mirror of
https://github.com/lm-sensors/lm-sensors.git
synced 2026-10-14 10:29:31 +00:00
Frodo Looijaard
3d1bd78e60
git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@786 7894878c-1315-0410-8ee3-d5d059ff63e0
284 lines
9.4 KiB
Makefile
284 lines
9.4 KiB
Makefile
# Makefile - Makefile for a Linux module for reading sensor data.
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# Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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# Everything you may want to change is in the top of this file. Usually, you
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# can just use the defaults, fortunately.
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# You need a full complement of GNU utilities to run this Makefile succesfully;
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# most notably, you need bash, GNU make, flex and bison.
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# If your /bin/sh is not bash, change the below definition so that make can
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# find bash. Or you can hope your sh-like shell understands all scripts.
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# I think so, but I have not tested it.
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# SHELL=/usr/bin/bash
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# The location of linux itself. This is used to find the kernel headers
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# and other things.
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LINUX=/usr/src/linux
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LINUX_HEADERS=$(LINUX)/include
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# Determine whether we need to compile the kernel modules, or only the
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# user-space utilities. By default, the kernel modules are compiled.
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#COMPILE_KERNEL := 0
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COMPILE_KERNEL := 1
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# If you have installed the i2c header at some other place (like
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# /usr/local/include/linux), set that directory here. Please check this out
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# if you get strange compilation errors; the default Linux i2c headers
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# may be used mistakenly. Note: This should point to the directory
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# *above* the linux/ subdirectory, so to /usr/local/include in the
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# above example.
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I2C_HEADERS=/usr/local/include
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#I2C_HEADERS=$(LINUX_HEADERS)
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# Uncomment the third line on SMP systems if the magic invocation fails. It
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# is a bit complicated because SMP configuration changed around kernel 2.1.130
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SMP := $(shell if grep -q '^SMP[[:space:]]*=' $(LINUX)/Makefile || \
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grep -q '^[[:space:]]*\#define[[:space:]]*CONFIG_SMP[[:space:]]*1' $(LINUX_HEADERS)/linux/autoconf.h ; \
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then echo 1; else echo 0; fi)
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#SMP := 0
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#SMP := 1
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# Uncomment the second or third line if the magic invocation fails.
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# We need to know whether CONFIG_MODVERSIONS is defined.
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MODVER := $(shell if cat $(LINUX_HEADERS)/linux/config.h $(LINUX_HEADERS)/linux/autoconf.h 2>/dev/null | grep -q '^[[:space:]]*\#define[[:space:]]*CONFIG_MODVERSIONS[[:space:]]*1'; then echo 1; else echo 0; fi)
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#MODVER := 0
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#MODVER := 1
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# Uncomment the second line if you are a developer. This will enable many
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# additional warnings at compile-time
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WARN := 0
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#WARN := 1
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# Uncomment the second line if you want to get (loads of) debug information
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# at run-time.
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# Not recommended, unless you are actually debugging the code
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DEBUG := 0
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#DEBUG := 1
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# If you want to install at some other place then at from which you will run
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# everything, set DESTDIR to the extra prefix.
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DESTDIR :=
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# This is the prefix that will be used for almost all directories below.
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PREFIX := /usr/local
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# This is the directory into which the modules will be installed.
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# The magic invocation will return something like this:
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# /lib/modules/2.2.15-ac9/extra/misc
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MODDIR := /lib/modules/`grep UTS_RELEASE $(LINUX_HEADERS)/linux/version.h|cut -f 2 -d'"'`/extra/misc
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# This is the directory where sensors.conf will be installed, if no other
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# configuration file is found
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ETCDIR := /etc
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# You should not need to change this. It is the directory into which the
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# library files (both static and shared) will be installed.
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LIBDIR := $(PREFIX)/lib
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# You should not need to change this. It is the directory into which the
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# executable program files will be installed. BINDIR for programs that are
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# also useful for normal users, SBINDIR for programs that can only be run
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# by the superuser.
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# Note that not all programs in this package are really installed;
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# some are just examples. You can always install them by hand, of
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# course.
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BINDIR := $(PREFIX)/bin
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SBINDIR := $(PREFIX)/sbin
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# You should not need to change this. It is the basic directory into which
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# include files will be installed. The actual directory will be
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# $(INCLUDEDIR)/linux for system include files, and $(INCLUDEDIR)/sensors
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# for library include files. If PREFIX equals the default /usr/local/bin,
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# you will be able to use '#include <linux/sensors.h>' regardless of the
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# current kernel selected.
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INCLUDEDIR := $(PREFIX)/include
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SYSINCLUDEDIR := $(INCLUDEDIR)/linux
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LIBINCLUDEDIR := $(INCLUDEDIR)/sensors
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# You should not need to change this. It is the base directory under which the
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# manual pages will be installed.
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MANDIR := $(PREFIX)/man
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# You should not need to change this. It defines the manual owner and group
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# as which manual pages are installed.
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MANOWN := root
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MANGRP := root
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##################################################
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# Below this, nothing should need to be changed. #
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##################################################
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# Note that this is a monolithic Makefile; it calls no sub-Makefiles,
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# but instead, it compiles everything right from here. Yes, there are
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# some distinct advantages to this; see the following paper for more info:
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# http://www.tip.net.au/~millerp/rmch/recu-make-cons-harm.html
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# Note that is still uses Makefile fragments in sub-directories; these
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# are called 'Module.mk'.
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# Within each Module.mk, rules and dependencies can be added to targets
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# all, install and clean. Use double colons instead of single ones
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# to do this.
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# The subdirectories we need to build things in
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SRCDIRS := mkpatch
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ifeq ($(COMPILE_KERNEL),1)
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SRCDIRS += kernel kernel/busses kernel/chips kernel/include
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endif
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SRCDIRS += lib prog/sensors prog/sensord prog/dump prog/detect etc
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# Some often-used commands with default options
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MKDIR := mkdir -p
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RM := rm -f
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CC := gcc
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BISON := bison
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FLEX := flex
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AR := ar
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INSTALL := install
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LN := ln -sfn
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GREP := grep
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# Determine the default compiler flags
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# MODCFLAGS is to create in-kernel object files (modules); PROGFLAGS is to
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# create non-kernel object files (which are linked into executables).
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# ARCFLAGS are used to create archive object files (static libraries), and
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# LIBCFLAGS are for shared library objects.
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CFLAGS := -I. -Ikernel/include -I$(I2C_HEADERS) -I$(LINUX_HEADERS) -O2
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ifeq ($(DEBUG),1)
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CFLAGS += -DDEBUG
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endif
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ifeq ($(WARN),1)
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CFLAGS += -Wall -Wstrict-prototypes -Wshadow -Wpointer-arith -Wcast-qual \
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-Wcast-align -Wwrite-strings -Wnested-externs -Winline
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endif
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MODCFLAGS := $(CFLAGS) -D__KERNEL__ -DMODULE -fomit-frame-pointer
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MODCFLAGS := $(MODCFLAGS) -DEXPORT_SYMTAB
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PROGCFLAGS := $(CFLAGS)
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ARCFLAGS := $(CFLAGS)
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LIBCFLAGS := $(CFLAGS) -fpic
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ifeq ($(SMP),1)
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MODCFLAGS += -D__SMP__
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endif
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ifeq ($(MODVER),1)
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MODCFLAGS += -DMODVERSIONS -include $(LINUX_HEADERS)/linux/modversions.h
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endif
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.PHONY: all clean install version package dep
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# Make all the default rule
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all::
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# Include all makefiles for sub-modules
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INCLUDEFILES :=
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include $(patsubst %,%/Module.mk,$(SRCDIRS))
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ifneq ($(MAKECMDGOALS),clean)
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include $(INCLUDEFILES)
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endif
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# Making the dependency files - done automatically!
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dep :
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all ::
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install :: all
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clean::
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$(RM) lm_sensors-*
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# This is tricky, but it works like a charm. It needs lots of utilities
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# though: cut, find, gzip, ln, tail and tar.
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package: version clean
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lmversion=`tail -1 version.h|cut -f 2 -d \"`; \
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lmpackage=lm_sensors-$$lmversion; \
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ln -s . $$lmpackage; \
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find $$lmpackage/ -type f | grep -v ^$$lmpackage/$$lmpackage$$ | \
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grep -v ^$$lmpackage/$$lmpackage.tar$$ | \
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grep -v ^$$lmpackage/$$ | \
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grep -v /CVS | \
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grep -v /\\.# | \
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tar rvf $$lmpackage.tar -T -; \
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gzip -9 $$lmpackage.tar ;\
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$(RM) $$lmpackage.tar $$lmpackage
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cat doc/developers/checklist
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version:
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$(RM) version.h
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echo '#define LM_DATE "'`date +'%Y%m%d'`\" > version.h
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echo -n 'Version: '; \
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echo '#define LM_VERSION "'`read VER; echo $$VER`\" >> version.h
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# Here, we define all implicit rules we want to use.
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.SUFFIXES:
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# We need to create dependency files. Tricky. We sed rule puts dir/file.d and
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# dir/file.c in front of the dependency file rule.
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# .o files are used for modules
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%.o: %.c
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$(CC) $(MODCFLAGS) -c $< -o $@
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%.d: %.c
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$(CC) -M -MG $(MODCFLAGS) $< | \
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sed -e 's@^\(.*\)\.o:@$*.d $*.o: Makefile '`dirname $*.d`/Module.mk' @' > $@
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# .ro files are used for programs (as opposed to modules)
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%.ro: %.c
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$(CC) $(PROGCFLAGS) -c $< -o $@
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%.rd: %.c
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$(CC) -M -MG $(PROGCFLAGS) $< | \
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sed -e 's@^\(.*\)\.o:@$*.rd $*.ro: Makefile '`dirname $*.rd`/Module.mk' @' > $@
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%: %.ro
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$(CC) $(EXLDFLAGS) -o $@ $^
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# .ao files are used for static archives
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%.ao: %.c
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$(CC) $(ARCFLAGS) -c $< -o $@
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%.ad: %.c
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$(CC) -M -MG $(ARCFLAGS) $< | \
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sed -e 's@^\(.*\)\.o:@$*.ad $*.ao: Makefile '`dirname $*.ad`/Module.mk' @' > $@
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# .lo files are used for shared libraries
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%.lo: %.c
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$(CC) $(LIBCFLAGS) -c $< -o $@
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%.ld: %.c
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$(CC) -M -MG $(LIBCFLAGS) $< | \
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sed -e 's@^\(.*\)\.o:@$*.ld $*.lo: Makefile '`dirname $*.ld`/Module.mk' @' > $@
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# Flex and Bison
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%c: %y
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$(BISON) -p sensors_yy -d $< -o $@
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%.c: %.l
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$(FLEX) -Psensors_yy -t $< > $@
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