Makefile

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