gas/Makefile.in

   1 # Makefile for GNU Assembler
   2 #   Copyright (C) 1987, 1988, 1990, 1991 Free Software Foundation, Inc.
   3
   4 #This file is part of GNU GAS.
   5
   6 #GNU GAS is free software; you can redistribute it and/or modify
   7 #it under the terms of the GNU General Public License as published by
   8 #the Free Software Foundation; either version 1, or (at your option)
   9 #any later version.
  10
  11 #GNU GAS is distributed in the hope that it will be useful,
  12 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #GNU General Public License for more details.
  15
  16 #You should have received a copy of the GNU General Public License
  17 #along with GNU GAS; see the file COPYING.  If not, write to
  18 #the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  19
  20 # $Id$
  21
  22 # The targets for external use include:
  23 # all, doc, proto, install, uninstall, includes, TAGS,
  24 # clean, cleanconfig, realclean, stage1, stage2, stage3, stage4.
  25
  26 # Variables that exist for you to override.
  27 # See below for how to change them for certain systems.
  28
  29 ALLOCA =
  30 CFLAGS = -g $(XCFLAGS) -I$(srcdir)/../include
  31 INTERNAL_CFLAGS = $(CROSS)
  32 OLDCC = cc
  33 BISON = bison
  34 BISONFLAGS = -v
  35 AR = ar
  36 OLDAR_FLAGS = qc
  37 AR_FLAGS = rc
  38 SHELL = /bin/sh
  39 # on sysV, define this as cp.
  40 INSTALL = install -c
  41 # These permit overriding just for certain files.
  42 INSTALL_PROGRAM = $(INSTALL)
  43 INSTALL_FILE = $(INSTALL)
  44
  45 # Define this as & to perform parallel make on a Sequent.
  46 # Note that this has some bugs, and it seems currently necessary
  47 # to compile all the gen* files first by hand to avoid erroneous results.
  48 P =
  49
  50 # How to invoke ranlib.
  51 RANLIB = ranlib
  52 # Test to use to see whether ranlib exists on the system.
  53 RANLIB_TEST = [ -f /usr/bin/ranlib -o -f /bin/ranlib ]
  54
  55 # CFLAGS for use with OLDCC, for compiling gnulib.
  56 # NOTE: -O does not work on some Unix systems!
  57 CCLIBFLAGS = -O
  58
  59 # Version of ar to use when compiling gnulib.
  60 OLDAR = ar
  61
  62 version=`$(srcdir)/../gcc$(subdir)/gcc -dumpversion`
  63
  64 # Directory where sources are, from where we are.
  65 srcdir = .
  66 # Common prefix for installation directories.
  67 # NOTE: This directory must exist when you start installation.
  68 destdir = /usr/local
  69 prefix = $(destdir)
  70 # Directory in which to put the executable for the command `gcc'
  71 bindir = $(prefix)/bin
  72 # Directory in which to put the directories used by the compiler.
  73 libdir = $(prefix)/lib
  74 # Directory in which the compiler finds executables, libraries, etc.
  75 libsubdir = $(libdir)/gcc/$(target)/$(version)
  76 # Number to put in man-page filename.
  77 manext = 1
  78 # Directory in which to put man pages.
  79 mandir = $(prefix)/man/man$(manext)
  80
  81 # Additional system libraries to link with.
  82 CLIB=
  83
  84 # Specify the rule for actually making gnulib.
  85 GNULIB = gnulib.portable
  86
  87 # Specify the rule for actually making gnulib2.
  88 GNULIB2 = gnulib2.portable
  89
  90 # List of extra C and assembler files to add to gnulib.
  91 # Assembler files should have names ending in `.asm'.
  92 LIBFUNCS_EXTRA =
  93
  94 # Program to convert libraries.
  95 LIBCONVERT =
  96
  97 # Control whether header files are installed.
  98 INSTALL_HEADERS=install-headers
  99
 100 # Change this to empty to prevent installing limits.h
 101 LIMITS_H = limits.h
 102
 103 # Directory to link to, when using the target `maketest'.
 104 DIR = ../gcc
 105
 106 # For better debugging under COFF, define SEPARATE_AUX_OUTPUT in config.h
 107 # and define the following variable as `aux-output2.c' in make-...
 108 AUX_OUTPUT2 =
 109
 110 # Flags to use when cross-building GCC.
 111 # Prefix to apply to names of object files when using them
 112 # to run on the machine we are compiling on.
 113 HOST_PREFIX=
 114 # Prefix to apply to names of object files when compiling them
 115 # to run on the machine we are compiling on.
 116 # The default for this variable is chosen to keep these rules
 117 # out of the way of the other rules for compiling the same source files.
 118 HOST_PREFIX_1=loser-
 119 HOST_CC=$(CC)
 120 HOST_CFLAGS=$(ALL_CFLAGS)
 121 HOST_LDFLAGS=$(LDFLAGS)
 122 HOST_CPPFLAGS=$(CPPFLAGS)
 123
 124 # Choose the real default target.
 125 ALL=as
 126
 127 # End of variables for you to override.
 128
 129 # Lists of files for various purposes.
 130
 131 REAL_SOURCES = \
 132         $(srcdir)/app.c \
 133         $(srcdir)/as.c \
 134         $(srcdir)/atof-generic.c \
 135         $(srcdir)/bignum-copy.c \
 136         $(srcdir)/cond.c \
 137         $(srcdir)/expr.c \
 138         $(srcdir)/flonum-const.c \
 139         $(srcdir)/flonum-copy.c \
 140         $(srcdir)/flonum-mult.c \
 141         $(srcdir)/frags.c \
 142         $(srcdir)/hash.c \
 143         $(srcdir)/hex-value.c \
 144         $(srcdir)/input-file.c \
 145         $(srcdir)/input-scrub.c \
 146         $(srcdir)/messages.c \
 147         $(srcdir)/output-file.c \
 148         $(srcdir)/read.c \
 149         $(srcdir)/strstr.c \
 150         $(srcdir)/subsegs.c \
 151         $(srcdir)/symbols.c \
 152         $(srcdir)/version.c \
 153         $(srcdir)/write.c \
 154         $(srcdir)/xmalloc.c \
 155         $(srcdir)/xrealloc.c
 156
 157 # in an expedient order
 158 LINKED_SOURCES = \
 159         targ-cpu.c \
 160         obj-format.c \
 161         atof-targ.c
 162
 163 SOURCES = $(LINKED_SOURCES) $(REAL_SOURCES)
 164
 165 REAL_HEADERS = \
 166         $(srcdir)/as.h \
 167         $(srcdir)/bignum.h \
 168         $(srcdir)/expr.h \
 169         $(srcdir)/flonum.h \
 170         $(srcdir)/frags.h \
 171         $(srcdir)/hash.h \
 172         $(srcdir)/input-file.h \
 173         $(srcdir)/tc.h \
 174         $(srcdir)/obj.h \
 175         $(srcdir)/read.h \
 176         $(srcdir)/struc-symbol.h \
 177         $(srcdir)/subsegs.h \
 178         $(srcdir)/symbols.h \
 179         $(srcdir)/syscalls.h \
 180         $(srcdir)/write.h
 181
 182 LINKED_HEADERS = \
 183         a.out.gnu.h \
 184         a.out.h \
 185         host.h \
 186         targ-env.h \
 187         targ-cpu.h \
 188         obj-format.h \
 189         atof-targ.h
 190
 191 HEADERS = $(LINKED_HEADERS) $(REAL_HEADERS)
 192
 193 OBJS = \
 194         targ-cpu.o \
 195         obj-format.o \
 196         atof-targ.o \
 197         app.o \
 198         as.o \
 199         atof-generic.o \
 200         bignum-copy.o \
 201         cond.o \
 202         expr.o \
 203         flonum-const.o \
 204         flonum-copy.o \
 205         flonum-mult.o \
 206         frags.o \
 207         hash.o \
 208         hex-value.o \
 209         input-file.o \
 210         input-scrub.o \
 211         messages.o \
 212         output-file.o \
 213         read.o \
 214         strstr.o \
 215         subsegs.o \
 216         symbols.o \
 217         version.o \
 218         write.o \
 219         xmalloc.o \
 220         xrealloc.o
 221
 222 # Definition of `all' is here so that new rules inserted by sed
 223 # do not specify the default target.
 224 # The real definition is under `all.internal'.
 225
 226 all: $(ALL)
 227
 228 # sed inserts variable overrides after the following line.
 229 ####
 230 \f
 231 # Now figure out from those variables how to compile and link.
 232
 233 # This is the variable actually used when we compile.
 234 ALL_CFLAGS = $(INTERNAL_CFLAGS) $(CFLAGS) $(HDEFINES) $(TDEFINES)
 235
 236 # Even if ALLOCA is set, don't use it if compiling with GCC.
 237 USE_ALLOCA= `if [ x"${CC}" = x"${OLDCC}" ] ; then echo ${ALLOCA}; else true; fi`
 238 USE_HOST_ALLOCA= `if [ x"${CC}" = x"${OLDCC}" ] ; then echo ${HOST_PREFIX}${ALLOCA}; else true; fi`
 239
 240 # Likewise, for use in the tools that must run on this machine
 241 # even if we are cross-building GCC.
 242 # We don't use USE_ALLOCA because backquote expansion doesn't work in deps.
 243 HOST_LIBDEPS= $(HOST_PREFIX)$(OBSTACK) $(HOST_PREFIX)$(ALLOCA) $(HOST_PREFIX)$(MALLOC)
 244
 245 # How to link with both our special library facilities
 246 # and the system's installed libraries.
 247 LIBS = $(CLIB) $(srcdir)/../libiberty`if [ -d $(srcdir)/libiberty.$(target) ] ; then echo .$(target) ; fi`$(subdir)/libiberty.a
 248
 249 # Likewise, for use in the tools that must run on this machine
 250 # even if we are cross-building GCC.
 251 HOST_LIBS = $(HOST_PREFIX)$(OBSTACK) $(USE_HOST_ALLOCA) $(HOST_PREFIX)$(MALLOC) $(CLIB)
 252
 253 # Specify the directories to be searched for header files.
 254 # Both . and srcdir are used, in that order,
 255 # so that tm.h and config.h will be found in the compilation
 256 # subdirectory rather than in the source directory.
 257 INCLUDES = -I. -I$(srcdir) -I$(srcdir)/config
 258 SUBDIR_INCLUDES = -I.. -I../$(srcdir) -I../$(srcdir)/config
 259
 260 # Always use -I$(srcdir)/config when compiling.
 261 .c.o:
 262         $(CC) -c $(ALL_CFLAGS) $(CPPFLAGS) $(INCLUDES) $<
 263
 264 # This tells GNU make version 3 not to export all the variables
 265 # defined in this file into the environment.
 266 .NOEXPORT:
 267 \f
 268 # Files to be copied away after each stage in building.
 269 STAGE_GCC=gcc
 270 STAGESTUFF = *.o as
 271
 272 # The files that "belong" in CONFIG_H are deliberately omitted
 273 # because having them there would not be useful in actual practice.
 274 # All they would do is cause complete recompilation every time
 275 # one of the machine description files is edited.
 276 # That may or may not be what one wants to do.
 277 # If it is, rm *.o is an easy way to do it.
 278 # CONFIG_H = config.h tm.h
 279 CONFIG_H =
 280 \f
 281 as: $(OBJS) $(LIBDEPS)
 282         $(CC) $(ALL_CFLAGS) $(LDFLAGS) -o as $(OBJS) $(LIBS) $(LOADLIBES)
 283
 284 objdump:
 285
 286 all.internal: native
 287 # This is what is made with the host's compiler if making a cross assembler.
 288 native: config.status as
 289
 290 config.status:
 291         @echo You must configure gas.  Look at the INSTALL file for details.
 292         @false
 293
 294 compilations: ${OBJS}
 295
 296 # Compiling object files from source files.
 297
 298 app.o : app.c as.h host.h targ-env.h obj-format.h \
 299   targ-cpu.h struc-symbol.h \
 300   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h
 301 as.o : as.c as.h host.h targ-env.h obj-format.h \
 302   targ-cpu.h struc-symbol.h \
 303   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h
 304 atof-generic.o : atof-generic.c as.h host.h targ-env.h obj-format.h \
 305   targ-cpu.h struc-symbol.h \
 306   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h
 307 bignum-copy.o : bignum-copy.c as.h host.h \
 308   targ-env.h obj-format.h \
 309   targ-cpu.h struc-symbol.h \
 310   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h
 311 cond.o : cond.c as.h host.h targ-env.h obj-format.h \
 312   targ-cpu.h struc-symbol.h \
 313   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 314
 315 debug.o : debug.c as.h host.h targ-env.h obj-format.h \
 316   targ-cpu.h struc-symbol.h \
 317   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 318   subsegs.h
 319 expr.o : expr.c as.h host.h targ-env.h obj-format.h \
 320   targ-cpu.h  struc-symbol.h \
 321   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 322
 323 flonum-const.o : flonum-const.c flonum.h bignum.h
 324 flonum-copy.o : flonum-copy.c as.h host.h targ-env.h obj-format.h \
 325   targ-cpu.h  struc-symbol.h \
 326   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h
 327 flonum-mult.o : flonum-mult.c flonum.h bignum.h
 328 frags.o : frags.c as.h host.h targ-env.h obj-format.h \
 329   targ-cpu.h  struc-symbol.h \
 330   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 331   subsegs.h
 332 hash.o : hash.c as.h host.h targ-env.h obj-format.h \
 333   targ-cpu.h  struc-symbol.h \
 334   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h
 335 hex-value.o : hex-value.c
 336 input-file.o : input-file.c as.h host.h \
 337    targ-env.h obj-format.h targ-cpu.h \
 338    struc-symbol.h write.h flonum.h bignum.h expr.h \
 339   frags.h hash.h read.h symbols.h tc.h obj.h input-file.h
 340 input-scrub.o : input-scrub.c /usr/include/errno.h /usr/include/sys/errno.h \
 341   as.h host.h targ-env.h obj-format.h \
 342   targ-cpu.h  struc-symbol.h \
 343   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 344   input-file.h
 345 messages.o : messages.c as.h host.h targ-env.h obj-format.h \
 346   targ-cpu.h  struc-symbol.h \
 347   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h
 348 obstack.o : obstack.c
 349 output-file.o : output-file.c as.h host.h targ-env.h obj-format.h \
 350   targ-cpu.h  struc-symbol.h \
 351   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 352   output-file.h
 353 read.o : read.c as.h host.h targ-env.h obj-format.h \
 354   targ-cpu.h  struc-symbol.h \
 355   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 356
 357 strstr.o : strstr.c
 358 subsegs.o : subsegs.c as.h host.h targ-env.h obj-format.h \
 359   targ-cpu.h  struc-symbol.h \
 360   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 361   subsegs.h
 362 symbols.o : symbols.c as.h host.h targ-env.h obj-format.h \
 363   targ-cpu.h  struc-symbol.h \
 364   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 365    subsegs.h
 366 version.o : version.c
 367 write.o : write.c as.h host.h targ-env.h obj-format.h \
 368   targ-cpu.h  struc-symbol.h \
 369   write.h flonum.h bignum.h expr.h frags.h hash.h read.h symbols.h tc.h obj.h \
 370   subsegs.h  output-file.h
 371 xmalloc.o : xmalloc.c
 372 xrealloc.o : xrealloc.c
 373 atof-targ.o : atof-targ.c as.h host.h targ-env.h obj-format.h \
 374   targ-cpu.h struc-symbol.h \
 375   write.h flonum.h bignum.h expr.h frags.h hash.h read.h \
 376   symbols.h tc.h obj.h
 377 obj-format.o : obj-format.c as.h host.h targ-env.h obj-format.h \
 378   targ-cpu.h struc-symbol.h \
 379   write.h flonum.h bignum.h expr.h frags.h hash.h read.h \
 380   symbols.h tc.h obj.h
 381 targ-cpu.o : targ-cpu.c targ-env.h obj-format.h \
 382   targ-cpu.h struc-symbol.h \
 383   write.h flonum.h bignum.h expr.h frags.h hash.h read.h \
 384   symbols.h tc.h obj.h
 385
 386 \f
 387 # Compile the libraries to be used by gen*.
 388 # If we are not cross-building, gen* use the same .o's that cc1 will use,
 389 # and HOST_PREFIX_1 is `foobar', just to ensure these rules don't conflict
 390 # with the rules for rtl.o, alloca.o, etc.
 391 $(HOST_PREFIX_1)alloca.o: alloca.c
 392         rm -f $(HOST_PREFIX)alloca.c
 393         cp $(srcdir)/alloca.c $(HOST_PREFIX)alloca.c
 394         $(HOST_CC) -c $(HOST_CFLAGS) $(HOST_CPPFLAGS) $(INCLUDES) $(HOST_PREFIX)alloca.c
 395
 396 $(HOST_PREFIX_1)obstack.o: obstack.c
 397         rm -f $(HOST_PREFIX)obstack.c
 398         cp $(srcdir)/obstack.c $(HOST_PREFIX)obstack.c
 399         $(HOST_CC) -c $(HOST_CFLAGS) $(HOST_CPPFLAGS) $(INCLUDES) $(HOST_PREFIX)obstack.c
 400
 401 $(HOST_PREFIX_1)malloc.o: malloc.c
 402         rm -f $(HOST_PREFIX)malloc.c
 403         cp $(srcdir)/malloc.c $(HOST_PREFIX)malloc.c
 404         $(HOST_CC) -c $(HOST_CFLAGS) $(HOST_CPPFLAGS) $(INCLUDES) $(HOST_PREFIX)malloc.c
 405 \f
 406 # Remake the info files.
 407
 408 doc: $(srcdir)/gas.info
 409
 410 $(srcdir)/gas.info: $(srcdir)/gas.texinfo
 411         makeinfo `echo $(srcdir)/gas.texinfo | sed 's,^\./,,'`
 412
 413 \f
 414 # Deletion of files made during compilation.
 415 # There are three levels of this: `clean', `cleanconfig' and `realclean'.
 416 # `clean' deletes what you want to delete ordinarily to save space.
 417 # This is most, but not all, of the files made by compilation.
 418 # `cleanconfig' also deletes everything depending
 419 # on the choice of config files.
 420 # `realclean' also deletes everything that could be regenerated automatically.
 421
 422 clean:
 423         -rm -f $(STAGESTUFF)
 424 # Delete the temporary source copies for cross compilation.
 425         -rm -f $(HOST_PREFIX_1)alloca.c $(HOST_PREFIX_1)malloc.c
 426         -rm -f $(HOST_PREFIX_1)obstack.c
 427 # Delete the stamp files except stamp-gnulib2.
 428         -rm -f core
 429
 430 # Like clean but also delete the links made to configure gas.
 431 cleanconfig: clean
 432         -rm -f config.status Makefile host.h targ-env.h
 433         -rm -f targ-cpu.h targ-cpu.c
 434         -rm -f obj-format.h obj-format.c
 435         -rm -f atof-targ.c
 436
 437 # Get rid of every file that's generated from some other file (except INSTALL).
 438 realclean: cleanconfig
 439         -rm -f gas.aux gas.cps gas.fns gas.info gas.kys gas.pgs gas.tps gas.vrs
 440         -rm -f TAGS
 441         -rm -f gas.info* gas.?? gas.??s gas.log gas.toc gas.*aux
 442         -rm -f *.dvi
 443 \f
 444 # Entry points `install', `includes' and `uninstall'.
 445
 446 # Copy the files into directories where they will be run.
 447 install: as
 448         $(INSTALL_PROGRAM) as $(libsubdir)/as
 449
 450 # Create the installation directory.
 451 install-dir:
 452         -mkdir $(libdir)
 453         -mkdir $(libdir)/gcc
 454         -mkdir $(libdir)/gcc/$(target)
 455         -mkdir $(libdir)/gcc/$(target)/$(version)
 456
 457 # Install the compiler executables built during cross compilation.
 458 install-cross: native install-dir
 459         -if [ -f cc1 ] ; then $(INSTALL_PROGRAM) cc1 $(libsubdir)/cc1; else true; fi
 460         -if [ -f cc1plus ] ; then $(INSTALL_PROGRAM) cc1plus $(libsubdir)/cc1plus; else true; fi
 461         $(INSTALL_PROGRAM) cpp $(libsubdir)/cpp
 462         ./gcc -dumpspecs > $(libsubdir)/specs
 463         $(INSTALL_PROGRAM) gcc $(bindir)/gcc
 464
 465 # Install the man pages.
 466 install-man: install-dir $(srcdir)/gcc.1 protoize.1 unprotoize.1
 467         $(INSTALL_FILE) $(srcdir)/gcc.1 $(mandir)/gcc.$(manext)
 468         chmod a-x $(mandir)/gcc.$(manext)
 469         $(INSTALL_FILE) $(srcdir)/protoize.1 $(mandir)/protoize.$(manext)
 470         chmod a-x $(mandir)/protoize.$(manext)
 471         $(INSTALL_FILE) $(srcdir)/unprotoize.1 $(mandir)/unprotoize.$(manext)
 472         chmod a-x $(mandir)/unprotoize.$(manext)
 473
 474 # Cancel installation by deleting the installed files.
 475 uninstall:
 476         -rm -rf $(libsubdir)
 477         -rm -rf $(bindir)/as
 478         -rm -rf $(mandir)/gas.$(manext)
 479
 480 \f
 481 # These exist for maintenance purposes.
 482
 483 tags TAGS: force
 484         etags $(REAL_SOURCES) $(REAL_HEADERS) README Makefile config/*.[hc]
 485
 486 bootstrap: as force
 487         $(MAKE) stage1
 488         $(MAKE) CC="$(CC)" CFLAGS="-O -Bstage1/ $(CFLAGS)" libdir=$(libdir) ALLOCA= as
 489         $(MAKE) stage2
 490         $(MAKE) CC="$(CC)" CFLAGS="-O -Bstage2/ $(CFLAGS)" libdir=$(libdir) ALLOCA= as
 491         $(MAKE) stage-last
 492
 493 bootstrap2: force
 494         $(MAKE) CC="$(CC)" CFLAGS="-O -Bstage1/ $(CFLAGS)" libdir=$(libdir) ALLOCA= as
 495         $(MAKE) stage2
 496         $(MAKE) CC="$(CC)" CFLAGS="-O -Bstage2/ $(CFLAGS)" libdir=$(libdir) ALLOCA= as
 497         $(MAKE) stage-last
 498
 499 bootstrap3: force
 500         $(MAKE) CC="$(CC)" CFLAGS="-O -Bstage2/ $(CFLAGS)" libdir=$(libdir) ALLOCA= as
 501         $(MAKE) stage-last
 502
 503 # Copy the object files from a particular stage into a subdirectory.
 504 stage1: force
 505         -mkdir stage1
 506         -mv $(STAGESTUFF) stage1
 507
 508 stage2: force
 509         -mkdir stage2
 510         -mv $(STAGESTUFF) stage2
 511
 512 stage3: force
 513         -mkdir stage3
 514         -mv $(STAGESTUFF) stage3
 515
 516 de-stage1: force
 517         - (cd stage1 ; mv -f * ..)
 518         - rmdir stage1
 519
 520 de-stage2: force
 521         - (cd stage2 ; mv -f * ..)
 522         - rmdir stage2
 523
 524 de-stage3: force
 525         - (cd stage3 ; mv -f * ..)
 526         - rmdir stage3
 527
 528 stage-last:
 529         for i in *.o; do cmp $$i stage2/$$i; done
 530
 531 # Copy just the executable files from a particular stage into a subdirectory,
 532 # and delete the object files.  Use this if you're just verifying a version
 533 # that is pretty sure to work, and you are short of disk space.
 534 risky-stage1: force
 535         -mkdir stage1
 536         -mv cc1 cpp cccp gcc stage1
 537         -rm -f stage1/gnulib
 538         -cp gnulib stage1 && $(RANLIB) stage1/gnulib
 539         -make clean
 540
 541 risky-stage2: force
 542         -mkdir stage2
 543         -mv cc1 cpp cccp gcc stage2
 544         -rm -f stage2/gnulib
 545         -cp gnulib stage2 && $(RANLIB) stage2/gnulib
 546         -make clean
 547
 548 risky-stage3: force
 549         -mkdir stage3
 550         -mv cc1 cpp cccp gcc stage3
 551         -rm -f stage3/gnulib
 552         -cp gnulib stage3 && $(RANLIB) stage3/gnulib
 553         -make clean
 554
 555 risky-stage4: force
 556         -mkdir stage4
 557         -mv cc1 cpp cccp gcc stage4
 558         -rm -f stage4/gnulib
 559         -cp gnulib stage4 && $(RANLIB) stage4/gnulib
 560         -make clean
 561
 562 #In GNU Make, ignore whether `stage*' exists.
 563 .PHONY: stage1 stage2 stage3 stage4 clean realclean TAGS bootstrap
 564 .PHONY: risky-stage1 risky-stage2 risky-stage3 risky-stage4
 565
 566 comparison: clean
 567         $(MAKE) "CC=/usr/local/bin/gcc -Wall" as
 568         $(MAKE) stage1
 569         - $(MAKE) "CC=/usr/local/bin/gcc -Wall -b$(target) -Bstage1/" as -k
 570         $(MAKE) stage2
 571         - $(MAKE) "CC=/usr/local/bin/gcc -Wall -b$(target)" as -k
 572         $(MAKE) stage-last
 573
 574 force:
 575
 576 Makefile: $(srcdir)/Makefile.in $(srcdir)/configure
 577         (cd $(srcdir) ; \
 578                 ./configure +destdir=$(destdir) \
 579                 +norecurse \
 580                 `if [ "$(srcdir)" != "." ] ; then echo +f; fi` \
 581                 $(host) +target=$(target))
 582