Makefile

   1 # Makefile for udev
   2 #
   3 # Copyright (C) 2003  Greg Kroah-Hartman <greg@kroah.com>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; version 2 of the License.
   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 GNU
  12 # 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17 #
  18
  19 # Set the following to control the use of syslog
  20 # Set it to `false' to remove all logging
  21 USE_LOG = true
  22
  23 # Set the following to `true' to log the debug
  24 # and make a unstripped, unoptimized  binary.
  25 # Leave this set to `false' for production use.
  26 DEBUG = false
  27
  28 # Set the following to `true' to make udev emit a D-BUS signal when a
  29 # new node is created.
  30 USE_DBUS = false
  31
  32
  33 ROOT =          udev
  34 DAEMON =        udevd
  35 SENDER =        udevsend
  36 HELPER =        udevinfo
  37 VERSION =       016_bk
  38 INSTALL_DIR =   /usr/local/bin
  39 RELEASE_NAME =  $(ROOT)-$(VERSION)
  40 LOCAL_CFG_DIR = etc/udev
  41 HOTPLUG_EXEC =  $(ROOT)
  42
  43 DESTDIR =
  44
  45 KERNEL_DIR = /lib/modules/${shell uname -r}/build
  46
  47 # override this to make udev look in a different location for it's config files
  48 prefix =
  49 exec_prefix =   ${prefix}
  50 etcdir =        ${prefix}/etc
  51 sbindir =       ${exec_prefix}/sbin
  52 mandir =        ${prefix}/usr/share/man
  53 hotplugdir =    ${etcdir}/hotplug.d/default
  54 dbusdir =       ${etcdir}/dbus-1/system.d
  55 configdir =     ${etcdir}/udev/
  56 initdir =       ${etcdir}/init.d/
  57 srcdir = .
  58
  59 INSTALL = /usr/bin/install -c
  60 INSTALL_PROGRAM = ${INSTALL}
  61 INSTALL_DATA  = ${INSTALL} -m 644
  62 INSTALL_SCRIPT = ${INSTALL_PROGRAM}
  63
  64 # To build any of the extras programs, run with:
  65 #       make EXTRAS="extras/a extras/b"
  66 EXTRAS=
  67
  68 # place to put our device nodes
  69 udevdir = ${prefix}/udev
  70
  71 # Comment out this line to build with something other
  72 # than the local version of klibc
  73 #USE_KLIBC = true
  74
  75 # If you are running a cross compiler, you may want to set this
  76 # to something more interesting, like "arm-linux-".  If you want
  77 # to compile vs uClibc, that can be done here as well.
  78 CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
  79 CC = $(CROSS)gcc
  80 LD = $(CROSS)gcc
  81 AR = $(CROSS)ar
  82 STRIP = $(CROSS)strip
  83 RANLIB = $(CROSS)ranlib
  84
  85 export CROSS CC AR STRIP RANLIB CFLAGS LDFLAGS LIB_OBJS ARCH_LIB_OBJS CRT0
  86
  87 # code taken from uClibc to determine the current arch
  88 ARCH := ${shell $(CC) -dumpmachine | sed -e s'/-.*//' -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \
  89         -e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/powerpc/ppc/g'}
  90
  91 # code taken from uClibc to determine the gcc include dir
  92 GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"}
  93
  94 # code taken from uClibc to determine the libgcc.a filename
  95 GCC_LIB := $(shell $(CC) -print-libgcc-file-name )
  96
  97 # use '-Os' optimization if available, else use -O2
  98 OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
  99                 then echo "-Os"; else echo "-O2" ; fi}
 100
 101 # add -Wredundant-decls when libsysfs gets cleaned up
 102 WARNINGS := -Wall
 103
 104 # Some nice architecture specific optimizations
 105 ifeq ($(strip $(TARGET_ARCH)),arm)
 106         OPTIMIZATION+=-fstrict-aliasing
 107 endif
 108 ifeq ($(strip $(TARGET_ARCH)),i386)
 109         OPTIMIZATION+=-march=i386
 110         OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \
 111                 /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi}
 112         OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \
 113                 /dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi}
 114         CFLAGS+=-pipe
 115 else
 116         CFLAGS+=-pipe
 117 endif
 118
 119 ifeq ($(strip $(USE_LOG)),true)
 120         CFLAGS  += -DLOG
 121 endif
 122
 123 # if DEBUG is enabled, then we do not strip or optimize
 124 ifeq ($(strip $(DEBUG)),true)
 125         CFLAGS  += -O1 -g -DDEBUG -D_GNU_SOURCE
 126         LDFLAGS += -Wl,-warn-common
 127         STRIPCMD = /bin/true -Since_we_are_debugging
 128 else
 129         CFLAGS  += $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
 130         LDFLAGS += -s -Wl,-warn-common
 131         STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
 132 endif
 133
 134 # If we are using our version of klibc, then we need to build, link it, and then
 135 # link udev against it statically.
 136 # Otherwise, use glibc and link dynamically.
 137 ifeq ($(strip $(USE_KLIBC)),true)
 138         KLIBC_BASE      = $(PWD)/klibc
 139         KLIBC_DIR       = $(KLIBC_BASE)/klibc
 140         INCLUDE_DIR     := $(KLIBC_DIR)/include
 141         LINUX_INCLUDE_DIR       := $(KERNEL_DIR)/include
 142 #       LINUX_INCLUDE_DIR       := $(KLIBC_BASE)/linux/include
 143         include $(KLIBC_DIR)/arch/$(ARCH)/MCONFIG
 144         # arch specific objects
 145         ARCH_LIB_OBJS = \
 146                         $(KLIBC_DIR)/libc.a
 147
 148
 149         CRT0 = $(KLIBC_DIR)/crt0.o
 150         LIBC =  $(ARCH_LIB_OBJS) $(LIB_OBJS) $(CRT0)
 151         CFLAGS += $(WARNINGS) -nostdinc                 \
 152                 -D__KLIBC__ -fno-builtin-printf         \
 153                 -I$(INCLUDE_DIR)                        \
 154                 -I$(KLIBC_DIR)/arch/$(ARCH)/include     \
 155                 -I$(INCLUDE_DIR)/bits$(BITSIZE)         \
 156                 -I$(GCCINCDIR)                          \
 157                 -I$(LINUX_INCLUDE_DIR)
 158         LIB_OBJS =
 159         LDFLAGS = --static --nostdlib -nostartfiles -nodefaultlibs
 160         UDEVD =
 161 else
 162         WARNINGS += -Wshadow -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
 163         CRT0 =
 164         LIBC =
 165         CFLAGS += $(WARNINGS) -I$(GCCINCDIR)
 166         LIB_OBJS = -lc
 167         LDFLAGS =
 168         UDEVD = $(DAEMON)
 169 endif
 170
 171 CFLAGS += -I$(PWD)/libsysfs
 172
 173 all: $(ROOT) $(SENDER) $(UDEVD) $(HELPER)
 174         @extras="$(EXTRAS)" ; for target in $$extras ; do \
 175                 echo $$target ; \
 176                 $(MAKE) prefix=$(prefix) \
 177                         LD="$(LD)" \
 178                         SYSFS="$(SYSFS)" \
 179                         KERNEL_DIR="$(KERNEL_DIR)" \
 180                         -C $$target $@ ; \
 181         done ; \
 182
 183 $(ROOT): $(LIBC)
 184
 185 $(ARCH_LIB_OBJS) : $(CRT0)
 186
 187 $(CRT0):
 188         $(MAKE) -C klibc KERNEL_DIR=$(KERNEL_DIR)
 189
 190 TDB =   tdb/tdb.o       \
 191         tdb/spinlock.o
 192
 193 SYSFS = $(PWD)/libsysfs/sysfs_bus.o     \
 194         $(PWD)/libsysfs/sysfs_class.o   \
 195         $(PWD)/libsysfs/sysfs_device.o  \
 196         $(PWD)/libsysfs/sysfs_dir.o     \
 197         $(PWD)/libsysfs/sysfs_driver.o  \
 198         $(PWD)/libsysfs/sysfs_utils.o   \
 199         $(PWD)/libsysfs/dlist.o
 200
 201 OBJS =  udev_config.o   \
 202         udev-add.o      \
 203         udev-remove.o   \
 204         udevdb.o        \
 205         namedev.o       \
 206         namedev_parse.o \
 207         $(SYSFS)        \
 208         $(TDB)
 209
 210 HEADERS =       udev.h          \
 211                 namedev.h       \
 212                 udev_version.h  \
 213                 udev_dbus.h     \
 214                 udevdb.h        \
 215                 klibc_fixups.h  \
 216                 logging.h       \
 217                 list.h
 218
 219 ifeq ($(strip $(USE_KLIBC)),true)
 220         OBJS += klibc_fixups.o
 221 endif
 222
 223 ifeq ($(USE_DBUS), true)
 224         CFLAGS += -DUSE_DBUS
 225         CFLAGS += $(shell pkg-config --cflags dbus-1)
 226         LDFLAGS += $(shell pkg-config --libs dbus-1)
 227         OBJS += udev_dbus.o
 228 endif
 229
 230 # header files automatically generated
 231 GEN_HEADERS =   udev_version.h
 232
 233 # Rules on how to create the generated header files
 234 udev_version.h:
 235         @echo \#define UDEV_VERSION     \"$(VERSION)\" > $@
 236         @echo \#define UDEV_ROOT        \"$(udevdir)/\" >> $@
 237         @echo \#define UDEV_DB          \"$(udevdir)/\.udev.tdb\" >> $@
 238         @echo \#define UDEV_CONFIG_DIR  \"$(configdir)\" >> $@
 239         @echo \#define UDEV_CONFIG_FILE \"$(configdir)\udev.conf\" >> $@
 240         @echo \#define UDEV_RULES_FILE  \"$(configdir)\udev.rules\" >> $@
 241         @echo \#define UDEV_PERMISSION_FILE     \"$(configdir)\udev.permissions\" >> $@
 242         @echo \#define UDEV_BIN         \"$(DESTDIR)$(sbindir)/udev\" >> $@
 243         @echo \#define UDEVD_BIN        \"$(DESTDIR)$(sbindir)/udevd\" >> $@
 244
 245 # config files automatically generated
 246 GEN_CONFIGS =   $(LOCAL_CFG_DIR)/udev.conf
 247
 248 # Rules on how to create the generated config files
 249 $(LOCAL_CFG_DIR)/udev.conf:
 250         sed -e "s:@udevdir@:$(udevdir):" < $(LOCAL_CFG_DIR)/udev.conf.in > $@
 251
 252
 253 $(OBJS): $(GEN_HEADERS)
 254 udev.o: $(GEN_HEADERS)
 255
 256 $(ROOT): udev.o $(OBJS) $(HEADERS) $(GEN_HEADERS)
 257         $(LD) $(LDFLAGS) -o $@ $(CRT0) udev.o $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
 258         $(STRIPCMD) $@
 259
 260 $(HELPER): $(HEADERS) udevinfo.o $(OBJS)
 261         $(LD) $(LDFLAGS) -o $@ $(CRT0) udevinfo.o udev_config.o udevdb.o $(SYSFS) $(TDB) $(LIB_OBJS) $(ARCH_LIB_OBJS)
 262         $(STRIPCMD) $@
 263
 264 $(DAEMON): udevd.h $(GEN_HEADERS) udevd.o
 265         $(LD) $(LDFLAGS) -o $@ $(CRT0) udevd.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
 266         $(STRIPCMD) $@
 267
 268 $(SENDER): udevd.h $(GEN_HEADERS) udevsend.o
 269         $(LD) $(LDFLAGS) -o $@ $(CRT0) udevsend.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
 270         $(STRIPCMD) $@
 271
 272 clean:
 273         -find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
 274          | xargs rm -f
 275         -rm -f core $(ROOT) $(GEN_HEADERS) $(GEN_CONFIGS) $(HELPER) $(DAEMON) $(SENDER)
 276         $(MAKE) -C klibc clean
 277         @extras="$(EXTRAS)" ; for target in $$extras ; do \
 278                 echo $$target ; \
 279                 $(MAKE) prefix=$(prefix) LD="$(LD)" SYSFS="$(SYSFS)" \
 280                         -C $$target $@ ; \
 281         done ; \
 282
 283 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 )
 284 DISTDIR := $(RELEASE_NAME)
 285 srcdir = .
 286 release: clean
 287         @echo "--------------------------cut here------------------------"
 288         @echo "cd .."
 289         @echo "rm -rf $(DISTDIR)"
 290         @echo "mkdir $(DISTDIR)"
 291         @echo "chmod 777 $(DISTDIR)"
 292         @echo "cp -avr udev/* $(DISTDIR)"
 293         @echo "tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz"
 294         @echo "rm -rf $(DISTDIR)"
 295         @echo "--------------------------cut here------------------------"
 296
 297
 298 small_release: $(DISTFILES) clean
 299 #       @echo $(DISTFILES)
 300         @-rm -rf $(DISTDIR)
 301         @mkdir $(DISTDIR)
 302         @-chmod 777 $(DISTDIR)
 303         @for file in $(DISTFILES); do                   \
 304                 if test -d $$file; then                 \
 305                         mkdir $(DISTDIR)/$$file;        \
 306                 else                                    \
 307                         cp -p $$file $(DISTDIR)/$$file; \
 308                 fi;                                     \
 309         done
 310         @tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz
 311         @rm -rf $(DISTDIR)
 312         @echo "Built $(RELEASE_NAME).tar.gz"
 313
 314
 315 ifeq ($(USE_DBUS), true)
 316 install-dbus-policy:
 317         $(INSTALL) -d $(DESTDIR)$(dbusdir)
 318         $(INSTALL_DATA) etc/dbus-1/system.d/udev_sysbus_policy.conf $(DESTDIR)$(dbusdir)
 319
 320 uninstall-dbus-policy:
 321         - rm $(DESTDIR)$(dbusdir)/udev_sysbus_policy.conf
 322 else
 323 install-dbus-policy:
 324         -
 325 uninstall-dbus-policy:
 326         -
 327 endif
 328
 329 install-config: $(GEN_CONFIGS)
 330         $(INSTALL) -d $(DESTDIR)$(configdir)
 331         @if [ ! -r $(DESTDIR)$(configdir)udev.conf ]; then \
 332                 echo $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.conf $(DESTDIR)$(configdir); \
 333                 $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.conf $(DESTDIR)$(configdir); \
 334         fi
 335         @if [ ! -r $(DESTDIR)$(configdir)udev.rules ]; then \
 336                 echo $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.rules $(DESTDIR)$(configdir); \
 337                 $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.rules $(DESTDIR)$(configdir); \
 338         fi
 339         @if [ ! -r $(DESTDIR)$(configdir)udev.permissions ]; then \
 340                 echo $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.permissions $(DESTDIR)$(configdir); \
 341                 $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.permissions $(DESTDIR)$(configdir); \
 342         fi
 343
 344 install: install-config install-dbus-policy all
 345         $(INSTALL) -d $(DESTDIR)$(udevdir)
 346         $(INSTALL) -d $(DESTDIR)$(hotplugdir)
 347         $(INSTALL_PROGRAM) -D $(ROOT) $(DESTDIR)$(sbindir)/$(ROOT)
 348         $(INSTALL_PROGRAM) -D $(DAEMON) $(DESTDIR)$(sbindir)/$(DAEMON)
 349         $(INSTALL_PROGRAM) -D $(SENDER) $(DESTDIR)$(sbindir)/$(SENDER)
 350         $(INSTALL_PROGRAM) -D $(HELPER) $(DESTDIR)$(sbindir)/$(HELPER)
 351         @if [ "x$(USE_LSB)" = "xtrue" ]; then \
 352                 $(INSTALL_PROGRAM) -D etc/init.d/udev.init.LSB $(DESTDIR)$(initdir)/udev; \
 353                 ln -s $(DESTDIR)$(initdir)/udev $(sbindir)/rcudev; \
 354         else \
 355                 $(INSTALL_PROGRAM) -D etc/init.d/udev $(DESTDIR)$(initdir)/udev; \
 356         fi
 357         $(INSTALL_DATA) -D udev.8 $(DESTDIR)$(mandir)/man8/udev.8
 358         $(INSTALL_DATA) -D udevinfo.8 $(DESTDIR)$(mandir)/man8/udevinfo.8
 359         - rm -f $(DESTDIR)$(hotplugdir)/$(ROOT).hotplug
 360         - ln -f -s $(sbindir)/$(SENDER) $(DESTDIR)$(hotplugdir)/$(ROOT).hotplug
 361         @extras="$(EXTRAS)" ; for target in $$extras ; do \
 362                 echo $$target ; \
 363                 $(MAKE) prefix=$(prefix) LD="$(LD)" SYSFS="$(SYSFS)" \
 364                         -C $$target $@ ; \
 365         done ; \
 366
 367 uninstall: uninstall-dbus-policy
 368         - rm $(hotplugdir)/udev.hotplug
 369         - rm $(configdir)/udev.permissions
 370         - rm $(configdir)/udev.rules
 371         - rm $(configdir)/udev.conf
 372         - rm $(initdir)/udev
 373         - rm $(mandir)/man8/udev.8
 374         - rm $(mandir)/man8/udevinfo.8
 375         - rm $(sbindir)/$(ROOT)
 376         - rm $(sbindir)/$(DAEMON)
 377         - rm $(sbindir)/$(SENDER)
 378         - rm $(sbindir)/$(HELPER)
 379         - rmdir $(hotplugdir)
 380         - rmdir $(configdir)
 381         - rmdir $(udevdir)
 382         @extras="$(EXTRAS)" ; for target in $$extras ; do \
 383                 echo $$target ; \
 384                 $(MAKE) prefix=$(prefix) LD="$(LD)" SYSFS="$(SYSFS)" \
 385                         -C $$target $@ ; \
 386         done ; \