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, 2000, 2001
   7 dnl  Free Software Foundation, Inc.
   8 dnl
   9 dnl  This file is part of GNU Emacs.
  10 dnl
  11 dnl  GNU Emacs is free software; you can redistribute it and/or modify
  12 dnl  it under the terms of the GNU General Public License as published by
  13 dnl  the Free Software Foundation; either version 2, or (at your option)
  14 dnl  any later version.
  15 dnl
  16 dnl  GNU Emacs is distributed in the hope that it will be useful,
  17 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 dnl  GNU General Public License for more details.
  20 dnl
  21 dnl  You should have received a copy of the GNU General Public License
  22 dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
  23 dnl  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24 dnl  Boston, MA 02111-1307, USA.
  25
  26 AC_PREREQ(2.50)dnl
  27 AC_INIT(src/lisp.h)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29
  30 dnl Support for --program-prefix, --program-suffix and
  31 dnl --program-transform-name options
  32 AC_ARG_PROGRAM
  33
  34 lispdir='${datadir}/emacs/${version}/lisp'
  35 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  36 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
  37 lisppath='${locallisppath}:${lispdir}'
  38 etcdir='${datadir}/emacs/${version}/etc'
  39 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  40 docdir='${datadir}/emacs/${version}/etc'
  41
  42 AC_ARG_WITH(gcc,
  43 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  44 AC_ARG_WITH(pop,
  45 [  --without-pop           don't support POP mail retrieval with movemail],
  46 [if test "$withval" = yes; then
  47    AC_DEFINE(MAIL_USE_POP)
  48 else :
  49 fi],
  50 AC_DEFINE(MAIL_USE_POP))
  51 AC_ARG_WITH(kerberos,
  52 [  --with-kerberos         support Kerberos-authenticated POP],
  53 [AC_DEFINE(KERBEROS)])
  54 AC_ARG_WITH(kerberos5,
  55 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  56 [if test "${with_kerberos5+set}" = set; then
  57   if test "${with_kerberos+set}" != set; then
  58     with_kerberos=yes
  59     AC_DEFINE(KERBEROS)
  60   fi
  61 fi
  62 AC_DEFINE(KERBEROS5)])
  63 AC_ARG_WITH(hesiod,
  64 [  --with-hesiod           support Hesiod to get the POP server host],
  65 [AC_DEFINE(HESIOD)])
  66 dnl This should be the last --with option, because --with-x is
  67 dnl added later on when we find the path of X, and it's best to
  68 dnl keep them together visually.
  69 AC_ARG_WITH(x-toolkit,
  70 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  71 [         case "${withval}" in
  72             y | ye | yes )      val=athena ;;
  73             n | no )            val=no  ;;
  74             l | lu | luc | luci | lucid )       val=lucid ;;
  75             a | at | ath | athe | athen | athena )      val=athena ;;
  76             m | mo | mot | moti | motif )       val=motif ;;
  77 dnl These don't currently work.
  78 dnl         o | op | ope | open | open- | open-l | open-lo \
  79 dnl             | open-loo | open-look )        val=open-look ;;
  80             * )
  81 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  82 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  83 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  84 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  85 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  86             ;;
  87           esac
  88           with_x_toolkit=$val
  89 ])
  90 AC_ARG_WITH(xpm,
  91 [  --with-xpm              use -lXpm for displaying XPM images])
  92 AC_ARG_WITH(jpeg,
  93 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  94 AC_ARG_WITH(tiff,
  95 [  --with-tiff             use -ltiff for displaying TIFF images])
  96 AC_ARG_WITH(gif,
  97 [  --with-gif              use -lungif for displaying GIF images])
  98 AC_ARG_WITH(png,
  99 [  --with-png              use -lpng for displaying PNG images])
 100 AC_ARG_WITH(toolkit-scroll-bars,
 101 [  --without-toolkit-scroll-bars
 102                           don't use Motif or Xaw3d scroll bars])
 103 AC_ARG_WITH(xim,
 104 [  --without-xim           don't use X11 XIM])
 105
 106 #### Make srcdir absolute, if it isn't already.  It's important to
 107 #### avoid running the path through pwd unnecessarily, since pwd can
 108 #### give you automounter prefixes, which can go away.  We do all this
 109 #### so Emacs can find its files when run uninstalled.
 110 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 111 unset CDPATH
 112 case "${srcdir}" in
 113   /* ) ;;
 114   . )
 115     ## We may be able to use the $PWD environment variable to make this
 116     ## absolute.  But sometimes PWD is inaccurate.
 117     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".${PWD}"  ;
 118     then
 119       srcdir="$PWD"
 120     else
 121       srcdir="`(cd ${srcdir}; pwd)`"
 122     fi
 123   ;;
 124   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 125 esac
 126
 127 #### Check if the source directory already has a configured system in it.
 128 if test `pwd` != `(cd ${srcdir} && pwd)` \
 129    && test -f "${srcdir}/src/config.h" ; then
 130   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 131    as a build directory right now; it has been configured in its own
 132    right.  To configure in another directory as well, you MUST
 133    use GNU make.  If you do not have GNU make, then you must
 134    now do \`make distclean' in ${srcdir},
 135    and then run $0 again.])
 136
 137 changequote(, )dnl
 138   extrasub='/^VPATH[     ]*=/c\
 139 changequote([, ])dnl
 140 vpath %.c $(srcdir)\
 141 vpath %.h $(srcdir)\
 142 vpath %.y $(srcdir)\
 143 vpath %.l $(srcdir)\
 144 vpath %.s $(srcdir)\
 145 vpath %.in $(srcdir)\
 146 vpath %.texi $(srcdir)'
 147 fi
 148
 149 #### Given the configuration name, set machfile and opsysfile to the
 150 #### names of the m/*.h and s/*.h files we should use.
 151
 152 ### Canonicalize the configuration name.
 153
 154 AC_CANONICAL_HOST
 155 canonical=$host
 156 configuration=${host_alias-$host}
 157
 158 changequote(, )dnl
 159
 160 ### If you add support for a new configuration, add code to this
 161 ### switch statement to recognize your configuration name and select
 162 ### the appropriate operating system and machine description files.
 163
 164 ### You would hope that you could choose an m/*.h file pretty much
 165 ### based on the machine portion of the configuration name, and an s-
 166 ### file based on the operating system portion.  However, it turns out
 167 ### that each m/*.h file is pretty manufacturer-specific - for
 168 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 169 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 170 ### machines.  So we basically have to have a special case for each
 171 ### configuration name.
 172 ###
 173 ### As far as handling version numbers on operating systems is
 174 ### concerned, make sure things will fail in a fixable way.  If
 175 ### /etc/MACHINES doesn't say anything about version numbers, be
 176 ### prepared to handle anything reasonably.  If version numbers
 177 ### matter, be sure /etc/MACHINES says something about it.
 178 ###
 179 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 180 ### "System V Release 4"; he writes, "The old convention encouraged
 181 ### confusion between `system' and `release' levels'."
 182
 183 machine='' opsys='' unported=no
 184 case "${canonical}" in
 185
 186   ## NetBSD ports
 187   *-*-netbsd* )
 188     opsys=netbsd
 189     case "${canonical}" in
 190       alpha*-*-netbsd*) machine=alpha ;;
 191       i[3456]86-*-netbsd*) machine=intel386 ;;
 192       m68k-*-netbsd*)
 193                         # This is somewhat bogus.
 194                         machine=hp9000s300 ;;
 195       powerpc-apple-netbsd*) machine=macppc ;;
 196       mips-*-netbsd*)   machine=pmax ;;
 197       mipsel-*-netbsd*) machine=pmax ;;
 198       ns32k-*-netbsd*)  machine=ns32000 ;;
 199       powerpc-*-netbsd*) machine=macppc ;;
 200       sparc*-*-netbsd*) machine=sparc ;;
 201       vax-*-netbsd*)    machine=vax ;;
 202       arm-*-netbsd*)    machine=arm ;;
 203     esac
 204   ;;
 205
 206   ## OpenBSD ports
 207   *-*-openbsd* )
 208     opsys=openbsd
 209     case "${canonical}" in
 210       alpha*-*-openbsd*)        machine=alpha ;;
 211       i386-*-openbsd*)  machine=intel386 ;;
 212       m68k-*-openbsd*)  machine=hp9000s300 ;;
 213       mipsel-*-openbsd*) machine=pmax ;;
 214       ns32k-*-openbsd*) machine=ns32000 ;;
 215       sparc-*-openbsd*) machine=sparc ;;
 216       vax-*-openbsd*)   machine=vax ;;
 217     esac
 218   ;;
 219
 220   ## Acorn RISCiX:
 221   arm-acorn-riscix1.1* )
 222     machine=acorn opsys=riscix1-1
 223   ;;
 224   arm-acorn-riscix1.2* | arm-acorn-riscix )
 225     ## This name is riscix12 instead of riscix1.2
 226     ## to avoid a file name conflict on MSDOS.
 227     machine=acorn opsys=riscix12
 228   ;;
 229
 230   ## BSDI ports
 231   *-*-bsdi* )
 232     opsys=bsdi
 233     case "${canonical}" in
 234       i[345]86-*-bsdi*) machine=intel386 ;;
 235       sparc-*-bsdi*)  machine=sparc ;;
 236       powerpc-*-bsdi*)  machine=macppc ;;
 237     esac
 238     case "${canonical}" in
 239       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 240       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 241       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 242       *-*-bsdi3* )              opsys=bsdos3 ;;
 243       *-*-bsdi4* )              opsys=bsdos4 ;;
 244     esac
 245   ;;
 246
 247   ## Alliant machines
 248   ## Strictly speaking, we need the version of the alliant operating
 249   ## system to choose the right machine file, but currently the
 250   ## configuration name doesn't tell us enough to choose the right
 251   ## one; we need to give alliants their own operating system name to
 252   ## do this right.  When someone cares, they can help us.
 253   fx80-alliant-* )
 254     machine=alliant4 opsys=bsd4-2
 255   ;;
 256   i860-alliant-* )
 257     machine=alliant-2800 opsys=bsd4-3
 258   ;;
 259
 260   ## Alpha (DEC) machines.
 261   alpha*-dec-osf* )
 262     machine=alpha opsys=osf1
 263     # This is needed to find X11R6.1 libraries for certain tests.
 264     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 265     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 266     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 267     # due to non-traditional preprocessing with the current compiler
 268     # defaults.  OSF 4 can also have that compiler version, and there
 269     # seems always to have been a usable /usr/bin/cpp.
 270     NON_GNU_CPP=/usr/bin/cpp
 271     case "${canonical}" in
 272     alpha*-dec-osf[5-9]*)
 273       opsys=osf5-0 ;;
 274     esac
 275   ;;
 276
 277   alpha*-*-linux-gnu* )
 278     machine=alpha opsys=gnu-linux
 279   ;;
 280
 281   arm*-*-linux-gnu* )
 282     machine=arm opsys=gnu-linux
 283   ;;
 284
 285   ppc-*-linux | \
 286   powerpc-*-linux* )
 287     machine=macppc opsys=gnu-linux
 288   ;;
 289
 290   ## Altos 3068
 291   m68*-altos-sysv* )
 292     machine=altos opsys=usg5-2
 293   ;;
 294
 295   ## Amdahl UTS
 296   580-amdahl-sysv* )
 297     machine=amdahl opsys=usg5-2-2
 298   ;;
 299
 300   ## Apollo, Domain/OS
 301   m68*-apollo-* )
 302     machine=apollo opsys=bsd4-3
 303   ;;
 304
 305   ## AT&T 3b2, 3b5, 3b15, 3b20
 306   we32k-att-sysv* )
 307     machine=att3b opsys=usg5-2-2
 308   ;;
 309
 310   ## AT&T 3b1 - The Mighty Unix PC!
 311   m68*-att-sysv* )
 312     machine=7300 opsys=usg5-2-2
 313   ;;
 314
 315   ## Bull dpx20
 316   rs6000-bull-bosx* )
 317     machine=ibmrs6000 opsys=aix3-2
 318   ;;
 319
 320   ## Bull dpx2
 321   m68*-bull-sysv3* )
 322     machine=dpx2 opsys=usg5-3
 323   ;;
 324
 325   ## Bull sps7
 326   m68*-bull-sysv2* )
 327     machine=sps7 opsys=usg5-2
 328   ;;
 329
 330   ## CCI 5/32, 6/32 -- see "Tahoe".
 331
 332   ## Celerity
 333   ## I don't know what configuration name to use for this; config.sub
 334   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 335   ## in touch with us!
 336   celerity-celerity-bsd* )
 337     machine=celerity opsys=bsd4-2
 338   ;;
 339
 340   ## Clipper
 341   ## What operating systems does this chip run that Emacs has been
 342   ## tested on?
 343   clipper-* )
 344     machine=clipper
 345     ## We'll use the catch-all code at the bottom to guess the
 346     ## operating system.
 347   ;;
 348
 349   ## Convex
 350   *-convex-bsd* | *-convex-convexos* )
 351     machine=convex opsys=bsd4-3
 352     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 353     NON_GNU_CPP="cc -E -P"
 354   ;;
 355
 356   ## Cubix QBx/386
 357   i[3456]86-cubix-sysv* )
 358     machine=intel386 opsys=usg5-3
 359   ;;
 360
 361   ## Cydra 5
 362   cydra*-cydrome-sysv* )
 363     machine=cydra5 opsys=usg5-3
 364   ;;
 365
 366   ## Data General AViiON Machines
 367   ## DG changed naming conventions with the release of 5.4.4.10, they
 368   ## dropped the initial 5.4 but left the intervening R.  Because of the
 369   ## R this shouldn't conflict with older versions of the OS (which I
 370   ## think were named like dgux4.*). In addition, DG new AViiONs series
 371   ## uses either Motorola M88k or Intel Pentium CPUs.
 372   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 373     machine=aviion opsys=dgux4
 374   ;;
 375   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 376     ## This name is dgux5-4-3 instead of dgux5-4r3
 377     ## to avoid a file name conflict on MSDOS.
 378     machine=aviion opsys=dgux5-4-3
 379   ;;
 380   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 381     machine=aviion opsys=dgux5-4r2
 382   ;;
 383   m88k-dg-dgux* )
 384     machine=aviion opsys=dgux
 385   ;;
 386
 387   ## Data General AViiON Intel (x86) Machines
 388   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 389   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 390   i[345]86-dg-dguxR4* )
 391     machine=aviion-intel opsys=dgux4
 392   ;;
 393
 394   ## DECstations
 395   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 396     machine=pmax opsys=bsd4-2
 397   ;;
 398   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 399     machine=pmax opsys=bsd4-3
 400   ;;
 401   mips-dec-ultrix* )
 402     machine=pmax opsys=ultrix4-3
 403   ;;
 404   mips-dec-osf* )
 405     machine=pmax opsys=osf1
 406   ;;
 407   mips-dec-mach_bsd4.3* )
 408     machine=pmax opsys=mach-bsd4-3
 409   ;;
 410
 411   ## Motorola Delta machines
 412   m68k-motorola-sysv* | m68000-motorola-sysv* )
 413     machine=delta opsys=usg5-3
 414     if test -z "`type gnucc | grep 'not found'`"
 415     then
 416       if test -s /etc/167config
 417       then CC="gnucc -m68040"
 418       else CC="gnucc -m68881"
 419       fi
 420     else
 421       if test -z "`type gcc | grep 'not found'`"
 422       then CC=gcc
 423       else CC=cc
 424       fi
 425     fi
 426   ;;
 427   m88k-motorola-sysv4* )
 428     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 429     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 430     # I hope there are not other 4.0 versions for this machine
 431     # which really need usg5-4 instead.
 432     machine=delta88k opsys=usg5-4-2
 433   ;;
 434   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 435     machine=delta88k opsys=usg5-3
 436   ;;
 437
 438   ## Dual machines
 439   m68*-dual-sysv* )
 440     machine=dual opsys=usg5-2
 441   ;;
 442   m68*-dual-uniplus* )
 443     machine=dual opsys=unipl5-2
 444   ;;
 445
 446   ## Elxsi 6400
 447   elxsi-elxsi-sysv* )
 448     machine=elxsi opsys=usg5-2
 449   ;;
 450
 451   ## Encore machines
 452   ns16k-encore-bsd* )
 453     machine=ns16000 opsys=umax
 454   ;;
 455
 456   ## The GEC 63 - apparently, this port isn't really finished yet.
 457   #  I'm sure we finished off the last of the machines, though.  -- fx
 458
 459   ## Gould Power Node and NP1
 460   pn-gould-bsd4.2* )
 461     machine=gould opsys=bsd4-2
 462   ;;
 463   pn-gould-bsd4.3* )
 464     machine=gould opsys=bsd4-3
 465   ;;
 466   np1-gould-bsd* )
 467     machine=gould-np1 opsys=bsd4-3
 468   ;;
 469
 470   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 471   ## as far as Emacs is concerned).
 472   m88k-harris-cxux* )
 473     # Build needs to be different on 7.0 and later releases
 474     case "`uname -r`" in
 475        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 476        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 477     esac
 478     NON_GNU_CPP="/lib/cpp"
 479   ;;
 480   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 481   m68k-harris-cxux* )
 482     machine=nh3000 opsys=cxux
 483   ;;
 484   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 485   powerpc-harris-powerunix )
 486     machine=nh6000 opsys=powerunix
 487     NON_GNU_CPP="cc -Xo -E -P"
 488   ;;
 489   ## SR2001/SR2201 running HI-UX/MPP
 490   hppa1.1-hitachi-hiuxmpp* )
 491     machine=sr2k opsys=hiuxmpp
 492   ;;
 493   hppa1.1-hitachi-hiuxwe2* )
 494     machine=sr2k opsys=hiuxwe2
 495   ;;
 496   ## Honeywell XPS100
 497   xps*-honeywell-sysv* )
 498     machine=xps100 opsys=usg5-2
 499   ;;
 500
 501   ## HP 9000 series 200 or 300
 502   m68*-hp-bsd* )
 503     machine=hp9000s300 opsys=bsd4-3
 504   ;;
 505   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 506   m68*-hp-hpux* )
 507     case "`uname -r`" in
 508       ## Someone's system reports A.B8.05 for this.
 509       ## I wonder what other possibilities there are.
 510       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 511       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 512       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 513       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 514       *) machine=hp9000s300 opsys=hpux ;;
 515     esac
 516   ;;
 517
 518   ## HP 9000 series 700 and 800, running HP/UX
 519   hppa*-hp-hpux7* )
 520     machine=hp800 opsys=hpux
 521   ;;
 522   hppa*-hp-hpux8* )
 523     machine=hp800 opsys=hpux8
 524   ;;
 525   hppa*-hp-hpux9shr* )
 526     machine=hp800 opsys=hpux9shr
 527   ;;
 528   hppa*-hp-hpux9* )
 529     machine=hp800 opsys=hpux9
 530   ;;
 531   hppa*-hp-hpux10* )
 532     machine=hp800 opsys=hpux10
 533   ;;
 534   hppa*-hp-hpux1[1-9]* )
 535     machine=hp800 opsys=hpux11
 536   ;;
 537
 538   ## HP 9000 series 700 and 800, running HP/UX
 539   hppa*-hp-hpux* )
 540     ## Cross-compilation?  Nah!
 541     case "`uname -r`" in
 542       ## Someone's system reports A.B8.05 for this.
 543       ## I wonder what other possibilities there are.
 544       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 545       *.08.* ) machine=hp800 opsys=hpux8 ;;
 546       *.09.* ) machine=hp800 opsys=hpux9 ;;
 547       *) machine=hp800 opsys=hpux10 ;;
 548     esac
 549   ;;
 550   hppa*-*-nextstep* )
 551     machine=hp800 opsys=nextstep
 552   ;;
 553
 554   ## Orion machines
 555   orion-orion-bsd* )
 556     machine=orion opsys=bsd4-2
 557   ;;
 558   clipper-orion-bsd* )
 559     machine=orion105 opsys=bsd4-2
 560   ;;
 561
 562   ## IBM machines
 563   i[3456]86-ibm-aix1.1* )
 564     machine=ibmps2-aix opsys=usg5-2-2
 565   ;;
 566   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 567     machine=ibmps2-aix opsys=usg5-3
 568   ;;
 569   i370-ibm-aix*)
 570     machine=ibm370aix opsys=usg5-3
 571   ;;
 572   s390-*-linux-gnu)
 573     machine=ibms390 opsys=gnu-linux
 574   ;;
 575   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 576     machine=ibmrs6000 opsys=aix3-1
 577   ;;
 578   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 579     machine=ibmrs6000 opsys=aix3-2-5
 580   ;;
 581   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 582     machine=ibmrs6000 opsys=aix4-1
 583   ;;
 584   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 585     machine=ibmrs6000 opsys=aix4-2
 586   ;;
 587   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 588     machine=ibmrs6000 opsys=aix4
 589   ;;
 590   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 591     machine=ibmrs6000 opsys=aix4-1
 592   ;;
 593   rs6000-ibm-aix* | powerpc-ibm-aix* )
 594     machine=ibmrs6000 opsys=aix3-2
 595   ;;
 596   romp-ibm-bsd4.3* )
 597     machine=ibmrt opsys=bsd4-3
 598   ;;
 599   romp-ibm-bsd4.2* )
 600     machine=ibmrt opsys=bsd4-2
 601   ;;
 602   romp-ibm-aos4.3* )
 603     machine=ibmrt opsys=bsd4-3
 604   ;;
 605   romp-ibm-aos4.2* )
 606     machine=ibmrt opsys=bsd4-2
 607   ;;
 608   romp-ibm-aos* )
 609     machine=ibmrt opsys=bsd4-3
 610   ;;
 611   romp-ibm-bsd* )
 612     machine=ibmrt opsys=bsd4-3
 613   ;;
 614   romp-ibm-aix* )
 615     machine=ibmrt-aix opsys=usg5-2-2
 616   ;;
 617
 618   ## Integrated Solutions `Optimum V'
 619   m68*-isi-bsd4.2* )
 620     machine=isi-ov opsys=bsd4-2
 621   ;;
 622   m68*-isi-bsd4.3* )
 623     machine=isi-ov opsys=bsd4-3
 624   ;;
 625
 626   ## Intel 386 machines where we do care about the manufacturer
 627   i[3456]86-intsys-sysv* )
 628     machine=is386 opsys=usg5-2-2
 629   ;;
 630
 631   ## Prime EXL
 632   i[3456]86-prime-sysv* )
 633     machine=i386 opsys=usg5-3
 634   ;;
 635
 636   ## Sequent Symmetry running Dynix
 637   i[3456]86-sequent-bsd* )
 638     machine=symmetry opsys=bsd4-3
 639   ;;
 640
 641   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 642   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 643     machine=sequent-ptx opsys=ptx4
 644     NON_GNU_CPP=/lib/cpp
 645   ;;
 646
 647   ## Sequent Symmetry running DYNIX/ptx
 648   ## Use the old cpp rather than the newer ANSI one.
 649   i[3456]86-sequent-ptx* )
 650     machine=sequent-ptx opsys=ptx
 651     NON_GNU_CPP="/lib/cpp"
 652   ;;
 653
 654   ## ncr machine running svr4.3.
 655   i[3456]86-ncr-sysv4.3 )
 656     machine=ncr386 opsys=usg5-4-3
 657   ;;
 658
 659   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 660   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 661   i[3456]86-ncr-sysv* )
 662     machine=ncr386 opsys=usg5-4-2
 663   ;;
 664
 665   ## Intel Paragon OSF/1
 666   i860-intel-osf1* )
 667     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 668   ;;
 669
 670   ## Intel 860
 671   i860-*-sysv4* )
 672     machine=i860 opsys=usg5-4
 673     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 674     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 675   ;;
 676
 677   ## Macintosh PowerPC
 678   powerpc*-*-linux-gnu* )
 679     machine=macppc opsys=gnu-linux
 680   ;;
 681
 682   ## Masscomp machines
 683   m68*-masscomp-rtu* )
 684     machine=masscomp opsys=rtu
 685   ;;
 686
 687   ## Megatest machines
 688   m68*-megatest-bsd* )
 689     machine=mega68 opsys=bsd4-2
 690   ;;
 691
 692   ## Workstations sold by MIPS
 693   ## This is not necessarily all workstations using the MIPS processor -
 694   ## Irises are produced by SGI, and DECstations by DEC.
 695
 696   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 697   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 698   ## it gives for choosing between the alternatives seems to be "Use
 699   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 700   ## the BSD world."  I'll assume that these are instructions for
 701   ## handling two odd situations, and that every other situation
 702   ## should use mips.h and usg5-2-2, they being listed first.
 703   mips-mips-usg* )
 704     machine=mips4
 705     ## Fall through to the general code at the bottom to decide on the OS.
 706   ;;
 707   mips-mips-riscos4* )
 708     machine=mips4 opsys=bsd4-3
 709     NON_GNU_CC="cc -systype bsd43"
 710     NON_GNU_CPP="cc -systype bsd43 -E"
 711   ;;
 712   mips-mips-riscos5* )
 713     machine=mips4 opsys=riscos5
 714     NON_GNU_CC="cc -systype bsd43"
 715     NON_GNU_CPP="cc -systype bsd43 -E"
 716   ;;
 717   mips-mips-bsd* )
 718     machine=mips opsys=bsd4-3
 719   ;;
 720   mips-mips-* )
 721     machine=mips opsys=usg5-2-2
 722   ;;
 723
 724   ## NeXT
 725   m68*-next-* | m68k-*-nextstep* )
 726     machine=m68k opsys=nextstep
 727   ;;
 728
 729   ## The complete machine from National Semiconductor
 730   ns32k-ns-genix* )
 731     machine=ns32000 opsys=usg5-2
 732   ;;
 733
 734   ## NCR machines
 735   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 736     machine=tower32 opsys=usg5-2-2
 737   ;;
 738   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 739     machine=tower32v3 opsys=usg5-3
 740   ;;
 741
 742   ## NEC EWS4800
 743   mips-nec-sysv4*)
 744   machine=ews4800 opsys=ux4800
 745   ;;
 746
 747   ## Nixdorf Targon 31
 748   m68*-nixdorf-sysv* )
 749     machine=targon31 opsys=usg5-2-2
 750   ;;
 751
 752   ## Nu (TI or LMI)
 753   m68*-nu-sysv* )
 754     machine=nu opsys=usg5-2
 755   ;;
 756
 757   ## Plexus
 758   m68*-plexus-sysv* )
 759     machine=plexus opsys=usg5-2
 760   ;;
 761
 762   ## PowerPC reference platform
 763   powerpcle-*-solaris2* )
 764     machine=prep
 765     opsys=sol2-5
 766   ;;
 767
 768   ## Pyramid machines
 769   ## I don't really have any idea what sort of processor the Pyramid has,
 770   ## so I'm assuming it is its own architecture.
 771   pyramid-pyramid-bsd* )
 772     machine=pyramid opsys=bsd4-2
 773   ;;
 774
 775   ## Sequent Balance
 776   ns32k-sequent-bsd4.2* )
 777     machine=sequent opsys=bsd4-2
 778   ;;
 779   ns32k-sequent-bsd4.3* )
 780     machine=sequent opsys=bsd4-3
 781   ;;
 782
 783   ## Siemens Nixdorf
 784   mips-siemens-sysv* | mips-sni-sysv*)
 785     machine=mips-siemens opsys=usg5-4
 786     NON_GNU_CC=/usr/ccs/bin/cc
 787     NON_GNU_CPP=/usr/ccs/lib/cpp
 788   ;;
 789
 790   ## Silicon Graphics machines
 791   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 792   m68*-sgi-iris3.5* )
 793     machine=irist opsys=iris3-5
 794   ;;
 795   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 796     machine=irist opsys=iris3-6
 797   ;;
 798   ## Iris 4D
 799   mips-sgi-irix3* )
 800     machine=iris4d opsys=irix3-3
 801   ;;
 802   mips-sgi-irix4* )
 803     machine=iris4d opsys=irix4-0
 804   ;;
 805   mips-sgi-irix6.5 )
 806     machine=iris4d opsys=irix6-5
 807     # Without defining _LANGUAGE_C, things get masked out in the headers
 808     # so that, for instance, grepping for `free' in stdlib.h fails and
 809     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 810     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 811     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 812   ;;
 813   mips-sgi-irix6* )
 814     machine=iris4d opsys=irix6-0
 815     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 816     # but presumably it does no harm.
 817     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 818     # -32 probably isn't necessary in later v.6s -- anyone know which?
 819     NON_GCC_TEST_OPTIONS=-32
 820   ;;
 821   mips-sgi-irix5.[01]* )
 822     machine=iris4d opsys=irix5-0
 823   ;;
 824   mips-sgi-irix5* | mips-sgi-irix* )
 825     machine=iris4d opsys=irix5-2
 826   ;;
 827
 828   ## SONY machines
 829   m68*-sony-bsd4.2* )
 830     machine=news opsys=bsd4-2
 831   ;;
 832   m68*-sony-bsd4.3* )
 833     machine=news opsys=bsd4-3
 834   ;;
 835   m68*-sony-newsos3* | m68*-sony-news3*)
 836     machine=news opsys=bsd4-3
 837   ;;
 838   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 839     machine=news-risc opsys=bsd4-3
 840   ;;
 841   mips-sony-newsos6* )
 842     machine=news-r6 opsys=newsos6
 843   ;;
 844   mips-sony-news* )
 845     machine=news-risc opsys=newsos5
 846   ;;
 847
 848   ## Stride
 849   m68*-stride-sysv* )
 850     machine=stride opsys=usg5-2
 851   ;;
 852
 853   ## Suns
 854   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 855     machine=sparc opsys=gnu-linux
 856   ;;
 857
 858   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 859     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 860     | rs6000-*-solaris2*)
 861     case "${canonical}" in
 862       m68*-sunos1* )    machine=sun1 ;;
 863       m68*-sunos2* )    machine=sun2 ;;
 864       m68* )            machine=sun3 ;;
 865       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 866       i[3456]86-*-* )     machine=intel386 ;;
 867       powerpcle* )      machine=powerpcle ;;
 868       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 869       sparc* )          machine=sparc ;;
 870       * )               unported=yes ;;
 871     esac
 872     case "${canonical}" in
 873       ## The Sun386 didn't get past 4.0.
 874       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 875       *-sunos4.0*         ) opsys=sunos4-0 ;;
 876       *-sunos4.1.[3-9]*noshare )
 877                 ## This name is sunos413 instead of sunos4-1-3
 878                 ## to avoid a file name conflict on MSDOS.
 879                 opsys=sunos413
 880                 NON_GNU_CPP=/usr/lib/cpp
 881                 NON_GCC_TEST_OPTIONS=-Bstatic
 882                 GCC_TEST_OPTIONS=-static
 883                 ;;
 884       *-sunos4.1.[3-9]* | *-sunos4shr*)
 885                 opsys=sunos4shr
 886                 NON_GNU_CPP=/usr/lib/cpp
 887                 ;;
 888       *-sunos4* | *-sunos )
 889                 opsys=sunos4-1
 890                 NON_GCC_TEST_OPTIONS=-Bstatic
 891                 GCC_TEST_OPTIONS=-static
 892                 ;;
 893       *-sunos5.3* | *-solaris2.3* )
 894                 opsys=sol2-3
 895                 NON_GNU_CPP=/usr/ccs/lib/cpp
 896                 ;;
 897       *-sunos5.4* | *-solaris2.4* )
 898                 opsys=sol2-4
 899                 NON_GNU_CPP=/usr/ccs/lib/cpp
 900                 RANLIB="ar -ts"
 901                 ;;
 902       *-sunos5.5* | *-solaris2.5* )
 903                 opsys=sol2-5
 904                 NON_GNU_CPP=/usr/ccs/lib/cpp
 905                 RANLIB="ar -ts"
 906                 ;;
 907       *-sunos5* | *-solaris* )
 908                 opsys=sol2-5
 909                 NON_GNU_CPP=/usr/ccs/lib/cpp
 910                 ;;
 911       *                   ) opsys=bsd4-2   ;;
 912     esac
 913     ## Watch out for a compiler that we know will not work.
 914     case "${canonical}" in
 915      *-solaris* | *-sunos5* )
 916                 if [ "x$CC" = x/usr/ucb/cc ]; then
 917                   ## /usr/ucb/cc doesn't work;
 918                   ## we should find some other compiler that does work.
 919                   unset CC
 920                 fi
 921                 ;;
 922       *) ;;
 923     esac
 924   ;;
 925   sparc-*-nextstep* )
 926     machine=sparc opsys=nextstep
 927   ;;
 928
 929   ## Tadpole 68k
 930   m68*-tadpole-sysv* )
 931     machine=tad68k opsys=usg5-3
 932   ;;
 933
 934   ## Tahoe machines
 935   tahoe-tahoe-bsd4.2* )
 936     machine=tahoe opsys=bsd4-2
 937   ;;
 938   tahoe-tahoe-bsd4.3* )
 939     machine=tahoe opsys=bsd4-3
 940   ;;
 941
 942   ## Tandem Integrity S2
 943   mips-tandem-sysv* )
 944     machine=tandem-s2 opsys=usg5-3
 945   ;;
 946
 947   ## Tektronix XD88
 948   m88k-tektronix-sysv3* )
 949   machine=tekxd88 opsys=usg5-3
 950   ;;
 951
 952   ## Tektronix 16000 box (6130?)
 953   ns16k-tektronix-bsd* )
 954     machine=ns16000 opsys=bsd4-2
 955   ;;
 956   ## Tektronix 4300
 957   ## src/m/tek4300.h hints that this is a m68k machine.
 958   m68*-tektronix-bsd* )
 959     machine=tek4300 opsys=bsd4-3
 960   ;;
 961
 962   ## Titan P2 or P3
 963   ## We seem to have lost the machine-description file titan.h!
 964   titan-titan-sysv* )
 965     machine=titan opsys=usg5-3
 966   ;;
 967
 968   ## Ustation E30 (SS5E)
 969   m68*-unisys-uniplus* )
 970     machine=ustation opsystem=unipl5-2
 971   ;;
 972
 973   ## Vaxen.
 974   vax-dec-* )
 975     machine=vax
 976     case "${canonical}" in
 977       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 978       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 979       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 980       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 981       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 982       *-vms* )                                          opsys=vms ;;
 983       * )                                               unported=yes
 984     esac
 985   ;;
 986
 987   ## Whitechapel MG1
 988   ns16k-whitechapel-* )
 989     machine=mg1
 990     ## We don't know what sort of OS runs on these; we'll let the
 991     ## operating system guessing code below try.
 992   ;;
 993
 994   ## Wicat
 995   m68*-wicat-sysv* )
 996     machine=wicat opsys=usg5-2
 997   ;;
 998
 999   ## IA-64
1000   ia64*-*-linux* )
1001     machine=ia64 opsys=gnu-linux
1002   ;;
1003
1004   ## Intel 386 machines where we don't care about the manufacturer
1005   i[3456]86-*-* )
1006     machine=intel386
1007     case "${canonical}" in
1008       *-lynxos* )               opsys=lynxos ;;
1009       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1010       *-isc2.2* )               opsys=isc2-2 ;;
1011       *-isc4.0* )               opsys=isc4-0 ;;
1012       *-isc4.* )                opsys=isc4-1
1013                                 GCC_TEST_OPTIONS=-posix
1014                                 NON_GCC_TEST_OPTIONS=-Xp
1015                                 ;;
1016       *-isc* )                  opsys=isc3-0 ;;
1017       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1018       *-esix* )                 opsys=esix ;;
1019       *-xenix* )                opsys=xenix ;;
1020       *-linux-gnu* )            opsys=gnu-linux ;;
1021       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1022       *-sco3.2v5* )             opsys=sco5
1023                                 NON_GNU_CPP=/lib/cpp
1024                                 # Prevent -belf from being passed to $CPP.
1025                                 # /lib/cpp does not accept it.
1026                                 OVERRIDE_CPPFLAGS=" "
1027                                 ;;
1028       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1029       *-386bsd* )               opsys=386bsd ;;
1030       *-freebsd* )              opsys=freebsd ;;
1031       *-nextstep* )             opsys=nextstep ;;
1032       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1033     esac
1034   ;;
1035
1036   ## m68k Linux-based GNU system
1037   m68k-*-linux-gnu* )
1038     machine=m68k opsys=gnu-linux
1039   ;;
1040
1041   ## Mips Linux-based GNU system
1042   mips-*-linux-gnu* )
1043     machine=mips opsys=gnu-linux
1044   ;;
1045
1046   ## UXP/DS
1047   sparc-fujitsu-sysv4* )
1048     machine=sparc opsys=uxpds
1049     NON_GNU_CPP=/usr/ccs/lib/cpp
1050     RANLIB="ar -ts"
1051   ;;
1052
1053   ## UXP/V
1054   f301-fujitsu-uxpv4.1)
1055     machine=f301 opsys=uxpv
1056   ;;
1057
1058   * )
1059     unported=yes
1060   ;;
1061 esac
1062
1063 ### If the code above didn't choose an operating system, just choose
1064 ### an operating system based on the configuration name.  You really
1065 ### only want to use this when you have no idea what the right
1066 ### operating system is; if you know what operating systems a machine
1067 ### runs, it's cleaner to make it explicit in the case statement
1068 ### above.
1069 if test x"${opsys}" = x; then
1070   case "${canonical}" in
1071     *-gnu* )                            opsys=gnu ;;
1072     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1073     *-bsd4.2 )                          opsys=bsd4-2 ;;
1074     *-bsd4.3 )                          opsys=bsd4-3 ;;
1075     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1076     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1077     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1078     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1079     *-sysv4.2uw* )                      opsys=unixware ;;
1080     *-sysv4.1* | *-sysvr4.1* )
1081         NON_GNU_CPP=/usr/lib/cpp
1082         opsys=usg5-4 ;;
1083     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1084         if [ x$NON_GNU_CPP = x ]; then
1085           if [ -f /usr/ccs/lib/cpp ]; then
1086             NON_GNU_CPP=/usr/ccs/lib/cpp
1087           else
1088             NON_GNU_CPP=/lib/cpp
1089           fi
1090         fi
1091         opsys=usg5-4-2 ;;
1092     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1093     * )
1094       unported=yes
1095     ;;
1096   esac
1097 fi
1098
1099 changequote([, ])dnl
1100
1101 if test $unported = yes; then
1102   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1103 Check \`etc/MACHINES' for recognized configuration names.])
1104 fi
1105
1106 machfile="m/${machine}.h"
1107 opsysfile="s/${opsys}.h"
1108
1109
1110 #### Choose a compiler.
1111 test -n "$CC" && cc_specified=yes
1112
1113 # Save the value of CFLAGS that the user specified.
1114 SPECIFIED_CFLAGS="$CFLAGS"
1115
1116 case ${with_gcc} in
1117   "yes" ) CC="gcc" GCC=yes ;;
1118   "no"  ) : ${CC=cc} ;;
1119   * )
1120 esac
1121 AC_PROG_CC
1122
1123 # On Suns, sometimes $CPP names a directory.
1124 if test -n "$CPP" && test -d "$CPP"; then
1125   CPP=
1126 fi
1127
1128 #### Some systems specify a CPP to use unless we are using GCC.
1129 #### Now that we know whether we are using GCC, we can decide whether
1130 #### to use that one.
1131 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1132 then
1133   CPP="$NON_GNU_CPP"
1134 fi
1135
1136 #### Some systems specify a CC to use unless we are using GCC.
1137 #### Now that we know whether we are using GCC, we can decide whether
1138 #### to use that one.
1139 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1140   test x$cc_specified != xyes
1141 then
1142   CC="$NON_GNU_CC"
1143 fi
1144
1145 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1146 then
1147   CC="$CC $GCC_TEST_OPTIONS"
1148 fi
1149
1150 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1151 then
1152   CC="$CC $NON_GCC_TEST_OPTIONS"
1153 fi
1154
1155 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1156 then
1157   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1158 fi
1159
1160 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1161 then
1162   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1163 fi
1164
1165 #### Some other nice autoconf tests.  If you add a test here which
1166 #### should make an entry in src/config.h, don't forget to add an
1167 #### #undef clause to src/config.h.in for autoconf to modify.
1168
1169 dnl checks for programs
1170 AC_PROG_LN_S
1171 AC_PROG_CPP
1172 AC_PROG_INSTALL
1173 AC_PROG_YACC
1174 if test "x$RANLIB" = x; then
1175   AC_PROG_RANLIB
1176 fi
1177
1178 dnl checks for Unix variants
1179 AC_AIX
1180
1181 #### Extract some information from the operating system and machine files.
1182
1183 AC_CHECKING([the machine- and system-dependent files to find out
1184  - which libraries the lib-src programs will want, and
1185  - whether the GNU malloc routines are usable])
1186
1187 ### First figure out CFLAGS (which we use for running the compiler here)
1188 ### and REAL_CFLAGS (which we use for real compilation).
1189 ### The two are the same except on a few systems, where they are made
1190 ### different to work around various lossages.  For example,
1191 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1192 ### as implying static linking.
1193
1194 ### If the CFLAGS env var is specified, we use that value
1195 ### instead of the default.
1196
1197 ### It's not important that this name contain the PID; you can't run
1198 ### two configures in the same directory and have anything work
1199 ### anyway.
1200 tempcname="conftest.c"
1201
1202 echo '
1203 #include "'${srcdir}'/src/'${opsysfile}'"
1204 #include "'${srcdir}'/src/'${machfile}'"
1205 #ifndef LIBS_MACHINE
1206 #define LIBS_MACHINE
1207 #endif
1208 #ifndef LIBS_SYSTEM
1209 #define LIBS_SYSTEM
1210 #endif
1211 #ifndef C_SWITCH_SYSTEM
1212 #define C_SWITCH_SYSTEM
1213 #endif
1214 #ifndef C_SWITCH_MACHINE
1215 #define C_SWITCH_MACHINE
1216 #endif
1217 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1218 configure___ c_switch_system=C_SWITCH_SYSTEM
1219 configure___ c_switch_machine=C_SWITCH_MACHINE
1220
1221 #ifndef LIB_X11_LIB
1222 #define LIB_X11_LIB -lX11
1223 #endif
1224
1225 #ifndef LIBX11_MACHINE
1226 #define LIBX11_MACHINE
1227 #endif
1228
1229 #ifndef LIBX11_SYSTEM
1230 #define LIBX11_SYSTEM
1231 #endif
1232 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1233
1234 #ifdef UNEXEC
1235 configure___ unexec=UNEXEC
1236 #else
1237 configure___ unexec=unexec.o
1238 #endif
1239
1240 #ifdef SYSTEM_MALLOC
1241 configure___ system_malloc=yes
1242 #else
1243 configure___ system_malloc=no
1244 #endif
1245
1246 #ifdef USE_MMAP_FOR_BUFFERS
1247 configure___ use_mmap_for_buffers=yes
1248 #else
1249 configure___ use_mmap_for_buffers=no
1250 #endif
1251
1252 #ifndef C_DEBUG_SWITCH
1253 #define C_DEBUG_SWITCH -g
1254 #endif
1255
1256 #ifndef C_OPTIMIZE_SWITCH
1257 #ifdef __GNUC__
1258 #define C_OPTIMIZE_SWITCH -O2
1259 #else
1260 #define C_OPTIMIZE_SWITCH -O
1261 #endif
1262 #endif
1263
1264 #ifndef LD_SWITCH_MACHINE
1265 #define LD_SWITCH_MACHINE
1266 #endif
1267
1268 #ifndef LD_SWITCH_SYSTEM
1269 #define LD_SWITCH_SYSTEM
1270 #endif
1271
1272 #ifndef LD_SWITCH_X_SITE_AUX
1273 #define LD_SWITCH_X_SITE_AUX
1274 #endif
1275
1276 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1277 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1278
1279 #ifdef THIS_IS_CONFIGURE
1280
1281 /* Get the CFLAGS for tests in configure.  */
1282 #ifdef __GNUC__
1283 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1284 #else
1285 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1286 #endif
1287
1288 #else /* not THIS_IS_CONFIGURE */
1289
1290 /* Get the CFLAGS for real compilation.  */
1291 #ifdef __GNUC__
1292 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1293 #else
1294 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1295 #endif
1296
1297 #endif /* not THIS_IS_CONFIGURE */
1298 ' > ${tempcname}
1299
1300 # The value of CPP is a quoted variable reference, so we need to do this
1301 # to get its actual value...
1302 CPP=`eval "echo $CPP"`
1303 changequote(, )dnl
1304 eval `${CPP} -Isrc ${tempcname} \
1305        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1306 if test "x$SPECIFIED_CFLAGS" = x; then
1307   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1308          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1309 else
1310   REAL_CFLAGS="$CFLAGS"
1311 fi
1312 changequote([, ])dnl
1313 rm ${tempcname}
1314
1315 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1316
1317 ### Make sure subsequent tests use flags consistent with the build flags.
1318
1319 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1320   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1321 else
1322   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1323 fi
1324
1325 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1326 AC_SYS_LARGEFILE
1327
1328 # Sound support for GNU/Linux and the free BSDs.
1329 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1330 # Emulation library used on NetBSD.
1331 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1332 AC_SUBST(LIBSOUND)
1333
1334 dnl checks for header files
1335 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1336   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1337   termcap.h stdio_ext.h fcntl.h term.h strings.h coff.h)
1338 AC_HEADER_STDC
1339 AC_HEADER_TIME
1340 AC_DECL_SYS_SIGLIST
1341 AC_HEADER_SYS_WAIT
1342
1343 dnl Some systems have utime.h but don't declare the struct anyplace.
1344 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1345 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1346 #include <sys/time.h>
1347 #include <time.h>
1348 #else
1349 #ifdef HAVE_SYS_TIME_H
1350 #include <sys/time.h>
1351 #else
1352 #include <time.h>
1353 #endif
1354 #endif
1355 #ifdef HAVE_UTIME_H
1356 #include <utime.h>
1357 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1358   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1359 if test $emacs_cv_struct_utimbuf = yes; then
1360   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1361 fi
1362
1363 dnl checks for typedefs
1364 AC_TYPE_SIGNAL
1365
1366 dnl Check for speed_t typedef.
1367 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1368 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1369   emacs_cv_speed_t=yes, emacs_cv_speed_t=no))
1370 if test $emacs_cv_speed_t = yes; then
1371   AC_DEFINE(HAVE_SPEED_T)
1372 fi
1373
1374 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1375 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1376 #include <sys/time.h>
1377 #include <time.h>
1378 #else
1379 #ifdef HAVE_SYS_TIME_H
1380 #include <sys/time.h>
1381 #else
1382 #include <time.h>
1383 #endif
1384 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1385   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1386 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1387 if test $emacs_cv_struct_timeval = yes; then
1388   AC_DEFINE(HAVE_TIMEVAL)
1389 fi
1390
1391 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1392 AC_TRY_COMPILE([#include <math.h>],
1393 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1394   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1395 HAVE_EXCEPTION=$emacs_cv_struct_exception
1396 if test $emacs_cv_struct_exception != yes; then
1397   AC_DEFINE(NO_MATHERR)
1398 fi
1399
1400 dnl checks for structure members
1401 AC_STRUCT_TM
1402 AC_STRUCT_TIMEZONE
1403 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1404 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1405   emacs_cv_tm_gmtoff=yes,
1406   emacs_cv_tm_gmtoff=no))
1407 if test $emacs_cv_tm_gmtoff = yes; then
1408   AC_DEFINE(HAVE_TM_GMTOFF)
1409 fi
1410
1411 dnl checks for compiler characteristics
1412
1413 dnl Testing __STDC__ to determine prototype support isn't good enough.
1414 dnl DEC C, for instance, doesn't define it with default options, and
1415 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1416 dnl and void *.
1417 AC_C_PROTOTYPES
1418 AC_C_VOLATILE
1419 AC_C_CONST
1420 dnl This isn't useful because we can't turn on use of `inline' unless
1421 dnl the compiler groks `extern inline'.
1422 dnl AC_C_INLINE
1423 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1424   [AC_TRY_COMPILE(, [void * foo;],
1425                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1426 if test $emacs_cv_void_star = yes; then
1427   AC_DEFINE(POINTER_TYPE, void)
1428 else
1429   AC_DEFINE(POINTER_TYPE, char)
1430 fi
1431
1432 dnl check for Make feature
1433 AC_PROG_MAKE_SET
1434
1435 dnl checks for operating system services
1436 AC_SYS_LONG_FILE_NAMES
1437
1438 #### Choose a window system.
1439
1440 AC_PATH_X
1441 if test "$no_x" = yes; then
1442   window_system=none
1443 else
1444   window_system=x11
1445 fi
1446
1447 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1448   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1449   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1450   x_default_search_path=""
1451   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1452     x_search_path="\
1453 ${x_library}/X11/%L/%T/%N%C%S:\
1454 ${x_library}/X11/%l/%T/%N%C%S:\
1455 ${x_library}/X11/%T/%N%C%S:\
1456 ${x_library}/X11/%L/%T/%N%S:\
1457 ${x_library}/X11/%l/%T/%N%S:\
1458 ${x_library}/X11/%T/%N%S"
1459     if test x"${x_default_search_path}" = x; then
1460       x_default_search_path=${x_search_path}
1461     else
1462       x_default_search_path="${x_search_path}:${x_default_search_path}"
1463     fi
1464   done
1465 fi
1466 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1467   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1468 fi
1469
1470 if test x"${x_includes}" = x; then
1471   bitmapdir=/usr/include/X11/bitmaps
1472 else
1473   # accumulate include directories that have X11 bitmap subdirectories
1474   bmd_acc="dummyval"
1475   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1476     if test -d "${bmd}/X11/bitmaps"; then
1477       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1478     fi
1479     if test -d "${bmd}/bitmaps"; then
1480       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1481     fi
1482   done
1483   if test ${bmd_acc} != "dummyval"; then
1484     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1485   fi
1486 fi
1487
1488 case "${window_system}" in
1489   x11 )
1490     HAVE_X_WINDOWS=yes
1491     HAVE_X11=yes
1492     case "${with_x_toolkit}" in
1493       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1494       motif ) USE_X_TOOLKIT=MOTIF ;;
1495 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1496       no ) USE_X_TOOLKIT=none ;;
1497 dnl If user did not say whether to use a toolkit,
1498 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1499       * ) USE_X_TOOLKIT=maybe ;;
1500     esac
1501   ;;
1502   none )
1503     HAVE_X_WINDOWS=no
1504     HAVE_X11=no
1505     USE_X_TOOLKIT=none
1506   ;;
1507 esac
1508
1509 ### If we're using X11, we should use the X menu package.
1510 HAVE_MENUS=no
1511 case ${HAVE_X11} in
1512   yes ) HAVE_MENUS=yes ;;
1513 esac
1514
1515 if test "${opsys}" = "hpux9"; then
1516   case "${x_libraries}" in
1517     *X11R4* )
1518       opsysfile="s/hpux9-x11r4.h"
1519       ;;
1520   esac
1521 fi
1522
1523 if test "${opsys}" = "hpux9shr"; then
1524   case "${x_libraries}" in
1525     *X11R4* )
1526       opsysfile="s/hpux9shxr4.h"
1527       ;;
1528   esac
1529 fi
1530
1531 ### Compute the unexec source name from the object name.
1532 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1533
1534 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1535 # Assume not, until told otherwise.
1536 GNU_MALLOC=yes
1537 doug_lea_malloc=yes
1538 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1539 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1540 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1541                emacs_cv_var___after_morecore_hook,
1542 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1543   emacs_cv_var___after_morecore_hook=yes,
1544   emacs_cv_var___after_morecore_hook=no)])
1545 if test $emacs_cv_var___after_morecore_hook = no; then
1546   doug_lea_malloc=no
1547 fi
1548 if test "${system_malloc}" = "yes"; then
1549   GNU_MALLOC=no
1550   GNU_MALLOC_reason="
1551     (The GNU allocators don't work with this system configuration.)"
1552 fi
1553 if test "$doug_lea_malloc" = "yes" ; then
1554   if test "$GNU_MALLOC" = yes ; then
1555     GNU_MALLOC_reason="
1556       (Using Doug Lea's new malloc from the GNU C Library.)"
1557   fi
1558   AC_DEFINE(DOUG_LEA_MALLOC)
1559 fi
1560
1561 if test x"${REL_ALLOC}" = x; then
1562   REL_ALLOC=${GNU_MALLOC}
1563 fi
1564
1565 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1566 dnl the system configuration file (s/*.h) to turn the use of mmap
1567 dnl in the relocating allocator on.
1568
1569 AC_FUNC_MMAP
1570 if test $use_mmap_for_buffers = yes; then
1571   REL_ALLOC=no
1572 fi
1573
1574 LIBS="$libsrc_libs $LIBS"
1575
1576 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1577 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1578 AC_CHECK_LIB(dnet, dnet_ntoa)
1579 dnl This causes -lresolv to get used in subsequent tests,
1580 dnl which causes failures on some systems such as HPUX 9.
1581 dnl AC_CHECK_LIB(resolv, gethostbyname)
1582
1583 dnl FIXME replace main with a function we actually want from this library.
1584 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1585
1586 AC_CHECK_LIB(pthreads, cma_open)
1587
1588 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1589 if test -d /usr/X386/include; then
1590   HAVE_XFREE386=yes
1591   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1592 else
1593   HAVE_XFREE386=no
1594 fi
1595 AC_MSG_RESULT($HAVE_XFREE386)
1596
1597 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1598 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1599
1600 REAL_CPPFLAGS="$CPPFLAGS"
1601
1602 if test "${HAVE_X11}" = "yes"; then
1603   DEFS="$C_SWITCH_X_SITE $DEFS"
1604   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1605   LIBS="$LIBX $LIBS"
1606   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1607   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1608
1609   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1610   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1611   # but it's more convenient here to set LD_RUN_PATH
1612   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1613   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1614     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1615     export LD_RUN_PATH
1616   fi
1617
1618   if test "${opsys}" = "gnu-linux"; then
1619     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1620     AC_TRY_LINK([],
1621      [XOpenDisplay ("foo");],
1622      [xlinux_first_failure=no],
1623      [xlinux_first_failure=yes])
1624     if test "${xlinux_first_failure}" = "yes"; then
1625       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1626       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1627       OLD_CPPFLAGS="$CPPFLAGS"
1628       OLD_LIBS="$LIBS"
1629       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1630       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1631       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1632       LIBS="$LIBS -b i486-linuxaout"
1633       AC_TRY_LINK([],
1634        [XOpenDisplay ("foo");],
1635        [xlinux_second_failure=no],
1636        [xlinux_second_failure=yes])
1637       if test "${xlinux_second_failure}" = "yes"; then
1638         # If we get the same failure with -b, there is no use adding -b.
1639         # So take it out.  This plays safe.
1640         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1641         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1642         CPPFLAGS="$OLD_CPPFLAGS"
1643         LIBS="$OLD_LIBS"
1644         AC_MSG_RESULT(no)
1645       else
1646         AC_MSG_RESULT(yes)
1647       fi
1648     else
1649       AC_MSG_RESULT(no)
1650     fi
1651   fi
1652
1653   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1654   # header files included from there.
1655   AC_MSG_CHECKING(for Xkb)
1656   AC_TRY_LINK([#include <X11/Xlib.h>
1657 #include <X11/XKBlib.h>],
1658         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1659         emacs_xkb=yes, emacs_xkb=no)
1660   AC_MSG_RESULT($emacs_xkb)
1661   if test $emacs_xkb = yes; then
1662     AC_DEFINE(HAVE_XKBGETKEYBOARD)
1663   fi
1664
1665   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1666 XScreenNumberOfScreen XSetWMProtocols)
1667 fi
1668
1669 if test "${window_system}" = "x11"; then
1670   AC_MSG_CHECKING(X11 version 6)
1671   AC_CACHE_VAL(emacs_cv_x11_version_6,
1672   [AC_TRY_LINK([#include <X11/Xlib.h>],
1673 [#if XlibSpecificationRelease < 6
1674 fail;
1675 #endif
1676 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1677   if test $emacs_cv_x11_version_6 = yes; then
1678     AC_MSG_RESULT(6 or newer)
1679     AC_DEFINE(HAVE_X11R6)
1680   else
1681     AC_MSG_RESULT(before 6)
1682   fi
1683 fi
1684
1685 if test "${window_system}" = "x11"; then
1686   AC_MSG_CHECKING(X11 version 5)
1687   AC_CACHE_VAL(emacs_cv_x11_version_5,
1688   [AC_TRY_LINK([#include <X11/Xlib.h>],
1689 [#if XlibSpecificationRelease < 5
1690 fail;
1691 #endif
1692 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
1693   if test $emacs_cv_x11_version_5 = yes; then
1694     AC_MSG_RESULT(5 or newer)
1695     HAVE_X11R5=yes
1696     AC_DEFINE(HAVE_X11R5)
1697   else
1698     HAVE_X11R5=no
1699     AC_MSG_RESULT(before 5)
1700   fi
1701 fi
1702
1703 dnl Do not put whitespace before the #include statements below.
1704 dnl Older compilers (eg sunos4 cc) choke on it.
1705 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1706   if test x"${HAVE_X11R5}" = xyes; then
1707     AC_MSG_CHECKING(X11 version 5 with Xaw)
1708     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1709     [AC_TRY_LINK([
1710 #include <X11/Intrinsic.h>
1711 #include <X11/Xaw/Simple.h>],
1712       [],
1713       emacs_cv_x11_version_5_with_xaw=yes,
1714       emacs_cv_x11_version_5_with_xaw=no)])
1715     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1716       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1717       USE_X_TOOLKIT=LUCID
1718     else
1719       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1720       USE_X_TOOLKIT=none
1721     fi
1722   else
1723     USE_X_TOOLKIT=none
1724   fi
1725 fi
1726
1727 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1728
1729 if test "${USE_X_TOOLKIT}" != "none"; then
1730   AC_MSG_CHECKING(X11 toolkit version)
1731   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1732   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1733 [#if XtSpecificationRelease < 6
1734 fail;
1735 #endif
1736 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1737   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1738   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1739     AC_MSG_RESULT(6 or newer)
1740     AC_DEFINE(HAVE_X11XTR6)
1741   else
1742     AC_MSG_RESULT(before 6)
1743   fi
1744
1745 dnl If using toolkit, check whether libXmu.a exists.
1746 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1747   OLDLIBS="$LIBS"
1748   if test x$HAVE_X11XTR6 = xyes; then
1749     LIBS="-lXt -lSM -lICE $LIBS"
1750   else
1751     LIBS="-lXt $LIBS"
1752   fi
1753   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1754   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1755 fi
1756
1757 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1758 if test "${HAVE_X11}" = "yes"; then
1759   if test "${USE_X_TOOLKIT}" != "none"; then
1760     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1761   fi
1762 fi
1763
1764 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1765   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1766   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1767     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1768 int x = 5;
1769 #else
1770 Motif version prior to 2.1.
1771 #endif],
1772     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1773   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1774   if test $emacs_cv_motif_version_2_1 = yes; then
1775     HAVE_LIBXP=no
1776     AC_DEFINE(HAVE_MOTIF_2_1)
1777     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1778     if test ${HAVE_LIBXP} = yes; then
1779       AC_DEFINE(HAVE_LIBXP)
1780     fi
1781   fi
1782 fi
1783
1784 ### Is -lXaw3d available?
1785 HAVE_XAW3D=no
1786 if test "${HAVE_X11}" = "yes"; then
1787   if test "${USE_X_TOOLKIT}" != "none"; then
1788     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1789         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes))
1790     if test "${HAVE_XAW3D}" = "yes"; then
1791         AC_DEFINE(HAVE_XAW3D)
1792     fi
1793   fi
1794 fi
1795
1796 dnl Use toolkit scroll bars if configured for X toolkit and either
1797 dnl using Motif or Xaw3d is available, and unless
1798 dnl --with-toolkit-scroll-bars=no was specified.
1799
1800 USE_TOOLKIT_SCROLL_BARS=no
1801 if test "${with_toolkit_scroll_bars}" != "no"; then
1802   if test "${USE_X_TOOLKIT}" != "none"; then
1803     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1804       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1805       HAVE_XAW3D=no
1806       USE_TOOLKIT_SCROLL_BARS=yes
1807     elif test "${HAVE_XAW3D}" = "yes"; then
1808       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1809       USE_TOOLKIT_SCROLL_BARS=yes
1810     fi
1811   fi
1812 fi
1813
1814 dnl Don't use X11 input methods if user specifies he doesn't want it
1815 dnl with `--with-xim=no'.
1816
1817 if test "${with_xim}" != "no"; then
1818   AC_DEFINE(USE_XIM)
1819 fi
1820
1821 ### Use -lXpm if available, unless `--with-xpm=no'.
1822 HAVE_XPM=no
1823 if test "${HAVE_X11}" = "yes"; then
1824   if test "${with_xpm}" != "no"; then
1825     AC_CHECK_HEADER(X11/xpm.h,
1826       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1827     if test "${HAVE_XPM}" = "yes"; then
1828       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1829       AC_EGREP_CPP(no_return_alloc_pixels,
1830       [#include "X11/xpm.h"
1831 #ifndef XpmReturnAllocPixels
1832 no_return_alloc_pixels
1833 #endif
1834       ], HAVE_XPM=no, HAVE_XPM=yes)
1835
1836       if test "${HAVE_XPM}" = "yes"; then
1837         AC_MSG_RESULT(yes)
1838       else
1839         AC_MSG_RESULT(no)
1840       fi
1841     fi
1842   fi
1843
1844   if test "${HAVE_XPM}" = "yes"; then
1845     AC_DEFINE(HAVE_XPM)
1846   fi
1847 fi
1848
1849 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1850 HAVE_JPEG=no
1851 if test "${HAVE_X11}" = "yes"; then
1852   if test "${with_jpeg}" != "no"; then
1853     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1854     dnl  HAVE_STDLIB_H.
1855     AC_CHECK_HEADER(jerror.h,
1856       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
1857   fi
1858
1859   if test "${HAVE_JPEG}" = "yes"; then
1860     AC_DEFINE(HAVE_JPEG)
1861   fi
1862 fi
1863
1864 ### Use -lpng if available, unless `--with-png=no'.
1865 HAVE_PNG=no
1866 if test "${HAVE_X11}" = "yes"; then
1867   if test "${with_png}" != "no"; then
1868     AC_CHECK_HEADER(png.h,
1869       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm))
1870   fi
1871
1872   if test "${HAVE_PNG}" = "yes"; then
1873     AC_DEFINE(HAVE_PNG)
1874   fi
1875 fi
1876
1877 ### Use -ltiff if available, unless `--with-tiff=no'.
1878 HAVE_TIFF=no
1879 if test "${HAVE_X11}" = "yes"; then
1880   if test "${with_tiff}" != "no"; then
1881     AC_CHECK_HEADER(tiffio.h,
1882       tifflibs="-lz -lm"
1883       # At least one tiff package requires the jpeg library.
1884       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1885       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1886   fi
1887
1888   if test "${HAVE_TIFF}" = "yes"; then
1889     AC_DEFINE(HAVE_TIFF)
1890   fi
1891 fi
1892
1893 ### Use -lgif if available, unless `--with-gif=no'.
1894 HAVE_GIF=no
1895 if test "${HAVE_X11}" = "yes"; then
1896   if test "${with_gif}" != "no"; then
1897     AC_CHECK_HEADER(gif_lib.h,
1898       AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes))
1899   fi
1900
1901   if test "${HAVE_GIF}" = "yes"; then
1902     AC_DEFINE(HAVE_GIF)
1903   fi
1904 fi
1905
1906 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1907 AC_CACHE_CHECK(whether netdb declares h_errno,
1908                emacs_cv_netdb_declares_h_errno,
1909 [AC_TRY_LINK([#include <netdb.h>],
1910   [return h_errno;],
1911   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
1912 if test $emacs_cv_netdb_declares_h_errno = yes; then
1913   AC_DEFINE(HAVE_H_ERRNO)
1914 fi
1915
1916 AC_FUNC_ALLOCA
1917
1918 # fmod, logb, and frexp are found in -lm on most systems.
1919 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1920 AC_CHECK_LIB(m, sqrt)
1921
1922 # Check for mail-locking functions in a "mail" library
1923 AC_CHECK_LIB(mail, maillock)
1924 dnl Debian, at least:
1925 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1926 AC_CHECK_LIB(lockfile, maillock)
1927 # If we have the shared liblockfile, assume we must use it for mail
1928 # locking (e.g. Debian).  If we couldn't link against liblockfile
1929 # (no liblockfile.a installed), ensure that we don't need to.
1930 if test "$ac_cv_lib_lockfile_maillock" = no; then
1931   dnl This works for files generally, not just executables.
1932   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1933   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1934                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1935   if test $ac_cv_prog_liblockfile = yes; then
1936     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1937 This probably means that movemail could lose mail.
1938 There may be a \`development' package to install containing liblockfile.])
1939   else AC_DEFINE(LIBMAIL, -llockfile)
1940   fi
1941   else :
1942 fi
1943 AC_CHECK_FUNCS(touchlock)
1944 AC_CHECK_HEADERS(maillock.h)
1945
1946 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1947 rename closedir mkdir rmdir sysinfo \
1948 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1949 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1950 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1951 __fpending mblen mbrlen strsignal setitimer ualarm index rindex \
1952 gai_strerror mkstemp)
1953
1954 AC_FUNC_MKTIME
1955 if test "$ac_cv_func_working_mktime" = no; then
1956   AC_DEFINE(BROKEN_MKTIME)
1957 fi
1958
1959 AC_FUNC_GETLOADAVG
1960
1961 AC_FUNC_FSEEKO
1962
1963 # UNIX98 PTYs.
1964 AC_CHECK_FUNCS(grantpt)
1965
1966 # PTY-related GNU extensions.
1967 AC_CHECK_FUNCS(getpt)
1968
1969 # Check this now, so that we will NOT find the above functions in ncurses.
1970 # That is because we have not set up to link ncurses in lib-src.
1971 # It's better to believe a function is not available
1972 # than to expect to find it in ncurses.
1973 AC_CHECK_LIB(ncurses, tparm)
1974
1975 # Do we need the Hesiod library to provide the support routines?
1976 if test "$with_hesiod" = yes ; then
1977   # Don't set $LIBS here -- see comments above.
1978   resolv=no
1979   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
1980      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
1981                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
1982   if test "$resolv" = yes ; then
1983     RESOLVLIB=-lresolv
1984     AC_DEFINE(HAVE_LIBRESOLV)
1985   else
1986     RESOLVLIB=
1987   fi
1988   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
1989         AC_DEFINE(HAVE_LIBHESIOD), :, $RESOLVLIB)])
1990 fi
1991
1992 # These tell us which Kerberos-related libraries to use.
1993 if test "${with_kerberos+set}" = set; then
1994   AC_CHECK_LIB(com_err, com_err)
1995   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1996   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1997   AC_CHECK_LIB(krb5, krb5_init_context)
1998   if test "${with_kerberos5+set}" != set; then
1999     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2000                  AC_CHECK_LIB(des, des_cbc_encrypt))
2001     AC_CHECK_LIB(krb4, krb_get_cred,,
2002                  AC_CHECK_LIB(krb, krb_get_cred))
2003   fi
2004
2005   if test "${with_kerberos5+set}" = set; then
2006     AC_CHECK_HEADERS(krb5.h)
2007   else
2008     AC_CHECK_HEADERS(des.h,,
2009                      AC_CHECK_HEADERS(kerberosIV/des.h,,
2010                                       AC_CHECK_HEADERS(kerberos/des.h)))
2011     AC_CHECK_HEADERS(krb.h,,
2012                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
2013                                       AC_CHECK_HEADERS(kerberos/krb.h)))
2014   fi
2015   AC_CHECK_HEADERS(com_err.h)
2016 fi
2017
2018 # Solaris requires -lintl if you want strerror (which calls dgettext)
2019 # to return localized messages.
2020 AC_CHECK_LIB(intl, dgettext)
2021
2022 AC_MSG_CHECKING(whether localtime caches TZ)
2023 AC_CACHE_VAL(emacs_cv_localtime_cache,
2024 [if test x$ac_cv_func_tzset = xyes; then
2025 AC_TRY_RUN([#include <time.h>
2026 extern char **environ;
2027 unset_TZ ()
2028 {
2029   char **from, **to;
2030   for (to = from = environ; (*to = *from); from++)
2031     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2032       to++;
2033 }
2034 char TZ_GMT0[] = "TZ=GMT0";
2035 char TZ_PST8[] = "TZ=PST8";
2036 main()
2037 {
2038   time_t now = time ((time_t *) 0);
2039   int hour_GMT0, hour_unset;
2040   if (putenv (TZ_GMT0) != 0)
2041     exit (1);
2042   hour_GMT0 = localtime (&now)->tm_hour;
2043   unset_TZ ();
2044   hour_unset = localtime (&now)->tm_hour;
2045   if (putenv (TZ_PST8) != 0)
2046     exit (1);
2047   if (localtime (&now)->tm_hour == hour_GMT0)
2048     exit (1);
2049   unset_TZ ();
2050   if (localtime (&now)->tm_hour != hour_unset)
2051     exit (1);
2052   exit (0);
2053 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2054 [# If we have tzset, assume the worst when cross-compiling.
2055 emacs_cv_localtime_cache=yes])
2056 else
2057         # If we lack tzset, report that localtime does not cache TZ,
2058         # since we can't invalidate the cache if we don't have tzset.
2059         emacs_cv_localtime_cache=no
2060 fi])dnl
2061 AC_MSG_RESULT($emacs_cv_localtime_cache)
2062 if test $emacs_cv_localtime_cache = yes; then
2063   AC_DEFINE(LOCALTIME_CACHE)
2064 fi
2065
2066 if test "x$HAVE_TIMEVAL" = xyes; then
2067   AC_CHECK_FUNCS(gettimeofday)
2068   AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2069                  emacs_cv_gettimeofday_two_arguments,
2070   [AC_TRY_COMPILE([
2071 #ifdef TIME_WITH_SYS_TIME
2072 #include <sys/time.h>
2073 #include <time.h>
2074 #else
2075 #ifdef HAVE_SYS_TIME_H
2076 #include <sys/time.h>
2077 #else
2078 #include <time.h>
2079 #endif
2080 #endif],
2081     [struct timeval time;
2082      gettimeofday (&time, 0);],
2083     emacs_cv_gettimeofday_two_arguments=yes,
2084     emacs_cv_gettimeofday_two_arguments=no)])
2085   if test $emacs_cv_gettimeofday_two_arguments = no; then
2086     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2087   fi
2088 fi
2089
2090 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2091 if test "$ac_cv_func_gettimeofday" = yes; then
2092   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2093     [AC_TRY_COMPILE([#include <sys/time.h>],
2094     [struct timezone tz;],
2095     dnl It may be that we can't call gettimeofday with a non-null pointer,
2096     dnl even though we have struct timezone (e.g. HPUX).  In that case
2097     dnl we'll lie about struct timezone.
2098     [AC_TRY_RUN([
2099 #ifdef TIME_WITH_SYS_TIME
2100 #include <sys/time.h>
2101 #include <time.h>
2102 #else
2103 #ifdef HAVE_SYS_TIME_H
2104 #include <sys/time.h>
2105 #else
2106 #include <time.h>
2107 #endif
2108 #endif
2109 main () {
2110   struct timeval time;
2111   struct timezone dummy;
2112   exit (gettimeofday (&time, &dummy));
2113 }],
2114       emacs_cv_struct_timezone=yes,
2115       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2116     emacs_cv_struct_timezone=no)])
2117 fi
2118
2119 ok_so_far=yes
2120 AC_CHECK_FUNC(socket, , ok_so_far=no)
2121 if test $ok_so_far = yes; then
2122   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2123 fi
2124 if test $ok_so_far = yes; then
2125   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2126 fi
2127 if test $ok_so_far = yes; then
2128   AC_DEFINE(HAVE_INET_SOCKETS)
2129 fi
2130
2131 if test -f /usr/lpp/X11/bin/smt.exp; then
2132   AC_DEFINE(HAVE_AIX_SMT_EXP)
2133 fi
2134
2135 AC_MSG_CHECKING(whether system supports dynamic ptys)
2136 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2137   AC_MSG_RESULT(yes)
2138   AC_DEFINE(HAVE_DEV_PTMX)
2139 else
2140   AC_MSG_RESULT(no)
2141 fi
2142
2143 AC_FUNC_VFORK
2144
2145 # Fixme: This should be replaced when we have autoconf 2.14.
2146 AC_SIZE_T
2147
2148 # Set up the CFLAGS for real compilation, so we can substitute it.
2149 CFLAGS="$REAL_CFLAGS"
2150 CPPFLAGS="$REAL_CPPFLAGS"
2151
2152 changequote(, )dnl
2153 #### Find out which version of Emacs this is.
2154 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
2155          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2156 changequote([, ])dnl
2157 if test x"${version}" = x; then
2158   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2159 fi
2160
2161 ### Specify what sort of things we'll be editing into Makefile and config.h.
2162 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2163 AC_SUBST(version)
2164 AC_SUBST(configuration)
2165 AC_SUBST(canonical)
2166 AC_SUBST(srcdir)
2167 AC_SUBST(prefix)
2168 AC_SUBST(exec_prefix)
2169 AC_SUBST(bindir)
2170 AC_SUBST(datadir)
2171 AC_SUBST(sharedstatedir)
2172 AC_SUBST(libexecdir)
2173 AC_SUBST(mandir)
2174 AC_SUBST(infodir)
2175 AC_SUBST(lispdir)
2176 AC_SUBST(locallisppath)
2177 AC_SUBST(lisppath)
2178 AC_SUBST(x_default_search_path)
2179 AC_SUBST(etcdir)
2180 AC_SUBST(archlibdir)
2181 AC_SUBST(docdir)
2182 AC_SUBST(bitmapdir)
2183 AC_SUBST(c_switch_system)
2184 AC_SUBST(c_switch_machine)
2185 AC_SUBST(LD_SWITCH_X_SITE)
2186 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2187 AC_SUBST(C_SWITCH_X_SITE)
2188 AC_SUBST(CFLAGS)
2189 AC_SUBST(X_TOOLKIT_TYPE)
2190 AC_SUBST(machfile)
2191 AC_SUBST(opsysfile)
2192 AC_SUBST(GETLOADAVG_LIBS)
2193
2194 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2195 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2196 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2197 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2198 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2199 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2200 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2201 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2202
2203 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2204   AC_DEFINE(HAVE_X_WINDOWS)
2205 fi
2206 if test "${USE_X_TOOLKIT}" != "none" ; then
2207   AC_DEFINE(USE_X_TOOLKIT)
2208 fi
2209 if test "${HAVE_X11}" = "yes" ; then
2210   AC_DEFINE(HAVE_X11)
2211 fi
2212 if test "${HAVE_XFREE386}" = "yes" ; then
2213   AC_DEFINE(HAVE_XFREE386)
2214 fi
2215 if test "${HAVE_MENUS}" = "yes" ; then
2216   AC_DEFINE(HAVE_MENUS)
2217 fi
2218 if test "${GNU_MALLOC}" = "yes" ; then
2219   AC_DEFINE(GNU_MALLOC)
2220 fi
2221 if test "${REL_ALLOC}" = "yes" ; then
2222   AC_DEFINE(REL_ALLOC)
2223 fi
2224
2225 AC_CHECK_HEADERS(nlist.h, [AC_DEFINE(NLIST_STRUCT, 1,
2226                  [Define if you have <nlist.h>.])])
2227
2228 #### Report on what we decided to do.
2229 echo "
2230 Configured for \`${canonical}'.
2231
2232   Where should the build process find the source code?    ${srcdir}
2233   What operating system and machine description files should Emacs use?
2234         \`${opsysfile}' and \`${machfile}'
2235   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2236   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2237   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2238   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
2239   What window system should Emacs use?                    ${window_system}
2240   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2241
2242 if test -n "${x_includes}"; then
2243 echo "  Where do we find X Windows header files?                ${x_includes}"
2244 else
2245 echo "  Where do we find X Windows header files?                Standard dirs"
2246 fi
2247 if test -n "${x_libraries}"; then
2248 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2249 else
2250 echo "  Where do we find X Windows libraries?                   Standard dirs"
2251 fi
2252
2253 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2254 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2255 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2256 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2257 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2258 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2259 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2260 echo
2261
2262 # Remove any trailing slashes in these variables.
2263 changequote(, )dnl
2264 test "${prefix}" != NONE &&
2265   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2266 test "${exec_prefix}" != NONE &&
2267   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2268 changequote([, ])dnl
2269
2270 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
2271 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2272 ## from Makefile.c can correctly provide the arg `-traditional' to the
2273 ## C preprocessor.
2274
2275 AC_EGREP_CPP(yes..yes,
2276         [yes..yes],
2277         CPP_NEED_TRADITIONAL=no,
2278         CPP_NEED_TRADITIONAL=yes)
2279
2280 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2281         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2282         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
2283
2284 ### Make the necessary directories, if they don't exist.
2285 for dir in etc lisp ; do
2286   test -d ${dir} || mkdir ${dir}
2287 done
2288
2289 # Build src/Makefile from ${srcdir}/src/Makefile.c
2290 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2291 # This must be done after src/config.h is built, since we rely on that file.
2292
2293 changequote(, )dnl The horror, the horror.
2294 # Now get this: Some word that is part of the ${srcdir} directory name
2295 # or the ${configuration} value might, just might, happen to be an
2296 # identifier like `sun4' or `i386' or something, and be predefined by
2297 # the C preprocessor to some helpful value like 1, or maybe the empty
2298 # string.  Needless to say consequent macro substitutions are less
2299 # than conducive to the makefile finding the correct directory.
2300 undefs="`echo $top_srcdir $configuration $canonical |
2301 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2302     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2303 `"
2304 changequote([, ])dnl
2305
2306 echo creating src/epaths.h
2307 ${MAKE-make} epaths-force
2308
2309 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2310 # `..' to `. .'  unless invoked with -traditional
2311
2312 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
2313   CPPFLAGS="$CPPFLAGS -traditional"
2314 fi
2315
2316 echo creating lib-src/Makefile
2317 ( cd lib-src
2318   rm -f junk.c junk1.c junk2.c
2319   sed -e '/start of cpp stuff/q' \
2320       < Makefile.c > junk1.c
2321   sed -e '1,/start of cpp stuff/d'\
2322       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2323       < Makefile.c > junk.c
2324   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2325       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2326   cat junk1.c junk2.c > Makefile.new
2327   rm -f junk.c junk1.c junk2.c
2328   chmod 444 Makefile.new
2329   mv -f Makefile.new Makefile
2330 )
2331
2332 echo creating src/Makefile
2333 ( cd src
2334   rm -f junk.c junk1.c junk2.c
2335   sed -e '/start of cpp stuff/q' \
2336       < Makefile.c > junk1.c
2337   sed -e '1,/start of cpp stuff/d'\
2338       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2339       < Makefile.c > junk.c
2340   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2341       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2342   cat junk1.c junk2.c > Makefile.new
2343   rm -f junk.c junk1.c junk2.c
2344   chmod 444 Makefile.new
2345   mv -f Makefile.new Makefile
2346 )
2347
2348 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
2349   echo creating src/.gdbinit
2350   echo source $srcdir/src/.gdbinit > src/.gdbinit
2351 fi
2352
2353 # This is how we know whether to re-run configure in certain cases.
2354 touch src/config.stamp
2355
2356 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
2357