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# Module.mk - Makefile for a Linux module for reading sensor data.
# Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
# Note that MODULE_DIR (the directory in which this file resides) is a
# 'simply expanded variable'. That means that its value is substituted
# verbatim in the rules, until it is redefined.
MODULE_DIR := lib
LIB_DIR := $(MODULE_DIR)
# The manual dirs and files
LIBMAN3DIR := $(MANDIR)/man3
LIBMAN3FILES := $(MODULE_DIR)/libsensors.3
LIBMAN5DIR := $(MANDIR)/man5
LIBMAN5FILES := $(MODULE_DIR)/sensors.conf.5
# The main and minor version of the library
# The library soname (major number) must be changed if and only if the interface is
# changed in a backward incompatible way. The interface is defined by
# the public header files - in this case they are error.h and sensors.h.
LIBMAINVER := 4
LIBMINORVER := 4.0
LIBVER := $(LIBMAINVER).$(LIBMINORVER)
# The static lib name, the shared lib name, and the internal ('so') name of
# the shared lib.
LIBSHBASENAME := libsensors.so
LIBSHLIBNAME := libsensors.so.$(LIBVER)
LIBSTLIBNAME := libsensors.a
LIBSHSONAME := libsensors.so.$(LIBMAINVER)
LIBTARGETS := $(MODULE_DIR)/$(LIBSHLIBNAME) \
$(MODULE_DIR)/$(LIBSHSONAME) $(MODULE_DIR)/$(LIBSHBASENAME)
ifeq ($(BUILD_STATIC_LIB),1)
LIBTARGETS += $(MODULE_DIR)/$(LIBSTLIBNAME)
endif
LIBCSOURCES := $(MODULE_DIR)/data.c $(MODULE_DIR)/general.c \
$(MODULE_DIR)/error.c $(MODULE_DIR)/access.c \
$(MODULE_DIR)/init.c $(MODULE_DIR)/sysfs.c
LIBOTHEROBJECTS := $(MODULE_DIR)/conf-parse.o $(MODULE_DIR)/conf-lex.o
LIBSHOBJECTS := $(LIBCSOURCES:.c=.lo) $(LIBOTHEROBJECTS:.o=.lo)
LIBSTOBJECTS := $(LIBCSOURCES:.c=.ao) $(LIBOTHEROBJECTS:.o=.ao)
LIBEXTRACLEAN := $(MODULE_DIR)/conf-parse.h $(MODULE_DIR)/conf-parse.c \
$(MODULE_DIR)/conf-lex.c
LIBHEADERFILES := $(MODULE_DIR)/error.h $(MODULE_DIR)/sensors.h
# How to create the shared library
$(MODULE_DIR)/$(LIBSHLIBNAME): $(LIBSHOBJECTS)
$(CC) -shared $(LDFLAGS) -Wl,--version-script=$(LIB_DIR)/libsensors.map -Wl,-soname,$(LIBSHSONAME) -o $@ $^ -lc -lm
$(MODULE_DIR)/$(LIBSHSONAME): $(MODULE_DIR)/$(LIBSHLIBNAME)
$(RM) $@
$(LN) $(LIBSHLIBNAME) $@
$(MODULE_DIR)/$(LIBSHBASENAME): $(MODULE_DIR)/$(LIBSHLIBNAME)
$(RM) $@
$(LN) $(LIBSHLIBNAME) $@
# And the static library
$(MODULE_DIR)/$(LIBSTLIBNAME): $(LIBSTOBJECTS)
$(RM) $@
$(AR) rcvs $@ $^
# Depencies for non-C sources
$(MODULE_DIR)/conf-lex.c: $(MODULE_DIR)/conf-lex.l $(MODULE_DIR)/general.h \
$(MODULE_DIR)/data.h $(MODULE_DIR)/conf-parse.h
$(MODULE_DIR)/conf-parse.c: $(MODULE_DIR)/conf-parse.y $(MODULE_DIR)/general.h \
$(MODULE_DIR)/data.h
$(MODULE_DIR)/conf-parse.h: $(MODULE_DIR)/conf-parse.c
# Include all dependency files
INCLUDEFILES += $(LIBSHOBJECTS:.lo=.ld) $(LIBSTOBJECTS:.ao=.ad)
# Special warning prevention for flex-generated files
FLEXNOWARN:=-Wno-shadow -Wno-undef -Wno-unused -Wno-missing-prototypes -Wno-sign-compare
$(MODULE_DIR)/conf-lex.ao: $(MODULE_DIR)/conf-lex.c
$(CC) $(ARCPPFLAGS) $(ARCFLAGS) $(FLEXNOWARN) -c $< -o $@
$(MODULE_DIR)/conf-lex.lo: $(MODULE_DIR)/conf-lex.c
$(CC) $(LIBCPPFLAGS) $(LIBCFLAGS) $(FLEXNOWARN) -c $< -o $@
# Special warning prevention for bison-generated files
YACCNOWARN:=-Wno-undef
$(MODULE_DIR)/conf-parse.ao: $(MODULE_DIR)/conf-parse.c
$(CC) $(ARCPPFLAGS) $(ARCFLAGS) $(YACCNOWARN) -c $< -o $@
$(MODULE_DIR)/conf-parse.lo: $(MODULE_DIR)/conf-parse.c
$(CC) $(LIBCPPFLAGS) $(LIBCFLAGS) $(YACCNOWARN) -c $< -o $@
REMOVELIBST := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBDIR)/%,$(LIB_DIR)/$(LIBSTLIBNAME))
REMOVELIBSH := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBDIR)/%,$(LIB_DIR)/$(LIBSHLIBNAME))
REMOVELNSO := $(DESTDIR)$(LIBDIR)/$(LIBSHSONAME)
REMOVELNBS := $(DESTDIR)$(LIBDIR)/$(LIBSHBASENAME)
REMOVELIBHF := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBINCLUDEDIR)/%,$(LIBHEADERFILES))
REMOVEMAN3 := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBMAN3DIR)/%,$(LIBMAN3FILES))
REMOVEMAN5 := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBMAN5DIR)/%,$(LIBMAN5FILES))
all-lib: $(LIBTARGETS)
user :: all-lib
# Generate warnings if the install directory isn't in /etc/ld.so.conf
# or if the library wasn't there before (which means ldconfig must be run).
# Note that some ld.so's put /usr/lib and /lib first, others put them last,
# so we can't make any assumptions.
install-lib: all-lib
$(MKDIR) $(DESTDIR)$(LIBDIR) $(DESTDIR)$(LIBINCLUDEDIR) $(DESTDIR)$(LIBMAN3DIR) $(DESTDIR)$(LIBMAN5DIR)
@if [ -z "$(DESTDIR)" -a ! -e "$(LIBDIR)/$(LIBSHSONAME)" ] ; then \
echo '******************************************************************************' ; \
echo 'Warning: This is the first installation of the $(LIBSHSONAME)*' ; \
echo ' library files in $(LIBDIR)!' ; \
echo ' You must update the library cache or the userspace tools may fail' ; \
echo ' or have unpredictable results!' ; \
echo ' Run the following command: /sbin/ldconfig' ; \
echo '******************************************************************************' ; \
fi
ifeq ($(BUILD_STATIC_LIB),1)
$(INSTALL) -m 644 $(LIB_DIR)/$(LIBSTLIBNAME) $(DESTDIR)$(LIBDIR)
endif
$(INSTALL) -m 755 $(LIB_DIR)/$(LIBSHLIBNAME) $(DESTDIR)$(LIBDIR)
$(LN) $(LIBSHLIBNAME) $(DESTDIR)$(LIBDIR)/$(LIBSHSONAME)
$(LN) $(LIBSHSONAME) $(DESTDIR)$(LIBDIR)/$(LIBSHBASENAME)
@if [ -z "$(DESTDIR)" -a "$(LIBDIR)" != "/usr/lib" -a "$(LIBDIR)" != "/lib" ] ; then \
if [ -e "/usr/lib/$(LIBSHSONAME)" -o -e "/usr/lib/$(LIBSHBASENAME)" ] ; then \
echo '******************************************************************************' ; \
echo 'Warning: You have at least one $(LIBSHBASENAME) library file in /usr/lib' ; \
echo ' and the new library files are in $(LIBDIR)!' ; \
echo ' These old files must be removed or the userspace tools may fail' ; \
echo ' or have unpredictable results!' ; \
echo ' Run the following command: rm /usr/lib/$(LIBSHBASENAME)*' ; \
echo '******************************************************************************' ; \
fi ; \
cat /etc/ld.so.conf /etc/ld.so.conf.d/*.conf 2>/dev/null | grep -q '\(^\|[[:space:]:,]\)$(LIBDIR)\([[:space:]:,=]\|$$\)' || \
( echo '******************************************************************************' ; \
echo 'Warning: Library directory $(LIBDIR) is not in /etc/ld.so.conf!' ; \
echo ' Add it and run /sbin/ldconfig for the userspace tools to work.' ; \
echo '******************************************************************************' ) ; \
fi
$(INSTALL) -m 644 $(LIBHEADERFILES) $(DESTDIR)$(LIBINCLUDEDIR)
$(INSTALL) -m 644 $(LIBMAN3FILES) $(DESTDIR)$(LIBMAN3DIR)
$(INSTALL) -m 644 $(LIBMAN5FILES) $(DESTDIR)$(LIBMAN5DIR)
$(LN) sensors.conf.5 $(DESTDIR)$(LIBMAN5DIR)/sensors3.conf.5
user_install :: install-lib
user_uninstall::
$(RM) $(REMOVELIBSH) $(REMOVELNSO) $(REMOVELNBS)
ifeq ($(BUILD_STATIC_LIB),1)
$(RM) $(REMOVELIBST)
endif
$(RM) $(REMOVELIBHF) $(REMOVEMAN3) $(REMOVEMAN5)
# Remove directory if empty, ignore failure
$(RMDIR) $(DESTDIR)$(LIBINCLUDEDIR) 2> /dev/null || true
clean-lib:
$(RM) $(LIB_DIR)/*.ld $(LIB_DIR)/*.ad
$(RM) $(LIB_DIR)/*.lo $(LIB_DIR)/*.ao
$(RM) $(LIBTARGETS) $(LIBEXTRACLEAN)
# old versions
$(RM) $(LIB_DIR)/$(LIBSHBASENAME).*
clean :: clean-lib
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