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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 | ||
11 | include ../../../../scripts/Makefile.include | |
12 | ||
13 | OUTPUT=./ | |
14 | ifeq ("$(origin O)", "command line") | |
15 | OUTPUT := $(O)/ | |
16 | endif | |
17 | ||
18 | ifneq ($(OUTPUT),) | |
19 | # check that the output directory actually exists | |
20 | OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd) | |
21 | $(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist)) | |
22 | endif | |
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. | |
28 | DEBUG ?= true | |
29 | ||
30 | # make the build silent. Set this to something else to make it noisy again. | |
31 | V ?= false | |
32 | ||
33 | # Prefix to the directories we're installing to | |
34 | DESTDIR ?= | |
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 | ||
42 | bindir ?= /usr/bin | |
43 | sbindir ?= /usr/sbin | |
44 | mandir ?= /usr/man | |
45 | ||
46 | # Toolchain: what tools do we use, and what options do they need: | |
47 | ||
48 | INSTALL = /usr/bin/install -c | |
49 | INSTALL_PROGRAM = ${INSTALL} | |
50 | INSTALL_DATA = ${INSTALL} -m 644 | |
51 | INSTALL_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. | |
56 | CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc- | |
a3bcf2d4 AS |
57 | CROSS_COMPILE ?= $(CROSS) |
58 | CC = $(CROSS_COMPILE)gcc | |
59 | LD = $(CROSS_COMPILE)gcc | |
60 | STRIP = $(CROSS_COMPILE)strip | |
391fc234 LZ |
61 | HOSTCC = gcc |
62 | ||
63 | # check if compiler option is supported | |
64 | cc-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 | |
67 | OPTIMIZATION := $(call cc-supports,-Os,-O2) | |
68 | ||
69 | WARNINGS := -Wall | |
70 | WARNINGS += $(call cc-supports,-Wstrict-prototypes) | |
71 | WARNINGS += $(call cc-supports,-Wdeclaration-after-statement) | |
72 | ||
73 | KERNEL_INCLUDE := ../../../include | |
74 | ACPICA_INCLUDE := ../../../drivers/acpi/acpica | |
75 | CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE) | |
76 | CFLAGS += $(WARNINGS) | |
77 | ||
78 | ifeq ($(strip $(V)),false) | |
79 | QUIET=@ | |
80 | ECHO=@echo | |
81 | else | |
82 | QUIET= | |
83 | ECHO=@\# | |
84 | endif | |
85 | ||
86 | # if DEBUG is enabled, then we do not strip or optimize | |
87 | ifeq ($(strip $(DEBUG)),true) | |
88 | CFLAGS += -O1 -g -DDEBUG | |
89 | STRIPCMD = /bin/true -Since_we_are_debugging | |
90 | else | |
91 | CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer | |
92 | STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment | |
93 | endif |