Makefile

   1 VERSION = 2
   2 PATCHLEVEL = 3
   3 SUBLEVEL = 15
   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 $(CC) -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-fno-strict-aliasing"; fi)
  93
  94 ifdef CONFIG_SMP
  95 CFLAGS += -D__SMP__
  96 AFLAGS += -D__SMP__
  97 endif
  98
  99 #
 100 # if you want the RAM disk device, define this to be the
 101 # size in blocks.
 102 #
 103
 104 #RAMDISK = -DRAMDISK=512
 105
 106 # Include the make variables (CC, etc...)
 107 #
 108
 109 CORE_FILES      =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o
 110 FILESYSTEMS     =fs/filesystems.a
 111 NETWORKS        =net/network.a
 112 DRIVERS         =drivers/block/block.a \
 113                  drivers/char/char.o \
 114                  drivers/misc/misc.o \
 115                  drivers/parport/parport.a
 116 LIBS            =$(TOPDIR)/lib/lib.a
 117 SUBDIRS         =kernel drivers mm fs net ipc lib
 118
 119 ifdef CONFIG_NUBUS
 120 DRIVERS := $(DRIVERS) drivers/nubus/nubus.a
 121 endif
 122
 123 ifeq ($(CONFIG_ISDN),y)
 124 DRIVERS := $(DRIVERS) drivers/isdn/isdn.a
 125 endif
 126
 127 DRIVERS := $(DRIVERS) drivers/net/net.a
 128
 129 ifeq ($(CONFIG_SCSI),y)
 130 DRIVERS := $(DRIVERS) drivers/scsi/scsi.a
 131 endif
 132
 133 ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),)
 134 DRIVERS := $(DRIVERS) drivers/cdrom/cdrom.a
 135 endif
 136
 137 ifeq ($(CONFIG_SOUND),y)
 138 DRIVERS := $(DRIVERS) drivers/sound/sounddrivers.o
 139 endif
 140
 141 ifdef CONFIG_PCI
 142 DRIVERS := $(DRIVERS) drivers/pci/pci.a
 143 endif
 144
 145 ifdef CONFIG_DIO
 146 DRIVERS := $(DRIVERS) drivers/dio/dio.a
 147 endif
 148
 149 ifdef CONFIG_SBUS
 150 DRIVERS := $(DRIVERS) drivers/sbus/sbus.a
 151 endif
 152
 153 ifdef CONFIG_ZORRO
 154 DRIVERS := $(DRIVERS) drivers/zorro/zorro.a
 155 endif
 156
 157 ifeq ($(CONFIG_FC4),y)
 158 DRIVERS := $(DRIVERS) drivers/fc4/fc4.a
 159 endif
 160
 161 ifdef CONFIG_PPC
 162 DRIVERS := $(DRIVERS) drivers/macintosh/macintosh.a
 163 endif
 164
 165 ifeq ($(CONFIG_PNP),y)
 166 DRIVERS := $(DRIVERS) drivers/pnp/pnp.a
 167 endif
 168
 169 ifdef CONFIG_SGI
 170 DRIVERS := $(DRIVERS) drivers/sgi/sgi.a
 171 endif
 172
 173 ifdef CONFIG_VT
 174 DRIVERS := $(DRIVERS) drivers/video/video.a
 175 endif
 176
 177 ifeq ($(CONFIG_PARIDE),y)
 178 DRIVERS := $(DRIVERS) drivers/block/paride/paride.a
 179 endif
 180
 181 ifdef CONFIG_HAMRADIO
 182 DRIVERS := $(DRIVERS) drivers/net/hamradio/hamradio.o
 183 endif
 184
 185 ifeq ($(CONFIG_TC),y)
 186 DRIVERS := $(DRIVERS) drivers/tc/tc.a
 187 endif
 188
 189 ifeq ($(CONFIG_USB),y)
 190 DRIVERS := $(DRIVERS) drivers/usb/usb.a
 191 endif
 192
 193 ifeq ($(CONFIG_I2O),y)
 194 DRIVERS := $(DRIVERS) drivers/i2o/i2o.a
 195 endif
 196
 197 ifeq ($(CONFIG_IRDA),y)
 198 DRIVERS := $(DRIVERS) drivers/net/irda/irda_drivers.a
 199 endif
 200
 201 include arch/$(ARCH)/Makefile
 202
 203 .S.s:
 204         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -E -o $*.s $<
 205 .S.o:
 206         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -c -o $*.o $<
 207
 208 Version: dummy
 209         @rm -f include/linux/compile.h
 210
 211 boot: vmlinux
 212         @$(MAKE) -C arch/$(ARCH)/boot
 213
 214 vmlinux: $(CONFIGURATION) init/main.o init/version.o linuxsubdirs
 215         $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o \
 216                 --start-group \
 217                 $(CORE_FILES) \
 218                 $(FILESYSTEMS) \
 219                 $(NETWORKS) \
 220                 $(DRIVERS) \
 221                 $(LIBS) \
 222                 --end-group \
 223                 -o vmlinux
 224         $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aU] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map
 225
 226 symlinks:
 227         rm -f include/asm
 228         ( cd include ; ln -sf asm-$(ARCH) asm)
 229         @if [ ! -d modules ]; then \
 230                 mkdir modules; \
 231         fi
 232         @if [ ! -d include/linux/modules ]; then \
 233                 mkdir include/linux/modules; \
 234         fi
 235
 236 oldconfig: symlinks
 237         $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in
 238
 239 xconfig: symlinks
 240         $(MAKE) -C scripts kconfig.tk
 241         wish -f scripts/kconfig.tk
 242
 243 menuconfig: include/linux/version.h symlinks
 244         $(MAKE) -C scripts/lxdialog all
 245         $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in
 246
 247 config: symlinks
 248         $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in
 249
 250 include/config/MARKER: scripts/split-include include/linux/autoconf.h
 251         scripts/split-include include/linux/autoconf.h include/config
 252         @ touch include/config/MARKER
 253
 254 linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS))
 255
 256 $(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/config/MARKER
 257         $(MAKE) -C $(patsubst _dir_%, %, $@)
 258
 259 $(TOPDIR)/include/linux/version.h: include/linux/version.h
 260 $(TOPDIR)/include/linux/compile.h: include/linux/compile.h
 261
 262 newversion:
 263         @if [ ! -f .version ]; then \
 264                 echo 1 > .version; \
 265         else \
 266                 expr 0`cat .version` + 1 > .version; \
 267         fi
 268
 269 include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion
 270         @echo -n \#define UTS_VERSION \"\#`cat .version` > .ver
 271         @if [ -n "$(CONFIG_SMP)" ] ; then echo -n " SMP" >> .ver; fi
 272         @if [ -f .name ]; then  echo -n \-`cat .name` >> .ver; fi
 273         @echo ' '`date`'"' >> .ver
 274         @echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver
 275         @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver
 276         @echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> .ver
 277         @if [ -x /bin/dnsdomainname ]; then \
 278            echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname`\"; \
 279          elif [ -x /bin/domainname ]; then \
 280            echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\"; \
 281          else \
 282            echo \#define LINUX_COMPILE_DOMAIN ; \
 283          fi >> .ver
 284         @echo \#define LINUX_COMPILER \"`$(CC) $(CFLAGS) -v 2>&1 | tail -1`\" >> .ver
 285         @mv -f .ver $@
 286
 287 include/linux/version.h: ./Makefile
 288         @echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver
 289         @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
 290         @echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >>.ver
 291         @mv -f .ver $@
 292
 293 init/version.o: init/version.c include/linux/compile.h include/config/MARKER
 294         $(CC) $(CFLAGS) -DUTS_MACHINE='"$(ARCH)"' -c -o init/version.o init/version.c
 295
 296 init/main.o: init/main.c include/config/MARKER
 297         $(CC) $(CFLAGS) $(PROFILING) -c -o $*.o $<
 298
 299 fs lib mm ipc kernel drivers net: dummy
 300         $(MAKE) $(subst $@, _dir_$@, $@)
 301
 302 MODFLAGS = -DMODULE
 303 ifdef CONFIG_MODULES
 304 ifdef CONFIG_MODVERSIONS
 305 MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h
 306 endif
 307
 308 modules: $(patsubst %, _mod_%, $(SUBDIRS))
 309
 310 $(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h
 311         $(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules
 312
 313 modules_install:
 314         @( \
 315         MODLIB=$(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE); \
 316         cd modules; \
 317         MODULES=""; \
 318         inst_mod() { These="`cat $$1`"; MODULES="$$MODULES $$These"; \
 319                 mkdir -p $$MODLIB/$$2; cp $$These $$MODLIB/$$2; \
 320                 echo Installing modules under $$MODLIB/$$2; \
 321         }; \
 322         mkdir -p $$MODLIB; \
 323         \
 324         if [ -f BLOCK_MODULES ]; then inst_mod BLOCK_MODULES block; fi; \
 325         if [ -f NET_MODULES   ]; then inst_mod NET_MODULES   net;   fi; \
 326         if [ -f IPV4_MODULES  ]; then inst_mod IPV4_MODULES  ipv4;  fi; \
 327         if [ -f IPV6_MODULES  ]; then inst_mod IPV6_MODULES  ipv6;  fi; \
 328         if [ -f SCSI_MODULES  ]; then inst_mod SCSI_MODULES  scsi;  fi; \
 329         if [ -f FS_MODULES    ]; then inst_mod FS_MODULES    fs;    fi; \
 330         if [ -f NLS_MODULES   ]; then inst_mod NLS_MODULES   fs;    fi; \
 331         if [ -f CDROM_MODULES ]; then inst_mod CDROM_MODULES cdrom; fi; \
 332         if [ -f HAM_MODULES   ]; then inst_mod HAM_MODULES   net;   fi; \
 333         if [ -f SOUND_MODULES ]; then inst_mod SOUND_MODULES sound; fi; \
 334         if [ -f VIDEO_MODULES ]; then inst_mod VIDEO_MODULES video; fi; \
 335         if [ -f FC4_MODULES   ]; then inst_mod FC4_MODULES   fc4;   fi; \
 336         if [ -f IRDA_MODULES  ]; then inst_mod IRDA_MODULES  net;   fi; \
 337         if [ -f USB_MODULES   ]; then inst_mod USB_MODULES   usb;   fi; \
 338         \
 339         ls *.o > $$MODLIB/.allmods; \
 340         echo $$MODULES | tr ' ' '\n' | sort | comm -23 $$MODLIB/.allmods - > $$MODLIB/.misc; \
 341         if [ -s $$MODLIB/.misc ]; then inst_mod $$MODLIB/.misc misc; fi; \
 342         rm -f $$MODLIB/.misc $$MODLIB/.allmods; \
 343         )
 344
 345 # modules disabled....
 346
 347 else
 348 modules modules_install: dummy
 349         @echo
 350         @echo "The present kernel configuration has modules disabled."
 351         @echo "Type 'make config' and enable loadable module support."
 352         @echo "Then build a kernel with module support enabled."
 353         @echo
 354         @exit 1
 355 endif
 356
 357 clean:  archclean
 358         rm -f kernel/ksyms.lst include/linux/compile.h
 359         rm -f core `find . -name '*.[oas]' ! -regex '.*lxdialog/.*' -print`
 360         rm -f core `find . -type f -name 'core' -print`
 361         rm -f core `find . -name '.*.flags' -print`
 362         rm -f vmlinux System.map
 363         rm -f .tmp*
 364         rm -f drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c
 365         rm -f drivers/char/conmakehash
 366         rm -f drivers/sound/bin2hex drivers/sound/hex2hex
 367         rm -f net/khttpd/make_times_h
 368         rm -f net/khttpd/times.h
 369         if [ -d modules ]; then \
 370                 rm -f core `find modules/ -type f -print`; \
 371         fi
 372         rm -f submenu*
 373
 374 mrproper: clean archmrproper
 375         rm -f include/linux/autoconf.h include/linux/version.h
 376         rm -f drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h
 377         rm -f drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h
 378         rm -f drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h
 379         rm -f drivers/net/hamradio/soundmodem/gentbl
 380         rm -f drivers/char/hfmodem/gentbl drivers/char/hfmodem/tables.h
 381         rm -f drivers/sound/*_boot.h drivers/sound/.*.boot
 382         rm -f .version .config* config.in config.old
 383         rm -f scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp
 384         rm -f scripts/lxdialog/*.o scripts/lxdialog/lxdialog
 385         rm -f .menuconfig.log
 386         rm -f include/asm
 387         rm -rf include/config
 388         rm -f .depend `find . -name .depend -print`
 389         rm -f core `find . -size 0 -print`
 390         rm -f .hdepend scripts/mkdep scripts/split-include
 391         rm -f $(TOPDIR)/include/linux/modversions.h
 392         rm -rf $(TOPDIR)/include/linux/modules
 393         rm -rf modules
 394
 395 distclean: mrproper
 396         rm -f core `find . \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
 397                 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
 398                 -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -print` TAGS
 399
 400 backup: mrproper
 401         cd .. && tar cf - linux/ | gzip -9 > backup.gz
 402         sync
 403
 404 sums:
 405         find . -type f -print | sort | xargs sum > .SUMS
 406
 407 dep-files: scripts/mkdep archdep include/linux/version.h
 408         scripts/mkdep init/*.c > .depend
 409         scripts/mkdep `find $(FINDHPATH) -follow -name \*.h ! -name modversions.h -print` > .hdepend
 410         $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)"
 411
 412 MODVERFILE :=
 413
 414 ifdef CONFIG_MODVERSIONS
 415 MODVERFILE := $(TOPDIR)/include/linux/modversions.h
 416 endif
 417
 418 depend dep: dep-files $(MODVERFILE)
 419
 420 # make checkconfig: Prune 'scripts' directory to avoid "false positives".
 421 checkconfig:
 422         perl -w scripts/checkconfig.pl `find * -path 'scripts' -prune -o -name '*.[hcS]' -print | sort`
 423
 424 checkhelp:
 425         perl -w scripts/checkhelp.pl `find * -name [cC]onfig.in -print`
 426
 427 ifdef CONFIGURATION
 428 ..$(CONFIGURATION):
 429         @echo
 430         @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
 431         @echo
 432         $(MAKE) $(CONFIGURATION)
 433         @echo
 434         @echo "Successful. Try re-making (ignore the error that follows)"
 435         @echo
 436         exit 1
 437
 438 #dummy: ..$(CONFIGURATION)
 439 dummy:
 440
 441 else
 442
 443 dummy:
 444
 445 endif
 446
 447 include Rules.make
 448
 449 #
 450 # This generates dependencies for the .h files.
 451 #
 452
 453 scripts/mkdep: scripts/mkdep.c
 454         $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c
 455
 456 scripts/split-include: scripts/split-include.c
 457         $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c