root/lm-sensors/tags/V2-10-4/lib/Module.mk

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1 #  Module.mk - Makefile for a Linux module for reading sensor data.
2 #  Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
3 #
4 #  This program is free software; you can redistribute it and/or modify
5 #  it under the terms of the GNU General Public License as published by
6 #  the Free Software Foundation; either version 2 of the License, or
7 #  (at your option) any later version.
8 #
9 #  This program is distributed in the hope that it will be useful,
10 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 #  GNU General Public License for more details.
13 #
14 #  You should have received a copy of the GNU General Public License
15 #  along with this program; if not, write to the Free Software
16 #  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 # Note that MODULE_DIR (the directory in which this file resides) is a
19 # 'simply expanded variable'. That means that its value is substituted
20 # verbatim in the rules, until it is redefined.
21 MODULE_DIR := lib
22 LIB_DIR := $(MODULE_DIR)
23
24 # The manual dirs and files
25 LIBMAN3DIR := $(MANDIR)/man3
26 LIBMAN3FILES := $(MODULE_DIR)/libsensors.3
27 LIBMAN5DIR := $(MANDIR)/man5
28 LIBMAN5FILES := $(MODULE_DIR)/sensors.conf.5
29
30 # The main and minor version of the library
31 # The library soname (major number) must be changed if and only if the interface is
32 # changed in a backward incompatible way.  The interface is defined by
33 # the public header files - in this case they are error.h, sensors.h,
34 # chips.h.
35 LIBMAINVER := 3
36 LIBMINORVER := 1.4
37 LIBVER := $(LIBMAINVER).$(LIBMINORVER)
38
39 # The static lib name, the shared lib name, and the internal ('so') name of
40 # the shared lib.
41 LIBSHBASENAME := libsensors.so
42 LIBSHLIBNAME := libsensors.so.$(LIBVER)
43 LIBSTLIBNAME := libsensors.a
44 LIBSHSONAME := libsensors.so.$(LIBMAINVER)
45
46 LIBTARGETS := $(MODULE_DIR)/$(LIBSTLIBNAME) $(MODULE_DIR)/$(LIBSHLIBNAME) \
47               $(MODULE_DIR)/$(LIBSHSONAME) $(MODULE_DIR)/$(LIBSHBASENAME)
48
49 LIBCSOURCES := $(MODULE_DIR)/data.c $(MODULE_DIR)/general.c \
50                $(MODULE_DIR)/error.c $(MODULE_DIR)/chips.c \
51                $(MODULE_DIR)/proc.c $(MODULE_DIR)/access.c \
52                $(MODULE_DIR)/init.c
53 ifdef SYSFS_SUPPORT
54         LIBCSOURCES := $(LIBCSOURCES) $(MODULE_DIR)/sysfs.c
55 endif
56
57 LIBOTHEROBJECTS := $(MODULE_DIR)/conf-parse.o $(MODULE_DIR)/conf-lex.o
58 LIBSHOBJECTS := $(LIBCSOURCES:.c=.lo) $(LIBOTHEROBJECTS:.o=.lo)
59 LIBSTOBJECTS := $(LIBCSOURCES:.c=.ao) $(LIBOTHEROBJECTS:.o=.ao)
60 LIBEXTRACLEAN := $(MODULE_DIR)/conf-parse.h $(MODULE_DIR)/conf-parse.c \
61                  $(MODULE_DIR)/conf-lex.c
62
63 LIBHEADERFILES := $(MODULE_DIR)/error.h $(MODULE_DIR)/sensors.h \
64                   $(MODULE_DIR)/chips.h
65
66 # How to create the shared library
67 ifdef SYSFS_SUPPORT
68 $(MODULE_DIR)/$(LIBSHLIBNAME): $(LIBSHOBJECTS)
69         $(CC) -shared -Wl,-soname,$(LIBSHSONAME) -o $@ $^ -lc -lm -lsysfs
70 else
71 $(MODULE_DIR)/$(LIBSHLIBNAME): $(LIBSHOBJECTS)
72         $(CC) -shared -Wl,-soname,$(LIBSHSONAME) -o $@ $^ -lc -lm
73 endif
74
75 $(MODULE_DIR)/$(LIBSHSONAME): $(MODULE_DIR)/$(LIBSHLIBNAME)
76         $(RM) $@
77         $(LN) $(LIBSHLIBNAME) $@
78
79 $(MODULE_DIR)/$(LIBSHBASENAME): $(MODULE_DIR)/$(LIBSHLIBNAME)
80         $(RM) $@
81         $(LN) $(LIBSHLIBNAME) $@
82
83 # And the static library
84 $(MODULE_DIR)/$(LIBSTLIBNAME): $(LIBSTOBJECTS)
85         $(RM) $@
86         $(AR) rcvs $@ $^
87
88 # Depencies for non-C sources
89 $(MODULE_DIR)/conf-lex.c: $(MODULE_DIR)/conf-lex.l $(MODULE_DIR)/general.h \
90                           $(MODULE_DIR)/data.h $(MODULE_DIR)/conf-parse.h
91 $(MODULE_DIR)/conf-parse.c: $(MODULE_DIR)/conf-parse.y $(MODULE_DIR)/general.h \
92                             $(MODULE_DIR)/data.h
93 $(MODULE_DIR)/conf-parse.h: $(MODULE_DIR)/conf-parse.c
94
95 # Include all dependency files
96 INCLUDEFILES += $(LIBCSOURCES:.c=.ld) $(LIBCSOURCES:.c=.ad)
97
98 # Special warning prevention for flex-generated files
99 $(MODULE_DIR)/conf-lex.ao: $(MODULE_DIR)/conf-lex.c
100         $(CC) $(ARCPPFLAGS) $(ARCFLAGS) -Wno-unused -c $< -o $@
101 $(MODULE_DIR)/conf-lex.lo: $(MODULE_DIR)/conf-lex.c
102         $(CC) $(LIBCPPFLAGS) $(LIBCFLAGS) -Wno-unused -c $< -o $@
103
104 REMOVELIBST := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBDIR)/%,$(LIB_DIR)/$(LIBSTLIBNAME))
105 REMOVELIBSH := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBDIR)/%,$(LIB_DIR)/$(LIBSHLIBNAME))
106 REMOVELNSO  := $(DESTDIR)$(LIBDIR)/$(LIBSHSONAME)
107 REMOVELNBS  := $(DESTDIR)$(LIBDIR)/$(LIBSHBASENAME)
108 REMOVELIBHF := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBINCLUDEDIR)/%,$(LIBHEADERFILES))
109 REMOVEMAN3  := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBMAN3DIR)/%,$(LIBMAN3FILES))
110 REMOVEMAN5  := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBMAN5DIR)/%,$(LIBMAN5FILES))
111
112 all-lib: $(LIBTARGETS)
113 user :: all-lib
114
115 # Generate warnings if the install directory isn't in /etc/ld.so.conf
116 # or if the library wasn't there before (which means ldconfig must be run).
117 # Note that some ld.so's put /usr/lib and /lib first, others put them last,
118 # so we can't make any assumptions.
119 install-lib: all-lib
120         $(MKDIR) $(DESTDIR)$(LIBDIR) $(DESTDIR)$(LIBINCLUDEDIR) $(DESTDIR)$(LIBMAN3DIR) $(DESTDIR)$(LIBMAN5DIR)
121         @if [ ! -e "$(DESTDIR)$(LIBDIR)/$(LIBSHSONAME)" ] ; then \
122              echo '******************************************************************************' ; \
123              echo 'Warning: This is the first installation of the $(LIBSHSONAME)*' ; \
124              echo '         library files in $(DESTDIR)$(LIBDIR)!' ; \
125              echo '         You must update the library cache or the userspace tools may fail' ; \
126              echo '         or have unpredictable results!' ; \
127                  echo '         Run the following command: /sbin/ldconfig' ; \
128              echo '******************************************************************************' ; \
129         fi
130         $(INSTALL) -m 644 $(LIB_DIR)/$(LIBSTLIBNAME) $(DESTDIR)$(LIBDIR)
131         $(INSTALL) -m 755 $(LIB_DIR)/$(LIBSHLIBNAME) $(DESTDIR)$(LIBDIR)
132         $(LN) $(LIBSHLIBNAME) $(DESTDIR)$(LIBDIR)/$(LIBSHSONAME)
133         $(LN) $(LIBSHSONAME) $(DESTDIR)$(LIBDIR)/$(LIBSHBASENAME)
134         @if [ "$(DESTDIR)$(LIBDIR)" != "/usr/lib" -a "$(DESTDIR)$(LIBDIR)" != "/lib" ] ; then \
135            if [ -e "/usr/lib/$(LIBSHSONAME)" -o -e "/usr/lib/$(LIBSHBASENAME)" ] ; then \
136              echo '******************************************************************************' ; \
137              echo 'Warning: You have at least one $(LIBSHBASENAME) library file in /usr/lib' ; \
138              echo '         and the new library files are in $(DESTDIR)$(LIBDIR)!' ; \
139              echo '         These old files must be removed or the userspace tools may fail' ; \
140              echo '         or have unpredictable results!' ; \
141              echo '         Run the following command: rm /usr/lib/$(LIBSHBASENAME)*' ; \
142              echo '******************************************************************************' ; \
143            fi ; \
144            grep -q '^$(DESTDIR)$(LIBDIR)$$' /etc/ld.so.conf || \
145            grep -q '^$(DESTDIR)$(LIBDIR)[[:space:]:,=]' /etc/ld.so.conf || \
146            grep -q '[[:space:]:,]$(DESTDIR)$(LIBDIR)$$' /etc/ld.so.conf || \
147            grep -q '[[:space:]:,]$(DESTDIR)$(LIBDIR)[[:space:]:,=]' /etc/ld.so.conf || \
148                 ( echo '******************************************************************************' ; \
149                   echo 'Warning: Library directory $(DESTDIR)$(LIBDIR) is not in /etc/ld.so.conf!' ; \
150                   echo '         Add it and run /sbin/ldconfig for the userspace tools to work.' ; \
151                   echo '******************************************************************************' ) ; \
152         fi
153         $(INSTALL) -m 644 $(LIBHEADERFILES) $(DESTDIR)$(LIBINCLUDEDIR)
154         $(INSTALL) -m 644 $(LIBMAN3FILES) $(DESTDIR)$(LIBMAN3DIR)
155         $(INSTALL) -m 644 $(LIBMAN5FILES) $(DESTDIR)$(LIBMAN5DIR)
156
157
158 user_install :: install-lib
159
160 user_uninstall::
161         $(RM) $(REMOVELIBST) $(REMOVELIBSH) $(REMOVELNSO) $(REMOVELNBS)
162         $(RM) $(REMOVELIBHF) $(REMOVEMAN3) $(REMOVEMAN5)
163 # Remove directory if empty, ignore failure
164         $(RMDIR) $(DESTDIR)$(LIBINCLUDEDIR) 2> /dev/null || true
165
166 clean-lib:
167         $(RM) $(LIB_DIR)/*.ld $(LIB_DIR)/*.ad
168         $(RM) $(LIB_DIR)/*.lo $(LIB_DIR)/*.ao
169         $(RM) $(LIBTARGETS) $(LIBEXTRACLEAN)
170 # old versions
171         $(RM) $(LIB_DIR)/$(LIBSHBASENAME).*
172 clean :: clean-lib
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