configure1.in

   1
   2 ### The above line is deliberately left blank.  If it starts with a #,
   3 ### some CSH's will think this is a csh script.
   4
   5 #### Configuration script for GNU Emacs
   6 #### Copyright (C) 1992 Free Software Foundation, Inc.
   7
   8 ### This file is part of GNU Emacs.
   9
  10 ### GNU Emacs is free software; you can redistribute it and/or modify
  11 ### it under the terms of the GNU General Public License as published by
  12 ### the Free Software Foundation; either version 1, or (at your option)
  13 ### any later version.
  14
  15 ### GNU Emacs is distributed in the hope that it will be useful,
  16 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ### GNU General Public License for more details.
  19
  20 ### You should have received a copy of the GNU General Public License
  21 ### along with GNU Emacs; see the file COPYING.  If not, write to
  22 ### the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23
  24 ### Shell script to edit files and make symlinks in preparation for
  25 ### compiling Emacs.
  26 ###
  27 ### Usage: configure config_name
  28 ###
  29 ### If configure succeeds, it leaves its status in config.status.
  30 ### If configure fails after disturbing the status quo,
  31 ###     config.status is removed.
  32 ###
  33
  34
  35 ### Remove any leading "." elements from the path name.  If we don't
  36 ### remove them, then another "./" will be prepended to the file name
  37 ### each time we use config.status, and the program name will get larger
  38 ### and larger.  This wouldn't be a problem, except that since progname
  39 ### gets recorded in all the Makefiles this script produces,
  40 ### move-if-change thinks they're different when they're not.
  41 ###
  42 ### It would be nice if we could put the ./ in a \( \) group and then
  43 ### apply the * operator to that, so we remove as many leading ./././'s
  44 ### as are present, but some seds (like Ultrix's sed) don't allow you to
  45 ### apply * to a \( \) group.  Bleah.
  46 progname="`echo $0 | sed 's:^\./::'`"
  47
  48
  49 #### Usage messages.
  50
  51 short_usage="Type \`${progname} --usage' for more information about options."
  52
  53 long_usage="Usage: ${progname} CONFIGURATION [-OPTION[=VALUE] ...]
  54
  55 Set compilation and installation parameters for GNU Emacs, and report.
  56 CONFIGURATION specifies the machine and operating system to build for.
  57 For example:
  58         ${progname} sparc-sun-sunos4.1
  59 configures Emacs to build on a Sun Sparc machine running SunOS 4.1, and
  60         ${progname} decstation
  61 configures Emacs to run on a DECstation running Ultrix.  See \`etc/MACHINES'.
  62
  63 The --with-x, --with-x11 and --with-x10 options specify what window
  64         system to use; if all are omitted, use X11 if present.  If you
  65         don't want X, specify \`--with-x=no'.
  66
  67 The --with-gcc option says that the build process should use GCC to
  68         compile Emacs.  If you have GCC but don't want to use it,
  69         specify \`--with-gcc=no'.  \`configure' tries to guess whether
  70         or not you have GCC by searching your executable path, but if
  71         it guesses incorrectly, you may need to use this.
  72
  73 The --srcdir=DIR option specifies that the configuration and build
  74         processes should look for the Emacs source code in DIR, when
  75         DIR is not the current directory.  This option doesn't work yet.
  76
  77 If successful, ${progname} leaves its status in config.status.  If
  78 unsuccessful after disturbing the status quo, it removes config.status."
  79
  80
  81 #### Option processing.
  82
  83 ### These are the names of CPP symbols we want to define or leave undefined
  84 ### in src/config.h; their values are given by the shell variables of the same
  85 ### names.
  86 config_h_opts=" \
  87 HAVE_X_WINDOWS HAVE_X11 HAVE_X_MENU \
  88 SIGTYPE GNU_MALLOC REL_ALLOC LISP_FLOAT_TYPE HAVE_CONST"
  89
  90 ### Record all the arguments, so we can save them in config.status.
  91 arguments="$@"
  92
  93 while [ $# != 0 ]; do
  94   arg="$1"
  95   case "${arg}" in
  96
  97     ## Anything starting with a hyphen we assume is an option.
  98     -* )
  99
 100       ## Separate the switch name from the value it's being given.
 101       case "${arg}" in
 102         -*=*)
 103           opt=`echo ${arg} | sed 's:^-*\([^=]*\)=.*$:\1:'`
 104           val=`echo ${arg} | sed 's:^-*[^=]*=\(.*\)$:\1:'`
 105           valomitted=no
 106         ;;
 107         -*)
 108           ## If FOO is a boolean argument, --FOO is equivalent to
 109           ## --FOO=yes.  Otherwise, the value comes from the next
 110           ## argument - see below.
 111           opt=`echo ${arg} | sed 's:^-*\(.*\)$:\1:'`
 112           val="yes"
 113           valomitted=yes
 114         ;;
 115       esac
 116
 117       ## Change `-' in the option name to `_'.
 118       opt="`echo ${opt} | tr - _`"
 119
 120       ## Process the option.
 121       case "${opt}" in
 122
 123         ## Has the user specified which window systems they want to support?
 124         "with_x" | "with_x11" | "with_x10" )
 125           ## Make sure the value given was either "yes" or "no".
 126           case "${val}" in
 127             y | ye | yes )      val=yes ;;
 128             n | no )            val=no  ;;
 129             * )
 130               (echo "${progname}: the \`--${opt}' option is supposed to have a boolean value.
 131 Set it to either \`yes' or \`no'."
 132                echo "${short_usage}") >&2
 133               exit 1
 134             ;;
 135           esac
 136           eval "${opt}=\"${val}\""
 137         ;;
 138
 139         ## Has the user specified whether or not they want GCC?
 140         "with_gcc" )
 141           ## Make sure the value given was either "yes" or "no".
 142           case "${val}" in
 143             y | ye | yes )      val=yes ;;
 144             n | no )            val=no  ;;
 145             * )
 146               (echo "${progname}: the \`--${opt}' option is supposed to have a boolean value.
 147 Set it to either \`yes' or \`no'."
 148                echo "${short_usage}") >&2
 149               exit 1
 150             ;;
 151           esac
 152           eval "${opt}=\"${val}\""
 153         ;;
 154
 155         ## Has the user specified a source directory?
 156         "srcdir" )
 157           ## If the value was omitted, get it from the next argument.
 158           if [ "${valomitted}" = "yes" ]; then
 159             ## Get the next argument from the argument list, if there is one.
 160             if [ $# = 1 ]; then
 161               (echo "${progname}: You must give a value for the \`--${opt}' option, as in
 162     \`--${opt}=FOO'."
 163                echo "${short_usage}") >&2
 164               exit 1
 165             fi
 166             shift; val="$1"
 167           fi
 168           srcdir="${val}"
 169
 170           echo "${progname}: Beware - the \`--srcdir' option doesn't work yet." >&2
 171         ;;
 172
 173         ## Has the user asked for some help?
 174         "usage" | "help" )
 175           echo "${long_usage}" | more
 176           exit
 177         ;;
 178
 179         ## We ignore all other options silently.
 180       esac
 181     ;;
 182
 183     ## Anything not starting with a hyphen we assume is a
 184     ## configuration name.
 185     *)
 186       configuration=${arg}
 187     ;;
 188
 189   esac
 190   shift
 191 done
 192
 193 if [ "${configuration}" = "" ]; then
 194   (echo "${progname}: You must specify a configuration name as an argument."
 195    echo "${short_usage}") >&2
 196   exit 1
 197 fi
 198
 199
 200 #### Decide where the source is.
 201 case "${srcdir}" in
 202
 203   ## If it's not specified, see if  `.' or `..' might work.
 204   "" )
 205     if [ -f "./src/lisp.h" -a -f "./lisp/version.el" ]; then
 206       srcdir=`pwd`
 207     else
 208       if [ -f "../src/lisp.h" -a -f "../lisp/version.el" ]; then
 209         srcdir=`(cd .. ; pwd)`
 210       else
 211         (echo "\
 212 ${progname}: Neither the current directory nor its parent seem to
 213 contain the Emacs sources.  If you do not want to build Emacs in its
 214 source tree, you should run \`${progname}' in the directory in which
 215 you wish to build Emacs, using its \`--srcdir' option to say where the
 216 sources may be found."
 217          echo "${short_usage}") >&2
 218         exit 1
 219       fi
 220     fi
 221   ;;
 222
 223   ## Otherwise, check if the directory they specified is okay.
 224   * )
 225     if [ ! -d "${srcdir}" -o ! -f "${srcdir}/src/lisp.h" -o ! -f "${srcdir}/lisp/version.el" ]; then
 226       (echo "\
 227 ${progname}: The directory specified with the \`--srcdir' option,
 228 \`${srcdir}', doesn't seem to contain the Emacs sources.  You should
 229 either run the \`${progname}' script at the top of the Emacs source
 230 tree, or use the \`--srcdir' option to specify where the Emacs sources
 231 are."
 232        echo "${short_usage}") >&2
 233       exit 1
 234     fi
 235   ;;
 236
 237 esac
 238
 239 ### Make the necessary directories, if they don't exist.
 240 if [ ! -d ./src ]; then
 241   mkdir ./src
 242 fi
 243 if [ ! -d ./lib-src ]; then
 244   mkdir ./lib-src
 245 fi
 246 if [ ! -d ./cpp ]; then
 247   mkdir ./cpp
 248 fi
 249 if [ ! -d ./oldXMenu ]; then
 250   mkdir ./oldXMenu
 251 fi
 252
 253
 254 #### Given the configuration name, set machfile and opsysfile to the
 255 #### names of the m/*.h and s/*.h files we should use.
 256
 257 ### Canonicalize the configuration name.
 258 echo "Checking the configuration name."
 259 if configuration=`${srcdir}/config.sub "${configuration}"` ; then : ; else
 260   exit $?
 261 fi
 262
 263 ### You would hope that you could choose an m/*.h file pretty much
 264 ### based on the machine portion of the configuration name, and an s-
 265 ### file based on the operating system portion.  However, it turns out
 266 ### that each m/*.h file is pretty manufacturer-specific - for
 267 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 268 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 269 ### machines.  So we basically have to have a special case for each
 270 ### configuration name.
 271
 272 ### As far as handling version numbers on operating systems is
 273 ### concerned, make sure things will fail in a fixable way.  If
 274 ### /etc/MACHINES doesn't say anything about version numbers, be
 275 ### prepared to handle anything reasonably.  If version numbers
 276 ### matter, be sure /etc/MACHINES says something about it.
 277 machine='' opsys='' unported='false'
 278 case "${configuration}" in
 279
 280   ## Alliant machines
 281   ## Strictly speaking, we need the version of the alliant operating
 282   ## system to choose the right machine file, but currently the
 283   ## configuration name doesn't tell us enough to choose the right
 284   ## one; we need to give alliants their own operating system name to
 285   ## do this right.  When someone cares, they can help us.
 286   fx80-alliant-* )
 287     machine=alliant4 opsys=bsd4-2
 288   ;;
 289   i860-alliant-* )
 290     machine=alliant-2800 opsys=bsd4-3
 291   ;;
 292
 293   ## Altos 3068
 294   m68*-altos-sysv* )
 295     machine=altos opsys=usg5-2
 296   ;;
 297
 298   ## Amdahl UTS
 299   580-amdahl-sysv* )
 300     machine=amdahl opsys=usg5-2-2
 301   ;;
 302
 303   ## Appallings - I mean, Apollos - running Domain
 304   m68*-apollo* )
 305     machine=apollo opsysfile=bsd4-2.h
 306   ;;
 307
 308   ## AT&T 3b2, 3b5, 3b15, 3b20
 309   we32k-att-sysv* )
 310     machine=att3b opsys=usg5-2-2
 311   ;;
 312
 313   ## AT&T 3b1 - The Mighty Unix PC!
 314   m68*-att-sysv* )
 315     machine=7300 opsys=usg5-2-2
 316   ;;
 317
 318   ## Bull sps7
 319   m68*-bull-sysv* )
 320     machine=sps7 opsys=usg5-2
 321   ;;
 322
 323   ## CCI 5/32, 6/32 -- see "Tahoe".
 324
 325   ## Celerity
 326   ## I don't know what configuration name to use for this; config.sub
 327   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 328   ## in touch with us!
 329   celerity-celerity-bsd* )
 330     machine=celerity opsys=bsd4-2
 331   ;;
 332
 333   ## Clipper
 334   ## What operating systems does this chip run that Emacs has been
 335   ## tested on?
 336   clipper-* )
 337     machine=clipper
 338     ## We'll use the catch-all code at the bottom to guess the
 339     ## operating system.
 340   ;;
 341
 342   ## Convex
 343   *-convex-bsd* )
 344     machine=convex opsys=bsd4-3
 345   ;;
 346
 347   ## Cubix QBx/386
 348   i386-cubix-sysv* )
 349     machine=intel386 opsys=usg5-3
 350   ;;
 351
 352   ## Cydra 5
 353   cydra*-cydrome-sysv* )
 354     machine=cydra5 opsys=usg5-3
 355   ;;
 356
 357   ## DECstations
 358   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0 | mips-dec-bsd4.2 )
 359     machine=pmax opsys=bsd4-2
 360   ;;
 361   mips-dec-ultrix* | mips-dec-bsd* )
 362     machine=pmax opsys=bsd4-3
 363   ;;
 364   mips-dec-osf* )
 365     machine=pmax opsys=osf1
 366   ;;
 367
 368   ## Motorola Delta machines
 369   m68*-motorola-sysv* )
 370     machine=delta opsys=usg5-3
 371   ;;
 372   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 373     machine=delta88k opsys=usg5-3
 374   ;;
 375
 376   ## Dual machines
 377   m68*-dual-sysv* )
 378     machine=dual opsys=usg5-2
 379   ;;
 380   m68*-dual-uniplus* )
 381     machine=dual opsys=unipl5-2
 382   ;;
 383
 384   ## Elxsi 6400
 385   elxsi-elxsi-sysv* )
 386     machine=elxsi opsys=usg5-2
 387   ;;
 388
 389   ## Encore machines
 390   ns16k-encore-bsd* )
 391     machine=ns16000 opsys=umax
 392   ;;
 393
 394   ## The GEC 93 - apparently, this port isn't really finished yet.
 395
 396   ## Gould Power Node and NP1
 397   pn-gould-bsd4.2 )
 398     machine=gould opsys=bsd4-2
 399   ;;
 400   pn-gould-bsd4.3 )
 401     machine=gould opsys=bsd4-3
 402   ;;
 403   np1-gould-bsd* )
 404     machine=gould-np1 opsys=bsd4-3
 405   ;;
 406
 407   ## Honeywell XPS100
 408   xps*-honeywell-sysv* )
 409     machine=xps100 opsys=usg5-2
 410   ;;
 411
 412   ## HP 9000 series 200 or 300
 413   m68*-hp-bsd* )
 414     machine=hp9000s300 opsys=bsd4-3
 415   ;;
 416   ## HP/UX 8 doesn't run on these machines, so use HP/UX 7.
 417   m68*-hp-hpux* )
 418     machine=hp9000s300 opsys=hpux
 419   ;;
 420
 421   ## HP 9000 series 800, running HP/UX
 422   hppa1.0-hp-hpux* )
 423     machine=hp9000s800 opsys=hpux
 424   ;;
 425
 426   ## Orion machines
 427   orion-orion-bsd* )
 428     machine=orion opsys=bsd4-2
 429   ;;
 430   clipper-orion-bsd* )
 431     machine=orion105 opsys=bsd4-2
 432   ;;
 433
 434   ## IBM machines
 435   i386-ibm-aix1.1 )
 436     machine=ibmps2-aix opsys=usg5-2-2
 437   ;;
 438   i386-ibm-aix1.2 )
 439     machine=ibmps2-aix opsys=usg5-3
 440   ;;
 441   rs6000-ibm-aix* )
 442     machine=ibmrs6000 opsys=aix3-1
 443   ;;
 444   romp-ibm-bsd* )
 445     machine=ibmrt opsys=bsd4-2
 446   ;;
 447   romp-ibm-aix* )
 448     machine=ibmrt-aix opsys=usg5-2-2
 449   ;;
 450
 451   ## Integrated Solutions `Optimum V'
 452   m68*-isi-bsd4.2 )
 453     machine=isi-ov opsys=bsd4-2
 454   ;;
 455   m68*-isi-bsd4.3 )
 456     machine=isi-ov opsys=bsd4-3
 457   ;;
 458
 459   ## Intel 386 machines where we do care about the manufacturer
 460   i[34]86-intsys-sysv* )
 461     machine=is386 opsys=usg5-2-2
 462   ;;
 463   ## Intel 386 machines where we don't care about the manufacturer
 464   i[34]86-* )
 465     machine=intel386
 466     case "${configuration}" in
 467       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 468       *-isc2.2 )                opsys=isc2-2 ;;
 469       *-isc* )                  opsys=isc3-0 ;;
 470       *-esix* )                 opsys=esix ;;
 471       *-xenix* )                opsys=xenix ;;
 472       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 473     esac
 474   ;;
 475
 476   ## Silicon Graphics machines
 477   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 478   m68*-sgi-iris3.5 )
 479     machine=irist opsys=iris3-5
 480   ;;
 481   m68*-sgi-iris3.6 | m68*-sgi-iris*)
 482     machine=irist opsys=iris3-6
 483   ;;
 484   ## Iris 4D
 485   mips-sgi-irix3.* )
 486     machine=iris4d opsys=irix3-3
 487   ;;
 488   mips-sgi-irix4.* | mips-sgi-irix* )
 489     machine=iris4d opsys=irix4-0
 490   ;;
 491
 492   ## Masscomp machines
 493   m68*-masscomp-rtu )
 494     machine=masscomp opsys=rtu
 495   ;;
 496
 497   ## Megatest machines
 498   m68*-megatest-bsd* )
 499     machine=mega68 opsys=bsd4-2
 500   ;;
 501
 502   ## Workstations sold by MIPS
 503   ## This is not necessarily all workstations using the MIPS processor -
 504   ## Irises are produced by SGI, and DECstations by DEC.
 505
 506   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 507   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 508   ## it gives for choosing between the alternatives seems to be "Use
 509   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 510   ## the BSD world."  I'll assume that these are instructions for
 511   ## handling two odd situations, and that every other situation
 512   ## should use mips.h and usg5-2-2, they being listed first.
 513   mips-mips-riscos4* )
 514     machine=mips4 opsys=usg5-2-2
 515   ;;
 516   mips-mips-bsd* )
 517     machine=mips opsys=bsd4-3
 518   ;;
 519   mips-mips-* )
 520     machine=mips opsys=usg5-2-2
 521   ;;
 522
 523   ## The complete machine from National Semiconductor
 524   ns32k-ns-genix* )
 525     machine=ns32000 opsys=usg5-2
 526   ;;
 527
 528   ## NCR machines
 529   m68*-ncr-sysv2* )
 530     machine=tower32 opsys=usg5-2-2
 531   ;;
 532   m68*-ncr-sysv3* )
 533     machine=tower32v3 opsys=usg5-3
 534   ;;
 535
 536   ## Nixdorf Targon 31
 537   m68*-nixdorf-sysv* )
 538     machine=targon31 opsys=usg5-2-2
 539   ;;
 540
 541   ## Nu (TI or LMI)
 542   m68*-nu-sysv* )
 543     machine=nu opsys=usg5-2
 544   ;;
 545
 546   ## Plexus
 547   m68*-plexus-sysv* )
 548     machine=plexus opsys=usg5-2
 549   ;;
 550
 551   ## Prime EXL
 552   i386-prime-sysv* )
 553     machine=i386 opsys=usg5-3
 554   ;;
 555
 556   ## Pyramid machines
 557   ## I don't really have any idea what sort of processor the Pyramid has,
 558   ## so I'm assuming it is its own architecture.
 559   pyramid-pyramid-bsd* )
 560     machine=pyramid opsys=bsd4-2
 561   ;;
 562
 563   ## Sequent Balance
 564   ns32k-sequent-bsd4.2 )
 565     machine=sequent opsys=bsd4-2
 566   ;;
 567   ns32k-sequent-bsd4.3 )
 568     machine=sequent opsys=bsd4-3
 569   ;;
 570   ## Sequent Symmetry
 571   i386-sequent-bsd* )
 572     machine=symmetry opsys=bsd4-3
 573   ;;
 574
 575   ## SONY machines
 576   m68*-sony-bsd4.2 )
 577     machine=news opsys=bsd4-2
 578   ;;
 579   m68*-sony-bsd4.3 )
 580     machine=news opsys=bsd4-3
 581   ;;
 582   mips-sony-bsd* )
 583     machine=news-risc opsys=bsd4-3
 584   ;;
 585
 586   ## Stride
 587   m68*-stride-sysv* )
 588     machine=stride opsys=usg5-2
 589   ;;
 590
 591   ## Suns
 592   *-sun-sunos* | *-sun-bsd* )
 593     case "${configuration}" in
 594       m68*-sunos1* )    machine=sun1 ;;
 595       m68*-sunos2* )    machine=sun2 ;;
 596       m68* )            machine=sun3 ;;
 597       i[34]86* )        machine=sun386 ;;
 598       sparc* )          machine=sparc ;;
 599       * )               unported=true ;;
 600     esac
 601     case "${configuration}" in
 602       *-sunos4.0*         ) opsys=sunos4-0 ;;
 603       *-sunos4* | *-sunos ) opsys=sunos4-1 ;;
 604       *                   ) opsys=bsd4-2   ;;
 605     esac
 606   ;;
 607
 608   ## Tadpole 68k
 609   m68*-tadpole-sysv* )
 610     machine=tad68k opsys=usg5-3
 611   ;;
 612
 613   ## Tahoe machines
 614   tahoe-tahoe-bsd4.2 )
 615     machine=tahoe opsys=bsd4-2
 616   ;;
 617   tahoe-tahoe-bsd4.3 )
 618     machine=tahoe opsys=bsd4-3
 619   ;;
 620
 621   ## Tandem Integrity S2
 622   mips-tandem-sysv* )
 623     machine=tandem-s2 opsys=usg5-3
 624   ;;
 625
 626   ## Tektronix 16000 box (6130?)
 627   ns16k-tektronix-bsd* )
 628     machine=ns16000 opsys=bsd4-2
 629   ;;
 630   ## Tektronix 4300
 631   ## src/m/tek4300.h hints that this is a m68k machine.
 632   m68*-tektronix-bsd* )
 633     machine=tex4300 opsys=bsd4-3
 634   ;;
 635
 636   ## Titan P2 or P3
 637   ## We seem to have lost the machine-description file titan.h!
 638   titan-titan-sysv* )
 639     machine=titan opsys=usg5-3
 640   ;;
 641
 642   ## Ustation E30 (SS5E)
 643   m68*-unisys-uniplus* )
 644     machine=ustation opsystem=unipl5-2
 645   ;;
 646
 647   ## Vaxen.
 648   vax-dec-* )
 649     machine=vax
 650     case "${configuration}" in
 651       *-bsd4.1 ) opsys=bsd4-1 ;;
 652       *-bsd4.2 | *-ultrix[0-3].* | *-ultrix4.0 ) opsys=bsd4-2 ;;
 653       *-bsd4.3 | *-ultrix* ) opsys=bsd4-3 ;;
 654       *-sysv[01]* ) opsys=usg5-0 ;;
 655       *-sysv2* ) opsys=usg5-2 ;;
 656       *-vms* ) opsys=vms ;;
 657       * ) unported=true
 658     esac
 659   ;;
 660
 661   ## Whitechapel MG1
 662   ns16k-whitechapel-* )
 663     machine=mg1
 664     ## We don't know what sort of OS runs on these; we'll let the
 665     ## operating system guessing code below try.
 666   ;;
 667
 668   ## Wicat
 669   m68*-wicat-sysv* )
 670     machine=wicat opsys=usg5-2
 671   ;;
 672
 673   * )
 674     unported=true
 675   ;;
 676 esac
 677
 678 ### If the code above didn't choose an operating system, just choose
 679 ### an operating system based on the configuration name.  You really
 680 ### only want to use this when you have no idea what the right
 681 ### operating system is; if you know what operating systems a machine
 682 ### runs, it's cleaner to make it explicit in the case statement
 683 ### above.
 684 if [ ! "${opsys}" ]; then
 685   case "${configuration}" in
 686     *-bsd4.[01] )       opsys=bsd4-1 ;;
 687     *-bsd4.2 )          opsys=bsd4-2 ;;
 688     *-bsd4.3 )          opsys=bsd4-3 ;;
 689     *-sysv0 )           opsys=usg5-0 ;;
 690     *-sysv2 )           opsys=usg5-2 ;;
 691     *-sysv2.2 )         opsys=usg5-2-2 ;;
 692     *-sysv3 )           opsys=usg5-3 ;;
 693     *-sysv4 )           opsys=usg5-4 ;;
 694     * )
 695       unported=true
 696     ;;
 697   esac
 698 fi
 699
 700 if $unported ; then
 701   (echo "${progname}: Emacs hasn't been ported to \`${configuration}' systems."
 702    echo "${progname}: Check \`etc/MACHINES' for recognized configuration names."
 703   ) >&2
 704   exit 1
 705 fi
 706
 707 machfile="m/${machine}.h"
 708 opsysfile="s/${opsys}.h"
 709
 710
 711 #### Choose a window system.
 712 echo "Checking window system."
 713 window_system=''
 714 case "${with_x}" in
 715   yes )
 716     window_system=${window_system}x11
 717   ;;
 718   no )
 719     window_system=${window_system}none
 720 esac
 721 case "${with_x11}" in
 722   yes )
 723     window_system=${window_system}x11
 724   ;;
 725 esac
 726 case "${with_x10}" in
 727   yes )
 728     window_system=${window_system}x10
 729   ;;
 730 esac
 731
 732 case "${window_system}" in
 733   "none" | "x11" | "x10" ) ;;
 734   "" )
 735     echo "  No window system specifed.  Looking for X Windows."
 736     window_system=none
 737     if [ -r /usr/lib/libX11.a -o -d /usr/include/X11 ]; then
 738       window_system=x11
 739     fi
 740   ;;
 741   * )
 742     echo "Don\'t specify the window system more than once." >&2
 743     exit 1
 744   ;;
 745 esac
 746
 747 case "${window_system}" in
 748   x11 )
 749     HAVE_X_WINDOWS=yes
 750     HAVE_X11=yes
 751     echo "  Using X11."
 752   ;;
 753   x10 )
 754     HAVE_X_WINDOWS=yes
 755     HAVE_X11=no
 756     echo "  Using X10."
 757   ;;
 758   none )
 759     HAVE_X_WINDOWS=no
 760     HAVE_X11=no
 761     echo "  Using no window system."
 762   ;;
 763 esac
 764
 765 ### If we're using X11, we should use the X menu package.
 766 HAVE_X_MENU=no
 767 case ${HAVE_X11} in
 768   yes )
 769     HAVE_X_MENU=yes
 770   ;;
 771 esac
 772
 773
 774 #### Choose a compiler.
 775 echo "Checking compilers."
 776 if [ "${with_gcc}" = "" ]; then
 777   echo "  Searching load path for GCC."
 778   temppath=`echo $PATH | sed 's/^:/.:/
 779                               s/::/:.:/g
 780                               s/:$/:./
 781                               s/:/ /g'`
 782   default_cc=`(
 783     for dir in ${temppath}; do
 784       if [ -f ${dir}/gcc ]; then echo gcc; exit 0; fi
 785     done
 786     echo cc
 787   )`
 788 else
 789   case ${with_gcc} in
 790     "yes" ) default_cc="gcc" ;;
 791     "no"  ) default_cc="cc"  ;;
 792   esac
 793 fi
 794
 795 case "${default_cc}" in
 796   "gcc" )
 797     echo "  Using GCC."
 798     default_cflags='-g -O'
 799   ;;
 800   * )
 801     echo "  Using the system's CC."
 802     default_cflags='-g'
 803   ;;
 804 esac
 805
 806
 807 #### Does this compiler support the `const' keyword?
 808 #### The code for this test was adapted from autoconf's test.
 809 echo "Checking if the compiler supports \`const'."
 810 rm -f conftest*
 811 compile='${default_cc} conftest.c -o conftest >/dev/null 2>&1'
 812 echo "
 813 main() { exit(0); } t() { /* Ultrix mips cc rejects this.  */
 814 typedef int charset[2]; const charset x;
 815 /* SunOS 4.1.1 cc rejects this. */
 816 char const *const *p;
 817 char **p2;
 818 /* HPUX 7.0 cc rejects these. */
 819 ++p;
 820 p2 = (char const* const*) p;
 821  }" > conftest.c
 822 if eval $compile; then
 823   echo "  It seems to."
 824   HAVE_CONST=yes
 825 else
 826   echo "  It doesn't seem to."
 827   HAVE_CONST=no
 828 fi
 829 rm -f conftest*
 830
 831 #### What is the return type of a signal handler?
 832
 833 ### We run /usr/include/signal.h through cpp and grep for the
 834 ### declaration of the signal function.  Yuck.
 835 echo "Looking for return type of signal handler functions."
 836 signal_h_file=''
 837 if [ -r /usr/include/signal.h ]; then
 838   signal_h_file=/usr/include/signal.h
 839 elif [ -r /usr/include/sys/signal.h ]; then
 840   signal_h_file=/usr/include/sys/signal.h
 841 fi
 842 SIGTYPE=void
 843 if [ "${signal_h_file}" ]; then
 844   sigpattern='[         ]*([    ]*\*[   ]*signal[       ]*('
 845
 846   ## We make a copy whose name ends in .c, so the compiler
 847   ## won't complain about having only been given a .h file.
 848   tempcname="configure.tmp.$$.c"
 849   cp ${signal_h_file}  ${tempcname}
 850   if ${default_cc} -E ${tempcname} | grep "int${sigpattern}" > /dev/null; then
 851     SIGTYPE=int
 852   fi
 853   rm -f ${tempcname}
 854 fi
 855 echo "  Guessing that signals return \`${SIGTYPE}'."
 856
 857
 858 #### Extract some information from the operating system and machine files.
 859
 860 echo "Examining the machine- and system-dependent files to find out"
 861 echo " - which libraries the lib-src programs will want, and"
 862 echo " - whether the GNU malloc routines are usable."
 863 tempcname="configure.tmp.$$.c"
 864 echo '
 865 #include "'${srcdir}'/src/'${opsysfile}'"
 866 #include "'${srcdir}'/src/'${machfile}'"
 867 #ifndef LIBS_MACHINE
 868 #define LIBS_MACHINE
 869 #endif
 870 #ifndef LIBS_SYSTEM
 871 #define LIBS_SYSTEM
 872 #endif
 873 @configure@ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
 874 #ifdef SYSTEM_MALLOC
 875 @configure@ system_malloc=yes
 876 #else
 877 @configure@ system_malloc=no
 878 #endif
 879 ' > ${tempcname}
 880 eval `${default_cc} -E ${tempcname} \
 881       | grep '@configure@' \
 882       | sed -e 's/^@configure@//'`
 883 rm ${tempcname}
 884
 885 # Do the opsystem or machine files prohibit the use of the GNU malloc?
 886 # Assume not, until told otherwise.
 887 GNU_MALLOC=yes
 888 if [ "${system_malloc}" = "yes" ]; then
 889   GNU_MALLOC=no
 890   GNU_MALLOC_reason="
 891   (The GNU allocators don't work with this system configuration.)"
 892 fi
 893
 894 if [ ! "${REL_ALLOC}" ]; then
 895   REL_ALLOC=${GNU_MALLOC}
 896 fi
 897
 898 LISP_FLOAT_TYPE=yes
 899
 900
 901 #### Find out which version of Emacs this is.
 902 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
 903          | sed -e 's/^.*"\([0-9][0-9]*\.[0-9][0-9]*\)\..*$/\1/'`
 904 if [ ! "${version}" ]; then
 905   echo "${progname}: can't find current emacs version in
 906         \`${srcdir}/lisp/version.el'." >&2
 907   exit 1
 908 fi
 909
 910
 911 #### Make the proper settings in `src/config.h'.
 912 rm -f config.status
 913 set -e
 914
 915 echo "Making \`./src/config.h' from \`${srcdir}/src/config.h.in'."
 916 sed_flags="-e 's:@machine@:${machfile}:' -e 's:@opsystem@:${opsysfile}:'"
 917
 918 for flag in ${config_h_opts}; do
 919   val=`eval echo '$'${flag}`
 920   case ${val} in
 921     no | "")
 922       f="-e 's:.*#define ${flag}.*:/\\* #define ${flag} \\*/:'"
 923     ;;
 924     yes)
 925       f="-e 's:.*#define ${flag}.*:#define ${flag}:'"
 926     ;;
 927     *)
 928       f="-e 's:.*#define ${flag}.*:#define ${flag} ${val}:'"
 929     ;;
 930   esac
 931   sed_flags="${sed_flags} ${f}"
 932 done
 933
 934 rm -f ./src/config.h.tmp
 935 (echo "/* This file is generated by \`${progname}' from"
 936  echo "   \`${srcdir}/src/config.h.in'."
 937  echo "   If you are thinking about editing it, you should seriously consider"
 938  echo "   running \`${progname} instead, or editing"
 939  echo "   \`${srcdir}/src/config.h.in' itself."
 940  eval '/bin/sed '${sed_flags}' < "${srcdir}/src/config.h.in"'
 941 ) > src/config.h.tmp
 942 ${srcdir}/move-if-change src/config.h.tmp src/config.h
 943 ### Remind people not to edit this.
 944 chmod -w src/config.h
 945
 946
 947 #### Modify the parameters in the top-level Makefile.
 948 echo "Producing \`Makefile' from \`${srcdir}/Makefile.in'."
 949 rm -f Makefile.tmp
 950 (echo "\
 951 # This file is generated by \`${progname}' from
 952 # \`${srcdir}/Makefile.in'.
 953 # If you are thinking about editing it, you should seriously consider
 954 # running \`${progname}' instead, or editing
 955 # \`${srcdir}/Makefile.in' itself."
 956  /bin/sed < ${srcdir}/Makefile.in                               \
 957  -e 's|^configname *=.*$|configname='"${configuration}"'|'      \
 958  -e 's|^version *=.*$|version='"${version}"'|'          \
 959  -e 's|^srcdir *=.*$|srcdir='"${srcdir}"'|'                     \
 960  -e 's|^CC *=.*$|CC='"${default_cc}"'|'                 \
 961  -e 's|^CONFIG_CFLAGS *=.*$|CONFIG_CFLAGS='"${default_cflags}"'|'       \
 962  -e 's|^LOADLIBES *=.*$|LOADLIBES='"${libsrc_libs}"'|'  \
 963  -e '/^# DIST: /d') > Makefile.tmp
 964 ${srcdir}/move-if-change Makefile.tmp Makefile
 965
 966 ### I'm commenting out this section until I bring the `build-install' script
 967 ### into line with the rest of the configuration stuff.
 968
 969 ### # Modify the parameters in the `build-install' script.
 970 ### echo "Producing \`./build-install' from \`${srcdir}/build-install.in'."
 971 ### rm -f ./build-install.tmp
 972 ### (echo "\
 973 ### # This file is generated by \`${progname}' from \`${srcdir}/build-install.in'.
 974 ### # If you are thinking about editing it, you should seriously consider
 975 ### # editing \`./build-install.in' itself, or running \`${progname}' instead."
 976 ###  /bin/sed < ${srcdir}/build-install.in                      \
 977 ###  -e 's;^\(prefix=\).*$;\1'"${prefix};"                      \
 978 ###  -e 's;^\(bindir=\).*$;\1'"${bindir};"                      \
 979 ###  -e 's;^\(lisppath=\).*$;\1'"${lisppath};"          \
 980 ###  -e 's;^\(datadir=\).*$;\1'"${datadir};"            \
 981 ###  -e 's;^\(lockdir=\).*$;\1'"${lockdir};"            \
 982 ###  -e 's;^\(libdir=\).*$;\1'"${libdir};") > ./build-install.tmp
 983 ### ${srcdir}/move-if-change build-install.tmp build-install
 984 ### # Remind people not to edit this.
 985 ### chmod -w build-install
 986 ### chmod +x build-install
 987
 988
 989 #### Describe the results.
 990
 991 ### Create a verbal description of what we have done.
 992 message="Configured for \`${configuration}'.
 993
 994   What operating system and machine description files should Emacs use?
 995         \`${opsysfile}' and \`${machfile}'
 996   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
 997   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
 998   What window system should Emacs use?                    ${window_system}
 999   What compiler should emacs be built with?               ${default_cc}
1000   Should the compilation use \`-g' and/or \`-O'?            ${default_cflags-neither}"
1001
1002 ### Write config.status, documenting the damage we have done.
1003
1004 (echo "\
1005 #!/bin/sh
1006 ### This file is generated by \`${progname}.'
1007 ### If you are thinking about editing it, you should seriously consider
1008 ### running \`${progname}' instead.
1009 "
1010  echo "${message}" | sed -e 's/^/# /'
1011  echo "exec '${progname}' ${arguments} "'$@') > config.status
1012
1013 ### Remind people not to edit this.
1014 chmod -w config.status
1015 chmod +x config.status
1016
1017 ### Print the description.
1018 echo
1019 echo "${message}"
1020
1021 exit 0