Makefile

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