1 # Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
2 # file at the top-level directory of this distribution and at
3 # http://rust-lang.org/COPYRIGHT.
5 # Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 # http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 # <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 # option. This file may not be copied, modified, or distributed
9 # except according to those terms.
11 ######################################################################
12 # Version numbers and strings
13 ######################################################################
16 CFG_RELEASE_NUM=1.17.0
18 # An optional number to put after the label, e.g. '.2' -> '-beta.2'
19 # NB Make sure it starts with a dot to conform to semver pre-release
20 # versions (section 9)
21 CFG_PRERELEASE_VERSION=.1
23 ifeq ($(CFG_RELEASE_CHANNEL),stable)
24 # This is the normal semver version string, e.g. "0.12.0", "0.12.0-nightly"
25 CFG_RELEASE=$(CFG_RELEASE_NUM)
26 # This is the string used in dist artifact file names, e.g. "0.12.0", "nightly"
27 CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM)
28 CFG_DISABLE_UNSTABLE_FEATURES=1
30 ifeq ($(CFG_RELEASE_CHANNEL),beta)
31 CFG_RELEASE=$(CFG_RELEASE_NUM)-beta$(CFG_PRERELEASE_VERSION)
32 # When building beta distributables just reuse the same "beta" name
33 # so when we upload we'll always override the previous beta. This
34 # doesn't actually impact the version reported by rustc - it's just
37 CFG_DISABLE_UNSTABLE_FEATURES=1
39 ifeq ($(CFG_RELEASE_CHANNEL),nightly)
40 CFG_RELEASE=$(CFG_RELEASE_NUM)-nightly
41 # When building nightly distributables just reuse the same "nightly" name
42 # so when we upload we'll always override the previous nighly. This
43 # doesn't actually impact the version reported by rustc - it's just
45 CFG_PACKAGE_VERS=nightly
47 ifeq ($(CFG_RELEASE_CHANNEL),dev)
48 CFG_RELEASE=$(CFG_RELEASE_NUM)-dev
49 CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM)-dev
52 # Append a version-dependent hash to each library, so we can install different
53 # versions in the same place
54 CFG_FILENAME_EXTRA=$(shell printf '%s' $(CFG_RELEASE)$(CFG_EXTRA_FILENAME) | $(CFG_HASH_COMMAND))
56 # If local-rust is the same major.minor as the current version, then force a local-rebuild
57 ifdef CFG_ENABLE_LOCAL_RUST
58 SEMVER_PREFIX=$(shell echo $(CFG_RELEASE_NUM) | grep -E -o '^[[:digit:]]+\.[[:digit:]]+')
59 LOCAL_RELEASE=$(shell $(S)src/etc/local_stage0.sh --print-rustc-release $(CFG_LOCAL_RUST_ROOT))
60 ifneq (,$(filter $(SEMVER_PREFIX).%,$(LOCAL_RELEASE)))
61 CFG_INFO := $(info cfg: auto-detected local-rebuild using $(LOCAL_RELEASE))
62 CFG_ENABLE_LOCAL_REBUILD = 1
66 # The name of the package to use for creating tarballs, installers etc.
67 CFG_PACKAGE_NAME=rustc-$(CFG_PACKAGE_VERS)
69 # The version string plus commit information - this is what rustc reports
70 CFG_VERSION = $(CFG_RELEASE)
71 CFG_GIT_DIR := $(CFG_SRC_DIR).git
72 # since $(CFG_GIT) may contain spaces (especially on Windows),
73 # we need to escape them. (" " to r"\ ")
74 # Note that $(subst ...) ignores space after `subst`,
75 # so we use a hack: define $(SPACE) which contains space character.
79 ifneq ($(wildcard $(subst $(SPACE),\$(SPACE),$(CFG_GIT_DIR))),)
80 CFG_VER_DATE = $(shell git --git-dir='$(CFG_GIT_DIR)' log -1 --date=short --pretty=format:'%cd')
81 CFG_VER_HASH = $(shell git --git-dir='$(CFG_GIT_DIR)' rev-parse HEAD)
82 CFG_SHORT_VER_HASH = $(shell git --git-dir='$(CFG_GIT_DIR)' rev-parse --short=9 HEAD)
83 CFG_VERSION += ($(CFG_SHORT_VER_HASH) $(CFG_VER_DATE))
87 # Windows exe's need numeric versions - don't use anything but
88 # numbers and dots here
89 CFG_VERSION_WIN = $(CFG_RELEASE_NUM)
91 CFG_INFO := $(info cfg: version $(CFG_VERSION))
93 ######################################################################
95 ######################################################################
97 MKFILE_DEPS := config.stamp $(call rwildcard,$(CFG_SRC_DIR)mk/,*)
98 MKFILES_FOR_TARBALL:=$(MKFILE_DEPS)
99 ifneq ($(NO_MKFILE_DEPS),)
102 NON_BUILD_HOST = $(filter-out $(CFG_BUILD),$(CFG_HOST))
103 NON_BUILD_TARGET = $(filter-out $(CFG_BUILD),$(CFG_TARGET))
105 ifneq ($(MAKE_RESTARTS),)
106 CFG_INFO := $(info cfg: make restarts: $(MAKE_RESTARTS))
109 CFG_INFO := $(info cfg: build triple $(CFG_BUILD))
110 CFG_INFO := $(info cfg: host triples $(CFG_HOST))
111 CFG_INFO := $(info cfg: target triples $(CFG_TARGET))
113 ifneq ($(wildcard $(NON_BUILD_HOST)),)
114 CFG_INFO := $(info cfg: non-build host triples $(NON_BUILD_HOST))
116 ifneq ($(wildcard $(NON_BUILD_TARGET)),)
117 CFG_INFO := $(info cfg: non-build target triples $(NON_BUILD_TARGET))
120 CFG_RUSTC_FLAGS := $(RUSTFLAGS)
122 CFG_GCCISH_LINK_FLAGS :=
124 CFG_JEMALLOC_FLAGS :=
126 ifdef CFG_DISABLE_OPTIMIZE
127 $(info cfg: disabling rustc optimization (CFG_DISABLE_OPTIMIZE))
129 CFG_JEMALLOC_FLAGS += --enable-debug
131 # The rtopt cfg turns off runtime sanity checks
132 CFG_RUSTC_FLAGS += -O --cfg rtopt
135 CFG_JEMALLOC_FLAGS += $(JEMALLOC_FLAGS)
137 ifdef CFG_ENABLE_DEBUG_ASSERTIONS
138 $(info cfg: enabling debug assertions (CFG_ENABLE_DEBUG_ASSERTIONS))
139 CFG_RUSTC_FLAGS += -C debug-assertions=on
142 ifdef CFG_ENABLE_DEBUGINFO
143 $(info cfg: enabling debuginfo (CFG_ENABLE_DEBUGINFO))
144 CFG_RUSTC_FLAGS += -g
145 else ifdef CFG_ENABLE_DEBUGINFO_LINES
146 $(info cfg: enabling line number debuginfo (CFG_ENABLE_DEBUGINFO_LINES))
147 CFG_RUSTC_FLAGS += -Cdebuginfo=1
151 CFG_RUSTC_FLAGS += -C save-temps
154 CFG_RUSTC_FLAGS += -Z asm-comments
157 CFG_RUSTC_FLAGS += -Z time-passes
159 ifdef TIME_LLVM_PASSES
160 CFG_RUSTC_FLAGS += -Z time-llvm-passes
163 CFG_RUSTC_FLAGS += -Z trace
165 ifndef CFG_DISABLE_RPATH
166 CFG_RUSTC_FLAGS += -C rpath
169 # The executables crated during this compilation process have no need to include
170 # static copies of libstd and libextra. We also generate dynamic versions of all
171 # libraries, so in the interest of space, prefer dynamic linking throughout the
172 # compilation process.
174 # Note though that these flags are omitted for the *bins* in stage2+. This means
175 # that the snapshot will be generated with a statically linked rustc so we only
176 # have to worry about the distribution of one file (with its native dynamic
178 RUSTFLAGS_STAGE0 += -C prefer-dynamic
179 RUSTFLAGS_STAGE1 += -C prefer-dynamic
180 RUST_LIB_FLAGS_ST2 += -C prefer-dynamic
181 RUST_LIB_FLAGS_ST3 += -C prefer-dynamic
183 # Landing pads require a lot of codegen. We can get through bootstrapping faster
184 # by not emitting them.
186 ifdef CFG_DISABLE_STAGE0_LANDING_PADS
187 RUSTFLAGS_STAGE0 += -Z no-landing-pads
190 # platform-specific auto-configuration
191 include $(CFG_SRC_DIR)mk/platform.mk
193 # Run the stage1/2 compilers under valgrind
194 ifdef VALGRIND_COMPILE
195 CFG_VALGRIND_COMPILE := $(CFG_VALGRIND)
197 CFG_VALGRIND_COMPILE :=
201 ifndef CFG_DISABLE_VALGRIND_RPASS
202 $(info cfg: enabling valgrind run-pass tests (CFG_ENABLE_VALGRIND_RPASS))
203 $(info cfg: valgrind-rpass command set to $(CFG_VALGRIND))
204 CFG_VALGRIND_RPASS :=$(CFG_VALGRIND)
206 $(info cfg: disabling valgrind run-pass tests)
207 CFG_VALGRIND_RPASS :=
211 ifdef CFG_ENABLE_VALGRIND
212 $(info cfg: enabling valgrind (CFG_ENABLE_VALGRIND))
213 CFG_JEMALLOC_FLAGS += --enable-valgrind
218 ######################################################################
219 # Target-and-rule "utility variables"
220 ######################################################################
222 define DEF_FOR_TARGET
223 X_$(1) := $(CFG_EXE_SUFFIX_$(1))
224 ifndef CFG_LLVM_TARGET_$(1)
225 CFG_LLVM_TARGET_$(1) := $(1)
228 $(foreach target,$(CFG_TARGET), \
229 $(eval $(call DEF_FOR_TARGET,$(target))))
231 # "Source" files we generate in builddir along the way.
234 # Delete the built-in rules.
243 ######################################################################
244 # Cleaning out old crates
245 ######################################################################
247 # $(1) is the path for directory to match against
248 # $(2) is the glob to use in the match
250 # Note that a common bug is to accidentally construct the glob denoted
251 # by $(2) with a space character prefix, which invalidates the
252 # construction $(1)$(2).
253 define CHECK_FOR_OLD_GLOB_MATCHES
254 $(Q)MATCHES="$(wildcard $(1))"; if [ -n "$$MATCHES" ] ; then echo "warning: there are previous" \'$(notdir $(2))\' "libraries:" $$MATCHES; fi
257 # Same interface as above, but deletes rather than just listing the files.
259 define REMOVE_ALL_OLD_GLOB_MATCHES
260 $(Q)MATCHES="$(wildcard $(1))"; if [ -n "$$MATCHES" ] ; then echo "warning: removing previous" \'$(notdir $(1))\' "libraries:" $$MATCHES; rm $$MATCHES ; fi
263 define REMOVE_ALL_OLD_GLOB_MATCHES
264 $(Q)MATCHES="$(wildcard $(1))"; if [ -n "$$MATCHES" ] ; then rm $$MATCHES ; fi
268 # We use a different strategy for LIST_ALL_OLD_GLOB_MATCHES_EXCEPT
269 # than in the macros above because it needs the result of running the
270 # `ls` command after other rules in the command list have run; the
271 # macro-expander for $(wildcard ...) would deliver its results too
272 # soon. (This is in contrast to the macros above, which are meant to
273 # be run at the outset of a command list in a rule.)
275 define LIST_ALL_OLD_GLOB_MATCHES
276 @echo "info: now are following matches for" '$(notdir $(1))' "libraries:"
277 @( ls $(1) 2>/dev/null || true )
280 define LIST_ALL_OLD_GLOB_MATCHES
284 ######################################################################
286 ######################################################################
288 LLVM_OPTIONAL_COMPONENTS=x86 arm aarch64 mips powerpc pnacl systemz jsbackend msp430 sparc
289 LLVM_REQUIRED_COMPONENTS=ipo bitreader bitwriter linker asmparser mcjit \
290 interpreter instrumentation
292 ifneq ($(CFG_LLVM_ROOT),)
293 # Ensure we only try to link targets that the installed LLVM actually has:
294 LLVM_COMPONENTS := $(filter $(shell $(CFG_LLVM_ROOT)/bin/llvm-config$(X_$(CFG_BUILD)) --components),\
295 $(LLVM_OPTIONAL_COMPONENTS)) $(LLVM_REQUIRED_COMPONENTS)
297 LLVM_COMPONENTS := $(LLVM_OPTIONAL_COMPONENTS) $(LLVM_REQUIRED_COMPONENTS)
300 # Only build these LLVM tools
301 LLVM_TOOLS=bugpoint llc llvm-ar llvm-as llvm-dis llvm-mc opt llvm-extract
304 # The configure script defines these variables with the target triples
305 # separated by Z. This defines new ones with the expected format.
306 ifeq ($$(CFG_LLVM_ROOT),)
307 CFG_LLVM_BUILD_DIR_$(1):=$$(CFG_LLVM_BUILD_DIR_$(subst -,_,$(1)))
308 CFG_LLVM_INST_DIR_$(1):=$$(CFG_LLVM_INST_DIR_$(subst -,_,$(1)))
310 CFG_LLVM_INST_DIR_$(1):=$$(CFG_LLVM_ROOT)
313 # Any rules that depend on LLVM should depend on LLVM_CONFIG
314 LLVM_CONFIG_$(1):=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-config$$(X_$(1))
315 LLVM_MC_$(1):=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-mc$$(X_$(1))
316 LLVM_AR_$(1):=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-ar$$(X_$(1))
317 LLVM_VERSION_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --version)
318 LLVM_BINDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --bindir)
319 LLVM_INCDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --includedir)
320 LLVM_LIBDIR_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --libdir)
321 LLVM_LIBDIR_RUSTFLAGS_$(1)=-L native="$$(LLVM_LIBDIR_$(1))"
322 LLVM_LDFLAGS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --ldflags)
323 ifeq ($$(findstring freebsd,$(1)),freebsd)
324 # On FreeBSD, it may search wrong headers (that are for pre-installed LLVM),
325 # so we replace -I with -iquote to ensure that it searches bundled LLVM first.
326 LLVM_CXXFLAGS_$(1)=$$(subst -I, -iquote , $$(shell "$$(LLVM_CONFIG_$(1))" --cxxflags))
328 LLVM_CXXFLAGS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --cxxflags)
330 LLVM_HOST_TRIPLE_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --host-target)
332 LLVM_AS_$(1)=$$(CFG_LLVM_INST_DIR_$(1))/bin/llvm-as$$(X_$(1))
333 LLC_$(1)=$$(CFG_LLVM_INST_DIR_$(1))/bin/llc$$(X_$(1))
335 LLVM_ALL_COMPONENTS_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --components)
336 LLVM_VERSION_$(1)=$$(shell "$$(LLVM_CONFIG_$(1))" --version)
340 $(foreach host,$(CFG_HOST), \
341 $(eval $(call DEF_LLVM_VARS,$(host))))
343 ######################################################################
344 # Exports for sub-utilities
345 ######################################################################
347 # Note that any variable that re-configure should pick up needs to be
351 export CFG_SRC_DIR_RELATIVE
360 export CFG_VERSION_WIN
362 export CFG_PACKAGE_NAME
364 export CFG_RELEASE_CHANNEL
368 export CFG_LIBDIR_RELATIVE
369 export CFG_DISABLE_INJECT_STD_VERSION
370 ifdef CFG_DISABLE_UNSTABLE_FEATURES
371 CFG_INFO := $(info cfg: disabling unstable features (CFG_DISABLE_UNSTABLE_FEATURES))
372 # Turn on feature-staging
373 export CFG_DISABLE_UNSTABLE_FEATURES
374 # Subvert unstable feature lints to do the self-build
380 export RUSTC_BOOTSTRAP := 1
382 ######################################################################
383 # Per-stage targets and runner
384 ######################################################################
386 # Valid setting-strings are 'all', 'none', 'gdb', 'lldb'
387 # This 'function' will determine which debugger scripts to copy based on a
388 # target triple. See debuggers.mk for more information.
389 TRIPLE_TO_DEBUGGER_SCRIPT_SETTING=\
390 $(if $(findstring windows-msvc,$(1)),none,all)
395 # $(1) is the stage number
396 # $(2) is the target triple
397 # $(3) is the host triple
399 # Destinations of artifacts for the host compiler
400 HROOT$(1)_H_$(3) = $(3)/stage$(1)
401 HBIN$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/bin
403 ifeq ($$(CFG_WINDOWSY_$(3)),1)
404 # On Windows we always store host runtime libraries in the 'bin' directory because
405 # there's no rpath. Target libraries go under $CFG_LIBDIR_RELATIVE (usually 'lib').
406 HLIB_RELATIVE$(1)_H_$(3) = bin
407 TROOT$(1)_T_$(2)_H_$(3) = $$(HROOT$(1)_H_$(3))/$$(CFG_LIBDIR_RELATIVE)/rustlib/$(2)
408 # Remove the next 3 lines after a snapshot
410 RUSTFLAGS_STAGE0 += -L $$(TROOT$(1)_T_$(2)_H_$(3))/lib
416 HLIB_RELATIVE$(1)_H_$(3) = lib
418 HLIB_RELATIVE$(1)_H_$(3) = $$(CFG_LIBDIR_RELATIVE)
420 TROOT$(1)_T_$(2)_H_$(3) = $$(HLIB$(1)_H_$(3))/rustlib/$(2)
423 HLIB$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/$$(HLIB_RELATIVE$(1)_H_$(3))
425 # Destinations of artifacts for target architectures
426 TBIN$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/bin
427 TLIB$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/lib
429 # Preqrequisites for using the stageN compiler
431 HSREQ$(1)_H_$(3) = $$(HBIN$(1)_H_$(3))/rustc$$(X_$(3))
434 $$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) \
436 tmp/install-debugger-scripts$(1)_H_$(3)-$$(call TRIPLE_TO_DEBUGGER_SCRIPT_SETTING,$(3)).done
439 # Prerequisites for using the stageN compiler to build target artifacts
440 TSREQ$(1)_T_$(2)_H_$(3) = \
441 $$(HSREQ$(1)_H_$(3)) \
442 $$(foreach obj,$$(REQUIRED_OBJECTS_$(2)),\
443 $$(TLIB$(1)_T_$(2)_H_$(3))/$$(obj))
445 # Prerequisites for a working stageN compiler and libraries, for a specific
447 SREQ$(1)_T_$(2)_H_$(3) = \
448 $$(TSREQ$(1)_T_$(2)_H_$(3)) \
449 $$(foreach dep,$$(TARGET_CRATES_$(2)), \
450 $$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$$(dep)) \
451 tmp/install-debugger-scripts$(1)_T_$(2)_H_$(3)-$$(call TRIPLE_TO_DEBUGGER_SCRIPT_SETTING,$(2)).done
453 # Prerequisites for a working stageN compiler and complete set of target
455 CSREQ$(1)_T_$(2)_H_$(3) = \
456 $$(TSREQ$(1)_T_$(2)_H_$(3)) \
457 $$(HBIN$(1)_H_$(3))/rustdoc$$(X_$(3)) \
458 $$(foreach dep,$$(HOST_CRATES),$$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$$(dep))
461 # Don't run the stage0 compiler under valgrind - that ship has sailed
462 CFG_VALGRIND_COMPILE$(1) =
464 CFG_VALGRIND_COMPILE$(1) = $$(CFG_VALGRIND_COMPILE)
467 # Add RUSTFLAGS_STAGEN values to the build command
468 EXTRAFLAGS_STAGE$(1) = $$(RUSTFLAGS_STAGE$(1))
470 CFGFLAG$(1)_T_$(2)_H_$(3) = stage$(1)
474 # Same macro/variables as above, but defined in a separate loop so it can use
475 # all the variables above for all archs. The RPATH_VAR setup sometimes needs to
476 # reach across triples to get things in order.
478 # Defines (with the standard $(1)_T_$(2)_H_$(3) suffix):
479 # * `LD_LIBRARY_PATH_ENV_NAME`: the name for the key to use in the OS
480 # environment to access or extend the lookup path for dynamic
481 # libraries. Note on Windows, that key is `$PATH`, and thus not
482 # only conflates programs with dynamic libraries, but also often
483 # contains spaces which confuse make.
484 # * `LD_LIBRARY_PATH_ENV_HOSTDIR`: the entry to add to lookup path for the host
485 # * `LD_LIBRARY_PATH_ENV_TARGETDIR`: the entry to add to lookup path for target
487 # Below that, HOST_RPATH_VAR and TARGET_RPATH_VAR are defined in terms of the
492 ifeq ($$(OSTYPE_$(3)),apple-darwin)
493 LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := DYLD_LIBRARY_PATH
495 ifeq ($$(CFG_WINDOWSY_$(3)),1)
496 LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := PATH
498 ifeq ($$(OSTYPE_$(3)),unknown-haiku)
499 LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := LIBRARY_PATH
501 LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := LD_LIBRARY_PATH
506 LD_LIBRARY_PATH_ENV_HOSTDIR$(1)_T_$(2)_H_$(3) := \
507 $$(CURDIR)/$$(HLIB$(1)_H_$(3)):$$(CFG_LLVM_INST_DIR_$(3))/lib
508 LD_LIBRARY_PATH_ENV_TARGETDIR$(1)_T_$(2)_H_$(3) := \
509 $$(CURDIR)/$$(TLIB$(1)_T_$(2)_H_$(3))
511 HOST_RPATH_VAR$(1)_T_$(2)_H_$(3) := \
512 $$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))=$$(LD_LIBRARY_PATH_ENV_HOSTDIR$(1)_T_$(2)_H_$(3)):$$$$$$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))
513 TARGET_RPATH_VAR$(1)_T_$(2)_H_$(3) := \
514 $$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))=$$(LD_LIBRARY_PATH_ENV_TARGETDIR$(1)_T_$(2)_H_$(3)):$$$$$$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))
516 RPATH_VAR$(1)_T_$(2)_H_$(3) := $$(HOST_RPATH_VAR$(1)_T_$(2)_H_$(3))
518 # Pass --cfg stage0 only for the build->host part of stage0;
519 # if you're building a cross config, the host->* parts are
520 # effectively stage1, since it uses the just-built stage0.
522 # Also be sure to use the right rpath because we're loading libraries from the
523 # CFG_BUILD's stage1 directory for our target, so switch this one instance of
524 # `RPATH_VAR` to get the bootstrap working.
526 ifneq ($(strip $(CFG_BUILD)),$(strip $(3)))
527 CFGFLAG$(1)_T_$(2)_H_$(3) = stage1
529 RPATH_VAR$(1)_T_$(2)_H_$(3) := $$(TARGET_RPATH_VAR1_T_$(2)_H_$$(CFG_BUILD))
531 ifdef CFG_ENABLE_LOCAL_REBUILD
532 # Assume the local-rebuild rustc already has stage1 features too.
533 CFGFLAG$(1)_T_$(2)_H_$(3) = stage1
538 STAGE$(1)_T_$(2)_H_$(3) := \
539 $$(Q)$$(RPATH_VAR$(1)_T_$(2)_H_$(3)) \
540 $$(call CFG_RUN_TARG_$(3),$(1), \
541 $$(CFG_VALGRIND_COMPILE$(1)) \
542 $$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) \
543 --cfg $$(CFGFLAG$(1)_T_$(2)_H_$(3)) \
544 $$(CFG_RUSTC_FLAGS) $$(EXTRAFLAGS_STAGE$(1)) --target=$(2)) \
549 $(foreach build,$(CFG_HOST), \
550 $(eval $(foreach target,$(CFG_TARGET), \
551 $(eval $(foreach stage,$(STAGES), \
552 $(eval $(call SREQ,$(stage),$(target),$(build))))))))
554 $(foreach build,$(CFG_HOST), \
555 $(eval $(foreach target,$(CFG_TARGET), \
556 $(eval $(foreach stage,$(STAGES), \
557 $(eval $(call SREQ_CMDS,$(stage),$(target),$(build))))))))
559 ######################################################################
562 # Builds a functional Rustc for the given host.
563 ######################################################################
565 define DEF_RUSTC_STAGE_TARGET
566 # $(1) == architecture
569 rustc-stage$(2)-H-$(1): \
570 $$(foreach target,$$(CFG_TARGET),$$(SREQ$(2)_T_$$(target)_H_$(1)))
574 $(foreach host,$(CFG_HOST), \
575 $(eval $(foreach stage,1 2 3, \
576 $(eval $(call DEF_RUSTC_STAGE_TARGET,$(host),$(stage))))))
578 rustc-stage1: rustc-stage1-H-$(CFG_BUILD)
579 rustc-stage2: rustc-stage2-H-$(CFG_BUILD)
580 rustc-stage3: rustc-stage3-H-$(CFG_BUILD)
582 define DEF_RUSTC_TARGET
583 # $(1) == architecture
585 rustc-H-$(1): rustc-stage2-H-$(1)
588 $(foreach host,$(CFG_TARGET), \
589 $(eval $(call DEF_RUSTC_TARGET,$(host))))
591 rustc-stage1: rustc-stage1-H-$(CFG_BUILD)
592 rustc-stage2: rustc-stage2-H-$(CFG_BUILD)
593 rustc-stage3: rustc-stage3-H-$(CFG_BUILD)
594 rustc: rustc-H-$(CFG_BUILD)
596 rustc-H-all: $(foreach host,$(CFG_HOST),rustc-H-$(host))
598 ######################################################################
600 ######################################################################
605 ifneq ($$(findstring $(1),$$(CFG_HOST)),)
607 all-target-$(1)-host-$(2): $$(CSREQ2_T_$(1)_H_$(2))
609 # This is a target only
610 all-target-$(1)-host-$(2): $$(SREQ2_T_$(1)_H_$(2))
614 $(foreach target,$(CFG_TARGET), \
615 $(foreach host,$(CFG_HOST), \
616 $(eval $(call ALL_TARGET_N,$(target),$(host)))))
618 ALL_TARGET_RULES = $(foreach target,$(CFG_TARGET), \
619 $(foreach host,$(CFG_HOST), \
620 all-target-$(target)-host-$(host)))
622 all-no-docs: $(ALL_TARGET_RULES) $(GENERATED)
623 all: all-no-docs docs
625 ######################################################################
626 # Build system documentation
627 ######################################################################
629 # $(1) is the name of the doc <section> in Makefile.in
630 # pick everything between tags | remove first line | remove last line
631 # | remove extra (?) line | strip leading `#` from lines
632 SHOW_DOCS = $(Q)awk '/<$(1)>/,/<\/$(1)>/' $(S)/Makefile.in | sed '1d' | sed '$$d' | sed 's/^\# \?//'
635 $(call SHOW_DOCS,help)
638 $(call SHOW_DOCS,tips)
641 $(call SHOW_DOCS,nitty-gritty)