ld/Makefile.in

   1 # Makefile for the GNU linker ld (version 2)
   2 # Copyright (C) 1989-1992 Free Software Foundation, Inc.
   3
   4 # This file is part of GNU ld..
   5
   6 # This program 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 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program 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 this program; if not, write to the Free Software
  18 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19
  20
  21 srcdir = .
  22
  23 prefix = /usr/local
  24
  25 program_prefix =
  26 program_suffix =
  27 exec_prefix = $(prefix)
  28 bindir = $(exec_prefix)/bin
  29 libdir = $(exec_prefix)/lib
  30 tooldir = $(bindir)
  31 datadir = $(prefix)/lib
  32 mandir = $(prefix)/man
  33 man1dir = $(mandir)/man1
  34 man2dir = $(mandir)/man2
  35 man3dir = $(mandir)/man3
  36 man4dir = $(mandir)/man4
  37 man5dir = $(mandir)/man5
  38 man6dir = $(mandir)/man6
  39 man7dir = $(mandir)/man7
  40 man8dir = $(mandir)/man8
  41 man9dir = $(mandir)/man9
  42 infodir = $(prefix)/info
  43 includedir = $(prefix)/include
  44 docdir = $(datadir)/doc
  45
  46 gcclibdir = $(libdir)/gcc/$(target_alias)
  47
  48 SHELL = /bin/sh
  49
  50 INSTALL = install -c
  51 INSTALL_PROGRAM = $(INSTALL)
  52 INSTALL_DATA = $(INSTALL)
  53 AR = ar
  54 AR_FLAGS = qv
  55 CFLAGS = -g
  56 MAKEINFO = makeinfo
  57 RANLIB = ranlib
  58 HOST_CC=$(CC)
  59 BISON = `if [ -f ../bison/bison ] ; then echo ../bison/bison -y -L../bison/bison ; else echo bison -y ; fi`
  60 LEX = `if [ -f ../flex/flex ] ; then echo ../flex/flex -S../flex/flex.skel ; else echo flex ; fi`
  61
  62 #version=/`./../gcc/gcc -dumpversion`
  63 version=
  64
  65 # Seach path to override the default search path for -lfoo libraries.
  66 # If LIB_PATH is empty, the ones in the script (if any) are left alone.
  67 # (The default is usually /lib:usr/lib:/usr/local/lib, unless building
  68 # a cross-linker, in which case the default is empty.  See genscripts.sh.)
  69 # Otherwise, they are replaced with the ones given in LIB_PATH,
  70 # which may have the form: LIB_PATH=/lib:/usr/local/lib
  71 LIB_PATH =
  72
  73 BASEDIR = ../..
  74 INCLUDE = $(srcdir)/../include
  75 INCLUDES = -I. -I$(srcdir)  -I$(INCLUDE)
  76
  77 # Where to find texinfo.tex to format docn with TeX
  78 TEXIDIR = $(srcdir)/../texinfo/fsf
  79
  80 # Whether to get roff to put indexing entries on stderr
  81 TEXI2OPT =
  82 # You neeed this to generate ld-index.ms (or .mm or .me)
  83 # TEXI2OPT = -i
  84
  85 TEXI2ROFF=texi2roff
  86
  87 # Which roff program to use to generate index for texi2roff'd doc
  88 ROFF = groff
  89
  90 #stuff for self hosting (can be overridden in config file).
  91 HOSTING_CRT0=/lib/crt0.o
  92 HOSTING_LIBS=`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else echo $(libdir)/libgcc.a; fi`  -lc
  93 HOSTING_EMU=LDEMULATION=$(EMUL); export LDEMULATION
  94
  95 C++ = g++ -fgnu-linker
  96
  97 ### Host, target, and site specific Makefile fragments come in here.
  98 ###
  99
 100 LINTFLAGS =  $(INCLUDES) $(EXTRA_DEF)
 101
 102 .SUFFIXES: .y .x .xr .xu .xn .xbn .sc .scu .scr .scn $(SUFFIXES) .cc
 103
 104 .c.o:
 105         $(CC) -c $(CFLAGS) $(INCLUDES) $(HDEFINES) $(TDEFINES) $(CDEFINES) $<
 106
 107 .cc.o:
 108         $(C++) -c $(CFLAGS) -I$(srcdir) $<
 109
 110 # go directly to ld.new in case this ld isn't capable of
 111 # linking native object on this host.  It can be renamed on
 112 # install.
 113 LD_PROG = ld.new
 114
 115 # for self hosting
 116 BFDLIB=./../bfd/libbfd.a
 117 LIBIBERTY=./../libiberty/libiberty.a
 118
 119 ALL_EMULATIONS=ld__lnk960.o ld__sun3.o ld__i386aout.o \
 120         ld__go32.o ld__m88kbcs.o ld__a29k.o ld__news.o ld__hp300bsd.o ld__h8300hms.o ld__ebmon29k.o \
 121         ld__sun4.o ld__gld960.o ld__vanilla.o ld__h8300xray.o ld__st2000.o ld__sa29200.o
 122
 123 EMULATION_OFILES=${ALL_EMULATIONS}
 124 #EMULATION_OFILES=ld__${EMUL}.o ${OTHER_EMULATIONS}
 125
 126 OFILES= ldgram.o ldlex.o lexsup.o ldlang.o mri.o ldctor.o ldmain.o ldindr.o \
 127         ldwarn.o ldwrite.o ldexp.o  ldemul.o ldver.o ldmisc.o ldsym.o \
 128         ldfile.o relax.o  lderror.o cplus-dem.o ${EMULATION_OFILES}
 129
 130 HEADERS=config.h ldmain.h ldmain.h ldwarn.h ldmisc.h ldindr.h \
 131         ldsym.h ldctor.h ldlang.h ldexp.h \
 132         ldlex.h ldwrite.h ldver.h ldemul.h ldfile.h ldgram.h ld.h
 133
 134 MANSOURCES=ld.tex
 135
 136 LDCSOURCES=ldlang.c lexsup.c ldctor.c mri.c ldindr.c ldmain.c ldwrite.c ldwarn.c ldlnk960.c \
 137         ld__gld.c ld__sun3.c ld__go32.c ld__m88k.c ld__ebmon29k.c \
 138         ldgld960.c ldemul.c ldver.c ldmisc.c ldexp.c ldsym.c ldfile.c \
 139         relax.c  lderror.c cplus-dem.c
 140
 141 GENERATED_SOURCES=ldgram.c ldlex.c ld__*.c ldemul-list.h
 142 GENERATED_HEADERS=ldgram.h ldemul-list.h
 143
 144 LDSOURCES=$(LDCSOURCES) ldgram.y ldlex.l ldgram.h
 145
 146 BFDSOURCES=../../bfd/common/*.c
 147
 148 SOURCES= $(LDSOURCES) $(BFDSOURCES)
 149 LINTSOURCES=   $(LDCSOURCES) $(BFDSOURCES) $(GENERATED_SOURCES)
 150
 151 STAGESTUFF = *.x *.x[runN] *.sc[runN] $(GENERATED_SOURCES) $(GENERATED_HEADERS) $(OFILES) $(LD_PROG) mkscript
 152
 153 all: Makefile $(LD_PROG)
 154
 155 check: bootstrap check-cdtest
 156 info: ld.info
 157
 158 ldgram.h ldgram.c: ldgram.y
 159         $(BISON) $(BISONFLAGS) -d $(srcdir)/ldgram.y
 160         mv -f y.tab.c ldgram.c
 161         mv -f y.tab.h ldgram.h
 162
 163 ldmain.o: ldmain.c
 164         $(CC) $(CFLAGS) $(INCLUDES) $(HDEFINES) $(TDEFINES) $(CDEFINES) -DDEFAULT_EMULATION='"$(EMUL)"' -c $<
 165
 166 ldemul-list.h:  Makefile
 167         (echo "/* This file is automatically generated.  DO NOT EDIT! */";\
 168         for f in `echo " " ${EMULATION_OFILES} "" \
 169          | sed -e 's/ld__/ld/g' -e 's/ ld/ /g' -e 's/[.]o//g'`; do \
 170             echo "extern ld_emulation_xfer_type ld_$${f}_emulation;"; \
 171         done;\
 172         echo "";\
 173         echo "#define EMULATION_LIST \\";\
 174         for f in `echo " " ${EMULATION_OFILES} "" \
 175          | sed -e 's/ld__/ld/g' -e 's/ ld/ /g' -e 's/[.]o//g'`; do \
 176             echo "  &ld_$${f}_emulation, \\"; \
 177         done;\
 178         echo "  0") >ldemul-list.h
 179
 180 ldemul.o: ldemul-list.h
 181
 182 ldlex.c: ldlex.l
 183         $(LEX) -I -Cem $(srcdir)/ldlex.l
 184         mv lex.yy.c ldlex.c
 185
 186 # These all start with ld__ so 'make clean' can find them.
 187
 188 GENSCRIPTS=sh $(srcdir)/genscripts.sh ${srcdir} ${host_alias} ${target_alias}
 189 GEN_DEPENDS=./mkscript $(srcdir)/genscripts.sh
 190
 191 ld__sun4.c: $(srcdir)/sun4.sh \
 192   $(srcdir)/generic.em $(srcdir)/aout.sc-sh ${GEN_DEPENDS}
 193         ${GENSCRIPTS} sun4.sh
 194 ld__sun3.c: $(srcdir)/sun3.sh \
 195   $(srcdir)/generic.em $(srcdir)/aout.sc-sh ${GEN_DEPENDS}
 196         ${GENSCRIPTS} sun3.sh
 197 ld__go32.c: $(srcdir)/go32.sh \
 198   $(srcdir)/generic.em $(srcdir)/aout.sc-sh ${GEN_DEPENDS}
 199         ${GENSCRIPTS} go32.sh
 200 ld__news.c: $(srcdir)/news.sh \
 201   $(srcdir)/generic.em $(srcdir)/aout.sc-sh ${GEN_DEPENDS}
 202         ${GENSCRIPTS} news.sh
 203 ld__hp300bsd.c: $(srcdir)/hp300bsd.sh \
 204   $(srcdir)/generic.em $(srcdir)/aout.sc-sh ${GEN_DEPENDS}
 205         ${GENSCRIPTS} hp300bsd.sh
 206 ld__i386aout.c: $(srcdir)/i386aout.sh \
 207   $(srcdir)/generic.em $(srcdir)/aout.sc-sh ${GEN_DEPENDS}
 208         ${GENSCRIPTS} i386aout.sh
 209 ld__ebmon29k.c: $(srcdir)/ebmon29k.sh \
 210   $(srcdir)/generic.em $(srcdir)/ebmon29k.sc-sh ${GEN_DEPENDS}
 211         ${GENSCRIPTS} ebmon29k.sh
 212 ld__sa29200.c: $(srcdir)/sa29200.sh \
 213   $(srcdir)/generic.em $(srcdir)/sa29200.sc-sh ${GEN_DEPENDS}
 214         ${GENSCRIPTS} sa29200.sh
 215 ld__a29k.c: $(srcdir)/a29k.sh \
 216   $(srcdir)/generic.em $(srcdir)/a29k.sc-sh ${GEN_DEPENDS}
 217         ${GENSCRIPTS} a29k.sh
 218 ld__m88kbcs.c: $(srcdir)/m88kbcs.sh \
 219   $(srcdir)/generic.em $(srcdir)/h8300hms.sc-sh ${GEN_DEPENDS}
 220         ${GENSCRIPTS} m88kbcs.sh
 221 ld__h8300hms.c: $(srcdir)/h8300hms.sh \
 222   $(srcdir)/h8300hms.em $(srcdir)/h8300hms.sc-sh ${GEN_DEPENDS}
 223         ${GENSCRIPTS} h8300hms.sh
 224 ld__h8300xray.c: $(srcdir)/h8300xray.sh \
 225   $(srcdir)/h8300xray.em $(srcdir)/h8300xray.sc-sh ${GEN_DEPENDS}
 226         ${GENSCRIPTS} h8300xray.sh
 227 ld__st2000.c: $(srcdir)/st2000.sh \
 228   $(srcdir)/st2000.em $(srcdir)/st2000.sc-sh ${GEN_DEPENDS}
 229         ${GENSCRIPTS} st2000.sh
 230 ld__vanilla.c: $(srcdir)/vanilla.sh \
 231   $(srcdir)/vanilla.em $(srcdir)/vanilla.sc-sh ${GEN_DEPENDS}
 232         ${GENSCRIPTS} vanilla.sh
 233 ld__lnk960.c: $(srcdir)/lnk960.sh \
 234   $(srcdir)/lnk960.em $(srcdir)/i960.sc-sh ${GEN_DEPENDS}
 235         ${GENSCRIPTS} lnk960.sh
 236 ld__gld960.c: $(srcdir)/gld960.sh \
 237   $(srcdir)/gld960.em $(srcdir)/i960.sc-sh ${GEN_DEPENDS}
 238         ${GENSCRIPTS} gld960.sh
 239
 240 $(LD_PROG): $(OFILES) $(BFDLIB) $(LIBIBERTY)
 241         $(CC) $(CFLAGS) $(INCLUDES) $(HDEFINES) $(TDEFINES) $(CDEFINES) $(LDFLAGS) -o $(LD_PROG) $(OFILES) $(BFDLIB) $(LIBIBERTY) $(LOADLIBES)
 242
 243 # Rules for testing by relinking ld itself.
 244
 245 ld-partial.o: ld.new
 246         $(HOSTING_EMU); ./ld.new -o ld-partial.o -r $(OFILES)
 247 ld1: ld-partial.o
 248         $(HOSTING_EMU); ./ld.new -o ld1 $(HOSTING_CRT0) ld-partial.o $(BFDLIB) $(LIBIBERTY) $(HOSTING_LIBS)
 249
 250 ld1-full: ld.new
 251         $(HOSTING_EMU); ./ld.new -o ld1-full $(HOSTING_CRT0) $(OFILES) $(BFDLIB) $(LIBIBERTY) $(HOSTING_LIBS)
 252
 253 ld2: ld1
 254         $(HOSTING_EMU); ./ld1 -o ld2 $(HOSTING_CRT0) $(OFILES) $(BFDLIB) $(LIBIBERTY) $(HOSTING_LIBS)
 255
 256 ld3: ld2
 257         $(HOSTING_EMU); ./ld2 -o ld3 $(HOSTING_CRT0) $(OFILES) $(BFDLIB) $(LIBIBERTY) $(HOSTING_LIBS)
 258
 259 bootstrap: ld3
 260         cmp ld2 ld3
 261
 262 cdtest: cdtest-main.o cdtest-func.o cdtest-foo.o
 263         $(HOSTING_EMU); ./ld.new -o cdtest $(HOSTING_CRT0) \
 264           cdtest-main.o cdtest-func.o cdtest-foo.o $(HOSTING_LIBS)
 265
 266 check-cdtest: cdtest $(srcdir)/cdtest.exp
 267         ./cdtest >cdtest.out
 268         diff $(srcdir)/cdtest.exp cdtest.out
 269
 270 ######################################################################
 271 # DOCUMENTATION TARGETS
 272 # TeX output
 273 ld.dvi: $(srcdir)/ld.texinfo
 274         TEXINPUTS=${TEXIDIR}:.:$$TEXINPUTS tex $(srcdir)/ld.texinfo
 275         texindex ld.??
 276         TEXINPUTS=${TEXIDIR}:.:$$TEXINPUTS tex $(srcdir)/ld.texinfo
 277
 278 # info file for online browsing
 279 ld.info: $(srcdir)/ld.texinfo
 280         $(MAKEINFO) -o ld.info $(srcdir)/ld.texinfo
 281
 282 #separate targets for "ms", "me", and "mm" forms of roff doc
 283 # Try to use a recent texi2roff.  v2 was put on prep in jan91.
 284 # If you want an index, see texi2roff doc for postprocessing
 285 # and add -i to texi2roff invocations below.
 286 # Workarounds for texi2roff-2 (probably fixed in later texi2roff's, delete
 287 #    correspondint -e lines when later texi2roff's are current)
 288 # + @ifinfo's deleted explicitly due to texi2roff-2 bug w nested constructs.
 289 # + @c's deleted explicitly because texi2roff sees texinfo commands in them
 290 # + @   (that's at-BLANK) not recognized by texi2roff, turned into blank
 291 # + @alphaenumerate is ridiculously new, turned into @enumerate
 292
 293 ld.ms: $(srcdir)/ld.texinfo
 294         sed -e '/\\input texinfo/d' \
 295                 -e '/@c TEXI2ROFF-KILL/,/@c END TEXI2ROFF-KILL/d' \
 296                 -e '/^@ifinfo/,/^@end ifinfo/d' \
 297                 -e '/^@c/d' \
 298                 -e 's/{.*,,/{/' \
 299                 -e 's/@ / /g' \
 300                 -e 's/^@alphaenumerate/@enumerate/g' \
 301                 -e 's/^@end alphaenumerate/@end enumerate/g' \
 302                 $(srcdir)/ld.texinfo | \
 303         $(TEXI2ROFF) $(TEXI2OPT) -ms | \
 304         sed -e 's/---/\\(em/g' \
 305                 >>ld.ms
 306
 307 # index for roff output
 308 ld-index.ms: ld.ms
 309         $(ROFF) -ms ld.ms 2>&1 1>/dev/null | \
 310                 sed -e '/: warning:/d' | \
 311                 texi2index >ld-index.ms
 312
 313 # roff output (-mm)
 314 ld.mm: $(srcdir)/ld.texinfo
 315         sed -e '/\\input texinfo/d' \
 316                 -e '/@c TEXI2ROFF-KILL/,/@c END TEXI2ROFF-KILL/d' \
 317                 -e '/^@ifinfo/,/^@end ifinfo/d' \
 318                 -e '/^@c/d' \
 319                 -e 's/{.*,,/{/' \
 320                 -e '/@noindent/d' \
 321                 -e 's/@ / /g' \
 322                 -e 's/^@alphaenumerate/@enumerate/g' \
 323                 -e 's/^@end alphaenumerate/@end enumerate/g' \
 324                 $(srcdir)/ld.texinfo | \
 325         $(TEXI2ROFF) $(TEXI2OPT) -mm | \
 326         sed -e 's/---/\\(em/g' \
 327         >ld.mm
 328
 329 # index for roff output
 330 ld-index.mm: ld.mm
 331         $(ROFF) -mm ld.mm 2>&1 1>/dev/null | \
 332                 sed -e '/: warning:/d' | \
 333                 texi2index >ld-index.mm
 334
 335 # roff output (-me)
 336 ld.me: $(srcdir)/ld.texinfo
 337         sed -e '/\\input texinfo/d' \
 338                 -e '/@c TEXI2ROFF-KILL/,/@c END TEXI2ROFF-KILL/d' \
 339                 -e '/^@ifinfo/,/^@end ifinfo/d' \
 340                 -e '/^@c/d' \
 341                 -e 's/{.*,,/{/' \
 342                 -e 's/@ / /g' \
 343                 -e 's/^@alphaenumerate/@enumerate/g' \
 344                 -e 's/^@end alphaenumerate/@end enumerate/g' \
 345                 $(srcdir)/ld.texinfo | \
 346         $(TEXI2ROFF) $(TEXI2OPT) -me | \
 347         sed -e 's/---/\\(em/g' \
 348                 >>ld.me
 349
 350 # index for roff output
 351 ld-index.me: ld.me
 352         $(ROFF) -me ld.me 2>&1 1>/dev/null | \
 353                 sed -e '/: warning:/d' | \
 354                 texi2index >ld-index.me
 355
 356
 357 ######################################################################
 358
 359 ./mkscript: $(srcdir)/mkscript.c
 360         $(HOST_CC)  -o mkscript $(srcdir)/mkscript.c
 361
 362 ldlex.c: ldlex.l ldgram.h
 363 ldlex.o: ldlex.c ldgram.h
 364 ldgram.o: ldgram.c
 365 ldgram.c:ldgram.y
 366
 367 h8300hms.o:h8300hms.c
 368 h8300xray.o:h8300xray.c
 369 st2000.o:st2000.c
 370
 371 stage1: force
 372         -mkdir stage1
 373         -mv -f $(STAGESTUFF) stage1
 374         -(cd stage1 ; ln -s $(LD_PROG) ld)
 375
 376 stage2: force
 377         -mkdir stage2
 378         -mv -f $(STAGESTUFF) stage2
 379         -(cd stage2 ; ln -s $(LD_PROG) ld)
 380
 381 stage3: force
 382         -mkdir stage3
 383         -mv -f $(STAGESTUFF) stage3
 384         -(cd stage3 ; ln -s $(LD_PROG) ld)
 385
 386 against=stage2
 387
 388 comparison: force
 389         for i in $(STAGESTUFF) ; do cmp $$i $(against)/$$i ; done
 390
 391 de-stage1: force
 392         -(cd stage1 ; mv -f * ..)
 393         -rm ld
 394         -rmdir stage1
 395
 396 de-stage2: force
 397         -(cd stage2 ; mv -f * ..)
 398         -rm ld
 399         -rmdir stage2
 400
 401 de-stage3: force
 402         -(cd stage3 ; mv -f * ..)
 403         -rm ld
 404         -rmdir stage3
 405
 406 clean:
 407         -rm -f TAGS $(STAGESTUFF)
 408         -rm -f ld.?? ld.??? ldlex.[qp]
 409         -rm -f ld ld1 ld2 ld3 *.o y.output cdtest cdtest.out
 410
 411 lintlog:$(SOURCES) Makefile
 412         $(LINT) -abhxzn  $(LINTFLAGS)  $(LINTSOURCES) \
 413 | grep -v "pointer casts may be troublesome" \
 414 | grep -v "possible pointer alignment problem" \
 415 | grep -v "ignore" \
 416 | grep -v "conversion from long may lose accuracy" \
 417 | grep -v "warning: constant argument to NOT" \
 418 | grep -v "enumeration type clash, operator CAST" \
 419 | grep -v "warning: constant in conditional context"\
 420 | grep -v "archive\.c"
 421
 422
 423 tags TAGS:$(SOURCES) $(HEADERS)
 424         etags -t $?
 425
 426
 427 objdump:objdump.c
 428
 429 .PHONY: install
 430 install: $(LD_PROG)
 431         -rm -f $(bindir)/$(program_prefix)ld$(program_suffix)
 432         $(INSTALL_PROGRAM) ld.new $(bindir)/$(program_prefix)ld$(program_suffix)
 433         -rm -f $(tooldir)/ld
 434         if [ -d $(tooldir) ]; then $(INSTALL_PROGRAM) ld.new $(tooldir)/ld; else true; fi
 435         -rm -f $(man1dir)/$(program_prefix)ld$(program_suffix).1
 436         $(INSTALL_DATA) $(srcdir)/gld.1 $(man1dir)/$(program_prefix)ld$(program_suffix).1
 437
 438 install-info: info
 439         for i in ld.info* ; do \
 440                 $(INSTALL_DATA) $$i $(infodir)/$$i ; \
 441         done
 442
 443 clean-info:
 444         -rm -rf *.info*
 445
 446 #-----------------------------------------------------------------------------
 447 #               'STANDARD' GNU/960 TARGETS BELOW THIS POINT
 448 #
 449 # 'VERSION' file must be present and contain a string of the form "x.y"
 450 #-----------------------------------------------------------------------------
 451
 452 ver960.c: FORCE
 453         rm -f ver960.c
 454         echo "char ${TARG}_ver[]= \"${TARG} `cat VERSION`, `date`\";" > ver960.c
 455
 456
 457 # This target should be invoked before building a new release.
 458 # 'VERSION' file must be present and contain a string of the form "x.y"
 459 #
 460 roll:
 461         @V=`cat VERSION`                ; \
 462         MAJ=`sed 's/\..*//' VERSION`    ; \
 463         MIN=`sed 's/.*\.//' VERSION`    ; \
 464         V=$$MAJ.`expr $$MIN + 1`        ; \
 465         rm -f VERSION                   ; \
 466         echo $$V >VERSION               ; \
 467         echo Version $$V
 468
 469
 470 dep: $(LDSOURCES)
 471         mkdep $(CFLAGS) $?
 472
 473 # Dummy target to force execution of dependent targets.
 474 #
 475 force:
 476
 477 # Target to uncomment host-specific lines in this makefile.  Such lines must
 478 # have the following string beginning in column 1: #__<hostname>__#
 479 # Original Makefile is backed up as 'Makefile.old'.
 480 #
 481 # Invoke with:  make make HOST=xxx
 482 #
 483 make:
 484         -@if test $(HOST)x = x ; then \
 485                 echo '\aSpecify "make make HOST=???"'; \
 486                 exit 1; \
 487         fi ; \
 488         grep -s "^#The next line was generated by 'make make'" Makefile; \
 489         if test $$? = 0 ; then  \
 490                 echo "\aMakefile has already been processed with 'make make'";\
 491                 exit 1; \
 492         fi ; \
 493         mv -f Makefile Makefile.old; \
 494         echo "#The next line was generated by 'make make'"       >Makefile ; \
 495         echo "HOST=$(HOST)"                                     >>Makefile ; \
 496         echo                                                    >>Makefile ; \
 497         sed "s/^#__$(HOST)__#//" < Makefile.old                 >>Makefile
 498
 499 #\f
 500
 501 Makefile: $(srcdir)/Makefile.in $(host_makefile_frag) $(target_makefile_frag)
 502         $(SHELL) ./config.status
 503
 504 ### mode:fundamental ***
 505 ### Local Variables: ***
 506 ### page-delimiter: "^#\f" ***
 507 ### End: ***
 508 ### end of file
 509
 510
 511 # IF YOU PUT ANYTHING HERE IT WILL GO AWAY