Makefile

   1 VERSION = 2
   2 PATCHLEVEL = 1
   3 SUBLEVEL = 28
   4
   5 ARCH = i386
   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 := $(CFLAGS) -x c++
  95 endif
  96
  97 ifdef SMP
  98 CFLAGS += -D__SMP__
  99 AFLAGS += -D__SMP__
 100
 101 ifdef SMP_PROF
 102 CFLAGS += -D__SMP_PROF__
 103 AFLAGS += -D__SMP_PROF__
 104 endif
 105 endif
 106
 107 #
 108 # if you want the ram-disk device, define this to be the
 109 # size in blocks.
 110 #
 111
 112 #RAMDISK = -DRAMDISK=512
 113
 114 # Include the make variables (CC, etc...)
 115 #
 116
 117 ARCHIVES        =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o net/network.a
 118 FILESYSTEMS     =fs/filesystems.a
 119 DRIVERS         =drivers/block/block.a \
 120                  drivers/char/char.a
 121 LIBS            =$(TOPDIR)/lib/lib.a
 122 SUBDIRS         =kernel drivers mm fs net ipc lib
 123
 124 ifeq ($(CONFIG_ISDN),y)
 125 DRIVERS := $(DRIVERS) drivers/isdn/isdn.a
 126 endif
 127
 128 DRIVERS := $(DRIVERS) drivers/net/net.a
 129
 130 ifeq ($(CONFIG_SCSI),y)
 131 DRIVERS := $(DRIVERS) drivers/scsi/scsi.a
 132 endif
 133
 134 ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR),)
 135 DRIVERS := $(DRIVERS) drivers/cdrom/cdrom.a
 136 endif
 137
 138 ifeq ($(CONFIG_SOUND),y)
 139 DRIVERS := $(DRIVERS) drivers/sound/sound.a
 140 endif
 141
 142 ifdef CONFIG_PCI
 143 DRIVERS := $(DRIVERS) drivers/pci/pci.a
 144 endif
 145
 146 ifdef CONFIG_SBUS
 147 DRIVERS := $(DRIVERS) drivers/sbus/sbus.a
 148 endif
 149
 150 include arch/$(ARCH)/Makefile
 151
 152 ifdef SMP
 153
 154 .S.s:
 155         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -E -o $*.s $<
 156 .S.o:
 157         $(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -c -o $*.o $<
 158
 159 else
 160
 161 .S.s:
 162         $(CC) -D__ASSEMBLY__ -traditional -E -o $*.s $<
 163 .S.o:
 164         $(CC) -D__ASSEMBLY__ -traditional -c -o $*.o $<
 165
 166 endif
 167
 168 Version: dummy
 169         @rm -f include/linux/compile.h
 170
 171 boot: vmlinux
 172         @$(MAKE) -C arch/$(ARCH)/boot
 173
 174 vmlinux: $(CONFIGURATION) init/main.o init/version.o linuxsubdirs
 175         $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o \
 176                 $(ARCHIVES) \
 177                 $(FILESYSTEMS) \
 178                 $(DRIVERS) \
 179                 $(LIBS) \
 180                 -o vmlinux
 181         $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( a \)\|\(\.\.ng$$\)' | sort > System.map
 182
 183 symlinks:
 184         rm -f include/asm
 185         ( cd include ; ln -sf asm-$(ARCH) asm)
 186         @if [ ! -d modules ]; then \
 187                 mkdir modules; \
 188         fi
 189         @if [ ! -d include/linux/modules ]; then \
 190                 mkdir include/linux/modules; \
 191         fi
 192
 193 oldconfig: symlinks
 194         $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in
 195
 196 xconfig: symlinks
 197         $(MAKE) -C scripts kconfig.tk
 198         wish -f scripts/kconfig.tk
 199
 200 menuconfig: include/linux/version.h symlinks
 201         $(MAKE) -C scripts/lxdialog all
 202         $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in
 203
 204 config: symlinks
 205         $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in
 206
 207 linuxsubdirs: dummy
 208         set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i; done
 209
 210 $(TOPDIR)/include/linux/version.h: include/linux/version.h
 211 $(TOPDIR)/include/linux/compile.h: include/linux/compile.h
 212
 213 newversion:
 214         @if [ ! -f .version ]; then \
 215                 echo 1 > .version; \
 216         else \
 217                 expr 0`cat .version` + 1 > .version; \
 218         fi
 219
 220 include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion
 221         @if [ -f .name ]; then \
 222            echo \#define UTS_VERSION \"\#`cat .version`-`cat .name` `date`\"; \
 223          else \
 224            echo \#define UTS_VERSION \"\#`cat .version` `date`\";  \
 225          fi >> .ver
 226         @echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver
 227         @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver
 228         @echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> .ver
 229         @if [ -x /bin/dnsdomainname ]; then \
 230            echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname`\"; \
 231          elif [ -x /bin/domainname ]; then \
 232            echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\"; \
 233          else \
 234            echo \#define LINUX_COMPILE_DOMAIN ; \
 235          fi >> .ver
 236         @echo \#define LINUX_COMPILER \"`$(CC) -v 2>&1 | tail -1`\" >> .ver
 237         @mv -f .ver $@
 238
 239 include/linux/version.h: ./Makefile
 240         @echo \#define UTS_RELEASE \"$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)\" > .ver
 241         @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
 242         @mv -f .ver $@
 243
 244 init/version.o: init/version.c include/linux/compile.h
 245         $(CC) $(CFLAGS) -DUTS_MACHINE='"$(ARCH)"' -c -o init/version.o init/version.c
 246
 247 init/main.o: init/main.c
 248         $(CC) $(CFLAGS) $(PROFILING) -c -o $*.o $<
 249
 250 fs: dummy
 251         $(MAKE) linuxsubdirs SUBDIRS=fs
 252
 253 lib: dummy
 254         $(MAKE) linuxsubdirs SUBDIRS=lib
 255
 256 mm: dummy
 257         $(MAKE) linuxsubdirs SUBDIRS=mm
 258
 259 ipc: dummy
 260         $(MAKE) linuxsubdirs SUBDIRS=ipc
 261
 262 kernel: dummy
 263         $(MAKE) linuxsubdirs SUBDIRS=kernel
 264
 265 drivers: dummy
 266         $(MAKE) linuxsubdirs SUBDIRS=drivers
 267
 268 net: dummy
 269         $(MAKE) linuxsubdirs SUBDIRS=net
 270
 271 MODFLAGS = -DMODULE
 272 ifdef CONFIG_MODULES
 273 ifdef CONFIG_MODVERSIONS
 274 MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h
 275 endif
 276
 277 modules: include/linux/version.h
 278         @set -e; \
 279         for i in $(SUBDIRS); \
 280         do $(MAKE) -C $$i CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules; \
 281         done
 282
 283 modules_install:
 284         @( \
 285         MODLIB=/lib/modules/$(VERSION).$(PATCHLEVEL).$(SUBLEVEL); \
 286         cd modules; \
 287         MODULES=""; \
 288         inst_mod() { These="`cat $$1`"; MODULES="$$MODULES $$These"; \
 289                 mkdir -p $$MODLIB/$$2; cp -p $$These $$MODLIB/$$2; \
 290                 echo Installing modules under $$MODLIB/$$2; \
 291         }; \
 292         \
 293         if [ -f BLOCK_MODULES ]; then inst_mod BLOCK_MODULES block; fi; \
 294         if [ -f NET_MODULES   ]; then inst_mod NET_MODULES   net;   fi; \
 295         if [ -f IPV4_MODULES  ]; then inst_mod IPV4_MODULES  ipv4;  fi; \
 296         if [ -f IPV6_MODULES  ]; then inst_mod IPV6_MODULES  ipv6;  fi; \
 297         if [ -f SCSI_MODULES  ]; then inst_mod SCSI_MODULES  scsi;  fi; \
 298         if [ -f FS_MODULES    ]; then inst_mod FS_MODULES    fs;    fi; \
 299         if [ -f CDROM_MODULES ]; then inst_mod CDROM_MODULES cdrom; fi; \
 300         \
 301         ls *.o > .allmods; \
 302         echo $$MODULES | tr ' ' '\n' | sort | comm -23 .allmods - > .misc; \
 303         if [ -s .misc ]; then inst_mod .misc misc; fi; \
 304         rm -f .misc .allmods; \
 305         )
 306
 307 # modules disabled....
 308
 309 else
 310 modules modules_install: dummy
 311         @echo
 312         @echo "The present kernel configuration has modules disabled."
 313         @echo "Type 'make config' and enable loadable module support."
 314         @echo "Then build a kernel with module support enabled."
 315         @echo
 316         @exit 1
 317 endif
 318
 319 clean:  archclean
 320         rm -f kernel/ksyms.lst include/linux/compile.h
 321         rm -f core `find . -name '*.[oas]' ! -regex '.*lxdialog/.*' -print`
 322         rm -f core `find . -type f -name 'core' -print`
 323         rm -f vmlinux System.map
 324         rm -f .tmp* drivers/sound/configure
 325         rm -f `find modules/ -type f -print`
 326         rm -f submenu*
 327
 328 mrproper: clean
 329         rm -f include/linux/autoconf.h include/linux/version.h
 330         rm -f drivers/sound/local.h drivers/sound/.defines
 331         rm -f drivers/scsi/aic7xxx_asm drivers/scsi/aic7xxx_seq.h
 332         rm -f drivers/char/uni_hash.tbl drivers/char/conmakehash
 333         rm -f drivers/net/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h
 334         rm -f drivers/net/soundmodem/sm_tbl_{hapn4800,psk4800}.h
 335         rm -f drivers/net/soundmodem/gentbl
 336         rm -f .version .config* config.in config.old
 337         rm -f scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp
 338         rm -f scripts/lxdialog/*.o scripts/lxdialog/lxdialog
 339         rm -f .menuconfig .menuconfig.log
 340         rm -f include/asm
 341         rm -f .depend `find . -name .depend -print`
 342         rm -f .hdepend scripts/mkdep
 343         rm -f $(TOPDIR)/include/linux/modversions.h
 344         rm -rf $(TOPDIR)/include/linux/modules
 345         rm -rf modules
 346
 347
 348 distclean: mrproper
 349         rm -f core `find . \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
 350                 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
 351                 -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -print` TAGS
 352
 353 backup: mrproper
 354         cd .. && tar cf - linux/ | gzip -9 > backup.gz
 355         sync
 356
 357 sums:
 358         find . -type f -print | sort | xargs sum > .SUMS
 359
 360 dep-files: scripts/mkdep archdep include/linux/version.h
 361         scripts/mkdep init/*.c > .tmpdepend
 362         scripts/mkdep `find $(FINDHPATH) -follow -name \*.h ! -name modversions.h -print` > .hdepend
 363         set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i fastdep; done
 364         mv .tmpdepend .depend
 365
 366 MODVERFILE :=
 367
 368 ifdef CONFIG_MODVERSIONS
 369 MODVERFILE := $(TOPDIR)/include/linux/modversions.h
 370 endif
 371
 372 depend dep: dep-files $(MODVERFILE)
 373
 374 ifdef CONFIGURATION
 375 ..$(CONFIGURATION):
 376         @echo
 377         @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
 378         @echo
 379         $(MAKE) $(CONFIGURATION)
 380         @echo
 381         @echo "Successful. Try re-making (ignore the error that follows)"
 382         @echo
 383         exit 1
 384
 385 #dummy: ..$(CONFIGURATION)
 386 dummy:
 387
 388 else
 389
 390 dummy:
 391
 392 endif
 393
 394 include Rules.make
 395
 396 #
 397 # This generates dependencies for the .h files.
 398 #
 399
 400 scripts/mkdep: scripts/mkdep.c
 401         $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c