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
8 ifeq ($(srctree),)
9 srctree := $(patsubst %/,%,$(dir $(shell pwd)))
10 srctree := $(patsubst %/,%,$(dir $(srctree)))
11 #$(info Determined 'srctree' to be $(srctree))
12 endif
13
14 include $(srctree)/../../scripts/Makefile.include
15
16 OUTPUT=$(srctree)/
17 ifeq ("$(origin O)", "command line")
18 OUTPUT := $(O)/tools/power/acpi/
19 endif
20 #$(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.
26 DEBUG ?= true
27
28 # make the build silent. Set this to something else to make it noisy again.
29 V ?= false
30
31 # Prefix to the directories we're installing to
32 DESTDIR ?=
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
40 bindir ?= /usr/bin
41 sbindir ?= /usr/sbin
42 mandir ?= /usr/man
43
44 # Toolchain: what tools do we use, and what options do they need:
45
46 INSTALL = /usr/bin/install -c
47 INSTALL_PROGRAM = ${INSTALL}
48 INSTALL_DATA = ${INSTALL} -m 644
49 INSTALL_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.
54 CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
55 CROSS_COMPILE ?= $(CROSS)
56 LD = $(CC)
57
58 # check if compiler option is supported
59 cc-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 -O2
62 OPTIMIZATION := $(call cc-supports,-Os,-O2)
63
64 WARNINGS := -Wall
65 WARNINGS += $(call cc-supports,-Wstrict-prototypes)
66 WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)
67
68 KERNEL_INCLUDE := $(OUTPUT)include
69 ACPICA_INCLUDE := $(srctree)/../../../drivers/acpi/acpica
70 CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE)
71 CFLAGS += $(WARNINGS)
72 MKDIR = mkdir
73
74 ifeq ($(strip $(V)),false)
75 QUIET=@
76 ECHO=@echo
77 else
78 QUIET=
79 ECHO=@\#
80 endif
81
82 # if DEBUG is enabled, then we do not strip or optimize
83 ifeq ($(strip $(DEBUG)),true)
84 CFLAGS += -O1 -g -DDEBUG
85 STRIPCMD = /bin/true -Since_we_are_debugging
86 else
87 CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
88 STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
89 endif
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