1# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) 2# Most of this file is copied from tools/lib/perf/Makefile 3 4LIBTHERMAL_VERSION = 0 5LIBTHERMAL_PATCHLEVEL = 0 6LIBTHERMAL_EXTRAVERSION = 1 7 8MAKEFLAGS += --no-print-directory 9 10ifeq ($(srctree),) 11srctree := $(patsubst %/,%,$(dir $(CURDIR))) 12srctree := $(patsubst %/,%,$(dir $(srctree))) 13srctree := $(patsubst %/,%,$(dir $(srctree))) 14# $(info Determined 'srctree' to be $(srctree)) 15endif 16 17INSTALL = install 18 19# Use DESTDIR for installing into a different root directory. 20# This is useful for building a package. The program will be 21# installed in this directory as if it was the root directory. 22# Then the build tool can move it later. 23DESTDIR ?= 24DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' 25 26include $(srctree)/tools/scripts/Makefile.include 27include $(srctree)/tools/scripts/Makefile.arch 28 29ifeq ($(LP64), 1) 30 libdir_relative = lib64 31else 32 libdir_relative = lib 33endif 34 35prefix ?= 36libdir = $(prefix)/$(libdir_relative) 37 38# Shell quotes 39libdir_SQ = $(subst ','\'',$(libdir)) 40libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) 41 42# Set compile option CFLAGS 43ifdef EXTRA_CFLAGS 44 CFLAGS := $(EXTRA_CFLAGS) 45else 46 CFLAGS := -g -Wall 47endif 48 49NL3_CFLAGS = $(shell pkg-config --cflags libnl-3.0 2>/dev/null) 50ifeq ($(NL3_CFLAGS),) 51NL3_CFLAGS = -I/usr/include/libnl3 52endif 53 54INCLUDES = \ 55-I$(srctree)/tools/lib/thermal/include \ 56-I$(srctree)/tools/lib/ \ 57-I$(srctree)/tools/include \ 58-I$(srctree)/tools/arch/$(SRCARCH)/include/ \ 59-I$(srctree)/tools/arch/$(SRCARCH)/include/uapi \ 60-I$(srctree)/tools/include/uapi 61 62# Append required CFLAGS 63override CFLAGS += $(EXTRA_WARNINGS) 64override CFLAGS += -Werror -Wall 65override CFLAGS += -fPIC 66override CFLAGS += $(NL3_CFLAGS) 67override CFLAGS += $(INCLUDES) 68override CFLAGS += -fvisibility=hidden 69override CFGLAS += -Wl,-L. 70override CFGLAS += -Wl,-lthermal 71 72all: 73 74export srctree OUTPUT CC LD CFLAGS V 75export DESTDIR DESTDIR_SQ 76 77include $(srctree)/tools/build/Makefile.include 78 79VERSION_SCRIPT := libthermal.map 80 81PATCHLEVEL = $(LIBTHERMAL_PATCHLEVEL) 82EXTRAVERSION = $(LIBTHERMAL_EXTRAVERSION) 83VERSION = $(LIBTHERMAL_VERSION).$(LIBTHERMAL_PATCHLEVEL).$(LIBTHERMAL_EXTRAVERSION) 84 85LIBTHERMAL_SO := $(OUTPUT)libthermal.so.$(VERSION) 86LIBTHERMAL_A := $(OUTPUT)libthermal.a 87LIBTHERMAL_IN := $(OUTPUT)libthermal-in.o 88LIBTHERMAL_PC := $(OUTPUT)libthermal.pc 89LIBTHERMAL_ALL := $(LIBTHERMAL_A) $(OUTPUT)libthermal.so* 90 91THERMAL_UAPI := include/uapi/linux/thermal.h 92 93$(THERMAL_UAPI): FORCE 94 ln -sf $(srctree)/$@ $(srctree)/tools/$@ 95 96$(LIBTHERMAL_IN): FORCE 97 $(Q)$(MAKE) $(build)=libthermal 98 99$(LIBTHERMAL_A): $(LIBTHERMAL_IN) 100 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBTHERMAL_IN) 101 102$(LIBTHERMAL_SO): $(LIBTHERMAL_IN) 103 $(QUIET_LINK)$(CC) --shared -Wl,-soname,libthermal.so \ 104 -Wl,--version-script=$(VERSION_SCRIPT) $^ -o $@ 105 @ln -sf $(@F) $(OUTPUT)libthermal.so 106 @ln -sf $(@F) $(OUTPUT)libthermal.so.$(LIBTHERMAL_VERSION) 107 108 109libs: $(THERMAL_UAPI) $(LIBTHERMAL_A) $(LIBTHERMAL_SO) $(LIBTHERMAL_PC) 110 111all: fixdep 112 $(Q)$(MAKE) libs 113 114clean: 115 $(call QUIET_CLEAN, libthermal) $(RM) $(LIBTHERMAL_A) \ 116 *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBTHERMAL_VERSION) \ 117 .*.d .*.cmd LIBTHERMAL-CFLAGS $(LIBTHERMAL_PC) \ 118 $(srctree)/tools/$(THERMAL_UAPI) 119 120$(LIBTHERMAL_PC): 121 $(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \ 122 -e "s|@LIBDIR@|$(libdir_SQ)|" \ 123 -e "s|@VERSION@|$(VERSION)|" \ 124 < libthermal.pc.template > $@ 125 126define do_install_mkdir 127 if [ ! -d '$(DESTDIR_SQ)$1' ]; then \ 128 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \ 129 fi 130endef 131 132define do_install 133 if [ ! -d '$(DESTDIR_SQ)$2' ]; then \ 134 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \ 135 fi; \ 136 $(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR_SQ)$2' 137endef 138 139install_lib: libs 140 $(call QUIET_INSTALL, $(LIBTHERMAL_ALL)) \ 141 $(call do_install_mkdir,$(libdir_SQ)); \ 142 cp -fR --preserve=mode,timestamp $(LIBTHERMAL_ALL) $(DESTDIR)$(libdir_SQ) 143 144install_headers: 145 $(call QUIET_INSTALL, headers) \ 146 $(call do_install,include/thermal.h,$(prefix)/include/thermal,644); \ 147 148install_pkgconfig: $(LIBTHERMAL_PC) 149 $(call QUIET_INSTALL, $(LIBTHERMAL_PC)) \ 150 $(call do_install,$(LIBTHERMAL_PC),$(libdir_SQ)/pkgconfig,644) 151 152install_doc: 153 $(Q)$(MAKE) -C Documentation install-man install-html install-examples 154 155install: install_lib install_headers install_pkgconfig 156 157FORCE: 158 159.PHONY: all install clean FORCE 160