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 =		cpufreq@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/amd_fam14h_idle.o utils/idle_monitor/cpuidle_sysfs.o \
132	utils/idle_monitor/mperf_monitor.o utils/idle_monitor/cpupower-monitor.o \
133	utils/cpupower.o utils/cpufreq-info.o utils/cpufreq-set.o \
134	utils/cpupower-set.o utils/cpupower-info.o utils/cpuidle-info.o
135
136UTIL_SRC := $(UTIL_OBJS:.o=.c)
137
138UTIL_OBJS := $(addprefix $(OUTPUT),$(UTIL_OBJS))
139
140UTIL_HEADERS = utils/helpers/helpers.h utils/idle_monitor/cpupower-monitor.h \
141	utils/helpers/bitmask.h \
142	utils/idle_monitor/idle_monitors.h utils/idle_monitor/idle_monitors.def
143
144LIB_HEADERS = 	lib/cpufreq.h lib/sysfs.h
145LIB_SRC = 	lib/cpufreq.c lib/sysfs.c
146LIB_OBJS = 	lib/cpufreq.o lib/sysfs.o
147LIB_OBJS :=	$(addprefix $(OUTPUT),$(LIB_OBJS))
148
149CFLAGS +=	-pipe
150
151ifeq ($(strip $(NLS)),true)
152	INSTALL_NLS += install-gmo
153	COMPILE_NLS += create-gmo
154	CFLAGS += -DNLS
155endif
156
157ifeq ($(strip $(CPUFREQ_BENCH)),true)
158	INSTALL_BENCH += install-bench
159	COMPILE_BENCH += compile-bench
160endif
161
162CFLAGS += $(WARNINGS)
163
164ifeq ($(strip $(V)),false)
165	QUIET=@
166	ECHO=@echo
167else
168	QUIET=
169	ECHO=@\#
170endif
171export QUIET ECHO
172
173# if DEBUG is enabled, then we do not strip or optimize
174ifeq ($(strip $(DEBUG)),true)
175	CFLAGS += -O1 -g -DDEBUG
176	STRIPCMD = /bin/true -Since_we_are_debugging
177else
178	CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
179	STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
180endif
181
182
183# the actual make rules
184
185all: libcpupower $(OUTPUT)cpupower $(COMPILE_NLS) $(COMPILE_BENCH)
186
187$(OUTPUT)lib/%.o: $(LIB_SRC) $(LIB_HEADERS)
188	$(ECHO) "  CC      " $@
189	$(QUIET) $(CC) $(CFLAGS) -fPIC -o $@ -c lib/$*.c
190
191$(OUTPUT)libcpupower.so.$(LIB_MAJ): $(LIB_OBJS)
192	$(ECHO) "  LD      " $@
193	$(QUIET) $(CC) -shared $(CFLAGS) $(LDFLAGS) -o $@ \
194		-Wl,-soname,libcpupower.so.$(LIB_MIN) $(LIB_OBJS)
195	@ln -sf $(@F) $(OUTPUT)libcpupower.so
196	@ln -sf $(@F) $(OUTPUT)libcpupower.so.$(LIB_MIN)
197
198libcpupower: $(OUTPUT)libcpupower.so.$(LIB_MAJ)
199
200# Let all .o files depend on its .c file and all headers
201# Might be worth to put this into utils/Makefile at some point of time
202$(UTIL_OBJS): $(UTIL_HEADERS)
203
204$(OUTPUT)%.o: %.c
205	$(ECHO) "  CC      " $@
206	$(QUIET) $(CC) $(CFLAGS) -I./lib -I ./utils -o $@ -c $*.c
207
208$(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)libcpupower.so.$(LIB_MAJ)
209	$(ECHO) "  CC      " $@
210	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -lrt -lpci -L$(OUTPUT) -o $@
211	$(QUIET) $(STRIPCMD) $@
212
213$(OUTPUT)po/$(PACKAGE).pot: $(UTIL_SRC)
214	$(ECHO) "  GETTEXT " $@
215	$(QUIET) xgettext --default-domain=$(PACKAGE) --add-comments \
216		--keyword=_ --keyword=N_ $(UTIL_SRC) -p $(@D) -o $(@F)
217
218$(OUTPUT)po/%.gmo: po/%.po
219	$(ECHO) "  MSGFMT  " $@
220	$(QUIET) msgfmt -o $@ po/$*.po
221
222create-gmo: ${GMO_FILES}
223
224update-po: $(OUTPUT)po/$(PACKAGE).pot
225	$(ECHO) "  MSGMRG  " $@
226	$(QUIET) @for HLANG in $(LANGUAGES); do \
227		echo -n "Updating $$HLANG "; \
228		if msgmerge po/$$HLANG.po $< -o \
229		   $(OUTPUT)po/$$HLANG.new.po; then \
230			mv -f $(OUTPUT)po/$$HLANG.new.po $(OUTPUT)po/$$HLANG.po; \
231		else \
232			echo "msgmerge for $$HLANG failed!"; \
233			rm -f $(OUTPUT)po/$$HLANG.new.po; \
234		fi; \
235	done;
236
237compile-bench: $(OUTPUT)libcpupower.so.$(LIB_MAJ)
238	@V=$(V) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT)
239
240# we compile into subdirectories. if the target directory is not the
241# source directory, they might not exists. So we depend the various
242# files onto their directories.
243DIRECTORY_DEPS = $(LIB_OBJS) $(UTIL_OBJS) $(GMO_FILES)
244$(DIRECTORY_DEPS): | $(sort $(dir $(DIRECTORY_DEPS)))
245
246# In the second step, we make a rule to actually create these directories
247$(sort $(dir $(DIRECTORY_DEPS))):
248	$(ECHO) "  MKDIR      " $@
249	$(QUIET) $(MKDIR) -p $@ 2>/dev/null
250
251clean:
252	-find $(OUTPUT) \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
253	 | xargs rm -f
254	-rm -f $(OUTPUT)cpupower
255	-rm -f $(OUTPUT)libcpupower.so*
256	-rm -rf $(OUTPUT)po/*.{gmo,pot}
257	$(MAKE) -C bench O=$(OUTPUT) clean
258
259
260install-lib:
261	$(INSTALL) -d $(DESTDIR)${libdir}
262	$(CP) $(OUTPUT)libcpupower.so* $(DESTDIR)${libdir}/
263	$(INSTALL) -d $(DESTDIR)${includedir}
264	$(INSTALL_DATA) lib/cpufreq.h $(DESTDIR)${includedir}/cpufreq.h
265
266install-tools:
267	$(INSTALL) -d $(DESTDIR)${bindir}
268	$(INSTALL_PROGRAM) $(OUTPUT)cpupower $(DESTDIR)${bindir}
269
270install-man:
271	$(INSTALL_DATA) -D man/cpupower.1 $(DESTDIR)${mandir}/man1/cpupower.1
272	$(INSTALL_DATA) -D man/cpupower-frequency-set.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1
273	$(INSTALL_DATA) -D man/cpupower-frequency-info.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1
274	$(INSTALL_DATA) -D man/cpupower-set.1 $(DESTDIR)${mandir}/man1/cpupower-set.1
275	$(INSTALL_DATA) -D man/cpupower-info.1 $(DESTDIR)${mandir}/man1/cpupower-info.1
276	$(INSTALL_DATA) -D man/cpupower-monitor.1 $(DESTDIR)${mandir}/man1/cpupower-monitor.1
277
278install-gmo:
279	$(INSTALL) -d $(DESTDIR)${localedir}
280	for HLANG in $(LANGUAGES); do \
281		echo '$(INSTALL_DATA) -D $(OUTPUT)po/$$HLANG.gmo $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo'; \
282		$(INSTALL_DATA) -D $(OUTPUT)po/$$HLANG.gmo $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \
283	done;
284
285install-bench:
286	@#DESTDIR must be set from outside to survive
287	@sbindir=$(sbindir) bindir=$(bindir) docdir=$(docdir) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT) install
288
289install: all install-lib install-tools install-man $(INSTALL_NLS) $(INSTALL_BENCH)
290
291uninstall:
292	- rm -f $(DESTDIR)${libdir}/libcpupower.*
293	- rm -f $(DESTDIR)${includedir}/cpufreq.h
294	- rm -f $(DESTDIR)${bindir}/utils/cpupower
295	- rm -f $(DESTDIR)${mandir}/man1/cpufreq-set.1
296	- rm -f $(DESTDIR)${mandir}/man1/cpufreq-info.1
297	- for HLANG in $(LANGUAGES); do \
298		rm -f $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \
299	  done;
300
301.PHONY: all utils libcpupower update-po create-gmo install-lib install-tools install-man install-gmo install uninstall clean
302