Makefile

   1 VERSION = 2
   2 PATCHLEVEL = 3
   3 SUBLEVEL = 12
   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 $(CC) -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-fno-strict-aliasing"; fi)
  93
  94 ifdef CONFIG_SMP
  95 CFLAGS += -D__SMP__
  96 AFLAGS += -D__SMP__
  97 endif
  98
  99 #
 100 # if you want the RAM disk device, define this to be the
 101 # size in blocks.
 102 #
 103
 104 #RAMDISK = -DRAMDISK=512
 105
 106 # Include the make variables (CC, etc...)
 107 #
 108
 109 CORE_FILES      =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o
 110 FILESYSTEMS     =fs/filesystems.a
 111 NETWORKS        =net/network.a
 112 DRIVERS         =drivers/block/block.a \
 113                  drivers/char/char.a \
 114                  drivers/parport/parport.a
 115 LIBS            =$(TOPDIR)/lib/lib.a
 116 SUBDIRS         =kernel drivers mm fs net ipc lib
 117
 118 ifdef CONFIG_NUBUS
 119 DRIVERS := $(DRIVERS) drivers/nubus/nubus.a
 120 endif
 121
 122 ifeq ($(CONFIG_ISDN),y)
 123 DRIVERS := $(DRIVERS) drivers/isdn/isdn.a
 124 endif
 125
 126 DRIVERS := $(DRIVERS) drivers/net/net.a
 127
 128 ifeq ($(CONFIG_SCSI),y)
 129 DRIVERS := $(DRIVERS) drivers/scsi/scsi.a
 130 endif
 131
 132 ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),)
 133 DRIVERS := $(DRIVERS) drivers/cdrom/cdrom.a
 134 endif
 135
 136 ifeq ($(CONFIG_SOUND),y)
 137 DRIVERS := $(DRIVERS) drivers/sound/sound.a
 138 endif
 139
 140 ifdef CONFIG_PCI
 141 DRIVERS := $(DRIVERS) drivers/pci/pci.a
 142 endif
 143
 144 ifdef CONFIG_DIO
 145 DRIVERS := $(DRIVERS) drivers/dio/dio.a
 146 endif
 147
 148 ifdef CONFIG_SBUS
 149 DRIVERS := $(DRIVERS) drivers/sbus/sbus.a
 150 endif
 151
 152 ifdef CONFIG_ZORRO
 153 DRIVERS := $(DRIVERS) drivers/zorro/zorro.a
 154 endif
 155
 156 ifeq ($(CONFIG_FC4),y)
 157 DRIVERS := $(DRIVERS) drivers/fc4/fc4.a
 158 endif
 159
 160 ifdef CONFIG_PPC
 161 DRIVERS := $(DRIVERS) drivers/macintosh/macintosh.a
 162 endif
 163
 164 ifdef CONFIG_PNP
 165 DRIVERS := $(DRIVERS) drivers/pnp/pnp.a
 166 endif
 167
 168 ifdef CONFIG_SGI
 169 DRIVERS := $(DRIVERS) drivers/sgi/sgi.a
 170 endif
 171
 172 ifdef CONFIG_VT
 173 DRIVERS := $(DRIVERS) drivers/video/video.a
 174 endif
 175
 176 ifeq ($(CONFIG_PARIDE),y)
 177 DRIVERS := $(DRIVERS) drivers/block/paride/paride.a
 178 endif
 179
 180 ifdef CONFIG_HAMRADIO
 181 DRIVERS := $(DRIVERS) drivers/net/hamradio/hamradio.a
 182 endif
 183
 184 ifeq ($(CONFIG_TC),y)
 185 DRIVERS := $(DRIVERS) drivers/tc/tc.a
 186 endif
 187
 188 ifeq ($(CONFIG_USB),y)
 189 DRIVERS := $(DRIVERS) drivers/usb/usb.a
 190 endif
 191
 192 ifeq ($(CONFIG_I2O),y)
 193 DRIVERS := $(DRIVERS) drivers/i2o/i2o.a
 194 endif
 195
 196 ifeq ($(CONFIG_IRDA),y)
 197 DRIVERS := $(DRIVERS) drivers/net/irda/irda_drivers.a
 198 endif
 199
 200 include arch/$(ARCH)/Makefile
 201
 202 .S.s:
 203         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -E -o $*.s $<
 204 .S.o:
 205         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -c -o $*.o $<
 206
 207 Version: dummy
 208         @rm -f include/linux/compile.h
 209
 210 boot: vmlinux
 211         @$(MAKE) -C arch/$(ARCH)/boot
 212
 213 vmlinux: $(CONFIGURATION) init/main.o init/version.o linuxsubdirs
 214         $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o \
 215                 --start-group \
 216                 $(CORE_FILES) \
 217                 $(FILESYSTEMS) \
 218                 $(NETWORKS) \
 219                 $(DRIVERS) \
 220                 $(LIBS) \
 221                 --end-group \
 222                 -o vmlinux
 223         $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aU] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map
 224
 225 symlinks:
 226         rm -f include/asm
 227         ( cd include ; ln -sf asm-$(ARCH) asm)
 228         @if [ ! -d modules ]; then \
 229                 mkdir modules; \
 230         fi
 231         @if [ ! -d include/linux/modules ]; then \
 232                 mkdir include/linux/modules; \
 233         fi
 234
 235 oldconfig: symlinks
 236         $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in
 237
 238 xconfig: symlinks
 239         $(MAKE) -C scripts kconfig.tk
 240         wish -f scripts/kconfig.tk
 241
 242 menuconfig: include/linux/version.h symlinks
 243         $(MAKE) -C scripts/lxdialog all
 244         $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in
 245
 246 config: symlinks
 247         $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in
 248
 249 include/config/MARKER: scripts/split-include include/linux/autoconf.h
 250         scripts/split-include include/linux/autoconf.h include/config
 251         @ touch include/config/MARKER
 252
 253 linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS))
 254
 255 $(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/config/MARKER
 256         $(MAKE) -C $(patsubst _dir_%, %, $@)
 257
 258 $(TOPDIR)/include/linux/version.h: include/linux/version.h
 259 $(TOPDIR)/include/linux/compile.h: include/linux/compile.h
 260
 261 newversion:
 262         @if [ ! -f .version ]; then \
 263                 echo 1 > .version; \
 264         else \
 265                 expr 0`cat .version` + 1 > .version; \
 266         fi
 267
 268 include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion
 269         @echo -n \#define UTS_VERSION \"\#`cat .version` > .ver
 270         @if [ -n "$(CONFIG_SMP)" ] ; then echo -n " SMP" >> .ver; fi
 271         @if [ -f .name ]; then  echo -n \-`cat .name` >> .ver; fi
 272         @echo ' '`date`'"' >> .ver
 273         @echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver
 274         @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver
 275         @echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> .ver
 276         @if [ -x /bin/dnsdomainname ]; then \
 277            echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname`\"; \
 278          elif [ -x /bin/domainname ]; then \
 279            echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\"; \
 280          else \
 281            echo \#define LINUX_COMPILE_DOMAIN ; \
 282          fi >> .ver
 283         @echo \#define LINUX_COMPILER \"`$(CC) $(CFLAGS) -v 2>&1 | tail -1`\" >> .ver
 284         @mv -f .ver $@
 285
 286 include/linux/version.h: ./Makefile
 287         @echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver
 288         @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
 289         @echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >>.ver
 290         @mv -f .ver $@
 291
 292 init/version.o: init/version.c include/linux/compile.h include/config/MARKER
 293         $(CC) $(CFLAGS) -DUTS_MACHINE='"$(ARCH)"' -c -o init/version.o init/version.c
 294
 295 init/main.o: init/main.c include/config/MARKER
 296         $(CC) $(CFLAGS) $(PROFILING) -c -o $*.o $<
 297
 298 fs lib mm ipc kernel drivers net: dummy
 299         $(MAKE) $(subst $@, _dir_$@, $@)
 300
 301 MODFLAGS = -DMODULE
 302 ifdef CONFIG_MODULES
 303 ifdef CONFIG_MODVERSIONS
 304 MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h
 305 endif
 306
 307 modules: $(patsubst %, _mod_%, $(SUBDIRS))
 308
 309 $(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h
 310         $(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules
 311
 312 modules_install:
 313         @( \
 314         MODLIB=$(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE); \
 315         cd modules; \
 316         MODULES=""; \
 317         inst_mod() { These="`cat $$1`"; MODULES="$$MODULES $$These"; \
 318                 mkdir -p $$MODLIB/$$2; cp $$These $$MODLIB/$$2; \
 319                 echo Installing modules under $$MODLIB/$$2; \
 320         }; \
 321         mkdir -p $$MODLIB; \
 322         \
 323         if [ -f BLOCK_MODULES ]; then inst_mod BLOCK_MODULES block; fi; \
 324         if [ -f NET_MODULES   ]; then inst_mod NET_MODULES   net;   fi; \
 325         if [ -f IPV4_MODULES  ]; then inst_mod IPV4_MODULES  ipv4;  fi; \
 326         if [ -f IPV6_MODULES  ]; then inst_mod IPV6_MODULES  ipv6;  fi; \
 327         if [ -f SCSI_MODULES  ]; then inst_mod SCSI_MODULES  scsi;  fi; \
 328         if [ -f FS_MODULES    ]; then inst_mod FS_MODULES    fs;    fi; \
 329         if [ -f NLS_MODULES   ]; then inst_mod NLS_MODULES   fs;    fi; \
 330         if [ -f CDROM_MODULES ]; then inst_mod CDROM_MODULES cdrom; fi; \
 331         if [ -f HAM_MODULES   ]; then inst_mod HAM_MODULES   net;   fi; \
 332         if [ -f SOUND_MODULES ]; then inst_mod SOUND_MODULES sound; fi; \
 333         if [ -f VIDEO_MODULES ]; then inst_mod VIDEO_MODULES video; fi; \
 334         if [ -f FC4_MODULES   ]; then inst_mod FC4_MODULES   fc4;   fi; \
 335         if [ -f IRDA_MODULES  ]; then inst_mod IRDA_MODULES  net;   fi; \
 336         \
 337         ls *.o > $$MODLIB/.allmods; \
 338         echo $$MODULES | tr ' ' '\n' | sort | comm -23 $$MODLIB/.allmods - > $$MODLIB/.misc; \
 339         if [ -s $$MODLIB/.misc ]; then inst_mod $$MODLIB/.misc misc; fi; \
 340         rm -f $$MODLIB/.misc $$MODLIB/.allmods; \
 341         )
 342
 343 # modules disabled....
 344
 345 else
 346 modules modules_install: dummy
 347         @echo
 348         @echo "The present kernel configuration has modules disabled."
 349         @echo "Type 'make config' and enable loadable module support."
 350         @echo "Then build a kernel with module support enabled."
 351         @echo
 352         @exit 1
 353 endif
 354
 355 clean:  archclean
 356         rm -f kernel/ksyms.lst include/linux/compile.h
 357         rm -f core `find . -name '*.[oas]' ! -regex '.*lxdialog/.*' -print`
 358         rm -f core `find . -type f -name 'core' -print`
 359         rm -f core `find . -name '.*.flags' -print`
 360         rm -f vmlinux System.map
 361         rm -f .tmp*
 362         rm -f drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c
 363         rm -f drivers/char/conmakehash
 364         rm -f drivers/sound/bin2hex drivers/sound/hex2hex
 365         if [ -d modules ]; then \
 366                 rm -f core `find modules/ -type f -print`; \
 367         fi
 368         rm -f submenu*
 369
 370 mrproper: clean archmrproper
 371         rm -f include/linux/autoconf.h include/linux/version.h
 372         rm -f drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h
 373         rm -f drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h
 374         rm -f drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h
 375         rm -f drivers/net/hamradio/soundmodem/gentbl
 376         rm -f drivers/char/hfmodem/gentbl drivers/char/hfmodem/tables.h
 377         rm -f drivers/sound/*_boot.h drivers/sound/.*.boot
 378         rm -f .version .config* config.in config.old
 379         rm -f scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp
 380         rm -f scripts/lxdialog/*.o scripts/lxdialog/lxdialog
 381         rm -f .menuconfig.log
 382         rm -f include/asm
 383         rm -rf include/config
 384         rm -f .depend `find . -name .depend -print`
 385         rm -f core `find . -size 0 -print`
 386         rm -f .hdepend scripts/mkdep scripts/split-include
 387         rm -f $(TOPDIR)/include/linux/modversions.h
 388         rm -rf $(TOPDIR)/include/linux/modules
 389         rm -rf modules
 390
 391 distclean: mrproper
 392         rm -f core `find . \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
 393                 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
 394                 -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -print` TAGS
 395
 396 backup: mrproper
 397         cd .. && tar cf - linux/ | gzip -9 > backup.gz
 398         sync
 399
 400 sums:
 401         find . -type f -print | sort | xargs sum > .SUMS
 402
 403 dep-files: scripts/mkdep archdep include/linux/version.h
 404         scripts/mkdep init/*.c > .depend
 405         scripts/mkdep `find $(FINDHPATH) -follow -name \*.h ! -name modversions.h -print` > .hdepend
 406         $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)"
 407
 408 MODVERFILE :=
 409
 410 ifdef CONFIG_MODVERSIONS
 411 MODVERFILE := $(TOPDIR)/include/linux/modversions.h
 412 endif
 413
 414 depend dep: dep-files $(MODVERFILE)
 415
 416 # make checkconfig: Prune 'scripts' directory to avoid "false positives".
 417 checkconfig:
 418         perl -w scripts/checkconfig.pl `find * -path 'scripts' -prune -o -name '*.[hcS]' -print | sort`
 419
 420 checkhelp:
 421         perl -w scripts/checkhelp.pl `find * -name [cC]onfig.in -print`
 422
 423 ifdef CONFIGURATION
 424 ..$(CONFIGURATION):
 425         @echo
 426         @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
 427         @echo
 428         $(MAKE) $(CONFIGURATION)
 429         @echo
 430         @echo "Successful. Try re-making (ignore the error that follows)"
 431         @echo
 432         exit 1
 433
 434 #dummy: ..$(CONFIGURATION)
 435 dummy:
 436
 437 else
 438
 439 dummy:
 440
 441 endif
 442
 443 include Rules.make
 444
 445 #
 446 # This generates dependencies for the .h files.
 447 #
 448
 449 scripts/mkdep: scripts/mkdep.c
 450         $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c
 451
 452 scripts/split-include: scripts/split-include.c
 453         $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c