_STAGE0)


######################################################################
# Testing rules
######################################################################

%.stage0$(X): %.stage0.o  $(SREQ0)
	@$(call E, link [gcc]: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) stage0/glue.o -o $@ $< \
      -Lstage0 -Lrt -lrustrt -lstd -lm
	@# dsymutil sometimes fails or prints a warning, but the
	@# program still runs.  Since it simplifies debugging other
	@# programs, I\'ll live with the noise.
	-$(Q)$(CFG_DSYMUTIL) $@

%.stage1(X): %.stage1.o $(SREQ1)
	@$(call E, link [gcc]: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) stage1/glue.o -o $@ $< \
      -Lstage1 -Lrt -lrustrt -lstd -lm
	@# dsymutil sometimes fails or prints a warning, but the
	@# program still runs.  Since it simplifies debugging other
	@# programs, I\'ll live with the noise.
	-$(Q)$(CFG_DSYMUTIL) $@

%.stage2$(X): %.stage2.o $(SREQ2)
	@$(call E, link [gcc]: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) stage2/glue.o -o $@ $< \
      -Lstage2 -Lrt -lrustrt -lstd -lm
	@# dsymutil sometimes fails or prints a warning, but the
	@# program still runs.  Since it simplifies debugging other
	@# programs, I\'ll live with the noise.
	-$(Q)$(CFG_DSYMUTIL) $@



%.boot$(X): %.rs $(BREQ)
	@$(call E, compile [boot]: $@)
	$(BOOT) -o $@ $<

%.boot$(X): %.rc $(BREQ)
	@$(call E, compile [boot]: $@)
	$(BOOT) -o $@ $<

%.stage0.s: %.rc $(SREQ0)
	@$(call E, compile [stage0]: $@)
	$(STAGE0) -S -o $@ $<

%.stage0.s: %.rs $(SREQ0)
	@$(call E, compile [stage0]: $@)
	$(STAGE0) -S -o $@ $<

%.stage1.s: %.rc $(SREQ1)
	@$(call E, compile [stage1]: $@)
	$(STAGE1) -S -o $@ $<

%.stage1.s: %.rs $(SREQ1)
	@$(call E, compile [stage1]: $@)
	$(STAGE1) -S -o $@ $<

%.stage2.s: %.rc $(SREQ2)
	@$(call E, compile [stage2]: $@)
	$(STAGE2) -S -o $@ $<

%.stage2.s: %.rs $(SREQ2)
	@$(call E, compile [stage2]: $@)
	$(STAGE2) -S -o $@ $<



%.o: %.s
	@$(call E, assemble [llvm]: $@)
	$(Q)gcc $(CFG_GCC_CFLAGS) -o $@ -c $<

# Cancel the implicit .out rule in GNU make.
%.out: %

%.out: %.out.tmp
	$(Q)mv $< $@

test/run-pass/%.out.tmp: test/run-pass/%$(X) rt/$(CFG_RUNTIME)
	$(Q)rm -f $<.tmp
	@$(call E, run: $@)
	$(Q)$(call CFG_RUN_TEST, $<) > $@

test/bench/shootout/%.out.tmp: test/bench/shootout/%$(X) \
                               rt/$(CFG_RUNTIME)
	$(Q)rm -f $<.tmp
	@$(call E, run: $@)
	$(Q)$(call CFG_RUN_TEST, $<) > $@

test/bench/99-bottles/%.out.tmp: test/bench/99-bottles/%$(X) \
                                 rt/$(CFG_RUNTIME)
	$(Q)rm -f $<.tmp
	@$(call E, run: $@)
	$(Q)$(call CFG_RUN_TEST, $<) > $@

test/run-fail/%.out.tmp: test/run-fail/%$(X) \
                         rt/$(CFG_RUNTIME)
	$(Q)rm -f $<.tmp
	@$(call E, run: $@)
	$(Q)grep -q error-pattern $(S)src/test/run-fail/$(basename $*).rs
	$(Q)rm -f $@
	$(Q)$(call CFG_RUN_TEST, $<) >$@ 2>&1 ; X=$$? ; \
      if [ $$X -eq 0 ] ; then exit 1 ; else exit 0 ; fi
	$(Q)grep --text --quiet \
      "$$(grep error-pattern $(S)src/test/run-fail/$(basename $*).rs \
        | cut -d : -f 2- | tr -d '\n\r')" $@

test/compile-fail/%.boot.out.tmp: test/compile-fail/%.rs $(BREQ)
	@$(call E, compile [boot]: $@)
	$(Q)grep -q error-pattern $<
	$(Q)rm -f $@
	$(BOOT) -o $(@:.out=$(X)) $< >$@ 2>&1; test $$? -ne 0
	$(Q)grep --text --quiet \
      "$$(grep error-pattern $< | cut -d : -f 2- | tr -d '\n\r')" $@

test/compile-fail/%.stage0.out.tmp: test/compile-fail/%.rs $(SREQ0)
	@$(call E, compile [stage0]: $@)
	$(Q)grep -q error-pattern $<
	$(Q)rm -f $@
	$(STAGE0) -o $(@:.out=$(X)) $< >$@ 2>&1; test $$? -ne 0
	$(Q)grep --text --quiet \
      "$$(grep error-pattern $< | cut -d : -f 2- | tr -d '\n\r')" $@


######################################################################
# Auto-dependency
######################################################################

ML_DEPFILES := $(BOOT_MLS:%.ml=%.d)
C_DEPFILES := $(RUNTIME_CS:%.cpp=%.d) $(RUSTLLVM_LIB_CS:%.cpp=%.d) \
              $(RUSTLLVM_OBJS_CS:%.cpp=%.d)

rt/%.d: rt/%.cpp $(MKFILES)
	@$(call E, dep: $@)
	$(Q)$(call CFG_DEPEND_C, $@ \
      $(subst $(S)src/,,$(patsubst %.cpp, %.o, $<)), \
      $(RUNTIME_INCS)) $< >$@.tmp
	$(Q)$(CFG_PATH_MUNGE) $@.tmp
	$(Q)rm -f $@.tmp.bak
	$(Q)mv $@.tmp $@

rustllvm/%.d: rustllvm/%.cpp $(MKFILES)
	@$(call E, dep: $@)
	$(Q)$(call CFG_DEPEND_C, $@ \
      $(subst $(S)src/,,$(patsubst %.cpp, %.o, $<)), \
      $(CFG_LLVM_CXXFLAGS) $(RUSTLLVM_INCS)) $< >$@.tmp
	$(Q)$(CFG_PATH_MUNGE) $@.tmp
	$(Q)rm -f $@.tmp.bak
	$(Q)mv $@.tmp $@

%.d: %.ml $(MKFILES)
	@$(call E, dep: $@)
	$(Q)ocamldep$(OPT) -slash $(BOOT_ML_DEP_INCS) $< >$@.tmp
	$(Q)$(CFG_PATH_MUNGE) $@.tmp
	$(Q)rm -f $@.tmp.bak
	$(Q)perl -i.bak -pe "s@$(S)src/@@go" $@.tmp
	$(Q)rm -f $@.tmp.bak
	$(Q)mv $@.tmp $@

%.d: %.mli $(MKFILES)
	@$(call E, dep: $@)
	$(Q)ocamldep$(OPT) -slash $(BOOT_ML_DEP_INCS) $< >$@.tmp
	$(Q)$(CFG_PATH_MUNGE) $@.tmp
	$(Q)rm -f $@.tmp.bak
	$(Q)perl -i.bak -pe "s@$(S)src/@@go" $@.tmp
	$(Q)rm -f $@.tmp.bak
	$(Q)mv $@.tmp $@

ifneq ($(MAKECMDGOALS),clean)
-include $(ML_DEPFILES) $(C_DEPFILES)
endif

RUSTBOOT_PROBE := $(wildcard boot/rustboot$(X))

ifneq ($(RUSTBOOT_PROBE),)
CFG_INFO := $(info cfg: using built boot/rustboot$(X) for rust deps)
CRATE_DEPFILES := $(subst $(S)src/,,$(ALL_TEST_CRATES:%.rc=%.d)) \
                  boot/$(CFG_STDLIB).d \
                  stage0/rustc$(X).d \
                  stage0/$(CFG_STDLIB).d

boot/$(CFG_STDLIB).d: $(STDLIB_CRATE) $(STDLIB_INPUTS) \
                      $(MKFILES) boot/rustboot$(X)
	@$(call E, dep: $@)
	$(BOOT) -o $(patsubst %.d,%$(X),$@) -shared -rdeps $< >$@.tmp
	$(Q)$(CFG_PATH_MUNGE) $@.tmp
	$(Q)rm -f $@.tmp.bak
	$(Q)mv $@.tmp $@

stage0/rustc$(X).d: $(COMPILER_CRATE) $(COMPILER_INPUTS) \
                    $(STDLIB_CRATE) $(MKFILES) boot/rustboot$(X)
	@$(call E, dep: $@)
	$(BOOT) -o $(patsubst %.d,%$(X),$@) -shared -rdeps $< >$@.tmp
	$(Q)$(CFG_PATH_MUNGE) $@.tmp
	$(Q)rm -f $@.tmp.bak
	$(Q)mv $@.tmp $@

%.d: %.rc $(MKFILES) boot/rustboot$(X)
	@$(call E, dep: $@)
	$(BOOT)  -o $(patsubst %.d,%$(X),$@) -rdeps $< >$@.tmp
	$(Q)$(CFG_PATH_MUNGE) $@.tmp
	$(Q)rm -f $@.tmp.bak
	$(Q)mv $@.tmp $@

ifneq ($(MAKECMDGOALS),clean)
-include $(CRATE_DEPFILES)
endif
endif

depend: boot/rustboot$(X) $(CRATE_DEPFILES) $(ML_DEPFILES) $(C_DEPFILES)


######################################################################
# Re-configuration
######################################################################

config.mk: $(S)configure $(S)Makefile.in
	@$(call E, cfg: reconfiguring)
	$(S)configure $(CFG_CONFIGURE_ARGS)


######################################################################
# Distribution
######################################################################

PKG_NAME := rust
PKG_VER  = $(shell date +"%Y-%m-%d")-snap
PKG_DIR = $(PKG_NAME)-$(PKG_VER)
PKG_TAR = $(PKG_DIR).tar.gz

PKG_3RDPARTY := rt/valgrind.h rt/memcheck.h \
                rt/isaac/rand.h rt/isaac/standard.h \
                rt/uthash/uthash.h rt/uthash/utlist.h \
                rt/bigint/bigint.h rt/bigint/bigint_int.cpp \
                rt/bigint/bigint_ext.cpp rt/bigint/low_primes.h

PKG_FILES = \
    $(wildcard $(S)src/etc/*.*)                \
    $(S)LICENSE.txt $(S)README                 \
    $(S)configure $(S)Makefile.in              \
    $(addprefix $(S)src/,                      \
      README boot/README comp/README           \
      $(filter-out $(GENERATED), $(BOOT_MLS))  \
      $(RUNTIME_CS) $(RUNTIME_HDR)             \
      $(RUSTLLVM_LIB_CS) $(RUSTLLVM_OBJS_CS)   \
      $(RUSTLLVM_HDR)                          \
      $(PKG_3RDPARTY))                         \
    $(GENERATED)                               \
    $(S)src/boot/fe/lexer.ml                   \
    $(COMPILER_INPUTS)                         \
    $(STDLIB_INPUTS)                           \
    $(ALL_TEST_INPUTS)                         \
    $(GENERATED)

dist: $(PKG_TAR)

$(PKG_TAR): $(GENERATED)
	@$(call E, making dist dir)
	$(Q)rm -Rf dist
	$(Q)mkdir -p dist/$(PKG_DIR)
	$(Q)tar -c $(PKG_FILES) | tar -x -C dist/$(PKG_DIR)
	$(Q)tar -czf $(PKG_TAR) -C dist $(PKG_DIR)
	$(Q)rm -Rf dist

distcheck: $(PKG_TAR)
	$(Q)rm -Rf dist
	$(Q)mkdir -p dist
	@$(call E, unpacking $(PKG_TAR) in dist/$(PKG_DIR))
	$(Q)cd dist && tar -xzf ../$(PKG_TAR)
	@$(call E, configuring in dist/$(PKG_DIR)-build)
	$(Q)mkdir -p dist/$(PKG_DIR)-build
	$(Q)cd dist/$(PKG_DIR)-build && ../$(PKG_DIR)/configure
	@$(call E, making 'check' in dist/$(PKG_DIR)-build)
	$(Q)make -C dist/$(PKG_DIR)-build check
	@$(call E, making 'clean' in dist/$(PKG_DIR)-build)
	$(Q)make -C dist/$(PKG_DIR)-build clean
	$(Q)rm -Rf dist
	@echo
	@echo -----------------------------------------------
	@echo $(PKG_TAR) ready for distribution
	@echo -----------------------------------------------


######################################################################
# Cleanup
######################################################################

.PHONY: clean

tidy:
	@$(call E, check: formatting)
	$(Q)echo \
      $(filter-out $(GENERATED) $(addprefix $(S)src/, $(GENERATED)) \
        $(addprefix $(S)src/, $(RUSTLLVM_LIB_CS) $(RUSTLLVM_OBJS_CS) \
          $(RUSTLLVM_HDR) $(PKG_3RDPARTY)) \
        $(S)src/etc/%, $(PKG_FILES)) \
    | xargs -n 10 python $(S)src/etc/tidy.py

clean:
	@$(call E, cleaning)
	$(Q)rm -f $(RUNTIME_OBJS) $(RUNTIME_DEF)
	$(Q)rm -f $(RUSTLLVM_LIB_OBJS) $(RUSTLLVM_OBJS_OBJS) $(RUSTLLVM_DEF)
	$(Q)rm -f $(BOOT_CMOS) $(BOOT_CMIS) $(BOOT_CMXS) $(BOOT_OBJS)
	$(Q)rm -f $(ML_DEPFILES) $(C_DEPFILES) $(CRATE_DEPFILES)
	$(Q)rm -f $(ML_DEPFILES:%.d=%.d.tmp)
	$(Q)rm -f $(C_DEPFILES:%.d=%.d.tmp)
	$(Q)rm -f $(CRATE_DEPFILES:%.d=%.d.tmp)
	$(Q)rm -f $(GENERATED)
	$(Q)rm -f boot/rustboot$(X) boot/$(CFG_STDLIB)
	$(Q)rm -f stage0/rustc$(X) stage0/$(CFG_STDLIB) stage0/glue*
	$(Q)rm -f stage1/rustc$(X) stage1/$(CFG_STDLIB) stage1/glue*
	$(Q)rm -f stage2/rustc$(X) stage2/$(CFG_STDLIB) stage2/glue*
	$(Q)rm -f rustllvm/$(CFG_RUSTLLVM) rt/$(CFG_RUNTIME)
	$(Q)rm -Rf $(PKG_NAME)-*.tar.gz dist
	$(Q)rm -f $(foreach ext,cmx cmi cmo cma bc o a d exe,\
                        $(wildcard boot/*/*.$(ext) boot/*/*/*.$(ext)))
	$(Q)rm -f $(foreach ext,o a d bc s exe,$(wildcard stage*/*.$(ext)))
	$(Q)rm -Rf $(foreach ext,out out.tmp                               \
                             boot$(X) stage0$(X) stage1$(X) stage2$(X) \
                             bc o s exe dSYM,                          \
                        $(wildcard test/*/*.$(ext) test/bench/*/*.$(ext)))
	$(Q)rm -Rf $(foreach ext, \
                 aux cp fn ky log pdf html pg toc tp vr cps, \
                 $(wildcard doc/*.$(ext)))
	$(Q)rm -Rf doc/version.texi