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bbbe503ec1
eudev/Makefile
kay.sievers@vrfy.org e5a2989efb [PATCH] udevd race conditions and performance, assorted cleanups - take 2 
here is a patch on top of your nice improvements.
I fixed the whitespace and it hopefully fixes the stupid timestamp bug in
udevd. Some stupid OS sets the hwclock to localtime and linux changes it
to UTC while starting. If any events are pending they may be delayed by
the users time distance from UTC :) So we use the uptime seconds now.
2005-04-26 21:35:13 -07:00

411 lines
13 KiB
Makefile
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# Makefile for udev
#
# Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program 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
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Set the following to control the use of syslog
# Set it to `false' to remove all logging
USE_LOG = true
# Set the following to `true' to log the debug
# and make a unstripped, unoptimized binary.
# Leave this set to `false' for production use.
DEBUG = false
ROOT = udev
DAEMON = udevd
SENDER = udevsend
INFO = udevinfo
TESTER = udevtest
STARTER = udevstart
RULER = udevruler
VERSION = 023_bk
INSTALL_DIR = /usr/local/bin
RELEASE_NAME = $(ROOT)-$(VERSION)
LOCAL_CFG_DIR = etc/udev
HOTPLUG_EXEC = $(ROOT)
DESTDIR =
KERNEL_DIR = /lib/modules/${shell uname -r}/build
# override this to make udev look in a different location for it's config files
prefix =
exec_prefix = ${prefix}
etcdir = ${prefix}/etc
sbindir = ${exec_prefix}/sbin
usrbindir = ${exec_prefix}/usr/bin
mandir = ${prefix}/usr/share/man
hotplugdir = ${etcdir}/hotplug.d/default
configdir = ${etcdir}/udev/
initdir = ${etcdir}/init.d/
dev_ddir = ${etcdir}/dev.d/
srcdir = .
INSTALL = /usr/bin/install -c
INSTALL_PROGRAM = ${INSTALL}
INSTALL_DATA = ${INSTALL} -m 644
INSTALL_SCRIPT = ${INSTALL_PROGRAM}
# To build any of the extras programs, run with:
# make EXTRAS="extras/a extras/b"
EXTRAS=
# place to put our device nodes
udevdir = ${prefix}/udev
# Comment out this line to build with something other
# than the local version of klibc
#USE_KLIBC = true
# set up PWD so that older versions of make will work with our build.
PWD = $(shell pwd)
# If you are running a cross compiler, you may want to set this
# to something more interesting, like "arm-linux-". If you want
# to compile vs uClibc, that can be done here as well.
CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
CC = $(CROSS)gcc
LD = $(CROSS)gcc
AR = $(CROSS)ar
STRIP = $(CROSS)strip
RANLIB = $(CROSS)ranlib
export CROSS CC AR STRIP RANLIB CFLAGS LDFLAGS LIB_OBJS ARCH_LIB_OBJS CRT0
# code taken from uClibc to determine the current arch
ARCH := ${shell $(CC) -dumpmachine | sed -e s'/-.*//' -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \
-e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/powerpc/ppc/g'}
# code taken from uClibc to determine the gcc include dir
GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"}
# code taken from uClibc to determine the libgcc.a filename
GCC_LIB := $(shell $(CC) -print-libgcc-file-name )
# use '-Os' optimization if available, else use -O2
OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
then echo "-Os"; else echo "-O2" ; fi}
# add -Wredundant-decls when libsysfs gets cleaned up
WARNINGS := -Wall
# Some nice architecture specific optimizations
ifeq ($(strip $(TARGET_ARCH)),arm)
OPTIMIZATION+=-fstrict-aliasing
endif
ifeq ($(strip $(TARGET_ARCH)),i386)
OPTIMIZATION+=-march=i386
OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \
/dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi}
OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \
/dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi}
CFLAGS+=-pipe
else
CFLAGS+=-pipe
endif
ifeq ($(strip $(USE_LOG)),true)
CFLAGS += -DLOG
endif
# if DEBUG is enabled, then we do not strip or optimize
ifeq ($(strip $(DEBUG)),true)
CFLAGS += -O1 -g -DDEBUG -D_GNU_SOURCE
LDFLAGS += -Wl,-warn-common
STRIPCMD = /bin/true -Since_we_are_debugging
else
CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
LDFLAGS += -s -Wl,-warn-common
STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
endif
# If we are using our version of klibc, then we need to build, link it, and then
# link udev against it statically.
# Otherwise, use glibc and link dynamically.
ifeq ($(strip $(USE_KLIBC)),true)
KLIBC_BASE = $(PWD)/klibc
KLIBC_DIR = $(KLIBC_BASE)/klibc
INCLUDE_DIR := $(KLIBC_DIR)/include
LINUX_INCLUDE_DIR := $(KERNEL_DIR)/include
# LINUX_INCLUDE_DIR := $(KLIBC_BASE)/linux/include
include $(KLIBC_DIR)/arch/$(ARCH)/MCONFIG
# arch specific objects
ARCH_LIB_OBJS = \
$(KLIBC_DIR)/libc.a
CRT0 = $(KLIBC_DIR)/crt0.o
LIBC = $(ARCH_LIB_OBJS) $(LIB_OBJS) $(CRT0)
CFLAGS += $(WARNINGS) -nostdinc \
$(OPTFLAGS) \
-D__KLIBC__ -fno-builtin-printf \
-I$(INCLUDE_DIR) \
-I$(KLIBC_DIR)/arch/$(ARCH)/include \
-I$(INCLUDE_DIR)/bits$(BITSIZE) \
-I$(GCCINCDIR) \
-I$(LINUX_INCLUDE_DIR)
LIB_OBJS =
LDFLAGS = --static --nostdlib -nostartfiles -nodefaultlibs
else
WARNINGS += -Wshadow -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
CRT0 =
LIBC =
CFLAGS += $(WARNINGS) -I$(GCCINCDIR)
LIB_OBJS = -lc
LDFLAGS =
endif
CFLAGS += -I$(PWD)/libsysfs
all: $(ROOT) $(SENDER) $(DAEMON) $(INFO) $(TESTER) $(STARTER)
@extras="$(EXTRAS)" ; for target in $$extras ; do \
echo $$target ; \
$(MAKE) prefix=$(prefix) \
LD="$(LD)" \
SYSFS="$(SYSFS)" \
KERNEL_DIR="$(KERNEL_DIR)" \
-C $$target $@ ; \
done ; \
$(ARCH_LIB_OBJS) : $(CRT0)
$(CRT0):
$(MAKE) -C klibc KERNEL_DIR=$(KERNEL_DIR)
TDB = tdb/tdb.o \
tdb/spinlock.o
SYSFS = $(PWD)/libsysfs/sysfs_bus.o \
$(PWD)/libsysfs/sysfs_class.o \
$(PWD)/libsysfs/sysfs_device.o \
$(PWD)/libsysfs/sysfs_dir.o \
$(PWD)/libsysfs/sysfs_driver.o \
$(PWD)/libsysfs/sysfs_utils.o \
$(PWD)/libsysfs/dlist.o
OBJS = udev_lib.o \
udev_config.o \
udev-add.o \
udev-remove.o \
udevdb.o \
namedev.o \
namedev_parse.o \
dev_d.o \
$(SYSFS) \
$(TDB)
HEADERS = udev.h \
udev_lib.h \
namedev.h \
udev_version.h \
udevdb.h \
klibc_fixups.h \
logging.h \
list.h
ifeq ($(strip $(USE_KLIBC)),true)
OBJS += klibc_fixups.o
KLIBC_FIXUP = klibc_fixups.o
endif
# header files automatically generated
GEN_HEADERS = udev_version.h
# Rules on how to create the generated header files
udev_version.h:
@echo \#define UDEV_VERSION \"$(VERSION)\" > $@
@echo \#define UDEV_ROOT \"$(udevdir)/\" >> $@
@echo \#define UDEV_DB \"$(udevdir)/\.udev.tdb\" >> $@
@echo \#define UDEV_CONFIG_DIR \"$(configdir)\" >> $@
@echo \#define UDEV_CONFIG_FILE \"$(configdir)\udev.conf\" >> $@
@echo \#define UDEV_RULES_FILE \"$(configdir)\udev.rules\" >> $@
@echo \#define UDEV_PERMISSION_FILE \"$(configdir)\udev.permissions\" >> $@
@echo \#define UDEV_LOG_DEFAULT \"yes\" >> $@
@echo \#define UDEV_BIN \"$(DESTDIR)$(sbindir)/udev\" >> $@
@echo \#define UDEVD_BIN \"$(DESTDIR)$(sbindir)/udevd\" >> $@
# config files automatically generated
GEN_CONFIGS = $(LOCAL_CFG_DIR)/udev.conf
# Rules on how to create the generated config files
$(LOCAL_CFG_DIR)/udev.conf:
sed -e "s:@udevdir@:$(udevdir):" < $(LOCAL_CFG_DIR)/udev.conf.in > $@
$(OBJS): $(GEN_HEADERS)
$(ROOT).o: $(GEN_HEADERS)
$(TESTER).o: $(GEN_HEADERS)
$(INFO).o: $(GEN_HEADERS)
$(DAEMON).o: $(GEN_HEADERS)
$(SENDER).o: $(GEN_HEADERS)
$(STARTER).o: $(GEN_HEADERS)
$(ROOT): $(ROOT).o $(OBJS) $(HEADERS) $(LIBC)
$(LD) $(LDFLAGS) -o $@ $(CRT0) udev.o $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $@
$(TESTER): $(TESTER).o $(OBJS) $(HEADERS) $(LIBC)
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevtest.o $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $@
$(INFO): $(INFO).o $(OBJS) $(HEADERS) $(LIBC)
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevinfo.o udev_lib.o udev_config.o udevdb.o $(SYSFS) $(TDB) $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $@
$(DAEMON): $(DAEMON).o $(OBJS) udevd.h $(LIBC)
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevd.o udev_lib.o $(KLIBC_FIXUP) $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $@
$(SENDER): $(SENDER).o udevd.h $(LIBC)
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevsend.o udev_lib.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $@
$(STARTER): $(STARTER).o $(HEADERS) $(LIBC)
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevstart.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $@
$(RULER): $(RULER).o $(OBJS) $(HEADERS) $(LIBC)
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevruler.o udev_lib.o udev_config.o udevdb.o $(SYSFS) $(TDB) $(LIB_OBJS) $(ARCH_LIB_OBJS) -lnewt
$(STRIPCMD) $@
clean:
-find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
| xargs rm -f
-rm -f core $(ROOT) $(GEN_HEADERS) $(GEN_CONFIGS) $(INFO) $(DAEMON) $(SENDER) $(TESTER) $(STARTER) $(RULER)
$(MAKE) -C klibc clean
@extras="$(EXTRAS)" ; for target in $$extras ; do \
echo $$target ; \
$(MAKE) prefix=$(prefix) LD="$(LD)" SYSFS="$(SYSFS)" \
-C $$target $@ ; \
done ; \
spotless: clean
$(MAKE) -C klibc spotless
DISTFILES = $(shell find . \( -not -name '.' \) -print | grep -v -e CVS -e "\.tar\.gz$" -e "\/\." -e releases -e BitKeeper -e SCCS -e "\.tdb$" -e test/sys | sort )
DISTDIR := $(RELEASE_NAME)
srcdir = .
release: clean
-rm -rf $(DISTDIR)
mkdir $(DISTDIR)
chmod 777 $(DISTDIR)
bk export $(DISTDIR)
tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz
rm -rf $(DISTDIR)
@echo "$(RELEASE_NAME).tar.gz created"
small_release: $(DISTFILES) clean
# @echo $(DISTFILES)
@-rm -rf $(DISTDIR)
@mkdir $(DISTDIR)
@-chmod 777 $(DISTDIR)
@for file in $(DISTFILES); do \
if test -d $$file; then \
mkdir $(DISTDIR)/$$file; \
else \
cp -p $$file $(DISTDIR)/$$file; \
fi; \
done
@tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz
@rm -rf $(DISTDIR)
@echo "Built $(RELEASE_NAME).tar.gz"
install-initscript: etc/init.d/udev etc/init.d/udev.debian etc/init.d/udev.init.LSB
@if [ -f /etc/redhat-release ]; then \
$(INSTALL_DATA) -D etc/init.d/udev $(DESTDIR)$(initdir)/udev; \
elif [ -f /etc/SuSE-release ]; then \
$(INSTALL_DATA) -D etc/init.d/udev.init.LSB $(DESTDIR)$(initdir)/udev; \
elif [ -f /etc/debian_version ]; then \
$(INSTALL_DATA) -D etc/init.d/udev.debian $(DESTDIR)$(initdir)/udev; \
fi
install-config: $(GEN_CONFIGS)
$(INSTALL) -d $(DESTDIR)$(configdir)
@if [ ! -r $(DESTDIR)$(configdir)udev.conf ]; then \
echo $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.conf $(DESTDIR)$(configdir); \
$(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.conf $(DESTDIR)$(configdir); \
fi
@if [ ! -r $(DESTDIR)$(configdir)udev.rules ]; then \
echo $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.rules $(DESTDIR)$(configdir); \
$(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.rules $(DESTDIR)$(configdir); \
fi
@if [ ! -r $(DESTDIR)$(configdir)udev.permissions ]; then \
echo $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.permissions $(DESTDIR)$(configdir); \
$(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.permissions $(DESTDIR)$(configdir); \
fi
install-dev.d:
$(INSTALL) -d $(DESTDIR)$(dev_ddir)
$(INSTALL) -d $(DESTDIR)$(dev_ddir)default/
install: install-initscript install-config install-dev.d all
$(INSTALL) -d $(DESTDIR)$(udevdir)
$(INSTALL) -d $(DESTDIR)$(hotplugdir)
$(INSTALL_PROGRAM) -D $(ROOT) $(DESTDIR)$(sbindir)/$(ROOT)
$(INSTALL_PROGRAM) -D $(DAEMON) $(DESTDIR)$(sbindir)/$(DAEMON)
$(INSTALL_PROGRAM) -D $(SENDER) $(DESTDIR)$(sbindir)/$(SENDER)
$(INSTALL_PROGRAM) -D $(INFO) $(DESTDIR)$(usrbindir)/$(INFO)
$(INSTALL_PROGRAM) -D $(TESTER) $(DESTDIR)$(usrbindir)/$(TESTER)
$(INSTALL_PROGRAM) -D $(STARTER) $(DESTDIR)$(sbindir)/$(STARTER)
$(INSTALL_DATA) -D udev.8 $(DESTDIR)$(mandir)/man8/udev.8
$(INSTALL_DATA) -D udevinfo.8 $(DESTDIR)$(mandir)/man8/udevinfo.8
$(INSTALL_DATA) -D udevtest.8 $(DESTDIR)$(mandir)/man8/udevtest.8
$(INSTALL_DATA) -D udevstart.8 $(DESTDIR)$(mandir)/man8/udevstart.8
$(INSTALL_DATA) -D udevd.8 $(DESTDIR)$(mandir)/man8/udevd.8
- ln -f -s udevd.8 $(DESTDIR)$(mandir)/man8/udevsend.8
- ln -f -s $(sbindir)/$(SENDER) $(DESTDIR)$(hotplugdir)/$(ROOT).hotplug
ifndef DESTDIR
- killall udevd
- rm -f $(udevdir)/.udev.tdb
endif
@extras="$(EXTRAS)" ; for target in $$extras ; do \
echo $$target ; \
$(MAKE) prefix=$(prefix) LD="$(LD)" SYSFS="$(SYSFS)" \
-C $$target $@ ; \
done ; \
uninstall:
- rm $(hotplugdir)/udev.hotplug
- rm $(configdir)/udev.permissions
- rm $(configdir)/udev.rules
- rm $(configdir)/udev.conf
- rm $(initdir)/udev
- rm $(mandir)/man8/udev.8
- rm $(mandir)/man8/udevinfo.8
- rm $(mandir)/man8/udevtest.8
- rm $(mandir)/man8/udevstart.8
- rm $(mandir)/man8/udevd.8
- rm $(mandir)/man8/udevsend.8
- rm $(sbindir)/$(ROOT)
- rm $(sbindir)/$(DAEMON)
- rm $(sbindir)/$(SENDER)
- rm $(usrbindir)/$(INFO)
- rmdir $(hotplugdir)
- rmdir $(configdir)
- rmdir $(dev_ddir)default
- rmdir $(dev_ddir)
- rm $(udevdir)/.udev.tdb
- rmdir $(udevdir)
@extras="$(EXTRAS)" ; for target in $$extras ; do \
echo $$target ; \
$(MAKE) prefix=$(prefix) LD="$(LD)" SYSFS="$(SYSFS)" \
-C $$target $@ ; \
done ; \
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