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 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  39 AC_ARG_WITH(pop,
  40 [  --without-pop           don't support POP mail retrieval with movemail],
  41 [if test "$withval" = yes; then
  42    AC_DEFINE(MAIL_USE_POP)
  43 else :
  44 fi])
  45 AC_ARG_WITH(hesiod,
  46 [  --with-hesiod           support Hesiod to get the POP server host],
  47 [AC_DEFINE(HESIOD)])
  48 dnl This should be the last --with option, because --with-x is
  49 dnl added later on when we find the path of X, and it's best to
  50 dnl keep them together visually.
  51 AC_ARG_WITH(x-toolkit,
  52 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  53 [         case "${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 AC_ARG_WITH(xpm,
  73 [  --with-xpm              use -lXpm for displaying XPM images])
  74 AC_ARG_WITH(jpeg,
  75 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  76 AC_ARG_WITH(tiff,
  77 [  --with-tiff             use -ltiff for displaying TIFF images])
  78 AC_ARG_WITH(gif,
  79 [  --with-gif              use -lungif for displaying GIF images])
  80 AC_ARG_WITH(png,
  81 [  --with-png              use -lpng for displaying PNG images])
  82 AC_ARG_WITH(toolkit-scroll-bars,
  83 [  --without-toolkit-scroll-bars  don't use Motif or Xaw3d scroll bars])
  84
  85 #### Make srcdir absolute, if it isn't already.  It's important to
  86 #### avoid running the path through pwd unnecessary, since pwd can
  87 #### give you automounter prefixes, which can go away.  We do all this
  88 #### so Emacs can find its files when run uninstalled.
  89 case "${srcdir}" in
  90   /* ) ;;
  91   . )
  92     ## We may be able to use the $PWD environment variable to make this
  93     ## absolute.  But sometimes PWD is inaccurate.
  94     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  95     unset CDPATH
  96     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  97     then
  98       srcdir="$PWD"
  99     else
 100       srcdir="`(cd ${srcdir}; pwd)`"
 101     fi
 102   ;;
 103   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 104 esac
 105
 106 #### Check if the source directory already has a configured system in it.
 107 if test `pwd` != `(cd ${srcdir} && pwd)` \
 108    && test -f "${srcdir}/src/config.h" ; then
 109   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 110    as a build directory right now; it has been configured in its own
 111    right.  To configure in another directory as well, you MUST
 112    use GNU make.  If you do not have GNU make, then you must
 113    now do \`make distclean' in ${srcdir},
 114    and then run $0 again.])
 115
 116 changequote(, )dnl
 117   extrasub='/^VPATH[     ]*=/c\
 118 changequote([, ])dnl
 119 vpath %.c $(srcdir)\
 120 vpath %.h $(srcdir)\
 121 vpath %.y $(srcdir)\
 122 vpath %.l $(srcdir)\
 123 vpath %.s $(srcdir)\
 124 vpath %.in $(srcdir)\
 125 vpath %.texi $(srcdir)'
 126 fi
 127
 128 #### Given the configuration name, set machfile and opsysfile to the
 129 #### names of the m/*.h and s/*.h files we should use.
 130
 131 ### Canonicalize the configuration name.
 132
 133 AC_CANONICAL_HOST
 134 canonical=$host
 135 configuration=$host_alias
 136
 137 changequote(, )dnl
 138
 139 ### If you add support for a new configuration, add code to this
 140 ### switch statement to recognize your configuration name and select
 141 ### the appropriate operating system and machine description files.
 142
 143 ### You would hope that you could choose an m/*.h file pretty much
 144 ### based on the machine portion of the configuration name, and an s-
 145 ### file based on the operating system portion.  However, it turns out
 146 ### that each m/*.h file is pretty manufacturer-specific - for
 147 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 148 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 149 ### machines.  So we basically have to have a special case for each
 150 ### configuration name.
 151 ###
 152 ### As far as handling version numbers on operating systems is
 153 ### concerned, make sure things will fail in a fixable way.  If
 154 ### /etc/MACHINES doesn't say anything about version numbers, be
 155 ### prepared to handle anything reasonably.  If version numbers
 156 ### matter, be sure /etc/MACHINES says something about it.
 157 ###
 158 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 159 ### "System V Release 4"; he writes, "The old convention encouraged
 160 ### confusion between `system' and `release' levels'."
 161
 162 machine='' opsys='' unported=no
 163 case "${canonical}" in
 164
 165   ## NetBSD ports
 166   *-*-netbsd* )
 167     opsys=netbsd
 168     case "${canonical}" in
 169       alpha*-*-netbsd*) machine=alpha ;;
 170       i[3456]86-*-netbsd*) machine=intel386 ;;
 171       m68k-*-netbsd*)
 172                         # This is somewhat bogus.
 173                         machine=hp9000s300 ;;
 174       powerpc-apple-netbsd*) machine=macppc ;;
 175       mips-*-netbsd*)   machine=pmax ;;
 176       ns32k-*-netbsd*)  machine=ns32000 ;;
 177       sparc-*-netbsd*)  machine=sparc ;;
 178       vax-*-netbsd*)    machine=vax ;;
 179     esac
 180   ;;
 181
 182   ## OpenBSD ports
 183   *-*-openbsd* )
 184     opsys=openbsd
 185     case "${canonical}" in
 186       alpha*-*-openbsd*)        machine=alpha ;;
 187       i386-*-openbsd*)  machine=intel386 ;;
 188       m68k-*-openbsd*)  machine=hp9000s300 ;;
 189       mipsel-*-openbsd*) machine=pmax ;;
 190       ns32k-*-openbsd*) machine=ns32000 ;;
 191       sparc-*-openbsd*) machine=sparc ;;
 192       vax-*-openbsd*)   machine=vax ;;
 193     esac
 194   ;;
 195
 196   ## Acorn RISCiX:
 197   arm-acorn-riscix1.1* )
 198     machine=acorn opsys=riscix1-1
 199   ;;
 200   arm-acorn-riscix1.2* | arm-acorn-riscix )
 201     ## This name is riscix12 instead of riscix1.2
 202     ## to avoid a file name conflict on MSDOS.
 203     machine=acorn opsys=riscix12
 204   ;;
 205
 206   ## BSDI ports
 207   *-*-bsdi* )
 208     opsys=bsdi
 209     case "${canonical}" in
 210       i[345]86-*-bsdi*) machine=intel386 ;;
 211       sparc-*-bsdi*)  machine=sparc ;;
 212       powerpc-*-bsdi*)  machine=powerpc ;;
 213     esac
 214     case "${canonical}" in
 215       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 216       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 217       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 218       *-*-bsdi3* )              opsys=bsdos3 ;;
 219       *-*-bsdi4* )              opsys=bsdos4 ;;
 220     esac
 221   ;;
 222
 223   ## Alliant machines
 224   ## Strictly speaking, we need the version of the alliant operating
 225   ## system to choose the right machine file, but currently the
 226   ## configuration name doesn't tell us enough to choose the right
 227   ## one; we need to give alliants their own operating system name to
 228   ## do this right.  When someone cares, they can help us.
 229   fx80-alliant-* )
 230     machine=alliant4 opsys=bsd4-2
 231   ;;
 232   i860-alliant-* )
 233     machine=alliant-2800 opsys=bsd4-3
 234   ;;
 235
 236   ## Alpha (DEC) machines.
 237   alpha*-dec-osf* )
 238     machine=alpha opsys=osf1
 239     # This is needed to find X11R6.1 libraries for certain tests.
 240     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 241     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 242   ;;
 243
 244   alpha*-*-linux-gnu* )
 245     machine=alpha opsys=gnu-linux
 246   ;;
 247
 248   ## Altos 3068
 249   m68*-altos-sysv* )
 250     machine=altos opsys=usg5-2
 251   ;;
 252
 253   ## Amdahl UTS
 254   580-amdahl-sysv* )
 255     machine=amdahl opsys=usg5-2-2
 256   ;;
 257
 258   ## Apollo, Domain/OS
 259   m68*-apollo-* )
 260     machine=apollo opsys=bsd4-3
 261   ;;
 262
 263   ## AT&T 3b2, 3b5, 3b15, 3b20
 264   we32k-att-sysv* )
 265     machine=att3b opsys=usg5-2-2
 266   ;;
 267
 268   ## AT&T 3b1 - The Mighty Unix PC!
 269   m68*-att-sysv* )
 270     machine=7300 opsys=usg5-2-2
 271   ;;
 272
 273   ## Bull dpx20
 274   rs6000-bull-bosx* )
 275     machine=ibmrs6000 opsys=aix3-2
 276   ;;
 277
 278   ## Bull dpx2
 279   m68*-bull-sysv3* )
 280     machine=dpx2 opsys=usg5-3
 281   ;;
 282
 283   ## Bull sps7
 284   m68*-bull-sysv2* )
 285     machine=sps7 opsys=usg5-2
 286   ;;
 287
 288   ## CCI 5/32, 6/32 -- see "Tahoe".
 289
 290   ## Celerity
 291   ## I don't know what configuration name to use for this; config.sub
 292   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 293   ## in touch with us!
 294   celerity-celerity-bsd* )
 295     machine=celerity opsys=bsd4-2
 296   ;;
 297
 298   ## Clipper
 299   ## What operating systems does this chip run that Emacs has been
 300   ## tested on?
 301   clipper-* )
 302     machine=clipper
 303     ## We'll use the catch-all code at the bottom to guess the
 304     ## operating system.
 305   ;;
 306
 307   ## Convex
 308   *-convex-bsd* | *-convex-convexos* )
 309     machine=convex opsys=bsd4-3
 310     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 311     NON_GNU_CPP="cc -E -P"
 312   ;;
 313
 314   ## Cubix QBx/386
 315   i[3456]86-cubix-sysv* )
 316     machine=intel386 opsys=usg5-3
 317   ;;
 318
 319   ## Cydra 5
 320   cydra*-cydrome-sysv* )
 321     machine=cydra5 opsys=usg5-3
 322   ;;
 323
 324   ## Data General AViiON Machines
 325   ## DG changed naming conventions with the release of 5.4.4.10, they
 326   ## dropped the initial 5.4 but left the intervening R.  Because of the
 327   ## R this shouldn't conflict with older versions of the OS (which I
 328   ## think were named like dgux4.*). In addition, DG new AViiONs series
 329   ## uses either Motorola M88k or Intel Pentium CPUs.
 330   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 331     machine=aviion opsys=dgux4
 332   ;;
 333   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 334     ## This name is dgux5-4-3 instead of dgux5-4r3
 335     ## to avoid a file name conflict on MSDOS.
 336     machine=aviion opsys=dgux5-4-3
 337   ;;
 338   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 339     machine=aviion opsys=dgux5-4r2
 340   ;;
 341   m88k-dg-dgux* )
 342     machine=aviion opsys=dgux
 343   ;;
 344
 345   ## Data General AViiON Intel (x86) Machines
 346   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 347   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 348   i[345]86-dg-dguxR4* )
 349     machine=aviion-intel opsys=dgux4
 350   ;;
 351
 352   ## DECstations
 353   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 354     machine=pmax opsys=bsd4-2
 355   ;;
 356   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 357     machine=pmax opsys=bsd4-3
 358   ;;
 359   mips-dec-ultrix* )
 360     machine=pmax opsys=ultrix4-3
 361   ;;
 362   mips-dec-osf* )
 363     machine=pmax opsys=osf1
 364   ;;
 365   mips-dec-mach_bsd4.3* )
 366     machine=pmax opsys=mach-bsd4-3
 367   ;;
 368
 369   ## Motorola Delta machines
 370   m68k-motorola-sysv* | m68000-motorola-sysv* )
 371     machine=delta opsys=usg5-3
 372     if test -z "`type gnucc | grep 'not found'`"
 373     then
 374       if test -s /etc/167config
 375       then CC="gnucc -m68040"
 376       else CC="gnucc -m68881"
 377       fi
 378     else
 379       if test -z "`type gcc | grep 'not found'`"
 380       then CC=gcc
 381       else CC=cc
 382       fi
 383     fi
 384   ;;
 385   m88k-motorola-sysv4* )
 386     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 387     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 388     # I hope there are not other 4.0 versions for this machine
 389     # which really need usg5-4 instead.
 390     machine=delta88k opsys=usg5-4-2
 391   ;;
 392   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 393     machine=delta88k opsys=usg5-3
 394   ;;
 395
 396   ## Dual machines
 397   m68*-dual-sysv* )
 398     machine=dual opsys=usg5-2
 399   ;;
 400   m68*-dual-uniplus* )
 401     machine=dual opsys=unipl5-2
 402   ;;
 403
 404   ## Elxsi 6400
 405   elxsi-elxsi-sysv* )
 406     machine=elxsi opsys=usg5-2
 407   ;;
 408
 409   ## Encore machines
 410   ns16k-encore-bsd* )
 411     machine=ns16000 opsys=umax
 412   ;;
 413
 414   ## The GEC 93 - apparently, this port isn't really finished yet.
 415
 416   ## Gould Power Node and NP1
 417   pn-gould-bsd4.2* )
 418     machine=gould opsys=bsd4-2
 419   ;;
 420   pn-gould-bsd4.3* )
 421     machine=gould opsys=bsd4-3
 422   ;;
 423   np1-gould-bsd* )
 424     machine=gould-np1 opsys=bsd4-3
 425   ;;
 426
 427   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 428   ## as far as Emacs is concerned).
 429   m88k-harris-cxux* )
 430     # Build needs to be different on 7.0 and later releases
 431     case "`uname -r`" in
 432        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 433        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 434     esac
 435     NON_GNU_CPP="/lib/cpp"
 436   ;;
 437   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 438   m68k-harris-cxux* )
 439     machine=nh3000 opsys=cxux
 440   ;;
 441   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 442   powerpc-harris-powerunix )
 443     machine=nh6000 opsys=powerunix
 444     NON_GNU_CPP="cc -Xo -E -P"
 445   ;;
 446   ## SR2001/SR2201 running HI-UX/MPP
 447   hppa1.1-hitachi-hiuxmpp* )
 448     machine=sr2k opsys=hiuxmpp
 449   ;;
 450   ## Honeywell XPS100
 451   xps*-honeywell-sysv* )
 452     machine=xps100 opsys=usg5-2
 453   ;;
 454
 455   ## HP 9000 series 200 or 300
 456   m68*-hp-bsd* )
 457     machine=hp9000s300 opsys=bsd4-3
 458   ;;
 459   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 460   m68*-hp-hpux* )
 461     case "`uname -r`" in
 462       ## Someone's system reports A.B8.05 for this.
 463       ## I wonder what other possibilities there are.
 464       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 465       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 466       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 467       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 468       *) machine=hp9000s300 opsys=hpux ;;
 469     esac
 470   ;;
 471
 472   ## HP 9000 series 700 and 800, running HP/UX
 473   hppa*-hp-hpux7* )
 474     machine=hp800 opsys=hpux
 475   ;;
 476   hppa*-hp-hpux8* )
 477     machine=hp800 opsys=hpux8
 478   ;;
 479   hppa*-hp-hpux9shr* )
 480     machine=hp800 opsys=hpux9shr
 481   ;;
 482   hppa*-hp-hpux9* )
 483     machine=hp800 opsys=hpux9
 484   ;;
 485   hppa*-hp-hpux1[0-9]* )
 486     machine=hp800 opsys=hpux10
 487   ;;
 488
 489   ## HP 9000 series 700 and 800, running HP/UX
 490   hppa*-hp-hpux* )
 491     ## Cross-compilation?  Nah!
 492     case "`uname -r`" in
 493       ## Someone's system reports A.B8.05 for this.
 494       ## I wonder what other possibilities there are.
 495       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 496       *.08.* ) machine=hp800 opsys=hpux8 ;;
 497       *.09.* ) machine=hp800 opsys=hpux9 ;;
 498       *) machine=hp800 opsys=hpux10 ;;
 499     esac
 500   ;;
 501   hppa*-*-nextstep* )
 502     machine=hp800 opsys=nextstep
 503   ;;
 504
 505   ## Orion machines
 506   orion-orion-bsd* )
 507     machine=orion opsys=bsd4-2
 508   ;;
 509   clipper-orion-bsd* )
 510     machine=orion105 opsys=bsd4-2
 511   ;;
 512
 513   ## IBM machines
 514   i[3456]86-ibm-aix1.1* )
 515     machine=ibmps2-aix opsys=usg5-2-2
 516   ;;
 517   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 518     machine=ibmps2-aix opsys=usg5-3
 519   ;;
 520   i370-ibm-aix*)
 521     machine=ibm370aix opsys=usg5-3
 522   ;;
 523   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 524     machine=ibmrs6000 opsys=aix3-1
 525   ;;
 526   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 527     machine=ibmrs6000 opsys=aix3-2-5
 528   ;;
 529   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 530     machine=ibmrs6000 opsys=aix4-1
 531   ;;
 532   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 533     machine=ibmrs6000 opsys=aix4-2
 534   ;;
 535   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 536     machine=ibmrs6000 opsys=aix4
 537   ;;
 538   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 539     machine=ibmrs6000 opsys=aix4-1
 540   ;;
 541   rs6000-ibm-aix* | powerpc-ibm-aix* )
 542     machine=ibmrs6000 opsys=aix3-2
 543   ;;
 544   romp-ibm-bsd4.3* )
 545     machine=ibmrt opsys=bsd4-3
 546   ;;
 547   romp-ibm-bsd4.2* )
 548     machine=ibmrt opsys=bsd4-2
 549   ;;
 550   romp-ibm-aos4.3* )
 551     machine=ibmrt opsys=bsd4-3
 552   ;;
 553   romp-ibm-aos4.2* )
 554     machine=ibmrt opsys=bsd4-2
 555   ;;
 556   romp-ibm-aos* )
 557     machine=ibmrt opsys=bsd4-3
 558   ;;
 559   romp-ibm-bsd* )
 560     machine=ibmrt opsys=bsd4-3
 561   ;;
 562   romp-ibm-aix* )
 563     machine=ibmrt-aix opsys=usg5-2-2
 564   ;;
 565
 566   ## Integrated Solutions `Optimum V'
 567   m68*-isi-bsd4.2* )
 568     machine=isi-ov opsys=bsd4-2
 569   ;;
 570   m68*-isi-bsd4.3* )
 571     machine=isi-ov opsys=bsd4-3
 572   ;;
 573
 574   ## Intel 386 machines where we do care about the manufacturer
 575   i[3456]86-intsys-sysv* )
 576     machine=is386 opsys=usg5-2-2
 577   ;;
 578
 579   ## Prime EXL
 580   i[3456]86-prime-sysv* )
 581     machine=i386 opsys=usg5-3
 582   ;;
 583
 584   ## Sequent Symmetry running Dynix
 585   i[3456]86-sequent-bsd* )
 586     machine=symmetry opsys=bsd4-3
 587   ;;
 588
 589   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 590   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 591     machine=sequent-ptx opsys=ptx4
 592     NON_GNU_CPP=/lib/cpp
 593   ;;
 594
 595   ## Sequent Symmetry running DYNIX/ptx
 596   ## Use the old cpp rather than the newer ANSI one.
 597   i[3456]86-sequent-ptx* )
 598     machine=sequent-ptx opsys=ptx
 599     NON_GNU_CPP="/lib/cpp"
 600   ;;
 601
 602   ## ncr machine running svr4.3.
 603   i[3456]86-ncr-sysv4.3 )
 604     machine=ncr386 opsys=usg5-4-3
 605   ;;
 606
 607   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 608   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 609   i[3456]86-ncr-sysv* )
 610     machine=ncr386 opsys=usg5-4-2
 611   ;;
 612
 613   ## Intel Paragon OSF/1
 614   i860-intel-osf1* )
 615     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 616   ;;
 617
 618   ## Intel 860
 619   i860-*-sysv4* )
 620     machine=i860 opsys=usg5-4
 621     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 622     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 623   ;;
 624
 625   ## Masscomp machines
 626   m68*-masscomp-rtu* )
 627     machine=masscomp opsys=rtu
 628   ;;
 629
 630   ## Megatest machines
 631   m68*-megatest-bsd* )
 632     machine=mega68 opsys=bsd4-2
 633   ;;
 634
 635   ## Workstations sold by MIPS
 636   ## This is not necessarily all workstations using the MIPS processor -
 637   ## Irises are produced by SGI, and DECstations by DEC.
 638
 639   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 640   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 641   ## it gives for choosing between the alternatives seems to be "Use
 642   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 643   ## the BSD world."  I'll assume that these are instructions for
 644   ## handling two odd situations, and that every other situation
 645   ## should use mips.h and usg5-2-2, they being listed first.
 646   mips-mips-usg* )
 647     machine=mips4
 648     ## Fall through to the general code at the bottom to decide on the OS.
 649   ;;
 650   mips-mips-riscos4* )
 651     machine=mips4 opsys=bsd4-3
 652     NON_GNU_CC="cc -systype bsd43"
 653     NON_GNU_CPP="cc -systype bsd43 -E"
 654   ;;
 655   mips-mips-riscos5* )
 656     machine=mips4 opsys=riscos5
 657     NON_GNU_CC="cc -systype bsd43"
 658     NON_GNU_CPP="cc -systype bsd43 -E"
 659   ;;
 660   mips-mips-bsd* )
 661     machine=mips opsys=bsd4-3
 662   ;;
 663   mips-mips-* )
 664     machine=mips opsys=usg5-2-2
 665   ;;
 666
 667   ## NeXT
 668   m68*-next-* | m68k-*-nextstep* )
 669     machine=m68k opsys=nextstep
 670   ;;
 671
 672   ## The complete machine from National Semiconductor
 673   ns32k-ns-genix* )
 674     machine=ns32000 opsys=usg5-2
 675   ;;
 676
 677   ## NCR machines
 678   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 679     machine=tower32 opsys=usg5-2-2
 680   ;;
 681   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 682     machine=tower32v3 opsys=usg5-3
 683   ;;
 684
 685   ## NEC EWS4800
 686   mips-nec-sysv4*)
 687   machine=ews4800 opsys=ux4800
 688   ;;
 689
 690   ## Nixdorf Targon 31
 691   m68*-nixdorf-sysv* )
 692     machine=targon31 opsys=usg5-2-2
 693   ;;
 694
 695   ## Nu (TI or LMI)
 696   m68*-nu-sysv* )
 697     machine=nu opsys=usg5-2
 698   ;;
 699
 700   ## Plexus
 701   m68*-plexus-sysv* )
 702     machine=plexus opsys=usg5-2
 703   ;;
 704
 705   ## PowerPC reference platform
 706   powerpcle-*-solaris2* )
 707     machine=prep
 708     opsys=sol2-5
 709   ;;
 710
 711   ## Pyramid machines
 712   ## I don't really have any idea what sort of processor the Pyramid has,
 713   ## so I'm assuming it is its own architecture.
 714   pyramid-pyramid-bsd* )
 715     machine=pyramid opsys=bsd4-2
 716   ;;
 717
 718   ## Sequent Balance
 719   ns32k-sequent-bsd4.2* )
 720     machine=sequent opsys=bsd4-2
 721   ;;
 722   ns32k-sequent-bsd4.3* )
 723     machine=sequent opsys=bsd4-3
 724   ;;
 725
 726   ## Siemens Nixdorf
 727   mips-siemens-sysv* | mips-sni-sysv*)
 728     machine=mips-siemens opsys=usg5-4
 729     NON_GNU_CC=/usr/ccs/bin/cc
 730     NON_GNU_CPP=/usr/ccs/lib/cpp
 731   ;;
 732
 733   ## Silicon Graphics machines
 734   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 735   m68*-sgi-iris3.5* )
 736     machine=irist opsys=iris3-5
 737   ;;
 738   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 739     machine=irist opsys=iris3-6
 740   ;;
 741   ## Iris 4D
 742   mips-sgi-irix3* )
 743     machine=iris4d opsys=irix3-3
 744   ;;
 745   mips-sgi-irix4* )
 746     machine=iris4d opsys=irix4-0
 747   ;;
 748   mips-sgi-irix6.5 )
 749     machine=iris4d opsys=irix6-5
 750     NON_GNU_CPP=/lib/cpp
 751     NON_GCC_TEST_OPTIONS="-n32 -G0"
 752   ;;
 753   mips-sgi-irix6* )
 754     machine=iris4d opsys=irix6-0
 755     NON_GNU_CPP=/lib/cpp
 756     NON_GCC_TEST_OPTIONS=-32
 757   ;;
 758   mips-sgi-irix5.[01]* )
 759     machine=iris4d opsys=irix5-0
 760   ;;
 761   mips-sgi-irix5* | mips-sgi-irix* )
 762     machine=iris4d opsys=irix5-2
 763   ;;
 764
 765   ## SONY machines
 766   m68*-sony-bsd4.2* )
 767     machine=news opsys=bsd4-2
 768   ;;
 769   m68*-sony-bsd4.3* )
 770     machine=news opsys=bsd4-3
 771   ;;
 772   m68*-sony-newsos3* | m68*-sony-news3*)
 773     machine=news opsys=bsd4-3
 774   ;;
 775   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 776     machine=news-risc opsys=bsd4-3
 777   ;;
 778   mips-sony-newsos6* )
 779     machine=news-r6 opsys=newsos6
 780   ;;
 781   mips-sony-news* )
 782     machine=news-risc opsys=newsos5
 783   ;;
 784
 785   ## Stride
 786   m68*-stride-sysv* )
 787     machine=stride opsys=usg5-2
 788   ;;
 789
 790   ## Suns
 791   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 792     machine=sparc opsys=gnu-linux
 793   ;;
 794
 795   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 796     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 797     | rs6000-*-solaris2*)
 798     case "${canonical}" in
 799       m68*-sunos1* )    machine=sun1 ;;
 800       m68*-sunos2* )    machine=sun2 ;;
 801       m68* )            machine=sun3 ;;
 802       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 803       i[3456]86-*-* )     machine=intel386 ;;
 804       powerpcle* )      machine=powerpcle ;;
 805       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 806       sparc* )          machine=sparc ;;
 807       * )               unported=yes ;;
 808     esac
 809     case "${canonical}" in
 810       ## The Sun386 didn't get past 4.0.
 811       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 812       *-sunos4.0*         ) opsys=sunos4-0 ;;
 813       *-sunos4.1.[3-9]*noshare )
 814                 ## This name is sunos413 instead of sunos4-1-3
 815                 ## to avoid a file name conflict on MSDOS.
 816                 opsys=sunos413
 817                 NON_GNU_CPP=/usr/lib/cpp
 818                 NON_GCC_TEST_OPTIONS=-Bstatic
 819                 GCC_TEST_OPTIONS=-static
 820                 ;;
 821       *-sunos4.1.[3-9]* | *-sunos4shr*)
 822                 opsys=sunos4shr
 823                 NON_GNU_CPP=/usr/lib/cpp
 824                 ;;
 825       *-sunos4* | *-sunos )
 826                 opsys=sunos4-1
 827                 NON_GCC_TEST_OPTIONS=-Bstatic
 828                 GCC_TEST_OPTIONS=-static
 829                 ;;
 830       *-sunos5.3* | *-solaris2.3* )
 831                 opsys=sol2-3
 832                 NON_GNU_CPP=/usr/ccs/lib/cpp
 833                 ;;
 834       *-sunos5.4* | *-solaris2.4* )
 835                 opsys=sol2-4
 836                 NON_GNU_CPP=/usr/ccs/lib/cpp
 837                 RANLIB="ar -ts"
 838                 ;;
 839       *-sunos5.5* | *-solaris2.5* )
 840                 opsys=sol2-5
 841                 NON_GNU_CPP=/usr/ccs/lib/cpp
 842                 RANLIB="ar -ts"
 843                 ;;
 844       *-sunos5* | *-solaris* )
 845                 opsys=sol2-5
 846                 NON_GNU_CPP=/usr/ccs/lib/cpp
 847                 ;;
 848       *                   ) opsys=bsd4-2   ;;
 849     esac
 850     ## Watch out for a compiler that we know will not work.
 851     case "${canonical}" in
 852      *-solaris* | *-sunos5* )
 853                 if [ "x$CC" = x/usr/ucb/cc ]; then
 854                   ## /usr/ucb/cc doesn't work;
 855                   ## we should find some other compiler that does work.
 856                   unset CC
 857                 fi
 858                 ;;
 859       *) ;;
 860     esac
 861   ;;
 862   sparc-*-nextstep* )
 863     machine=sparc opsys=nextstep
 864   ;;
 865
 866   ## Tadpole 68k
 867   m68*-tadpole-sysv* )
 868     machine=tad68k opsys=usg5-3
 869   ;;
 870
 871   ## Tahoe machines
 872   tahoe-tahoe-bsd4.2* )
 873     machine=tahoe opsys=bsd4-2
 874   ;;
 875   tahoe-tahoe-bsd4.3* )
 876     machine=tahoe opsys=bsd4-3
 877   ;;
 878
 879   ## Tandem Integrity S2
 880   mips-tandem-sysv* )
 881     machine=tandem-s2 opsys=usg5-3
 882   ;;
 883
 884   ## Tektronix XD88
 885   m88k-tektronix-sysv3* )
 886   machine=tekxd88 opsys=usg5-3
 887   ;;
 888
 889   ## Tektronix 16000 box (6130?)
 890   ns16k-tektronix-bsd* )
 891     machine=ns16000 opsys=bsd4-2
 892   ;;
 893   ## Tektronix 4300
 894   ## src/m/tek4300.h hints that this is a m68k machine.
 895   m68*-tektronix-bsd* )
 896     machine=tek4300 opsys=bsd4-3
 897   ;;
 898
 899   ## Titan P2 or P3
 900   ## We seem to have lost the machine-description file titan.h!
 901   titan-titan-sysv* )
 902     machine=titan opsys=usg5-3
 903   ;;
 904
 905   ## Ustation E30 (SS5E)
 906   m68*-unisys-uniplus* )
 907     machine=ustation opsystem=unipl5-2
 908   ;;
 909
 910   ## Vaxen.
 911   vax-dec-* )
 912     machine=vax
 913     case "${canonical}" in
 914       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 915       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 916       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 917       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 918       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 919       *-vms* )                                          opsys=vms ;;
 920       * )                                               unported=yes
 921     esac
 922   ;;
 923
 924   ## Whitechapel MG1
 925   ns16k-whitechapel-* )
 926     machine=mg1
 927     ## We don't know what sort of OS runs on these; we'll let the
 928     ## operating system guessing code below try.
 929   ;;
 930
 931   ## Wicat
 932   m68*-wicat-sysv* )
 933     machine=wicat opsys=usg5-2
 934   ;;
 935
 936   ## Intel 386 machines where we don't care about the manufacturer
 937   i[3456]86-*-* )
 938     machine=intel386
 939     case "${canonical}" in
 940       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 941       *-isc2.2* )               opsys=isc2-2 ;;
 942       *-isc4.0* )               opsys=isc4-0 ;;
 943       *-isc4.* )                opsys=isc4-1
 944                                 GCC_TEST_OPTIONS=-posix
 945                                 NON_GCC_TEST_OPTIONS=-Xp
 946                                 ;;
 947       *-isc* )                  opsys=isc3-0 ;;
 948       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 949       *-esix* )                 opsys=esix ;;
 950       *-xenix* )                opsys=xenix ;;
 951       *-linux-gnu* )            opsys=gnu-linux ;;
 952       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 953       *-sco3.2v5* )             opsys=sco5
 954                                 NON_GNU_CPP=/lib/cpp
 955                                 # Prevent -belf from being passed to $CPP.
 956                                 # /lib/cpp does not accept it.
 957                                 OVERRIDE_CPPFLAGS=" "
 958                                 ;;
 959       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 960       *-386bsd* )               opsys=386bsd ;;
 961       *-freebsd* )              opsys=freebsd ;;
 962       *-nextstep* )             opsys=nextstep ;;
 963       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 964     esac
 965   ;;
 966
 967   ## m68k Linux-based GNU system
 968   m68k-*-linux-gnu* )
 969     machine=m68k opsys=gnu-linux
 970   ;;
 971
 972   ## Mips Linux-based GNU system
 973   mips-*-linux-gnu* )
 974     machine=mips opsys=gnu-linux
 975   ;;
 976
 977   ## UXP/DS
 978   sparc-fujitsu-sysv4* )
 979     machine=sparc opsys=uxpds
 980     NON_GNU_CPP=/usr/ccs/lib/cpp
 981     RANLIB="ar -ts"
 982   ;;
 983
 984   ## UXP/V
 985   f301-fujitsu-uxpv4.1)
 986     machine=f301 opsys=uxpv
 987   ;;
 988
 989   * )
 990     unported=yes
 991   ;;
 992 esac
 993
 994 ### If the code above didn't choose an operating system, just choose
 995 ### an operating system based on the configuration name.  You really
 996 ### only want to use this when you have no idea what the right
 997 ### operating system is; if you know what operating systems a machine
 998 ### runs, it's cleaner to make it explicit in the case statement
 999 ### above.
1000 if test x"${opsys}" = x; then
1001   case "${canonical}" in
1002     *-gnu* )                            opsys=gnu ;;
1003     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1004     *-bsd4.2 )                          opsys=bsd4-2 ;;
1005     *-bsd4.3 )                          opsys=bsd4-3 ;;
1006     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1007     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1008     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1009     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1010     *-sysv4.2uw* )                      opsys=unixware ;;
1011     *-sysv4.1* | *-sysvr4.1* )
1012         NON_GNU_CPP=/usr/lib/cpp
1013         opsys=usg5-4 ;;
1014     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1015         if [ x$NON_GNU_CPP = x ]; then
1016           if [ -f /usr/ccs/lib/cpp ]; then
1017             NON_GNU_CPP=/usr/ccs/lib/cpp
1018           else
1019             NON_GNU_CPP=/lib/cpp
1020           fi
1021         fi
1022         opsys=usg5-4-2 ;;
1023     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1024     * )
1025       unported=yes
1026     ;;
1027   esac
1028 fi
1029
1030 if test "x$RANLIB" = x; then
1031   RANLIB=ranlib
1032 fi
1033
1034 changequote([, ])dnl
1035
1036 if test $unported = yes; then
1037   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1038 Check \`etc/MACHINES' for recognized configuration names.])
1039 fi
1040
1041 machfile="m/${machine}.h"
1042 opsysfile="s/${opsys}.h"
1043
1044
1045 #### Choose a compiler.
1046 test -n "$CC" && cc_specified=yes
1047
1048 # Save the value of CFLAGS that the user specified.
1049 SPECIFIED_CFLAGS="$CFLAGS"
1050
1051 case ${with_gcc} in
1052   "yes" ) CC="gcc" GCC=yes ;;
1053   "no"  ) : ${CC=cc} ;;
1054   * ) AC_PROG_CC
1055 esac
1056
1057 # On Suns, sometimes $CPP names a directory.
1058 if test -n "$CPP" && test -d "$CPP"; then
1059   CPP=
1060 fi
1061
1062 #### Some systems specify a CPP to use unless we are using GCC.
1063 #### Now that we know whether we are using GCC, we can decide whether
1064 #### to use that one.
1065 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1066 then
1067   CPP="$NON_GNU_CPP"
1068 fi
1069
1070 #### Some systems specify a CC to use unless we are using GCC.
1071 #### Now that we know whether we are using GCC, we can decide whether
1072 #### to use that one.
1073 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1074   test x$cc_specified != xyes
1075 then
1076   CC="$NON_GNU_CC"
1077 fi
1078
1079 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1080 then
1081   CC="$CC $GCC_TEST_OPTIONS"
1082 fi
1083
1084 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1085 then
1086   CC="$CC $NON_GCC_TEST_OPTIONS"
1087 fi
1088
1089 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1090 then
1091   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1092 fi
1093
1094 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1095 then
1096   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1097 fi
1098
1099 #### Some other nice autoconf tests.  If you add a test here which
1100 #### should make an entry in src/config.h, don't forget to add an
1101 #### #undef clause to src/config.h.in for autoconf to modify.
1102
1103 dnl checks for programs
1104 AC_PROG_LN_S
1105 AC_PROG_CPP
1106 AC_PROG_INSTALL
1107 AC_PROG_YACC
1108
1109 dnl checks for Unix variants
1110 AC_AIX
1111
1112 # Sound support for GNU/Linux and the free BSDs.
1113 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1114
1115 dnl checks for header files
1116 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1117   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1118   termcap.h stdio_ext.h)
1119 AC_HEADER_STDC
1120 AC_HEADER_TIME
1121 AC_DECL_SYS_SIGLIST
1122
1123 dnl Some systems have utime.h but don't declare the struct anyplace.
1124 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1125 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1126 #include <sys/time.h>
1127 #include <time.h>
1128 #else
1129 #ifdef HAVE_SYS_TIME_H
1130 #include <sys/time.h>
1131 #else
1132 #include <time.h>
1133 #endif
1134 #endif
1135 #ifdef HAVE_UTIME_H
1136 #include <utime.h>
1137 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1138   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1139 if test $emacs_cv_struct_utimbuf = yes; then
1140   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1141 fi
1142
1143 dnl checks for typedefs
1144 AC_TYPE_SIGNAL
1145
1146 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1147 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1148 #include <sys/time.h>
1149 #include <time.h>
1150 #else
1151 #ifdef HAVE_SYS_TIME_H
1152 #include <sys/time.h>
1153 #else
1154 #include <time.h>
1155 #endif
1156 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1157   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1158 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1159 if test $emacs_cv_struct_timeval = yes; then
1160   AC_DEFINE(HAVE_TIMEVAL)
1161 fi
1162
1163 dnl checks for structure members
1164 AC_STRUCT_TM
1165 AC_STRUCT_TIMEZONE
1166 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1167 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1168   emacs_cv_tm_gmtoff=yes,
1169   emacs_cv_tm_gmtoff=no))
1170 if test $emacs_cv_tm_gmtoff = yes; then
1171   AC_DEFINE(HAVE_TM_GMTOFF)
1172 fi
1173
1174 dnl checks for compiler characteristics
1175 AC_C_CONST
1176
1177 dnl check for Make feature
1178 AC_PROG_MAKE_SET
1179
1180 dnl checks for operating system services
1181 AC_SYS_LONG_FILE_NAMES
1182
1183 #### Choose a window system.
1184
1185 AC_PATH_X
1186 if test "$no_x" = yes; then
1187   window_system=none
1188 else
1189   window_system=x11
1190 fi
1191
1192 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1193   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1194   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1195   x_default_search_path=""
1196   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1197     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1198 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1199 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1200 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1201     if test x"${x_default_search_path}" = x; then
1202       x_default_search_path=${x_search_path}
1203     else
1204       x_default_search_path="${x_search_path}:${x_default_search_path}"
1205     fi
1206   done
1207 fi
1208 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1209   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1210 fi
1211
1212 if test x"${x_includes}" = x; then
1213   bitmapdir=/usr/include/X11/bitmaps
1214 else
1215   # accumulate include directories that have X11 bitmap subdirectories
1216   bmd_acc="dummyval"
1217   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1218     if test -d "${bmd}/X11/bitmaps"; then
1219       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1220     elif test -d "${bmd}/bitmaps"; then
1221       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1222     fi
1223   done
1224   if test ${bmd_acc} != "dummyval"; then
1225     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1226   fi
1227 fi
1228
1229 case "${window_system}" in
1230   x11 )
1231     HAVE_X_WINDOWS=yes
1232     HAVE_X11=yes
1233     case "${with_x_toolkit}" in
1234       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1235       motif ) USE_X_TOOLKIT=MOTIF ;;
1236 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1237       no ) USE_X_TOOLKIT=none ;;
1238 dnl If user did not say whether to use a toolkit,
1239 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1240       * ) USE_X_TOOLKIT=maybe ;;
1241     esac
1242   ;;
1243   none )
1244     HAVE_X_WINDOWS=no
1245     HAVE_X11=no
1246     USE_X_TOOLKIT=none
1247   ;;
1248 esac
1249
1250 ### If we're using X11, we should use the X menu package.
1251 HAVE_MENUS=no
1252 case ${HAVE_X11} in
1253   yes ) HAVE_MENUS=yes ;;
1254 esac
1255
1256 if test "${opsys}" = "hpux9"; then
1257   case "${x_libraries}" in
1258     *X11R4* )
1259       opsysfile="s/hpux9-x11r4.h"
1260       ;;
1261   esac
1262 fi
1263
1264 if test "${opsys}" = "hpux9shr"; then
1265   case "${x_libraries}" in
1266     *X11R4* )
1267       opsysfile="s/hpux9shxr4.h"
1268       ;;
1269   esac
1270 fi
1271
1272 #### Extract some information from the operating system and machine files.
1273
1274 AC_CHECKING([the machine- and system-dependent files to find out
1275  - which libraries the lib-src programs will want, and
1276  - whether the GNU malloc routines are usable])
1277
1278 ### First figure out CFLAGS (which we use for running the compiler here)
1279 ### and REAL_CFLAGS (which we use for real compilation).
1280 ### The two are the same except on a few systems, where they are made
1281 ### different to work around various lossages.  For example,
1282 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1283 ### as implying static linking.
1284
1285 ### If the CFLAGS env var is specified, we use that value
1286 ### instead of the default.
1287
1288 ### It's not important that this name contain the PID; you can't run
1289 ### two configures in the same directory and have anything work
1290 ### anyway.
1291 tempcname="conftest.c"
1292
1293 echo '
1294 #include "'${srcdir}'/src/'${opsysfile}'"
1295 #include "'${srcdir}'/src/'${machfile}'"
1296 #ifndef LIBS_MACHINE
1297 #define LIBS_MACHINE
1298 #endif
1299 #ifndef LIBS_SYSTEM
1300 #define LIBS_SYSTEM
1301 #endif
1302 #ifndef C_SWITCH_SYSTEM
1303 #define C_SWITCH_SYSTEM
1304 #endif
1305 #ifndef C_SWITCH_MACHINE
1306 #define C_SWITCH_MACHINE
1307 #endif
1308 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1309 configure___ c_switch_system=C_SWITCH_SYSTEM
1310 configure___ c_switch_machine=C_SWITCH_MACHINE
1311
1312 #ifndef LIB_X11_LIB
1313 #define LIB_X11_LIB -lX11
1314 #endif
1315
1316 #ifndef LIBX11_MACHINE
1317 #define LIBX11_MACHINE
1318 #endif
1319
1320 #ifndef LIBX11_SYSTEM
1321 #define LIBX11_SYSTEM
1322 #endif
1323 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1324
1325 #ifdef UNEXEC
1326 configure___ unexec=UNEXEC
1327 #else
1328 configure___ unexec=unexec.o
1329 #endif
1330
1331 #ifdef SYSTEM_MALLOC
1332 configure___ system_malloc=yes
1333 #else
1334 configure___ system_malloc=no
1335 #endif
1336
1337 #ifndef C_DEBUG_SWITCH
1338 #define C_DEBUG_SWITCH -g
1339 #endif
1340
1341 #ifndef C_OPTIMIZE_SWITCH
1342 #define C_OPTIMIZE_SWITCH -O
1343 #endif
1344
1345 #ifndef LD_SWITCH_MACHINE
1346 #define LD_SWITCH_MACHINE
1347 #endif
1348
1349 #ifndef LD_SWITCH_SYSTEM
1350 #define LD_SWITCH_SYSTEM
1351 #endif
1352
1353 #ifndef LD_SWITCH_X_SITE_AUX
1354 #define LD_SWITCH_X_SITE_AUX
1355 #endif
1356
1357 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1358 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1359
1360 #ifdef THIS_IS_CONFIGURE
1361
1362 /* Get the CFLAGS for tests in configure.  */
1363 #ifdef __GNUC__
1364 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1365 #else
1366 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1367 #endif
1368
1369 #else /* not THIS_IS_CONFIGURE */
1370
1371 /* Get the CFLAGS for real compilation.  */
1372 #ifdef __GNUC__
1373 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1374 #else
1375 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1376 #endif
1377
1378 #endif /* not THIS_IS_CONFIGURE */
1379 ' > ${tempcname}
1380
1381 # The value of CPP is a quoted variable reference, so we need to do this
1382 # to get its actual value...
1383 CPP=`eval "echo $CPP"`
1384 changequote(, )dnl
1385 eval `${CPP} -Isrc ${tempcname} \
1386        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1387 if test "x$SPECIFIED_CFLAGS" = x; then
1388   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1389          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1390 else
1391   REAL_CFLAGS="$CFLAGS"
1392 fi
1393 changequote([, ])dnl
1394 rm ${tempcname}
1395
1396 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1397
1398 ### Compute the unexec source name from the object name.
1399 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1400
1401 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1402 # Assume not, until told otherwise.
1403 GNU_MALLOC=yes
1404 doug_lea_malloc=yes
1405 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1406 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1407 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1408                emacs_cv_var___after_morecore_hook,
1409 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1410   emacs_cv_var___after_morecore_hook=yes,
1411   emacs_cv_var___after_morecore_hook=no))
1412 if test $emacs_cv_var___after_morecore_hook = no; then
1413   doug_lea_malloc=no
1414 fi
1415 if test "${system_malloc}" = "yes"; then
1416   GNU_MALLOC=no
1417   GNU_MALLOC_reason="
1418     (The GNU allocators don't work with this system configuration.)"
1419 fi
1420 if test "$doug_lea_malloc" = "yes" ; then
1421   if test "$GNU_MALLOC" = yes ; then
1422     GNU_MALLOC_reason="
1423       (Using Doug Lea's new malloc from the GNU C Library.)"
1424   fi
1425   AC_DEFINE(DOUG_LEA_MALLOC)
1426 fi
1427
1428 if test x"${REL_ALLOC}" = x; then
1429   REL_ALLOC=${GNU_MALLOC}
1430 fi
1431
1432 LISP_FLOAT_TYPE=yes
1433
1434
1435 #### Add the libraries to LIBS and check for some functions.
1436
1437 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1438   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1439 else
1440   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1441 fi
1442
1443 LIBS="$libsrc_libs $LIBS"
1444
1445 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1446 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1447 AC_CHECK_LIB(dnet, dnet_ntoa)
1448 dnl This causes -lresolv to get used in subsequent tests,
1449 dnl which causes failures on some systems such as HPUX 9.
1450 dnl AC_CHECK_LIB(resolv, gethostbyname)
1451
1452 dnl FIXME replace main with a function we actually want from this library.
1453 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1454
1455 AC_CHECK_LIB(pthreads, cma_open)
1456
1457 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1458 if test -d /usr/X386/include; then
1459   HAVE_XFREE386=yes
1460   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1461 else
1462   HAVE_XFREE386=no
1463 fi
1464 AC_MSG_RESULT($HAVE_XFREE386)
1465
1466 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1467 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1468
1469 if test "${HAVE_X11}" = "yes"; then
1470   DEFS="$C_SWITCH_X_SITE $DEFS"
1471   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1472   LIBS="$LIBX $LIBS"
1473   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1474
1475   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1476   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1477   # but it's more convenient here to set LD_RUN_PATH
1478   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1479   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1480     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1481     export LD_RUN_PATH
1482   fi
1483
1484   if test "${opsys}" = "gnu-linux"; then
1485     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1486     AC_TRY_LINK([],
1487      [XOpenDisplay ("foo");],
1488      [xlinux_first_failure=no],
1489      [xlinux_first_failure=yes])
1490     if test "${xlinux_first_failure}" = "yes"; then
1491       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1492       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1493       OLD_CPPFLAGS="$CPPFLAGS"
1494       OLD_LIBS="$LIBS"
1495       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1496       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1497       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1498       LIBS="$LIBS -b i486-linuxaout"
1499       AC_TRY_LINK([],
1500        [XOpenDisplay ("foo");],
1501        [xlinux_second_failure=no],
1502        [xlinux_second_failure=yes])
1503       if test "${xlinux_second_failure}" = "yes"; then
1504         # If we get the same failure with -b, there is no use adding -b.
1505         # So take it out.  This plays safe.
1506         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1507         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1508         CPPFLAGS="$OLD_CPPFLAGS"
1509         LIBS="$OLD_LIBS"
1510         AC_MSG_RESULT(no)
1511       else
1512         AC_MSG_RESULT(yes)
1513       fi
1514     else
1515       AC_MSG_RESULT(no)
1516     fi
1517   fi
1518
1519   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1520 XScreenNumberOfScreen XSetWMProtocols)
1521 fi
1522
1523 if test "${window_system}" = "x11"; then
1524   AC_MSG_CHECKING(X11 version 6)
1525   AC_CACHE_VAL(emacs_cv_x11_version_6,
1526   AC_TRY_LINK([#include <X11/Xlib.h>],
1527 [#if XlibSpecificationRelease < 6
1528 fail;
1529 #endif
1530 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1531   if test $emacs_cv_x11_version_6 = yes; then
1532     AC_MSG_RESULT(6 or newer)
1533     AC_DEFINE(HAVE_X11R6)
1534   else
1535     AC_MSG_RESULT(before 6)
1536   fi
1537 fi
1538
1539 if test "${window_system}" = "x11"; then
1540   AC_MSG_CHECKING(X11 version 5)
1541   AC_CACHE_VAL(emacs_cv_x11_version_5,
1542   AC_TRY_LINK([#include <X11/Xlib.h>],
1543 [#if XlibSpecificationRelease < 5
1544 fail;
1545 #endif
1546 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1547   if test $emacs_cv_x11_version_5 = yes; then
1548     AC_MSG_RESULT(5 or newer)
1549     HAVE_X11R5=yes
1550     AC_DEFINE(HAVE_X11R5)
1551   else
1552     HAVE_X11R5=no
1553     AC_MSG_RESULT(before 5)
1554   fi
1555 fi
1556
1557 dnl Do not put whitespace before the #include statements below.
1558 dnl Older compilers (eg sunos4 cc) choke on it.
1559 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1560   if test x"${HAVE_X11R5}" = xyes; then
1561     AC_MSG_CHECKING(X11 version 5 with Xaw)
1562     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1563     AC_TRY_LINK([
1564 #include <X11/Intrinsic.h>
1565 #include <X11/Xaw/Simple.h>],
1566       [],
1567       emacs_cv_x11_version_5_with_xaw=yes,
1568       emacs_cv_x11_version_5_with_xaw=no))
1569     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1570       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1571       USE_X_TOOLKIT=LUCID
1572     else
1573       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1574       USE_X_TOOLKIT=none
1575     fi
1576   else
1577     USE_X_TOOLKIT=none
1578   fi
1579 fi
1580
1581 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1582
1583 if test "${USE_X_TOOLKIT}" != "none"; then
1584   AC_MSG_CHECKING(X11 toolkit version)
1585   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1586   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1587 [#if XtSpecificationRelease < 6
1588 fail;
1589 #endif
1590 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1591   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1592   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1593     AC_MSG_RESULT(6 or newer)
1594     AC_DEFINE(HAVE_X11XTR6)
1595   else
1596     AC_MSG_RESULT(before 6)
1597   fi
1598
1599 dnl If using toolkit, check whether libXmu.a exists.
1600 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1601   OLDLIBS="$LIBS"
1602   if test x$HAVE_X11XTR6 = xyes; then
1603     LIBS="-lXt -lSM -lICE $LIBS"
1604   else
1605     LIBS="-lXt $LIBS"
1606   fi
1607   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1608   LIBS="$OLDLIBS"
1609 fi
1610
1611 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1612   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1613   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1614     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1615 int x = 5;
1616 #else
1617 Motif version prior to 2.1.
1618 #endif],
1619     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1620   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1621   if test $emacs_cv_motif_version_2_1 = yes; then
1622     AC_DEFINE(HAVE_MOTIF_2_1)
1623     AC_CHECK_LIB(Xp, XpCreateContext)
1624   fi
1625 fi
1626
1627 ### Is -lXaw3d available?
1628 HAVE_XAW3D=no
1629 if test "${HAVE_X11}" = "yes"; then
1630   if test "${USE_X_TOOLKIT}" != "none"; then
1631     old_c_flags="${CFLAGS}"
1632     CFLAGS="${LD_SWITCH_X_SITE}"
1633     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1634         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1635     CFLAGS="${old_c_flags}"
1636
1637     if test "${HAVE_XAW3D}" = "yes"; then
1638         AC_DEFINE(HAVE_XAW3D)
1639     fi
1640   fi
1641 fi
1642
1643 dnl Use toolkit scroll bars if configured for X toolkit and either
1644 dnl using Motif or Xaw3d is available, and unless
1645 dnl --with-toolkit-scroll-bars=no was specified.
1646
1647 USE_TOOLKIT_SCROLL_BARS=no
1648 if test "${with_toolkit_scroll_bars}" != "no"; then
1649   if test "${USE_X_TOOLKIT}" != "none"; then
1650     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1651       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1652       HAVE_XAW3D=no
1653       USE_TOOLKIT_SCROLL_BARS=yes
1654     elif test "${HAVE_XAW3D}" = "yes"; then
1655       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1656       USE_TOOLKIT_SCROLL_BARS=yes
1657     fi
1658   fi
1659 fi
1660
1661 ### Use -lXpm if available, unless `--with-xpm=no'.
1662 HAVE_XPM=no
1663 if test "${HAVE_X11}" = "yes"; then
1664   if test "${with_xpm}" != "no"; then
1665     old_c_flags="${CFLAGS}"
1666     CFLAGS="${LD_SWITCH_X_SITE}"
1667     AC_CHECK_HEADER(X11/xpm.h,
1668       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1669     CFLAGS="${old_c_flags}"
1670   fi
1671
1672   if test "${HAVE_XPM}" = "yes"; then
1673     AC_DEFINE(HAVE_XPM)
1674   fi
1675 fi
1676
1677 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1678 HAVE_JPEG=no
1679 if test "${HAVE_X11}" = "yes"; then
1680   if test "${with_jpeg}" != "no"; then
1681     old_c_flags="${CFLAGS}"
1682     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1683     AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11)
1684     CFLAGS="${old_c_flags}"
1685   fi
1686
1687   if test "${HAVE_JPEG}" = "yes"; then
1688     AC_DEFINE(HAVE_JPEG)
1689   fi
1690 fi
1691
1692 ### Use -lpng if available, unless `--with-png=no'.
1693 HAVE_PNG=no
1694 if test "${HAVE_X11}" = "yes"; then
1695   if test "${with_png}" != "no"; then
1696     old_c_flags="${CFLAGS}"
1697     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1698     AC_CHECK_HEADER(png.h,
1699       AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1700     CFLAGS="${old_c_flags}"
1701   fi
1702
1703   if test "${HAVE_PNG}" = "yes"; then
1704     AC_DEFINE(HAVE_PNG)
1705   fi
1706 fi
1707
1708 ### Use -ltiff if available, unless `--with-tiff=no'.
1709 HAVE_TIFF=no
1710 if test "${HAVE_X11}" = "yes"; then
1711   if test "${with_tiff}" != "no"; then
1712     old_c_flags="${CFLAGS}"
1713     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1714     AC_CHECK_HEADER(tiffio.h,
1715       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11 -lm))
1716     CFLAGS="${old_c_flags}"
1717   fi
1718
1719   if test "${HAVE_TIFF}" = "yes"; then
1720     AC_DEFINE(HAVE_TIFF)
1721   fi
1722 fi
1723
1724 ### Use -lgif if available, unless `--with-gif=no'.
1725 HAVE_GIF=no
1726 if test "${HAVE_X11}" = "yes"; then
1727   if test "${with_gif}" != "no"; then
1728     old_c_flags="${CFLAGS}"
1729     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1730     AC_CHECK_HEADER(gif_lib.h,
1731       AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
1732     CFLAGS="${old_c_flags}"
1733   fi
1734
1735   if test "${HAVE_GIF}" = "yes"; then
1736     AC_DEFINE(HAVE_GIF)
1737   fi
1738 fi
1739
1740 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1741 AC_CACHE_CHECK(whether netdb declares h_errno,
1742                emacs_cv_netdb_declares_h_errno,
1743 AC_TRY_LINK([#include <netdb.h>],
1744   [return h_errno;],
1745   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1746 if test $emacs_cv_netdb_declares_h_errno = yes; then
1747   AC_DEFINE(HAVE_H_ERRNO)
1748 fi
1749
1750 AC_FUNC_ALLOCA
1751
1752 # fmod, logb, and frexp are found in -lm on most systems.
1753 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1754 AC_CHECK_LIB(m, sqrt)
1755
1756 # Check for mail-locking functions in a "mail" library
1757 AC_CHECK_LIB(mail, maillock)
1758 dnl Debian, at least:
1759 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1760 AC_CHECK_LIB(lockfile, maillock)
1761 # If we have the shared liblockfile, assume we must use it for mail
1762 # locking (e.g. Debian).  If we couldn't link against liblockfile
1763 # (no liblockfile.a installed), ensure that we don't need to.
1764 if test "$ac_cv_lib_lockfile_maillock" = no; then
1765   dnl This works for files generally, not just executables.
1766   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1767   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1768                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1769   if test $ac_cv_prog_liblockfile = yes; then
1770     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1771 This probably means that movemail could lose mail.
1772 There may be a \`development' package to install containing liblockfile.])
1773   else AC_DEFINE(LIBMAIL, -llockfile)
1774   fi
1775   else :
1776 fi
1777 AC_CHECK_FUNCS(touchlock)
1778 AC_CHECK_HEADERS(maillock.h)
1779
1780 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1781 rename closedir mkdir rmdir sysinfo \
1782 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1783 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1784 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo \
1785 __fpending ftello getloadavg mblen mbrlen strsignal)
1786
1787 # Check this now, so that we will NOT find the above functions in ncurses.
1788 # That is because we have not set up to link ncurses in lib-src.
1789 # It's better to believe a function is not available
1790 # than to expect to find it in ncurses.
1791 AC_CHECK_LIB(ncurses, tparm)
1792
1793 # Solaris requires -lintl if you want strerror (which calls dgettext)
1794 # to return localized messages.
1795 AC_CHECK_LIB(intl, dgettext)
1796
1797 AC_MSG_CHECKING(whether localtime caches TZ)
1798 AC_CACHE_VAL(emacs_cv_localtime_cache,
1799 [if test x$ac_cv_func_tzset = xyes; then
1800 AC_TRY_RUN([#include <time.h>
1801 extern char **environ;
1802 unset_TZ ()
1803 {
1804   char **from, **to;
1805   for (to = from = environ; (*to = *from); from++)
1806     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1807       to++;
1808 }
1809 char TZ_GMT0[] = "TZ=GMT0";
1810 char TZ_PST8[] = "TZ=PST8";
1811 main()
1812 {
1813   time_t now = time ((time_t *) 0);
1814   int hour_GMT0, hour_unset;
1815   if (putenv (TZ_GMT0) != 0)
1816     exit (1);
1817   hour_GMT0 = localtime (&now)->tm_hour;
1818   unset_TZ ();
1819   hour_unset = localtime (&now)->tm_hour;
1820   if (putenv (TZ_PST8) != 0)
1821     exit (1);
1822   if (localtime (&now)->tm_hour == hour_GMT0)
1823     exit (1);
1824   unset_TZ ();
1825   if (localtime (&now)->tm_hour != hour_unset)
1826     exit (1);
1827   exit (0);
1828 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1829 [# If we have tzset, assume the worst when cross-compiling.
1830 emacs_cv_localtime_cache=yes])
1831 else
1832         # If we lack tzset, report that localtime does not cache TZ,
1833         # since we can't invalidate the cache if we don't have tzset.
1834         emacs_cv_localtime_cache=no
1835 fi])dnl
1836 AC_MSG_RESULT($emacs_cv_localtime_cache)
1837 if test $emacs_cv_localtime_cache = yes; then
1838   AC_DEFINE(LOCALTIME_CACHE)
1839 fi
1840
1841 if test "x$HAVE_TIMEVAL" = xyes; then
1842 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1843                emacs_cv_gettimeofday_two_arguments,
1844 AC_TRY_LINK([
1845 #ifdef TIME_WITH_SYS_TIME
1846 #include <sys/time.h>
1847 #include <time.h>
1848 #else
1849 #ifdef HAVE_SYS_TIME_H
1850 #include <sys/time.h>
1851 #else
1852 #include <time.h>
1853 #endif
1854 #endif
1855   ],
1856   [
1857   struct timeval time;
1858   struct timezone dummy;
1859   gettimeofday (&time, &dummy);
1860 ],
1861   emacs_cv_gettimeofday_two_arguments=yes,
1862   emacs_cv_gettimeofday_two_arguments=no))
1863   if test $emacs_cv_gettimeofday_two_arguments = no; then
1864     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1865   fi
1866 fi
1867
1868 ok_so_far=yes
1869 AC_CHECK_FUNC(socket, , ok_so_far=no)
1870 if test $ok_so_far = yes; then
1871   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1872 fi
1873 if test $ok_so_far = yes; then
1874   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1875 fi
1876 if test $ok_so_far = yes; then
1877   AC_DEFINE(HAVE_INET_SOCKETS)
1878 fi
1879
1880 if test -f /usr/lpp/X11/bin/smt.exp; then
1881   AC_DEFINE(HAVE_AIX_SMT_EXP)
1882 fi
1883
1884 # Set up the CFLAGS for real compilation, so we can substitute it.
1885 CFLAGS="$REAL_CFLAGS"
1886
1887 changequote(, )dnl
1888 #### Find out which version of Emacs this is.
1889 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1890          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1891 changequote([, ])dnl
1892 if test x"${version}" = x; then
1893   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1894 fi
1895
1896 ### Specify what sort of things we'll be editing into Makefile and config.h.
1897 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1898 AC_SUBST(version)
1899 AC_SUBST(configuration)
1900 AC_SUBST(canonical)
1901 AC_SUBST(srcdir)
1902 AC_SUBST(prefix)
1903 AC_SUBST(exec_prefix)
1904 AC_SUBST(bindir)
1905 AC_SUBST(datadir)
1906 AC_SUBST(sharedstatedir)
1907 AC_SUBST(libexecdir)
1908 AC_SUBST(mandir)
1909 AC_SUBST(infodir)
1910 AC_SUBST(lispdir)
1911 AC_SUBST(locallisppath)
1912 AC_SUBST(lisppath)
1913 AC_SUBST(x_default_search_path)
1914 AC_SUBST(etcdir)
1915 AC_SUBST(archlibdir)
1916 AC_SUBST(docdir)
1917 AC_SUBST(bitmapdir)
1918 AC_SUBST(c_switch_system)
1919 AC_SUBST(c_switch_machine)
1920 AC_SUBST(LD_SWITCH_X_SITE)
1921 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1922 AC_SUBST(C_SWITCH_X_SITE)
1923 AC_SUBST(CFLAGS)
1924 AC_SUBST(X_TOOLKIT_TYPE)
1925 AC_SUBST(machfile)
1926 AC_SUBST(opsysfile)
1927 AC_SUBST(RANLIB)
1928
1929 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1930 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1931 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1932 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1933 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1934 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1935 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1936 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1937
1938 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1939   AC_DEFINE(HAVE_X_WINDOWS)
1940 fi
1941 if test "${USE_X_TOOLKIT}" != "none" ; then
1942   AC_DEFINE(USE_X_TOOLKIT)
1943 fi
1944 if test "${HAVE_X11}" = "yes" ; then
1945   AC_DEFINE(HAVE_X11)
1946 fi
1947 if test "${HAVE_XFREE386}" = "yes" ; then
1948   AC_DEFINE(HAVE_XFREE386)
1949 fi
1950 if test "${HAVE_MENUS}" = "yes" ; then
1951   AC_DEFINE(HAVE_MENUS)
1952 fi
1953 if test "${GNU_MALLOC}" = "yes" ; then
1954   AC_DEFINE(GNU_MALLOC)
1955 fi
1956 if test "${REL_ALLOC}" = "yes" ; then
1957   AC_DEFINE(REL_ALLOC)
1958 fi
1959 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1960   AC_DEFINE(LISP_FLOAT_TYPE)
1961 fi
1962
1963 #### Report on what we decided to do.
1964 echo "
1965 Configured for \`${canonical}'.
1966
1967   Where should the build process find the source code?    ${srcdir}
1968   What operating system and machine description files should Emacs use?
1969         \`${opsysfile}' and \`${machfile}'
1970   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1971   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1972   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1973   What window system should Emacs use?                    ${window_system}
1974   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1975
1976 if test -n "${x_includes}"; then
1977 echo "  Where do we find X Windows header files?                ${x_includes}"
1978 else
1979 echo "  Where do we find X Windows header files?                Standard dirs"
1980 fi
1981 if test -n "${x_libraries}"; then
1982 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1983 else
1984 echo "  Where do we find X Windows libraries?                   Standard dirs"
1985 fi
1986
1987 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
1988 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
1989 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
1990 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
1991 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
1992 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
1993 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
1994 echo
1995
1996 # Remove any trailing slashes in these variables.
1997 changequote(, )dnl
1998 test "${prefix}" != NONE &&
1999   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2000 test "${exec_prefix}" != NONE &&
2001   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2002 changequote([, ])dnl
2003
2004 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2005         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2006         leim/Makefile, [
2007
2008 ### Make the necessary directories, if they don't exist.
2009 for dir in etc lisp ; do
2010   test -d ${dir} || mkdir ${dir}
2011 done
2012
2013 # Build src/Makefile from ${srcdir}/src/Makefile.c
2014 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2015 # This must be done after src/config.h is built, since we rely on that file.
2016
2017 changequote(, )dnl The horror, the horror.
2018 # Now get this: Some word that is part of the ${srcdir} directory name
2019 # or the ${configuration} value might, just might, happen to be an
2020 # identifier like `sun4' or `i386' or something, and be predefined by
2021 # the C preprocessor to some helpful value like 1, or maybe the empty
2022 # string.  Needless to say consequent macro substitutions are less
2023 # than conducive to the makefile finding the correct directory.
2024 undefs="`echo $top_srcdir $configuration $canonical |
2025 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2026     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2027 `"
2028 changequote([, ])dnl
2029
2030 echo creating src/epaths.h
2031 make epaths-force
2032
2033 echo creating lib-src/Makefile
2034 ( cd lib-src
2035   rm -f junk.c junk1.c junk2.c
2036   sed -e '/start of cpp stuff/q' \
2037       < Makefile.c > junk1.c
2038   sed -e '1,/start of cpp stuff/d'\
2039       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2040       < Makefile.c > junk.c
2041   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2042       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2043   cat junk1.c junk2.c > Makefile.new
2044   rm -f junk.c junk1.c junk2.c
2045   chmod 444 Makefile.new
2046   mv -f Makefile.new Makefile
2047 )
2048
2049 echo creating src/Makefile
2050 ( cd src
2051   rm -f junk.c junk1.c junk2.c
2052   sed -e '/start of cpp stuff/q' \
2053       < Makefile.c > junk1.c
2054   sed -e '1,/start of cpp stuff/d'\
2055       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2056       < Makefile.c > junk.c
2057   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2058       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2059   cat junk1.c junk2.c > Makefile.new
2060   rm -f junk.c junk1.c junk2.c
2061   chmod 444 Makefile.new
2062   mv -f Makefile.new Makefile
2063 )
2064
2065 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2066   echo creating src/.gdbinit
2067   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2068 fi
2069
2070 # This is how we know whether to re-run configure in certain cases.
2071 touch src/config.stamp
2072
2073 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])