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