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1# SPDX-License-Identifier: GPL-2.0-only2# tools/power/acpi/Makefile.config - ACPI tool Makefile3#4# Copyright (c) 2015, Intel Corporation5# Author: Lv Zheng <lv.zheng@intel.com>6#7 8ifeq ($(srctree),)9srctree := $(patsubst %/,%,$(dir $(shell pwd)))10srctree := $(patsubst %/,%,$(dir $(srctree)))11#$(info Determined 'srctree' to be $(srctree))12endif13 14include $(srctree)/../../scripts/Makefile.include15 16OUTPUT=$(srctree)/17ifeq ("$(origin O)", "command line")18 OUTPUT := $(O)/tools/power/acpi/19endif20#$(info Determined 'OUTPUT' to be $(OUTPUT))21 22# --- CONFIGURATION BEGIN ---23 24# Set the following to `true' to make a unstripped, unoptimized25# binary. Leave this set to `false' for production use.26DEBUG ?= true27 28# make the build silent. Set this to something else to make it noisy again.29V ?= false30 31# Prefix to the directories we're installing to32DESTDIR ?=33 34# --- CONFIGURATION END ---35 36# Directory definitions. These are default and most probably37# do not need to be changed. Please note that DESTDIR is38# added in front of any of them39 40bindir ?= /usr/bin41sbindir ?= /usr/sbin42mandir ?= /usr/man43 44# Toolchain: what tools do we use, and what options do they need:45 46INSTALL = /usr/bin/install -c47INSTALL_PROGRAM = ${INSTALL}48INSTALL_DATA = ${INSTALL} -m 64449INSTALL_SCRIPT = ${INSTALL_PROGRAM}50 51# If you are running a cross compiler, you may want to set this52# to something more interesting, like "arm-linux-". If you want53# to compile vs uClibc, that can be done here as well.54CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-55CROSS_COMPILE ?= $(CROSS)56LD = $(CC)57 58# check if compiler option is supported59cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}60 61# use '-Os' optimization if available, else use -O262OPTIMIZATION := $(call cc-supports,-Os,-O2)63 64WARNINGS := -Wall65WARNINGS += $(call cc-supports,-Wstrict-prototypes)66WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)67 68KERNEL_INCLUDE := $(OUTPUT)include69ACPICA_INCLUDE := $(srctree)/../../../drivers/acpi/acpica70CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE)71CFLAGS += $(WARNINGS)72MKDIR = mkdir73 74ifeq ($(strip $(V)),false)75 QUIET=@76 ECHO=@echo77else78 QUIET=79 ECHO=@\#80endif81 82# if DEBUG is enabled, then we do not strip or optimize83ifeq ($(strip $(DEBUG)),true)84 CFLAGS += -O1 -g -DDEBUG85 STRIPCMD = /bin/true -Since_we_are_debugging86else87 CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer88 STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment89endif90