Makefile - platform/external/ltp - Git at Google

 # SPDX-License-Identifier: GPL-2.0-or-later
 # Copyright (c) Linux Test Project, 2009-2024
 # Copyright (c) Cisco Systems Inc., 2009-2010
 # Ngie Cooper, July 2009

 # Avoid funny character set dependencies
 unexport LC_ALL
 LC_COLLATE=C
 LC_NUMERIC=C
 export LC_COLLATE LC_NUMERIC

 top_srcdir		?= $(CURDIR)

 include $(top_srcdir)/include/mk/env_pre.mk
 include $(top_srcdir)/include/mk/automake.mk

 .SUFFIXES:
 .SUFFIXES: .am .default .h .in .m4 .mk

 vpath %.am		$(top_srcdir)/m4
 vpath %.default		$(top_srcdir)/include
 vpath %.h		$(top_srcdir)/include:$(top_builddir)/include
 vpath %.in		$(top_srcdir)/include
 vpath %.m4		$(top_srcdir)/m4
 vpath %.mk		$(top_srcdir)/mk:$(top_srcdir)/mk/include

 # CLEAN_TARGETS:	Targets which exist solely in clean.
 # COMMON_TARGETS:	Targets which exist in all, clean, and install.
 # INSTALL_TARGETS:	Targets which exist in clean and install (contains
 # 			COMMON_TARGETS).
 # BOOTSTRAP_TARGETS:	Directories required to bootstrap out-of-build-tree
 # 			support.

 COMMON_TARGETS		:= pan utils

 define target_to_dir_dep_mapping
 ifeq ($$(filter %-clean,$(1)),) # not *-clean
 $(1): | $$(abs_top_builddir)/$$(basename $$(subst -,.,$(1)))
 else				# clean
 $(1):: | $$(abs_top_builddir)/$$(basename $$(subst -,.,$(1)))
 endif
 endef

 COMMON_TARGETS		+= testcases tools metadata

 # Don't want to nuke the original files if we're installing in-build-tree.
 ifneq ($(BUILD_TREE_STATE),$(BUILD_TREE_SRCDIR_INSTALL))
 INSTALL_TARGETS		+= runtest scenario_groups testscripts
 CLEAN_TARGETS		+= include runtest scenario_groups testscripts
 endif
 INSTALL_TARGETS		+= $(COMMON_TARGETS)
 CLEAN_TARGETS		+= $(COMMON_TARGETS) lib libs
 BOOTSTRAP_TARGETS	:= $(sort $(COMMON_TARGETS) $(CLEAN_TARGETS) $(INSTALL_TARGETS))

 CLEAN_TARGETS		:= $(addsuffix -clean,$(CLEAN_TARGETS))
 INSTALL_TARGETS		:= $(addsuffix -install,$(INSTALL_TARGETS))
 MAKE_TARGETS		:= $(addsuffix -all,$(filter-out lib,$(COMMON_TARGETS)))
 CHECK_TARGETS		:= $(addsuffix -check,testcases lib)

 # There's no reason why we should run `all' twice. Otherwise we're just wasting
 # 3+ mins of useful CPU cycles on a modern machine, and even more time on an
 # overtaxed one, or one where -j => 1 was specified.
 all: $(addsuffix -all,$(COMMON_TARGETS)) Version

 $(MAKE_TARGETS): lib-all libs-all

 .PHONY: include-all include-install
 include-install: $(top_builddir)/include/config.h include/mk/config.mk include-all

 INSTALL_DIR		:= $(DESTDIR)/$(prefix)

 # DO NOT REMOVE THIS CALL (see clean_install_dir call below...)!!!!
 INSTALL_DIR		:= $(abspath $(INSTALL_DIR))

 # build tree bootstrap targets and $(INSTALL_DIR) target.
 $(sort $(addprefix $(abs_top_builddir)/,$(BOOTSTRAP_TARGETS)) $(INSTALL_DIR) $(DESTDIR)/$(bindir)):
 	mkdir -m 00755 -p "$@"

 ## Pattern based subtarget rules.
 lib-install: lib-all

 libs-all: $(abs_top_builddir)/libs

 $(MAKE_TARGETS) include-all lib-all libs-all:
 	$(MAKE) -C "$(subst -all,,$@)" \
 		-f "$(abs_top_srcdir)/$(subst -all,,$@)/Makefile" all

 $(CHECK_TARGETS): tools-all
 	$(MAKE) -C "$(subst -check,,$@)" \
 		-f "$(abs_top_srcdir)/$(subst -check,,$@)/Makefile" check

 # Let's not conflict with ac-clean, maintainer-clean, etc, so.
 $(filter-out include-clean,$(CLEAN_TARGETS))::
 	-$(MAKE) -C "$(subst -clean,,$@)" \
 		 -f "$(abs_top_srcdir)/$(subst -clean,,$@)/Makefile" clean

 # Just like everything depends on include-all / -install, we need to get rid
 # of include last to ensure that things won't be monkey screwed up. Only do
 # this if we're invoking clean or a subclean directly though.
 ifneq ($(filter clean,$(MAKECMDGOALS)),)
 INCLUDE_CLEAN_RDEP_SUBJECT	:= $(CLEAN_TARGETS)
 else
 ifneq ($(filter %clean,$(MAKECMDGOALS)),)
 INCLUDE_CLEAN_RDEP_SUBJECT	:= $(MAKECMDGOALS)
 endif
 endif

 # Remove potential for circular dependencies.
 INCLUDE_CLEAN_RDEPS		:= $(filter-out include-clean,$(INCLUDE_CLEAN_RDEP_SUBJECT))

 include-clean:: $(INCLUDE_CLEAN_RDEPS) | $(abs_top_builddir)/include
 	-$(MAKE) -C include -f "$(abs_top_srcdir)/include/Makefile" clean

 # include-install is separate to avoid creating a circular dependency below in
 # the install target.
 $(INSTALL_TARGETS) include-install lib-install:
 	$(MAKE) -C "$(subst -install,,$@)" \
 		-f "$(abs_top_srcdir)/$(subst -install,,$@)/Makefile" install

 # Just in case configure hasn't been run yet, let's not overambitiously remove
 # the $(INSTALL_DIR).
 .PHONY: clean_install_dir
 clean_install_dir::
 	$(RM) -Rf "$(INSTALL_DIR)"

 # Clean the directory if the build-tree is properly configured and not set to
 # the srcdir.
 ifeq ($(filter $(BUILD_TREE_STATE),$(BUILD_TREE_SRCDIR_INSTALL) $(BUILD_TREE_UNCONFIGURED)),)
 # Make sure that we don't whack `/'!!!!!
 ifneq ($(INSTALL_DIR),/)
 CLEAN_TARGETS	+= clean_install_dir
 endif
 endif

 clean:: $(CLEAN_TARGETS)
 	$(RM) -f Version

 $(foreach tgt,$(MAKE_TARGETS) include-all lib-all $(filter-out clean_install_dir,$(CLEAN_TARGETS)) $(INSTALL_TARGETS) include-install lib-install,$(eval $(call target_to_dir_dep_mapping,$(tgt))))

 SRCDIR_INSTALL_SCRIPTS	:= IDcheck.sh runltp ver_linux
 SRCDIR_INSTALL_READONLY	:= Version
 SRCDIR_INSTALL_TARGETS	:= $(SRCDIR_INSTALL_SCRIPTS) $(SRCDIR_INSTALL_READONLY)

 #
 # If we are in git repository, use git describe to indentify current version,
 # otherwise if downloaded as tarball use VERSION file.
 #
 .PHONY: Version
 Version:
 	if git describe >/dev/null 2>&1; then \
 		git describe > "$@"; \
 	else \
 		cp $(top_srcdir)/VERSION "$@"; \
 	fi

 $(INSTALL_DIR)/Version: Version
 	install -m 00644 "$(top_builddir)/$(@F)" "$@"

 $(addprefix $(DESTDIR)/$(bindir)/,$(BINDIR_INSTALL_SCRIPTS)): %:
 	install -m 00755 "$(top_builddir)/$(@F)" "$@"

 $(addprefix $(INSTALL_DIR)/,$(SRCDIR_INSTALL_SCRIPTS)): %:
 	install -m 00755 "$(top_srcdir)/$(@F)" "$@"

 ifneq ($(BUILD_TREE_STATE),$(BUILD_TREE_SRCDIR_INSTALL))
 INSTALL_TARGETS		+= $(addprefix $(INSTALL_DIR)/,$(SRCDIR_INSTALL_TARGETS))
 endif
 INSTALL_TARGETS		+= $(addprefix $(DESTDIR)/$(bindir)/,$(BINDIR_INSTALL_SCRIPTS))

 $(INSTALL_TARGETS): $(INSTALL_DIR) $(DESTDIR)/$(bindir)

 .PHONY: doc
 doc: metadata-all

 .PHONY: check
 check: $(CHECK_TARGETS)

 ## Install
 install: $(INSTALL_TARGETS)

 ## Test
 define _test
 	@set -e; $(top_srcdir)/lib/newlib_tests/runtest.sh -b $(abs_builddir) $(1)
 endef

 test: lib-all
 ifneq ($(build),$(host))
 	$(error running tests on cross-compile build not supported)
 endif
 	$(call _test)
 	$(MAKE) test-metadata

 test-c: lib-all
 ifneq ($(build),$(host))
 	$(error running tests on cross-compile build not supported)
 endif
 	$(call _test,-c)

 test-shell: lib-all
 ifneq ($(build),$(host))
 	$(error running tests on cross-compile build not supported)
 endif
 	$(call _test,-s)

 test-metadata: metadata-all
 	$(MAKE) -C $(abs_srcdir)/metadata test

 ## Help
 .PHONY: help
 help:
 	@echo "Please read the Configuration section in $(top_srcdir)/INSTALL"
 	@exit 1
	# SPDX-License-Identifier: GPL-2.0-or-later
	# Copyright (c) Linux Test Project, 2009-2024
	# Copyright (c) Cisco Systems Inc., 2009-2010
	# Ngie Cooper, July 2009

	# Avoid funny character set dependencies
	unexport LC_ALL
	LC_COLLATE=C
	LC_NUMERIC=C
	export LC_COLLATE LC_NUMERIC

	top_srcdir ?= $(CURDIR)

	include $(top_srcdir)/include/mk/env_pre.mk
	include $(top_srcdir)/include/mk/automake.mk

	.SUFFIXES:
	.SUFFIXES: .am .default .h .in .m4 .mk

	vpath %.am $(top_srcdir)/m4
	vpath %.default $(top_srcdir)/include
	vpath %.h $(top_srcdir)/include:$(top_builddir)/include
	vpath %.in $(top_srcdir)/include
	vpath %.m4 $(top_srcdir)/m4
	vpath %.mk $(top_srcdir)/mk:$(top_srcdir)/mk/include

	# CLEAN_TARGETS: Targets which exist solely in clean.
	# COMMON_TARGETS: Targets which exist in all, clean, and install.
	# INSTALL_TARGETS: Targets which exist in clean and install (contains
	# COMMON_TARGETS).
	# BOOTSTRAP_TARGETS: Directories required to bootstrap out-of-build-tree
	# support.

	COMMON_TARGETS := pan utils

	define target_to_dir_dep_mapping
	ifeq ($$(filter %-clean,$(1)),) # not *-clean
	$(1): \| $$(abs_top_builddir)/$$(basename $$(subst -,.,$(1)))
	else # clean
	$(1):: \| $$(abs_top_builddir)/$$(basename $$(subst -,.,$(1)))
	endif
	endef

	COMMON_TARGETS += testcases tools metadata

	# Don't want to nuke the original files if we're installing in-build-tree.
	ifneq ($(BUILD_TREE_STATE),$(BUILD_TREE_SRCDIR_INSTALL))
	INSTALL_TARGETS += runtest scenario_groups testscripts
	CLEAN_TARGETS += include runtest scenario_groups testscripts
	endif
	INSTALL_TARGETS += $(COMMON_TARGETS)
	CLEAN_TARGETS += $(COMMON_TARGETS) lib libs
	BOOTSTRAP_TARGETS := $(sort $(COMMON_TARGETS) $(CLEAN_TARGETS) $(INSTALL_TARGETS))

	CLEAN_TARGETS := $(addsuffix -clean,$(CLEAN_TARGETS))
	INSTALL_TARGETS := $(addsuffix -install,$(INSTALL_TARGETS))
	MAKE_TARGETS := $(addsuffix -all,$(filter-out lib,$(COMMON_TARGETS)))
	CHECK_TARGETS := $(addsuffix -check,testcases lib)

	# There's no reason why we should run `all' twice. Otherwise we're just wasting
	# 3+ mins of useful CPU cycles on a modern machine, and even more time on an
	# overtaxed one, or one where -j => 1 was specified.
	all: $(addsuffix -all,$(COMMON_TARGETS)) Version

	$(MAKE_TARGETS): lib-all libs-all

	.PHONY: include-all include-install
	include-install: $(top_builddir)/include/config.h include/mk/config.mk include-all

	INSTALL_DIR := $(DESTDIR)/$(prefix)

	# DO NOT REMOVE THIS CALL (see clean_install_dir call below...)!!!!
	INSTALL_DIR := $(abspath $(INSTALL_DIR))

	# build tree bootstrap targets and $(INSTALL_DIR) target.
	$(sort $(addprefix $(abs_top_builddir)/,$(BOOTSTRAP_TARGETS)) $(INSTALL_DIR) $(DESTDIR)/$(bindir)):
	mkdir -m 00755 -p "$@"

	## Pattern based subtarget rules.
	lib-install: lib-all

	libs-all: $(abs_top_builddir)/libs

	$(MAKE_TARGETS) include-all lib-all libs-all:
	$(MAKE) -C "$(subst -all,,$@)" \
	-f "$(abs_top_srcdir)/$(subst -all,,$@)/Makefile" all

	$(CHECK_TARGETS): tools-all
	$(MAKE) -C "$(subst -check,,$@)" \
	-f "$(abs_top_srcdir)/$(subst -check,,$@)/Makefile" check

	# Let's not conflict with ac-clean, maintainer-clean, etc, so.
	$(filter-out include-clean,$(CLEAN_TARGETS))::
	-$(MAKE) -C "$(subst -clean,,$@)" \
	-f "$(abs_top_srcdir)/$(subst -clean,,$@)/Makefile" clean

	# Just like everything depends on include-all / -install, we need to get rid
	# of include last to ensure that things won't be monkey screwed up. Only do
	# this if we're invoking clean or a subclean directly though.
	ifneq ($(filter clean,$(MAKECMDGOALS)),)
	INCLUDE_CLEAN_RDEP_SUBJECT := $(CLEAN_TARGETS)
	else
	ifneq ($(filter %clean,$(MAKECMDGOALS)),)
	INCLUDE_CLEAN_RDEP_SUBJECT := $(MAKECMDGOALS)
	endif
	endif

	# Remove potential for circular dependencies.
	INCLUDE_CLEAN_RDEPS := $(filter-out include-clean,$(INCLUDE_CLEAN_RDEP_SUBJECT))

	include-clean:: $(INCLUDE_CLEAN_RDEPS) \| $(abs_top_builddir)/include
	-$(MAKE) -C include -f "$(abs_top_srcdir)/include/Makefile" clean

	# include-install is separate to avoid creating a circular dependency below in
	# the install target.
	$(INSTALL_TARGETS) include-install lib-install:
	$(MAKE) -C "$(subst -install,,$@)" \
	-f "$(abs_top_srcdir)/$(subst -install,,$@)/Makefile" install

	# Just in case configure hasn't been run yet, let's not overambitiously remove
	# the $(INSTALL_DIR).
	.PHONY: clean_install_dir
	clean_install_dir::
	$(RM) -Rf "$(INSTALL_DIR)"

	# Clean the directory if the build-tree is properly configured and not set to
	# the srcdir.
	ifeq ($(filter $(BUILD_TREE_STATE),$(BUILD_TREE_SRCDIR_INSTALL) $(BUILD_TREE_UNCONFIGURED)),)
	# Make sure that we don't whack `/'!!!!!
	ifneq ($(INSTALL_DIR),/)
	CLEAN_TARGETS += clean_install_dir
	endif
	endif

	clean:: $(CLEAN_TARGETS)
	$(RM) -f Version

	$(foreach tgt,$(MAKE_TARGETS) include-all lib-all $(filter-out clean_install_dir,$(CLEAN_TARGETS)) $(INSTALL_TARGETS) include-install lib-install,$(eval $(call target_to_dir_dep_mapping,$(tgt))))

	SRCDIR_INSTALL_SCRIPTS := IDcheck.sh runltp ver_linux
	SRCDIR_INSTALL_READONLY := Version
	SRCDIR_INSTALL_TARGETS := $(SRCDIR_INSTALL_SCRIPTS) $(SRCDIR_INSTALL_READONLY)

	#
	# If we are in git repository, use git describe to indentify current version,
	# otherwise if downloaded as tarball use VERSION file.
	#
	.PHONY: Version
	Version:
	if git describe >/dev/null 2>&1; then \
	git describe > "$@"; \
	else \
	cp $(top_srcdir)/VERSION "$@"; \
	fi

	$(INSTALL_DIR)/Version: Version
	install -m 00644 "$(top_builddir)/$(@F)" "$@"

	$(addprefix $(DESTDIR)/$(bindir)/,$(BINDIR_INSTALL_SCRIPTS)): %:
	install -m 00755 "$(top_builddir)/$(@F)" "$@"

	$(addprefix $(INSTALL_DIR)/,$(SRCDIR_INSTALL_SCRIPTS)): %:
	install -m 00755 "$(top_srcdir)/$(@F)" "$@"

	ifneq ($(BUILD_TREE_STATE),$(BUILD_TREE_SRCDIR_INSTALL))
	INSTALL_TARGETS += $(addprefix $(INSTALL_DIR)/,$(SRCDIR_INSTALL_TARGETS))
	endif
	INSTALL_TARGETS += $(addprefix $(DESTDIR)/$(bindir)/,$(BINDIR_INSTALL_SCRIPTS))

	$(INSTALL_TARGETS): $(INSTALL_DIR) $(DESTDIR)/$(bindir)

	.PHONY: doc
	doc: metadata-all

	.PHONY: check
	check: $(CHECK_TARGETS)

	## Install
	install: $(INSTALL_TARGETS)

	## Test
	define _test
	@set -e; $(top_srcdir)/lib/newlib_tests/runtest.sh -b $(abs_builddir) $(1)
	endef

	test: lib-all
	ifneq ($(build),$(host))
	$(error running tests on cross-compile build not supported)
	endif
	$(call _test)
	$(MAKE) test-metadata

	test-c: lib-all
	ifneq ($(build),$(host))
	$(error running tests on cross-compile build not supported)
	endif
	$(call _test,-c)

	test-shell: lib-all
	ifneq ($(build),$(host))
	$(error running tests on cross-compile build not supported)
	endif
	$(call _test,-s)

	test-metadata: metadata-all
	$(MAKE) -C $(abs_srcdir)/metadata test

	## Help
	.PHONY: help
	help:
	@echo "Please read the Configuration section in $(top_srcdir)/INSTALL"
	@exit 1