configure.in

   1 dnl This is an autoconf script.
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 AC_PREREQ(1.111)dnl
   6 AC_INIT(src/lisp.h)
   7 AC_CONFIG_HEADER(src/config.h)
   8
   9 bindir='${exec_prefix}/bin'
  10 datadir='${prefix}/lib'
  11 statedir='${prefix}/lib'
  12 libdir='${exec_prefix}/lib'
  13 mandir='${prefix}/man/man1'
  14 infodir='${prefix}/info'
  15 lispdir='${datadir}/emacs/${version}/lisp'
  16 locallisppath='${datadir}/emacs/site-lisp'
  17 lisppath='${locallisppath}:${lispdir}'
  18 etcdir='${datadir}/emacs/${version}/etc'
  19 lockdir='${statedir}/emacs/lock'
  20 archlibdir='${libdir}/emacs/${version}/${configuration}'
  21 docdir='${datadir}/emacs/${version}/etc'
  22
  23 AC_ARG_WITH(gcc,
  24 [  --with-gcc              Use GCC to compile Emacs])
  25 AC_ARG_WITH(x-toolkit,
  26 [  --with-x-toolkit=KIT    Use an X toolkit (KIT = lucid or athena)],
  27 [         case "${withval}" in
  28             y | ye | yes )      val=athena ;;
  29             n | no )            val=no  ;;
  30             l | lu | luc | luci | lucid )       val=lucid ;;
  31             a | at | ath | athe | athena )      val=athena ;;
  32 dnl These don't currently work.
  33 dnl         m | mo | mot | moti | motif )       val=motif ;;
  34 dnl         o | op | ope | open | open- | open-l | open-lo \
  35 dnl             | open-loo | open-look )        val=open-look ;;
  36             * )
  37 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  38 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  39 AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  40 which is \`yes', \`no', \`lucid', or \`athena'.
  41 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  42             ;;
  43           esac
  44           with_x_toolkit=$val
  45 ])
  46 dnl AC_ARG_ENABLE(single-tree,
  47 dnl [  --enable-single-tree    Create a directory tree at DIR which looks like:
  48 dnl                           .../DIR/bin/CONFIGNAME (emacs, etags, etc.)
  49 dnl                           .../DIR/bin/CONFIGNAME/etc (movemail, etc.)
  50 dnl                           .../DIR/common/lisp  (emacs' lisp files)
  51 dnl                           .../DIR/common/site-lisp (local lisp files)
  52 dnl                           .../DIR/common/lib (DOC, TUTORIAL, etc.)
  53 dnl                           .../DIR/common/lock (lockfiles)])
  54
  55 #### Make srcdir absolute, if it isn't already.  It's important to
  56 #### avoid running the path through pwd unnecessary, since pwd can
  57 #### give you automounter prefixes, which can go away.  We do all this
  58 #### so Emacs can find its files when run uninstalled.
  59 case "${srcdir}" in
  60   /* ) ;;
  61   . )
  62     ## We may be able to use the $PWD environment variable to make this
  63     ## absolute.  But sometimes PWD is inaccurate.
  64     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  65     then
  66       srcdir="$PWD"
  67     else
  68       srcdir="`(cd ${srcdir}; pwd)`"
  69     fi
  70   ;;
  71   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
  72 esac
  73
  74 #### Check if the source directory already has a configured system in it.
  75 if test `pwd` != `(cd ${srcdir} && pwd)` \
  76    && test -f "${srcdir}/src/config.h" ; then
  77   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
  78    as a build directory right now; it has been configured in its own
  79    right.  To configure in another directory as well, you MUST
  80    use GNU make.  If you do not have GNU make, then you must
  81    now do \`make distclean' in ${srcdir},
  82    and then run $0 again.])
  83
  84   extrasub='/^VPATH[     ]*=/c\
  85 vpath %.c $(srcdir)\
  86 vpath %.h $(srcdir)\
  87 vpath %.y $(srcdir)\
  88 vpath %.l $(srcdir)\
  89 vpath %.s $(srcdir)\
  90 vpath %.in $(srcdir)'
  91 fi
  92
  93 #### Given the configuration name, set machfile and opsysfile to the
  94 #### names of the m/*.h and s/*.h files we should use.
  95
  96 ### Canonicalize the configuration name.
  97
  98 AC_CANONICAL_HOST
  99 canonical=$host
 100 configuration=$host_alias
 101
 102 changequote(, )dnl
 103
 104 ### If you add support for a new configuration, add code to this
 105 ### switch statement to recognize your configuration name and select
 106 ### the appropriate operating system and machine description files.
 107
 108 ### You would hope that you could choose an m/*.h file pretty much
 109 ### based on the machine portion of the configuration name, and an s-
 110 ### file based on the operating system portion.  However, it turns out
 111 ### that each m/*.h file is pretty manufacturer-specific - for
 112 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 113 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 114 ### machines.  So we basically have to have a special case for each
 115 ### configuration name.
 116 ###
 117 ### As far as handling version numbers on operating systems is
 118 ### concerned, make sure things will fail in a fixable way.  If
 119 ### /etc/MACHINES doesn't say anything about version numbers, be
 120 ### prepared to handle anything reasonably.  If version numbers
 121 ### matter, be sure /etc/MACHINES says something about it.
 122 ###
 123 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 124 ### "System V Release 4"; he writes, "The old convention encouraged
 125 ### confusion between `system' and `release' levels'."
 126
 127 machine='' opsys='' unported=no
 128 case "${canonical}" in
 129
 130   ## NetBSD ports
 131   *-*-netbsd* )
 132     opsys=netbsd
 133     case "${canonical}" in
 134       i[345]86-*-netbsd*) machine=intel386 ;;
 135       m68k-*-netbsd*)
 136                         # This is somewhat bogus.
 137                         machine=hp9000s300 ;;
 138       mips-*-netbsd*)   machine=pmax ;;
 139       ns32k-*-netbsd*)  machine=ns32000 ;;
 140       sparc-*-netbsd*)  machine=sparc ;;
 141     esac
 142   ;;
 143
 144   ## Alliant machines
 145   ## Strictly speaking, we need the version of the alliant operating
 146   ## system to choose the right machine file, but currently the
 147   ## configuration name doesn't tell us enough to choose the right
 148   ## one; we need to give alliants their own operating system name to
 149   ## do this right.  When someone cares, they can help us.
 150   fx80-alliant-* )
 151     machine=alliant4 opsys=bsd4-2
 152   ;;
 153   i860-alliant-* )
 154     machine=alliant-2800 opsys=bsd4-3
 155   ;;
 156
 157   ## Altos 3068
 158   m68*-altos-sysv* )
 159     machine=altos opsys=usg5-2
 160   ;;
 161
 162   ## Amdahl UTS
 163   580-amdahl-sysv* )
 164     machine=amdahl opsys=usg5-2-2
 165   ;;
 166
 167   ## Appallings - I mean, Apollos - running Domain
 168   m68*-apollo* )
 169     machine=apollo opsys=bsd4-2
 170   ;;
 171
 172   ## AT&T 3b2, 3b5, 3b15, 3b20
 173   we32k-att-sysv* )
 174     machine=att3b opsys=usg5-2-2
 175   ;;
 176
 177   ## AT&T 3b1 - The Mighty Unix PC!
 178   m68*-att-sysv* )
 179     machine=7300 opsys=usg5-2-2
 180   ;;
 181
 182   ## Bull dpx20
 183   rs6000-bull-bosx* )
 184     machine=ibmrs6000 opsys=aix3-2
 185   ;;
 186
 187   ## Bull dpx2
 188   m68*-bull-sysv3* )
 189     machine=dpx2 opsys=usg5-3
 190   ;;
 191
 192   ## Bull sps7
 193   m68*-bull-sysv2* )
 194     machine=sps7 opsys=usg5-2
 195   ;;
 196
 197   ## CCI 5/32, 6/32 -- see "Tahoe".
 198
 199   ## Celerity
 200   ## I don't know what configuration name to use for this; config.sub
 201   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 202   ## in touch with us!
 203   celerity-celerity-bsd* )
 204     machine=celerity opsys=bsd4-2
 205   ;;
 206
 207   ## Clipper
 208   ## What operating systems does this chip run that Emacs has been
 209   ## tested on?
 210   clipper-* )
 211     machine=clipper
 212     ## We'll use the catch-all code at the bottom to guess the
 213     ## operating system.
 214   ;;
 215
 216   ## Convex
 217   *-convex-bsd* | *-convex-convexos* )
 218     machine=convex opsys=bsd4-3
 219     ## Prevents suprious white space in makefiles - d.m.cooke@larc.nasa.gov
 220     NON_GNU_CPP="cc -E -P"
 221   ;;
 222
 223   ## Cubix QBx/386
 224   i[345]86-cubix-sysv* )
 225     machine=intel386 opsys=usg5-3
 226   ;;
 227
 228   ## Cydra 5
 229   cydra*-cydrome-sysv* )
 230     machine=cydra5 opsys=usg5-3
 231   ;;
 232
 233   ## Data General AViiON Machines
 234   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 235     machine=aviion opsys=dgux5-4r3
 236   ;;
 237   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 238     machine=aviion opsys=dgux5-4r2
 239   ;;
 240   m88k-dg-dgux* )
 241     machine=aviion opsys=dgux
 242   ;;
 243
 244   ## DECstations
 245   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 246     machine=pmax opsys=bsd4-2
 247   ;;
 248   mips-dec-ultrix* | mips-dec-bsd* )
 249     machine=pmax opsys=bsd4-3
 250   ;;
 251   mips-dec-osf* )
 252     machine=pmax opsys=osf1
 253   ;;
 254
 255   ## Motorola Delta machines
 256   m68k-motorola-sysv* | m68000-motorola-sysv* )
 257     machine=delta opsys=usg5-3
 258     if test -z "`type gnucc | grep 'not found'`"
 259     then CC=gnucc
 260     else
 261       if test -z "`type gcc | grep 'not found'`"
 262       then CC=gcc
 263       else CC=cc
 264       fi
 265     fi
 266   ;;
 267   m88k-motorola-sysv4* )
 268     machine=delta88k opsys=usg5-4
 269   ;;
 270   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 271     machine=delta88k opsys=usg5-3
 272   ;;
 273
 274   ## Dual machines
 275   m68*-dual-sysv* )
 276     machine=dual opsys=usg5-2
 277   ;;
 278   m68*-dual-uniplus* )
 279     machine=dual opsys=unipl5-2
 280   ;;
 281
 282   ## Elxsi 6400
 283   elxsi-elxsi-sysv* )
 284     machine=elxsi opsys=usg5-2
 285   ;;
 286
 287   ## Encore machines
 288   ns16k-encore-bsd* )
 289     machine=ns16000 opsys=umax
 290   ;;
 291
 292   ## The GEC 93 - apparently, this port isn't really finished yet.
 293
 294   ## Gould Power Node and NP1
 295   pn-gould-bsd4.2* )
 296     machine=gould opsys=bsd4-2
 297   ;;
 298   pn-gould-bsd4.3* )
 299     machine=gould opsys=bsd4-3
 300   ;;
 301   np1-gould-bsd* )
 302     machine=gould-np1 opsys=bsd4-3
 303   ;;
 304
 305   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 306   ## as far as Emacs is concerned).
 307   m88k-harris-cxux* )
 308     # Build needs to be different on 7.0 and later releases
 309     case "`uname -r`" in
 310        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 311        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 312     esac
 313   ;;
 314   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 315   m68k-harris-cxux* )
 316     machine=nh3000 opsys=cxux
 317   ;;
 318
 319   ## Honeywell XPS100
 320   xps*-honeywell-sysv* )
 321     machine=xps100 opsys=usg5-2
 322   ;;
 323
 324   ## HP 9000 series 200 or 300
 325   m68*-hp-bsd* )
 326     machine=hp9000s300 opsys=bsd4-3
 327   ;;
 328   ## HP/UX 7, 8 and 9 are supported on these machines.
 329   m68*-hp-hpux* )
 330     case "`uname -r`" in
 331       ## Someone's system reports A.B8.05 for this.
 332       ## I wonder what other possibilities there are.
 333       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 334       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 335       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 336       *) machine=hp9000s300 opsys=hpux ;;
 337     esac
 338   ;;
 339
 340   ## HP 9000 series 700 and 800, running HP/UX
 341   hppa*-hp-hpux7* )
 342     machine=hp800 opsys=hpux
 343   ;;
 344   hppa*-hp-hpux8* )
 345     machine=hp800 opsys=hpux8
 346   ;;
 347   hppa*-hp-hpux9shr* )
 348     machine=hp800 opsys=hpux9shr
 349   ;;
 350   hppa*-hp-hpux9* )
 351     machine=hp800 opsys=hpux9
 352   ;;
 353
 354   ## HP 9000 series 700 and 800, running HP/UX
 355   hppa*-hp-hpux* )
 356     ## Cross-compilation?  Nah!
 357     case "`uname -r`" in
 358       ## Someone's system reports A.B8.05 for this.
 359       ## I wonder what other possibilities there are.
 360       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 361       *.08.* ) machine=hp800 opsys=hpux8 ;;
 362       *.09.* ) machine=hp800 opsys=hpux9 ;;
 363       *) machine=hp800 opsys=hpux ;;
 364     esac
 365   ;;
 366
 367   ## Orion machines
 368   orion-orion-bsd* )
 369     machine=orion opsys=bsd4-2
 370   ;;
 371   clipper-orion-bsd* )
 372     machine=orion105 opsys=bsd4-2
 373   ;;
 374
 375   ## IBM machines
 376   i[345]86-ibm-aix1.1* )
 377     machine=ibmps2-aix opsys=usg5-2-2
 378   ;;
 379   i[345]86-ibm-aix1.[23]* | i[345]86-ibm-aix* )
 380     machine=ibmps2-aix opsys=usg5-3
 381   ;;
 382   i370-ibm-aix*)
 383     machine=ibm370aix opsys=usg5-3
 384   ;;
 385   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 386     machine=ibmrs6000 opsys=aix3-1
 387   ;;
 388   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 389     machine=ibmrs6000 opsys=aix3-2-5
 390   ;;
 391   rs6000-ibm-aix* | powerpc-ibm-aix* )
 392     machine=ibmrs6000 opsys=aix3-2
 393   ;;
 394   romp-ibm-bsd4.3* )
 395     machine=ibmrt opsys=bsd4-3
 396   ;;
 397   romp-ibm-bsd4.2* )
 398     machine=ibmrt opsys=bsd4-2
 399   ;;
 400   romp-ibm-aos4.3* )
 401     machine=ibmrt opsys=bsd4-3
 402   ;;
 403   romp-ibm-aos4.2* )
 404     machine=ibmrt opsys=bsd4-2
 405   ;;
 406   romp-ibm-aos* )
 407     machine=ibmrt opsys=bsd4-3
 408   ;;
 409   romp-ibm-bsd* )
 410     machine=ibmrt opsys=bsd4-3
 411   ;;
 412   romp-ibm-aix* )
 413     machine=ibmrt-aix opsys=usg5-2-2
 414   ;;
 415
 416   ## Integrated Solutions `Optimum V'
 417   m68*-isi-bsd4.2* )
 418     machine=isi-ov opsys=bsd4-2
 419   ;;
 420   m68*-isi-bsd4.3* )
 421     machine=isi-ov opsys=bsd4-3
 422   ;;
 423
 424   ## Intel 386 machines where we do care about the manufacturer
 425   i[345]86-intsys-sysv* )
 426     machine=is386 opsys=usg5-2-2
 427   ;;
 428
 429   ## Prime EXL
 430   i[345]86-prime-sysv* )
 431     machine=i386 opsys=usg5-3
 432   ;;
 433
 434   ## Sequent Symmetry
 435   i[345]86-sequent-bsd* )
 436     machine=symmetry opsys=bsd4-3
 437   ;;
 438
 439   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 440   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 441   i[345]86-ncr-sysv* )
 442     machine=intel386 opsys=usg5-4-2
 443   ;;
 444
 445   ## Intel 860
 446   i860-*-sysv4* )
 447     machine=i860 opsys=usg5-4
 448     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 449     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 450   ;;
 451
 452   ## Masscomp machines
 453   m68*-masscomp-rtu* )
 454     machine=masscomp opsys=rtu
 455   ;;
 456
 457   ## Megatest machines
 458   m68*-megatest-bsd* )
 459     machine=mega68 opsys=bsd4-2
 460   ;;
 461
 462   ## Workstations sold by MIPS
 463   ## This is not necessarily all workstations using the MIPS processor -
 464   ## Irises are produced by SGI, and DECstations by DEC.
 465
 466   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 467   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 468   ## it gives for choosing between the alternatives seems to be "Use
 469   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 470   ## the BSD world."  I'll assume that these are instructions for
 471   ## handling two odd situations, and that every other situation
 472   ## should use mips.h and usg5-2-2, they being listed first.
 473   mips-mips-usg* )
 474     machine=mips4
 475     ## Fall through to the general code at the bottom to decide on the OS.
 476   ;;
 477   mips-mips-riscos4* )
 478     machine=mips4 opsys=bsd4-3
 479     NON_GNU_CC="cc -systype bsd43"
 480     NON_GNU_CPP="cc -systype bsd43 -E"
 481   ;;
 482   mips-mips-bsd* )
 483     machine=mips opsys=bsd4-3
 484   ;;
 485   mips-mips-* )
 486     machine=mips opsys=usg5-2-2
 487   ;;
 488
 489   ## NeXT
 490   m68*-next-* | i[345]86-next-* )
 491     machine=next opsys=mach2
 492   ;;
 493
 494   ## The complete machine from National Semiconductor
 495   ns32k-ns-genix* )
 496     machine=ns32000 opsys=usg5-2
 497   ;;
 498
 499   ## NCR machines
 500   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 501     machine=tower32 opsys=usg5-2-2
 502   ;;
 503   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 504     machine=tower32v3 opsys=usg5-3
 505   ;;
 506
 507   ## Nixdorf Targon 31
 508   m68*-nixdorf-sysv* )
 509     machine=targon31 opsys=usg5-2-2
 510   ;;
 511
 512   ## Nu (TI or LMI)
 513   m68*-nu-sysv* )
 514     machine=nu opsys=usg5-2
 515   ;;
 516
 517   ## Plexus
 518   m68*-plexus-sysv* )
 519     machine=plexus opsys=usg5-2
 520   ;;
 521
 522   ## Pyramid machines
 523   ## I don't really have any idea what sort of processor the Pyramid has,
 524   ## so I'm assuming it is its own architecture.
 525   pyramid-pyramid-bsd* )
 526     machine=pyramid opsys=bsd4-2
 527   ;;
 528
 529   ## Sequent Balance
 530   ns32k-sequent-bsd4.2* )
 531     machine=sequent opsys=bsd4-2
 532   ;;
 533   ns32k-sequent-bsd4.3* )
 534     machine=sequent opsys=bsd4-3
 535   ;;
 536
 537   ## Siemens Nixdorf
 538   mips-siemens-sysv* )
 539     machine=mips-siemens opsys=usg5-4
 540     NON_GNU_CC=/usr/ccs/bin/cc
 541     NON_GNU_CPP=/usr/ccs/lib/cpp
 542   ;;
 543
 544   ## Silicon Graphics machines
 545   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 546   m68*-sgi-iris3.5* )
 547     machine=irist opsys=iris3-5
 548   ;;
 549   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 550     machine=irist opsys=iris3-6
 551   ;;
 552   ## Iris 4D
 553   mips-sgi-irix3* )
 554     machine=iris4d opsys=irix3-3
 555   ;;
 556   mips-sgi-irix5* )
 557     machine=iris4d opsys=irix5-0
 558   ;;
 559   mips-sgi-irix4* | mips-sgi-irix* )
 560     machine=iris4d opsys=irix4-0
 561   ;;
 562
 563   ## SONY machines
 564   m68*-sony-bsd4.2* )
 565     machine=news opsys=bsd4-2
 566   ;;
 567   m68*-sony-bsd4.3* )
 568     machine=news opsys=bsd4-3
 569   ;;
 570   m68*-sony-newsos3*)
 571     machine=news opsys=bsd4-3
 572   ;;
 573   mips-sony-bsd* | mips-sony-newsos4* )
 574     machine=news-risc opsys=bsd4-3
 575   ;;
 576   mips-sony-newsos* )
 577     machine=news-risc opsys=newsos5
 578   ;;
 579
 580   ## Stride
 581   m68*-stride-sysv* )
 582     machine=stride opsys=usg5-2
 583   ;;
 584
 585   ## Suns
 586   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* | i[345]86-*-solaris2* | i[345]86-*-sunos5* )
 587     case "${canonical}" in
 588       m68*-sunos1* )    machine=sun1 ;;
 589       m68*-sunos2* )    machine=sun2 ;;
 590       m68* )            machine=sun3 ;;
 591       i[345]86-sun-sunos[34]* ) machine=sun386 ;;
 592       i[345]86-*-* )     machine=intel386 ;;
 593       sparc* )          machine=sparc ;;
 594       * )               unported=yes ;;
 595     esac
 596     case "${canonical}" in
 597       ## The Sun386 didn't get past 4.0.
 598       i[345]86-*-sunos4   ) opsys=sunos4-0 ;;
 599       *-sunos4.0*         ) opsys=sunos4-0 ;;
 600       *-sunos4.1.3*       ) opsys=sunos4-1-3
 601                 NON_GCC_TEST_OPTIONS=-Bstatic
 602                 GCC_TEST_OPTIONS=-static
 603                 ;;
 604       *-sunos4shr*        ) opsys=sunos4shr ;;
 605       *-sunos4* | *-sunos ) opsys=sunos4-1
 606                 NON_GCC_TEST_OPTIONS=-Bstatic
 607                 GCC_TEST_OPTIONS=-static
 608                 ;;
 609       *-sunos5.3* | *-solaris2.3* )
 610                 opsys=sol2-3
 611                 NON_GNU_CPP=/usr/ccs/lib/cpp
 612                 ;;
 613       *-sunos5.4* | *-solaris2.4* )
 614                 opsys=sol2-4
 615                 NON_GNU_CPP=/usr/ccs/lib/cpp
 616                 ;;
 617       *-sunos5* | *-solaris* )
 618                 opsys=sol2
 619                 NON_GNU_CPP=/usr/ccs/lib/cpp
 620                 ;;
 621       *                   ) opsys=bsd4-2   ;;
 622     esac
 623   ;;
 624
 625   ## Tadpole 68k
 626   m68*-tadpole-sysv* )
 627     machine=tad68k opsys=usg5-3
 628   ;;
 629
 630   ## Tahoe machines
 631   tahoe-tahoe-bsd4.2* )
 632     machine=tahoe opsys=bsd4-2
 633   ;;
 634   tahoe-tahoe-bsd4.3* )
 635     machine=tahoe opsys=bsd4-3
 636   ;;
 637
 638   ## Tandem Integrity S2
 639   mips-tandem-sysv* )
 640     machine=tandem-s2 opsys=usg5-3
 641   ;;
 642
 643   ## Tektronix XD88
 644   m88k-tektronix-sysv3* )
 645   machine=tekxd88 opsys=usg5-3
 646   ;;
 647
 648   ## Tektronix 16000 box (6130?)
 649   ns16k-tektronix-bsd* )
 650     machine=ns16000 opsys=bsd4-2
 651   ;;
 652   ## Tektronix 4300
 653   ## src/m/tek4300.h hints that this is a m68k machine.
 654   m68*-tektronix-bsd* )
 655     machine=tek4300 opsys=bsd4-3
 656   ;;
 657
 658   ## Titan P2 or P3
 659   ## We seem to have lost the machine-description file titan.h!
 660   titan-titan-sysv* )
 661     machine=titan opsys=usg5-3
 662   ;;
 663
 664   ## Ustation E30 (SS5E)
 665   m68*-unisys-uniplus* )
 666     machine=ustation opsystem=unipl5-2
 667   ;;
 668
 669   ## Vaxen.
 670   vax-dec-* )
 671     machine=vax
 672     case "${canonical}" in
 673       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 674       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 675       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 676       *-bsd386* | *-bsdi* )                             opsys=bsd386 ;;
 677       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 678       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 679       *-vms* )                                          opsys=vms ;;
 680       * )                                               unported=yes
 681     esac
 682   ;;
 683
 684   ## Whitechapel MG1
 685   ns16k-whitechapel-* )
 686     machine=mg1
 687     ## We don't know what sort of OS runs on these; we'll let the
 688     ## operating system guessing code below try.
 689   ;;
 690
 691   ## Wicat
 692   m68*-wicat-sysv* )
 693     machine=wicat opsys=usg5-2
 694   ;;
 695
 696   ## Intel 386 machines where we don't care about the manufacturer
 697   i[345]86-*-* )
 698     machine=intel386
 699     case "${canonical}" in
 700       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 701       *-isc2.2* )               opsys=isc2-2 ;;
 702       *-isc4.0* )               opsys=isc4-0 ;;
 703       *-isc* )                  opsys=isc3-0 ;;
 704       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 705       *-esix* )                 opsys=esix ;;
 706       *-xenix* )                opsys=xenix ;;
 707       *-linux* )                opsys=linux ;;
 708       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 709       *-bsd386* | *-bsdi* )     opsys=bsd386 ;;
 710       *-386bsd* )               opsys=386bsd ;;
 711       *-freebsd* )              opsys=freebsd ;;
 712       *-nextstep* )             opsys=mach2 ;;
 713       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 714     esac
 715   ;;
 716
 717   * )
 718     unported=yes
 719   ;;
 720 esac
 721
 722 ### If the code above didn't choose an operating system, just choose
 723 ### an operating system based on the configuration name.  You really
 724 ### only want to use this when you have no idea what the right
 725 ### operating system is; if you know what operating systems a machine
 726 ### runs, it's cleaner to make it explicit in the case statement
 727 ### above.
 728 if test x"${opsys}" = x; then
 729   case "${canonical}" in
 730     *-gnu* )                            opsys=gnu ;;
 731     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 732     *-bsd4.2 )                          opsys=bsd4-2 ;;
 733     *-bsd4.3 )                          opsys=bsd4-3 ;;
 734     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 735     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 736     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 737     *-sysv3 | *-sysvr3 )                opsys=usg5-3 ;;
 738     *-sysv4 | *-sysvr4 )                opsys=usg5-4 ;;
 739     *-sysv4.1 | *-sysvr4.1 )
 740         NON_GNU_CPP=/usr/lib/cpp
 741         opsys=usg5-4 ;;
 742     *-sysv4.2 | *-sysvr4.2 )            opsys=usg5-4-2 ;;
 743     * )
 744       unported=yes
 745     ;;
 746   esac
 747 fi
 748
 749 changequote([, ])dnl
 750
 751 if test $unported = yes; then
 752   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
 753 Check \`etc/MACHINES' for recognized configuration names.])
 754 fi
 755
 756 machfile="m/${machine}.h"
 757 opsysfile="s/${opsys}.h"
 758
 759
 760 #### Choose a compiler.
 761 test -n "$CC" && cc_specified=yes
 762
 763 case ${with_gcc} in
 764   "yes" ) CC="gcc" GCC=yes ;;
 765   "no"  ) : ${CC=cc} ;;
 766   * ) AC_PROG_CC
 767 esac
 768
 769 # On Suns, sometimes $CPP names a directory.
 770 if test -n "$CPP" && test -d "$CPP"; then
 771   CPP=
 772 fi
 773
 774 #### Some systems specify a CPP to use unless we are using GCC.
 775 #### Now that we know whether we are using GCC, we can decide whether
 776 #### to use that one.
 777 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 778 then
 779   CPP="$NON_GNU_CPP"
 780 fi
 781
 782 #### Some systems specify a CC to use unless we are using GCC.
 783 #### Now that we know whether we are using GCC, we can decide whether
 784 #### to use that one.
 785 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 786   test x$cc_specified != xyes
 787 then
 788   CC="$NON_GNU_CC"
 789 fi
 790
 791 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
 792 then
 793   CC="$CC $GCC_TEST_OPTIONS"
 794 fi
 795
 796 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
 797 then
 798   CC="$CC $NON_GCC_TEST_OPTIONS"
 799 fi
 800
 801 #### Some other nice autoconf tests.  If you add a test here which
 802 #### should make an entry in src/config.h, don't forget to add an
 803 #### #undef clause to src/config.h.in for autoconf to modify.
 804
 805 dnl checks for programs
 806 AC_PROG_LN_S
 807 AC_PROG_CPP
 808 AC_PROG_INSTALL
 809 AC_PROG_YACC
 810
 811 dnl checks for header files
 812 AC_CHECK_HEADERS(sys/timeb.h sys/time.h unistd.h)
 813 AC_HEADER_STDC
 814 AC_HEADER_TIME
 815 AC_DECL_SYS_SIGLIST
 816
 817 dnl checks for typedefs
 818 AC_TYPE_SIGNAL
 819
 820 dnl checks for structure members
 821 AC_STRUCT_TM
 822 AC_STRUCT_TIMEZONE
 823
 824 dnl checks for compiler characteristics
 825 AC_C_CONST
 826
 827 dnl check for Make feature
 828 AC_PROG_MAKE_SET
 829
 830 dnl checks for operating system services
 831 AC_SYS_LONG_FILE_NAMES
 832
 833 #### Choose a window system.
 834
 835 AC_PATH_X
 836 if test "$no_x" = yes; then
 837   window_system=none
 838 else
 839   window_system=x11
 840 fi
 841
 842 test "${x_libraries}" != NONE && LD_SWITCH_X_SITE="-L${x_libraries}"
 843 test "${x_libraries}" != NONE && LD_SWITCH_X_SITE_AUX="-R${x_libraries}"
 844 test "${x_includes}" != NONE && C_SWITCH_X_SITE="-I${x_includes}"
 845
 846 case "${window_system}" in
 847   x11 )
 848     HAVE_X_WINDOWS=yes
 849     HAVE_X11=yes
 850     case "${with_x_toolkit}" in
 851       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
 852 dnl      motif ) USE_X_TOOLKIT=MOTIF ;;
 853 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
 854       * ) USE_X_TOOLKIT=none ;;
 855     esac
 856   ;;
 857   none )
 858     HAVE_X_WINDOWS=no
 859     HAVE_X11=no
 860     USE_X_TOOLKIT=none
 861   ;;
 862 esac
 863 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
 864
 865 ### If we're using X11, we should use the X menu package.
 866 HAVE_X_MENU=no
 867 case ${HAVE_X11} in
 868   yes ) HAVE_X_MENU=yes ;;
 869 esac
 870
 871 #### Extract some information from the operating system and machine files.
 872
 873 AC_CHECKING([the machine- and system-dependent files to find out
 874  - which libraries the lib-src programs will want, and
 875  - whether the GNU malloc routines are usable])
 876
 877 ### First figure out CFLAGS (which we use for running the compiler here)
 878 ### and REAL_CFLAGS (which we use for real compilation).
 879 ### The two are the same except on a few systems, where they are made
 880 ### different to work around various lossages.  For example,
 881 ### GCC 2.5 on Linux needs them to be different because it treats -g
 882 ### as implying static linking.
 883
 884 ### If the CFLAGS env var is specified, we use that value
 885 ### instead of the default.
 886
 887 ### It's not important that this name contain the PID; you can't run
 888 ### two configures in the same directory and have anything work
 889 ### anyway.
 890 tempcname="conftest.c"
 891
 892 echo '
 893 #include "'${srcdir}'/src/'${opsysfile}'"
 894 #include "'${srcdir}'/src/'${machfile}'"
 895 #ifndef LIBS_MACHINE
 896 #define LIBS_MACHINE
 897 #endif
 898 #ifndef LIBS_SYSTEM
 899 #define LIBS_SYSTEM
 900 #endif
 901 #ifndef C_SWITCH_SYSTEM
 902 #define C_SWITCH_SYSTEM
 903 #endif
 904 #ifndef C_SWITCH_MACHINE
 905 #define C_SWITCH_MACHINE
 906 #endif
 907 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
 908 configure___ c_switch_system=C_SWITCH_SYSTEM
 909 configure___ c_switch_machine=C_SWITCH_MACHINE
 910
 911 #ifndef LIB_X11_LIB
 912 #define LIB_X11_LIB -lX11
 913 #endif
 914
 915 #ifndef LIBX11_MACHINE
 916 #define LIBX11_MACHINE
 917 #endif
 918
 919 #ifndef LIBX11_SYSTEM
 920 #define LIBX11_SYSTEM
 921 #endif
 922 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
 923
 924 #ifdef UNEXEC
 925 configure___ unexec=UNEXEC
 926 #else
 927 configure___ unexec=unexec.o
 928 #endif
 929
 930 #ifdef SYSTEM_MALLOC
 931 configure___ system_malloc=yes
 932 #else
 933 configure___ system_malloc=no
 934 #endif
 935
 936 #ifndef C_DEBUG_SWITCH
 937 #define C_DEBUG_SWITCH -g
 938 #endif
 939
 940 #ifndef C_OPTIMIZE_SWITCH
 941 #define C_OPTIMIZE_SWITCH -O
 942 #endif
 943
 944 #ifdef THIS_IS_CONFIGURE
 945
 946 /* Get the CFLAGS for tests in configure.  */
 947 #ifdef __GNUC__
 948 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${CFLAGS}'
 949 #else
 950 configure___ CFLAGS=C_DEBUG_SWITCH '${CFLAGS}'
 951 #endif
 952
 953 #else /* not THIS_IS_CONFIGURE */
 954
 955 /* Get the CFLAGS for real compilation.  */
 956 #ifdef __GNUC__
 957 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${CFLAGS}'
 958 #else
 959 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${CFLAGS}'
 960 #endif
 961
 962 #endif /* not THIS_IS_CONFIGURE */
 963 ' > ${tempcname}
 964
 965 # The value of CPP is a quoted variable reference, so we need to do this
 966 # to get its actual value...
 967 CPP=`eval "echo $CPP"`
 968 changequote(, )dnl
 969 eval `${CPP} -Isrc ${tempcname} \
 970        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
 971 if test "x$CFLAGS" = x; then
 972   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
 973          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
 974 else
 975   REAL_CFLAGS="$CFLAGS"
 976 fi
 977 changequote([, ])dnl
 978 rm ${tempcname}
 979
 980 ### Compute the unexec source name from the object name.
 981 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
 982
 983 # Do the opsystem or machine files prohibit the use of the GNU malloc?
 984 # Assume not, until told otherwise.
 985 GNU_MALLOC=yes
 986 if test "${system_malloc}" = "yes"; then
 987   GNU_MALLOC=no
 988   GNU_MALLOC_reason="
 989   (The GNU allocators don't work with this system configuration.)"
 990 fi
 991
 992 if test x"${REL_ALLOC}" = x; then
 993   REL_ALLOC=${GNU_MALLOC}
 994 fi
 995
 996 LISP_FLOAT_TYPE=yes
 997
 998
 999 #### Add the libraries to LIBS and check for some functions.
1000
1001 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1002 LIBS="$libsrc_libs"
1003
1004 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1005 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1006 AC_CHECK_LIB(dnet, dnet_ntoa)
1007 dnl This causes -lresolv to get used in subsequent tests,
1008 dnl which causes failures on some systems such as HPUX 9.
1009 dnl AC_CHECK_LIB(resolv, gethostbyname)
1010
1011 dnl FIXME replace main with a function we actually want from this library.
1012 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1013
1014 AC_MSG_CHECKING(for XFree86)
1015 if test -d /usr/X386/include; then
1016   HAVE_XFREE386=yes
1017   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1018 else
1019   HAVE_XFREE386=no
1020 fi
1021 AC_MSG_RESULT($HAVE_XFREE386)
1022
1023 # We change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1024 # for the tests that follow.
1025
1026 if test "${HAVE_X11}" = "yes"; then
1027   DEFS="$C_SWITCH_X_SITE $DEFS"
1028   LIBS="$LD_SWITCH_X_SITE $LIBX $LIBS"
1029   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1030   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1031 XScreenNumberOfScreen XSetWMProtocols)
1032 fi
1033
1034 if test "${USE_X_TOOLKIT}" != "none"; then
1035   AC_MSG_CHECKING(X11 toolkit version)
1036   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1037 [#if XtSpecificationRelease < 6
1038 fail;
1039 #endif
1040 ], [AC_MSG_RESULT(6)
1041     AC_DEFINE(HAVE_X11XTR6)],
1042    [AC_MSG_RESULT(not 6)])
1043 fi
1044
1045 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1046 AC_MSG_CHECKING(whether netdb declarares h_errno)
1047 AC_TRY_LINK([#include <netdb.h>],
1048 [int
1049 foo ()
1050 {
1051   return h_errno;
1052 }
1053 ], [AC_MSG_RESULT(yes)
1054     AC_DEFINE(HAVE_H_ERRNO)],
1055    [AC_MSG_RESULT(no)])
1056
1057 AC_FUNC_ALLOCA
1058
1059 # logb and frexp are found in -lm on most systems.
1060 AC_CHECK_LIB(m, logb)
1061 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1062 random lrand48 bcopy bcmp logb frexp fmod drem ftime res_init setsid strerror \
1063 fpathconf)
1064
1065 ok_so_far=yes
1066 AC_CHECK_FUNC(socket, , ok_so_far=no)
1067 if test $ok_so_far = yes; then
1068   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1069 fi
1070 if test $ok_so_far = yes; then
1071   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1072 fi
1073 if test $ok_so_far = yes; then
1074   AC_DEFINE(HAVE_INET_SOCKETS)
1075 fi
1076
1077 if test -f /usr/lpp/X11/bin/smt.exp; then
1078   AC_DEFINE(HAVE_AIX_SMT_EXP)
1079 fi
1080
1081 # Set up the CFLAGS for real compilation, so we can substitute it.
1082 CFLAGS="$REAL_CFLAGS"
1083
1084 changequote(, )dnl
1085 #### Find out which version of Emacs this is.
1086 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1087          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1088 changequote([, ])dnl
1089 if test x"${version}" = x; then
1090   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1091 fi
1092
1093 ### Specify what sort of things we'll be editing into Makefile and config.h.
1094 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1095 AC_SUBST(version)
1096 AC_SUBST(configuration)
1097 AC_SUBST(srcdir)
1098 AC_SUBST(prefix)
1099 AC_SUBST(exec_prefix)
1100 AC_SUBST(bindir)
1101 AC_SUBST(datadir)
1102 AC_SUBST(statedir)
1103 AC_SUBST(libdir)
1104 AC_SUBST(mandir)
1105 AC_SUBST(infodir)
1106 AC_SUBST(lispdir)
1107 AC_SUBST(locallisppath)
1108 AC_SUBST(lisppath)
1109 AC_SUBST(etcdir)
1110 AC_SUBST(lockdir)
1111 AC_SUBST(archlibdir)
1112 AC_SUBST(docdir)
1113 AC_SUBST(c_switch_system)
1114 AC_SUBST(c_switch_machine)
1115 AC_SUBST(LD_SWITCH_X_SITE)
1116 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1117 AC_SUBST(C_SWITCH_X_SITE)
1118 AC_SUBST(CFLAGS)
1119 AC_SUBST(X_TOOLKIT_TYPE)
1120 AC_SUBST(machfile)
1121 AC_SUBST(opsysfile)
1122
1123 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${configuration}")
1124 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1125 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1126 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1127 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1128 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1129 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1130
1131 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1132   AC_DEFINE(HAVE_X_WINDOWS)
1133 fi
1134 if test "${USE_X_TOOLKIT}" != "none" ; then
1135   AC_DEFINE(USE_X_TOOLKIT)
1136 fi
1137 if test "${HAVE_X11}" = "yes" ; then
1138   AC_DEFINE(HAVE_X11)
1139 fi
1140 if test "${HAVE_XFREE386}" = "yes" ; then
1141   AC_DEFINE(HAVE_XFREE386)
1142 fi
1143 if test "${HAVE_X_MENU}" = "yes" ; then
1144   AC_DEFINE(HAVE_X_MENU)
1145 fi
1146 if test "${GNU_MALLOC}" = "yes" ; then
1147   AC_DEFINE(GNU_MALLOC)
1148 fi
1149 if test "${REL_ALLOC}" = "yes" ; then
1150   AC_DEFINE(REL_ALLOC)
1151 fi
1152 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1153   AC_DEFINE(LISP_FLOAT_TYPE)
1154 fi
1155
1156 dnl # ====================== Developer's configuration =======================
1157 dnl
1158 dnl # The following assignments make sense if you're running Emacs on a single
1159 dnl # machine, one version at a time, and  you want changes to the lisp and etc
1160 dnl # directories in the source tree to show up immediately in your working
1161 dnl # environment.  It saves a great deal of disk space by not duplicating the
1162 dnl # lisp and etc directories.
1163 dnl
1164 dnl if test "$enable_single_tree" = "yes"; then
1165 dnl    bindir='${exec_prefix}/bin/${configuration}'
1166 dnl    datadir='${prefix}/common'
1167 dnl    statedir='${prefix}/common'
1168 dnl    libdir='${bindir}'
1169 dnl    lispdir='${prefix}/common/lisp'
1170 dnl    locallisppath='${prefix}/common/site-lisp'
1171 dnl    lockdir='${prefix}/common/lock'
1172 dnl    archlibdir='${libdir}/etc'
1173 dnl    etcdir='${prefix}/common/data'
1174 dnl    docdir='${prefix}/common/data'
1175 dnl fi
1176
1177 #### Report on what we decided to do.
1178 echo "
1179
1180 Configured for \`${canonical}'.
1181
1182   Where should the build process find the source code?    ${srcdir}
1183   What operating system and machine description files should Emacs use?
1184         \`${opsysfile}' and \`${machfile}'
1185   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1186   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1187   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1188   What window system should Emacs use?                    ${window_system}
1189   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}${x_includes+
1190   Where do we find X Windows header files?                }${x_includes}${x_libraries+
1191   Where do we find X Windows libraries?                   }${x_libraries}
1192
1193 "
1194
1195 # Remove any trailing slashes in these variables.
1196 changequote(, )dnl
1197 test "${prefix}" != NONE &&
1198   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1199 test "${exec_prefix}" != NONE &&
1200   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1201 changequote([, ])dnl
1202
1203 AC_OUTPUT(Makefile lib-src/Makefile.in oldXMenu/Makefile \
1204         lwlib/Makefile src/Makefile.in, [
1205
1206 ### Make the necessary directories, if they don't exist.
1207 for dir in ./src ./lib-src ./cpp ./oldXMenu ./lwlib ./etc ; do
1208   if test ! -d ${dir}; then
1209     mkdir ${dir}
1210   fi
1211 done
1212
1213 # Build src/Makefile from ${srcdir}/src/Makefile.in.  This must be done
1214 # after src/config.h is built, since we rely on that file.
1215
1216 changequote(,)dnl The horror, the horror.
1217 # Now get this: Some word that is part of the ${srcdir} directory name
1218 # or the ${configuration} value might, just might, happen to be an
1219 # identifier like `sun4' or `i386' or something, and be predefined by
1220 # the C preprocessor to some helpful value like 1, or maybe the empty
1221 # string.  Needless to say consequent macro substitutions are less
1222 # than conducive to the makefile finding the correct directory.
1223 undefs="`echo $top_srcdir $configuration $canonical |
1224 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1225     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1226 `"
1227 changequote([,])dnl
1228
1229 echo creating lib-src/Makefile
1230 ( cd lib-src
1231   rm -f junk.c junk1.c junk2.c
1232   sed -e '/start of cpp stuff/q' \
1233       < Makefile.in > junk1.c
1234   sed -e '1,/start of cpp stuff/d'\
1235       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1236       < Makefile.in > junk.c
1237   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1238       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1239   cat junk1.c junk2.c > Makefile.new
1240   rm -f junk.c junk1.c junk2.c
1241   chmod 444 Makefile.new
1242   mv -f Makefile.new Makefile
1243 )
1244
1245 echo creating src/Makefile
1246 ( cd src
1247   rm -f junk.c junk1.c junk2.c
1248   sed -e '/start of cpp stuff/q' \
1249       < Makefile.in > junk1.c
1250   sed -e '1,/start of cpp stuff/d'\
1251       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1252       < Makefile.in > junk.c
1253   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1254       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1255   cat junk1.c junk2.c > Makefile.new
1256   rm -f junk.c junk1.c junk2.c
1257   chmod 444 Makefile.new
1258   mv -f Makefile.new Makefile
1259 )
1260 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])