1# SPDX-License-Identifier: GPL-2.0-only 2# tools/power/acpi/Makefile.config - ACPI tool Makefile 3# 4# Copyright (c) 2015, Intel Corporation 5# 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)) 12endif 13 14include $(srctree)/../../scripts/Makefile.include 15 16OUTPUT=$(srctree)/ 17ifeq ("$(origin O)", "command line") 18 OUTPUT := $(O)/power/acpi/ 19endif 20#$(info Determined 'OUTPUT' to be $(OUTPUT)) 21 22# --- CONFIGURATION BEGIN --- 23 24# Set the following to `true' to make a unstripped, unoptimized 25# binary. Leave this set to `false' for production use. 26DEBUG ?= true 27 28# make the build silent. Set this to something else to make it noisy again. 29V ?= false 30 31# Prefix to the directories we're installing to 32DESTDIR ?= 33 34# --- CONFIGURATION END --- 35 36# Directory definitions. These are default and most probably 37# do not need to be changed. Please note that DESTDIR is 38# added in front of any of them 39 40bindir ?= /usr/bin 41sbindir ?= /usr/sbin 42mandir ?= /usr/man 43 44# Toolchain: what tools do we use, and what options do they need: 45 46INSTALL = /usr/bin/install -c 47INSTALL_PROGRAM = ${INSTALL} 48INSTALL_DATA = ${INSTALL} -m 644 49INSTALL_SCRIPT = ${INSTALL_PROGRAM} 50 51# If you are running a cross compiler, you may want to set this 52# to something more interesting, like "arm-linux-". If you want 53# 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) 57HOSTCC = gcc 58 59# check if compiler option is supported 60cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;} 61 62# use '-Os' optimization if available, else use -O2 63OPTIMIZATION := $(call cc-supports,-Os,-O2) 64 65WARNINGS := -Wall 66WARNINGS += $(call cc-supports,-Wstrict-prototypes) 67WARNINGS += $(call cc-supports,-Wdeclaration-after-statement) 68 69KERNEL_INCLUDE := $(OUTPUT)include 70ACPICA_INCLUDE := $(srctree)/../../../drivers/acpi/acpica 71CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE) 72CFLAGS += $(WARNINGS) 73 74ifeq ($(strip $(V)),false) 75 QUIET=@ 76 ECHO=@echo 77else 78 QUIET= 79 ECHO=@\# 80endif 81 82# if DEBUG is enabled, then we do not strip or optimize 83ifeq ($(strip $(DEBUG)),true) 84 CFLAGS += -O1 -g -DDEBUG 85 STRIPCMD = /bin/true -Since_we_are_debugging 86else 87 CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer 88 STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment 89endif 90