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