Makefile

  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