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linux
1# SPDX-License-Identifier: GPL-2.0-only
2# Makefile for cpupower
3#
4# Copyright (C) 2005,2006 Dominik Brodowski <linux@dominikbrodowski.net>
5# Copyright (C) 2025 Francesco Poli <invernomuto@paranoici.org>
6#
7# Based largely on the Makefile for udev by:
8#
9# Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
10#
11OUTPUT=./
12ifeq ("$(origin O)", "command line")
13 OUTPUT := $(O)/
14endif
15
16ifneq ($(OUTPUT),)
17# check that the output directory actually exists
18OUTDIR := $(shell cd $(OUTPUT) && pwd)
19$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
20endif
21
22
23# --- CONFIGURATION BEGIN ---
24
25# Set the following to `true' to make a unstripped, unoptimized
26# binary. Leave this set to `false' for production use.
27DEBUG ?= true
28
29# make the build silent. Set this to something else to make it noisy again.
30V ?= false
31
32# Internationalization support (output in different languages).
33# Requires gettext.
34NLS ?= true
35
36# Set the following to 'true' to build/install the
37# cpufreq-bench benchmarking tool
38CPUFREQ_BENCH ?= true
39
40# Build the code, including libraries, statically.
41export STATIC ?= false
42
43# Prefix to the directories we're installing to
44DESTDIR ?=
45
46# --- CONFIGURATION END ---
47
48
49
50# Package-related definitions. Distributions can modify the version
51# and _should_ modify the PACKAGE_BUGREPORT definition
52
53VERSION:= $(shell ./utils/version-gen.sh)
54LIB_FIX= 1
55LIB_MIN= 0
56LIB_MAJ= 1
57LIB_VER= $(LIB_MAJ).$(LIB_MIN).$(LIB_FIX)
58
59
60PACKAGE = cpupower
61PACKAGE_BUGREPORT = linux-pm@vger.kernel.org
62LANGUAGES = de fr it cs pt ka zh_CN
63
64
65# Directory definitions. These are default and most probably
66# do not need to be changed. Please note that DESTDIR is
67# added in front of any of them
68
69bindir ?= /usr/bin
70sbindir ?= /usr/sbin
71mandir ?= /usr/man
72libdir ?= /usr/lib
73libexecdir ?= /usr/libexec
74unitdir ?= /usr/lib/systemd/system
75includedir ?= /usr/include
76localedir ?= /usr/share/locale
77docdir ?= /usr/share/doc/packages/cpupower
78confdir ?= /etc/
79bash_completion_dir ?= /usr/share/bash-completion/completions
80
81# Toolchain: what tools do we use, and what options do they need:
82
83CP = cp -fpR
84INSTALL = /usr/bin/install -c
85INSTALL_PROGRAM = ${INSTALL}
86INSTALL_DATA = ${INSTALL} -m 644
87SETPERM_DATA = chmod 644
88#bash completion scripts get sourced and so they should be rw only.
89INSTALL_SCRIPT = ${INSTALL} -m 644
90
91# If you are running a cross compiler, you may want to set this
92# to something more interesting, like "arm-linux-". If you want
93# to compile vs uClibc, that can be done here as well.
94CROSS ?= #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
95ifneq ($(CROSS), )
96CC = $(CROSS)gcc
97LD = $(CROSS)gcc
98AR = $(CROSS)ar
99STRIP = $(CROSS)strip
100RANLIB = $(CROSS)ranlib
101else
102CC ?= $(CROSS)gcc
103LD ?= $(CROSS)gcc
104AR ?= $(CROSS)ar
105STRIP ?= $(CROSS)strip
106RANLIB ?= $(CROSS)ranlib
107endif
108HOSTCC = gcc
109MKDIR = mkdir
110
111# Now we set up the build system
112#
113
114GMO_FILES = ${shell for HLANG in ${LANGUAGES}; do echo $(OUTPUT)po/$$HLANG.gmo; done;}
115
116export CROSS CC AR STRIP RANLIB CFLAGS LDFLAGS LIB_OBJS
117
118# check if compiler option is supported
119cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
120
121# use '-Os' optimization if available, else use -O2
122OPTIMIZATION := $(call cc-supports,-Os,-O2)
123
124WARNINGS := -Wall -Wchar-subscripts -Wpointer-arith -Wsign-compare
125WARNINGS += $(call cc-supports,-Wno-pointer-sign)
126WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)
127WARNINGS += -Wshadow
128
129override CFLAGS += -DVERSION=\"$(VERSION)\" -DPACKAGE=\"$(PACKAGE)\" \
130 -DPACKAGE_BUGREPORT=\"$(PACKAGE_BUGREPORT)\" -D_GNU_SOURCE
131
132UTIL_OBJS = utils/helpers/amd.o utils/helpers/msr.o \
133 utils/helpers/sysfs.o utils/helpers/misc.o utils/helpers/cpuid.o \
134 utils/helpers/pci.o utils/helpers/bitmask.o \
135 utils/idle_monitor/nhm_idle.o utils/idle_monitor/snb_idle.o \
136 utils/idle_monitor/hsw_ext_idle.o \
137 utils/idle_monitor/amd_fam14h_idle.o utils/idle_monitor/cpuidle_sysfs.o \
138 utils/idle_monitor/mperf_monitor.o utils/idle_monitor/cpupower-monitor.o \
139 utils/idle_monitor/rapl_monitor.o \
140 utils/cpupower.o utils/cpufreq-info.o utils/cpufreq-set.o \
141 utils/cpupower-set.o utils/cpupower-info.o utils/cpuidle-info.o \
142 utils/cpuidle-set.o utils/powercap-info.o
143
144UTIL_SRC := $(UTIL_OBJS:.o=.c)
145
146UTIL_OBJS := $(addprefix $(OUTPUT),$(UTIL_OBJS))
147
148UTIL_HEADERS = utils/helpers/helpers.h utils/idle_monitor/cpupower-monitor.h \
149 utils/helpers/bitmask.h \
150 utils/idle_monitor/idle_monitors.h utils/idle_monitor/idle_monitors.def
151
152LIB_HEADERS = lib/cpufreq.h lib/cpupower.h lib/cpuidle.h lib/acpi_cppc.h \
153 lib/powercap.h
154LIB_SRC = lib/cpufreq.c lib/cpupower.c lib/cpuidle.c lib/acpi_cppc.c \
155 lib/powercap.c
156LIB_OBJS = lib/cpufreq.o lib/cpupower.o lib/cpuidle.o lib/acpi_cppc.o \
157 lib/powercap.o
158LIB_OBJS := $(addprefix $(OUTPUT),$(LIB_OBJS))
159
160override CFLAGS += -pipe
161
162ifeq ($(strip $(NLS)),true)
163 INSTALL_NLS += install-gmo
164 COMPILE_NLS += create-gmo
165 override CFLAGS += -DNLS
166endif
167
168ifeq ($(strip $(CPUFREQ_BENCH)),true)
169 INSTALL_BENCH += install-bench
170 COMPILE_BENCH += compile-bench
171endif
172
173ifeq ($(strip $(STATIC)),true)
174 UTIL_OBJS += $(LIB_OBJS)
175 UTIL_HEADERS += $(LIB_HEADERS)
176 UTIL_SRC += $(LIB_SRC)
177endif
178
179override CFLAGS += $(WARNINGS)
180
181ifeq ($(strip $(V)),false)
182 QUIET=@
183 ECHO=@echo
184else
185 QUIET=
186 ECHO=@\#
187endif
188export QUIET ECHO
189
190# if DEBUG is enabled, then we do not strip or optimize
191ifeq ($(strip $(DEBUG)),true)
192 override CFLAGS += -O1 -g -DDEBUG
193 STRIPCMD = /bin/true -Since_we_are_debugging
194else
195 override CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
196 STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
197endif
198
199
200# the actual make rules
201
202all: libcpupower $(OUTPUT)cpupower $(COMPILE_NLS) $(COMPILE_BENCH)
203
204$(OUTPUT)lib/%.o: $(LIB_SRC) $(LIB_HEADERS)
205 $(ECHO) " CC " $@
206 $(QUIET) $(CC) $(CFLAGS) -fPIC -o $@ -c lib/$*.c
207
208ifeq ($(strip $(STATIC)),true)
209LIBCPUPOWER := libcpupower.a
210else
211LIBCPUPOWER := libcpupower.so.$(LIB_VER)
212endif
213
214$(OUTPUT)$(LIBCPUPOWER): $(LIB_OBJS)
215ifeq ($(strip $(STATIC)),true)
216 $(ECHO) " AR " $@
217 $(QUIET) $(AR) rcs $@ $(LIB_OBJS)
218else
219 $(ECHO) " LD " $@
220 $(QUIET) $(CC) -shared $(CFLAGS) $(LDFLAGS) -o $@ \
221 -Wl,-soname,libcpupower.so.$(LIB_MAJ) $(LIB_OBJS)
222 @ln -sf $(@F) $(OUTPUT)libcpupower.so
223 @ln -sf $(@F) $(OUTPUT)libcpupower.so.$(LIB_MAJ)
224endif
225
226libcpupower: $(OUTPUT)$(LIBCPUPOWER)
227
228# Let all .o files depend on its .c file and all headers
229# Might be worth to put this into utils/Makefile at some point of time
230$(UTIL_OBJS): $(UTIL_HEADERS)
231
232$(OUTPUT)%.o: %.c
233 $(ECHO) " CC " $@
234 $(QUIET) $(CC) $(CFLAGS) -I./lib -I ./utils -o $@ -c $*.c
235
236$(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)$(LIBCPUPOWER)
237 $(ECHO) " CC " $@
238ifeq ($(strip $(STATIC)),true)
239 $(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lrt -lpci -L$(OUTPUT) -o $@
240else
241 $(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -lrt -lpci -L$(OUTPUT) -o $@
242endif
243 $(QUIET) $(STRIPCMD) $@
244
245ifeq (, $(shell which xgettext))
246$(warning "Install xgettext to extract translatable strings.")
247else
248$(OUTPUT)po/$(PACKAGE).pot: $(UTIL_SRC)
249 $(ECHO) " GETTEXT " $@
250 $(QUIET) xgettext --default-domain=$(PACKAGE) --add-comments \
251 --keyword=_ --keyword=N_ $(UTIL_SRC) -p $(@D) -o $(@F)
252endif
253
254ifeq (, $(shell which msgfmt))
255$(warning "Install msgfmt to generate binary message catalogs.")
256else
257$(OUTPUT)po/%.gmo: po/%.po
258 $(ECHO) " MSGFMT " $@
259 $(QUIET) msgfmt -o $@ po/$*.po
260endif
261
262create-gmo: ${GMO_FILES}
263
264ifeq (, $(shell which msgmerge))
265$(warning "Install msgmerge to merge translations.")
266else
267update-po: $(OUTPUT)po/$(PACKAGE).pot
268 $(ECHO) " MSGMRG " $@
269 $(QUIET) @for HLANG in $(LANGUAGES); do \
270 echo -n "Updating $$HLANG "; \
271 if msgmerge po/$$HLANG.po $< -o \
272 $(OUTPUT)po/$$HLANG.new.po; then \
273 mv -f $(OUTPUT)po/$$HLANG.new.po $(OUTPUT)po/$$HLANG.po; \
274 else \
275 echo "msgmerge for $$HLANG failed!"; \
276 rm -f $(OUTPUT)po/$$HLANG.new.po; \
277 fi; \
278 done;
279endif
280
281compile-bench: $(OUTPUT)$(LIBCPUPOWER)
282 @V=$(V) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT)
283
284# we compile into subdirectories. if the target directory is not the
285# source directory, they might not exists. So we depend the various
286# files onto their directories.
287DIRECTORY_DEPS = $(LIB_OBJS) $(UTIL_OBJS) $(GMO_FILES)
288$(DIRECTORY_DEPS): | $(sort $(dir $(DIRECTORY_DEPS)))
289
290# In the second step, we make a rule to actually create these directories
291$(sort $(dir $(DIRECTORY_DEPS))):
292 $(ECHO) " MKDIR " $@
293 $(QUIET) $(MKDIR) -p $@ 2>/dev/null
294
295clean:
296 -find $(OUTPUT) \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
297 | xargs rm -f
298 -rm -f $(OUTPUT)cpupower
299 -rm -f $(OUTPUT)libcpupower.a
300 -rm -f $(OUTPUT)libcpupower.so*
301 -rm -rf $(OUTPUT)po/*.gmo
302 -rm -rf $(OUTPUT)po/*.pot
303 $(MAKE) -C bench O=$(OUTPUT) clean
304
305
306install-lib: libcpupower
307 $(INSTALL) -d $(DESTDIR)${libdir}
308ifeq ($(strip $(STATIC)),true)
309 $(CP) $(OUTPUT)libcpupower.a $(DESTDIR)${libdir}/
310else
311 $(CP) $(OUTPUT)libcpupower.so* $(DESTDIR)${libdir}/
312endif
313 $(INSTALL) -d $(DESTDIR)${includedir}
314 $(INSTALL_DATA) lib/cpufreq.h $(DESTDIR)${includedir}/cpufreq.h
315 $(INSTALL_DATA) lib/cpuidle.h $(DESTDIR)${includedir}/cpuidle.h
316 $(INSTALL_DATA) lib/powercap.h $(DESTDIR)${includedir}/powercap.h
317
318install-tools: $(OUTPUT)cpupower
319 $(INSTALL) -d $(DESTDIR)${bindir}
320 $(INSTALL_PROGRAM) $(OUTPUT)cpupower $(DESTDIR)${bindir}
321 $(INSTALL) -d $(DESTDIR)${bash_completion_dir}
322 $(INSTALL_SCRIPT) cpupower-completion.sh '$(DESTDIR)${bash_completion_dir}/cpupower'
323 $(INSTALL) -d $(DESTDIR)${confdir}
324 $(INSTALL_DATA) cpupower-service.conf '$(DESTDIR)${confdir}'
325 $(INSTALL) -d $(DESTDIR)${libexecdir}
326 $(INSTALL_PROGRAM) cpupower.sh '$(DESTDIR)${libexecdir}/cpupower'
327 $(INSTALL) -d $(DESTDIR)${unitdir}
328 sed 's|___CDIR___|${confdir}|; s|___LDIR___|${libexecdir}|' cpupower.service.in > '$(DESTDIR)${unitdir}/cpupower.service'
329 $(SETPERM_DATA) '$(DESTDIR)${unitdir}/cpupower.service'
330
331install-man:
332 $(INSTALL_DATA) -D man/cpupower.1 $(DESTDIR)${mandir}/man1/cpupower.1
333 $(INSTALL_DATA) -D man/cpupower-frequency-set.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1
334 $(INSTALL_DATA) -D man/cpupower-frequency-info.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1
335 $(INSTALL_DATA) -D man/cpupower-idle-set.1 $(DESTDIR)${mandir}/man1/cpupower-idle-set.1
336 $(INSTALL_DATA) -D man/cpupower-idle-info.1 $(DESTDIR)${mandir}/man1/cpupower-idle-info.1
337 $(INSTALL_DATA) -D man/cpupower-set.1 $(DESTDIR)${mandir}/man1/cpupower-set.1
338 $(INSTALL_DATA) -D man/cpupower-info.1 $(DESTDIR)${mandir}/man1/cpupower-info.1
339 $(INSTALL_DATA) -D man/cpupower-monitor.1 $(DESTDIR)${mandir}/man1/cpupower-monitor.1
340 $(INSTALL_DATA) -D man/cpupower-powercap-info.1 $(DESTDIR)${mandir}/man1/cpupower-powercap-info.1
341
342install-gmo: create-gmo
343 $(INSTALL) -d $(DESTDIR)${localedir}
344 for HLANG in $(LANGUAGES); do \
345 echo '$(INSTALL_DATA) -D $(OUTPUT)po/$$HLANG.gmo $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo'; \
346 $(INSTALL_DATA) -D $(OUTPUT)po/$$HLANG.gmo $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \
347 done;
348
349install-bench: compile-bench
350 @#DESTDIR must be set from outside to survive
351 @sbindir=$(sbindir) bindir=$(bindir) docdir=$(docdir) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT) install
352
353install: all install-lib install-tools install-man $(INSTALL_NLS) $(INSTALL_BENCH)
354
355uninstall:
356 - rm -f $(DESTDIR)${libdir}/libcpupower.*
357 - rm -f $(DESTDIR)${includedir}/cpufreq.h
358 - rm -f $(DESTDIR)${includedir}/cpuidle.h
359 - rm -f $(DESTDIR)${bindir}/utils/cpupower
360 - rm -f $(DESTDIR)${confdir}cpupower-service.conf
361 - rm -f $(DESTDIR)${libexecdir}/cpupower
362 - rm -f $(DESTDIR)${unitdir}/cpupower.service
363 - rm -f $(DESTDIR)${mandir}/man1/cpupower.1
364 - rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1
365 - rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1
366 - rm -f $(DESTDIR)${mandir}/man1/cpupower-set.1
367 - rm -f $(DESTDIR)${mandir}/man1/cpupower-info.1
368 - rm -f $(DESTDIR)${mandir}/man1/cpupower-monitor.1
369 - rm -f $(DESTDIR)${mandir}/man1/cpupower-powercap-info.1
370 - for HLANG in $(LANGUAGES); do \
371 rm -f $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \
372 done;
373
374help:
375 @echo 'Building targets:'
376 @echo ' all - Default target. Could be omitted. Put build artifacts'
377 @echo ' to "O" cmdline option dir (default: current dir)'
378 @echo ' install - Install previously built project files from the output'
379 @echo ' dir defined by "O" cmdline option (default: current dir)'
380 @echo ' to the install dir defined by "DESTDIR" cmdline or'
381 @echo ' Makefile config block option (default: "")'
382 @echo ' install-lib - Install previously built library binary from the output'
383 @echo ' dir defined by "O" cmdline option (default: current dir)'
384 @echo ' and library headers from "lib/" for userspace to the install'
385 @echo ' dir defined by "DESTDIR" cmdline (default: "")'
386 @echo ' install-tools - Install previously built "cpupower" util from the output'
387 @echo ' dir defined by "O" cmdline option (default: current dir) and'
388 @echo ' "cpupower-completion.sh" script from the src dir to the'
389 @echo ' install dir defined by "DESTDIR" cmdline or Makefile'
390 @echo ' config block option (default: "")'
391 @echo ' install-man - Install man pages from the "man" src subdir to the'
392 @echo ' install dir defined by "DESTDIR" cmdline or Makefile'
393 @echo ' config block option (default: "")'
394 @echo ' install-gmo - Install previously built language files from the output'
395 @echo ' dir defined by "O" cmdline option (default: current dir)'
396 @echo ' to the install dir defined by "DESTDIR" cmdline or Makefile'
397 @echo ' config block option (default: "")'
398 @echo ' install-bench - Install previously built "cpufreq-bench" util files from the'
399 @echo ' output dir defined by "O" cmdline option (default: current dir)'
400 @echo ' to the install dir defined by "DESTDIR" cmdline or Makefile'
401 @echo ' config block option (default: "")'
402 @echo ''
403 @echo 'Cleaning targets:'
404 @echo ' clean - Clean build artifacts from the dir defined by "O" cmdline'
405 @echo ' option (default: current dir)'
406 @echo ' uninstall - Remove previously installed files from the dir defined by "DESTDIR"'
407 @echo ' cmdline or Makefile config block option (default: "")'
408
409.PHONY: all utils libcpupower update-po create-gmo install-lib install-tools install-man install-gmo install uninstall clean help