coreboot/Makefile

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Makefile
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## SPDX-License-Identifier: BSD-3-Clause
ifneq ($(words $(CURDIR)),1)
$(error Error: Path to the main directory cannot contain spaces)
endif
top := $(CURDIR)
src := src
srck := $(top)/util/kconfig
obj ?= build
override obj := $(subst $(top)/,,$(abspath $(obj)))
xcompile ?= $(obj)/xcompile
objutil ?= $(obj)/util
objk := $(objutil)/kconfig
absobj := $(abspath $(obj))
VBOOT_HOST_BUILD ?= $(abspath $(objutil)/vboot_lib)
COREBOOT_EXPORTS := COREBOOT_EXPORTS
COREBOOT_EXPORTS += top src srck obj objutil objk
# reproducible builds
LANG:=C
LC_ALL:=C
TZ:=UTC0
COREBOOT_EXPORTS += LANG LC_ALL TZ
DOTCONFIG ?= $(top)/.config
KCONFIG_CONFIG = $(DOTCONFIG)
KCONFIG_AUTOADS := $(obj)/cb-config.ads
KCONFIG_AUTOHEADER := $(obj)/config.h
KCONFIG_AUTOCONFIG := $(obj)/auto.conf
KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
KCONFIG_SPLITCONFIG := $(obj)/config
KCONFIG_TRISTATE := $(obj)/tristate.conf
KCONFIG_NEGATIVES := 1
KCONFIG_STRICT := 1
KCONFIG_PACKAGE := CB.Config
COREBOOT_EXPORTS += KCONFIG_CONFIG KCONFIG_AUTOHEADER KCONFIG_AUTOCONFIG
COREBOOT_EXPORTS += KCONFIG_DEPENDENCIES KCONFIG_SPLITCONFIG KCONFIG_TRISTATE
COREBOOT_EXPORTS += KCONFIG_NEGATIVES KCONFIG_STRICT
COREBOOT_EXPORTS += KCONFIG_AUTOADS KCONFIG_PACKAGE
# directory containing the toplevel Makefile.inc
TOPLEVEL := .
CONFIG_SHELL := sh
KBUILD_DEFCONFIG := configs/defconfig
UNAME_RELEASE := $(shell uname -r)
HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
MAKEFLAGS += -rR --no-print-directory
# Make is silent per default, but 'make V=1' will show all compiler calls.
Q:=@
ifneq ($(V),1)
ifneq ($(Q),)
.SILENT:
MAKEFLAGS += -s
endif
endif
# Disable implicit/built-in rules to make Makefile errors fail fast.
.SUFFIXES:
HOSTCFLAGS := -g
HOSTCXXFLAGS := -g
PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .
DOXYGEN := doxygen
DOXYGEN_OUTPUT_DIR := doxygen
export $(COREBOOT_EXPORTS)
all: real-all
help_coreboot help::
@echo '*** coreboot platform targets ***'
@echo ' Use "make [target] V=1" for extra build debug information'
@echo ' all - Build coreboot'
@echo ' clean - Remove coreboot build artifacts'
@echo ' distclean - Remove build artifacts and config files'
@echo ' doxygen - Build doxygen documentation for coreboot'
@echo ' doxyplatform - Build doxygen documentation for the current platform'
@echo ' sphinx - Build sphinx documentation for coreboot'
@echo ' sphinx-lint - Build sphinx documenttion for coreboot with warnings as errors'
@echo ' filelist - Show files used in current build'
@echo ' printall - print makefile info for debugging'
@echo ' gitconfig - set up git to submit patches to coreboot'
@echo ' ctags / ctags-project - make ctags file for all of coreboot or current board'
@echo ' cscope / cscope-project - make cscope.out file for coreboot or current board'
@echo
# This include must come _before_ the pattern rules below!
# Order _does_ matter for pattern rules.
include $(srck)/Makefile.inc
# Three cases where we don't need fully populated $(obj) lists:
# 1. when no .config exists
# 2. when make config (in any flavour) is run
# 3. when make distclean is run
# Don't waste time on reading all Makefile.incs in these cases
ifeq ($(strip $(HAVE_DOTCONFIG)),)
NOCOMPILE:=1
endif
ifneq ($(MAKECMDGOALS),)
ifneq ($(filter %config %clean cross% clang iasl lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
NOCOMPILE:=1
endif
ifneq ($(filter %clean lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
NOMKDIR:=1
endif
endif
ifneq ($(filter %-test %-tests,$(MAKECMDGOALS)),)
ifneq ($(filter-out %-test %-tests, $(MAKECMDGOALS)),)
$(error Cannot mix unit-tests targets with other targets)
endif
UNIT_TEST:=1
NOCOMPILE:=
endif
$(xcompile): util/xcompile/xcompile
rm -f $@
$< $(XGCCPATH) > $@.tmp
\mv -f $@.tmp $@ 2> /dev/null
rm -f $@.tmp
ifeq ($(NOCOMPILE),1)
# We also don't use .xcompile in the no-compile situations, so
# provide some reasonable defaults.
HOSTCC ?= $(if $(shell type gcc 2>/dev/null),gcc,cc)
HOSTCXX ?= g++
include $(TOPLEVEL)/Makefile.inc
include $(TOPLEVEL)/payloads/Makefile.inc
include $(TOPLEVEL)/util/testing/Makefile.inc
-include $(TOPLEVEL)/site-local/Makefile.inc
real-all:
@echo "Error: Expected config file ($(DOTCONFIG)) not present." >&2
@echo "Please specify a config file or run 'make menuconfig' to" >&2
@echo "generate a new config file." >&2
@exit 1
else
ifneq ($(UNIT_TEST),1)
include $(DOTCONFIG)
endif
# The toolchain requires xcompile to determine the ARCH_SUPPORTED, so we can't
# wait for make to generate the file.
$(if $(wildcard $(xcompile)),, $(shell \
mkdir -p $(dir $(xcompile)) && \
util/xcompile/xcompile $(XGCCPATH) > $(xcompile) || rm -f $(xcompile)))
include $(xcompile)
ifneq ($(XCOMPILE_COMPLETE),1)
$(shell rm -f $(xcompile))
$(error $(xcompile) deleted because it's invalid. \
Restarting the build should fix that, or explain the problem)
endif
ifneq ($(CONFIG_MMX),y)
CFLAGS_x86_32 += -mno-mmx
endif
ifneq ($(UNIT_TEST),1)
include toolchain.inc
endif
strip_quotes = $(strip $(subst ",,$(subst \",,$(1))))
# fix makefile syntax highlighting after strip macro \" "))
# The primary target needs to be here before we include the
# other files
real-all: real-target
# must come rather early
.SECONDEXPANSION:
.DELETE_ON_ERROR:
$(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG) $(objutil)/kconfig/conf
+$(MAKE) oldconfig
$(KCONFIG_AUTOCONFIG): $(KCONFIG_AUTOHEADER)
true
$(KCONFIG_AUTOADS): $(KCONFIG_CONFIG) $(KCONFIG_AUTOHEADER) $(objutil)/kconfig/toada
$(objutil)/kconfig/toada CB.Config <$< >$@
$(obj)/%/$(notdir $(KCONFIG_AUTOADS)): $(KCONFIG_AUTOADS)
cp $< $@
# Add a new class of source/object files to the build system
add-class= \
$(eval $(1)-srcs:=) \
$(eval $(1)-objs:=) \
$(eval classes+=$(1))
# Special classes are managed types with special behaviour
# On parse time, for each entry in variable $(1)-y
# a handler $(1)-handler is executed with the arguments:
# * $(1): directory the parser is in
# * $(2): current entry
add-special-class= \
$(eval $(1):=) \
$(eval special-classes+=$(1))
# Converts one or more source file paths to their corresponding build/ paths.
# Only .ads, adb, .c and .S get converted to .o, other files (like .ld) keep
# their name.
# $1 stage name
# $2 file path (list)
src-to-obj=\
$(patsubst $(obj)/%,$(obj)/$(1)/%,\
$(patsubst $(obj)/$(1)/%,$(obj)/%,\
$(patsubst 3rdparty/%,$(obj)/%,\
$(patsubst src/%,$(obj)/%,\
$(patsubst %.ads,%.o,\
$(patsubst %.adb,%.o,\
$(patsubst %.c,%.o,\
$(patsubst %.S,%.o,\
$(subst .$(1),,$(2))))))))))
# Converts one or more source file paths to the corresponding build/ paths
# of their Ada library information (.ali) files.
# $1 stage name
# $2 file path (list)
src-to-ali=\
$(patsubst $(obj)/%,$(obj)/$(1)/%,\
$(patsubst $(obj)/$(1)/%,$(obj)/%,\
$(patsubst 3rdparty/%,$(obj)/%,\
$(patsubst src/%,$(obj)/%,\
$(patsubst %.ads,%.ali,\
$(patsubst %.adb,%.ali,\
$(subst .$(1),,\
$(filter %.ads %.adb,$(2)))))))))
# Clean -y variables, include Makefile.inc
# Add paths to files in X-y to X-srcs
# Add subdirs-y to subdirs
includemakefiles= \
$(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
$(eval -include $(1)) \
$(foreach class,$(classes-y), $(call add-class,$(class))) \
$(foreach special,$(special-classes), \
$(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
$(foreach class,$(classes), \
$(eval $(class)-srcs+= \
$$(subst $(absobj)/,$(obj)/, \
$$(subst $(top)/,, \
$$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \
$(eval subdirs+=$$(subst $(CURDIR)/,,$$(wildcard $$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y))))))
# For each path in $(subdirs) call includemakefiles
# Repeat until subdirs is empty
evaluate_subdirs= \
$(eval cursubdirs:=$(subdirs)) \
$(eval subdirs:=) \
$(foreach dir,$(cursubdirs), \
$(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
$(if $(subdirs),$(eval $(call evaluate_subdirs)))
# collect all object files eligible for building
subdirs:=$(TOPLEVEL)
Remove libverstage as separate library and source file class In builds without CONFIG_VBOOT_SEPARATE_VERSTAGE, verstage files are linked directly into the bootblock or the romstage. However, they're still compiled with a separate "libverstage" source file class, linked into an intermediate library and then linked into the final destination stage. There is no obvious benefit to doing it this way and it's unclear why it was chosen in the first place... there are, however, obvious disadvantages: it can result in code that is used by both libverstage and the host stage to occur twice in the output binary. It also means that libverstage files have their separate compiler flags that are not necessarily aligned with the host stage, which can lead to weird effects like <rules.h> macros not being set the way you would expect. In fact, VBOOT_STARTS_IN_ROMSTAGE configurations are currently broken on x86 because their libverstage code that gets compiled into the romstage sets ENV_VERSTAGE, but CAR migration code expects all ENV_VERSTAGE code to run pre-migration. This patch resolves these problems by removing the separate library. There is no more difference between the 'verstage' and 'libverstage' classes, and the source files added to them are just treated the same way a bootblock or romstage source files in configurations where the verstage is linked into either of these respective stages (allowing for the normal object code deduplication and causing those files to be compiled with the same flags as the host stage's files). Tested this whole series by booting a Kevin, an Elm (both with and without SEPARATE_VERSTAGE) and a Falco in normal and recovery mode. Change-Id: I6bb84a9bf1cd54f2e02ca1f665740a9c88d88df4 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/18302 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-03-20 23:32:15 +01:00
postinclude-hooks :=
# Don't iterate through Makefile.incs under src/ when building tests
ifneq ($(UNIT_TEST),1)
$(eval $(call evaluate_subdirs))
else
include $(TOPLEVEL)/tests/Makefile.inc
endif
ifeq ($(FAILBUILD),1)
$(error cannot continue build)
endif
Remove libverstage as separate library and source file class In builds without CONFIG_VBOOT_SEPARATE_VERSTAGE, verstage files are linked directly into the bootblock or the romstage. However, they're still compiled with a separate "libverstage" source file class, linked into an intermediate library and then linked into the final destination stage. There is no obvious benefit to doing it this way and it's unclear why it was chosen in the first place... there are, however, obvious disadvantages: it can result in code that is used by both libverstage and the host stage to occur twice in the output binary. It also means that libverstage files have their separate compiler flags that are not necessarily aligned with the host stage, which can lead to weird effects like <rules.h> macros not being set the way you would expect. In fact, VBOOT_STARTS_IN_ROMSTAGE configurations are currently broken on x86 because their libverstage code that gets compiled into the romstage sets ENV_VERSTAGE, but CAR migration code expects all ENV_VERSTAGE code to run pre-migration. This patch resolves these problems by removing the separate library. There is no more difference between the 'verstage' and 'libverstage' classes, and the source files added to them are just treated the same way a bootblock or romstage source files in configurations where the verstage is linked into either of these respective stages (allowing for the normal object code deduplication and causing those files to be compiled with the same flags as the host stage's files). Tested this whole series by booting a Kevin, an Elm (both with and without SEPARATE_VERSTAGE) and a Falco in normal and recovery mode. Change-Id: I6bb84a9bf1cd54f2e02ca1f665740a9c88d88df4 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/18302 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-03-20 23:32:15 +01:00
# Run hooks registered by subdirectories that need to be evaluated after all files have been parsed
$(eval $(postinclude-hooks))
# Eliminate duplicate mentions of source files in a class
$(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))
# Build Kconfig .ads if necessary
ifeq ($(CONFIG_RAMSTAGE_ADA),y)
ramstage-srcs += $(obj)/ramstage/$(notdir $(KCONFIG_AUTOADS))
endif
# To track dependencies, we need all Ada specification (.ads) files in
# *-srcs. Extract / filter all specification files that have a matching
# body (.adb) file here (specifications without a body are valid sources
# in Ada).
$(foreach class,$(classes),$(eval $(class)-extra-specs := \
$(filter \
$(addprefix %/,$(patsubst %.adb,%.ads,$(notdir $(filter %.adb,$($(class)-srcs))))), \
$(filter %.ads,$($(class)-srcs)))))
$(foreach class,$(classes),$(eval $(class)-srcs := \
$(filter-out $($(class)-extra-specs),$($(class)-srcs))))
$(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))
$(foreach class,$(classes),$(eval $(class)-alis:=$(call src-to-ali,$(class),$($(class)-srcs))))
# For Ada includes
$(foreach class,$(classes),$(eval $(class)-ada-dirs:=$(sort $(dir $(filter %.ads %.adb,$($(class)-srcs)) $($(class)-extra-specs)))))
# Save all objs before processing them (for dependency inclusion)
originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
# Call post-processors if they're defined
$(foreach class,$(classes),\
$(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))
allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
alldirs:=$(sort $(abspath $(dir $(allobjs))))
# Reads dependencies from an Ada library information (.ali) file
# Only basenames (with suffix) are preserved so we have to look the
# paths up in $($(stage)-srcs).
# $1 stage name
# $2 ali file
create_ada_deps=$$(if $(2),\
gnat.adc \
$$(filter \
$$(addprefix %/,$$(shell sed -ne's/^D \([^\t]\+\).*$$$$/\1/p' $(2) 2>/dev/null)), \
$$($(1)-srcs) $$($(1)-extra-specs)))
# macro to define template macros that are used by use_template macro
define create_cc_template
# $1 obj class
# $2 source suffix (c, S, ld, ...)
# $3 additional compiler flags
# $4 additional dependencies
ifn$(EMPTY)def $(1)-objs_$(2)_template
de$(EMPTY)fine $(1)-objs_$(2)_template
ifn$(EMPTY)eq ($(filter ads adb,$(2)),)
$$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $$(call create_ada_deps,$1,$$(call src-to-ali,$1,$$(1).$2)) $(4)
@printf " GCC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
$(GCC_$(1)) \
$$$$(ADAFLAGS_$(1)) $$$$(addprefix -I,$$$$($(1)-ada-dirs)) \
$(3) -c -o $$$$@ $$$$<
el$(EMPTY)se
$$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $(KCONFIG_AUTOHEADER) $(4)
@printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
$(CC_$(1)) \
-MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@) \
$(3) -c -o $$$$@ $$$$<
end$(EMPTY)if
en$(EMPTY)def
end$(EMPTY)if
endef
filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
$(foreach class,$(classes), \
$(foreach type,$(call filetypes-of-class,$(class)), \
$(eval $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
$(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(class))),\
$(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))))
foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
$(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
# To supported complex package initializations, we need to call the
# emitted code explicitly. gnatbind gathers all the calls for us
# and exports them as a procedure $(stage)_adainit(). Every stage that
# uses Ada code has to call it!
define gnatbind_template
# $1 class
$$(obj)/$(1)/b__$(1).adb: $$$$(filter-out $$(obj)/$(1)/b__$(1).ali,$$$$($(1)-alis))
@printf " BIND $$(subst $$(obj)/,,$$@)\n"
# We have to give gnatbind a simple filename (without leading
# path components) so just cd there.
cd $$(dir $$@) && \
$$(GNATBIND_$(1)) -a -n \
--RTS=$$(absobj)/libgnat-$$(ARCH-$(1)-y)/ \
-L$(1)_ada -o $$(notdir $$@) \
$$(subst $$(dir $$@),,$$^)
$$(obj)/$(1)/b__$(1).o: $$(obj)/$(1)/b__$(1).adb
@printf " GCC $$(subst $$(obj)/,,$$@)\n"
$(GCC_$(1)) $$(ADAFLAGS_$(1)) -c -o $$@ $$<
$(1)-objs += $$(obj)/$(1)/b__$(1).o
$($(1)-alis): %.ali: %.o ;
endef
$(eval $(foreach class,$(filter-out libgnat-%,$(classes)), \
$(if $($(class)-alis),$(call gnatbind_template,$(class)))))
DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
-include $(DEPENDENCIES)
printall:
@$(foreach class,$(classes), echo $(class)-objs: $($(class)-objs) | tr ' ' '\n'; echo; )
@echo alldirs: $(alldirs) | tr ' ' '\n'; echo
@echo allsrcs: $(allsrcs) | tr ' ' '\n'; echo
@echo DEPENDENCIES: $(DEPENDENCIES) | tr ' ' '\n'; echo
@$(foreach class,$(special-classes),echo $(class):'$($(class))' | tr ' ' '\n'; echo; )
endif
ifndef NOMKDIR
$(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
endif
$(obj)/project_filelist.txt:
if [ -z "$(wildcard $(obj)/coreboot.rom)" ]; then \
echo "*** Error: Project must be built before generating file list ***"; \
exit 1; \
fi
find $(obj) -path "$(obj)/util" -prune -o -name "*.d" -exec cat {} \; | \
sed "s|$(top)/||" | sed 's/[:\\]/ /g' | sed 's/ /\n/g' | sort | uniq | \
grep -v '\.o$$' > $(obj)/project_filelist.txt
filelist: $(obj)/project_filelist.txt
printf "\nFiles used in build:\n"
cat $(obj)/project_filelist.txt
#works with either exuberant ctags or ctags.emacs
ctags-project: clean-ctags $(obj)/project_filelist.txt
cat $(obj)/project_filelist.txt | \
xargs ctags -o tags
cscope-project: clean-cscope $(obj)/project_filelist.txt
cat $(obj)/project_filelist.txt | xargs cscope -b
cscope:
cscope -bR
sphinx:
$(MAKE) -C Documentation -f Makefile.sphinx html
sphinx-lint:
$(MAKE) SPHINXOPTS=-W -C Documentation -f Makefile.sphinx html
doxy: doxygen
doxygen:
$(DOXYGEN) Documentation/Doxyfile.coreboot
doxygen_simple:
$(DOXYGEN) Documentation/Doxyfile.coreboot_simple
doxyplatform doxygen_platform: $(obj)/project_filelist.txt
echo
echo "Building doxygen documentation for $(CONFIG_MAINBOARD_PART_NUMBER)"
export DOXYGEN_OUTPUT_DIR="$$( echo $(DOXYGEN_OUTPUT_DIR)/$(call strip_quotes, $(CONFIG_MAINBOARD_VENDOR))_$(call strip_quotes, $(CONFIG_MAINBOARD_PART_NUMBER)) | sed 's|[^A-Za-z0-9/]|_|g' )"; \
mkdir -p "$$DOXYGEN_OUTPUT_DIR"; \
export DOXYFILES="$$(cat $(obj)/project_filelist.txt | grep -v '\.ld$$' | sed 's/\.aml/\.dsl/' | tr '\n' ' ')"; \
export DOXYGEN_PLATFORM="$(call strip_quotes, $(CONFIG_MAINBOARD_DIR)) \($(call strip_quotes, $(CONFIG_MAINBOARD_PART_NUMBER))\) version $(KERNELVERSION)"; \
$(DOXYGEN) Documentation/doxygen/Doxyfile.coreboot_platform
doxyclean: doxygen-clean
doxygen-clean:
rm -rf $(DOXYGEN_OUTPUT_DIR)
clean-for-update: doxygen-clean clean-for-update-target
rm -rf $(obj) .xcompile
clean: clean-for-update clean-target clean-utils
rm -f .ccwrap
clean-cscope:
rm -f cscope.out
clean-ctags:
rm -f tags
clean-utils:
$(foreach tool, $(TOOLLIST), \
$(MAKE) -C util/$(tool) clean MFLAGS= MAKEFLAGS= ;)
distclean-utils:
$(foreach tool, $(TOOLLIST), \
$(MAKE) -C util/$(tool) distclean MFLAGS= MAKEFLAGS= ; \
rm -f /util/$(tool)/junit.xml;)
distclean: clean clean-ctags clean-cscope distclean-payloads distclean-utils
rm -f .config .config.old ..config.tmp* .kconfig.d .tmpconfig* .ccwrap .xcompile
rm -rf coreboot-builds coreboot-builds-chromeos
rm -f abuild*.xml junit.xml* util/lint/junit.xml
.PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean doxygen doxy doxygen_simple sphinx sphinx-lint
.PHONY: ctags-project cscope-project clean-ctags