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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 `true' to make a debuggable build.
# Leave this set to `false' for production use.
DEBUG = true
ROOT = udev
VERSION = 005
INSTALL_DIR = /usr/local/bin
RELEASE_NAME = $(ROOT)-$(VERSION)
# 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
mandir = ${prefix}/usr/share/man
hotplugdir = ${etcdir}/hotplug.d/default
configdir = ${etcdir}/udev/
srcdir = .
INSTALL = /usr/bin/install -c
INSTALL_PROGRAM = ${INSTALL}
INSTALL_DATA = ${INSTALL} -m 644
INSTALL_SCRIPT = ${INSTALL_PROGRAM}
# place to put our device nodes
udevdir = ${prefix}/udev/
# Comment out this line to build with something other
# than the local version of klibc
#KLIBC = true
# If you are running a cross compiler, you may want to set this
# to something more interesting, like "arm-linux-". I 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
AR = $(CROSS)ar
STRIP = $(CROSS)strip
RANLIB = $(CROSS)ranlib
export CROSS CC AR STRIP RANLIB
# 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/ppc/powerpc/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 $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
then echo "-Os"; else echo "-O2" ; fi}
# add -Wredundant-decls when libsysfs gets cleaned up
WARNINGS := -Wall -Wshadow -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
# Some nice architecture specific optimizations
ifeq ($(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 $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \
/dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi}
CFLAGS+=-pipe
else
CFLAGS+=-pipe
endif
# if DEBUG is enabled, then we do not strip or optimize
ifeq ($(strip $(DEBUG)),true)
CFLAGS += $(WARNINGS) -O1 -g -DDEBUG -D_GNU_SOURCE
LDFLAGS += -Wl,-warn-common
STRIPCMD = /bin/true -Since_we_are_debugging
else
CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
LDFLAGS += -s -Wl,-warn-common
STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
endif
# If we are using our version of klibc, then we need to build and link it.
# Otherwise, use glibc and link statically.
ifeq ($(strip $(KLIBC)),true)
KLIBC_DIR = klibc/klibc
INCLUDE_DIR := $(KLIBC_DIR)/include
# arch specific objects
LIBGCC = $(shell $(CC) --print-libgcc)
ARCH_LIB_OBJS = \
$(KLIBC_DIR)/libc.a \
$(LIBGCC)
CRT0 = $(KLIBC_DIR)/crt0.o
LIBC = $(ARCH_LIB_OBJS) $(LIB_OBJS)
CFLAGS += -nostdinc -I$(INCLUDE_DIR) -I$(INCLUDE_DIR)/bits32 -I$(GCCINCDIR) -Iklibc/linux/include -D__KLIBC__
LIB_OBJS =
LDFLAGS = --static --nostdlib -nostartfiles
else
CRT0 =
LIBC =
CFLAGS += -I$(GCCINCDIR)
LIB_OBJS = -lc
LDFLAGS = --static
endif
all: $(LIBC) $(ROOT)
$(ARCH_LIB_OBJS) :
$(MAKE) -C klibc
TDB = tdb/tdb.o \
tdb/spinlock.o
SYSFS = libsysfs/sysfs_bus.o \
libsysfs/sysfs_class.o \
libsysfs/sysfs_device.o \
libsysfs/sysfs_dir.o \
libsysfs/sysfs_driver.o \
libsysfs/sysfs_utils.o \
libsysfs/dlist.o
OBJS = udev.o \
udev-add.o \
udev-remove.o \
udevdb.o \
logging.o \
namedev.o \
klibc_fixups.o \
$(SYSFS) \
$(TDB)
# header files automatically generated
GEN_HEADERS = udev_version.h
# Rules on how to create the generated header files
udev_version.h:
@echo \#define UDEV_VERSION \"$(VERSION)\" > $@
@echo \#define UDEV_CONFIG_DIR \"$(configdir)\" >> $@
@echo \#define UDEV_ROOT \"$(udevdir)\" >> $@
$(ROOT): $(GEN_HEADERS) $(OBJS)
$(CC) $(LDFLAGS) -o $(ROOT) $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $(ROOT)
clean:
-find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
| xargs rm -f
-rm -f core $(ROOT) $(GEN_HEADERS)
$(MAKE) -C klibc clean
DISTFILES = $(shell find . \( -not -name '.' \) -print | grep -v CVS | grep -v "\.tar\.gz" | grep -v "\/\." | grep -v releases | grep -v BitKeeper | grep -v SCCS | grep -v "\.tdb" | grep -v "test\/sys" | sort )
DISTDIR := $(RELEASE_NAME)
srcdir = .
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: all
$(INSTALL) -d $(udevdir)
$(INSTALL) -d $(configdir)
$(INSTALL) -d $(hotplugdir)
$(INSTALL_PROGRAM) -D $(ROOT) $(sbindir)/$(ROOT)
$(INSTALL_DATA) -D udev.8 $(mandir)/man8/udev.8
$(INSTALL_DATA) udev.config $(configdir)
$(INSTALL_DATA) udev.permissions $(configdir)
- ln -s $(sbindir)/$(ROOT) $(hotplugdir)/udev.hotplug
uninstall:
- rm $(hotplugdir)/udev.hotplug
- rm $(configdir)/udev.permissions
- rm $(configdir)/udev.config
- rm $(mandir)/man8/udev.8
- rm $(sbindir)/$(ROOT)
- rmdir $(hotplugdir)
- rmdir $(configdir)
- rmdir $(udevdir)
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