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