1 # tools/power/acpi/Makefile.config - ACPI tool Makefile
3 # Copyright (c) 2015, Intel Corporation
4 # Author: Lv Zheng <lv.zheng@intel.com>
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
12 srctree := $(patsubst %/,%,$(dir $(shell pwd)))
13 srctree := $(patsubst %/,%,$(dir $(srctree)))
14 #$(info Determined 'srctree' to be $(srctree))
17 include $(srctree)/../../scripts/Makefile.include
20 ifeq ("$(origin O)", "command line")
21 OUTPUT := $(O)/power/acpi/
23 #$(info Determined 'OUTPUT' to be $(OUTPUT))
25 # --- CONFIGURATION BEGIN ---
27 # Set the following to `true' to make a unstripped, unoptimized
28 # binary. Leave this set to `false' for production use.
31 # make the build silent. Set this to something else to make it noisy again.
34 # Prefix to the directories we're installing to
37 # --- CONFIGURATION END ---
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
47 # Toolchain: what tools do we use, and what options do they need:
49 INSTALL = /usr/bin/install -c
50 INSTALL_PROGRAM = ${INSTALL}
51 INSTALL_DATA = ${INSTALL} -m 644
52 INSTALL_SCRIPT = ${INSTALL_PROGRAM}
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.
57 CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
58 CROSS_COMPILE ?= $(CROSS)
59 CC = $(CROSS_COMPILE)gcc
60 LD = $(CROSS_COMPILE)gcc
61 STRIP = $(CROSS_COMPILE)strip
64 # check if compiler option is supported
65 cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
67 # use '-Os' optimization if available, else use -O2
68 OPTIMIZATION := $(call cc-supports,-Os,-O2)
71 WARNINGS += $(call cc-supports,-Wstrict-prototypes)
72 WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)
74 KERNEL_INCLUDE := $(OUTPUT)include
75 ACPICA_INCLUDE := $(srctree)/../../../drivers/acpi/acpica
76 CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE)
79 ifeq ($(strip $(V)),false)
87 # if DEBUG is enabled, then we do not strip or optimize
88 ifeq ($(strip $(DEBUG)),true)
89 CFLAGS += -O1 -g -DDEBUG
90 STRIPCMD = /bin/true -Since_we_are_debugging
92 CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
93 STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment