configure.in

   1 dnl  Autoconf script for GNU Emacs
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 dnl
   6 dnl  Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
   7 dnl
   8 dnl  This file is part of GNU Emacs.
   9 dnl
  10 dnl  GNU Emacs is free software; you can redistribute it and/or modify
  11 dnl  it under the terms of the GNU General Public License as published by
  12 dnl  the Free Software Foundation; either version 2, or (at your option)
  13 dnl  any later version.
  14 dnl
  15 dnl  GNU Emacs is distributed in the hope that it will be useful,
  16 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 dnl  GNU General Public License for more details.
  19 dnl
  20 dnl  You should have received a copy of the GNU General Public License
  21 dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
  22 dnl  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 dnl  Boston, MA 02111-1307, USA.
  24
  25 AC_PREREQ(2.8)dnl
  26 AC_INIT(src/lisp.h)
  27 AC_CONFIG_HEADER(src/config.h:src/config.in)
  28
  29 lispdir='${datadir}/emacs/${version}/lisp'
  30 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  31 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
  32 lisppath='${locallisppath}:${lispdir}'
  33 etcdir='${datadir}/emacs/${version}/etc'
  34 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  35 docdir='${datadir}/emacs/${version}/etc'
  36
  37 AC_ARG_WITH(gcc,
  38 [  --with-gcc              use GCC to compile Emacs])
  39 AC_ARG_WITH(pop,
  40 [  --with-pop              support POP for mail retrieval],
  41 [AC_DEFINE(MAIL_USE_POP)])
  42 AC_ARG_WITH(kerberos,
  43 [  --with-kerberos         support Kerberos-authenticated POP],
  44 [AC_DEFINE(KERBEROS)])
  45 AC_ARG_WITH(hesiod,
  46 [  --with-hesiod           support Hesiod to get the POP server host],
  47 [AC_DEFINE(HESIOD)])
  48 dnl This should be the last --with option, because --with-x is
  49 dnl added later on when we find the path of X, and it's best to
  50 dnl keep them together visually.
  51 AC_ARG_WITH(x-toolkit,
  52 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  53 [         case "${withval}" in
  54             y | ye | yes )      val=athena ;;
  55             n | no )            val=no  ;;
  56             l | lu | luc | luci | lucid )       val=lucid ;;
  57             a | at | ath | athe | athen | athena )      val=athena ;;
  58             m | mo | mot | moti | motif )       val=motif ;;
  59 dnl These don't currently work.
  60 dnl         o | op | ope | open | open- | open-l | open-lo \
  61 dnl             | open-loo | open-look )        val=open-look ;;
  62             * )
  63 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  64 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  65 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  66 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  67 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  68             ;;
  69           esac
  70           with_x_toolkit=$val
  71 ])
  72
  73 #### Make srcdir absolute, if it isn't already.  It's important to
  74 #### avoid running the path through pwd unnecessary, since pwd can
  75 #### give you automounter prefixes, which can go away.  We do all this
  76 #### so Emacs can find its files when run uninstalled.
  77 case "${srcdir}" in
  78   /* ) ;;
  79   . )
  80     ## We may be able to use the $PWD environment variable to make this
  81     ## absolute.  But sometimes PWD is inaccurate.
  82     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  83     CDPATH=
  84     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  85     then
  86       srcdir="$PWD"
  87     else
  88       srcdir="`(cd ${srcdir}; pwd)`"
  89     fi
  90   ;;
  91   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
  92 esac
  93
  94 #### Check if the source directory already has a configured system in it.
  95 if test `pwd` != `(cd ${srcdir} && pwd)` \
  96    && test -f "${srcdir}/src/config.h" ; then
  97   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
  98    as a build directory right now; it has been configured in its own
  99    right.  To configure in another directory as well, you MUST
 100    use GNU make.  If you do not have GNU make, then you must
 101    now do \`make distclean' in ${srcdir},
 102    and then run $0 again.])
 103
 104 changequote(, )dnl
 105   extrasub='/^VPATH[     ]*=/c\
 106 changequote([, ])dnl
 107 vpath %.c $(srcdir)\
 108 vpath %.h $(srcdir)\
 109 vpath %.y $(srcdir)\
 110 vpath %.l $(srcdir)\
 111 vpath %.s $(srcdir)\
 112 vpath %.in $(srcdir)\
 113 vpath %.texi $(srcdir)'
 114 fi
 115
 116 #### Given the configuration name, set machfile and opsysfile to the
 117 #### names of the m/*.h and s/*.h files we should use.
 118
 119 ### Canonicalize the configuration name.
 120
 121 AC_CANONICAL_HOST
 122 canonical=$host
 123 configuration=$host_alias
 124
 125 changequote(, )dnl
 126
 127 ### If you add support for a new configuration, add code to this
 128 ### switch statement to recognize your configuration name and select
 129 ### the appropriate operating system and machine description files.
 130
 131 ### You would hope that you could choose an m/*.h file pretty much
 132 ### based on the machine portion of the configuration name, and an s-
 133 ### file based on the operating system portion.  However, it turns out
 134 ### that each m/*.h file is pretty manufacturer-specific - for
 135 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 136 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 137 ### machines.  So we basically have to have a special case for each
 138 ### configuration name.
 139 ###
 140 ### As far as handling version numbers on operating systems is
 141 ### concerned, make sure things will fail in a fixable way.  If
 142 ### /etc/MACHINES doesn't say anything about version numbers, be
 143 ### prepared to handle anything reasonably.  If version numbers
 144 ### matter, be sure /etc/MACHINES says something about it.
 145 ###
 146 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 147 ### "System V Release 4"; he writes, "The old convention encouraged
 148 ### confusion between `system' and `release' levels'."
 149
 150 machine='' opsys='' unported=no
 151 case "${canonical}" in
 152
 153   ## NetBSD ports
 154   *-*-netbsd* )
 155     opsys=netbsd
 156     case "${canonical}" in
 157       alpha-*-netbsd*)  machine=alpha ;;
 158       i[3456]86-*-netbsd*) machine=intel386 ;;
 159       m68k-*-netbsd*)
 160                         # This is somewhat bogus.
 161                         machine=hp9000s300 ;;
 162       mips-*-netbsd*)   machine=pmax ;;
 163       ns32k-*-netbsd*)  machine=ns32000 ;;
 164       sparc-*-netbsd*)  machine=sparc ;;
 165       vax-*-netbsd*)    machine=vax ;;
 166     esac
 167   ;;
 168
 169   ## Acorn RISCiX:
 170   arm-acorn-riscix1.1* )
 171     machine=acorn opsys=riscix1-1
 172   ;;
 173   arm-acorn-riscix1.2* | arm-acorn-riscix )
 174     ## This name is riscix12 instead of riscix1.2
 175     ## to avoid a file name conflict on MSDOS.
 176     machine=acorn opsys=riscix12
 177   ;;
 178
 179   ## BSDI ports
 180   *-*-bsdi* )
 181     opsys=bsdi
 182     case "${canonical}" in
 183       i[345]86-*-bsdi*) machine=intel386 ;;
 184       sparc-*-bsdi*)  machine=sparc ;;
 185       powerpc-*-bsdi*)  machine=powerpc ;;
 186     esac
 187     case "${canonical}" in
 188       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 189       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 190       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 191       *-*-bsdi3* )              opsys=bsdos3 ;;
 192     esac
 193   ;;
 194
 195   ## Alliant machines
 196   ## Strictly speaking, we need the version of the alliant operating
 197   ## system to choose the right machine file, but currently the
 198   ## configuration name doesn't tell us enough to choose the right
 199   ## one; we need to give alliants their own operating system name to
 200   ## do this right.  When someone cares, they can help us.
 201   fx80-alliant-* )
 202     machine=alliant4 opsys=bsd4-2
 203   ;;
 204   i860-alliant-* )
 205     machine=alliant-2800 opsys=bsd4-3
 206   ;;
 207
 208   ## Alpha (DEC) machines.
 209   alpha-dec-osf* )
 210     machine=alpha opsys=osf1
 211     # This is needed to find X11R6.1 libraries for certain tests.
 212     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 213     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 214   ;;
 215
 216   alpha-*-linux-gnu* )
 217     machine=alpha opsys=gnu-linux
 218   ;;
 219
 220   ## Altos 3068
 221   m68*-altos-sysv* )
 222     machine=altos opsys=usg5-2
 223   ;;
 224
 225   ## Amdahl UTS
 226   580-amdahl-sysv* )
 227     machine=amdahl opsys=usg5-2-2
 228   ;;
 229
 230   ## Apollo, Domain/OS
 231   m68*-apollo-* )
 232     machine=apollo opsys=bsd4-3
 233   ;;
 234
 235   ## AT&T 3b2, 3b5, 3b15, 3b20
 236   we32k-att-sysv* )
 237     machine=att3b opsys=usg5-2-2
 238   ;;
 239
 240   ## AT&T 3b1 - The Mighty Unix PC!
 241   m68*-att-sysv* )
 242     machine=7300 opsys=usg5-2-2
 243   ;;
 244
 245   ## Bull dpx20
 246   rs6000-bull-bosx* )
 247     machine=ibmrs6000 opsys=aix3-2
 248   ;;
 249
 250   ## Bull dpx2
 251   m68*-bull-sysv3* )
 252     machine=dpx2 opsys=usg5-3
 253   ;;
 254
 255   ## Bull sps7
 256   m68*-bull-sysv2* )
 257     machine=sps7 opsys=usg5-2
 258   ;;
 259
 260   ## CCI 5/32, 6/32 -- see "Tahoe".
 261
 262   ## Celerity
 263   ## I don't know what configuration name to use for this; config.sub
 264   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 265   ## in touch with us!
 266   celerity-celerity-bsd* )
 267     machine=celerity opsys=bsd4-2
 268   ;;
 269
 270   ## Clipper
 271   ## What operating systems does this chip run that Emacs has been
 272   ## tested on?
 273   clipper-* )
 274     machine=clipper
 275     ## We'll use the catch-all code at the bottom to guess the
 276     ## operating system.
 277   ;;
 278
 279   ## Convex
 280   *-convex-bsd* | *-convex-convexos* )
 281     machine=convex opsys=bsd4-3
 282     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 283     NON_GNU_CPP="cc -E -P"
 284   ;;
 285
 286   ## Cubix QBx/386
 287   i[3456]86-cubix-sysv* )
 288     machine=intel386 opsys=usg5-3
 289   ;;
 290
 291   ## Cydra 5
 292   cydra*-cydrome-sysv* )
 293     machine=cydra5 opsys=usg5-3
 294   ;;
 295
 296   ## Data General AViiON Machines
 297   ## DG changed naming conventions with the release of 5.4.4.10, they
 298   ## dropped the initial 5.4 but left the intervening R.  Because of the
 299   ## R this shouldn't conflict with older versions of the OS (which I
 300   ## think were named like dgux4.*).
 301   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 302     machine=aviion opsys=dgux4
 303   ;;
 304   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 305     ## This name is dgux5-4-3 instead of dgux5-4r3
 306     ## to avoid a file name conflict on MSDOS.
 307     machine=aviion opsys=dgux5-4-3
 308   ;;
 309   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 310     machine=aviion opsys=dgux5-4r2
 311   ;;
 312   m88k-dg-dgux* )
 313     machine=aviion opsys=dgux
 314   ;;
 315
 316   ## DECstations
 317   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 318     machine=pmax opsys=bsd4-2
 319   ;;
 320   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 321     machine=pmax opsys=bsd4-3
 322   ;;
 323   mips-dec-ultrix* )
 324     machine=pmax opsys=ultrix4-3
 325   ;;
 326   mips-dec-osf* )
 327     machine=pmax opsys=osf1
 328   ;;
 329   mips-dec-mach_bsd4.3* )
 330     machine=pmax opsys=mach-bsd4-3
 331   ;;
 332
 333   ## Motorola Delta machines
 334   m68k-motorola-sysv* | m68000-motorola-sysv* )
 335     machine=delta opsys=usg5-3
 336     if test -z "`type gnucc | grep 'not found'`"
 337     then
 338       if test -s /etc/167config
 339       then CC="gnucc -m68040"
 340       else CC="gnucc -m68881"
 341       fi
 342     else
 343       if test -z "`type gcc | grep 'not found'`"
 344       then CC=gcc
 345       else CC=cc
 346       fi
 347     fi
 348   ;;
 349   m88k-motorola-sysv4* )
 350     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 351     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 352     # I hope there are not other 4.0 versions for this machine
 353     # which really need usg5-4 instead.
 354     machine=delta88k opsys=usg5-4-2
 355   ;;
 356   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 357     machine=delta88k opsys=usg5-3
 358   ;;
 359
 360   ## Dual machines
 361   m68*-dual-sysv* )
 362     machine=dual opsys=usg5-2
 363   ;;
 364   m68*-dual-uniplus* )
 365     machine=dual opsys=unipl5-2
 366   ;;
 367
 368   ## Elxsi 6400
 369   elxsi-elxsi-sysv* )
 370     machine=elxsi opsys=usg5-2
 371   ;;
 372
 373   ## Encore machines
 374   ns16k-encore-bsd* )
 375     machine=ns16000 opsys=umax
 376   ;;
 377
 378   ## The GEC 93 - apparently, this port isn't really finished yet.
 379
 380   ## Gould Power Node and NP1
 381   pn-gould-bsd4.2* )
 382     machine=gould opsys=bsd4-2
 383   ;;
 384   pn-gould-bsd4.3* )
 385     machine=gould opsys=bsd4-3
 386   ;;
 387   np1-gould-bsd* )
 388     machine=gould-np1 opsys=bsd4-3
 389   ;;
 390
 391   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 392   ## as far as Emacs is concerned).
 393   m88k-harris-cxux* )
 394     # Build needs to be different on 7.0 and later releases
 395     case "`uname -r`" in
 396        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 397        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 398     esac
 399     NON_GNU_CPP="/lib/cpp"
 400   ;;
 401   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 402   m68k-harris-cxux* )
 403     machine=nh3000 opsys=cxux
 404   ;;
 405   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 406   powerpc-harris-powerunix )
 407     machine=nh6000 opsys=powerunix
 408     NON_GNU_CPP="cc -Xo -E -P"
 409   ;;
 410   ## SR2001/SR2201 running HI-UX/MPP
 411   hppa1.1-hitachi-hiuxmpp* )
 412     machine=sr2k opsys=hiuxmpp
 413   ;;
 414   ## Honeywell XPS100
 415   xps*-honeywell-sysv* )
 416     machine=xps100 opsys=usg5-2
 417   ;;
 418
 419   ## HP 9000 series 200 or 300
 420   m68*-hp-bsd* )
 421     machine=hp9000s300 opsys=bsd4-3
 422   ;;
 423   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 424   m68*-hp-hpux* )
 425     case "`uname -r`" in
 426       ## Someone's system reports A.B8.05 for this.
 427       ## I wonder what other possibilities there are.
 428       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 429       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 430       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 431       *.10.* ) machine=hp9000s300 opsys=hpux9shr ;;
 432       *) machine=hp9000s300 opsys=hpux ;;
 433     esac
 434   ;;
 435
 436   ## HP 9000 series 700 and 800, running HP/UX
 437   hppa*-hp-hpux7* )
 438     machine=hp800 opsys=hpux
 439   ;;
 440   hppa*-hp-hpux8* )
 441     machine=hp800 opsys=hpux8
 442   ;;
 443   hppa*-hp-hpux9shr* )
 444     machine=hp800 opsys=hpux9shr
 445   ;;
 446   hppa*-hp-hpux9* )
 447     machine=hp800 opsys=hpux9
 448   ;;
 449   hppa*-hp-hpux10* )
 450     machine=hp800 opsys=hpux10
 451   ;;
 452
 453   ## HP 9000 series 700 and 800, running HP/UX
 454   hppa*-hp-hpux* )
 455     ## Cross-compilation?  Nah!
 456     case "`uname -r`" in
 457       ## Someone's system reports A.B8.05 for this.
 458       ## I wonder what other possibilities there are.
 459       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 460       *.08.* ) machine=hp800 opsys=hpux8 ;;
 461       *.09.* ) machine=hp800 opsys=hpux9 ;;
 462       *) machine=hp800 opsys=hpux ;;
 463     esac
 464   ;;
 465   hppa*-*-nextstep* )
 466     machine=hp800 opsys=nextstep
 467   ;;
 468
 469   ## Orion machines
 470   orion-orion-bsd* )
 471     machine=orion opsys=bsd4-2
 472   ;;
 473   clipper-orion-bsd* )
 474     machine=orion105 opsys=bsd4-2
 475   ;;
 476
 477   ## IBM machines
 478   i[3456]86-ibm-aix1.1* )
 479     machine=ibmps2-aix opsys=usg5-2-2
 480   ;;
 481   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 482     machine=ibmps2-aix opsys=usg5-3
 483   ;;
 484   i370-ibm-aix*)
 485     machine=ibm370aix opsys=usg5-3
 486   ;;
 487   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 488     machine=ibmrs6000 opsys=aix3-1
 489   ;;
 490   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 491     machine=ibmrs6000 opsys=aix3-2-5
 492   ;;
 493   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 494     machine=ibmrs6000 opsys=aix4-1
 495   ;;
 496   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 497     machine=ibmrs6000 opsys=aix4-2
 498   ;;
 499   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 500     machine=ibmrs6000 opsys=aix4
 501   ;;
 502   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 503     machine=ibmrs6000 opsys=aix4-1
 504   ;;
 505   rs6000-ibm-aix* | powerpc-ibm-aix* )
 506     machine=ibmrs6000 opsys=aix3-2
 507   ;;
 508   romp-ibm-bsd4.3* )
 509     machine=ibmrt opsys=bsd4-3
 510   ;;
 511   romp-ibm-bsd4.2* )
 512     machine=ibmrt opsys=bsd4-2
 513   ;;
 514   romp-ibm-aos4.3* )
 515     machine=ibmrt opsys=bsd4-3
 516   ;;
 517   romp-ibm-aos4.2* )
 518     machine=ibmrt opsys=bsd4-2
 519   ;;
 520   romp-ibm-aos* )
 521     machine=ibmrt opsys=bsd4-3
 522   ;;
 523   romp-ibm-bsd* )
 524     machine=ibmrt opsys=bsd4-3
 525   ;;
 526   romp-ibm-aix* )
 527     machine=ibmrt-aix opsys=usg5-2-2
 528   ;;
 529
 530   ## Integrated Solutions `Optimum V'
 531   m68*-isi-bsd4.2* )
 532     machine=isi-ov opsys=bsd4-2
 533   ;;
 534   m68*-isi-bsd4.3* )
 535     machine=isi-ov opsys=bsd4-3
 536   ;;
 537
 538   ## Intel 386 machines where we do care about the manufacturer
 539   i[3456]86-intsys-sysv* )
 540     machine=is386 opsys=usg5-2-2
 541   ;;
 542
 543   ## Prime EXL
 544   i[3456]86-prime-sysv* )
 545     machine=i386 opsys=usg5-3
 546   ;;
 547
 548   ## Sequent Symmetry running Dynix
 549   i[3456]86-sequent-bsd* )
 550     machine=symmetry opsys=bsd4-3
 551   ;;
 552
 553   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 554   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 555     machine=sequent-ptx opsys=ptx4
 556     NON_GNU_CPP=/lib/cpp
 557   ;;
 558
 559   ## Sequent Symmetry running DYNIX/ptx
 560   ## Use the old cpp rather than the newer ANSI one.
 561   i[3456]86-sequent-ptx* )
 562     machine=sequent-ptx opsys=ptx
 563     NON_GNU_CPP="/lib/cpp"
 564   ;;
 565
 566   ## ncr machine running svr4.3.
 567   i[3456]86-ncr-sysv4.3 )
 568     machine=ncr386 opsys=usg5-4-3
 569   ;;
 570
 571   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 572   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 573   i[3456]86-ncr-sysv* )
 574     machine=ncr386 opsys=usg5-4-2
 575   ;;
 576
 577   ## Intel Paragon OSF/1
 578   i860-intel-osf1* )
 579     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 580   ;;
 581
 582   ## Intel 860
 583   i860-*-sysv4* )
 584     machine=i860 opsys=usg5-4
 585     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 586     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 587   ;;
 588
 589   ## Masscomp machines
 590   m68*-masscomp-rtu* )
 591     machine=masscomp opsys=rtu
 592   ;;
 593
 594   ## Megatest machines
 595   m68*-megatest-bsd* )
 596     machine=mega68 opsys=bsd4-2
 597   ;;
 598
 599   ## Workstations sold by MIPS
 600   ## This is not necessarily all workstations using the MIPS processor -
 601   ## Irises are produced by SGI, and DECstations by DEC.
 602
 603   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 604   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 605   ## it gives for choosing between the alternatives seems to be "Use
 606   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 607   ## the BSD world."  I'll assume that these are instructions for
 608   ## handling two odd situations, and that every other situation
 609   ## should use mips.h and usg5-2-2, they being listed first.
 610   mips-mips-usg* )
 611     machine=mips4
 612     ## Fall through to the general code at the bottom to decide on the OS.
 613   ;;
 614   mips-mips-riscos4* )
 615     machine=mips4 opsys=bsd4-3
 616     NON_GNU_CC="cc -systype bsd43"
 617     NON_GNU_CPP="cc -systype bsd43 -E"
 618   ;;
 619   mips-mips-riscos5* )
 620     machine=mips4 opsys=riscos5
 621     NON_GNU_CC="cc -systype bsd43"
 622     NON_GNU_CPP="cc -systype bsd43 -E"
 623   ;;
 624   mips-mips-bsd* )
 625     machine=mips opsys=bsd4-3
 626   ;;
 627   mips-mips-* )
 628     machine=mips opsys=usg5-2-2
 629   ;;
 630
 631   ## NeXT
 632   m68*-next-* | m68k-*-nextstep* )
 633     machine=m68k opsys=nextstep
 634   ;;
 635
 636   ## The complete machine from National Semiconductor
 637   ns32k-ns-genix* )
 638     machine=ns32000 opsys=usg5-2
 639   ;;
 640
 641   ## NCR machines
 642   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 643     machine=tower32 opsys=usg5-2-2
 644   ;;
 645   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 646     machine=tower32v3 opsys=usg5-3
 647   ;;
 648
 649   ## Nixdorf Targon 31
 650   m68*-nixdorf-sysv* )
 651     machine=targon31 opsys=usg5-2-2
 652   ;;
 653
 654   ## Nu (TI or LMI)
 655   m68*-nu-sysv* )
 656     machine=nu opsys=usg5-2
 657   ;;
 658
 659   ## Plexus
 660   m68*-plexus-sysv* )
 661     machine=plexus opsys=usg5-2
 662   ;;
 663
 664   ## PowerPC reference platform
 665   powerpcle-*-solaris2* )
 666     machine=prep
 667     opsys=sol2-5
 668   ;;
 669
 670   ## Pyramid machines
 671   ## I don't really have any idea what sort of processor the Pyramid has,
 672   ## so I'm assuming it is its own architecture.
 673   pyramid-pyramid-bsd* )
 674     machine=pyramid opsys=bsd4-2
 675   ;;
 676
 677   ## Sequent Balance
 678   ns32k-sequent-bsd4.2* )
 679     machine=sequent opsys=bsd4-2
 680   ;;
 681   ns32k-sequent-bsd4.3* )
 682     machine=sequent opsys=bsd4-3
 683   ;;
 684
 685   ## Siemens Nixdorf
 686   mips-siemens-sysv* | mips-sni-sysv*)
 687     machine=mips-siemens opsys=usg5-4
 688     NON_GNU_CC=/usr/ccs/bin/cc
 689     NON_GNU_CPP=/usr/ccs/lib/cpp
 690   ;;
 691
 692   ## Silicon Graphics machines
 693   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 694   m68*-sgi-iris3.5* )
 695     machine=irist opsys=iris3-5
 696   ;;
 697   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 698     machine=irist opsys=iris3-6
 699   ;;
 700   ## Iris 4D
 701   mips-sgi-irix3* )
 702     machine=iris4d opsys=irix3-3
 703   ;;
 704   mips-sgi-irix4* )
 705     machine=iris4d opsys=irix4-0
 706   ;;
 707   mips-sgi-irix6* )
 708     machine=iris4d opsys=irix6-0
 709     NON_GNU_CPP=/lib/cpp
 710     NON_GCC_TEST_OPTIONS=-32
 711   ;;
 712   mips-sgi-irix5.[01]* )
 713     machine=iris4d opsys=irix5-0
 714   ;;
 715   mips-sgi-irix5* | mips-sgi-irix* )
 716     machine=iris4d opsys=irix5-2
 717   ;;
 718
 719   ## SONY machines
 720   m68*-sony-bsd4.2* )
 721     machine=news opsys=bsd4-2
 722   ;;
 723   m68*-sony-bsd4.3* )
 724     machine=news opsys=bsd4-3
 725   ;;
 726   m68*-sony-newsos3* | m68*-sony-news3*)
 727     machine=news opsys=bsd4-3
 728   ;;
 729   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 730     machine=news-risc opsys=bsd4-3
 731   ;;
 732   mips-sony-newsos6* )
 733     machine=news-r6 opsys=newsos6
 734   ;;
 735   mips-sony-news* )
 736     machine=news-risc opsys=newsos5
 737   ;;
 738
 739   ## Stride
 740   m68*-stride-sysv* )
 741     machine=stride opsys=usg5-2
 742   ;;
 743
 744   ## Suns
 745   sparc-*-linux-gnu* )
 746     machine=sparc opsys=gnu-linux
 747   ;;
 748
 749   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 750     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 751     | rs6000-*-solaris2*)
 752     case "${canonical}" in
 753       m68*-sunos1* )    machine=sun1 ;;
 754       m68*-sunos2* )    machine=sun2 ;;
 755       m68* )            machine=sun3 ;;
 756       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 757       i[3456]86-*-* )     machine=intel386 ;;
 758       powerpcle* )      machine=powerpcle ;;
 759       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 760       sparc* )          machine=sparc ;;
 761       * )               unported=yes ;;
 762     esac
 763     case "${canonical}" in
 764       ## The Sun386 didn't get past 4.0.
 765       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 766       *-sunos4.0*         ) opsys=sunos4-0 ;;
 767       *-sunos4.1.[3-9]*noshare )
 768                 ## This name is sunos413 instead of sunos4-1-3
 769                 ## to avoid a file name conflict on MSDOS.
 770                 opsys=sunos413
 771                 NON_GNU_CPP=/usr/lib/cpp
 772                 NON_GCC_TEST_OPTIONS=-Bstatic
 773                 GCC_TEST_OPTIONS=-static
 774                 ;;
 775       *-sunos4.1.[3-9]* | *-sunos4shr*)
 776                 opsys=sunos4shr
 777                 NON_GNU_CPP=/usr/lib/cpp
 778                 ;;
 779       *-sunos4* | *-sunos )
 780                 opsys=sunos4-1
 781                 NON_GCC_TEST_OPTIONS=-Bstatic
 782                 GCC_TEST_OPTIONS=-static
 783                 ;;
 784       *-sunos5.3* | *-solaris2.3* )
 785                 opsys=sol2-3
 786                 NON_GNU_CPP=/usr/ccs/lib/cpp
 787                 ;;
 788       *-sunos5.4* | *-solaris2.4* )
 789                 opsys=sol2-4
 790                 NON_GNU_CPP=/usr/ccs/lib/cpp
 791                 RANLIB="ar -ts"
 792                 ;;
 793       *-sunos5.5* | *-solaris2.5* )
 794                 opsys=sol2-5
 795                 NON_GNU_CPP=/usr/ccs/lib/cpp
 796                 RANLIB="ar -ts"
 797                 ;;
 798       *-sunos5* | *-solaris* )
 799                 opsys=sol2-4
 800                 NON_GNU_CPP=/usr/ccs/lib/cpp
 801                 ;;
 802       *                   ) opsys=bsd4-2   ;;
 803     esac
 804     ## Watch out for a compiler that we know will not work.
 805     case "${canonical}" in
 806      *-solaris* | *-sunos5* )
 807                 if [ "x$CC" = x/usr/ucb/cc ]; then
 808                   ## /usr/ucb/cc doesn't work;
 809                   ## we should find some other compiler that does work.
 810                   unset CC
 811                 fi
 812                 ;;
 813       *) ;;
 814     esac
 815   ;;
 816   sparc-*-nextstep* )
 817     machine=sparc opsys=nextstep
 818   ;;
 819
 820   ## Tadpole 68k
 821   m68*-tadpole-sysv* )
 822     machine=tad68k opsys=usg5-3
 823   ;;
 824
 825   ## Tahoe machines
 826   tahoe-tahoe-bsd4.2* )
 827     machine=tahoe opsys=bsd4-2
 828   ;;
 829   tahoe-tahoe-bsd4.3* )
 830     machine=tahoe opsys=bsd4-3
 831   ;;
 832
 833   ## Tandem Integrity S2
 834   mips-tandem-sysv* )
 835     machine=tandem-s2 opsys=usg5-3
 836   ;;
 837
 838   ## Tektronix XD88
 839   m88k-tektronix-sysv3* )
 840   machine=tekxd88 opsys=usg5-3
 841   ;;
 842
 843   ## Tektronix 16000 box (6130?)
 844   ns16k-tektronix-bsd* )
 845     machine=ns16000 opsys=bsd4-2
 846   ;;
 847   ## Tektronix 4300
 848   ## src/m/tek4300.h hints that this is a m68k machine.
 849   m68*-tektronix-bsd* )
 850     machine=tek4300 opsys=bsd4-3
 851   ;;
 852
 853   ## Titan P2 or P3
 854   ## We seem to have lost the machine-description file titan.h!
 855   titan-titan-sysv* )
 856     machine=titan opsys=usg5-3
 857   ;;
 858
 859   ## Ustation E30 (SS5E)
 860   m68*-unisys-uniplus* )
 861     machine=ustation opsystem=unipl5-2
 862   ;;
 863
 864   ## Vaxen.
 865   vax-dec-* )
 866     machine=vax
 867     case "${canonical}" in
 868       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 869       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 870       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 871       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 872       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 873       *-vms* )                                          opsys=vms ;;
 874       * )                                               unported=yes
 875     esac
 876   ;;
 877
 878   ## Whitechapel MG1
 879   ns16k-whitechapel-* )
 880     machine=mg1
 881     ## We don't know what sort of OS runs on these; we'll let the
 882     ## operating system guessing code below try.
 883   ;;
 884
 885   ## Wicat
 886   m68*-wicat-sysv* )
 887     machine=wicat opsys=usg5-2
 888   ;;
 889
 890   ## Intel 386 machines where we don't care about the manufacturer
 891   i[3456]86-*-* )
 892     machine=intel386
 893     case "${canonical}" in
 894       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 895       *-isc2.2* )               opsys=isc2-2 ;;
 896       *-isc4.0* )               opsys=isc4-0 ;;
 897       *-isc4.* )                opsys=isc4-1
 898                                 GCC_TEST_OPTIONS=-posix
 899                                 NON_GCC_TEST_OPTIONS=-Xp
 900                                 ;;
 901       *-isc* )                  opsys=isc3-0 ;;
 902       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 903       *-esix* )                 opsys=esix ;;
 904       *-xenix* )                opsys=xenix ;;
 905       *-linux-gnu* )            opsys=gnu-linux ;;
 906       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 907       *-sco3.2v5* )             opsys=sco5
 908                                 NON_GNU_CPP=/lib/cpp
 909                                 # Prevent -belf from being passed to $CPP.
 910                                 # /lib/cpp does not accept it.
 911                                 OVERRIDE_CPPFLAGS=" "
 912                                 ;;
 913       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 914       *-386bsd* )               opsys=386bsd ;;
 915       *-freebsd* )              opsys=freebsd ;;
 916       *-nextstep* )             opsys=nextstep ;;
 917       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 918     esac
 919   ;;
 920
 921   ## m68k Linux-based GNU system
 922   m68k-*-linux-gnu* )
 923     machine=m68k opsys=gnu-linux
 924   ;;
 925
 926   ## Mips Linux-based GNU system
 927   mips-*-linux-gnu* )
 928     machine=mips opsys=gnu-linux
 929   ;;
 930
 931   * )
 932     unported=yes
 933   ;;
 934 esac
 935
 936 ### If the code above didn't choose an operating system, just choose
 937 ### an operating system based on the configuration name.  You really
 938 ### only want to use this when you have no idea what the right
 939 ### operating system is; if you know what operating systems a machine
 940 ### runs, it's cleaner to make it explicit in the case statement
 941 ### above.
 942 if test x"${opsys}" = x; then
 943   case "${canonical}" in
 944     *-gnu* )                            opsys=gnu ;;
 945     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 946     *-bsd4.2 )                          opsys=bsd4-2 ;;
 947     *-bsd4.3 )                          opsys=bsd4-3 ;;
 948     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 949     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 950     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 951     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 952     *-sysv4.2uw* )                      opsys=unixware ;;
 953     *-sysv4.1* | *-sysvr4.1* )
 954         NON_GNU_CPP=/usr/lib/cpp
 955         opsys=usg5-4 ;;
 956     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 957         if [ x$NON_GNU_CPP = x ]; then
 958           if [ -f /usr/ccs/lib/cpp ]; then
 959             NON_GNU_CPP=/usr/ccs/lib/cpp
 960           else
 961             NON_GNU_CPP=/lib/cpp
 962           fi
 963         fi
 964         opsys=usg5-4-2 ;;
 965     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 966     * )
 967       unported=yes
 968     ;;
 969   esac
 970 fi
 971
 972 if test "x$RANLIB" = x; then
 973   RANLIB=ranlib
 974 fi
 975
 976 changequote([, ])dnl
 977
 978 if test $unported = yes; then
 979   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
 980 Check \`etc/MACHINES' for recognized configuration names.])
 981 fi
 982
 983 machfile="m/${machine}.h"
 984 opsysfile="s/${opsys}.h"
 985
 986
 987 #### Choose a compiler.
 988 test -n "$CC" && cc_specified=yes
 989
 990 # Save the value of CFLAGS that the user specified.
 991 SPECIFIED_CFLAGS="$CFLAGS"
 992
 993 case ${with_gcc} in
 994   "yes" ) CC="gcc" GCC=yes ;;
 995   "no"  ) : ${CC=cc} ;;
 996   * ) AC_PROG_CC
 997 esac
 998
 999 # On Suns, sometimes $CPP names a directory.
1000 if test -n "$CPP" && test -d "$CPP"; then
1001   CPP=
1002 fi
1003
1004 #### Some systems specify a CPP to use unless we are using GCC.
1005 #### Now that we know whether we are using GCC, we can decide whether
1006 #### to use that one.
1007 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1008 then
1009   CPP="$NON_GNU_CPP"
1010 fi
1011
1012 #### Some systems specify a CC to use unless we are using GCC.
1013 #### Now that we know whether we are using GCC, we can decide whether
1014 #### to use that one.
1015 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1016   test x$cc_specified != xyes
1017 then
1018   CC="$NON_GNU_CC"
1019 fi
1020
1021 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1022 then
1023   CC="$CC $GCC_TEST_OPTIONS"
1024 fi
1025
1026 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1027 then
1028   CC="$CC $NON_GCC_TEST_OPTIONS"
1029 fi
1030
1031 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1032 then
1033   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1034 fi
1035
1036 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1037 then
1038   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1039 fi
1040
1041 #### Some other nice autoconf tests.  If you add a test here which
1042 #### should make an entry in src/config.h, don't forget to add an
1043 #### #undef clause to src/config.h.in for autoconf to modify.
1044
1045 dnl checks for programs
1046 AC_PROG_LN_S
1047 AC_PROG_CPP
1048 AC_PROG_INSTALL
1049 AC_PROG_YACC
1050
1051 dnl checks for Unix variants
1052 AC_AIX
1053
1054 dnl checks for header files
1055 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h sys/systeminfo.h termios.h limits.h)
1056 AC_HEADER_STDC
1057 AC_HEADER_TIME
1058 AC_DECL_SYS_SIGLIST
1059
1060 dnl Some systems have utime.h but don't declare the struct anyplace.
1061 AC_MSG_CHECKING(for struct utimbuf)
1062 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1063 #include <sys/time.h>
1064 #include <time.h>
1065 #else
1066 #ifdef HAVE_SYS_TIME_H
1067 #include <sys/time.h>
1068 #else
1069 #include <time.h>
1070 #endif
1071 #endif
1072 #ifdef HAVE_UTIME_H
1073 #include <utime.h>
1074 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1075   [AC_MSG_RESULT(yes)
1076    AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
1077   AC_MSG_RESULT(no))
1078
1079 dnl checks for typedefs
1080 AC_TYPE_SIGNAL
1081
1082 AC_MSG_CHECKING(for struct timeval)
1083 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1084 #include <sys/time.h>
1085 #include <time.h>
1086 #else
1087 #ifdef HAVE_SYS_TIME_H
1088 #include <sys/time.h>
1089 #else
1090 #include <time.h>
1091 #endif
1092 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1093   [AC_MSG_RESULT(yes)
1094    HAVE_TIMEVAL=yes
1095    AC_DEFINE(HAVE_TIMEVAL)],
1096   [AC_MSG_RESULT(no)
1097    HAVE_TIMEVAL=no])
1098
1099 dnl checks for structure members
1100 AC_STRUCT_TM
1101 AC_STRUCT_TIMEZONE
1102
1103 dnl checks for compiler characteristics
1104 AC_C_CONST
1105
1106 dnl check for Make feature
1107 AC_PROG_MAKE_SET
1108
1109 dnl checks for operating system services
1110 AC_SYS_LONG_FILE_NAMES
1111
1112 #### Choose a window system.
1113
1114 AC_PATH_X
1115 if test "$no_x" = yes; then
1116   window_system=none
1117 else
1118   window_system=x11
1119 fi
1120
1121 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1122   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1123   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1124 fi
1125 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1126   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1127 fi
1128
1129 if test x"${x_includes}" = x; then
1130   bitmapdir=/usr/include/X11/bitmaps
1131 else
1132   # accumulate include directories that have X11 bitmap subdirectories
1133   bmd_acc="dummyval"
1134   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1135     if test -d "${bmd}/X11/bitmaps"; then
1136       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1137     elif test -d "${bmd}/bitmaps"; then
1138       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1139     fi
1140   done
1141   if test ${bmd_acc} != "dummyval"; then
1142     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1143   fi
1144 fi
1145
1146 case "${window_system}" in
1147   x11 )
1148     HAVE_X_WINDOWS=yes
1149     HAVE_X11=yes
1150     case "${with_x_toolkit}" in
1151       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1152       motif ) USE_X_TOOLKIT=MOTIF ;;
1153 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1154       no ) USE_X_TOOLKIT=none ;;
1155 dnl If user did not say whether to use a toolkit,
1156 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1157       * ) USE_X_TOOLKIT=maybe ;;
1158     esac
1159   ;;
1160   none )
1161     HAVE_X_WINDOWS=no
1162     HAVE_X11=no
1163     USE_X_TOOLKIT=none
1164   ;;
1165 esac
1166
1167 ### If we're using X11, we should use the X menu package.
1168 HAVE_MENUS=no
1169 case ${HAVE_X11} in
1170   yes ) HAVE_MENUS=yes ;;
1171 esac
1172
1173 if test "${opsys}" = "hpux9"; then
1174   case "${x_libraries}" in
1175     *X11R4* )
1176       opsysfile="s/hpux9-x11r4.h"
1177       ;;
1178   esac
1179 fi
1180
1181 if test "${opsys}" = "hpux9shr"; then
1182   case "${x_libraries}" in
1183     *X11R4* )
1184       opsysfile="s/hpux9shxr4.h"
1185       ;;
1186   esac
1187 fi
1188
1189 #### Extract some information from the operating system and machine files.
1190
1191 AC_CHECKING([the machine- and system-dependent files to find out
1192  - which libraries the lib-src programs will want, and
1193  - whether the GNU malloc routines are usable])
1194
1195 ### First figure out CFLAGS (which we use for running the compiler here)
1196 ### and REAL_CFLAGS (which we use for real compilation).
1197 ### The two are the same except on a few systems, where they are made
1198 ### different to work around various lossages.  For example,
1199 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1200 ### as implying static linking.
1201
1202 ### If the CFLAGS env var is specified, we use that value
1203 ### instead of the default.
1204
1205 ### It's not important that this name contain the PID; you can't run
1206 ### two configures in the same directory and have anything work
1207 ### anyway.
1208 tempcname="conftest.c"
1209
1210 echo '
1211 #include "'${srcdir}'/src/'${opsysfile}'"
1212 #include "'${srcdir}'/src/'${machfile}'"
1213 #ifndef LIBS_MACHINE
1214 #define LIBS_MACHINE
1215 #endif
1216 #ifndef LIBS_SYSTEM
1217 #define LIBS_SYSTEM
1218 #endif
1219 #ifndef C_SWITCH_SYSTEM
1220 #define C_SWITCH_SYSTEM
1221 #endif
1222 #ifndef C_SWITCH_MACHINE
1223 #define C_SWITCH_MACHINE
1224 #endif
1225 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1226 configure___ c_switch_system=C_SWITCH_SYSTEM
1227 configure___ c_switch_machine=C_SWITCH_MACHINE
1228
1229 #ifndef LIB_X11_LIB
1230 #define LIB_X11_LIB -lX11
1231 #endif
1232
1233 #ifndef LIBX11_MACHINE
1234 #define LIBX11_MACHINE
1235 #endif
1236
1237 #ifndef LIBX11_SYSTEM
1238 #define LIBX11_SYSTEM
1239 #endif
1240 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1241
1242 #ifdef UNEXEC
1243 configure___ unexec=UNEXEC
1244 #else
1245 configure___ unexec=unexec.o
1246 #endif
1247
1248 #ifdef SYSTEM_MALLOC
1249 configure___ system_malloc=yes
1250 #else
1251 configure___ system_malloc=no
1252 #endif
1253
1254 #ifndef C_DEBUG_SWITCH
1255 #define C_DEBUG_SWITCH -g
1256 #endif
1257
1258 #ifndef C_OPTIMIZE_SWITCH
1259 #define C_OPTIMIZE_SWITCH -O
1260 #endif
1261
1262 #ifndef LD_SWITCH_MACHINE
1263 #define LD_SWITCH_MACHINE
1264 #endif
1265
1266 #ifndef LD_SWITCH_SYSTEM
1267 #define LD_SWITCH_SYSTEM
1268 #endif
1269
1270 #ifndef LD_SWITCH_X_SITE_AUX
1271 #define LD_SWITCH_X_SITE_AUX
1272 #endif
1273
1274 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1275 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1276
1277 #ifdef THIS_IS_CONFIGURE
1278
1279 /* Get the CFLAGS for tests in configure.  */
1280 #ifdef __GNUC__
1281 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1282 #else
1283 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1284 #endif
1285
1286 #else /* not THIS_IS_CONFIGURE */
1287
1288 /* Get the CFLAGS for real compilation.  */
1289 #ifdef __GNUC__
1290 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1291 #else
1292 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1293 #endif
1294
1295 #endif /* not THIS_IS_CONFIGURE */
1296 ' > ${tempcname}
1297
1298 # The value of CPP is a quoted variable reference, so we need to do this
1299 # to get its actual value...
1300 CPP=`eval "echo $CPP"`
1301 changequote(, )dnl
1302 eval `${CPP} -Isrc ${tempcname} \
1303        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1304 if test "x$SPECIFIED_CFLAGS" = x; then
1305   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1306          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1307 else
1308   REAL_CFLAGS="$CFLAGS"
1309 fi
1310 changequote([, ])dnl
1311 rm ${tempcname}
1312
1313 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1314
1315 ### Compute the unexec source name from the object name.
1316 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1317
1318 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1319 # Assume not, until told otherwise.
1320 GNU_MALLOC=yes
1321 doug_lea_malloc=yes
1322 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1323 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1324 AC_MSG_CHECKING(whether __after_morecore_hook exists)
1325 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1326   [AC_MSG_RESULT(yes)],
1327   [AC_MSG_RESULT(no)
1328    doug_lea_malloc=no])
1329 if test "${system_malloc}" = "yes"; then
1330   GNU_MALLOC=no
1331   GNU_MALLOC_reason="
1332     (The GNU allocators don't work with this system configuration.)"
1333 fi
1334 if test "$doug_lea_malloc" = "yes" ; then
1335   if test "$GNU_MALLOC" = yes ; then
1336     GNU_MALLOC_reason="
1337       (Using Doug Lea's new malloc from the GNU C Library.)"
1338   fi
1339   AC_DEFINE(DOUG_LEA_MALLOC)
1340 fi
1341
1342 if test x"${REL_ALLOC}" = x; then
1343   REL_ALLOC=${GNU_MALLOC}
1344 fi
1345
1346 LISP_FLOAT_TYPE=yes
1347
1348
1349 #### Add the libraries to LIBS and check for some functions.
1350
1351 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1352   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1353 else
1354   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1355 fi
1356
1357 LIBS="$libsrc_libs $LIBS"
1358
1359 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1360 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1361 AC_CHECK_LIB(dnet, dnet_ntoa)
1362 dnl This causes -lresolv to get used in subsequent tests,
1363 dnl which causes failures on some systems such as HPUX 9.
1364 dnl AC_CHECK_LIB(resolv, gethostbyname)
1365
1366 dnl FIXME replace main with a function we actually want from this library.
1367 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1368
1369 AC_CHECK_LIB(pthreads, cma_open)
1370
1371 AC_MSG_CHECKING(for XFree86)
1372 if test -d /usr/X386/include; then
1373   HAVE_XFREE386=yes
1374   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1375 else
1376   HAVE_XFREE386=no
1377 fi
1378 AC_MSG_RESULT($HAVE_XFREE386)
1379
1380 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1381 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1382
1383 if test "${HAVE_X11}" = "yes"; then
1384   DEFS="$C_SWITCH_X_SITE $DEFS"
1385   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1386   LIBS="$LIBX $LIBS"
1387   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1388
1389   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1390   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1391   # but it's more convenient here to set LD_RUN_PATH
1392   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1393   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1394     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1395     export LD_RUN_PATH
1396   fi
1397
1398   if test "${opsys}" = "gnu-linux"; then
1399     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1400     AC_TRY_LINK([],
1401      [XOpenDisplay ("foo");],
1402      [xlinux_first_failure=no],
1403      [xlinux_first_failure=yes])
1404     if test "${xlinux_first_failure}" = "yes"; then
1405       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1406       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1407       OLD_CPPFLAGS="$CPPFLAGS"
1408       OLD_LIBS="$LIBS"
1409       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1410       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1411       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1412       LIBS="$LIBS -b i486-linuxaout"
1413       AC_TRY_LINK([],
1414        [XOpenDisplay ("foo");],
1415        [xlinux_second_failure=no],
1416        [xlinux_second_failure=yes])
1417       if test "${xlinux_second_failure}" = "yes"; then
1418         # If we get the same failure with -b, there is no use adding -b.
1419         # So take it out.  This plays safe.
1420         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1421         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1422         CPPFLAGS="$OLD_CPPFLAGS"
1423         LIBS="$OLD_LIBS"
1424         AC_MSG_RESULT(no)
1425       else
1426         AC_MSG_RESULT(yes)
1427       fi
1428     else
1429       AC_MSG_RESULT(no)
1430     fi
1431   fi
1432
1433   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1434 XScreenNumberOfScreen XSetWMProtocols)
1435 fi
1436
1437 if test "${window_system}" = "x11"; then
1438   AC_MSG_CHECKING(X11 version 6)
1439   AC_TRY_LINK([#include <X11/Xlib.h>],
1440 [#if XlibSpecificationRelease < 6
1441 fail;
1442 #endif
1443 ], [AC_MSG_RESULT(6 or newer)
1444     AC_DEFINE(HAVE_X11R6)],
1445    [AC_MSG_RESULT(before 6)])
1446 fi
1447
1448 if test "${window_system}" = "x11"; then
1449   AC_MSG_CHECKING(X11 version 5)
1450   AC_TRY_LINK([#include <X11/Xlib.h>],
1451 [#if XlibSpecificationRelease < 5
1452 fail;
1453 #endif
1454 ], [AC_MSG_RESULT(5 or newer)
1455     HAVE_X11R5=yes
1456     AC_DEFINE(HAVE_X11R5)],
1457    [
1458     HAVE_X11R5=no
1459     AC_MSG_RESULT(before 5)])
1460 fi
1461
1462 dnl Do not put whitespace before the #include statements below.
1463 dnl Older compilers (eg sunos4 cc) choke on it.
1464 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1465   if test x"${HAVE_X11R5}" = xyes; then
1466     AC_MSG_CHECKING(X11 version 5 with Xaw)
1467     AC_TRY_LINK([
1468 #include <X11/Intrinsic.h>
1469 #include <X11/Xaw/Simple.h>],
1470       [],
1471       [AC_MSG_RESULT(5 or newer, with Xaw; use toolkit by default)
1472        USE_X_TOOLKIT=LUCID],
1473       [AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1474        USE_X_TOOLKIT=none])
1475   else
1476     USE_X_TOOLKIT=none
1477   fi
1478 fi
1479
1480 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1481
1482 if test "${USE_X_TOOLKIT}" != "none"; then
1483   AC_MSG_CHECKING(X11 toolkit version)
1484   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1485 [#if XtSpecificationRelease < 6
1486 fail;
1487 #endif
1488 ], [AC_MSG_RESULT(6 or newer)
1489     HAVE_X11XTR6=yes
1490     AC_DEFINE(HAVE_X11XTR6)],
1491    [AC_MSG_RESULT(before 6)
1492     HAVE_X11XTR6=no])
1493
1494 dnl If using toolkit, check whether libXmu.a exists.
1495 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1496   OLDLIBS="$LIBS"
1497   if test x$HAVE_X11XTR6 = xyes; then
1498     LIBS="-lXt -lSM -lICE $LIBS"
1499   else
1500     LIBS="-lXt $LIBS"
1501   fi
1502   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1503   LIBS="$OLDLIBS"
1504 fi
1505
1506 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1507 AC_MSG_CHECKING(whether netdb declares h_errno)
1508 AC_TRY_LINK([#include <netdb.h>],
1509   [return h_errno;],
1510   [AC_MSG_RESULT(yes)
1511    AC_DEFINE(HAVE_H_ERRNO)],
1512   [AC_MSG_RESULT(no)])
1513
1514 AC_FUNC_ALLOCA
1515
1516 # fmod, logb, and frexp are found in -lm on most systems.
1517 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1518 AC_CHECK_LIB(m, sqrt)
1519
1520 # Check for mail-locking functions in a "mail" library
1521 AC_CHECK_LIB(mail, maillock,
1522              AC_DEFINE(HAVE_LIBMAIL)
1523              AC_CHECK_FUNCS(touchlock)
1524              AC_CHECK_HEADERS(maillock.h))
1525
1526 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1527 rename closedir mkdir rmdir sysinfo \
1528 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1529 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1530 utimes setrlimit setpgid getcwd shutdown)
1531
1532 # Check this now, so that we will NOT find the above functions in ncurses.
1533 # That is because we have not set up to link ncurses in lib-src.
1534 # It's better to believe a function is not available
1535 # than to expect to find it in ncurses.
1536 AC_CHECK_LIB(ncurses, tparm)
1537
1538 # These tell us which Kerberos-related libraries to use.
1539 if test "${with_kerberos+set}" = set; then
1540   AC_CHECK_LIB(krb, krb_get_cred)
1541   AC_CHECK_LIB(des, des_cbc_encrypt)
1542   AC_CHECK_LIB(com_err, com_err)
1543 fi
1544
1545 AC_MSG_CHECKING(whether localtime caches TZ)
1546 AC_CACHE_VAL(emacs_cv_localtime_cache,
1547 [if test x$ac_cv_func_tzset = xyes; then
1548 AC_TRY_RUN([#include <time.h>
1549 #if STDC_HEADERS
1550 # include <stdlib.h>
1551 #endif
1552 extern char **environ;
1553 unset_TZ ()
1554 {
1555   char **from, **to;
1556   for (to = from = environ; (*to = *from); from++)
1557     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1558       to++;
1559 }
1560 char TZ_GMT0[] = "TZ=GMT0";
1561 char TZ_PST8[] = "TZ=PST8";
1562 main()
1563 {
1564   time_t now = time ((time_t *) 0);
1565   int hour_GMT0, hour_unset;
1566   if (putenv (TZ_GMT0) != 0)
1567     exit (1);
1568   hour_GMT0 = localtime (&now)->tm_hour;
1569   unset_TZ ();
1570   hour_unset = localtime (&now)->tm_hour;
1571   if (putenv (TZ_PST8) != 0)
1572     exit (1);
1573   if (localtime (&now)->tm_hour == hour_GMT0)
1574     exit (1);
1575   unset_TZ ();
1576   if (localtime (&now)->tm_hour != hour_unset)
1577     exit (1);
1578   exit (0);
1579 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1580 [# If we have tzset, assume the worst when cross-compiling.
1581 emacs_cv_localtime_cache=yes])
1582 else
1583         # If we lack tzset, report that localtime does not cache TZ,
1584         # since we can't invalidate the cache if we don't have tzset.
1585         emacs_cv_localtime_cache=no
1586 fi])dnl
1587 AC_MSG_RESULT($emacs_cv_localtime_cache)
1588 if test $emacs_cv_localtime_cache = yes; then
1589   AC_DEFINE(LOCALTIME_CACHE)
1590 fi
1591
1592 if test "x$HAVE_TIMEVAL" = xyes; then
1593 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1594 AC_TRY_LINK([
1595 #ifdef TIME_WITH_SYS_TIME
1596 #include <sys/time.h>
1597 #include <time.h>
1598 #else
1599 #ifdef HAVE_SYS_TIME_H
1600 #include <sys/time.h>
1601 #else
1602 #include <time.h>
1603 #endif
1604 #endif
1605   ],
1606   [
1607   struct timeval time;
1608   struct timezone dummy;
1609   gettimeofday (&time, &dummy);
1610 ],
1611   [AC_MSG_RESULT(no)],
1612   [AC_MSG_RESULT(yes)
1613    AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1614 fi
1615
1616 ok_so_far=yes
1617 AC_CHECK_FUNC(socket, , ok_so_far=no)
1618 if test $ok_so_far = yes; then
1619   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1620 fi
1621 if test $ok_so_far = yes; then
1622   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1623 fi
1624 if test $ok_so_far = yes; then
1625   AC_DEFINE(HAVE_INET_SOCKETS)
1626 fi
1627
1628 if test -f /usr/lpp/X11/bin/smt.exp; then
1629   AC_DEFINE(HAVE_AIX_SMT_EXP)
1630 fi
1631
1632 # Set up the CFLAGS for real compilation, so we can substitute it.
1633 CFLAGS="$REAL_CFLAGS"
1634
1635 changequote(, )dnl
1636 #### Find out which version of Emacs this is.
1637 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1638          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1639 changequote([, ])dnl
1640 if test x"${version}" = x; then
1641   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1642 fi
1643
1644 ### Specify what sort of things we'll be editing into Makefile and config.h.
1645 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1646 AC_SUBST(version)
1647 AC_SUBST(configuration)
1648 AC_SUBST(canonical)
1649 AC_SUBST(srcdir)
1650 AC_SUBST(prefix)
1651 AC_SUBST(exec_prefix)
1652 AC_SUBST(bindir)
1653 AC_SUBST(datadir)
1654 AC_SUBST(sharedstatedir)
1655 AC_SUBST(libexecdir)
1656 AC_SUBST(mandir)
1657 AC_SUBST(infodir)
1658 AC_SUBST(lispdir)
1659 AC_SUBST(locallisppath)
1660 AC_SUBST(lisppath)
1661 AC_SUBST(etcdir)
1662 AC_SUBST(archlibdir)
1663 AC_SUBST(docdir)
1664 AC_SUBST(bitmapdir)
1665 AC_SUBST(c_switch_system)
1666 AC_SUBST(c_switch_machine)
1667 AC_SUBST(LD_SWITCH_X_SITE)
1668 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1669 AC_SUBST(C_SWITCH_X_SITE)
1670 AC_SUBST(CFLAGS)
1671 AC_SUBST(X_TOOLKIT_TYPE)
1672 AC_SUBST(machfile)
1673 AC_SUBST(opsysfile)
1674 AC_SUBST(RANLIB)
1675
1676 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1677 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1678 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1679 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1680 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1681 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1682 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1683 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1684
1685 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1686   AC_DEFINE(HAVE_X_WINDOWS)
1687 fi
1688 if test "${USE_X_TOOLKIT}" != "none" ; then
1689   AC_DEFINE(USE_X_TOOLKIT)
1690 fi
1691 if test "${HAVE_X11}" = "yes" ; then
1692   AC_DEFINE(HAVE_X11)
1693 fi
1694 if test "${HAVE_XFREE386}" = "yes" ; then
1695   AC_DEFINE(HAVE_XFREE386)
1696 fi
1697 if test "${HAVE_MENUS}" = "yes" ; then
1698   AC_DEFINE(HAVE_MENUS)
1699 fi
1700 if test "${GNU_MALLOC}" = "yes" ; then
1701   AC_DEFINE(GNU_MALLOC)
1702 fi
1703 if test "${REL_ALLOC}" = "yes" ; then
1704   AC_DEFINE(REL_ALLOC)
1705 fi
1706 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1707   AC_DEFINE(LISP_FLOAT_TYPE)
1708 fi
1709
1710 #### Report on what we decided to do.
1711 echo "
1712 Configured for \`${canonical}'.
1713
1714   Where should the build process find the source code?    ${srcdir}
1715   What operating system and machine description files should Emacs use?
1716         \`${opsysfile}' and \`${machfile}'
1717   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1718   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1719   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1720   What window system should Emacs use?                    ${window_system}
1721   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1722
1723 if test -n "${x_includes}"; then
1724 echo "  Where do we find X Windows header files?                ${x_includes}"
1725 else
1726 echo "  Where do we find X Windows header files?                Standard dirs"
1727 fi
1728 if test -n "${x_libraries}"; then
1729 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1730 else
1731 echo "  Where do we find X Windows libraries?                   Standard dirs"
1732 fi
1733
1734 echo
1735
1736 # Remove any trailing slashes in these variables.
1737 changequote(, )dnl
1738 test "${prefix}" != NONE &&
1739   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1740 test "${exec_prefix}" != NONE &&
1741   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1742 changequote([, ])dnl
1743
1744 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1745         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
1746         leim/Makefile, [
1747
1748 ### Make the necessary directories, if they don't exist.
1749 for dir in cpp etc lisp ; do
1750   test -d ${dir} || mkdir ${dir}
1751 done
1752
1753 # Build src/Makefile from ${srcdir}/src/Makefile.c
1754 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1755 # This must be done after src/config.h is built, since we rely on that file.
1756
1757 changequote(, )dnl The horror, the horror.
1758 # Now get this: Some word that is part of the ${srcdir} directory name
1759 # or the ${configuration} value might, just might, happen to be an
1760 # identifier like `sun4' or `i386' or something, and be predefined by
1761 # the C preprocessor to some helpful value like 1, or maybe the empty
1762 # string.  Needless to say consequent macro substitutions are less
1763 # than conducive to the makefile finding the correct directory.
1764 undefs="`echo $top_srcdir $configuration $canonical |
1765 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1766     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1767 `"
1768 changequote([, ])dnl
1769
1770 echo creating src/paths.h
1771 make paths-force
1772
1773 echo creating lib-src/Makefile
1774 ( cd lib-src
1775   rm -f junk.c junk1.c junk2.c
1776   sed -e '/start of cpp stuff/q' \
1777       < Makefile.c > junk1.c
1778   sed -e '1,/start of cpp stuff/d'\
1779       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1780       < Makefile.c > junk.c
1781   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1782       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1783   cat junk1.c junk2.c > Makefile.new
1784   rm -f junk.c junk1.c junk2.c
1785   chmod 444 Makefile.new
1786   mv -f Makefile.new Makefile
1787 )
1788
1789 echo creating src/Makefile
1790 ( cd src
1791   rm -f junk.c junk1.c junk2.c
1792   sed -e '/start of cpp stuff/q' \
1793       < Makefile.c > junk1.c
1794   sed -e '1,/start of cpp stuff/d'\
1795       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1796       < Makefile.c > junk.c
1797   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1798       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1799   cat junk1.c junk2.c > Makefile.new
1800   rm -f junk.c junk1.c junk2.c
1801   chmod 444 Makefile.new
1802   mv -f Makefile.new Makefile
1803 )
1804
1805 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1806   echo creating src/.gdbinit
1807   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1808 fi
1809
1810 # This is how we know whether to re-run configure in certain cases.
1811 touch src/config.stamp
1812
1813 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])