Makefile

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