1 VERSION = 2
2 PATCHLEVEL = 4
3 SUBLEVEL = 0
4 EXTRAVERSION =
5
6 KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
7
8 ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
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 #
24 # Include the make variables (CC, etc...)
25 #
26
27 AS = $(CROSS_COMPILE)as
28 LD = $(CROSS_COMPILE)ld
29 CC = $(CROSS_COMPILE)gcc
30 CPP = $(CC) -E
31 AR = $(CROSS_COMPILE)ar
32 NM = $(CROSS_COMPILE)nm
33 STRIP = $(CROSS_COMPILE)strip
34 OBJCOPY = $(CROSS_COMPILE)objcopy
35 OBJDUMP = $(CROSS_COMPILE)objdump
36 MAKEFILES = $(TOPDIR)/.config
37 GENKSYMS = /sbin/genksyms
38 DEPMOD = /sbin/depmod
39 MODFLAGS = -DMODULE
40 CFLAGS_KERNEL =
41 PERL = perl
42
43 export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION KERNELRELEASE ARCH \
44 CONFIG_SHELL TOPDIR HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \
45 CPP AR NM STRIP OBJCOPY OBJDUMP MAKE MAKEFILES GENKSYMS MODFLAGS PERL
46
47 all: do-it-all
48
49 #
50 # Make "config" the default target if there is no configuration file or
51 # "depend" the target if there is no top-level dependency information.
52 #
53
54 ifeq (.config,$(wildcard .config))
55 include .config
56 ifeq (.depend,$(wildcard .depend))
57 include .depend
58 do-it-all: Version vmlinux
59 else
60 CONFIGURATION = depend
61 do-it-all: depend
62 endif
63 else
64 CONFIGURATION = config
65 do-it-all: config
66 endif
67
68 #
69 # INSTALL_PATH specifies where to place the updated kernel and system map
70 # images. Uncomment if you want to place them anywhere other than root.
71 #
72
73 #export INSTALL_PATH=/boot
74
75 #
76 # INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory
77 # relocations required by build roots. This is not defined in the
78 # makefile but the arguement can be passed to make if needed.
79 #
80
81 MODLIB := $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE)
82 export MODLIB
83
84 #
85 # standard CFLAGS
86 #
87
88 CPPFLAGS := -D__KERNEL__ -I$(HPATH)
89
90 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -fno-strict-aliasing
91 AFLAGS := -D__ASSEMBLY__ $(CPPFLAGS)
92
93 #
94 # ROOT_DEV specifies the default root-device when making the image.
95 # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
96 # the default of FLOPPY is used by 'build'.
97 # This is i386 specific.
98 #
99
100 export ROOT_DEV = CURRENT
101
102 #
103 # If you want to preset the SVGA mode, uncomment the next line and
104 # set SVGA_MODE to whatever number you want.
105 # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
106 # The number is the same as you would ordinarily press at bootup.
107 # This is i386 specific.
108 #
109
110 export SVGA_MODE = -DSVGA_MODE=NORMAL_VGA
111
112 #
113 # if you want the RAM disk device, define this to be the
114 # size in blocks.
115 # This is i386 specific.
116 #
117
118 #export RAMDISK = -DRAMDISK=512
119
120 CORE_FILES =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o
121 NETWORKS =net/network.o
122 DRIVERS =drivers/block/block.o \
123 drivers/char/char.o \
124 drivers/misc/misc.o \
125 drivers/net/net.o \
126 drivers/media/media.o
127 LIBS =$(TOPDIR)/lib/lib.a
128 SUBDIRS =kernel drivers mm fs net ipc lib
129
130 DRIVERS-n :=
131 DRIVERS-y :=
132 DRIVERS-m :=
133 DRIVERS- :=
134
135 DRIVERS-$(CONFIG_PARPORT) += drivers/parport/driver.o
136 DRIVERS-$(CONFIG_AGP) += drivers/char/agp/agp.o
137 DRIVERS-$(CONFIG_DRM) += drivers/char/drm/drm.o
138 DRIVERS-$(CONFIG_NUBUS) += drivers/nubus/nubus.a
139 DRIVERS-$(CONFIG_ISDN) += drivers/isdn/isdn.a
140 DRIVERS-$(CONFIG_NET_FC) += drivers/net/fc/fc.o
141 DRIVERS-$(CONFIG_APPLETALK) += drivers/net/appletalk/appletalk.o
142 DRIVERS-$(CONFIG_TR) += drivers/net/tokenring/tr.a
143 DRIVERS-$(CONFIG_WAN) += drivers/net/wan/wan.o
144 DRIVERS-$(CONFIG_ARCNET) += drivers/net/arcnet/arcnet.a
145 DRIVERS-$(CONFIG_ATM) += drivers/atm/atm.o
146 DRIVERS-$(CONFIG_IDE) += drivers/ide/idedriver.o
147 DRIVERS-$(CONFIG_SCSI) += drivers/scsi/scsidrv.o
148 DRIVERS-$(CONFIG_IEEE1394) += drivers/ieee1394/ieee1394drv.o
149
150 ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),)
151 DRIVERS-y += drivers/cdrom/driver.o
152 endif
153
154 DRIVERS-$(CONFIG_SOUND) += drivers/sound/sounddrivers.o
155 DRIVERS-$(CONFIG_PCI) += drivers/pci/driver.o
156 DRIVERS-$(CONFIG_MTD) += drivers/mtd/mtdlink.o
157 DRIVERS-$(CONFIG_PCMCIA) += drivers/pcmcia/pcmcia.o
158 DRIVERS-$(CONFIG_PCMCIA_NETCARD) += drivers/net/pcmcia/pcmcia_net.o
159 DRIVERS-$(CONFIG_PCMCIA_CHRDEV) += drivers/char/pcmcia/pcmcia_char.o
160 DRIVERS-$(CONFIG_DIO) += drivers/dio/dio.a
161 DRIVERS-$(CONFIG_SBUS) += drivers/sbus/sbus_all.o
162 DRIVERS-$(CONFIG_ZORRO) += drivers/zorro/driver.o
163 DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a
164 DRIVERS-$(CONFIG_ALL_PPC) += drivers/macintosh/macintosh.o
165 DRIVERS-$(CONFIG_MAC) += drivers/macintosh/macintosh.o
166 DRIVERS-$(CONFIG_ISAPNP) += drivers/pnp/pnp.o
167 DRIVERS-$(CONFIG_SGI_IP22) += drivers/sgi/sgi.a
168 DRIVERS-$(CONFIG_VT) += drivers/video/video.o
169 DRIVERS-$(CONFIG_PARIDE) += drivers/block/paride/paride.a
170 DRIVERS-$(CONFIG_HAMRADIO) += drivers/net/hamradio/hamradio.o
171 DRIVERS-$(CONFIG_TC) += drivers/tc/tc.a
172 DRIVERS-$(CONFIG_USB) += drivers/usb/usbdrv.o
173 DRIVERS-$(CONFIG_INPUT) += drivers/input/inputdrv.o
174 DRIVERS-$(CONFIG_I2O) += drivers/i2o/i2o.o
175 DRIVERS-$(CONFIG_IRDA) += drivers/net/irda/irda.o
176 DRIVERS-$(CONFIG_I2C) += drivers/i2c/i2c.o
177 DRIVERS-$(CONFIG_PHONE) += drivers/telephony/telephony.o
178 DRIVERS-$(CONFIG_ACPI) += drivers/acpi/acpi.o
179 DRIVERS-$(CONFIG_MD) += drivers/md/mddev.o
180
181 DRIVERS += $(DRIVERS-y)
182
183
184 # files removed with 'make clean'
185 CLEAN_FILES = \
186 kernel/ksyms.lst include/linux/compile.h \
187 vmlinux System.map \
188 .tmp* \
189 drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c \
190 drivers/char/conmakehash \
191 drivers/char/drm/*-mod.c \
192 drivers/pci/devlist.h drivers/pci/classlist.h drivers/pci/gen-devlist \
193 drivers/zorro/devlist.h drivers/zorro/gen-devlist \
194 drivers/sound/bin2hex drivers/sound/hex2hex \
195 drivers/atm/fore200e_mkfirm drivers/atm/{pca,sba}*{.bin,.bin1,.bin2} \
196 net/khttpd/make_times_h \
197 net/khttpd/times.h \
198 submenu*
199 # directories removed with 'make clean'
200 CLEAN_DIRS = \
201 modules
202
203 # files removed with 'make mrproper'
204 MRPROPER_FILES = \
205 include/linux/autoconf.h include/linux/version.h \
206 drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h \
207 drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h \
208 drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h \
209 drivers/net/hamradio/soundmodem/gentbl \
210 drivers/sound/*_boot.h drivers/sound/.*.boot \
211 drivers/sound/msndinit.c \
212 drivers/sound/msndperm.c \
213 drivers/sound/pndsperm.c \
214 drivers/sound/pndspini.c \
215 drivers/atm/fore200e_*_fw.c drivers/atm/.fore200e_*.fw \
216 .version .config* config.in config.old \
217 scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp \
218 scripts/lxdialog/*.o scripts/lxdialog/lxdialog \
219 .menuconfig.log \
220 include/asm \
221 .hdepend scripts/mkdep scripts/split-include scripts/docproc \
222 $(TOPDIR)/include/linux/modversions.h
223 # directories removed with 'make mrproper'
224 MRPROPER_DIRS = \
225 include/config \
226 $(TOPDIR)/include/linux/modules
227
228
229 include arch/$(ARCH)/Makefile
230
231 export CPPFLAGS CFLAGS AFLAGS
232
233 export NETWORKS DRIVERS LIBS HEAD LDFLAGS LINKFLAGS MAKEBOOT ASFLAGS
234
235 .S.s:
236 $(CPP) $(AFLAGS) -traditional -o $*.s $<
237 .S.o:
238 $(CC) $(AFLAGS) -traditional -c -o $*.o $<
239
240 Version: dummy
241 @rm -f include/linux/compile.h
242
243 boot: vmlinux
244 @$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C arch/$(ARCH)/boot
245
246 vmlinux: $(CONFIGURATION) init/main.o init/version.o linuxsubdirs
247 $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o \
248 --start-group \
249 $(CORE_FILES) \
250 $(DRIVERS) \
251 $(NETWORKS) \
252 $(LIBS) \
253 --end-group \
254 -o vmlinux
255 $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map
256
257 symlinks:
258 rm -f include/asm
259 ( cd include ; ln -sf asm-$(ARCH) asm)
260 @if [ ! -d include/linux/modules ]; then \
261 mkdir include/linux/modules; \
262 fi
263
264 oldconfig: symlinks
265 $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in
266
267 xconfig: symlinks
268 $(MAKE) -C scripts kconfig.tk
269 wish -f scripts/kconfig.tk
270
271 menuconfig: include/linux/version.h symlinks
272 $(MAKE) -C scripts/lxdialog all
273 $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in
274
275 config: symlinks
276 $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in
277
278 include/config/MARKER: scripts/split-include include/linux/autoconf.h
279 scripts/split-include include/linux/autoconf.h include/config
280 @ touch include/config/MARKER
281
282 linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS))
283
284 $(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/linux/version.h include/config/MARKER
285 $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C $(patsubst _dir_%, %, $@)
286
287 $(TOPDIR)/include/linux/version.h: include/linux/version.h
288 $(TOPDIR)/include/linux/compile.h: include/linux/compile.h
289
290 newversion:
291 @if [ ! -f .version ]; then \
292 echo 1 > .version; \
293 else \
294 expr 0`cat .version` + 1 > .version; \
295 fi
296
297 include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion
298 @echo -n \#define UTS_VERSION \"\#`cat .version` > .ver
299 @if [ -n "$(CONFIG_SMP)" ] ; then echo -n " SMP" >> .ver; fi
300 @if [ -f .name ]; then echo -n \-`cat .name` >> .ver; fi
301 @echo ' '`date`'"' >> .ver
302 @echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver
303 @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver
304 @echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> .ver
305 @if [ -x /bin/dnsdomainname ]; then \
306 echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname`\"; \
307 elif [ -x /bin/domainname ]; then \
308 echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\"; \
309 else \
310 echo \#define LINUX_COMPILE_DOMAIN ; \
311 fi >> .ver
312 @echo \#define LINUX_COMPILER \"`$(CC) $(CFLAGS) -v 2>&1 | tail -1`\" >> .ver
313 @mv -f .ver $@
314
315 include/linux/version.h: ./Makefile
316 @echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver
317 @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
318 @echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >>.ver
319 @mv -f .ver $@
320
321 init/version.o: init/version.c include/linux/compile.h include/config/MARKER
322 $(CC) $(CFLAGS) $(CFLAGS_KERNEL) -DUTS_MACHINE='"$(ARCH)"' -c -o init/version.o init/version.c
323
324 init/main.o: init/main.c include/config/MARKER
325 $(CC) $(CFLAGS) $(CFLAGS_KERNEL) $(PROFILING) -c -o $*.o $<
326
327 fs lib mm ipc kernel drivers net: dummy
328 $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" $(subst $@, _dir_$@, $@)
329
330 TAGS: dummy
331 etags `find include/asm-$(ARCH) -name '*.h'`
332 find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print | xargs etags -a
333 find $(SUBDIRS) init -name '*.c' | xargs etags -a
334
335 # Exuberant ctags works better with -I
336 tags: dummy
337 CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_NOVERS"`; \
338 ctags $$CTAGSF `find include/asm-$(ARCH) -name '*.h'` && \
339 find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print | xargs ctags $$CTAGSF -a && \
340 find $(SUBDIRS) init -name '*.c' | xargs ctags $$CTAGSF -a
341
342 ifdef CONFIG_MODULES
343 ifdef CONFIG_MODVERSIONS
344 MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h
345 endif
346
347 .PHONY: modules
348 modules: $(patsubst %, _mod_%, $(SUBDIRS))
349
350 .PHONY: $(patsubst %, _mod_%, $(SUBDIRS))
351 $(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h include/config/MARKER
352 $(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules
353
354 .PHONY: modules_install
355 modules_install: _modinst_ $(patsubst %, _modinst_%, $(SUBDIRS)) _modinst_post
356
357 .PHONY: _modinst_
358 _modinst_:
359 @rm -rf $(MODLIB)/kernel
360 @rm -f $(MODLIB)/build
361 @mkdir -p $(MODLIB)/kernel
362 @ln -s $(TOPDIR) $(MODLIB)/build
363
364 # If System.map exists, run depmod. This deliberately does not have a
365 # dependency on System.map since that would run the dependency tree on
366 # vmlinux. This depmod is only for convenience to give the initial
367 # boot a modules.dep even before / is mounted read-write. However the
368 # boot script depmod is the master version.
369 ifeq "$(strip $(INSTALL_MOD_PATH))" ""
370 depmod_opts :=
371 else
372 depmod_opts := -b $(INSTALL_MOD_PATH) -r
373 endif
374 .PHONY: _modinst_post
375 _modinst_post: _modinst_post_pcmcia
376 if [ -r System.map ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi
377
378 # Backwards compatibilty symlinks for people still using old versions
379 # of pcmcia-cs with hard coded pathnames on insmod. Remove
380 # _modinst_post_pcmcia for kernel 2.4.1.
381 .PHONY: _modinst_post_pcmcia
382 _modinst_post_pcmcia:
383 cd $(MODLIB); \
384 mkdir -p pcmcia; \
385 find kernel -path '*/pcmcia/*' -name '*.o' | xargs -i -r ln -sf ../{} pcmcia
386
387 .PHONY: $(patsubst %, _modinst_%, $(SUBDIRS))
388 $(patsubst %, _modinst_%, $(SUBDIRS)) :
389 $(MAKE) -C $(patsubst _modinst_%, %, $@) modules_install
390
391 # modules disabled....
392
393 else
394 modules modules_install: dummy
395 @echo
396 @echo "The present kernel configuration has modules disabled."
397 @echo "Type 'make config' and enable loadable module support."
398 @echo "Then build a kernel with module support enabled."
399 @echo
400 @exit 1
401 endif
402
403 clean: archclean
404 find . \( -name '*.[oas]' -o -name core -o -name '.*.flags' \) -type f -print \
405 | grep -v lxdialog/ | xargs rm -f
406 rm -f $(CLEAN_FILES)
407 rm -rf $(CLEAN_DIRS)
408 $(MAKE) -C Documentation/DocBook clean
409
410 mrproper: clean archmrproper
411 find . \( -size 0 -o -name .depend \) -type f -print | xargs rm -f
412 rm -f $(MRPROPER_FILES)
413 rm -rf $(MRPROPER_DIRS)
414 $(MAKE) -C Documentation/DocBook mrproper
415
416 distclean: mrproper
417 rm -f core `find . \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
418 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
419 -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -print` TAGS tags
420
421 backup: mrproper
422 cd .. && tar cf - linux/ | gzip -9 > backup.gz
423 sync
424
425 sgmldocs:
426 chmod 755 $(TOPDIR)/scripts/docgen
427 chmod 755 $(TOPDIR)/scripts/gen-all-syms
428 chmod 755 $(TOPDIR)/scripts/kernel-doc
429 $(MAKE) -C $(TOPDIR)/Documentation/DocBook books
430
431 psdocs: sgmldocs
432 $(MAKE) -C Documentation/DocBook ps
433
434 pdfdocs: sgmldocs
435 $(MAKE) -C Documentation/DocBook pdf
436
437 htmldocs: sgmldocs
438 $(MAKE) -C Documentation/DocBook html
439
440 sums:
441 find . -type f -print | sort | xargs sum > .SUMS
442
443 dep-files: scripts/mkdep archdep include/linux/version.h
444 scripts/mkdep init/*.c > .depend
445 scripts/mkdep `find $(FINDHPATH) -name SCCS -prune -o -follow -name \*.h ! -name modversions.h -print` > .hdepend
446 $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)"
447 ifdef CONFIG_MODVERSIONS
448 $(MAKE) update-modverfile
449 endif
450
451 ifdef CONFIG_MODVERSIONS
452 MODVERFILE := $(TOPDIR)/include/linux/modversions.h
453 else
454 MODVERFILE :=
455 endif
456 export MODVERFILE
457
458 depend dep: dep-files
459
460 # make checkconfig: Prune 'scripts' directory to avoid "false positives".
461 checkconfig:
462 find * -name '*.[hcS]' -type f -print | grep -v scripts/ | sort | xargs $(PERL) -w scripts/checkconfig.pl
463
464 checkhelp:
465 find * -name [cC]onfig.in -print | sort | xargs $(PERL) -w scripts/checkhelp.pl
466
467 checkincludes:
468 find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkincludes.pl
469
470 ifdef CONFIGURATION
471 ..$(CONFIGURATION):
472 @echo
473 @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
474 @echo
475 $(MAKE) $(CONFIGURATION)
476 @echo
477 @echo "Successful. Try re-making (ignore the error that follows)"
478 @echo
479 exit 1
480
481 #dummy: ..$(CONFIGURATION)
482 dummy:
483
484 else
485
486 dummy:
487
488 endif
489
490 include Rules.make
491
492 #
493 # This generates dependencies for the .h files.
494 #
495
496 scripts/mkdep: scripts/mkdep.c
497 $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c
498
499 scripts/split-include: scripts/split-include.c
500 $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c
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