main.mk revision 094268cf8cb37b9d904c8a1e3559cdd46d73cf66
1
2# Use bash, not whatever shell somebody has installed as /bin/sh
3# This is repeated in config.mk, since envsetup.sh runs that file
4# directly.
5SHELL := /bin/bash
6
7# this turns off the suffix rules built into make
8.SUFFIXES:
9
10# If a rule fails, delete $@.
11.DELETE_ON_ERROR:
12
13# Figure out where we are.
14#TOP := $(dir $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST)))
15#TOP := $(patsubst %/,%,$(TOP))
16
17# TOPDIR is the normal variable you should use, because
18# if we are executing relative to the current directory
19# it can be "", whereas TOP must be "." which causes
20# pattern matching probles when make strips off the
21# trailing "./" from paths in various places.
22#ifeq ($(TOP),.)
23#TOPDIR :=
24#else
25#TOPDIR := $(TOP)/
26#endif
27
28# check for broken versions of make
29ifeq (0,$(shell expr $$(echo $(MAKE_VERSION) | sed "s/[^0-9\.].*//") \>= 3.81))
30$(warning ********************************************************************************)
31$(warning *  You are using version $(MAKE_VERSION) of make.)
32$(warning *  You must upgrade to version 3.81 or greater.)
33$(warning *  see file://$(shell pwd)/docs/development-environment/machine-setup.html)
34$(warning ********************************************************************************)
35$(error stopping)
36endif
37
38TOP := .
39TOPDIR :=
40
41BUILD_SYSTEM := $(TOPDIR)build/core
42
43# This is the default target.  It must be the first declared target.
44DEFAULT_GOAL := droid
45$(DEFAULT_GOAL):
46
47# Set up various standard variables based on configuration
48# and host information.
49include $(BUILD_SYSTEM)/config.mk
50
51# This allows us to force a clean build - included after the config.make
52# environment setup is done, but before we generate any dependencies.  This
53# file does the rm -rf inline so the deps which are all done below will
54# be generated correctly
55include $(BUILD_SYSTEM)/cleanbuild.mk
56
57ifneq ($(HOST_OS),windows)
58ifneq ($(HOST_OS)-$(HOST_ARCH),darwin-ppc)
59# check for a case sensitive file system
60ifneq (a,$(shell mkdir -p $(OUT_DIR) ; \
61                echo a > $(OUT_DIR)/casecheck.txt; \
62                    echo B > $(OUT_DIR)/CaseCheck.txt; \
63                cat $(OUT_DIR)/casecheck.txt))
64$(warning ************************************************************)
65$(warning You are building on a case-insensitive filesystem.)
66$(warning Please move your source tree to a case-sensitive filesystem.)
67$(warning ************************************************************)
68$(error Case-insensitive filesystems not supported)
69endif
70endif
71endif
72
73# Make sure that there are no spaces in the absolute path; the
74# build system can't deal with them.
75ifneq ($(words $(shell pwd)),1)
76$(warning ************************************************************)
77$(warning You are building in a directory whose absolute path contains)
78$(warning a space character:)
79$(warning $(space))
80$(warning "$(shell pwd)")
81$(warning $(space))
82$(warning Please move your source tree to a path that does not contain)
83$(warning any spaces.)
84$(warning ************************************************************)
85$(error Directory names containing spaces not supported)
86endif
87
88# Set up version information.
89include $(BUILD_SYSTEM)/version_defaults.mk
90
91# These are the modifier targets that don't do anything themselves, but
92# change the behavior of the build.
93# (must be defined before including definitions.make)
94INTERNAL_MODIFIER_TARGETS := showcommands
95
96# Bring in standard build system definitions.
97include $(BUILD_SYSTEM)/definitions.mk
98
99ifneq ($(filter eng user userdebug tests,$(MAKECMDGOALS)),)
100$(info ***************************************************************)
101$(info ***************************************************************)
102$(info Don't pass '$(filter eng user userdebug tests,$(MAKECMDGOALS))' on \
103		the make command line.)
104$(info Set TARGET_BUILD_VARIANT in buildspec.mk, or use lunch or)
105$(info choosecombo.)
106$(info ***************************************************************)
107$(info ***************************************************************)
108$(error stopping)
109endif
110
111
112###
113### In this section we set up the things that are different
114### between the build variants
115###
116
117## user/userdebug ##
118
119user_variant := $(filter userdebug user,$(TARGET_BUILD_VARIANT))
120enable_target_debugging := true
121ifneq (,$(user_variant))
122  # Target is secure in user builds.
123  ADDITIONAL_DEFAULT_PROPERTIES += ro.secure=1
124
125  override_build_tags := user
126  ifeq ($(user_variant),userdebug)
127    # Pick up some extra useful tools
128    override_build_tags += debug
129  else
130    # Disable debugging in plain user builds.
131    enable_target_debugging :=
132  endif
133 
134  # TODO: Always set WITH_DEXPREOPT (for user builds) once it works on OSX.
135  # Also, remove the corresponding block in config/product_config.make.
136  ifeq ($(HOST_OS)-$(WITH_DEXPREOPT_buildbot),linux-true)
137    WITH_DEXPREOPT := true
138  endif
139else # !user_variant
140  # Turn on checkjni for non-user builds.
141  ADDITIONAL_BUILD_PROPERTIES += ro.kernel.android.checkjni=1
142  # Set device insecure for non-user builds.
143  ADDITIONAL_DEFAULT_PROPERTIES += ro.secure=0
144endif # !user_variant
145
146ifeq (true,$(strip $(enable_target_debugging)))
147  # Target is more debuggable and adbd is on by default
148  ADDITIONAL_DEFAULT_PROPERTIES += ro.debuggable=1 persist.service.adb.enable=1
149  # Include the debugging/testing OTA keys in this build.
150  INCLUDE_TEST_OTA_KEYS := true
151else # !enable_target_debugging
152  # Target is less debuggable and adbd is off by default
153  ADDITIONAL_DEFAULT_PROPERTIES += ro.debuggable=0 persist.service.adb.enable=0
154endif # !enable_target_debugging
155
156## tests ##
157
158ifeq ($(TARGET_BUILD_VARIANT),tests)
159override_build_tags := eng debug user development tests
160endif
161
162## sdk ##
163
164ifneq ($(filter sdk,$(MAKECMDGOALS)),)
165ifneq ($(words $(filter-out $(INTERNAL_MODIFIER_TARGETS),$(MAKECMDGOALS))),1)
166$(error The 'sdk' target may not be specified with any other targets)
167endif
168override_build_tags := user
169ADDITIONAL_BUILD_PROPERTIES += xmpp.auto-presence=true
170ADDITIONAL_BUILD_PROPERTIES += ro.config.nocheckin=yes
171else # !sdk
172# Enable sync for non-sdk builds only (sdk builds lack SubscribedFeedsProvider).
173ADDITIONAL_BUILD_PROPERTIES += ro.config.sync=yes
174endif
175
176ifeq "" "$(filter %:system/etc/apns-conf.xml, $(PRODUCT_COPY_FILES))"
177  # Install an apns-conf.xml file if one's not already being installed.
178  PRODUCT_COPY_FILES += development/data/etc/apns-conf_sdk.xml:system/etc/apns-conf.xml
179  ifeq ($(filter sdk,$(MAKECMDGOALS)),)
180    $(warning implicitly installing apns-conf_sdk.xml)
181  endif
182endif
183
184ADDITIONAL_BUILD_PROPERTIES += net.bt.name=Android
185
186# enable vm tracing in files for now to help track
187# the cause of ANRs in the content process
188ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.stack-trace-file=/data/anr/traces.txt
189
190
191# ------------------------------------------------------------
192# Define a function that, given a list of module tags, returns
193# non-empty if that module should be installed in /system.
194
195# For most goals, anything tagged with "eng"/"debug"/"user" should
196# be installed in /system.
197define should-install-to-system
198$(filter eng debug user,$(1))
199endef
200
201ifneq (,$(filter sdk,$(MAKECMDGOALS)))
202# For the sdk goal, anything with the "samples" tag should be
203# installed in /data even if that module also has "eng"/"debug"/"user".
204define should-install-to-system
205$(if $(filter samples,$(1)),,$(filter eng debug user development,$(1)))
206endef
207endif
208
209ifeq ($(TARGET_BUILD_VARIANT),)
210# For the default goal, everything should be installed in /system.
211define should-install-to-system
212true
213endef
214endif
215
216
217# If all they typed was make showcommands, we'll actually build
218# the default target.
219ifeq ($(MAKECMDGOALS),showcommands)
220.PHONY: showcommands
221showcommands: $(DEFAULT_GOAL)
222endif
223
224# These targets are going to delete stuff, don't bother including
225# the whole directory tree if that's all we're going to do
226ifeq ($(MAKECMDGOALS),clean)
227dont_bother := true
228endif
229ifeq ($(MAKECMDGOALS),clobber)
230dont_bother := true
231endif
232ifeq ($(MAKECMDGOALS),dataclean)
233dont_bother := true
234endif
235ifeq ($(MAKECMDGOALS),installclean)
236dont_bother := true
237endif
238
239# Bring in all modules that need to be built.
240ifneq ($(dont_bother),true)
241
242subdir_makefiles :=
243
244ifeq ($(HOST_OS),windows)
245SDK_ONLY := true
246endif
247ifeq ($(HOST_OS)-$(HOST_ARCH),darwin-ppc)
248SDK_ONLY := true
249endif
250
251ifeq ($(SDK_ONLY),true)
252
253subdirs := \
254	prebuilt \
255	build/libs/host \
256	dalvik/dexdump \
257	dalvik/libdex \
258	dalvik/tools/dmtracedump \
259	development/emulator/mksdcard \
260	development/tools/activitycreator \
261	development/tools/line_endings \
262	development/host \
263	external/expat \
264	external/libpng \
265	external/qemu \
266	external/sqlite/dist \
267	external/zlib \
268	frameworks/base/libs/utils \
269	frameworks/base/tools/aapt \
270	frameworks/base/tools/aidl \
271	system/core/adb \
272	system/core/fastboot \
273	system/core/libcutils \
274	system/core/liblog \
275	system/core/libzipfile
276
277# The following can only be built if "javac" is available.
278# This check is used when building parts of the SDK under Cygwin.
279ifneq (,$(shell which javac 2>/dev/null))
280$(warning sdk-only: javac available.)
281subdirs += \
282	build/tools/signapk \
283	build/tools/zipalign \
284	dalvik/dx \
285	dalvik/libcore \
286	development/apps \
287	development/tools/androidprefs \
288	development/tools/apkbuilder \
289	development/tools/jarutils \
290	development/tools/layoutlib_utils \
291	development/tools/ninepatch \
292	development/tools/sdkstats \
293	development/tools/sdkmanager \
294	frameworks/base \
295	frameworks/base/tools/layoutlib \
296	external/googleclient \
297	packages
298else
299$(warning sdk-only: javac not available.)
300endif
301
302# Exclude tools/acp when cross-compiling windows under linux
303ifeq ($(findstring Linux,$(UNAME)),)
304subdirs += build/tools/acp
305endif
306
307else	# !SDK_ONLY
308ifeq ($(BUILD_TINY_ANDROID), true)
309
310# TINY_ANDROID is a super-minimal build configuration, handy for board 
311# bringup and very low level debugging
312
313INTERNAL_DEFAULT_DOCS_TARGETS := 
314
315subdirs := \
316	bionic \
317	system/core \
318	build/libs \
319	build/target \
320	build/tools/acp \
321	build/tools/apriori \
322	build/tools/kcm \
323	build/tools/soslim \
324	external/elfcopy \
325	external/elfutils \
326	external/yaffs2 \
327	external/zlib
328else	# !BUILD_TINY_ANDROID
329
330#
331# Typical build; include any Android.mk files we can find.
332#
333INTERNAL_DEFAULT_DOCS_TARGETS := offline-sdk-docs
334subdirs := $(TOP)
335
336FULL_BUILD := true
337
338endif	# !BUILD_TINY_ANDROID
339
340endif	# !SDK_ONLY
341
342# Can't use first-makefiles-under here because
343# --mindepth=2 makes the prunes not work.
344subdir_makefiles += \
345	$(shell build/tools/findleaves.sh --prune="./out" $(subdirs) Android.mk)
346
347# Boards may be defined under $(SRC_TARGET_DIR)/board/$(TARGET_DEVICE)
348# or under vendor/*/$(TARGET_DEVICE).  Search in both places, but
349# make sure only one exists.
350# Real boards should always be associated with an OEM vendor.
351board_config_mk := \
352	$(strip $(wildcard \
353		$(SRC_TARGET_DIR)/board/$(TARGET_DEVICE)/BoardConfig.mk \
354		vendor/*/$(TARGET_DEVICE)/BoardConfig.mk \
355	))
356ifeq ($(board_config_mk),)
357  $(error No config file found for TARGET_DEVICE $(TARGET_DEVICE))
358endif
359ifneq ($(words $(board_config_mk)),1)
360  $(error Multiple board config files for TARGET_DEVICE $(TARGET_DEVICE): $(board_config_mk))
361endif
362include $(board_config_mk)
363TARGET_DEVICE_DIR := $(patsubst %/,%,$(dir $(board_config_mk)))
364board_config_mk :=
365
366# Clean up/verify variables defined by the board config file.
367TARGET_BOOTLOADER_BOARD_NAME := $(strip $(TARGET_BOOTLOADER_BOARD_NAME))
368
369#
370# Include all of the makefiles in the system
371#
372
373ifneq ($(ONE_SHOT_MAKEFILE),)
374# We've probably been invoked by the "mm" shell function
375# with a subdirectory's makefile.
376include $(ONE_SHOT_MAKEFILE)
377# Change CUSTOM_MODULES to include only modules that were
378# defined by this makefile; this will install all of those
379# modules as a side-effect.  Do this after including ONE_SHOT_MAKEFILE
380# so that the modules will be installed in the same place they
381# would have been with a normal make.
382CUSTOM_MODULES := $(sort $(call get-tagged-modules,$(ALL_MODULE_TAGS),))
383FULL_BUILD :=
384INTERNAL_DEFAULT_DOCS_TARGETS :=
385# Stub out the notice targets, which probably aren't defined
386# when using ONE_SHOT_MAKEFILE.
387NOTICE-HOST-%: ;
388NOTICE-TARGET-%: ;
389else
390include $(subdir_makefiles)
391endif
392# -------------------------------------------------------------------
393# All module makefiles have been included at this point.
394# -------------------------------------------------------------------
395
396# -------------------------------------------------------------------
397# Include any makefiles that must happen after the module makefiles
398# have been included.
399# TODO: have these files register themselves via a global var rather
400# than hard-coding the list here.
401ifdef FULL_BUILD
402  # Only include this during a full build, otherwise we can't be
403  # guaranteed that any policies were included.
404  -include frameworks/policies/base/PolicyConfig.mk
405endif
406
407# -------------------------------------------------------------------
408# Fix up CUSTOM_MODULES to refer to installed files rather than
409# just bare module names.  Leave unknown modules alone in case
410# they're actually full paths to a particular file.
411known_custom_modules := $(filter $(ALL_MODULES),$(CUSTOM_MODULES))
412unknown_custom_modules := $(filter-out $(ALL_MODULES),$(CUSTOM_MODULES))
413CUSTOM_MODULES := \
414	$(call module-installed-files,$(known_custom_modules)) \
415	$(unknown_custom_modules)
416
417# -------------------------------------------------------------------
418# Define dependencies for modules that require other modules.
419# This can only happen now, after we've read in all module makefiles.
420#
421# TODO: deal with the fact that a bare module name isn't
422# unambiguous enough.  Maybe declare short targets like
423# APPS:Quake or HOST:SHARED_LIBRARIES:libutils.
424# BUG: the system image won't know to depend on modules that are
425# brought in as requirements of other modules.
426define add-required-deps
427$(1): $(2)
428endef
429$(foreach m,$(ALL_MODULES), \
430  $(eval r := $(ALL_MODULES.$(m).REQUIRED)) \
431  $(if $(r), \
432    $(eval r := $(call module-installed-files,$(r))) \
433    $(eval $(call add-required-deps,$(ALL_MODULES.$(m).INSTALLED),$(r))) \
434   ) \
435 )
436m :=
437r :=
438add-required-deps :=
439
440# -------------------------------------------------------------------
441# Figure out our module sets.
442
443# Of the modules defined by the component makefiles,
444# determine what we actually want to build.
445# If a module has the "restricted" tag on it, it
446# poisons the rest of the tags and shouldn't appear
447# on any list.
448Default_MODULES := $(sort $(ALL_DEFAULT_INSTALLED_MODULES) \
449                          $(ALL_BUILT_MODULES) \
450                          $(CUSTOM_MODULES))
451
452ifdef FULL_BUILD
453  # The base list of modules to build for this product is specified
454  # by the appropriate product definition file, which was included
455  # by product_config.make.
456  user_PACKAGES := $(call module-installed-files, \
457                       $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES))
458  ifeq (0,1)
459    $(info user packages for $(TARGET_DEVICE) ($(INTERNAL_PRODUCT)):)
460    $(foreach p,$(user_PACKAGES),$(info :   $(p)))
461    $(error done)
462  endif
463else
464  # We're not doing a full build, and are probably only including
465  # a subset of the module makefiles.  Don't try to build any modules
466  # requested by the product, because we probably won't have rules
467  # to build them.
468  user_PACKAGES :=
469endif
470# Use tags to get the non-APPS user modules.  Use the product
471# definition files to get the APPS user modules.
472user_MODULES := $(sort $(call get-tagged-modules,user,_class@APPS restricted))
473user_MODULES := $(user_MODULES) $(user_PACKAGES)
474
475eng_MODULES := $(sort $(call get-tagged-modules,eng,restricted))
476debug_MODULES := $(sort $(call get-tagged-modules,debug,restricted))
477tests_MODULES := $(sort $(call get-tagged-modules,tests,restricted))
478
479droid_MODULES := $(sort $(Default_MODULES) \
480			$(eng_MODULES) \
481			$(debug_MODULES) \
482			$(user_MODULES) \
483			$(all_development_MODULES))
484
485# THIS IS A TOTAL HACK AND SHOULD NOT BE USED AS AN EXAMPLE
486modules_to_build := $(droid_MODULES)
487ifneq ($(override_build_tags),)
488  modules_to_build := $(sort $(Default_MODULES) \
489		      $(foreach tag,$(override_build_tags),$($(tag)_MODULES)))
490#$(error skipping modules $(filter-out $(modules_to_build),$(Default_MODULES) $(droid_MODULES)))
491endif
492
493# Some packages may override others using LOCAL_OVERRIDES_PACKAGES.
494# Filter out (do not install) any overridden packages.
495overridden_packages := $(call get-package-overrides,$(modules_to_build))
496ifdef overridden_packages
497#  old_modules_to_build := $(modules_to_build)
498  modules_to_build := \
499      $(filter-out $(foreach p,$(overridden_packages),$(p) %/$(p).apk), \
500          $(modules_to_build))
501endif
502#$(error filtered out $(filter-out $(modules_to_build),$(old_modules_to_build)))
503
504# Don't include any GNU targets in the SDK.  It's ok (and necessary)
505# to build the host tools, but nothing that's going to be installed
506# on the target (including static libraries).
507ifneq ($(filter sdk,$(MAKECMDGOALS)),)
508  target_gnu_MODULES := \
509              $(filter \
510                      $(TARGET_OUT_INTERMEDIATES)/% \
511                      $(TARGET_OUT)/% \
512                      $(TARGET_OUT_DATA)/%, \
513                              $(sort $(call get-tagged-modules,gnu)))
514  $(info Removing from sdk:)$(foreach d,$(target_gnu_MODULES),$(info : $(d)))
515  modules_to_build := \
516              $(filter-out $(target_gnu_MODULES),$(modules_to_build))
517endif
518
519
520# config/Makefile contains extra stuff that we don't want to pollute this
521# top-level makefile with.  It expects that ALL_DEFAULT_INSTALLED_MODULES
522# contains everything that's built during the current make, but it also further
523# extends ALL_DEFAULT_INSTALLED_MODULES.
524ALL_DEFAULT_INSTALLED_MODULES := $(modules_to_build)
525include $(BUILD_SYSTEM)/Makefile
526modules_to_build := $(sort $(ALL_DEFAULT_INSTALLED_MODULES))
527ALL_DEFAULT_INSTALLED_MODULES :=
528
529endif # dont_bother
530
531# -------------------------------------------------------------------
532# This is used to to get the ordering right, you can also use these,
533# but they're considered undocumented, so don't complain if their
534# behavior changes.
535.PHONY: prebuilt
536prebuilt: $(ALL_PREBUILT)
537
538# An internal target that depends on all copied headers
539# (see copy_headers.make).  Other targets that need the
540# headers to be copied first can depend on this target.
541.PHONY: all_copied_headers
542all_copied_headers: ;
543
544$(ALL_C_CPP_ETC_OBJECTS): | all_copied_headers
545
546# All the droid stuff, in directories
547.PHONY: files
548files: prebuilt $(modules_to_build) $(INSTALLED_ANDROID_INFO_TXT_TARGET)
549
550# -------------------------------------------------------------------
551
552.PHONY: ramdisk
553ramdisk: $(INSTALLED_RAMDISK_TARGET)
554
555.PHONY: systemtarball
556systemtarball: $(INSTALLED_SYSTEMTARBALL_TARGET)
557
558.PHONY: userdataimage
559userdataimage: $(INSTALLED_USERDATAIMAGE_TARGET)
560
561.PHONY: userdatatarball
562userdatatarball: $(INSTALLED_USERDATATARBALL_TARGET)
563
564.PHONY: bootimage
565bootimage: $(INSTALLED_BOOTIMAGE_TARGET)
566
567ifeq ($(BUILD_TINY_ANDROID), true)
568INSTALLED_RECOVERYIMAGE_TARGET :=
569endif
570
571# Build files and then package it into the rom formats
572.PHONY: droidcore
573droidcore: files \
574	systemimage \
575	$(INSTALLED_BOOTIMAGE_TARGET) \
576	$(INSTALLED_RECOVERYIMAGE_TARGET) \
577	$(INSTALLED_USERDATAIMAGE_TARGET) \
578	$(INTERNAL_DEFAULT_DOCS_TARGETS) \
579	$(INSTALLED_FILES_FILE)
580
581# The actual files built by the droidcore target changes depending
582# on the build variant.
583.PHONY: droid tests
584droid tests: droidcore
585
586$(call dist-for-goals, droid, \
587	$(INTERNAL_UPDATE_PACKAGE_TARGET) \
588	$(INTERNAL_OTA_PACKAGE_TARGET) \
589	$(SYMBOLS_ZIP) \
590	$(APPS_ZIP) \
591	$(INTERNAL_EMULATOR_PACKAGE_TARGET) \
592	$(PACKAGE_STATS_FILE) \
593	$(INSTALLED_FILES_FILE) \
594	$(INSTALLED_BUILD_PROP_TARGET) \
595	$(BUILT_TARGET_FILES_PACKAGE) \
596 )
597
598# Tests are installed in userdata.img.  If we're building the tests
599# variant, copy it for "make tests dist".  Also copy a zip of the
600# contents of userdata.img, so that people can easily extract a
601# single .apk.
602ifeq ($(TARGET_BUILD_VARIANT),tests)
603$(call dist-for-goals, droid, \
604	$(INSTALLED_USERDATAIMAGE_TARGET) \
605	$(BUILT_TESTS_ZIP_PACKAGE) \
606 )
607endif
608
609.PHONY: docs
610docs: $(ALL_DOCS)
611
612.PHONY: sdk
613ALL_SDK_TARGETS := $(INTERNAL_SDK_TARGET)
614sdk: $(ALL_SDK_TARGETS)
615$(call dist-for-goals,sdk,$(ALL_SDK_TARGETS))
616
617.PHONY: findbugs
618findbugs: $(INTERNAL_FINDBUGS_HTML_TARGET) $(INTERNAL_FINDBUGS_XML_TARGET)
619
620.PHONY: clean
621dirs_to_clean := \
622	$(PRODUCT_OUT) \
623	$(TARGET_COMMON_OUT_ROOT) \
624	$(HOST_OUT) \
625	$(HOST_COMMON_OUT_ROOT)
626clean:
627	@for dir in $(dirs_to_clean) ; do \
628	    echo "Cleaning $$dir..."; \
629	    rm -rf $$dir; \
630	done
631	@echo "Clean."; \
632
633.PHONY: clobber
634clobber:
635	@rm -rf $(OUT_DIR)
636	@echo "Entire build directory removed."
637
638# The rules for dataclean and installclean are defined in cleanbuild.mk.
639
640#xxx scrape this from ALL_MODULE_NAME_TAGS
641.PHONY: modules
642modules:
643	@echo "Available sub-modules:"
644	@echo "$(call module-names-for-tag-list,$(ALL_MODULE_TAGS))" | \
645	      sed -e 's/  */\n/g' | sort -u | $(COLUMN)
646
647.PHONY: showcommands
648showcommands:
649	@echo >/dev/null
650
651