Makefile

   1 VERSION = 2
   2 PATCHLEVEL = 1
   3 SUBLEVEL = 46
   4
   5 ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/)
   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 # NOTE! SMP is experimental. See the file Documentation/SMP.txt
  13 #
  14 SMP = 1
  15 #
  16 # SMP profiling options
  17 # SMP_PROF = 1
  18
  19 .EXPORT_ALL_VARIABLES:
  20
  21 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
  22           else if [ -x /bin/bash ]; then echo /bin/bash; \
  23           else echo sh; fi ; fi)
  24 TOPDIR  := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
  25
  26 HPATH           = $(TOPDIR)/include
  27 FINDHPATH       = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net
  28
  29 HOSTCC          =gcc
  30 HOSTCFLAGS      =-O2 -fomit-frame-pointer
  31
  32 CROSS_COMPILE   =
  33
  34 AS      =$(CROSS_COMPILE)as
  35 LD      =$(CROSS_COMPILE)ld
  36 CC      =$(CROSS_COMPILE)gcc -D__KERNEL__ -I$(HPATH)
  37 CPP     =$(CC) -E
  38 AR      =$(CROSS_COMPILE)ar
  39 NM      =$(CROSS_COMPILE)nm
  40 STRIP   =$(CROSS_COMPILE)strip
  41 MAKE    =make
  42 GENKSYMS=/sbin/genksyms
  43
  44 all:    do-it-all
  45
  46 #
  47 # Make "config" the default target if there is no configuration file or
  48 # "depend" the target if there is no top-level dependency information.
  49 #
  50 ifeq (.config,$(wildcard .config))
  51 include .config
  52 ifeq (.depend,$(wildcard .depend))
  53 include .depend
  54 do-it-all:      Version vmlinux
  55 else
  56 CONFIGURATION = depend
  57 do-it-all:      depend
  58 endif
  59 else
  60 CONFIGURATION = config
  61 do-it-all:      config
  62 endif
  63
  64 #
  65 # ROOT_DEV specifies the default root-device when making the image.
  66 # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
  67 # the default of FLOPPY is used by 'build'.
  68 #
  69
  70 ROOT_DEV = CURRENT
  71
  72 #
  73 # INSTALL_PATH specifies where to place the updated kernel and system map
  74 # images.  Uncomment if you want to place them anywhere other than root.
  75
  76 #INSTALL_PATH=/boot
  77
  78 #
  79 # If you want to preset the SVGA mode, uncomment the next line and
  80 # set SVGA_MODE to whatever number you want.
  81 # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
  82 # The number is the same as you would ordinarily press at bootup.
  83 #
  84
  85 SVGA_MODE=      -DSVGA_MODE=NORMAL_VGA
  86
  87 #
  88 # standard CFLAGS
  89 #
  90
  91 CFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
  92
  93 ifdef CONFIG_CPP
  94 CFLAGS := $(CFLAGS) -x c++
  95 endif
  96
  97 ifdef SMP
  98 CFLAGS += -D__SMP__
  99 AFLAGS += -D__SMP__
 100
 101 ifdef SMP_PROF
 102 CFLAGS += -D__SMP_PROF__
 103 AFLAGS += -D__SMP_PROF__
 104 endif
 105 endif
 106
 107 #
 108 # if you want the ram-disk device, define this to be the
 109 # size in blocks.
 110 #
 111
 112 #RAMDISK = -DRAMDISK=512
 113
 114 # Include the make variables (CC, etc...)
 115 #
 116
 117 CORE_FILES      =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o
 118 FILESYSTEMS     =fs/filesystems.a
 119 NETWORKS        =net/network.a
 120 DRIVERS         =drivers/block/block.a \
 121                  drivers/char/char.a \
 122                  drivers/pnp/pnp.a
 123 LIBS            =$(TOPDIR)/lib/lib.a
 124 SUBDIRS         =kernel drivers mm fs net ipc lib
 125
 126 ifeq ($(CONFIG_ISDN),y)
 127 DRIVERS := $(DRIVERS) drivers/isdn/isdn.a
 128 endif
 129
 130 DRIVERS := $(DRIVERS) drivers/net/net.a
 131
 132 ifeq ($(CONFIG_SCSI),y)
 133 DRIVERS := $(DRIVERS) drivers/scsi/scsi.a
 134 endif
 135
 136 ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR),)
 137 DRIVERS := $(DRIVERS) drivers/cdrom/cdrom.a
 138 endif
 139
 140 ifeq ($(CONFIG_SOUND),y)
 141 DRIVERS := $(DRIVERS) drivers/sound/sound.a
 142 endif
 143
 144 ifdef CONFIG_PCI
 145 DRIVERS := $(DRIVERS) drivers/pci/pci.a
 146 endif
 147
 148 ifdef CONFIG_SBUS
 149 DRIVERS := $(DRIVERS) drivers/sbus/sbus.a
 150 endif
 151
 152 include arch/$(ARCH)/Makefile
 153
 154 ifdef SMP
 155
 156 .S.s:
 157         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -E -o $*.s $<
 158 .S.o:
 159         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -c -o $*.o $<
 160
 161 else
 162
 163 .S.s:
 164         $(CC) -D__ASSEMBLY__ -traditional -E -o $*.s $<
 165 .S.o:
 166         $(CC) -D__ASSEMBLY__ -traditional -c -o $*.o $<
 167
 168 endif
 169
 170 Version: dummy
 171         @rm -f include/linux/compile.h
 172
 173 boot: vmlinux
 174         @$(MAKE) -C arch/$(ARCH)/boot
 175
 176 vmlinux: $(CONFIGURATION) init/main.o init/version.o linuxsubdirs
 177         $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o \
 178                 $(CORE_FILES) \
 179                 $(FILESYSTEMS) \
 180                 $(NETWORKS) \
 181                 $(DRIVERS) \
 182                 $(LIBS) \
 183                 -o vmlinux
 184         $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aU] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map
 185
 186 symlinks:
 187         rm -f include/asm
 188         ( cd include ; ln -sf asm-$(ARCH) asm)
 189         @if [ ! -d modules ]; then \
 190                 mkdir modules; \
 191         fi
 192         @if [ ! -d include/linux/modules ]; then \
 193                 mkdir include/linux/modules; \
 194         fi
 195
 196 oldconfig: symlinks
 197         $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in
 198
 199 xconfig: symlinks
 200         $(MAKE) -C scripts kconfig.tk
 201         wish -f scripts/kconfig.tk
 202
 203 menuconfig: include/linux/version.h symlinks
 204         $(MAKE) -C scripts/lxdialog all
 205         $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in
 206
 207 config: symlinks
 208         $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in
 209
 210 linuxsubdirs: dummy
 211         set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i; done
 212
 213 $(TOPDIR)/include/linux/version.h: include/linux/version.h
 214 $(TOPDIR)/include/linux/compile.h: include/linux/compile.h
 215
 216 newversion:
 217         @if [ ! -f .version ]; then \
 218                 echo 1 > .version; \
 219         else \
 220                 expr 0`cat .version` + 1 > .version; \
 221         fi
 222
 223 include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion
 224         @if [ -f .name ]; then \
 225            echo \#define UTS_VERSION \"\#`cat .version`-`cat .name` `date`\"; \
 226          else \
 227            echo \#define UTS_VERSION \"\#`cat .version` `date`\";  \
 228          fi >> .ver
 229         @echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver
 230         @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver
 231         @echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> .ver
 232         @if [ -x /bin/dnsdomainname ]; then \
 233            echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname`\"; \
 234          elif [ -x /bin/domainname ]; then \
 235            echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\"; \
 236          else \
 237            echo \#define LINUX_COMPILE_DOMAIN ; \
 238          fi >> .ver
 239         @echo \#define LINUX_COMPILER \"`$(CC) -v 2>&1 | tail -1`\" >> .ver
 240         @mv -f .ver $@
 241
 242 include/linux/version.h: ./Makefile
 243         @echo \#define UTS_RELEASE \"$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)\" > .ver
 244         @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
 245         @mv -f .ver $@
 246
 247 init/version.o: init/version.c include/linux/compile.h
 248         $(CC) $(CFLAGS) -DUTS_MACHINE='"$(ARCH)"' -c -o init/version.o init/version.c
 249
 250 init/main.o: init/main.c
 251         $(CC) $(CFLAGS) $(PROFILING) -c -o $*.o $<
 252
 253 fs: dummy
 254         $(MAKE) linuxsubdirs SUBDIRS=fs
 255
 256 lib: dummy
 257         $(MAKE) linuxsubdirs SUBDIRS=lib
 258
 259 mm: dummy
 260         $(MAKE) linuxsubdirs SUBDIRS=mm
 261
 262 ipc: dummy
 263         $(MAKE) linuxsubdirs SUBDIRS=ipc
 264
 265 kernel: dummy
 266         $(MAKE) linuxsubdirs SUBDIRS=kernel
 267
 268 drivers: dummy
 269         $(MAKE) linuxsubdirs SUBDIRS=drivers
 270
 271 net: dummy
 272         $(MAKE) linuxsubdirs SUBDIRS=net
 273
 274 MODFLAGS = -DMODULE
 275 ifdef CONFIG_MODULES
 276 ifdef CONFIG_MODVERSIONS
 277 MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h
 278 endif
 279
 280 modules: include/linux/version.h
 281         @set -e; \
 282         for i in $(SUBDIRS); \
 283         do $(MAKE) -C $$i CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules; \
 284         done
 285
 286 modules_install:
 287         @( \
 288         MODLIB=/lib/modules/$(VERSION).$(PATCHLEVEL).$(SUBLEVEL); \
 289         cd modules; \
 290         MODULES=""; \
 291         inst_mod() { These="`cat $$1`"; MODULES="$$MODULES $$These"; \
 292                 mkdir -p $$MODLIB/$$2; cp -p $$These $$MODLIB/$$2; \
 293                 echo Installing modules under $$MODLIB/$$2; \
 294         }; \
 295         \
 296         if [ -f BLOCK_MODULES ]; then inst_mod BLOCK_MODULES block; fi; \
 297         if [ -f NET_MODULES   ]; then inst_mod NET_MODULES   net;   fi; \
 298         if [ -f IPV4_MODULES  ]; then inst_mod IPV4_MODULES  ipv4;  fi; \
 299         if [ -f IPV6_MODULES  ]; then inst_mod IPV6_MODULES  ipv6;  fi; \
 300         if [ -f SCSI_MODULES  ]; then inst_mod SCSI_MODULES  scsi;  fi; \
 301         if [ -f FS_MODULES    ]; then inst_mod FS_MODULES    fs;    fi; \
 302         if [ -f CDROM_MODULES ]; then inst_mod CDROM_MODULES cdrom; fi; \
 303         \
 304         ls *.o > .allmods; \
 305         echo $$MODULES | tr ' ' '\n' | sort | comm -23 .allmods - > .misc; \
 306         if [ -s .misc ]; then inst_mod .misc misc; fi; \
 307         rm -f .misc .allmods; \
 308         )
 309
 310 # modules disabled....
 311
 312 else
 313 modules modules_install: dummy
 314         @echo
 315         @echo "The present kernel configuration has modules disabled."
 316         @echo "Type 'make config' and enable loadable module support."
 317         @echo "Then build a kernel with module support enabled."
 318         @echo
 319         @exit 1
 320 endif
 321
 322 clean:  archclean
 323         rm -f kernel/ksyms.lst include/linux/compile.h
 324         rm -f core `find . -name '*.[oas]' ! -regex '.*lxdialog/.*' -print`
 325         rm -f core `find . -type f -name 'core' -print`
 326         rm -f vmlinux System.map
 327         rm -f .tmp* drivers/sound/configure
 328         rm -f `find modules/ -type f -print`
 329         rm -f submenu*
 330
 331 mrproper: clean
 332         rm -f include/linux/autoconf.h include/linux/version.h
 333         rm -f drivers/sound/local.h drivers/sound/.defines
 334         rm -f drivers/scsi/aic7xxx_asm drivers/scsi/aic7xxx_seq.h
 335         rm -f drivers/char/uni_hash.tbl drivers/char/conmakehash
 336         rm -f drivers/net/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h
 337         rm -f drivers/net/soundmodem/sm_tbl_{hapn4800,psk4800}.h
 338         rm -f drivers/net/soundmodem/gentbl
 339         rm -f .version .config* config.in config.old
 340         rm -f scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp
 341         rm -f scripts/lxdialog/*.o scripts/lxdialog/lxdialog
 342         rm -f .menuconfig .menuconfig.log
 343         rm -f include/asm
 344         rm -f .depend `find . -name .depend -print`
 345         rm -f .hdepend scripts/mkdep
 346         rm -f $(TOPDIR)/include/linux/modversions.h
 347         rm -rf $(TOPDIR)/include/linux/modules
 348         rm -rf modules
 349
 350
 351 distclean: mrproper
 352         rm -f core `find . \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
 353                 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
 354                 -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -print` TAGS
 355         rm -f drivers/sound/Config.in
 356         cp drivers/sound/Config.std drivers/sound/Config.in
 357
 358 backup: mrproper
 359         cd .. && tar cf - linux/ | gzip -9 > backup.gz
 360         sync
 361
 362 sums:
 363         find . -type f -print | sort | xargs sum > .SUMS
 364
 365 dep-files: scripts/mkdep archdep include/linux/version.h
 366         scripts/mkdep init/*.c > .tmpdepend
 367         scripts/mkdep `find $(FINDHPATH) -follow -name \*.h ! -name modversions.h -print` > .hdepend
 368         set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i fastdep; done
 369         mv .tmpdepend .depend
 370
 371 MODVERFILE :=
 372
 373 ifdef CONFIG_MODVERSIONS
 374 MODVERFILE := $(TOPDIR)/include/linux/modversions.h
 375 endif
 376
 377 depend dep: dep-files $(MODVERFILE)
 378
 379 ifdef CONFIGURATION
 380 ..$(CONFIGURATION):
 381         @echo
 382         @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
 383         @echo
 384         $(MAKE) $(CONFIGURATION)
 385         @echo
 386         @echo "Successful. Try re-making (ignore the error that follows)"
 387         @echo
 388         exit 1
 389
 390 #dummy: ..$(CONFIGURATION)
 391 dummy:
 392
 393 else
 394
 395 dummy:
 396
 397 endif
 398
 399 include Rules.make
 400
 401 #
 402 # This generates dependencies for the .h files.
 403 #
 404
 405 scripts/mkdep: scripts/mkdep.c
 406         $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c