# Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT # file at the top-level directory of this distribution and at # http://rust-lang.org/COPYRIGHT. # # Licensed under the Apache License, Version 2.0 or the MIT license # , at your # option. This file may not be copied, modified, or distributed # except according to those terms. ###################################################################### # Version numbers and strings ###################################################################### # The version number CFG_RELEASE_NUM=1.10.0 # An optional number to put after the label, e.g. '.2' -> '-beta.2' # NB Make sure it starts with a dot to conform to semver pre-release # versions (section 9) CFG_PRERELEASE_VERSION=.1 # Append a version-dependent hash to each library, so we can install different # versions in the same place CFG_FILENAME_EXTRA=$(shell printf '%s' $(CFG_RELEASE)$(CFG_EXTRA_FILENAME) | $(CFG_HASH_COMMAND)) # A magic value that allows the compiler to use unstable features during the # bootstrap even when doing so would normally be an error because of feature # staging or because the build turns on warnings-as-errors and unstable features # default to warnings. The build has to match this key in an env var. # # This value is keyed off the release to ensure that all compilers for one # particular release have the same bootstrap key. Note that this is # intentionally not "secure" by any definition, this is largely just a deterrent # from users enabling unstable features on the stable compiler. CFG_BOOTSTRAP_KEY=$(CFG_FILENAME_EXTRA) # The stage0 compiler needs to use the previous key recorded in src/stage0.txt, # except for local-rebuild when it just uses the same current key. ifdef CFG_ENABLE_LOCAL_REBUILD CFG_BOOTSTRAP_KEY_STAGE0=$(CFG_BOOTSTRAP_KEY) else CFG_BOOTSTRAP_KEY_STAGE0=$(shell grep 'rustc_key' $(S)src/stage0.txt | sed 's/rustc_key: '//) endif ifeq ($(CFG_RELEASE_CHANNEL),stable) # This is the normal semver version string, e.g. "0.12.0", "0.12.0-nightly" CFG_RELEASE=$(CFG_RELEASE_NUM) # This is the string used in dist artifact file names, e.g. "0.12.0", "nightly" CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM) CFG_DISABLE_UNSTABLE_FEATURES=1 endif ifeq ($(CFG_RELEASE_CHANNEL),beta) CFG_RELEASE=$(CFG_RELEASE_NUM)-beta$(CFG_PRERELEASE_VERSION) # When building beta distributables just reuse the same "beta" name # so when we upload we'll always override the previous beta. This # doesn't actually impact the version reported by rustc - it's just # for file naming. CFG_PACKAGE_VERS=beta CFG_DISABLE_UNSTABLE_FEATURES=1 endif ifeq ($(CFG_RELEASE_CHANNEL),nightly) CFG_RELEASE=$(CFG_RELEASE_NUM)-nightly # When building nightly distributables just reuse the same "nightly" name # so when we upload we'll always override the previous nighly. This # doesn't actually impact the version reported by rustc - it's just # for file naming. CFG_PACKAGE_VERS=nightly endif ifeq ($(CFG_RELEASE_CHANNEL),dev) CFG_RELEASE=$(CFG_RELEASE_NUM)-dev CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM)-dev endif # The name of the package to use for creating tarballs, installers etc. CFG_PACKAGE_NAME=rustc-$(CFG_PACKAGE_VERS) # The version string plus commit information - this is what rustc reports CFG_VERSION = $(CFG_RELEASE) CFG_GIT_DIR := $(CFG_SRC_DIR).git # since $(CFG_GIT) may contain spaces (especially on Windows), # we need to escape them. (" " to r"\ ") # Note that $(subst ...) ignores space after `subst`, # so we use a hack: define $(SPACE) which contains space character. SPACE := SPACE += ifneq ($(CFG_GIT),) ifneq ($(wildcard $(subst $(SPACE),\$(SPACE),$(CFG_GIT_DIR))),) CFG_VER_DATE = $(shell git --git-dir='$(CFG_GIT_DIR)' log -1 --date=short --pretty=format:'%cd') CFG_VER_HASH = $(shell git --git-dir='$(CFG_GIT_DIR)' rev-parse HEAD) CFG_SHORT_VER_HASH = $(shell git --git-dir='$(CFG_GIT_DIR)' rev-parse --short=9 HEAD) CFG_VERSION += ($(CFG_SHORT_VER_HASH) $(CFG_VER_DATE)) endif endif # Windows exe's need numeric versions - don't use anything but # numbers and dots here CFG_VERSION_WIN = $(CFG_RELEASE_NUM) CFG_INFO := $(info cfg: version $(CFG_VERSION)) ###################################################################### # More configuration ###################################################################### MKFILE_DEPS := config.stamp $(call rwildcard,$(CFG_SRC_DIR)mk/,*) MKFILES_FOR_TARBALL:=$(MKFILE_DEPS) ifneq ($(NO_MKFILE_DEPS),) MKFILE_DEPS := endif NON_BUILD_HOST = $(filter-out $(CFG_BUILD),$(CFG_HOST)) NON_BUILD_TARGET = $(filter-out $(CFG_BUILD),$(CFG_TARGET)) ifneq ($(MAKE_RESTARTS),) CFG_INFO := $(info cfg: make restarts: $(MAKE_RESTARTS)) endif CFG_INFO := $(info cfg: build triple $(CFG_BUILD)) CFG_INFO := $(info cfg: host triples $(CFG_HOST)) CFG_INFO := $(info cfg: target triples $(CFG_TARGET)) ifneq ($(wildcard $(NON_BUILD_HOST)),) CFG_INFO := $(info cfg: non-build host triples $(NON_BUILD_HOST)) endif ifneq ($(wildcard $(NON_BUILD_TARGET)),) CFG_INFO := $(info cfg: non-build target triples $(NON_BUILD_TARGET)) endif CFG_RUSTC_FLAGS := $(RUSTFLAGS) CFG_GCCISH_CFLAGS := CFG_GCCISH_LINK_FLAGS := CFG_JEMALLOC_FLAGS := ifdef CFG_DISABLE_OPTIMIZE $(info cfg: disabling rustc optimization (CFG_DISABLE_OPTIMIZE)) CFG_RUSTC_FLAGS += CFG_JEMALLOC_FLAGS += --enable-debug else # The rtopt cfg turns off runtime sanity checks CFG_RUSTC_FLAGS += -O --cfg rtopt endif CFG_JEMALLOC_FLAGS += $(JEMALLOC_FLAGS) ifdef CFG_ENABLE_DEBUG_ASSERTIONS $(info cfg: enabling debug assertions (CFG_ENABLE_DEBUG_ASSERTIONS)) CFG_RUSTC_FLAGS += -C debug-assertions=on endif ifdef CFG_ENABLE_DEBUGINFO $(info cfg: enabling debuginfo (CFG_ENABLE_DEBUGINFO)) CFG_RUSTC_FLAGS += -g endif ifdef CFG_ENABLE_ORBIT $(info cfg: launching MIR (CFG_ENABLE_ORBIT)) CFG_RUSTC_FLAGS += -Z orbit endif ifdef SAVE_TEMPS CFG_RUSTC_FLAGS += --save-temps endif ifdef ASM_COMMENTS CFG_RUSTC_FLAGS += -Z asm-comments endif ifdef TIME_PASSES CFG_RUSTC_FLAGS += -Z time-passes endif ifdef TIME_LLVM_PASSES CFG_RUSTC_FLAGS += -Z time-llvm-passes endif ifdef TRACE CFG_RUSTC_FLAGS += -Z trace endif ifndef CFG_DISABLE_RPATH CFG_RUSTC_FLAGS += -C rpath endif # The executables crated during this compilation process have no need to include # static copies of libstd and libextra. We also generate dynamic versions of all # libraries, so in the interest of space, prefer dynamic linking throughout the # compilation process. # # Note though that these flags are omitted for the *bins* in stage2+. This means # that the snapshot will be generated with a statically linked rustc so we only # have to worry about the distribution of one file (with its native dynamic # dependencies) RUSTFLAGS_STAGE0 += -C prefer-dynamic -C no-stack-check RUSTFLAGS_STAGE1 += -C prefer-dynamic RUST_LIB_FLAGS_ST2 += -C prefer-dynamic RUST_LIB_FLAGS_ST3 += -C prefer-dynamic # Landing pads require a lot of codegen. We can get through bootstrapping faster # by not emitting them. ifdef CFG_DISABLE_STAGE0_LANDING_PADS RUSTFLAGS_STAGE0 += -Z no-landing-pads endif # platform-specific auto-configuration include $(CFG_SRC_DIR)mk/platform.mk # Run the stage1/2 compilers under valgrind ifdef VALGRIND_COMPILE CFG_VALGRIND_COMPILE := $(CFG_VALGRIND) else CFG_VALGRIND_COMPILE := endif ifndef CFG_DISABLE_VALGRIND_RPASS $(info cfg: enabling valgrind run-pass tests (CFG_ENABLE_VALGRIND_RPASS)) $(info cfg: valgrind-rpass command set to $(CFG_VALGRIND)) CFG_VALGRIND_RPASS :=$(CFG_VALGRIND) else $(info cfg: disabling valgrind run-pass tests) CFG_VALGRIND_RPASS := endif ifdef CFG_ENABLE_VALGRIND $(info cfg: enabling valgrind (CFG_ENABLE_VALGRIND)) CFG_JEMALLOC_FLAGS += --enable-valgrind else CFG_VALGRIND := endif ###################################################################### # Target-and-rule "utility variables" ###################################################################### define DEF_FOR_TARGET X_$(1) := $(CFG_EXE_SUFFIX_$(1)) ifndef CFG_LLVM_TARGET_$(1) CFG_LLVM_TARGET_$(1) := $(1) endif endef $(foreach target,$(CFG_TARGET), \ $(eval $(call DEF_FOR_TARGET,$(target)))) # "Source" files we generate in builddir along the way. GENERATED := # Delete the built-in rules. .SUFFIXES: %:: %,v %:: RCS/%,v %:: RCS/% %:: s.% %:: SCCS/s.% ###################################################################### # Cleaning out old crates ###################################################################### # $(1) is the path for directory to match against # $(2) is the glob to use in the match # # Note that a common bug is to accidentally construct the glob denoted # by $(2) with a space character prefix, which invalidates the # construction $(1)$(2). define CHECK_FOR_OLD_GLOB_MATCHES $(Q)MATCHES="$(wildcard $(1))"; if [ -n "$$MATCHES" ] ; then echo "warning: there are previous" \'$(notdir $(2))\' "libraries:" $$MATCHES; fi endef # Same interface as above, but deletes rather than just listing the files. ifdef VERBOSE define REMOVE_ALL_OLD_GLOB_MATCHES $(Q)MATCHES="$(wildcard $(1))"; if [ -n "$$MATCHES" ] ; then echo "warning: removing previous" \'$(notdir $(1))\' "libraries:" $$MATCHES; rm $$MATCHES ; fi endef else define REMOVE_ALL_OLD_GLOB_MATCHES $(Q)MATCHES="$(wildcard $(1))"; if [ -n "$$MATCHES" ] ; then rm $$MATCHES ; fi endef endif # We use a different strategy for LIST_ALL_OLD_GLOB_MATCHES_EXCEPT # than in the macros above because it needs the result of running the # `ls` command after other rules in the command list have run; the # macro-expander for $(wildcard ...) would deliver its results too # soon. (This is in contrast to the macros above, which are meant to # be run at the outset of a command list in a rule.) ifdef VERBOSE define LIST_ALL_OLD_GLOB_MATCHES @echo "info: now are following matches for" '$(notdir $(1))' "libraries:" @( ls $(1) 2>/dev/null || true ) endef else define LIST_ALL_OLD_GLOB_MATCHES endef endif ###################################################################### # LLVM macros ###################################################################### LLVM_OPTIONAL_COMPONENTS=x86 arm aarch64 mips powerpc pnacl LLVM_REQUIRED_COMPONENTS=ipo bitreader bitwriter linker asmparser mcjit \ interpreter instrumentation ifneq ($(CFG_LLVM_ROOT),) # Ensure we only try to link targets that the installed LLVM actually has: LLVM_COMPONENTS := $(filter $(shell $(CFG_LLVM_ROOT)/bin/llvm-config$(X_$(CFG_BUILD)) --components),\ $(LLVM_OPTIONAL_COMPONENTS)) $(LLVM_REQUIRED_COMPONENTS) else LLVM_COMPONENTS := $(LLVM_OPTIONAL_COMPONENTS) $(LLVM_REQUIRED_COMPONENTS) endif # Only build these LLVM tools LLVM_TOOLS=bugpoint llc llvm-ar llvm-as llvm-dis llvm-mc opt llvm-extract define DEF_LLVM_VARS # The configure script defines these variables with the target triples # separated by Z. This defines new ones with the expected format. ifeq ($$(CFG_LLVM_ROOT),) CFG_LLVM_BUILD_DIR_$(1):=$$(CFG_LLVM_BUILD_DIR_$(subst -,_,$(1))) CFG_LLVM_INST_DIR_$(1):=$$(CFG_LLVM_INST_DIR_$(subst -,_,$(1))) else CFG_LLVM_INST_DIR_$(1):=$$(CFG_LLVM_ROOT) endif # Any rules that depend on LLVM should depend on LLVM_CONFIG LLVM_CONFIG_$(1):=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-config$$(X_$(1)) LLVM_MC_$(1):=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-mc$$(X_$(1)) LLVM_AR_$(1):=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-ar$$(X_$(1)) LLVM_VERSION_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --version) LLVM_BINDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --bindir) LLVM_INCDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --includedir) LLVM_LIBDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --libdir) LLVM_LIBDIR_RUSTFLAGS_$(1)=-L native="$$(LLVM_LIBDIR_$(1))" LLVM_LDFLAGS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --ldflags) ifeq ($$(findstring freebsd,$(1)),freebsd) # On FreeBSD, it may search wrong headers (that are for pre-installed LLVM), # so we replace -I with -iquote to ensure that it searches bundled LLVM first. LLVM_CXXFLAGS_$(1)=$$(subst -I, -iquote , $$(shell "$$(LLVM_CONFIG_$(1))" --cxxflags)) else LLVM_CXXFLAGS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --cxxflags) endif LLVM_HOST_TRIPLE_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --host-target) LLVM_AS_$(1)=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-as$$(X_$(1)) LLC_$(1)=$$(CFG_LLVM_INST_DIR_$(1))/bin/llc$$(X_$(1)) LLVM_ALL_COMPONENTS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --components) endef $(foreach host,$(CFG_HOST), \ $(eval $(call DEF_LLVM_VARS,$(host)))) ###################################################################### # Exports for sub-utilities ###################################################################### # Note that any variable that re-configure should pick up needs to be # exported export CFG_SRC_DIR export CFG_SRC_DIR_RELATIVE export CFG_BUILD_DIR ifdef CFG_VER_DATE export CFG_VER_DATE endif ifdef CFG_VER_HASH export CFG_VER_HASH endif export CFG_VERSION export CFG_VERSION_WIN export CFG_RELEASE export CFG_PACKAGE_NAME export CFG_BUILD export CFG_RELEASE_CHANNEL export CFG_LLVM_ROOT export CFG_PREFIX export CFG_LIBDIR export CFG_LIBDIR_RELATIVE export CFG_DISABLE_INJECT_STD_VERSION ifdef CFG_DISABLE_UNSTABLE_FEATURES CFG_INFO := $(info cfg: disabling unstable features (CFG_DISABLE_UNSTABLE_FEATURES)) # Turn on feature-staging export CFG_DISABLE_UNSTABLE_FEATURES # Subvert unstable feature lints to do the self-build export RUSTC_BOOTSTRAP_KEY:=$(CFG_BOOTSTRAP_KEY) endif export CFG_BOOTSTRAP_KEY ifdef CFG_MUSL_ROOT export CFG_MUSL_ROOT endif ###################################################################### # Per-stage targets and runner ###################################################################### # Valid setting-strings are 'all', 'none', 'gdb', 'lldb' # This 'function' will determine which debugger scripts to copy based on a # target triple. See debuggers.mk for more information. TRIPLE_TO_DEBUGGER_SCRIPT_SETTING=\ $(if $(findstring windows-msvc,$(1)),none,all) STAGES = 0 1 2 3 define SREQ # $(1) is the stage number # $(2) is the target triple # $(3) is the host triple # Destinations of artifacts for the host compiler HROOT$(1)_H_$(3) = $(3)/stage$(1) HBIN$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/bin ifeq ($$(CFG_WINDOWSY_$(3)),1) # On Windows we always store host runtime libraries in the 'bin' directory because # there's no rpath. Target libraries go under $CFG_LIBDIR_RELATIVE (usually 'lib'). HLIB_RELATIVE$(1)_H_$(3) = bin TROOT$(1)_T_$(2)_H_$(3) = $$(HROOT$(1)_H_$(3))/$$(CFG_LIBDIR_RELATIVE)/rustlib/$(2) # Remove the next 3 lines after a snapshot ifeq ($(1),0) RUSTFLAGS_STAGE0 += -L $$(TROOT$(1)_T_$(2)_H_$(3))/lib endif else ifeq ($(1),0) HLIB_RELATIVE$(1)_H_$(3) = lib else HLIB_RELATIVE$(1)_H_$(3) = $$(CFG_LIBDIR_RELATIVE) endif TROOT$(1)_T_$(2)_H_$(3) = $$(HLIB$(1)_H_$(3))/rustlib/$(2) endif HLIB$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/$$(HLIB_RELATIVE$(1)_H_$(3)) # Destinations of artifacts for target architectures TBIN$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/bin TLIB$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/lib # Preqrequisites for using the stageN compiler ifeq ($(1),0) HSREQ$(1)_H_$(3) = $$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) else HSREQ$(1)_H_$(3) = \ $$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) \ $$(MKFILE_DEPS) \ tmp/install-debugger-scripts$(1)_H_$(3)-$$(call TRIPLE_TO_DEBUGGER_SCRIPT_SETTING,$(3)).done endif # Prerequisites for using the stageN compiler to build target artifacts TSREQ$(1)_T_$(2)_H_$(3) = \ $$(HSREQ$(1)_H_$(3)) \ $$(foreach obj,$$(REQUIRED_OBJECTS_$(2)),\ $$(TLIB$(1)_T_$(2)_H_$(3))/$$(obj)) # Prerequisites for a working stageN compiler and libraries, for a specific # target SREQ$(1)_T_$(2)_H_$(3) = \ $$(TSREQ$(1)_T_$(2)_H_$(3)) \ $$(foreach dep,$$(TARGET_CRATES_$(2)), \ $$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$$(dep)) \ tmp/install-debugger-scripts$(1)_T_$(2)_H_$(3)-$$(call TRIPLE_TO_DEBUGGER_SCRIPT_SETTING,$(2)).done # Prerequisites for a working stageN compiler and complete set of target # libraries CSREQ$(1)_T_$(2)_H_$(3) = \ $$(TSREQ$(1)_T_$(2)_H_$(3)) \ $$(HBIN$(1)_H_$(3))/rustdoc$$(X_$(3)) \ $$(foreach dep,$$(HOST_CRATES),$$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$$(dep)) ifeq ($(1),0) # Don't run the stage0 compiler under valgrind - that ship has sailed CFG_VALGRIND_COMPILE$(1) = else CFG_VALGRIND_COMPILE$(1) = $$(CFG_VALGRIND_COMPILE) endif # Add RUSTFLAGS_STAGEN values to the build command EXTRAFLAGS_STAGE$(1) = $$(RUSTFLAGS_STAGE$(1)) CFGFLAG$(1)_T_$(2)_H_$(3) = stage$(1) endef # Same macro/variables as above, but defined in a separate loop so it can use # all the variables above for all archs. The RPATH_VAR setup sometimes needs to # reach across triples to get things in order. # # Defines (with the standard $(1)_T_$(2)_H_$(3) suffix): # * `LD_LIBRARY_PATH_ENV_NAME`: the name for the key to use in the OS # environment to access or extend the lookup path for dynamic # libraries. Note on Windows, that key is `$PATH`, and thus not # only conflates programs with dynamic libraries, but also often # contains spaces which confuse make. # * `LD_LIBRARY_PATH_ENV_HOSTDIR`: the entry to add to lookup path for the host # * `LD_LIBRARY_PATH_ENV_TARGETDIR`: the entry to add to lookup path for target # # Below that, HOST_RPATH_VAR and TARGET_RPATH_VAR are defined in terms of the # above settings. # define SREQ_CMDS ifeq ($$(OSTYPE_$(3)),apple-darwin) LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := DYLD_LIBRARY_PATH else ifeq ($$(CFG_WINDOWSY_$(3)),1) LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := PATH else LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := LD_LIBRARY_PATH endif endif LD_LIBRARY_PATH_ENV_HOSTDIR$(1)_T_$(2)_H_$(3) := \ $$(CURDIR)/$$(HLIB$(1)_H_$(3)):$$(CFG_LLVM_INST_DIR_$(3))/lib LD_LIBRARY_PATH_ENV_TARGETDIR$(1)_T_$(2)_H_$(3) := \ $$(CURDIR)/$$(TLIB$(1)_T_$(2)_H_$(3)) HOST_RPATH_VAR$(1)_T_$(2)_H_$(3) := \ $$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))=$$(LD_LIBRARY_PATH_ENV_HOSTDIR$(1)_T_$(2)_H_$(3)):$$$$$$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3)) TARGET_RPATH_VAR$(1)_T_$(2)_H_$(3) := \ $$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))=$$(LD_LIBRARY_PATH_ENV_TARGETDIR$(1)_T_$(2)_H_$(3)):$$$$$$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3)) RPATH_VAR$(1)_T_$(2)_H_$(3) := $$(HOST_RPATH_VAR$(1)_T_$(2)_H_$(3)) # Pass --cfg stage0 only for the build->host part of stage0; # if you're building a cross config, the host->* parts are # effectively stage1, since it uses the just-built stage0. # # Also be sure to use the right rpath because we're loading libraries from the # CFG_BUILD's stage1 directory for our target, so switch this one instance of # `RPATH_VAR` to get the bootstrap working. ifeq ($(1),0) ifneq ($(strip $(CFG_BUILD)),$(strip $(3))) CFGFLAG$(1)_T_$(2)_H_$(3) = stage1 RPATH_VAR$(1)_T_$(2)_H_$(3) := $$(TARGET_RPATH_VAR1_T_$(2)_H_$$(CFG_BUILD)) else ifdef CFG_ENABLE_LOCAL_REBUILD # Assume the local-rebuild rustc already has stage1 features too. CFGFLAG$(1)_T_$(2)_H_$(3) = stage1 endif endif endif STAGE$(1)_T_$(2)_H_$(3) := \ $$(Q)$$(RPATH_VAR$(1)_T_$(2)_H_$(3)) \ $$(call CFG_RUN_TARG_$(3),$(1), \ $$(CFG_VALGRIND_COMPILE$(1)) \ $$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) \ --cfg $$(CFGFLAG$(1)_T_$(2)_H_$(3)) \ $$(CFG_RUSTC_FLAGS) $$(EXTRAFLAGS_STAGE$(1)) --target=$(2)) \ $$(RUSTC_FLAGS_$(2)) endef $(foreach build,$(CFG_HOST), \ $(eval $(foreach target,$(CFG_TARGET), \ $(eval $(foreach stage,$(STAGES), \ $(eval $(call SREQ,$(stage),$(target),$(build)))))))) $(foreach build,$(CFG_HOST), \ $(eval $(foreach target,$(CFG_TARGET), \ $(eval $(foreach stage,$(STAGES), \ $(eval $(call SREQ_CMDS,$(stage),$(target),$(build)))))))) ###################################################################### # rustc-H-targets # # Builds a functional Rustc for the given host. ###################################################################### define DEF_RUSTC_STAGE_TARGET # $(1) == architecture # $(2) == stage rustc-stage$(2)-H-$(1): \ $$(foreach target,$$(CFG_TARGET),$$(SREQ$(2)_T_$$(target)_H_$(1))) endef $(foreach host,$(CFG_HOST), \ $(eval $(foreach stage,1 2 3, \ $(eval $(call DEF_RUSTC_STAGE_TARGET,$(host),$(stage)))))) rustc-stage1: rustc-stage1-H-$(CFG_BUILD) rustc-stage2: rustc-stage2-H-$(CFG_BUILD) rustc-stage3: rustc-stage3-H-$(CFG_BUILD) define DEF_RUSTC_TARGET # $(1) == architecture rustc-H-$(1): rustc-stage2-H-$(1) endef $(foreach host,$(CFG_TARGET), \ $(eval $(call DEF_RUSTC_TARGET,$(host)))) rustc-stage1: rustc-stage1-H-$(CFG_BUILD) rustc-stage2: rustc-stage2-H-$(CFG_BUILD) rustc-stage3: rustc-stage3-H-$(CFG_BUILD) rustc: rustc-H-$(CFG_BUILD) rustc-H-all: $(foreach host,$(CFG_HOST),rustc-H-$(host)) ###################################################################### # Entrypoint rule ###################################################################### .DEFAULT_GOAL := all define ALL_TARGET_N ifneq ($$(findstring $(1),$$(CFG_HOST)),) # This is a host all-target-$(1)-host-$(2): $$(CSREQ2_T_$(1)_H_$(2)) else # This is a target only all-target-$(1)-host-$(2): $$(SREQ2_T_$(1)_H_$(2)) endif endef $(foreach target,$(CFG_TARGET), \ $(foreach host,$(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
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)