Makefile

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