code.delx.au - gnu-emacs/blob - 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, 1999 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(hesiod,
  43 [  --with-hesiod           support Hesiod to get the POP server host],
  44 [AC_DEFINE(HESIOD)])
  45 dnl This should be the last --with option, because --with-x is
  46 dnl added later on when we find the path of X, and it's best to
  47 dnl keep them together visually.
  48 AC_ARG_WITH(x-toolkit,
  49 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  50 [         case "${withval}" in
  51             y | ye | yes )      val=athena ;;
  52             n | no )            val=no  ;;
  53             l | lu | luc | luci | lucid )       val=lucid ;;
  54             a | at | ath | athe | athen | athena )      val=athena ;;
  55             m | mo | mot | moti | motif )       val=motif ;;
  56 dnl These don't currently work.
  57 dnl         o | op | ope | open | open- | open-l | open-lo \
  58 dnl             | open-loo | open-look )        val=open-look ;;
  59             * )
  60 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  61 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  62 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  63 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  64 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  65             ;;
  66           esac
  67           with_x_toolkit=$val
  68 ])
  69 AC_ARG_WITH(xpm,
  70 [  --with-xpm              use -lXpm for displaying XPM images])
  71 AC_ARG_WITH(jpeg,
  72 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  73 AC_ARG_WITH(tiff,
  74 [  --with-tiff             use -ltiff for displaying TIFF images])
  75 AC_ARG_WITH(gif,
  76 [  --with-gif              use -lungif for displaying GIF images])
  77 AC_ARG_WITH(png,
  78 [  --with-png              use -lpng for displaying PNG images])
  79 AC_ARG_WITH(sound,
  80 [  --with-sound            native sound support for GNU/Linux and free BSDs])
  81 AC_ARG_WITH(toolkit-scroll-bars,
  82 [  --with-toolkit-scroll-bars  use Motif or Xaw3d scroll bars])
  83
  84 #### Make srcdir absolute, if it isn't already.  It's important to
  85 #### avoid running the path through pwd unnecessary, since pwd can
  86 #### give you automounter prefixes, which can go away.  We do all this
  87 #### so Emacs can find its files when run uninstalled.
  88 case "${srcdir}" in
  89   /* ) ;;
  90   . )
  91     ## We may be able to use the $PWD environment variable to make this
  92     ## absolute.  But sometimes PWD is inaccurate.
  93     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  94     unset CDPATH
  95     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  96     then
  97       srcdir="$PWD"
  98     else
  99       srcdir="`(cd ${srcdir}; pwd)`"
 100     fi
 101   ;;
 102   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 103 esac
 104
 105 #### Check if the source directory already has a configured system in it.
 106 if test `pwd` != `(cd ${srcdir} && pwd)` \
 107    && test -f "${srcdir}/src/config.h" ; then
 108   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 109    as a build directory right now; it has been configured in its own
 110    right.  To configure in another directory as well, you MUST
 111    use GNU make.  If you do not have GNU make, then you must
 112    now do \`make distclean' in ${srcdir},
 113    and then run $0 again.])
 114
 115 changequote(, )dnl
 116   extrasub='/^VPATH[     ]*=/c\
 117 changequote([, ])dnl
 118 vpath %.c $(srcdir)\
 119 vpath %.h $(srcdir)\
 120 vpath %.y $(srcdir)\
 121 vpath %.l $(srcdir)\
 122 vpath %.s $(srcdir)\
 123 vpath %.in $(srcdir)\
 124 vpath %.texi $(srcdir)'
 125 fi
 126
 127 #### Given the configuration name, set machfile and opsysfile to the
 128 #### names of the m/*.h and s/*.h files we should use.
 129
 130 ### Canonicalize the configuration name.
 131
 132 AC_CANONICAL_HOST
 133 canonical=$host
 134 configuration=$host_alias
 135
 136 changequote(, )dnl
 137
 138 ### If you add support for a new configuration, add code to this
 139 ### switch statement to recognize your configuration name and select
 140 ### the appropriate operating system and machine description files.
 141
 142 ### You would hope that you could choose an m/*.h file pretty much
 143 ### based on the machine portion of the configuration name, and an s-
 144 ### file based on the operating system portion.  However, it turns out
 145 ### that each m/*.h file is pretty manufacturer-specific - for
 146 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 147 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 148 ### machines.  So we basically have to have a special case for each
 149 ### configuration name.
 150 ###
 151 ### As far as handling version numbers on operating systems is
 152 ### concerned, make sure things will fail in a fixable way.  If
 153 ### /etc/MACHINES doesn't say anything about version numbers, be
 154 ### prepared to handle anything reasonably.  If version numbers
 155 ### matter, be sure /etc/MACHINES says something about it.
 156 ###
 157 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 158 ### "System V Release 4"; he writes, "The old convention encouraged
 159 ### confusion between `system' and `release' levels'."
 160
 161 machine='' opsys='' unported=no
 162 case "${canonical}" in
 163
 164   ## NetBSD ports
 165   *-*-netbsd* )
 166     opsys=netbsd
 167     case "${canonical}" in
 168       alpha*-*-netbsd*) machine=alpha ;;
 169       i[3456]86-*-netbsd*) machine=intel386 ;;
 170       m68k-*-netbsd*)
 171                         # This is somewhat bogus.
 172                         machine=hp9000s300 ;;
 173       powerpc-apple-netbsd*) machine=macppc ;;
 174       mips-*-netbsd*)   machine=pmax ;;
 175       ns32k-*-netbsd*)  machine=ns32000 ;;
 176       sparc-*-netbsd*)  machine=sparc ;;
 177       vax-*-netbsd*)    machine=vax ;;
 178     esac
 179   ;;
 180
 181   ## OpenBSD ports
 182   *-*-openbsd* )
 183     opsys=openbsd
 184     case "${canonical}" in
 185       alpha*-*-openbsd*)        machine=alpha ;;
 186       i386-*-openbsd*)  machine=intel386 ;;
 187       m68k-*-openbsd*)  machine=hp9000s300 ;;
 188       mipsel-*-openbsd*) machine=pmax ;;
 189       ns32k-*-openbsd*) machine=ns32000 ;;
 190       sparc-*-openbsd*) machine=sparc ;;
 191       vax-*-openbsd*)   machine=vax ;;
 192     esac
 193   ;;
 194
 195   ## Acorn RISCiX:
 196   arm-acorn-riscix1.1* )
 197     machine=acorn opsys=riscix1-1
 198   ;;
 199   arm-acorn-riscix1.2* | arm-acorn-riscix )
 200     ## This name is riscix12 instead of riscix1.2
 201     ## to avoid a file name conflict on MSDOS.
 202     machine=acorn opsys=riscix12
 203   ;;
 204
 205   ## BSDI ports
 206   *-*-bsdi* )
 207     opsys=bsdi
 208     case "${canonical}" in
 209       i[345]86-*-bsdi*) machine=intel386 ;;
 210       sparc-*-bsdi*)  machine=sparc ;;
 211       powerpc-*-bsdi*)  machine=powerpc ;;
 212     esac
 213     case "${canonical}" in
 214       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 215       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 216       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 217       *-*-bsdi3* )              opsys=bsdos3 ;;
 218       *-*-bsdi4* )              opsys=bsdos4 ;;
 219     esac
 220   ;;
 221
 222   ## Alliant machines
 223   ## Strictly speaking, we need the version of the alliant operating
 224   ## system to choose the right machine file, but currently the
 225   ## configuration name doesn't tell us enough to choose the right
 226   ## one; we need to give alliants their own operating system name to
 227   ## do this right.  When someone cares, they can help us.
 228   fx80-alliant-* )
 229     machine=alliant4 opsys=bsd4-2
 230   ;;
 231   i860-alliant-* )
 232     machine=alliant-2800 opsys=bsd4-3
 233   ;;
 234
 235   ## Alpha (DEC) machines.
 236   alpha*-dec-osf* )
 237     machine=alpha opsys=osf1
 238     # This is needed to find X11R6.1 libraries for certain tests.
 239     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 240     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 241   ;;
 242
 243   alpha*-*-linux-gnu* )
 244     machine=alpha opsys=gnu-linux
 245   ;;
 246
 247   ## Altos 3068
 248   m68*-altos-sysv* )
 249     machine=altos opsys=usg5-2
 250   ;;
 251
 252   ## Amdahl UTS
 253   580-amdahl-sysv* )
 254     machine=amdahl opsys=usg5-2-2
 255   ;;
 256
 257   ## Apollo, Domain/OS
 258   m68*-apollo-* )
 259     machine=apollo opsys=bsd4-3
 260   ;;
 261
 262   ## AT&T 3b2, 3b5, 3b15, 3b20
 263   we32k-att-sysv* )
 264     machine=att3b opsys=usg5-2-2
 265   ;;
 266
 267   ## AT&T 3b1 - The Mighty Unix PC!
 268   m68*-att-sysv* )
 269     machine=7300 opsys=usg5-2-2
 270   ;;
 271
 272   ## Bull dpx20
 273   rs6000-bull-bosx* )
 274     machine=ibmrs6000 opsys=aix3-2
 275   ;;
 276
 277   ## Bull dpx2
 278   m68*-bull-sysv3* )
 279     machine=dpx2 opsys=usg5-3
 280   ;;
 281
 282   ## Bull sps7
 283   m68*-bull-sysv2* )
 284     machine=sps7 opsys=usg5-2
 285   ;;
 286
 287   ## CCI 5/32, 6/32 -- see "Tahoe".
 288
 289   ## Celerity
 290   ## I don't know what configuration name to use for this; config.sub
 291   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 292   ## in touch with us!
 293   celerity-celerity-bsd* )
 294     machine=celerity opsys=bsd4-2
 295   ;;
 296
 297   ## Clipper
 298   ## What operating systems does this chip run that Emacs has been
 299   ## tested on?
 300   clipper-* )
 301     machine=clipper
 302     ## We'll use the catch-all code at the bottom to guess the
 303     ## operating system.
 304   ;;
 305
 306   ## Convex
 307   *-convex-bsd* | *-convex-convexos* )
 308     machine=convex opsys=bsd4-3
 309     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 310     NON_GNU_CPP="cc -E -P"
 311   ;;
 312
 313   ## Cubix QBx/386
 314   i[3456]86-cubix-sysv* )
 315     machine=intel386 opsys=usg5-3
 316   ;;
 317
 318   ## Cydra 5
 319   cydra*-cydrome-sysv* )
 320     machine=cydra5 opsys=usg5-3
 321   ;;
 322
 323   ## Data General AViiON Machines
 324   ## DG changed naming conventions with the release of 5.4.4.10, they
 325   ## dropped the initial 5.4 but left the intervening R.  Because of the
 326   ## R this shouldn't conflict with older versions of the OS (which I
 327   ## think were named like dgux4.*). In addition, DG new AViiONs series
 328   ## uses either Motorola M88k or Intel Pentium CPUs.
 329   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 330     machine=aviion opsys=dgux4
 331   ;;
 332   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 333     ## This name is dgux5-4-3 instead of dgux5-4r3
 334     ## to avoid a file name conflict on MSDOS.
 335     machine=aviion opsys=dgux5-4-3
 336   ;;
 337   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 338     machine=aviion opsys=dgux5-4r2
 339   ;;
 340   m88k-dg-dgux* )
 341     machine=aviion opsys=dgux
 342   ;;
 343
 344   ## Data General AViiON Intel (x86) Machines
 345   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 346   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 347   i[345]86-dg-dguxR4* )
 348     machine=aviion-intel opsys=dgux4
 349   ;;
 350
 351   ## DECstations
 352   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 353     machine=pmax opsys=bsd4-2
 354   ;;
 355   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 356     machine=pmax opsys=bsd4-3
 357   ;;
 358   mips-dec-ultrix* )
 359     machine=pmax opsys=ultrix4-3
 360   ;;
 361   mips-dec-osf* )
 362     machine=pmax opsys=osf1
 363   ;;
 364   mips-dec-mach_bsd4.3* )
 365     machine=pmax opsys=mach-bsd4-3
 366   ;;
 367
 368   ## Motorola Delta machines
 369   m68k-motorola-sysv* | m68000-motorola-sysv* )
 370     machine=delta opsys=usg5-3
 371     if test -z "`type gnucc | grep 'not found'`"
 372     then
 373       if test -s /etc/167config
 374       then CC="gnucc -m68040"
 375       else CC="gnucc -m68881"
 376       fi
 377     else
 378       if test -z "`type gcc | grep 'not found'`"
 379       then CC=gcc
 380       else CC=cc
 381       fi
 382     fi
 383   ;;
 384   m88k-motorola-sysv4* )
 385     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 386     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 387     # I hope there are not other 4.0 versions for this machine
 388     # which really need usg5-4 instead.
 389     machine=delta88k opsys=usg5-4-2
 390   ;;
 391   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 392     machine=delta88k opsys=usg5-3
 393   ;;
 394
 395   ## Dual machines
 396   m68*-dual-sysv* )
 397     machine=dual opsys=usg5-2
 398   ;;
 399   m68*-dual-uniplus* )
 400     machine=dual opsys=unipl5-2
 401   ;;
 402
 403   ## Elxsi 6400
 404   elxsi-elxsi-sysv* )
 405     machine=elxsi opsys=usg5-2
 406   ;;
 407
 408   ## Encore machines
 409   ns16k-encore-bsd* )
 410     machine=ns16000 opsys=umax
 411   ;;
 412
 413   ## The GEC 93 - apparently, this port isn't really finished yet.
 414
 415   ## Gould Power Node and NP1
 416   pn-gould-bsd4.2* )
 417     machine=gould opsys=bsd4-2
 418   ;;
 419   pn-gould-bsd4.3* )
 420     machine=gould opsys=bsd4-3
 421   ;;
 422   np1-gould-bsd* )
 423     machine=gould-np1 opsys=bsd4-3
 424   ;;
 425
 426   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 427   ## as far as Emacs is concerned).
 428   m88k-harris-cxux* )
 429     # Build needs to be different on 7.0 and later releases
 430     case "`uname -r`" in
 431        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 432        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 433     esac
 434     NON_GNU_CPP="/lib/cpp"
 435   ;;
 436   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 437   m68k-harris-cxux* )
 438     machine=nh3000 opsys=cxux
 439   ;;
 440   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 441   powerpc-harris-powerunix )
 442     machine=nh6000 opsys=powerunix
 443     NON_GNU_CPP="cc -Xo -E -P"
 444   ;;
 445   ## SR2001/SR2201 running HI-UX/MPP
 446   hppa1.1-hitachi-hiuxmpp* )
 447     machine=sr2k opsys=hiuxmpp
 448   ;;
 449   ## Honeywell XPS100
 450   xps*-honeywell-sysv* )
 451     machine=xps100 opsys=usg5-2
 452   ;;
 453
 454   ## HP 9000 series 200 or 300
 455   m68*-hp-bsd* )
 456     machine=hp9000s300 opsys=bsd4-3
 457   ;;
 458   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 459   m68*-hp-hpux* )
 460     case "`uname -r`" in
 461       ## Someone's system reports A.B8.05 for this.
 462       ## I wonder what other possibilities there are.
 463       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 464       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 465       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 466       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 467       *) machine=hp9000s300 opsys=hpux ;;
 468     esac
 469   ;;
 470
 471   ## HP 9000 series 700 and 800, running HP/UX
 472   hppa*-hp-hpux7* )
 473     machine=hp800 opsys=hpux
 474   ;;
 475   hppa*-hp-hpux8* )
 476     machine=hp800 opsys=hpux8
 477   ;;
 478   hppa*-hp-hpux9shr* )
 479     machine=hp800 opsys=hpux9shr
 480   ;;
 481   hppa*-hp-hpux9* )
 482     machine=hp800 opsys=hpux9
 483   ;;
 484   hppa*-hp-hpux1[0-9]* )
 485     machine=hp800 opsys=hpux10
 486   ;;
 487
 488   ## HP 9000 series 700 and 800, running HP/UX
 489   hppa*-hp-hpux* )
 490     ## Cross-compilation?  Nah!
 491     case "`uname -r`" in
 492       ## Someone's system reports A.B8.05 for this.
 493       ## I wonder what other possibilities there are.
 494       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 495       *.08.* ) machine=hp800 opsys=hpux8 ;;
 496       *.09.* ) machine=hp800 opsys=hpux9 ;;
 497       *) machine=hp800 opsys=hpux10 ;;
 498     esac
 499   ;;
 500   hppa*-*-nextstep* )
 501     machine=hp800 opsys=nextstep
 502   ;;
 503
 504   ## Orion machines
 505   orion-orion-bsd* )
 506     machine=orion opsys=bsd4-2
 507   ;;
 508   clipper-orion-bsd* )
 509     machine=orion105 opsys=bsd4-2
 510   ;;
 511
 512   ## IBM machines
 513   i[3456]86-ibm-aix1.1* )
 514     machine=ibmps2-aix opsys=usg5-2-2
 515   ;;
 516   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 517     machine=ibmps2-aix opsys=usg5-3
 518   ;;
 519   i370-ibm-aix*)
 520     machine=ibm370aix opsys=usg5-3
 521   ;;
 522   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 523     machine=ibmrs6000 opsys=aix3-1
 524   ;;
 525   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 526     machine=ibmrs6000 opsys=aix3-2-5
 527   ;;
 528   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 529     machine=ibmrs6000 opsys=aix4-1
 530   ;;
 531   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 532     machine=ibmrs6000 opsys=aix4-2
 533   ;;
 534   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 535     machine=ibmrs6000 opsys=aix4
 536   ;;
 537   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 538     machine=ibmrs6000 opsys=aix4-1
 539   ;;
 540   rs6000-ibm-aix* | powerpc-ibm-aix* )
 541     machine=ibmrs6000 opsys=aix3-2
 542   ;;
 543   romp-ibm-bsd4.3* )
 544     machine=ibmrt opsys=bsd4-3
 545   ;;
 546   romp-ibm-bsd4.2* )
 547     machine=ibmrt opsys=bsd4-2
 548   ;;
 549   romp-ibm-aos4.3* )
 550     machine=ibmrt opsys=bsd4-3
 551   ;;
 552   romp-ibm-aos4.2* )
 553     machine=ibmrt opsys=bsd4-2
 554   ;;
 555   romp-ibm-aos* )
 556     machine=ibmrt opsys=bsd4-3
 557   ;;
 558   romp-ibm-bsd* )
 559     machine=ibmrt opsys=bsd4-3
 560   ;;
 561   romp-ibm-aix* )
 562     machine=ibmrt-aix opsys=usg5-2-2
 563   ;;
 564
 565   ## Integrated Solutions `Optimum V'
 566   m68*-isi-bsd4.2* )
 567     machine=isi-ov opsys=bsd4-2
 568   ;;
 569   m68*-isi-bsd4.3* )
 570     machine=isi-ov opsys=bsd4-3
 571   ;;
 572
 573   ## Intel 386 machines where we do care about the manufacturer
 574   i[3456]86-intsys-sysv* )
 575     machine=is386 opsys=usg5-2-2
 576   ;;
 577
 578   ## Prime EXL
 579   i[3456]86-prime-sysv* )
 580     machine=i386 opsys=usg5-3
 581   ;;
 582
 583   ## Sequent Symmetry running Dynix
 584   i[3456]86-sequent-bsd* )
 585     machine=symmetry opsys=bsd4-3
 586   ;;
 587
 588   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 589   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 590     machine=sequent-ptx opsys=ptx4
 591     NON_GNU_CPP=/lib/cpp
 592   ;;
 593
 594   ## Sequent Symmetry running DYNIX/ptx
 595   ## Use the old cpp rather than the newer ANSI one.
 596   i[3456]86-sequent-ptx* )
 597     machine=sequent-ptx opsys=ptx
 598     NON_GNU_CPP="/lib/cpp"
 599   ;;
 600
 601   ## ncr machine running svr4.3.
 602   i[3456]86-ncr-sysv4.3 )
 603     machine=ncr386 opsys=usg5-4-3
 604   ;;
 605
 606   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 607   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 608   i[3456]86-ncr-sysv* )
 609     machine=ncr386 opsys=usg5-4-2
 610   ;;
 611
 612   ## Intel Paragon OSF/1
 613   i860-intel-osf1* )
 614     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 615   ;;
 616
 617   ## Intel 860
 618   i860-*-sysv4* )
 619     machine=i860 opsys=usg5-4
 620     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 621     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 622   ;;
 623
 624   ## Masscomp machines
 625   m68*-masscomp-rtu* )
 626     machine=masscomp opsys=rtu
 627   ;;
 628
 629   ## Megatest machines
 630   m68*-megatest-bsd* )
 631     machine=mega68 opsys=bsd4-2
 632   ;;
 633
 634   ## Workstations sold by MIPS
 635   ## This is not necessarily all workstations using the MIPS processor -
 636   ## Irises are produced by SGI, and DECstations by DEC.
 637
 638   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 639   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 640   ## it gives for choosing between the alternatives seems to be "Use
 641   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 642   ## the BSD world."  I'll assume that these are instructions for
 643   ## handling two odd situations, and that every other situation
 644   ## should use mips.h and usg5-2-2, they being listed first.
 645   mips-mips-usg* )
 646     machine=mips4
 647     ## Fall through to the general code at the bottom to decide on the OS.
 648   ;;
 649   mips-mips-riscos4* )
 650     machine=mips4 opsys=bsd4-3
 651     NON_GNU_CC="cc -systype bsd43"
 652     NON_GNU_CPP="cc -systype bsd43 -E"
 653   ;;
 654   mips-mips-riscos5* )
 655     machine=mips4 opsys=riscos5
 656     NON_GNU_CC="cc -systype bsd43"
 657     NON_GNU_CPP="cc -systype bsd43 -E"
 658   ;;
 659   mips-mips-bsd* )
 660     machine=mips opsys=bsd4-3
 661   ;;
 662   mips-mips-* )
 663     machine=mips opsys=usg5-2-2
 664   ;;
 665
 666   ## NeXT
 667   m68*-next-* | m68k-*-nextstep* )
 668     machine=m68k opsys=nextstep
 669   ;;
 670
 671   ## The complete machine from National Semiconductor
 672   ns32k-ns-genix* )
 673     machine=ns32000 opsys=usg5-2
 674   ;;
 675
 676   ## NCR machines
 677   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 678     machine=tower32 opsys=usg5-2-2
 679   ;;
 680   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 681     machine=tower32v3 opsys=usg5-3
 682   ;;
 683
 684   ## NEC EWS4800
 685   mips-nec-sysv4*)
 686   machine=ews4800 opsys=ux4800
 687   ;;
 688
 689   ## Nixdorf Targon 31
 690   m68*-nixdorf-sysv* )
 691     machine=targon31 opsys=usg5-2-2
 692   ;;
 693
 694   ## Nu (TI or LMI)
 695   m68*-nu-sysv* )
 696     machine=nu opsys=usg5-2
 697   ;;
 698
 699   ## Plexus
 700   m68*-plexus-sysv* )
 701     machine=plexus opsys=usg5-2
 702   ;;
 703
 704   ## PowerPC reference platform
 705   powerpcle-*-solaris2* )
 706     machine=prep
 707     opsys=sol2-5
 708   ;;
 709
 710   ## Pyramid machines
 711   ## I don't really have any idea what sort of processor the Pyramid has,
 712   ## so I'm assuming it is its own architecture.
 713   pyramid-pyramid-bsd* )
 714     machine=pyramid opsys=bsd4-2
 715   ;;
 716
 717   ## Sequent Balance
 718   ns32k-sequent-bsd4.2* )
 719     machine=sequent opsys=bsd4-2
 720   ;;
 721   ns32k-sequent-bsd4.3* )
 722     machine=sequent opsys=bsd4-3
 723   ;;
 724
 725   ## Siemens Nixdorf
 726   mips-siemens-sysv* | mips-sni-sysv*)
 727     machine=mips-siemens opsys=usg5-4
 728     NON_GNU_CC=/usr/ccs/bin/cc
 729     NON_GNU_CPP=/usr/ccs/lib/cpp
 730   ;;
 731
 732   ## Silicon Graphics machines
 733   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 734   m68*-sgi-iris3.5* )
 735     machine=irist opsys=iris3-5
 736   ;;
 737   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 738     machine=irist opsys=iris3-6
 739   ;;
 740   ## Iris 4D
 741   mips-sgi-irix3* )
 742     machine=iris4d opsys=irix3-3
 743   ;;
 744   mips-sgi-irix4* )
 745     machine=iris4d opsys=irix4-0
 746   ;;
 747   mips-sgi-irix6.5 )
 748     machine=iris4d opsys=irix6-5
 749     NON_GNU_CPP=/lib/cpp
 750     NON_GCC_TEST_OPTIONS="-n32 -G0"
 751   ;;
 752   mips-sgi-irix6* )
 753     machine=iris4d opsys=irix6-0
 754     NON_GNU_CPP=/lib/cpp
 755     NON_GCC_TEST_OPTIONS=-32
 756   ;;
 757   mips-sgi-irix5.[01]* )
 758     machine=iris4d opsys=irix5-0
 759   ;;
 760   mips-sgi-irix5* | mips-sgi-irix* )
 761     machine=iris4d opsys=irix5-2
 762   ;;
 763
 764   ## SONY machines
 765   m68*-sony-bsd4.2* )
 766     machine=news opsys=bsd4-2
 767   ;;
 768   m68*-sony-bsd4.3* )
 769     machine=news opsys=bsd4-3
 770   ;;
 771   m68*-sony-newsos3* | m68*-sony-news3*)
 772     machine=news opsys=bsd4-3
 773   ;;
 774   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 775     machine=news-risc opsys=bsd4-3
 776   ;;
 777   mips-sony-newsos6* )
 778     machine=news-r6 opsys=newsos6
 779   ;;
 780   mips-sony-news* )
 781     machine=news-risc opsys=newsos5
 782   ;;
 783
 784   ## Stride
 785   m68*-stride-sysv* )
 786     machine=stride opsys=usg5-2
 787   ;;
 788
 789   ## Suns
 790   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 791     machine=sparc opsys=gnu-linux
 792   ;;
 793
 794   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 795     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 796     | rs6000-*-solaris2*)
 797     case "${canonical}" in
 798       m68*-sunos1* )    machine=sun1 ;;
 799       m68*-sunos2* )    machine=sun2 ;;
 800       m68* )            machine=sun3 ;;
 801       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 802       i[3456]86-*-* )     machine=intel386 ;;
 803       powerpcle* )      machine=powerpcle ;;
 804       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 805       sparc* )          machine=sparc ;;
 806       * )               unported=yes ;;
 807     esac
 808     case "${canonical}" in
 809       ## The Sun386 didn't get past 4.0.
 810       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 811       *-sunos4.0*         ) opsys=sunos4-0 ;;
 812       *-sunos4.1.[3-9]*noshare )
 813                 ## This name is sunos413 instead of sunos4-1-3
 814                 ## to avoid a file name conflict on MSDOS.
 815                 opsys=sunos413
 816                 NON_GNU_CPP=/usr/lib/cpp
 817                 NON_GCC_TEST_OPTIONS=-Bstatic
 818                 GCC_TEST_OPTIONS=-static
 819                 ;;
 820       *-sunos4.1.[3-9]* | *-sunos4shr*)
 821                 opsys=sunos4shr
 822                 NON_GNU_CPP=/usr/lib/cpp
 823                 ;;
 824       *-sunos4* | *-sunos )
 825                 opsys=sunos4-1
 826                 NON_GCC_TEST_OPTIONS=-Bstatic
 827                 GCC_TEST_OPTIONS=-static
 828                 ;;
 829       *-sunos5.3* | *-solaris2.3* )
 830                 opsys=sol2-3
 831                 NON_GNU_CPP=/usr/ccs/lib/cpp
 832                 ;;
 833       *-sunos5.4* | *-solaris2.4* )
 834                 opsys=sol2-4
 835                 NON_GNU_CPP=/usr/ccs/lib/cpp
 836                 RANLIB="ar -ts"
 837                 ;;
 838       *-sunos5.5* | *-solaris2.5* )
 839                 opsys=sol2-5
 840                 NON_GNU_CPP=/usr/ccs/lib/cpp
 841                 RANLIB="ar -ts"
 842                 ;;
 843       *-sunos5* | *-solaris* )
 844                 opsys=sol2-5
 845                 NON_GNU_CPP=/usr/ccs/lib/cpp
 846                 ;;
 847       *                   ) opsys=bsd4-2   ;;
 848     esac
 849     ## Watch out for a compiler that we know will not work.
 850     case "${canonical}" in
 851      *-solaris* | *-sunos5* )
 852                 if [ "x$CC" = x/usr/ucb/cc ]; then
 853                   ## /usr/ucb/cc doesn't work;
 854                   ## we should find some other compiler that does work.
 855                   unset CC
 856                 fi
 857                 ;;
 858       *) ;;
 859     esac
 860   ;;
 861   sparc-*-nextstep* )
 862     machine=sparc opsys=nextstep
 863   ;;
 864
 865   ## Tadpole 68k
 866   m68*-tadpole-sysv* )
 867     machine=tad68k opsys=usg5-3
 868   ;;
 869
 870   ## Tahoe machines
 871   tahoe-tahoe-bsd4.2* )
 872     machine=tahoe opsys=bsd4-2
 873   ;;
 874   tahoe-tahoe-bsd4.3* )
 875     machine=tahoe opsys=bsd4-3
 876   ;;
 877
 878   ## Tandem Integrity S2
 879   mips-tandem-sysv* )
 880     machine=tandem-s2 opsys=usg5-3
 881   ;;
 882
 883   ## Tektronix XD88
 884   m88k-tektronix-sysv3* )
 885   machine=tekxd88 opsys=usg5-3
 886   ;;
 887
 888   ## Tektronix 16000 box (6130?)
 889   ns16k-tektronix-bsd* )
 890     machine=ns16000 opsys=bsd4-2
 891   ;;
 892   ## Tektronix 4300
 893   ## src/m/tek4300.h hints that this is a m68k machine.
 894   m68*-tektronix-bsd* )
 895     machine=tek4300 opsys=bsd4-3
 896   ;;
 897
 898   ## Titan P2 or P3
 899   ## We seem to have lost the machine-description file titan.h!
 900   titan-titan-sysv* )
 901     machine=titan opsys=usg5-3
 902   ;;
 903
 904   ## Ustation E30 (SS5E)
 905   m68*-unisys-uniplus* )
 906     machine=ustation opsystem=unipl5-2
 907   ;;
 908
 909   ## Vaxen.
 910   vax-dec-* )
 911     machine=vax
 912     case "${canonical}" in
 913       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 914       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 915       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 916       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 917       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 918       *-vms* )                                          opsys=vms ;;
 919       * )                                               unported=yes
 920     esac
 921   ;;
 922
 923   ## Whitechapel MG1
 924   ns16k-whitechapel-* )
 925     machine=mg1
 926     ## We don't know what sort of OS runs on these; we'll let the
 927     ## operating system guessing code below try.
 928   ;;
 929
 930   ## Wicat
 931   m68*-wicat-sysv* )
 932     machine=wicat opsys=usg5-2
 933   ;;
 934
 935   ## Intel 386 machines where we don't care about the manufacturer
 936   i[3456]86-*-* )
 937     machine=intel386
 938     case "${canonical}" in
 939       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 940       *-isc2.2* )               opsys=isc2-2 ;;
 941       *-isc4.0* )               opsys=isc4-0 ;;
 942       *-isc4.* )                opsys=isc4-1
 943                                 GCC_TEST_OPTIONS=-posix
 944                                 NON_GCC_TEST_OPTIONS=-Xp
 945                                 ;;
 946       *-isc* )                  opsys=isc3-0 ;;
 947       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 948       *-esix* )                 opsys=esix ;;
 949       *-xenix* )                opsys=xenix ;;
 950       *-linux-gnu* )            opsys=gnu-linux ;;
 951       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 952       *-sco3.2v5* )             opsys=sco5
 953                                 NON_GNU_CPP=/lib/cpp
 954                                 # Prevent -belf from being passed to $CPP.
 955                                 # /lib/cpp does not accept it.
 956                                 OVERRIDE_CPPFLAGS=" "
 957                                 ;;
 958       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 959       *-386bsd* )               opsys=386bsd ;;
 960       *-freebsd* )              opsys=freebsd ;;
 961       *-nextstep* )             opsys=nextstep ;;
 962       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 963     esac
 964   ;;
 965
 966   ## m68k Linux-based GNU system
 967   m68k-*-linux-gnu* )
 968     machine=m68k opsys=gnu-linux
 969   ;;
 970
 971   ## Mips Linux-based GNU system
 972   mips-*-linux-gnu* )
 973     machine=mips opsys=gnu-linux
 974   ;;
 975
 976   ## UXP/DS
 977   sparc-fujitsu-sysv4* )
 978     machine=sparc opsys=uxpds
 979     NON_GNU_CPP=/usr/ccs/lib/cpp
 980     RANLIB="ar -ts"
 981   ;;
 982
 983   ## UXP/V
 984   f301-fujitsu-uxpv4.1)
 985     machine=f301 opsys=uxpv
 986   ;;
 987
 988   * )
 989     unported=yes
 990   ;;
 991 esac
 992
 993 ### If the code above didn't choose an operating system, just choose
 994 ### an operating system based on the configuration name.  You really
 995 ### only want to use this when you have no idea what the right
 996 ### operating system is; if you know what operating systems a machine
 997 ### runs, it's cleaner to make it explicit in the case statement
 998 ### above.
 999 if test x"${opsys}" = x; then
1000   case "${canonical}" in
1001     *-gnu* )                            opsys=gnu ;;
1002     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1003     *-bsd4.2 )                          opsys=bsd4-2 ;;
1004     *-bsd4.3 )                          opsys=bsd4-3 ;;
1005     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1006     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1007     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1008     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1009     *-sysv4.2uw* )                      opsys=unixware ;;
1010     *-sysv4.1* | *-sysvr4.1* )
1011         NON_GNU_CPP=/usr/lib/cpp
1012         opsys=usg5-4 ;;
1013     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1014         if [ x$NON_GNU_CPP = x ]; then
1015           if [ -f /usr/ccs/lib/cpp ]; then
1016             NON_GNU_CPP=/usr/ccs/lib/cpp
1017           else
1018             NON_GNU_CPP=/lib/cpp
1019           fi
1020         fi
1021         opsys=usg5-4-2 ;;
1022     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1023     * )
1024       unported=yes
1025     ;;
1026   esac
1027 fi
1028
1029 if test "x$RANLIB" = x; then
1030   RANLIB=ranlib
1031 fi
1032
1033 changequote([, ])dnl
1034
1035 if test $unported = yes; then
1036   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1037 Check \`etc/MACHINES' for recognized configuration names.])
1038 fi
1039
1040 machfile="m/${machine}.h"
1041 opsysfile="s/${opsys}.h"
1042
1043
1044 #### Choose a compiler.
1045 test -n "$CC" && cc_specified=yes
1046
1047 # Save the value of CFLAGS that the user specified.
1048 SPECIFIED_CFLAGS="$CFLAGS"
1049
1050 case ${with_gcc} in
1051   "yes" ) CC="gcc" GCC=yes ;;
1052   "no"  ) : ${CC=cc} ;;
1053   * ) AC_PROG_CC
1054 esac
1055
1056 # On Suns, sometimes $CPP names a directory.
1057 if test -n "$CPP" && test -d "$CPP"; then
1058   CPP=
1059 fi
1060
1061 #### Some systems specify a CPP to use unless we are using GCC.
1062 #### Now that we know whether we are using GCC, we can decide whether
1063 #### to use that one.
1064 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1065 then
1066   CPP="$NON_GNU_CPP"
1067 fi
1068
1069 #### Some systems specify a CC to use unless we are using GCC.
1070 #### Now that we know whether we are using GCC, we can decide whether
1071 #### to use that one.
1072 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1073   test x$cc_specified != xyes
1074 then
1075   CC="$NON_GNU_CC"
1076 fi
1077
1078 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1079 then
1080   CC="$CC $GCC_TEST_OPTIONS"
1081 fi
1082
1083 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1084 then
1085   CC="$CC $NON_GCC_TEST_OPTIONS"
1086 fi
1087
1088 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1089 then
1090   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1091 fi
1092
1093 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1094 then
1095   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1096 fi
1097
1098 #### Some other nice autoconf tests.  If you add a test here which
1099 #### should make an entry in src/config.h, don't forget to add an
1100 #### #undef clause to src/config.h.in for autoconf to modify.
1101
1102 dnl checks for programs
1103 AC_PROG_LN_S
1104 AC_PROG_CPP
1105 AC_PROG_INSTALL
1106 AC_PROG_YACC
1107
1108 dnl checks for Unix variants
1109 AC_AIX
1110
1111 # Sound support for GNU/Linux and the free BSDs.
1112 if test "${with_sound}" = ""; then
1113   with_sound=no
1114 fi
1115 if test "${with_sound}" != "no"; then
1116   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1117 fi
1118
1119 dnl checks for header files
1120 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 string.h stdlib.h termcap.h)
1121 AC_HEADER_STDC
1122 AC_HEADER_TIME
1123 AC_DECL_SYS_SIGLIST
1124
1125 dnl Some systems have utime.h but don't declare the struct anyplace.
1126 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1127 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1128 #include <sys/time.h>
1129 #include <time.h>
1130 #else
1131 #ifdef HAVE_SYS_TIME_H
1132 #include <sys/time.h>
1133 #else
1134 #include <time.h>
1135 #endif
1136 #endif
1137 #ifdef HAVE_UTIME_H
1138 #include <utime.h>
1139 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1140   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1141 if test $emacs_cv_struct_utimbuf = yes; then
1142   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1143 fi
1144
1145 dnl checks for typedefs
1146 AC_TYPE_SIGNAL
1147
1148 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1149 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1150 #include <sys/time.h>
1151 #include <time.h>
1152 #else
1153 #ifdef HAVE_SYS_TIME_H
1154 #include <sys/time.h>
1155 #else
1156 #include <time.h>
1157 #endif
1158 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1159   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1160 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1161 if test $emacs_cv_struct_timeval = yes; then
1162   AC_DEFINE(HAVE_TIMEVAL)
1163 fi
1164
1165 dnl checks for structure members
1166 AC_STRUCT_TM
1167 AC_STRUCT_TIMEZONE
1168
1169 dnl checks for compiler characteristics
1170 AC_C_CONST
1171
1172 dnl check for Make feature
1173 AC_PROG_MAKE_SET
1174
1175 dnl checks for operating system services
1176 AC_SYS_LONG_FILE_NAMES
1177
1178 #### Choose a window system.
1179
1180 AC_PATH_X
1181 if test "$no_x" = yes; then
1182   window_system=none
1183 else
1184   window_system=x11
1185 fi
1186
1187 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1188   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1189   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1190   x_default_search_path=""
1191   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1192     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1193 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1194 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1195 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1196     if test x"${x_default_search_path}" = x; then
1197       x_default_search_path=${x_search_path}
1198     else
1199       x_default_search_path="${x_search_path}:${x_default_search_path}"
1200     fi
1201   done
1202 fi
1203 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1204   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1205 fi
1206
1207 if test x"${x_includes}" = x; then
1208   bitmapdir=/usr/include/X11/bitmaps
1209 else
1210   # accumulate include directories that have X11 bitmap subdirectories
1211   bmd_acc="dummyval"
1212   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1213     if test -d "${bmd}/X11/bitmaps"; then
1214       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1215     elif test -d "${bmd}/bitmaps"; then
1216       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1217     fi
1218   done
1219   if test ${bmd_acc} != "dummyval"; then
1220     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1221   fi
1222 fi
1223
1224 case "${window_system}" in
1225   x11 )
1226     HAVE_X_WINDOWS=yes
1227     HAVE_X11=yes
1228     case "${with_x_toolkit}" in
1229       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1230       motif ) USE_X_TOOLKIT=MOTIF ;;
1231 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1232       no ) USE_X_TOOLKIT=none ;;
1233 dnl If user did not say whether to use a toolkit,
1234 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1235       * ) USE_X_TOOLKIT=maybe ;;
1236     esac
1237   ;;
1238   none )
1239     HAVE_X_WINDOWS=no
1240     HAVE_X11=no
1241     USE_X_TOOLKIT=none
1242   ;;
1243 esac
1244
1245 ### If we're using X11, we should use the X menu package.
1246 HAVE_MENUS=no
1247 case ${HAVE_X11} in
1248   yes ) HAVE_MENUS=yes ;;
1249 esac
1250
1251 if test "${opsys}" = "hpux9"; then
1252   case "${x_libraries}" in
1253     *X11R4* )
1254       opsysfile="s/hpux9-x11r4.h"
1255       ;;
1256   esac
1257 fi
1258
1259 if test "${opsys}" = "hpux9shr"; then
1260   case "${x_libraries}" in
1261     *X11R4* )
1262       opsysfile="s/hpux9shxr4.h"
1263       ;;
1264   esac
1265 fi
1266
1267 #### Extract some information from the operating system and machine files.
1268
1269 AC_CHECKING([the machine- and system-dependent files to find out
1270  - which libraries the lib-src programs will want, and
1271  - whether the GNU malloc routines are usable])
1272
1273 ### First figure out CFLAGS (which we use for running the compiler here)
1274 ### and REAL_CFLAGS (which we use for real compilation).
1275 ### The two are the same except on a few systems, where they are made
1276 ### different to work around various lossages.  For example,
1277 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1278 ### as implying static linking.
1279
1280 ### If the CFLAGS env var is specified, we use that value
1281 ### instead of the default.
1282
1283 ### It's not important that this name contain the PID; you can't run
1284 ### two configures in the same directory and have anything work
1285 ### anyway.
1286 tempcname="conftest.c"
1287
1288 echo '
1289 #include "'${srcdir}'/src/'${opsysfile}'"
1290 #include "'${srcdir}'/src/'${machfile}'"
1291 #ifndef LIBS_MACHINE
1292 #define LIBS_MACHINE
1293 #endif
1294 #ifndef LIBS_SYSTEM
1295 #define LIBS_SYSTEM
1296 #endif
1297 #ifndef C_SWITCH_SYSTEM
1298 #define C_SWITCH_SYSTEM
1299 #endif
1300 #ifndef C_SWITCH_MACHINE
1301 #define C_SWITCH_MACHINE
1302 #endif
1303 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1304 configure___ c_switch_system=C_SWITCH_SYSTEM
1305 configure___ c_switch_machine=C_SWITCH_MACHINE
1306
1307 #ifndef LIB_X11_LIB
1308 #define LIB_X11_LIB -lX11
1309 #endif
1310
1311 #ifndef LIBX11_MACHINE
1312 #define LIBX11_MACHINE
1313 #endif
1314
1315 #ifndef LIBX11_SYSTEM
1316 #define LIBX11_SYSTEM
1317 #endif
1318 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1319
1320 #ifdef UNEXEC
1321 configure___ unexec=UNEXEC
1322 #else
1323 configure___ unexec=unexec.o
1324 #endif
1325
1326 #ifdef SYSTEM_MALLOC
1327 configure___ system_malloc=yes
1328 #else
1329 configure___ system_malloc=no
1330 #endif
1331
1332 #ifndef C_DEBUG_SWITCH
1333 #define C_DEBUG_SWITCH -g
1334 #endif
1335
1336 #ifndef C_OPTIMIZE_SWITCH
1337 #define C_OPTIMIZE_SWITCH -O
1338 #endif
1339
1340 #ifndef LD_SWITCH_MACHINE
1341 #define LD_SWITCH_MACHINE
1342 #endif
1343
1344 #ifndef LD_SWITCH_SYSTEM
1345 #define LD_SWITCH_SYSTEM
1346 #endif
1347
1348 #ifndef LD_SWITCH_X_SITE_AUX
1349 #define LD_SWITCH_X_SITE_AUX
1350 #endif
1351
1352 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1353 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1354
1355 #ifdef THIS_IS_CONFIGURE
1356
1357 /* Get the CFLAGS for tests in configure.  */
1358 #ifdef __GNUC__
1359 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1360 #else
1361 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1362 #endif
1363
1364 #else /* not THIS_IS_CONFIGURE */
1365
1366 /* Get the CFLAGS for real compilation.  */
1367 #ifdef __GNUC__
1368 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1369 #else
1370 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1371 #endif
1372
1373 #endif /* not THIS_IS_CONFIGURE */
1374 ' > ${tempcname}
1375
1376 # The value of CPP is a quoted variable reference, so we need to do this
1377 # to get its actual value...
1378 CPP=`eval "echo $CPP"`
1379 changequote(, )dnl
1380 eval `${CPP} -Isrc ${tempcname} \
1381        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1382 if test "x$SPECIFIED_CFLAGS" = x; then
1383   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1384          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1385 else
1386   REAL_CFLAGS="$CFLAGS"
1387 fi
1388 changequote([, ])dnl
1389 rm ${tempcname}
1390
1391 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1392
1393 ### Compute the unexec source name from the object name.
1394 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1395
1396 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1397 # Assume not, until told otherwise.
1398 GNU_MALLOC=yes
1399 doug_lea_malloc=yes
1400 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1401 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1402 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1403                emacs_cv_var___after_morecore_hook,
1404 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1405   emacs_cv_var___after_morecore_hook=yes,
1406   emacs_cv_var___after_morecore_hook=no))
1407 if test $emacs_cv_var___after_morecore_hook = no; then
1408   doug_lea_malloc=no
1409 fi
1410 if test "${system_malloc}" = "yes"; then
1411   GNU_MALLOC=no
1412   GNU_MALLOC_reason="
1413     (The GNU allocators don't work with this system configuration.)"
1414 fi
1415 if test "$doug_lea_malloc" = "yes" ; then
1416   if test "$GNU_MALLOC" = yes ; then
1417     GNU_MALLOC_reason="
1418       (Using Doug Lea's new malloc from the GNU C Library.)"
1419   fi
1420   AC_DEFINE(DOUG_LEA_MALLOC)
1421 fi
1422
1423 if test x"${REL_ALLOC}" = x; then
1424   REL_ALLOC=${GNU_MALLOC}
1425 fi
1426
1427 LISP_FLOAT_TYPE=yes
1428
1429
1430 #### Add the libraries to LIBS and check for some functions.
1431
1432 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1433   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1434 else
1435   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1436 fi
1437
1438 LIBS="$libsrc_libs $LIBS"
1439
1440 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1441 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1442 AC_CHECK_LIB(dnet, dnet_ntoa)
1443 dnl This causes -lresolv to get used in subsequent tests,
1444 dnl which causes failures on some systems such as HPUX 9.
1445 dnl AC_CHECK_LIB(resolv, gethostbyname)
1446
1447 dnl FIXME replace main with a function we actually want from this library.
1448 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1449
1450 AC_CHECK_LIB(pthreads, cma_open)
1451
1452 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1453 if test -d /usr/X386/include; then
1454   HAVE_XFREE386=yes
1455   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1456 else
1457   HAVE_XFREE386=no
1458 fi
1459 AC_MSG_RESULT($HAVE_XFREE386)
1460
1461 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1462 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1463
1464 if test "${HAVE_X11}" = "yes"; then
1465   DEFS="$C_SWITCH_X_SITE $DEFS"
1466   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1467   LIBS="$LIBX $LIBS"
1468   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1469
1470   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1471   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1472   # but it's more convenient here to set LD_RUN_PATH
1473   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1474   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1475     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1476     export LD_RUN_PATH
1477   fi
1478
1479   if test "${opsys}" = "gnu-linux"; then
1480     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1481     AC_TRY_LINK([],
1482      [XOpenDisplay ("foo");],
1483      [xlinux_first_failure=no],
1484      [xlinux_first_failure=yes])
1485     if test "${xlinux_first_failure}" = "yes"; then
1486       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1487       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1488       OLD_CPPFLAGS="$CPPFLAGS"
1489       OLD_LIBS="$LIBS"
1490       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1491       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1492       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1493       LIBS="$LIBS -b i486-linuxaout"
1494       AC_TRY_LINK([],
1495        [XOpenDisplay ("foo");],
1496        [xlinux_second_failure=no],
1497        [xlinux_second_failure=yes])
1498       if test "${xlinux_second_failure}" = "yes"; then
1499         # If we get the same failure with -b, there is no use adding -b.
1500         # So take it out.  This plays safe.
1501         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1502         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1503         CPPFLAGS="$OLD_CPPFLAGS"
1504         LIBS="$OLD_LIBS"
1505         AC_MSG_RESULT(no)
1506       else
1507         AC_MSG_RESULT(yes)
1508       fi
1509     else
1510       AC_MSG_RESULT(no)
1511     fi
1512   fi
1513
1514   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1515 XScreenNumberOfScreen XSetWMProtocols)
1516 fi
1517
1518 if test "${window_system}" = "x11"; then
1519   AC_MSG_CHECKING(X11 version 6)
1520   AC_CACHE_VAL(emacs_cv_x11_version_6,
1521   AC_TRY_LINK([#include <X11/Xlib.h>],
1522 [#if XlibSpecificationRelease < 6
1523 fail;
1524 #endif
1525 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1526   if test $emacs_cv_x11_version_6 = yes; then
1527     AC_MSG_RESULT(6 or newer)
1528     AC_DEFINE(HAVE_X11R6)
1529   else
1530     AC_MSG_RESULT(before 6)
1531   fi
1532 fi
1533
1534 if test "${window_system}" = "x11"; then
1535   AC_MSG_CHECKING(X11 version 5)
1536   AC_CACHE_VAL(emacs_cv_x11_version_5,
1537   AC_TRY_LINK([#include <X11/Xlib.h>],
1538 [#if XlibSpecificationRelease < 5
1539 fail;
1540 #endif
1541 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1542   if test $emacs_cv_x11_version_5 = yes; then
1543     AC_MSG_RESULT(5 or newer)
1544     HAVE_X11R5=yes
1545     AC_DEFINE(HAVE_X11R5)
1546   else
1547     HAVE_X11R5=no
1548     AC_MSG_RESULT(before 5)
1549   fi
1550 fi
1551
1552 dnl Do not put whitespace before the #include statements below.
1553 dnl Older compilers (eg sunos4 cc) choke on it.
1554 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1555   if test x"${HAVE_X11R5}" = xyes; then
1556     AC_MSG_CHECKING(X11 version 5 with Xaw)
1557     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1558     AC_TRY_LINK([
1559 #include <X11/Intrinsic.h>
1560 #include <X11/Xaw/Simple.h>],
1561       [],
1562       emacs_cv_x11_version_5_with_xaw=yes,
1563       emacs_cv_x11_version_5_with_xaw=no))
1564     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1565       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1566       USE_X_TOOLKIT=LUCID
1567     else
1568       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1569       USE_X_TOOLKIT=none
1570     fi
1571   else
1572     USE_X_TOOLKIT=none
1573   fi
1574 fi
1575
1576 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1577
1578 if test "${USE_X_TOOLKIT}" != "none"; then
1579   AC_MSG_CHECKING(X11 toolkit version)
1580   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1581   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1582 [#if XtSpecificationRelease < 6
1583 fail;
1584 #endif
1585 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1586   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1587   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1588     AC_MSG_RESULT(6 or newer)
1589     AC_DEFINE(HAVE_X11XTR6)
1590   else
1591     AC_MSG_RESULT(before 6)
1592   fi
1593
1594 dnl If using toolkit, check whether libXmu.a exists.
1595 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1596   OLDLIBS="$LIBS"
1597   if test x$HAVE_X11XTR6 = xyes; then
1598     LIBS="-lXt -lSM -lICE $LIBS"
1599   else
1600     LIBS="-lXt $LIBS"
1601   fi
1602   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1603   LIBS="$OLDLIBS"
1604 fi
1605
1606 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1607   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1608   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1609     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1610 int x = 5;
1611 #else
1612 Motif version prior to 2.1.
1613 #endif],
1614     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1615   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1616   if test $emacs_cv_motif_version_2_1 = yes; then
1617     AC_DEFINE(HAVE_MOTIF_2_1)
1618     AC_CHECK_LIB(Xp, XpCreateContext)
1619   fi
1620 fi
1621
1622 ### Is -lXaw3d available?
1623 HAVE_XAW3D=no
1624 if test "${HAVE_X11}" = "yes"; then
1625   if test "${USE_X_TOOLKIT}" != "none"; then
1626     old_c_flags="${CFLAGS}"
1627     CFLAGS="${LD_SWITCH_X_SITE}"
1628     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1629         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1630     CFLAGS="${old_c_flags}"
1631
1632     if test "${HAVE_XAW3D}" = "yes"; then
1633         AC_DEFINE(HAVE_XAW3D)
1634     fi
1635   fi
1636 fi
1637
1638 dnl Use toolkit scroll bars if configured for X toolkit and either
1639 dnl using Motif or Xaw3d is available, and unless
1640 dnl --with-toolkit-scroll-bars=no was specified.
1641
1642 USE_TOOLKIT_SCROLL_BARS=no
1643 if test "${with_toolkit_scroll_bars}" != "no"; then
1644   if test "${USE_X_TOOLKIT}" != "none"; then
1645     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1646       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1647       HAVE_XAW3D=no
1648       USE_TOOLKIT_SCROLL_BARS=yes
1649     elif test "${HAVE_XAW3D}" = "yes"; then
1650       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1651       USE_TOOLKIT_SCROLL_BARS=yes
1652     fi
1653   fi
1654 fi
1655
1656 ### Use -lXpm if available, unless `--with-xpm=no'.
1657 HAVE_XPM=no
1658 if test "${HAVE_X11}" = "yes"; then
1659   if test "${with_xpm}" != "no"; then
1660     old_c_flags="${CFLAGS}"
1661     CFLAGS="${LD_SWITCH_X_SITE}"
1662     AC_CHECK_HEADER(X11/xpm.h,
1663       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1664     CFLAGS="${old_c_flags}"
1665   fi
1666
1667   if test "${HAVE_XPM}" = "yes"; then
1668     AC_DEFINE(HAVE_XPM)
1669   fi
1670 fi
1671
1672 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1673 HAVE_JPEG=no
1674 if test "${HAVE_X11}" = "yes"; then
1675   if test "${with_jpeg}" != "no"; then
1676     old_c_flags="${CFLAGS}"
1677     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1678     AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11)
1679     CFLAGS="${old_c_flags}"
1680   fi
1681
1682   if test "${HAVE_JPEG}" = "yes"; then
1683     AC_DEFINE(HAVE_JPEG)
1684   fi
1685 fi
1686
1687 ### Use -lpng if available, unless `--with-png=no'.
1688 HAVE_PNG=no
1689 if test "${HAVE_X11}" = "yes"; then
1690   if test "${with_png}" != "no"; then
1691     old_c_flags="${CFLAGS}"
1692     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1693     AC_CHECK_HEADER(png.h,
1694       AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1695     CFLAGS="${old_c_flags}"
1696   fi
1697
1698   if test "${HAVE_PNG}" = "yes"; then
1699     AC_DEFINE(HAVE_PNG)
1700   fi
1701 fi
1702
1703 ### Use -ltiff if available, unless `--with-tiff=no'.
1704 HAVE_TIFF=no
1705 if test "${HAVE_X11}" = "yes"; then
1706   if test "${with_tiff}" != "no"; then
1707     old_c_flags="${CFLAGS}"
1708     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1709     AC_CHECK_HEADER(tiffio.h,
1710       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11 -lm))
1711     CFLAGS="${old_c_flags}"
1712   fi
1713
1714   if test "${HAVE_TIFF}" = "yes"; then
1715     AC_DEFINE(HAVE_TIFF)
1716   fi
1717 fi
1718
1719 ### Use -lgif if available, unless `--with-gif=no'.
1720 HAVE_GIF=no
1721 if test "${HAVE_X11}" = "yes"; then
1722   if test "${with_gif}" != "no"; then
1723     old_c_flags="${CFLAGS}"
1724     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1725     AC_CHECK_HEADER(gif_lib.h,
1726       AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
1727     CFLAGS="${old_c_flags}"
1728   fi
1729
1730   if test "${HAVE_GIF}" = "yes"; then
1731     AC_DEFINE(HAVE_GIF)
1732   fi
1733 fi
1734
1735 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1736 AC_CACHE_CHECK(whether netdb declares h_errno,
1737                emacs_cv_netdb_declares_h_errno,
1738 AC_TRY_LINK([#include <netdb.h>],
1739   [return h_errno;],
1740   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1741 if test $emacs_cv_netdb_declares_h_errno = yes; then
1742   AC_DEFINE(HAVE_H_ERRNO)
1743 fi
1744
1745 AC_FUNC_ALLOCA
1746
1747 # fmod, logb, and frexp are found in -lm on most systems.
1748 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1749 AC_CHECK_LIB(m, sqrt)
1750
1751 # Check for mail-locking functions in a "mail" library
1752 AC_CHECK_LIB(mail, maillock)
1753 dnl Debian, at least:
1754 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1755 AC_CHECK_LIB(lockfile, maillock)
1756 # If we have the shared liblockfile, assume we must use it for mail
1757 # locking (e.g. Debian).  If we couldn't link against liblockfile
1758 # (no liblockfile.a installed), ensure that we don't need to.
1759 if test "$ac_cv_lib_lockfile_maillock" = no; then
1760   dnl This works for files generally, not just executables.
1761   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1762   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1763                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1764   if test $ac_cv_prog_liblockfile = yes; then
1765     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1766 This probably means that movemail could lose mail.
1767 There may be a \`development' package to install containing liblockfile.])
1768   else AC_DEFINE(LIBMAIL, -llockfile)
1769   fi
1770   else :
1771 fi
1772 AC_CHECK_FUNCS(touchlock)
1773 AC_CHECK_HEADERS(maillock.h)
1774
1775 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1776 rename closedir mkdir rmdir sysinfo \
1777 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1778 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1779 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo)
1780
1781 # Check this now, so that we will NOT find the above functions in ncurses.
1782 # That is because we have not set up to link ncurses in lib-src.
1783 # It's better to believe a function is not available
1784 # than to expect to find it in ncurses.
1785 AC_CHECK_LIB(ncurses, tparm)
1786
1787 # Solaris requires -lintl if you want strerror (which calls dgettext)
1788 # to return localized messages.
1789 AC_CHECK_LIB(intl, dgettext)
1790
1791 AC_MSG_CHECKING(whether localtime caches TZ)
1792 AC_CACHE_VAL(emacs_cv_localtime_cache,
1793 [if test x$ac_cv_func_tzset = xyes; then
1794 AC_TRY_RUN([#include <time.h>
1795 #if STDC_HEADERS
1796 # include <stdlib.h>
1797 #endif
1798 extern char **environ;
1799 unset_TZ ()
1800 {
1801   char **from, **to;
1802   for (to = from = environ; (*to = *from); from++)
1803     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1804       to++;
1805 }
1806 char TZ_GMT0[] = "TZ=GMT0";
1807 char TZ_PST8[] = "TZ=PST8";
1808 main()
1809 {
1810   time_t now = time ((time_t *) 0);
1811   int hour_GMT0, hour_unset;
1812   if (putenv (TZ_GMT0) != 0)
1813     exit (1);
1814   hour_GMT0 = localtime (&now)->tm_hour;
1815   unset_TZ ();
1816   hour_unset = localtime (&now)->tm_hour;
1817   if (putenv (TZ_PST8) != 0)
1818     exit (1);
1819   if (localtime (&now)->tm_hour == hour_GMT0)
1820     exit (1);
1821   unset_TZ ();
1822   if (localtime (&now)->tm_hour != hour_unset)
1823     exit (1);
1824   exit (0);
1825 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1826 [# If we have tzset, assume the worst when cross-compiling.
1827 emacs_cv_localtime_cache=yes])
1828 else
1829         # If we lack tzset, report that localtime does not cache TZ,
1830         # since we can't invalidate the cache if we don't have tzset.
1831         emacs_cv_localtime_cache=no
1832 fi])dnl
1833 AC_MSG_RESULT($emacs_cv_localtime_cache)
1834 if test $emacs_cv_localtime_cache = yes; then
1835   AC_DEFINE(LOCALTIME_CACHE)
1836 fi
1837
1838 if test "x$HAVE_TIMEVAL" = xyes; then
1839 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1840                emacs_cv_gettimeofday_two_arguments,
1841 AC_TRY_LINK([
1842 #ifdef TIME_WITH_SYS_TIME
1843 #include <sys/time.h>
1844 #include <time.h>
1845 #else
1846 #ifdef HAVE_SYS_TIME_H
1847 #include <sys/time.h>
1848 #else
1849 #include <time.h>
1850 #endif
1851 #endif
1852   ],
1853   [
1854   struct timeval time;
1855   struct timezone dummy;
1856   gettimeofday (&time, &dummy);
1857 ],
1858   emacs_cv_gettimeofday_two_arguments=yes,
1859   emacs_cv_gettimeofday_two_arguments=no))
1860   if test $emacs_cv_gettimeofday_two_arguments = no; then
1861     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1862   fi
1863 fi
1864
1865 ok_so_far=yes
1866 AC_CHECK_FUNC(socket, , ok_so_far=no)
1867 if test $ok_so_far = yes; then
1868   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1869 fi
1870 if test $ok_so_far = yes; then
1871   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1872 fi
1873 if test $ok_so_far = yes; then
1874   AC_DEFINE(HAVE_INET_SOCKETS)
1875 fi
1876
1877 if test -f /usr/lpp/X11/bin/smt.exp; then
1878   AC_DEFINE(HAVE_AIX_SMT_EXP)
1879 fi
1880
1881 # Set up the CFLAGS for real compilation, so we can substitute it.
1882 CFLAGS="$REAL_CFLAGS"
1883
1884 changequote(, )dnl
1885 #### Find out which version of Emacs this is.
1886 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1887          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1888 changequote([, ])dnl
1889 if test x"${version}" = x; then
1890   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1891 fi
1892
1893 ### Specify what sort of things we'll be editing into Makefile and config.h.
1894 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1895 AC_SUBST(version)
1896 AC_SUBST(configuration)
1897 AC_SUBST(canonical)
1898 AC_SUBST(srcdir)
1899 AC_SUBST(prefix)
1900 AC_SUBST(exec_prefix)
1901 AC_SUBST(bindir)
1902 AC_SUBST(datadir)
1903 AC_SUBST(sharedstatedir)
1904 AC_SUBST(libexecdir)
1905 AC_SUBST(mandir)
1906 AC_SUBST(infodir)
1907 AC_SUBST(lispdir)
1908 AC_SUBST(locallisppath)
1909 AC_SUBST(lisppath)
1910 AC_SUBST(x_default_search_path)
1911 AC_SUBST(etcdir)
1912 AC_SUBST(archlibdir)
1913 AC_SUBST(docdir)
1914 AC_SUBST(bitmapdir)
1915 AC_SUBST(c_switch_system)
1916 AC_SUBST(c_switch_machine)
1917 AC_SUBST(LD_SWITCH_X_SITE)
1918 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1919 AC_SUBST(C_SWITCH_X_SITE)
1920 AC_SUBST(CFLAGS)
1921 AC_SUBST(X_TOOLKIT_TYPE)
1922 AC_SUBST(machfile)
1923 AC_SUBST(opsysfile)
1924 AC_SUBST(RANLIB)
1925
1926 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1927 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1928 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1929 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1930 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1931 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1932 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1933 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1934
1935 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1936   AC_DEFINE(HAVE_X_WINDOWS)
1937 fi
1938 if test "${USE_X_TOOLKIT}" != "none" ; then
1939   AC_DEFINE(USE_X_TOOLKIT)
1940 fi
1941 if test "${HAVE_X11}" = "yes" ; then
1942   AC_DEFINE(HAVE_X11)
1943 fi
1944 if test "${HAVE_XFREE386}" = "yes" ; then
1945   AC_DEFINE(HAVE_XFREE386)
1946 fi
1947 if test "${HAVE_MENUS}" = "yes" ; then
1948   AC_DEFINE(HAVE_MENUS)
1949 fi
1950 if test "${GNU_MALLOC}" = "yes" ; then
1951   AC_DEFINE(GNU_MALLOC)
1952 fi
1953 if test "${REL_ALLOC}" = "yes" ; then
1954   AC_DEFINE(REL_ALLOC)
1955 fi
1956 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1957   AC_DEFINE(LISP_FLOAT_TYPE)
1958 fi
1959
1960 #### Report on what we decided to do.
1961 echo "
1962 Configured for \`${canonical}'.
1963
1964   Where should the build process find the source code?    ${srcdir}
1965   What operating system and machine description files should Emacs use?
1966         \`${opsysfile}' and \`${machfile}'
1967   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1968   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1969   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1970   What window system should Emacs use?                    ${window_system}
1971   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1972
1973 if test -n "${x_includes}"; then
1974 echo "  Where do we find X Windows header files?                ${x_includes}"
1975 else
1976 echo "  Where do we find X Windows header files?                Standard dirs"
1977 fi
1978 if test -n "${x_libraries}"; then
1979 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1980 else
1981 echo "  Where do we find X Windows libraries?                   Standard dirs"
1982 fi
1983
1984 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
1985 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
1986 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
1987 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
1988 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
1989 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
1990 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
1991 echo
1992
1993 # Remove any trailing slashes in these variables.
1994 changequote(, )dnl
1995 test "${prefix}" != NONE &&
1996   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1997 test "${exec_prefix}" != NONE &&
1998   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1999 changequote([, ])dnl
2000
2001 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2002         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2003         leim/Makefile, [
2004
2005 ### Make the necessary directories, if they don't exist.
2006 for dir in etc lisp ; do
2007   test -d ${dir} || mkdir ${dir}
2008 done
2009
2010 # Build src/Makefile from ${srcdir}/src/Makefile.c
2011 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2012 # This must be done after src/config.h is built, since we rely on that file.
2013
2014 changequote(, )dnl The horror, the horror.
2015 # Now get this: Some word that is part of the ${srcdir} directory name
2016 # or the ${configuration} value might, just might, happen to be an
2017 # identifier like `sun4' or `i386' or something, and be predefined by
2018 # the C preprocessor to some helpful value like 1, or maybe the empty
2019 # string.  Needless to say consequent macro substitutions are less
2020 # than conducive to the makefile finding the correct directory.
2021 undefs="`echo $top_srcdir $configuration $canonical |
2022 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2023     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2024 `"
2025 changequote([, ])dnl
2026
2027 echo creating src/epaths.h
2028 make epaths-force
2029
2030 echo creating lib-src/Makefile
2031 ( cd lib-src
2032   rm -f junk.c junk1.c junk2.c
2033   sed -e '/start of cpp stuff/q' \
2034       < Makefile.c > junk1.c
2035   sed -e '1,/start of cpp stuff/d'\
2036       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2037       < Makefile.c > junk.c
2038   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2039       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2040   cat junk1.c junk2.c > Makefile.new
2041   rm -f junk.c junk1.c junk2.c
2042   chmod 444 Makefile.new
2043   mv -f Makefile.new Makefile
2044 )
2045
2046 echo creating src/Makefile
2047 ( cd src
2048   rm -f junk.c junk1.c junk2.c
2049   sed -e '/start of cpp stuff/q' \
2050       < Makefile.c > junk1.c
2051   sed -e '1,/start of cpp stuff/d'\
2052       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2053       < Makefile.c > junk.c
2054   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2055       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2056   cat junk1.c junk2.c > Makefile.new
2057   rm -f junk.c junk1.c junk2.c
2058   chmod 444 Makefile.new
2059   mv -f Makefile.new Makefile
2060 )
2061
2062 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2063   echo creating src/.gdbinit
2064   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2065 fi
2066
2067 # This is how we know whether to re-run configure in certain cases.
2068 touch src/config.stamp
2069
2070 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])