1# tools/power/acpi/Makefile.config - ACPI tool Makefile 2# 3# Copyright (c) 2015, Intel Corporation 4# Author: Lv Zheng <lv.zheng@intel.com> 5# 6# This program is free software; you can redistribute it and/or 7# modify it under the terms of the GNU General Public License 8# as published by the Free Software Foundation; version 2 9# of the License. 10 11ifeq ($(srctree),) 12srctree := $(patsubst %/,%,$(dir $(shell pwd))) 13srctree := $(patsubst %/,%,$(dir $(srctree))) 14#$(info Determined 'srctree' to be $(srctree)) 15endif 16 17include $(srctree)/../../scripts/Makefile.include 18 19OUTPUT=$(srctree)/ 20ifeq ("$(origin O)", "command line") 21 OUTPUT := $(O)/power/acpi/ 22endif 23#$(info Determined 'OUTPUT' to be $(OUTPUT)) 24 25# --- CONFIGURATION BEGIN --- 26 27# Set the following to `true' to make a unstripped, unoptimized 28# binary. Leave this set to `false' for production use. 29DEBUG ?= true 30 31# make the build silent. Set this to something else to make it noisy again. 32V ?= false 33 34# Prefix to the directories we're installing to 35DESTDIR ?= 36 37# --- CONFIGURATION END --- 38 39# Directory definitions. These are default and most probably 40# do not need to be changed. Please note that DESTDIR is 41# added in front of any of them 42 43bindir ?= /usr/bin 44sbindir ?= /usr/sbin 45mandir ?= /usr/man 46 47# Toolchain: what tools do we use, and what options do they need: 48 49INSTALL = /usr/bin/install -c 50INSTALL_PROGRAM = ${INSTALL} 51INSTALL_DATA = ${INSTALL} -m 644 52INSTALL_SCRIPT = ${INSTALL_PROGRAM} 53 54# If you are running a cross compiler, you may want to set this 55# to something more interesting, like "arm-linux-". If you want 56# to compile vs uClibc, that can be done here as well. 57CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc- 58CROSS_COMPILE ?= $(CROSS) 59CC = $(CROSS_COMPILE)gcc 60LD = $(CROSS_COMPILE)gcc 61STRIP = $(CROSS_COMPILE)strip 62HOSTCC = gcc 63 64# check if compiler option is supported 65cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;} 66 67# use '-Os' optimization if available, else use -O2 68OPTIMIZATION := $(call cc-supports,-Os,-O2) 69 70WARNINGS := -Wall 71WARNINGS += $(call cc-supports,-Wstrict-prototypes) 72WARNINGS += $(call cc-supports,-Wdeclaration-after-statement) 73 74KERNEL_INCLUDE := $(OUTPUT)include 75ACPICA_INCLUDE := $(srctree)/../../../drivers/acpi/acpica 76CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE) 77CFLAGS += $(WARNINGS) 78 79ifeq ($(strip $(V)),false) 80 QUIET=@ 81 ECHO=@echo 82else 83 QUIET= 84 ECHO=@\# 85endif 86 87# if DEBUG is enabled, then we do not strip or optimize 88ifeq ($(strip $(DEBUG)),true) 89 CFLAGS += -O1 -g -DDEBUG 90 STRIPCMD = /bin/true -Since_we_are_debugging 91else 92 CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer 93 STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment 94endif 95