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