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 400