1# SPDX-License-Identifier: GPL-2.0-only
2# Makefile for cpupower
3#
4# Copyright (C) 2005,2006 Dominik Brodowski <linux@dominikbrodowski.net>
5#
6# Based largely on the Makefile for udev by:
7#
8# Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
9#
10OUTPUT=./
11ifeq ("$(origin O)", "command line")
12	OUTPUT := $(O)/
13endif
14
15ifneq ($(OUTPUT),)
16# check that the output directory actually exists
17OUTDIR := $(shell cd $(OUTPUT) && pwd)
18$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
19endif
20
21
22# --- CONFIGURATION BEGIN ---
23
24# Set the following to `true' to make a unstripped, unoptimized
25# binary. Leave this set to `false' for production use.
26DEBUG ?=	true
27
28# make the build silent. Set this to something else to make it noisy again.
29V ?=		false
30
31# Internationalization support (output in different languages).
32# Requires gettext.
33NLS ?=		true
34
35# Set the following to 'true' to build/install the
36# cpufreq-bench benchmarking tool
37CPUFREQ_BENCH ?= true
38
39# Do not build libraries, but build the code in statically
40# Libraries are still built, otherwise the Makefile code would
41# be rather ugly.
42export STATIC ?= false
43
44# Prefix to the directories we're installing to
45DESTDIR ?=
46
47# --- CONFIGURATION END ---
48
49
50
51# Package-related definitions. Distributions can modify the version
52# and _should_ modify the PACKAGE_BUGREPORT definition
53
54VERSION:=			$(shell ./utils/version-gen.sh)
55LIB_MAJ=			0.0.1
56LIB_MIN=			1
57
58PACKAGE =			cpupower
59PACKAGE_BUGREPORT =		linux-pm@vger.kernel.org
60LANGUAGES = 			de fr it cs pt ka
61
62
63# Directory definitions. These are default and most probably
64# do not need to be changed. Please note that DESTDIR is
65# added in front of any of them
66
67bindir ?=	/usr/bin
68sbindir ?=	/usr/sbin
69mandir ?=	/usr/man
70includedir ?=	/usr/include
71localedir ?=	/usr/share/locale
72docdir ?=       /usr/share/doc/packages/cpupower
73confdir ?=      /etc/
74bash_completion_dir ?= /usr/share/bash-completion/completions
75
76# Toolchain: what tools do we use, and what options do they need:
77
78CP = cp -fpR
79INSTALL = /usr/bin/install -c
80INSTALL_PROGRAM = ${INSTALL}
81INSTALL_DATA  = ${INSTALL} -m 644
82#bash completion scripts get sourced and so they should be rw only.
83INSTALL_SCRIPT = ${INSTALL} -m 644
84
85# If you are running a cross compiler, you may want to set this
86# to something more interesting, like "arm-linux-".  If you want
87# to compile vs uClibc, that can be done here as well.
88CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
89CC = $(CROSS)gcc
90LD = $(CROSS)gcc
91AR = $(CROSS)ar
92STRIP = $(CROSS)strip
93RANLIB = $(CROSS)ranlib
94HOSTCC = gcc
95MKDIR = mkdir
96
97# 64bit library detection
98include ../../scripts/Makefile.arch
99
100ifeq ($(IS_64_BIT), 1)
101libdir ?=	/usr/lib64
102else
103libdir ?=	/usr/lib
104endif
105
106# Now we set up the build system
107#
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
124override CFLAGS += -DVERSION=\"$(VERSION)\" -DPACKAGE=\"$(PACKAGE)\" \
125		-DPACKAGE_BUGREPORT=\"$(PACKAGE_BUGREPORT)\" -D_GNU_SOURCE
126
127UTIL_OBJS =  utils/helpers/amd.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/hsw_ext_idle.o \
132	utils/idle_monitor/amd_fam14h_idle.o utils/idle_monitor/cpuidle_sysfs.o \
133	utils/idle_monitor/mperf_monitor.o utils/idle_monitor/cpupower-monitor.o \
134	utils/idle_monitor/rapl_monitor.o \
135	utils/cpupower.o utils/cpufreq-info.o utils/cpufreq-set.o \
136	utils/cpupower-set.o utils/cpupower-info.o utils/cpuidle-info.o \
137	utils/cpuidle-set.o utils/powercap-info.o
138
139UTIL_SRC := $(UTIL_OBJS:.o=.c)
140
141UTIL_OBJS := $(addprefix $(OUTPUT),$(UTIL_OBJS))
142
143UTIL_HEADERS = utils/helpers/helpers.h utils/idle_monitor/cpupower-monitor.h \
144	utils/helpers/bitmask.h \
145	utils/idle_monitor/idle_monitors.h utils/idle_monitor/idle_monitors.def
146
147LIB_HEADERS = 	lib/cpufreq.h lib/cpupower.h lib/cpuidle.h lib/acpi_cppc.h \
148	lib/powercap.h
149LIB_SRC = 	lib/cpufreq.c lib/cpupower.c lib/cpuidle.c lib/acpi_cppc.c \
150	lib/powercap.c
151LIB_OBJS = 	lib/cpufreq.o lib/cpupower.o lib/cpuidle.o lib/acpi_cppc.o \
152	lib/powercap.o
153LIB_OBJS :=	$(addprefix $(OUTPUT),$(LIB_OBJS))
154
155override CFLAGS +=	-pipe
156
157ifeq ($(strip $(NLS)),true)
158	INSTALL_NLS += install-gmo
159	COMPILE_NLS += create-gmo
160	override CFLAGS += -DNLS
161endif
162
163ifeq ($(strip $(CPUFREQ_BENCH)),true)
164	INSTALL_BENCH += install-bench
165	COMPILE_BENCH += compile-bench
166endif
167
168ifeq ($(strip $(STATIC)),true)
169        UTIL_OBJS += $(LIB_OBJS)
170        UTIL_HEADERS += $(LIB_HEADERS)
171        UTIL_SRC += $(LIB_SRC)
172endif
173
174override CFLAGS += $(WARNINGS)
175
176ifeq ($(strip $(V)),false)
177	QUIET=@
178	ECHO=@echo
179else
180	QUIET=
181	ECHO=@\#
182endif
183export QUIET ECHO
184
185# if DEBUG is enabled, then we do not strip or optimize
186ifeq ($(strip $(DEBUG)),true)
187	override CFLAGS += -O1 -g -DDEBUG
188	STRIPCMD = /bin/true -Since_we_are_debugging
189else
190	override CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
191	STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
192endif
193
194
195# the actual make rules
196
197all: libcpupower $(OUTPUT)cpupower $(COMPILE_NLS) $(COMPILE_BENCH)
198
199$(OUTPUT)lib/%.o: $(LIB_SRC) $(LIB_HEADERS)
200	$(ECHO) "  CC      " $@
201	$(QUIET) $(CC) $(CFLAGS) -fPIC -o $@ -c lib/$*.c
202
203$(OUTPUT)libcpupower.so.$(LIB_MAJ): $(LIB_OBJS)
204	$(ECHO) "  LD      " $@
205	$(QUIET) $(CC) -shared $(CFLAGS) $(LDFLAGS) -o $@ \
206		-Wl,-soname,libcpupower.so.$(LIB_MIN) $(LIB_OBJS)
207	@ln -sf $(@F) $(OUTPUT)libcpupower.so
208	@ln -sf $(@F) $(OUTPUT)libcpupower.so.$(LIB_MIN)
209
210libcpupower: $(OUTPUT)libcpupower.so.$(LIB_MAJ)
211
212# Let all .o files depend on its .c file and all headers
213# Might be worth to put this into utils/Makefile at some point of time
214$(UTIL_OBJS): $(UTIL_HEADERS)
215
216$(OUTPUT)%.o: %.c
217	$(ECHO) "  CC      " $@
218	$(QUIET) $(CC) $(CFLAGS) -I./lib -I ./utils -o $@ -c $*.c
219
220$(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)libcpupower.so.$(LIB_MAJ)
221	$(ECHO) "  CC      " $@
222ifeq ($(strip $(STATIC)),true)
223	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lrt -lpci -L$(OUTPUT) -o $@
224else
225	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -lrt -lpci -L$(OUTPUT) -o $@
226endif
227	$(QUIET) $(STRIPCMD) $@
228
229$(OUTPUT)po/$(PACKAGE).pot: $(UTIL_SRC)
230	$(ECHO) "  GETTEXT " $@
231	$(QUIET) xgettext --default-domain=$(PACKAGE) --add-comments \
232		--keyword=_ --keyword=N_ $(UTIL_SRC) -p $(@D) -o $(@F)
233
234$(OUTPUT)po/%.gmo: po/%.po
235	$(ECHO) "  MSGFMT  " $@
236	$(QUIET) msgfmt -o $@ po/$*.po
237
238create-gmo: ${GMO_FILES}
239
240update-po: $(OUTPUT)po/$(PACKAGE).pot
241	$(ECHO) "  MSGMRG  " $@
242	$(QUIET) @for HLANG in $(LANGUAGES); do \
243		echo -n "Updating $$HLANG "; \
244		if msgmerge po/$$HLANG.po $< -o \
245		   $(OUTPUT)po/$$HLANG.new.po; then \
246			mv -f $(OUTPUT)po/$$HLANG.new.po $(OUTPUT)po/$$HLANG.po; \
247		else \
248			echo "msgmerge for $$HLANG failed!"; \
249			rm -f $(OUTPUT)po/$$HLANG.new.po; \
250		fi; \
251	done;
252
253compile-bench: $(OUTPUT)libcpupower.so.$(LIB_MAJ)
254	@V=$(V) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT)
255
256# we compile into subdirectories. if the target directory is not the
257# source directory, they might not exists. So we depend the various
258# files onto their directories.
259DIRECTORY_DEPS = $(LIB_OBJS) $(UTIL_OBJS) $(GMO_FILES)
260$(DIRECTORY_DEPS): | $(sort $(dir $(DIRECTORY_DEPS)))
261
262# In the second step, we make a rule to actually create these directories
263$(sort $(dir $(DIRECTORY_DEPS))):
264	$(ECHO) "  MKDIR      " $@
265	$(QUIET) $(MKDIR) -p $@ 2>/dev/null
266
267clean:
268	-find $(OUTPUT) \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
269	 | xargs rm -f
270	-rm -f $(OUTPUT)cpupower
271	-rm -f $(OUTPUT)libcpupower.so*
272	-rm -rf $(OUTPUT)po/*.gmo
273	-rm -rf $(OUTPUT)po/*.pot
274	$(MAKE) -C bench O=$(OUTPUT) clean
275
276
277install-lib: libcpupower
278	$(INSTALL) -d $(DESTDIR)${libdir}
279	$(CP) $(OUTPUT)libcpupower.so* $(DESTDIR)${libdir}/
280	$(INSTALL) -d $(DESTDIR)${includedir}
281	$(INSTALL_DATA) lib/cpufreq.h $(DESTDIR)${includedir}/cpufreq.h
282	$(INSTALL_DATA) lib/cpuidle.h $(DESTDIR)${includedir}/cpuidle.h
283	$(INSTALL_DATA) lib/powercap.h $(DESTDIR)${includedir}/powercap.h
284
285install-tools: $(OUTPUT)cpupower
286	$(INSTALL) -d $(DESTDIR)${bindir}
287	$(INSTALL_PROGRAM) $(OUTPUT)cpupower $(DESTDIR)${bindir}
288	$(INSTALL) -d $(DESTDIR)${bash_completion_dir}
289	$(INSTALL_SCRIPT) cpupower-completion.sh '$(DESTDIR)${bash_completion_dir}/cpupower'
290
291install-man:
292	$(INSTALL_DATA) -D man/cpupower.1 $(DESTDIR)${mandir}/man1/cpupower.1
293	$(INSTALL_DATA) -D man/cpupower-frequency-set.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1
294	$(INSTALL_DATA) -D man/cpupower-frequency-info.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1
295	$(INSTALL_DATA) -D man/cpupower-idle-set.1 $(DESTDIR)${mandir}/man1/cpupower-idle-set.1
296	$(INSTALL_DATA) -D man/cpupower-idle-info.1 $(DESTDIR)${mandir}/man1/cpupower-idle-info.1
297	$(INSTALL_DATA) -D man/cpupower-set.1 $(DESTDIR)${mandir}/man1/cpupower-set.1
298	$(INSTALL_DATA) -D man/cpupower-info.1 $(DESTDIR)${mandir}/man1/cpupower-info.1
299	$(INSTALL_DATA) -D man/cpupower-monitor.1 $(DESTDIR)${mandir}/man1/cpupower-monitor.1
300	$(INSTALL_DATA) -D man/cpupower-powercap-info.1 $(DESTDIR)${mandir}/man1/cpupower-powercap-info.1
301
302install-gmo: create-gmo
303	$(INSTALL) -d $(DESTDIR)${localedir}
304	for HLANG in $(LANGUAGES); do \
305		echo '$(INSTALL_DATA) -D $(OUTPUT)po/$$HLANG.gmo $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo'; \
306		$(INSTALL_DATA) -D $(OUTPUT)po/$$HLANG.gmo $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \
307	done;
308
309install-bench: compile-bench
310	@#DESTDIR must be set from outside to survive
311	@sbindir=$(sbindir) bindir=$(bindir) docdir=$(docdir) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT) install
312
313ifeq ($(strip $(STATIC)),true)
314install: all install-tools install-man $(INSTALL_NLS) $(INSTALL_BENCH)
315else
316install: all install-lib install-tools install-man $(INSTALL_NLS) $(INSTALL_BENCH)
317endif
318
319uninstall:
320	- rm -f $(DESTDIR)${libdir}/libcpupower.*
321	- rm -f $(DESTDIR)${includedir}/cpufreq.h
322	- rm -f $(DESTDIR)${includedir}/cpuidle.h
323	- rm -f $(DESTDIR)${bindir}/utils/cpupower
324	- rm -f $(DESTDIR)${mandir}/man1/cpupower.1
325	- rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1
326	- rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1
327	- rm -f $(DESTDIR)${mandir}/man1/cpupower-set.1
328	- rm -f $(DESTDIR)${mandir}/man1/cpupower-info.1
329	- rm -f $(DESTDIR)${mandir}/man1/cpupower-monitor.1
330	- rm -f $(DESTDIR)${mandir}/man1/cpupower-powercap-info.1
331	- for HLANG in $(LANGUAGES); do \
332		rm -f $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \
333	  done;
334
335.PHONY: all utils libcpupower update-po create-gmo install-lib install-tools install-man install-gmo install uninstall clean
336