1# Makefile for cpupower
2#
3# Copyright (C) 2005,2006 Dominik Brodowski <linux@dominikbrodowski.net>
4#
5# Based largely on the Makefile for udev by:
6#
7# Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
8#
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; version 2 of the License.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16# General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program; if not, write to the Free Software
20# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21#
22OUTPUT=./
23ifeq ("$(origin O)", "command line")
24	OUTPUT := $(O)/
25endif
26
27ifneq ($(OUTPUT),)
28# check that the output directory actually exists
29OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
30$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
31endif
32
33# --- CONFIGURATION BEGIN ---
34
35# Set the following to `true' to make a unstripped, unoptimized
36# binary. Leave this set to `false' for production use.
37DEBUG ?=	true
38
39# make the build silent. Set this to something else to make it noisy again.
40V ?=		false
41
42# Internationalization support (output in different languages).
43# Requires gettext.
44NLS ?=		true
45
46# Set the following to 'true' to build/install the
47# cpufreq-bench benchmarking tool
48CPUFREQ_BENCH ?= true
49
50# Prefix to the directories we're installing to
51DESTDIR ?=
52
53# --- CONFIGURATION END ---
54
55
56
57# Package-related definitions. Distributions can modify the version
58# and _should_ modify the PACKAGE_BUGREPORT definition
59
60VERSION=			$(shell ./utils/version-gen.sh)
61LIB_MAJ=			0.0.0
62LIB_MIN=			0
63
64PACKAGE =			cpupower
65PACKAGE_BUGREPORT =		linux-pm@vger.kernel.org
66LANGUAGES = 			de fr it cs pt
67
68
69# Directory definitions. These are default and most probably
70# do not need to be changed. Please note that DESTDIR is
71# added in front of any of them
72
73bindir ?=	/usr/bin
74sbindir ?=	/usr/sbin
75mandir ?=	/usr/man
76includedir ?=	/usr/include
77libdir ?=	/usr/lib
78localedir ?=	/usr/share/locale
79docdir ?=       /usr/share/doc/packages/cpupower
80confdir ?=      /etc/
81
82# Toolchain: what tools do we use, and what options do they need:
83
84CP = cp -fpR
85INSTALL = /usr/bin/install -c
86INSTALL_PROGRAM = ${INSTALL}
87INSTALL_DATA  = ${INSTALL} -m 644
88INSTALL_SCRIPT = ${INSTALL_PROGRAM}
89
90# If you are running a cross compiler, you may want to set this
91# to something more interesting, like "arm-linux-".  If you want
92# to compile vs uClibc, that can be done here as well.
93CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
94CC = $(CROSS)gcc
95LD = $(CROSS)gcc
96AR = $(CROSS)ar
97STRIP = $(CROSS)strip
98RANLIB = $(CROSS)ranlib
99HOSTCC = gcc
100MKDIR = mkdir
101
102
103# Now we set up the build system
104#
105
106# set up PWD so that older versions of make will work with our build.
107PWD = $(shell pwd)
108
109GMO_FILES = ${shell for HLANG in ${LANGUAGES}; do echo $(OUTPUT)po/$$HLANG.gmo; done;}
110
111export CROSS CC AR STRIP RANLIB CFLAGS LDFLAGS LIB_OBJS
112
113# check if compiler option is supported
114cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
115
116# use '-Os' optimization if available, else use -O2
117OPTIMIZATION := $(call cc-supports,-Os,-O2)
118
119WARNINGS := -Wall -Wchar-subscripts -Wpointer-arith -Wsign-compare
120WARNINGS += $(call cc-supports,-Wno-pointer-sign)
121WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)
122WARNINGS += -Wshadow
123
124CFLAGS += -DVERSION=\"$(VERSION)\" -DPACKAGE=\"$(PACKAGE)\" \
125		-DPACKAGE_BUGREPORT=\"$(PACKAGE_BUGREPORT)\" -D_GNU_SOURCE
126
127UTIL_OBJS =  utils/helpers/amd.o utils/helpers/topology.o utils/helpers/msr.o \
128	utils/helpers/sysfs.o utils/helpers/misc.o utils/helpers/cpuid.o \
129	utils/helpers/pci.o utils/helpers/bitmask.o \
130	utils/idle_monitor/nhm_idle.o utils/idle_monitor/snb_idle.o \
131	utils/idle_monitor/hsw_ext_idle.o \
132	utils/idle_monitor/amd_fam14h_idle.o utils/idle_monitor/cpuidle_sysfs.o \
133	utils/idle_monitor/mperf_monitor.o utils/idle_monitor/cpupower-monitor.o \
134	utils/cpupower.o utils/cpufreq-info.o utils/cpufreq-set.o \
135	utils/cpupower-set.o utils/cpupower-info.o utils/cpuidle-info.o \
136	utils/cpuidle-set.o
137
138UTIL_SRC := $(UTIL_OBJS:.o=.c)
139
140UTIL_OBJS := $(addprefix $(OUTPUT),$(UTIL_OBJS))
141
142UTIL_HEADERS = utils/helpers/helpers.h utils/idle_monitor/cpupower-monitor.h \
143	utils/helpers/bitmask.h \
144	utils/idle_monitor/idle_monitors.h utils/idle_monitor/idle_monitors.def
145
146LIB_HEADERS = 	lib/cpufreq.h lib/sysfs.h
147LIB_SRC = 	lib/cpufreq.c lib/sysfs.c
148LIB_OBJS = 	lib/cpufreq.o lib/sysfs.o
149LIB_OBJS :=	$(addprefix $(OUTPUT),$(LIB_OBJS))
150
151CFLAGS +=	-pipe
152
153ifeq ($(strip $(NLS)),true)
154	INSTALL_NLS += install-gmo
155	COMPILE_NLS += create-gmo
156	CFLAGS += -DNLS
157endif
158
159ifeq ($(strip $(CPUFREQ_BENCH)),true)
160	INSTALL_BENCH += install-bench
161	COMPILE_BENCH += compile-bench
162endif
163
164CFLAGS += $(WARNINGS)
165
166ifeq ($(strip $(V)),false)
167	QUIET=@
168	ECHO=@echo
169else
170	QUIET=
171	ECHO=@\#
172endif
173export QUIET ECHO
174
175# if DEBUG is enabled, then we do not strip or optimize
176ifeq ($(strip $(DEBUG)),true)
177	CFLAGS += -O1 -g -DDEBUG
178	STRIPCMD = /bin/true -Since_we_are_debugging
179else
180	CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
181	STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
182endif
183
184
185# the actual make rules
186
187all: libcpupower $(OUTPUT)cpupower $(COMPILE_NLS) $(COMPILE_BENCH)
188
189$(OUTPUT)lib/%.o: $(LIB_SRC) $(LIB_HEADERS)
190	$(ECHO) "  CC      " $@
191	$(QUIET) $(CC) $(CFLAGS) -fPIC -o $@ -c lib/$*.c
192
193$(OUTPUT)libcpupower.so.$(LIB_MAJ): $(LIB_OBJS)
194	$(ECHO) "  LD      " $@
195	$(QUIET) $(CC) -shared $(CFLAGS) $(LDFLAGS) -o $@ \
196		-Wl,-soname,libcpupower.so.$(LIB_MIN) $(LIB_OBJS)
197	@ln -sf $(@F) $(OUTPUT)libcpupower.so
198	@ln -sf $(@F) $(OUTPUT)libcpupower.so.$(LIB_MIN)
199
200libcpupower: $(OUTPUT)libcpupower.so.$(LIB_MAJ)
201
202# Let all .o files depend on its .c file and all headers
203# Might be worth to put this into utils/Makefile at some point of time
204$(UTIL_OBJS): $(UTIL_HEADERS)
205
206$(OUTPUT)%.o: %.c
207	$(ECHO) "  CC      " $@
208	$(QUIET) $(CC) $(CFLAGS) -I./lib -I ./utils -o $@ -c $*.c
209
210$(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)libcpupower.so.$(LIB_MAJ)
211	$(ECHO) "  CC      " $@
212	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -lrt -lpci -L$(OUTPUT) -o $@
213	$(QUIET) $(STRIPCMD) $@
214
215$(OUTPUT)po/$(PACKAGE).pot: $(UTIL_SRC)
216	$(ECHO) "  GETTEXT " $@
217	$(QUIET) xgettext --default-domain=$(PACKAGE) --add-comments \
218		--keyword=_ --keyword=N_ $(UTIL_SRC) -p $(@D) -o $(@F)
219
220$(OUTPUT)po/%.gmo: po/%.po
221	$(ECHO) "  MSGFMT  " $@
222	$(QUIET) msgfmt -o $@ po/$*.po
223
224create-gmo: ${GMO_FILES}
225
226update-po: $(OUTPUT)po/$(PACKAGE).pot
227	$(ECHO) "  MSGMRG  " $@
228	$(QUIET) @for HLANG in $(LANGUAGES); do \
229		echo -n "Updating $$HLANG "; \
230		if msgmerge po/$$HLANG.po $< -o \
231		   $(OUTPUT)po/$$HLANG.new.po; then \
232			mv -f $(OUTPUT)po/$$HLANG.new.po $(OUTPUT)po/$$HLANG.po; \
233		else \
234			echo "msgmerge for $$HLANG failed!"; \
235			rm -f $(OUTPUT)po/$$HLANG.new.po; \
236		fi; \
237	done;
238
239compile-bench: $(OUTPUT)libcpupower.so.$(LIB_MAJ)
240	@V=$(V) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT)
241
242# we compile into subdirectories. if the target directory is not the
243# source directory, they might not exists. So we depend the various
244# files onto their directories.
245DIRECTORY_DEPS = $(LIB_OBJS) $(UTIL_OBJS) $(GMO_FILES)
246$(DIRECTORY_DEPS): | $(sort $(dir $(DIRECTORY_DEPS)))
247
248# In the second step, we make a rule to actually create these directories
249$(sort $(dir $(DIRECTORY_DEPS))):
250	$(ECHO) "  MKDIR      " $@
251	$(QUIET) $(MKDIR) -p $@ 2>/dev/null
252
253clean:
254	-find $(OUTPUT) \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
255	 | xargs rm -f
256	-rm -f $(OUTPUT)cpupower
257	-rm -f $(OUTPUT)libcpupower.so*
258	-rm -rf $(OUTPUT)po/*.gmo
259	-rm -rf $(OUTPUT)po/*.pot
260	$(MAKE) -C bench O=$(OUTPUT) clean
261
262
263install-lib:
264	$(INSTALL) -d $(DESTDIR)${libdir}
265	$(CP) $(OUTPUT)libcpupower.so* $(DESTDIR)${libdir}/
266	$(INSTALL) -d $(DESTDIR)${includedir}
267	$(INSTALL_DATA) lib/cpufreq.h $(DESTDIR)${includedir}/cpufreq.h
268
269install-tools:
270	$(INSTALL) -d $(DESTDIR)${bindir}
271	$(INSTALL_PROGRAM) $(OUTPUT)cpupower $(DESTDIR)${bindir}
272
273install-man:
274	$(INSTALL_DATA) -D man/cpupower.1 $(DESTDIR)${mandir}/man1/cpupower.1
275	$(INSTALL_DATA) -D man/cpupower-frequency-set.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1
276	$(INSTALL_DATA) -D man/cpupower-frequency-info.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1
277	$(INSTALL_DATA) -D man/cpupower-idle-set.1 $(DESTDIR)${mandir}/man1/cpupower-idle-set.1
278	$(INSTALL_DATA) -D man/cpupower-idle-info.1 $(DESTDIR)${mandir}/man1/cpupower-idle-info.1
279	$(INSTALL_DATA) -D man/cpupower-set.1 $(DESTDIR)${mandir}/man1/cpupower-set.1
280	$(INSTALL_DATA) -D man/cpupower-info.1 $(DESTDIR)${mandir}/man1/cpupower-info.1
281	$(INSTALL_DATA) -D man/cpupower-monitor.1 $(DESTDIR)${mandir}/man1/cpupower-monitor.1
282
283install-gmo:
284	$(INSTALL) -d $(DESTDIR)${localedir}
285	for HLANG in $(LANGUAGES); do \
286		echo '$(INSTALL_DATA) -D $(OUTPUT)po/$$HLANG.gmo $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo'; \
287		$(INSTALL_DATA) -D $(OUTPUT)po/$$HLANG.gmo $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \
288	done;
289
290install-bench:
291	@#DESTDIR must be set from outside to survive
292	@sbindir=$(sbindir) bindir=$(bindir) docdir=$(docdir) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT) install
293
294install: all install-lib install-tools install-man $(INSTALL_NLS) $(INSTALL_BENCH)
295
296uninstall:
297	- rm -f $(DESTDIR)${libdir}/libcpupower.*
298	- rm -f $(DESTDIR)${includedir}/cpufreq.h
299	- rm -f $(DESTDIR)${bindir}/utils/cpupower
300	- rm -f $(DESTDIR)${mandir}/man1/cpupower.1
301	- rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1
302	- rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1
303	- rm -f $(DESTDIR)${mandir}/man1/cpupower-set.1
304	- rm -f $(DESTDIR)${mandir}/man1/cpupower-info.1
305	- rm -f $(DESTDIR)${mandir}/man1/cpupower-monitor.1
306	- for HLANG in $(LANGUAGES); do \
307		rm -f $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \
308	  done;
309
310.PHONY: all utils libcpupower update-po create-gmo install-lib install-tools install-man install-gmo install uninstall clean
311