ACPI: Integrate tools/power/acpi Makefile into tools Makefile.

index bafeb8d..d9186a2 100644
@@ -1,18 +1,143 @@
-PROG= acpidump
-SRCS=	acpidump.c
+# tools/power/acpi/Makefile - ACPI tool Makefile
+#
+# Copyright (c) 2013, Intel Corporation
+#   Author: Lv Zheng <[email protected]>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; version 2
+# of the License.
+
+OUTPUT=./
+ifeq ("$(origin O)", "command line")
+	OUTPUT := $(O)/
+endif
+
+ifneq ($(OUTPUT),)
+# check that the output directory actually exists
+OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
+$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
+endif
+
+# --- CONFIGURATION BEGIN ---
+
+# Set the following to `true' to make a unstripped, unoptimized
+# binary. Leave this set to `false' for production use.
+DEBUG ?=	true
+
+# make the build silent. Set this to something else to make it noisy again.
+V ?=		false
+
+# Prefix to the directories we're installing to
+DESTDIR ?=
+
+# --- CONFIGURATION END ---
+
+# Directory definitions. These are default and most probably
+# do not need to be changed. Please note that DESTDIR is
+# added in front of any of them
+
+bindir ?=	/usr/bin
+sbindir ?=	/usr/sbin
+mandir ?=	/usr/man
+
+# Toolchain: what tools do we use, and what options do they need:
+
+INSTALL = /usr/bin/install -c
+INSTALL_PROGRAM = ${INSTALL}
+INSTALL_DATA  = ${INSTALL} -m 644
+INSTALL_SCRIPT = ${INSTALL_PROGRAM}
+
+# If you are running a cross compiler, you may want to set this
+# to something more interesting, like "arm-linux-".  If you want
+# to compile vs uClibc, that can be done here as well.
+CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
+CC = $(CROSS)gcc
+LD = $(CROSS)gcc
+STRIP = $(CROSS)strip
+HOSTCC = gcc
+
+# check if compiler option is supported
+cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
+
+# use '-Os' optimization if available, else use -O2
+OPTIMIZATION := $(call cc-supports,-Os,-O2)
+
+WARNINGS := -Wall
+WARNINGS += $(call cc-supports,-Wstrict-prototypes)
+WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)
+
 KERNEL_INCLUDE := ../../../include
-CFLAGS += -Wall -Wstrict-prototypes -Wdeclaration-after-statement -Os -s -D_LINUX -DDEFINE_ALTERNATE_TYPES -I$(KERNEL_INCLUDE) 
+CFLAGS += -D_LINUX -DDEFINE_ALTERNATE_TYPES -I$(KERNEL_INCLUDE)
+CFLAGS += $(WARNINGS)
+
+ifeq ($(strip $(V)),false)
+	QUIET=@
+	ECHO=@echo
+else
+	QUIET=
+	ECHO=@\#
+endif
+export QUIET ECHO
+
+# if DEBUG is enabled, then we do not strip or optimize
+ifeq ($(strip $(DEBUG)),true)
+	CFLAGS += -O1 -g -DDEBUG
+	STRIPCMD = /bin/true -Since_we_are_debugging
+else
+	CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
+	STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
+endif
+
+# if DEBUG is enabled, then we do not strip or optimize
+ifeq ($(strip $(DEBUG)),true)
+	CFLAGS += -O1 -g -DDEBUG
+	STRIPCMD = /bin/true -Since_we_are_debugging
+else
+	CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
+	STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
+endif
+
+# --- ACPIDUMP BEGIN ---
+
+vpath %.c \
+	tools/acpidump
+
+DUMP_OBJS = \
+	acpidump.o
+
+DUMP_OBJS := $(addprefix $(OUTPUT)tools/acpidump/,$(DUMP_OBJS))
+
+$(OUTPUT)acpidump: $(DUMP_OBJS)
+	$(ECHO) "  LD      " $@
+	$(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $(DUMP_OBJS) -L$(OUTPUT) -o $@
+	$(QUIET) $(STRIPCMD) $@
+
+$(OUTPUT)tools/acpidump/%.o: %.c
+	$(ECHO) "  CC      " $@
+	$(QUIET) $(CC) -c $(CFLAGS) -o $@ $<
+
+# --- ACPIDUMP END ---
+
+all: $(OUTPUT)acpidump
+	echo $(OUTPUT)
+
+clean:
+	-find $(OUTPUT) \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
+	 | xargs rm -f
+	-rm -f $(OUTPUT)acpidump
 
-all: acpidump
-$(PROG) : $(SRCS)
-	$(CC) $(CFLAGS) $(SRCS) -o $(PROG)
+install-tools:
+	$(INSTALL) -d $(DESTDIR)${bindir}
+	$(INSTALL_PROGRAM) $(OUTPUT)acpidump $(DESTDIR)${sbindir}
 
-CLEANFILES= $(PROG)
+install-man:
+	$(INSTALL_DATA) -D man/acpidump.8 $(DESTDIR)${mandir}/man8/acpidump.8
 
-clean : 
-	rm -f $(CLEANFILES) $(patsubst %.c,%.o, $(SRCS)) *~
+install: all install-tools install-man
 
-install :
-	install acpidump /usr/sbin/acpidump
-	install acpidump.8 /usr/share/man/man8
+uninstall:
+	- rm -f $(DESTDIR)${sbindir}/acpidump
+	- rm -f $(DESTDIR)${mandir}/man8/acpidump.8
 
+.PHONY: all utils install-tools install-man install uninstall clean

similarity index 100%
rename from tools/power/acpi/acpidump.8
rename to tools/power/acpi/man/acpidump.8

index a9b0200..ecdc2f8 100644
@@ -3,6 +3,7 @@ include scripts/Makefile.include
 help:
 	@echo 'Possible targets:'
 	@echo ''
+	@echo '  acpi       - ACPI tools'
 	@echo '  cgroup     - cgroup tools'
 	@echo '  cpupower   - a tool for all things x86 CPU power'
 	@echo '  firewire   - the userspace part of nosy, an IEEE-1394 traffic sniffer'

@@ -33,6 +34,9 @@ help:
 	@echo '    the respective build directory.'
 	@echo '  clean: a summary clean target to clean _all_ folders'
 
+acpi: FORCE
+	$(call descend,power/$@)
+
 cpupower: FORCE
 	$(call descend,power/$@)
 

@@ -54,6 +58,9 @@ turbostat x86_energy_perf_policy: FORCE
 tmon: FORCE
 	$(call descend,thermal/$@)
 
+acpi_install:
+	$(call descend,power/$(@:_install=),install)
+
 cpupower_install:
 	$(call descend,power/$(@:_install=),install)
 

@@ -69,11 +76,14 @@ turbostat_install x86_energy_perf_policy_install:
 tmon_install:
 	$(call descend,thermal/$(@:_install=),install)
 
-install: cgroup_install cpupower_install firewire_install lguest_install \
+install: acpi_install cgroup_install cpupower_install firewire_install lguest_install \
 		perf_install selftests_install turbostat_install usb_install \
 		virtio_install vm_install net_install x86_energy_perf_policy_install \
 	tmon
 
+acpi_clean:
+	$(call descend,power/acpi,clean)
+
 cpupower_clean:
 	$(call descend,power/cpupower,clean)
 

@@ -95,8 +105,8 @@ turbostat_clean x86_energy_perf_policy_clean:
 tmon_clean:
 	$(call descend,thermal/tmon,clean)
 
-clean: cgroup_clean cpupower_clean firewire_clean lguest_clean perf_clean \
-		selftests_clean turbostat_clean usb_clean virtio_clean \
+clean: acpi_clean cgroup_clean cpupower_clean firewire_clean lguest_clean \
+		perf_clean selftests_clean turbostat_clean usb_clean virtio_clean \
 		vm_clean net_clean x86_energy_perf_policy_clean tmon_clean
 
 .PHONY: FORCE

index 31a0462..b8cae76 100644
@@ -252,6 +252,7 @@ F:	Documentation/ABI/testing/sysfs-bus-acpi
 F:	drivers/pci/*acpi*
 F:	drivers/pci/*/*acpi*
 F:	drivers/pci/*/*/*acpi*
+F:	tools/power/acpi
 
 ACPI COMPONENT ARCHITECTURE (ACPICA)
 M:	Robert Moore <[email protected]>

@@ -266,6 +267,7 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
 S:	Supported
 F:	drivers/acpi/acpica/
 F:	include/acpi/
+F:	tools/power/acpi/
 
 ACPI FAN DRIVER
 M:	Zhang Rui <[email protected]>