Makefile

   1 VERSION = 2
   2 PATCHLEVEL = 3
   3 SUBLEVEL = 30
   4 EXTRAVERSION =
   5
   6 ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
   7
   8 .EXPORT_ALL_VARIABLES:
   9
  10 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
  11           else if [ -x /bin/bash ]; then echo /bin/bash; \
  12           else echo sh; fi ; fi)
  13 TOPDIR  := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
  14
  15 HPATH           = $(TOPDIR)/include
  16 FINDHPATH       = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net
  17
  18 HOSTCC          =gcc
  19 HOSTCFLAGS      =-Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
  20
  21 CROSS_COMPILE   =
  22
  23 AS      =$(CROSS_COMPILE)as
  24 LD      =$(CROSS_COMPILE)ld
  25 CC      =$(CROSS_COMPILE)gcc -D__KERNEL__ -I$(HPATH)
  26 CPP     =$(CC) -E
  27 AR      =$(CROSS_COMPILE)ar
  28 NM      =$(CROSS_COMPILE)nm
  29 STRIP   =$(CROSS_COMPILE)strip
  30 OBJDUMP =$(CROSS_COMPILE)objdump
  31 MAKE    =make
  32 GENKSYMS=/sbin/genksyms
  33
  34 all:    do-it-all
  35
  36 #
  37 # Make "config" the default target if there is no configuration file or
  38 # "depend" the target if there is no top-level dependency information.
  39 #
  40 ifeq (.config,$(wildcard .config))
  41 include .config
  42 ifeq (.depend,$(wildcard .depend))
  43 include .depend
  44 do-it-all:      Version vmlinux
  45 else
  46 CONFIGURATION = depend
  47 do-it-all:      depend
  48 endif
  49 else
  50 CONFIGURATION = config
  51 do-it-all:      config
  52 endif
  53
  54 #
  55 # ROOT_DEV specifies the default root-device when making the image.
  56 # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
  57 # the default of FLOPPY is used by 'build'.
  58 #
  59
  60 ROOT_DEV = CURRENT
  61
  62 KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
  63
  64 #
  65 # INSTALL_PATH specifies where to place the updated kernel and system map
  66 # images.  Uncomment if you want to place them anywhere other than root.
  67
  68 #INSTALL_PATH=/boot
  69
  70 #
  71 # INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory
  72 # relocations required by build roots.  This is not defined in the
  73 # makefile but the arguement can be passed to make if needed.
  74 #
  75
  76 #
  77 # If you want to preset the SVGA mode, uncomment the next line and
  78 # set SVGA_MODE to whatever number you want.
  79 # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
  80 # The number is the same as you would ordinarily press at bootup.
  81 #
  82
  83 SVGA_MODE=      -DSVGA_MODE=NORMAL_VGA
  84
  85 #
  86 # standard CFLAGS
  87 #
  88
  89 CFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
  90
  91 # use '-fno-strict-aliasing', but only if the compiler can take it
  92 CFLAGS += $(shell if $(CC) -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-fno-strict-aliasing"; fi)
  93
  94 ifdef CONFIG_SMP
  95 CFLAGS += -D__SMP__
  96 AFLAGS += -D__SMP__
  97 endif
  98
  99 #
 100 # if you want the RAM disk device, define this to be the
 101 # size in blocks.
 102 #
 103
 104 #RAMDISK = -DRAMDISK=512
 105
 106 # Include the make variables (CC, etc...)
 107 #
 108
 109 CORE_FILES      =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o
 110 FILESYSTEMS     =fs/filesystems.a
 111 NETWORKS        =net/network.a
 112 DRIVERS         =drivers/block/block.a \
 113                  drivers/char/char.o \
 114                  drivers/misc/misc.o \
 115                  drivers/net/net.o \
 116                  drivers/parport/parport.a
 117 LIBS            =$(TOPDIR)/lib/lib.a
 118 SUBDIRS         =kernel drivers mm fs net ipc lib
 119
 120 ifdef CONFIG_NUBUS
 121 DRIVERS := $(DRIVERS) drivers/nubus/nubus.a
 122 endif
 123
 124 ifeq ($(CONFIG_ISDN),y)
 125 DRIVERS := $(DRIVERS) drivers/isdn/isdn.a
 126 endif
 127
 128 ifdef CONFIG_NET_FC
 129 DRIVERS := $(DRIVERS) drivers/net/fc/fc.a
 130 endif
 131
 132 ifdef CONFIG_TR
 133 DRIVERS := $(DRIVERS) drivers/net/tokenring/tr.a
 134 endif
 135
 136 ifdef CONFIG_WAN
 137 DRIVERS := $(DRIVERS) drivers/net/wan/wan.a
 138 endif
 139
 140 ifdef CONFIG_ATM
 141 DRIVERS := $(DRIVERS) drivers/atm/atm.a
 142 endif
 143
 144 ifeq ($(CONFIG_SCSI),y)
 145 DRIVERS := $(DRIVERS) drivers/scsi/scsi.a
 146 endif
 147
 148 ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),)
 149 DRIVERS := $(DRIVERS) drivers/cdrom/cdrom.a
 150 endif
 151
 152 ifeq ($(CONFIG_SOUND),y)
 153 DRIVERS := $(DRIVERS) drivers/sound/sounddrivers.o
 154 endif
 155
 156 ifdef CONFIG_PCI
 157 DRIVERS := $(DRIVERS) drivers/pci/pci.a
 158 endif
 159
 160 ifeq ($(CONFIG_PCMCIA),y)
 161 DRIVERS := $(DRIVERS) drivers/pcmcia/pcmcia.o
 162 endif
 163
 164 ifeq ($(CONFIG_PCMCIA_NETCARD),y)
 165 DRIVERS := $(DRIVERS) drivers/net/pcmcia/pcmcia_net.o
 166 endif
 167
 168 ifeq ($(CONFIG_PCMCIA_CHRDEV),y)
 169 DRIVERS := $(DRIVERS) drivers/char/pcmcia/pcmcia_char.o
 170 endif
 171
 172 ifdef CONFIG_DIO
 173 DRIVERS := $(DRIVERS) drivers/dio/dio.a
 174 endif
 175
 176 ifdef CONFIG_SBUS
 177 DRIVERS := $(DRIVERS) drivers/sbus/sbus.a
 178 endif
 179
 180 ifdef CONFIG_ZORRO
 181 DRIVERS := $(DRIVERS) drivers/zorro/zorro.a
 182 endif
 183
 184 ifeq ($(CONFIG_FC4),y)
 185 DRIVERS := $(DRIVERS) drivers/fc4/fc4.a
 186 endif
 187
 188 ifdef CONFIG_PPC
 189 DRIVERS := $(DRIVERS) drivers/macintosh/macintosh.a
 190 endif
 191
 192 ifeq ($(CONFIG_PNP),y)
 193 DRIVERS := $(DRIVERS) drivers/pnp/pnp.a
 194 endif
 195
 196 ifdef CONFIG_SGI
 197 DRIVERS := $(DRIVERS) drivers/sgi/sgi.a
 198 endif
 199
 200 ifdef CONFIG_VT
 201 DRIVERS := $(DRIVERS) drivers/video/video.a
 202 endif
 203
 204 ifeq ($(CONFIG_PARIDE),y)
 205 DRIVERS := $(DRIVERS) drivers/block/paride/paride.a
 206 endif
 207
 208 ifdef CONFIG_HAMRADIO
 209 DRIVERS := $(DRIVERS) drivers/net/hamradio/hamradio.o
 210 endif
 211
 212 ifeq ($(CONFIG_TC),y)
 213 DRIVERS := $(DRIVERS) drivers/tc/tc.a
 214 endif
 215
 216 ifeq ($(CONFIG_USB),y)
 217 DRIVERS := $(DRIVERS) drivers/usb/usb.a
 218 endif
 219
 220 ifeq ($(CONFIG_I2O),y)
 221 DRIVERS := $(DRIVERS) drivers/i2o/i2o.a
 222 endif
 223
 224 ifeq ($(CONFIG_IRDA),y)
 225 DRIVERS := $(DRIVERS) drivers/net/irda/irda_drivers.a
 226 endif
 227
 228 include arch/$(ARCH)/Makefile
 229
 230 .S.s:
 231         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -E -o $*.s $<
 232 .S.o:
 233         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -c -o $*.o $<
 234
 235 Version: dummy
 236         @rm -f include/linux/compile.h
 237
 238 boot: vmlinux
 239         @$(MAKE) -C arch/$(ARCH)/boot
 240
 241 vmlinux: $(CONFIGURATION) init/main.o init/version.o linuxsubdirs
 242         $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o \
 243                 --start-group \
 244                 $(CORE_FILES) \
 245                 $(FILESYSTEMS) \
 246                 $(NETWORKS) \
 247                 $(DRIVERS) \
 248                 $(LIBS) \
 249                 --end-group \
 250                 -o vmlinux
 251         $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aU] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map
 252
 253 symlinks:
 254         rm -f include/asm
 255         ( cd include ; ln -sf asm-$(ARCH) asm)
 256         @if [ ! -d include/linux/modules ]; then \
 257                 mkdir include/linux/modules; \
 258         fi
 259
 260 oldconfig: symlinks
 261         $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in
 262
 263 xconfig: symlinks
 264         $(MAKE) -C scripts kconfig.tk
 265         wish -f scripts/kconfig.tk
 266
 267 menuconfig: include/linux/version.h symlinks
 268         $(MAKE) -C scripts/lxdialog all
 269         $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in
 270
 271 config: symlinks
 272         $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in
 273
 274 include/config/MARKER: scripts/split-include include/linux/autoconf.h
 275         scripts/split-include include/linux/autoconf.h include/config
 276         @ touch include/config/MARKER
 277
 278 linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS))
 279
 280 $(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/config/MARKER
 281         $(MAKE) -C $(patsubst _dir_%, %, $@)
 282
 283 $(TOPDIR)/include/linux/version.h: include/linux/version.h
 284 $(TOPDIR)/include/linux/compile.h: include/linux/compile.h
 285
 286 newversion:
 287         @if [ ! -f .version ]; then \
 288                 echo 1 > .version; \
 289         else \
 290                 expr 0`cat .version` + 1 > .version; \
 291         fi
 292
 293 include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion
 294         @echo -n \#define UTS_VERSION \"\#`cat .version` > .ver
 295         @if [ -n "$(CONFIG_SMP)" ] ; then echo -n " SMP" >> .ver; fi
 296         @if [ -f .name ]; then  echo -n \-`cat .name` >> .ver; fi
 297         @echo ' '`date`'"' >> .ver
 298         @echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver
 299         @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver
 300         @echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> .ver
 301         @if [ -x /bin/dnsdomainname ]; then \
 302            echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname`\"; \
 303          elif [ -x /bin/domainname ]; then \
 304            echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\"; \
 305          else \
 306            echo \#define LINUX_COMPILE_DOMAIN ; \
 307          fi >> .ver
 308         @echo \#define LINUX_COMPILER \"`$(CC) $(CFLAGS) -v 2>&1 | tail -1`\" >> .ver
 309         @mv -f .ver $@
 310
 311 include/linux/version.h: ./Makefile
 312         @echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver
 313         @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
 314         @echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >>.ver
 315         @mv -f .ver $@
 316
 317 init/version.o: init/version.c include/linux/compile.h include/config/MARKER
 318         $(CC) $(CFLAGS) -DUTS_MACHINE='"$(ARCH)"' -c -o init/version.o init/version.c
 319
 320 init/main.o: init/main.c include/config/MARKER
 321         $(CC) $(CFLAGS) $(PROFILING) -c -o $*.o $<
 322
 323 fs lib mm ipc kernel drivers net: dummy
 324         $(MAKE) $(subst $@, _dir_$@, $@)
 325
 326 MODFLAGS = -DMODULE
 327 ifdef CONFIG_MODULES
 328 ifdef CONFIG_MODVERSIONS
 329 MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h
 330 endif
 331
 332 modules: $(patsubst %, _mod_%, $(SUBDIRS))
 333
 334 modules/MARKER:
 335         mkdir -p modules
 336         touch modules/MARKER
 337
 338 $(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h include/config/MARKER modules/MARKER
 339         $(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules
 340
 341 modules_install:
 342         @( \
 343         MODLIB=$(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE); \
 344         cd modules; \
 345         MODULES=""; \
 346         inst_mod() { These="`cat $$1`"; MODULES="$$MODULES $$These"; \
 347                 mkdir -p $$MODLIB/$$2; cp $$These $$MODLIB/$$2; \
 348                 echo Installing modules under $$MODLIB/$$2; \
 349         }; \
 350         mkdir -p $$MODLIB; \
 351         \
 352         if [ -f BLOCK_MODULES ]; then inst_mod BLOCK_MODULES block; fi; \
 353         if [ -f NET_MODULES   ]; then inst_mod NET_MODULES   net;   fi; \
 354         if [ -f IPV4_MODULES  ]; then inst_mod IPV4_MODULES  ipv4;  fi; \
 355         if [ -f IPV6_MODULES  ]; then inst_mod IPV6_MODULES  ipv6;  fi; \
 356         if [ -f ATM_MODULES   ]; then inst_mod ATM_MODULES   atm;   fi; \
 357         if [ -f SCSI_MODULES  ]; then inst_mod SCSI_MODULES  scsi;  fi; \
 358         if [ -f FS_MODULES    ]; then inst_mod FS_MODULES    fs;    fi; \
 359         if [ -f NLS_MODULES   ]; then inst_mod NLS_MODULES   fs;    fi; \
 360         if [ -f CDROM_MODULES ]; then inst_mod CDROM_MODULES cdrom; fi; \
 361         if [ -f HAM_MODULES   ]; then inst_mod HAM_MODULES   net;   fi; \
 362         if [ -f SOUND_MODULES ]; then inst_mod SOUND_MODULES sound; fi; \
 363         if [ -f VIDEO_MODULES ]; then inst_mod VIDEO_MODULES video; fi; \
 364         if [ -f FC4_MODULES   ]; then inst_mod FC4_MODULES   fc4;   fi; \
 365         if [ -f IRDA_MODULES  ]; then inst_mod IRDA_MODULES  net;   fi; \
 366         if [ -f SK98LIN_MODULES ]; then inst_mod SK98LIN_MODULES  net;   fi; \
 367         if [ -f USB_MODULES   ]; then inst_mod USB_MODULES   usb;   fi; \
 368         if [ -f PCMCIA_MODULES ]; then inst_mod PCMCIA_MODULES pcmcia; fi; \
 369         if [ -f PCMCIA_NET_MODULES ]; then inst_mod PCMCIA_NET_MODULES pcmcia; fi; \
 370         if [ -f PCMCIA_CHAR_MODULES ]; then inst_mod PCMCIA_CHAR_MODULES pcmcia; fi; \
 371         \
 372         ls *.o > $$MODLIB/.allmods; \
 373         echo $$MODULES | tr ' ' '\n' | sort | comm -23 $$MODLIB/.allmods - > $$MODLIB/.misc; \
 374         if [ -s $$MODLIB/.misc ]; then inst_mod $$MODLIB/.misc misc; fi; \
 375         rm -f $$MODLIB/.misc $$MODLIB/.allmods; \
 376         )
 377
 378 # modules disabled....
 379
 380 else
 381 modules modules_install: dummy
 382         @echo
 383         @echo "The present kernel configuration has modules disabled."
 384         @echo "Type 'make config' and enable loadable module support."
 385         @echo "Then build a kernel with module support enabled."
 386         @echo
 387         @exit 1
 388 endif
 389
 390 clean:  archclean
 391         rm -f kernel/ksyms.lst include/linux/compile.h
 392         find . -name '*.[oas]' -type f -print | grep -v lxdialog/ | xargs rm -f
 393         rm -f core `find . -type f -name 'core' -print`
 394         rm -f core `find . -type f -name '.*.flags' -print`
 395         rm -f vmlinux System.map
 396         rm -f .tmp*
 397         rm -f drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c
 398         rm -f drivers/char/conmakehash
 399         rm -f drivers/pci/devlist.h drivers/pci/gen-devlist
 400         rm -f drivers/sound/bin2hex drivers/sound/hex2hex
 401         rm -f net/khttpd/make_times_h
 402         rm -f net/khttpd/times.h
 403         rm -f submenu*
 404         rm -rf modules
 405
 406 mrproper: clean archmrproper
 407         rm -f include/linux/autoconf.h include/linux/version.h
 408         rm -f drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h
 409         rm -f drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h
 410         rm -f drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h
 411         rm -f drivers/net/hamradio/soundmodem/gentbl
 412         rm -f drivers/char/hfmodem/gentbl drivers/char/hfmodem/tables.h
 413         rm -f drivers/sound/*_boot.h drivers/sound/.*.boot
 414         rm -f .version .config* config.in config.old
 415         rm -f scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp
 416         rm -f scripts/lxdialog/*.o scripts/lxdialog/lxdialog
 417         rm -f .menuconfig.log
 418         rm -f include/asm
 419         rm -rf include/config
 420         rm -f .depend `find . -type f -name .depend -print`
 421         rm -f core `find . -type f -size 0 -print`
 422         rm -f .hdepend scripts/mkdep scripts/split-include
 423         rm -f $(TOPDIR)/include/linux/modversions.h
 424         rm -rf $(TOPDIR)/include/linux/modules
 425
 426 distclean: mrproper
 427         rm -f core `find . \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
 428                 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
 429                 -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -print` TAGS
 430
 431 backup: mrproper
 432         cd .. && tar cf - linux/ | gzip -9 > backup.gz
 433         sync
 434
 435 sums:
 436         find . -type f -print | sort | xargs sum > .SUMS
 437
 438 dep-files: scripts/mkdep archdep include/linux/version.h
 439         scripts/mkdep init/*.c > .depend
 440         scripts/mkdep `find $(FINDHPATH) -follow -name \*.h ! -name modversions.h -print` > .hdepend
 441         $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)"
 442
 443 MODVERFILE :=
 444
 445 ifdef CONFIG_MODVERSIONS
 446 MODVERFILE := $(TOPDIR)/include/linux/modversions.h
 447 endif
 448
 449 depend dep: dep-files $(MODVERFILE)
 450
 451 # make checkconfig: Prune 'scripts' directory to avoid "false positives".
 452 checkconfig:
 453         perl -w scripts/checkconfig.pl `find * -path 'scripts' -prune -o -name '*.[hcS]' -print | sort`
 454
 455 checkhelp:
 456         perl -w scripts/checkhelp.pl `find * -name [cC]onfig.in -print`
 457
 458 ifdef CONFIGURATION
 459 ..$(CONFIGURATION):
 460         @echo
 461         @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
 462         @echo
 463         $(MAKE) $(CONFIGURATION)
 464         @echo
 465         @echo "Successful. Try re-making (ignore the error that follows)"
 466         @echo
 467         exit 1
 468
 469 #dummy: ..$(CONFIGURATION)
 470 dummy:
 471
 472 else
 473
 474 dummy:
 475
 476 endif
 477
 478 include Rules.make
 479
 480 #
 481 # This generates dependencies for the .h files.
 482 #
 483
 484 scripts/mkdep: scripts/mkdep.c
 485         $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c
 486
 487 scripts/split-include: scripts/split-include.c
 488         $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c