Makefile

   1 # Makefile for udev
   2 #
   3 # Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
   4 # Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; version 2 of the License.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18 #
  19
  20 VERSION = 071
  21
  22 # set this to make use of syslog
  23 USE_LOG = true
  24
  25 # compile-in development debug messages
  26 # (export UDEV_LOG="debug" or set udev_log="debug" in udev.conf
  27 #  to print the debug messages to syslog)
  28 DEBUG = false
  29
  30 # compile with gcc's code coverage option
  31 # (use it with DEBUG, works only with glibc)
  32 USE_GCOV = false
  33
  34 # include Security-Enhanced Linux support
  35 USE_SELINUX = false
  36
  37 # comile with klibc instead of glibc
  38 USE_KLIBC = false
  39
  40 # set this to create statically linked binaries
  41 USE_STATIC = false
  42
  43 # to build any of the extras programs pass:
  44 #  make EXTRAS="extras/<extra1> extras/<extra2>"
  45 EXTRAS =
  46
  47 # make the build silent. Set this to something else to make it noisy again.
  48 V = false
  49
  50 PROGRAMS = \
  51         udev                            \
  52         udevd                           \
  53         udevsend                        \
  54         udevrulescompile                \
  55         udevinitsend                    \
  56         udeveventrecorder               \
  57         udevcontrol                     \
  58         udevmonitor                     \
  59         udevinfo                        \
  60         udevtest                        \
  61         udevstart
  62
  63 HEADERS = \
  64         udev.h                          \
  65         udev_utils.h                    \
  66         udev_rules.h                    \
  67         udev_db.h                       \
  68         udev_sysfs.h                    \
  69         logging.h                       \
  70         udev_libc_wrapper.h             \
  71         udev_selinux.h                  \
  72         list.h
  73
  74 UDEV_OBJS = \
  75         udev_event.o                    \
  76         udev_device.o                   \
  77         udev_config.o                   \
  78         udev_add.o                      \
  79         udev_remove.o                   \
  80         udev_sysfs.o                    \
  81         udev_db.o                       \
  82         udev_rules.o                    \
  83         udev_rules_parse.o              \
  84         udev_utils.o                    \
  85         udev_utils_string.o             \
  86         udev_utils_file.o               \
  87         udev_utils_run.o                \
  88         udev_libc_wrapper.o
  89 LIBUDEV = libudev.a
  90
  91 MAN_PAGES = \
  92         udev.8                          \
  93         udevmonitor.8                   \
  94         udevd.8                         \
  95         udevsend.8                      \
  96         udevtest.8                      \
  97         udevinfo.8                      \
  98         udevstart.8
  99
 100 SYSFS_OBJS = \
 101         libsysfs/sysfs_class.o          \
 102         libsysfs/sysfs_device.o         \
 103         libsysfs/sysfs_dir.o            \
 104         libsysfs/sysfs_driver.o         \
 105         libsysfs/sysfs_utils.o          \
 106         libsysfs/dlist.o
 107 LIBSYSFS = libsysfs/libsysfs.a
 108
 109 # config files automatically generated
 110 GEN_CONFIGS = \
 111         $(LOCAL_CFG_DIR)/udev.conf
 112
 113 GEN_HEADERS = \
 114         udev_version.h
 115
 116 # override this to make udev look in a different location for it's config files
 117 prefix =
 118 exec_prefix =   ${prefix}
 119 etcdir =        ${prefix}/etc
 120 sbindir =       ${exec_prefix}/sbin
 121 usrbindir =     ${exec_prefix}/usr/bin
 122 usrsbindir =    ${exec_prefix}/usr/sbin
 123 mandir =        ${prefix}/usr/share/man
 124 configdir =     ${etcdir}/udev
 125 udevdir =       /dev
 126 udevdb =        ${udevdir}/.udevdb
 127 LOCAL_CFG_DIR = etc/udev
 128 KERNEL_DIR =    /lib/modules/${shell uname -r}/build
 129 srcdir = .
 130 DESTDIR =
 131 RELEASE_NAME =  udev-$(VERSION)
 132
 133 INSTALL = /usr/bin/install -c
 134 INSTALL_PROGRAM = ${INSTALL}
 135 INSTALL_DATA  = ${INSTALL} -m 644
 136 INSTALL_SCRIPT = ${INSTALL_PROGRAM}
 137 PWD = $(shell pwd)
 138
 139 CROSS =
 140 CC = $(CROSS)gcc
 141 LD = $(CROSS)gcc
 142 AR = $(CROSS)ar
 143 STRIP = $(CROSS)strip
 144 RANLIB = $(CROSS)ranlib
 145 HOSTCC = gcc
 146
 147 # check if compiler option is supported
 148 cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi;}
 149
 150 CFLAGS          += -g -Wall -pipe -fno-builtin -Wstrict-prototypes -Wsign-compare \
 151                    -Wchar-subscripts -Wmissing-declarations -Wnested-externs \
 152                    -Wpointer-arith -Wcast-align -Wsign-compare -Wmissing-prototypes \
 153                    -Wshadow
 154 CFLAGS          += $(call cc-supports, -Wdeclaration-after-statement, )
 155 CFLAGS          += -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
 156
 157 LDFLAGS = -Wl,-warn-common
 158
 159 # use '-Os' optimization if available, else use -O2
 160 OPTFLAGS := $(call cc-supports, -Os, -O2)
 161
 162 # include our local copy of libsysfs
 163 CFLAGS +=       -I$(PWD)/libsysfs/sysfs \
 164                 -I$(PWD)/libsysfs
 165
 166 ifeq ($(strip $(USE_LOG)),true)
 167         CFLAGS += -DUSE_LOG
 168 endif
 169
 170 # if DEBUG is enabled, then we do not strip or optimize
 171 ifeq ($(strip $(DEBUG)),true)
 172         CFLAGS  += -DDEBUG
 173         STRIPCMD = /bin/true -Since_we_are_debugging
 174 else
 175         CFLAGS  += $(OPTFLAGS) -fomit-frame-pointer
 176         LDFLAGS += -s -Wl
 177         STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
 178 endif
 179
 180 ifeq ($(strip $(USE_GCOV)),true)
 181         CFLAGS += -fprofile-arcs -ftest-coverage
 182         LDFLAGS += -fprofile-arcs
 183 endif
 184
 185 # if our own version of klibc is used, we need to build it
 186 ifeq ($(strip $(USE_KLIBC)),true)
 187         KLIBC_INSTALL   = $(PWD)/klibc/.install
 188         KLCC            = $(KLIBC_INSTALL)/bin/$(CROSS)klcc
 189         CC              = $(KLCC)
 190         LD              = $(KLCC)
 191 endif
 192
 193 ifeq ($(strip $(USE_SELINUX)),true)
 194         UDEV_OBJS += udev_selinux.o
 195         LIB_OBJS += -lselinux -lsepol
 196         CFLAGS += -DUSE_SELINUX
 197 endif
 198
 199 ifeq ($(strip $(USE_STATIC)),true)
 200         CFLAGS += -DUSE_STATIC
 201         LDFLAGS += -static
 202 endif
 203
 204 ifeq ($(strip $(V)),false)
 205         QUIET=@$(PWD)/ccdv
 206         HOST_PROGS=ccdv
 207 else
 208         QUIET=
 209         HOST_PROGS=
 210 endif
 211
 212 all: $(KLCC) $(PROGRAMS) $(MAN_PAGES)
 213         @extras="$(EXTRAS)"; for target in $$extras; do \
 214                 echo $$target; \
 215                 $(MAKE) prefix=$(prefix) \
 216                         CC="$(CC)" \
 217                         CFLAGS="$(CFLAGS)" \
 218                         LD="$(LD)" \
 219                         LDFLAGS="$(LDFLAGS)" \
 220                         STRIPCMD="$(STRIPCMD)" \
 221                         LIB_OBJS="$(LIB_OBJS)" \
 222                         LIBUDEV="$(PWD)/$(LIBUDEV)" \
 223                         LIBSYSFS="$(PWD)/$(LIBSYSFS)" \
 224                         KERNEL_DIR="$(KERNEL_DIR)" \
 225                         QUIET="$(QUIET)" \
 226                         -C $$target $@; \
 227         done;
 228 .PHONY: all
 229 .DEFAULT: all
 230
 231 # clear implicit rules
 232 .SUFFIXES:
 233
 234 # build the objects
 235 %.o: %.c $(GEN_HEADERS)
 236         $(QUIET) $(CC) -c $(CFLAGS) $< -o $@
 237
 238 # "Static Pattern Rule" to build all programs
 239 $(PROGRAMS): %: $(HOST_PROGS) $(KLCC) $(HEADERS) $(GEN_HEADERS) $(LIBSYSFS) $(LIBUDEV) %.o
 240         $(QUIET) $(LD) $(LDFLAGS) $@.o -o $@ $(LIBUDEV) $(LIBSYSFS) $(LIB_OBJS)
 241         $(QUIET) $(STRIPCMD) $@
 242
 243 # our own copy of klibc, it is not used if KLCC is given
 244 $(KLCC):
 245         $(MAKE) -C klibc KRNLSRC=$(KERNEL_DIR) SUBDIRS=klibc TESTS= \
 246                          SHLIBDIR=$(KLIBC_INSTALL)/lib \
 247                          INSTALLDIR=$(KLIBC_INSTALL) \
 248                          bindir=$(KLIBC_INSTALL)/bin \
 249                          mandir=$(KLIBC_INSTALL)/man all install
 250 .NOTPARALLEL: $(KLCC)
 251
 252 $(UDEV_OBJS): $(KLCC)
 253 $(LIBUDEV): $(HOST_PROGS) $(HEADERS) $(GEN_HEADERS) $(UDEV_OBJS)
 254         @rm -f $@
 255         $(QUIET) $(AR) cq $@ $(UDEV_OBJS)
 256         $(QUIET) $(RANLIB) $@
 257
 258 $(SYSFS_OBJS): $(KLCC)
 259 $(LIBSYSFS): $(HOST_PROGS) $(SYSFS_OBJS)
 260         @rm -f $@
 261         $(QUIET) $(AR) cq $@ $(SYSFS_OBJS)
 262         $(QUIET) $(RANLIB) $@
 263
 264 # generate config files
 265 $(GEN_CONFIGS):
 266         sed -e "s:@udevdir@:$(udevdir):" -e "s:@configdir@:$(configdir):" < $@.in > $@
 267
 268 # generate config header file
 269 udev_version.h:
 270         @echo "Creating udev_version.h"
 271         @echo \#define UDEV_VERSION             \"$(VERSION)\" > $@
 272         @echo \#define UDEV_ROOT                \"$(udevdir)\" >> $@
 273         @echo \#define UDEV_DB                  \"$(udevdb)\" >> $@
 274         @echo \#define UDEV_CONFIG_DIR          \"$(configdir)\" >> $@
 275         @echo \#define UDEV_CONFIG_FILE         \"$(configdir)/udev.conf\" >> $@
 276         @echo \#define UDEV_RULES_FILE          \"$(configdir)/rules.d\" >> $@
 277         @echo \#define UDEV_BIN                 \"$(sbindir)/udev\" >> $@
 278         @echo \#define UDEVD_BIN                \"$(sbindir)/udevd\" >> $@
 279
 280 # man pages
 281 %.8: docs/%.xml
 282         xmlto man $?
 283 .PRECIOUS: %.8
 284
 285 ccdv: ccdv.c
 286         @$(HOSTCC) -O1 ccdv.c -o ccdv
 287 .SILENT: ccdv
 288
 289 clean:
 290         - find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print0 | xargs -0rt rm -f
 291         - find -name "*.gcno" -print0 | xargs -0rt rm -f
 292         - find -name "*.gcda" -print0 | xargs -0rt rm -f
 293         - find -name "*.gcov" -print0 | xargs -0rt rm -f
 294         - rm -f udev_gcov.txt
 295         - rm -f core $(PROGRAMS) $(GEN_HEADERS) $(GEN_CONFIGS)
 296         $(MAKE) -C klibc SUBDIRS=klibc clean
 297         @extras="$(EXTRAS)"; for target in $$extras; do \
 298                 echo $$target; \
 299                 $(MAKE) prefix=$(prefix) -C $$target $@; \
 300         done;
 301 .PHONY: clean
 302
 303 spotless: clean
 304         $(MAKE) -C klibc SUBDIRS=klibc spotless
 305         rm -rf klibc/.install
 306 .PHONY: spotless
 307
 308 release: spotless
 309         git-tar-tree HEAD $(RELEASE_NAME) | gzip -9v > $(RELEASE_NAME).tar.gz
 310         @echo "$(RELEASE_NAME).tar.gz created"
 311 .PHONY: release
 312
 313 install-config: $(GEN_CONFIGS)
 314         $(INSTALL) -d $(DESTDIR)$(configdir)/rules.d
 315         @if [ ! -r $(DESTDIR)$(configdir)/udev.conf ]; then \
 316                 echo $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.conf $(DESTDIR)$(configdir); \
 317                 $(INSTALL_DATA) $(LOCAL_CFG_DIR)/udev.conf $(DESTDIR)$(configdir); \
 318         fi
 319         @if [ ! -r $(DESTDIR)$(configdir)/rules.d/50-udev.rules ]; then \
 320                 echo; \
 321                 echo "pick a udev rules file from the etc/udev directory that matches your distribution"; \
 322                 echo; \
 323         fi
 324         @extras="$(EXTRAS)"; for target in $$extras; do \
 325                 echo $$target; \
 326                 $(MAKE) prefix=$(prefix) -C $$target $@; \
 327         done;
 328 .PHONY: install-config
 329
 330 install-man:
 331         $(INSTALL_DATA) -D udev.8 $(DESTDIR)$(mandir)/man8/udev.8
 332         $(INSTALL_DATA) -D udevinfo.8 $(DESTDIR)$(mandir)/man8/udevinfo.8
 333         $(INSTALL_DATA) -D udevtest.8 $(DESTDIR)$(mandir)/man8/udevtest.8
 334         $(INSTALL_DATA) -D udevstart.8 $(DESTDIR)$(mandir)/man8/udevstart.8
 335         $(INSTALL_DATA) -D udevd.8 $(DESTDIR)$(mandir)/man8/udevd.8
 336         $(INSTALL_DATA) -D udevsend.8 $(DESTDIR)$(mandir)/man8/udevsend.8
 337         $(INSTALL_DATA) -D udevmonitor.8 $(DESTDIR)$(mandir)/man8/udevmonitor.8
 338         - ln -f -s udevd.8 $(DESTDIR)$(mandir)/man8/udevcontrol.8
 339         @extras="$(EXTRAS)"; for target in $$extras; do \
 340                 echo $$target; \
 341                 $(MAKE) prefix=$(prefix) -C $$target $@; \
 342         done;
 343 .PHONY: install-man
 344
 345 uninstall-man:
 346         - rm -f $(mandir)/man8/udev.8
 347         - rm -f $(mandir)/man8/udevinfo.8
 348         - rm -f $(mandir)/man8/udevtest.8
 349         - rm -f $(mandir)/man8/udevstart.8
 350         - rm -f $(mandir)/man8/udevd.8
 351         - rm -f $(mandir)/man8/udevmonitor.8
 352         - rm -f $(mandir)/man8/udevsend.8
 353         - rm -f $(mandir)/man8/udevcontrol.8
 354         @extras="$(EXTRAS)"; for target in $$extras; do \
 355                 echo $$target; \
 356                 $(MAKE) prefix=$(prefix) -C $$target $@; \
 357         done;
 358 .PHONY: uninstall-man
 359
 360 install-bin:
 361         $(INSTALL) -d $(DESTDIR)$(udevdir)
 362         $(INSTALL_PROGRAM) -D udev $(DESTDIR)$(sbindir)/udev
 363         $(INSTALL_PROGRAM) -D udevd $(DESTDIR)$(sbindir)/udevd
 364         $(INSTALL_PROGRAM) -D udevsend $(DESTDIR)$(sbindir)/udevsend
 365         $(INSTALL_PROGRAM) -D udevcontrol $(DESTDIR)$(sbindir)/udevcontrol
 366         $(INSTALL_PROGRAM) -D udevmonitor $(DESTDIR)$(usrsbindir)/udevmonitor
 367         $(INSTALL_PROGRAM) -D udevinfo $(DESTDIR)$(usrbindir)/udevinfo
 368         $(INSTALL_PROGRAM) -D udevtest $(DESTDIR)$(usrbindir)/udevtest
 369         $(INSTALL_PROGRAM) -D udevstart $(DESTDIR)$(sbindir)/udevstart
 370         @extras="$(EXTRAS)"; for target in $$extras; do \
 371                 echo $$target; \
 372                 $(MAKE) prefix=$(prefix) -C $$target $@; \
 373         done;
 374 ifndef DESTDIR
 375         - killall udevd
 376         - rm -rf $(udevdb)
 377         - $(sbindir)/udevd --daemon
 378 endif
 379 .PHONY: install-bin
 380
 381 uninstall-bin:
 382         - rm -f $(sbindir)/udev
 383         - rm -f $(sbindir)/udevd
 384         - rm -f $(sbindir)/udevsend
 385         - rm -f $(sbindir)/udevinitsend
 386         - rm -f $(sbindir)/udeveventrecoreder
 387         - rm -f $(sbindir)/udevcontrol
 388         - rm -f $(sbindir)/udevstart
 389         - rm -f $(usrsbindir)/udevmonitor
 390         - rm -f $(usrbindir)/udevinfo
 391         - rm -f $(usrbindir)/udevtest
 392         - rm -rf $(udevdb)
 393         - killall udevd
 394         @extras="$(EXTRAS)"; for target in $$extras; do \
 395                 echo $$target; \
 396                 $(MAKE) prefix=$(prefix) -C $$target $@; \
 397         done;
 398 .PHONY: uninstall-bin
 399
 400 install: all install-bin install-config install-man
 401 .PHONY: install
 402
 403 uninstall: uninstall-bin uninstall-man
 404 .PHONY: uninstall
 405
 406 test tests: all
 407         @ cd test && ./udev-test.pl
 408         @ cd test && ./udevstart-test.pl
 409 .PHONY: test tests
 410
 411 buildtest:
 412         ./test/simple-build-check.sh
 413 .PHONY: buildtest
 414
 415 gcov-all:
 416         $(MAKE) clean all DEBUG=true USE_GCOV=true
 417         @echo
 418         @echo "binaries built with gcov support."
 419         @echo "run the tests and analyze with 'make udev_gcov.txt'"
 420 .PHONY: gcov-all
 421
 422 # see docs/README-gcov_for_udev
 423 udev_gcov.txt: $(wildcard *.gcda) $(wildcard *.gcno)
 424         for file in `find -maxdepth 1 -name "*.gcno"`; do \
 425                 name=`basename $$file .gcno`; \
 426                 echo "################" >> $@; \
 427                 echo "$$name.c" >> $@; \
 428                 echo "################" >> $@; \
 429                 if [ -e "$$name.gcda" ]; then \
 430                         gcov -l "$$name.c" >> $@ 2>&1; \
 431                 else \
 432                         echo "code for $$name.c was never executed" >> $@ 2>&1; \
 433                 fi; \
 434                 echo >> $@; \
 435         done; \
 436         echo "view $@ for the result"
 437