# SPDX-License-Identifier: GPL-2.0-only
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# tools/power/acpi/Makefile.config - ACPI tool Makefile
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#
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# Copyright (c) 2015, Intel Corporation
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# Author: Lv Zheng <lv.zheng@intel.com>
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#
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ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(shell pwd)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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#$(info Determined 'srctree' to be $(srctree))
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endif
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include $(srctree)/../../scripts/Makefile.include
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OUTPUT=$(srctree)/
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ifeq ("$(origin O)", "command line")
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OUTPUT := $(O)/tools/power/acpi/
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endif
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#$(info Determined 'OUTPUT' to be $(OUTPUT))
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# --- CONFIGURATION BEGIN ---
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# Set the following to `true' to make a unstripped, unoptimized
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# binary. Leave this set to `false' for production use.
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DEBUG ?= true
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# make the build silent. Set this to something else to make it noisy again.
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V ?= false
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# Prefix to the directories we're installing to
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DESTDIR ?=
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# --- CONFIGURATION END ---
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# Directory definitions. These are default and most probably
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# do not need to be changed. Please note that DESTDIR is
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# added in front of any of them
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bindir ?= /usr/bin
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sbindir ?= /usr/sbin
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mandir ?= /usr/man
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# Toolchain: what tools do we use, and what options do they need:
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INSTALL = /usr/bin/install -c
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INSTALL_PROGRAM = ${INSTALL}
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INSTALL_DATA = ${INSTALL} -m 644
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INSTALL_SCRIPT = ${INSTALL_PROGRAM}
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# If you are running a cross compiler, you may want to set this
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# to something more interesting, like "arm-linux-". If you want
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# to compile vs uClibc, that can be done here as well.
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CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
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CROSS_COMPILE ?= $(CROSS)
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LD = $(CC)
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# check if compiler option is supported
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cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
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# use '-Os' optimization if available, else use -O2
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OPTIMIZATION := $(call cc-supports,-Os,-O2)
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WARNINGS := -Wall
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WARNINGS += $(call cc-supports,-Wstrict-prototypes)
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WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)
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KERNEL_INCLUDE := $(OUTPUT)include
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ACPICA_INCLUDE := $(srctree)/../../../drivers/acpi/acpica
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CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE)
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CFLAGS += $(WARNINGS)
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ifeq ($(strip $(V)),false)
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QUIET=@
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ECHO=@echo
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else
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QUIET=
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ECHO=@\#
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endif
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# if DEBUG is enabled, then we do not strip or optimize
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ifeq ($(strip $(DEBUG)),true)
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CFLAGS += -O1 -g -DDEBUG
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STRIPCMD = /bin/true -Since_we_are_debugging
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else
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CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
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STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
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endif
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