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, 2002, 2003, 2004, 2005, 2006
   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., 51 Franklin Street, Fifth Floor,
  24 dnl  Boston, MA 02110-1301, USA.
  25
  26 AC_PREREQ(2.61)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 '${datadir}/emacs/site-lisp'
  37 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
  38 etcdir='${datadir}/emacs/${version}/etc'
  39 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  40 docdir='${datadir}/emacs/${version}/etc'
  41 gamedir='${localstatedir}/games/emacs'
  42
  43 gameuser=games
  44
  45 AC_ARG_WITH(gcc,
  46 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  47 AC_ARG_WITH(pop,
  48 [  --without-pop           don't support POP mail retrieval with movemail],
  49 [if test "$withval" = yes; then
  50    AC_DEFINE(MAIL_USE_POP)
  51 else :
  52 fi],
  53 AC_DEFINE(MAIL_USE_POP))
  54 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  55 AC_ARG_WITH(kerberos,
  56 [  --with-kerberos         support Kerberos-authenticated POP],
  57 [AC_DEFINE(KERBEROS)])
  58 AH_TEMPLATE(KERBEROS,
  59             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  60 AC_ARG_WITH(kerberos5,
  61 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  62 [if test "${with_kerberos5+set}" = set; then
  63   if test "${with_kerberos+set}" != set; then
  64     with_kerberos=yes
  65     AC_DEFINE(KERBEROS)
  66   fi
  67 fi
  68 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])])
  69 AC_ARG_WITH(hesiod,
  70 [  --with-hesiod           support Hesiod to get the POP server host],
  71 [AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])])
  72
  73 AC_ARG_WITH(sound,
  74 [  --without-sound         don't compile with sound support])
  75
  76 dnl This should be the last --with option, because --with-x is
  77 dnl added later on when we find the path of X, and it's best to
  78 dnl keep them together visually.
  79 AC_ARG_WITH(x-toolkit,
  80 [  --with-x-toolkit=KIT    use an X toolkit
  81                               (KIT = yes/lucid/athena/motif/gtk/no)],
  82 [         case "${withval}" in
  83             y | ye | yes )      val=athena ;;
  84             n | no )            val=no  ;;
  85             l | lu | luc | luci | lucid )       val=lucid ;;
  86             a | at | ath | athe | athen | athena )      val=athena ;;
  87             m | mo | mot | moti | motif )       val=motif ;;
  88             g | gt | gtk  )     val=gtk ;;
  89 dnl These don't currently work.
  90 dnl         o | op | ope | open | open- | open-l | open-lo \
  91 dnl             | open-loo | open-look )        val=open-look ;;
  92             * )
  93 dnl AC_MSG_ERROR([the `--with-x-toolkit' option is supposed to have a value
  94 dnl which is `yes', `no', `lucid', `athena', `motif' or `open-look'.])
  95 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid\;
  96 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
  97 Currently, `yes', `athena' and `lucid' are synonyms.])
  98             ;;
  99           esac
 100           with_x_toolkit=$val
 101 ])
 102 AC_ARG_WITH(xpm,
 103 [  --with-xpm              use -lXpm for displaying XPM images])
 104 AC_ARG_WITH(jpeg,
 105 [  --with-jpeg             use -ljpeg for displaying JPEG images])
 106 AC_ARG_WITH(tiff,
 107 [  --with-tiff             use -ltiff for displaying TIFF images])
 108 AC_ARG_WITH(gif,
 109 [  --with-gif              use -lungif for displaying GIF images])
 110 AC_ARG_WITH(png,
 111 [  --with-png              use -lpng for displaying PNG images])
 112 AC_ARG_WITH(freetype,
 113 [  --with-freetype         use -lfreetype for local fonts support])
 114 AC_ARG_WITH(xft,
 115 [  --with-xft              use -lXft for anti aliased fonts])
 116 AC_ARG_WITH(gtk,
 117 [  --with-gtk              use GTK (same as --with-x-toolkit=gtk)])
 118 AC_ARG_WITH(pkg-config-prog,
 119 [  --with-pkg-config-prog  Path to pkg-config to use for finding GTK])
 120 AC_ARG_WITH(toolkit-scroll-bars,
 121 [  --without-toolkit-scroll-bars
 122                           don't use Motif or Xaw3d scroll bars])
 123 AC_ARG_WITH(xim,
 124 [  --without-xim           don't use X11 XIM])
 125 AC_ARG_WITH(carbon,
 126 [  --without-carbon        don't use Carbon GUI on Mac OS X])
 127 AC_ARG_ENABLE(carbon-app,
 128 [[  --enable-carbon-app[=DIR]  [DIR=/Application]
 129                           specify install directory for Emacs.app on Mac OS X]],
 130 [ carbon_appdir_x=${enableval}])
 131
 132 AC_ARG_ENABLE(font-backend,
 133 [  --enable-font-backend   compile code of font-backend support],
 134       USE_FONT_BACKEND=$enableval,
 135       USE_FONT_BACKEND=no)
 136
 137 AC_ARG_ENABLE(asserts,
 138 [  --enable-asserts        compile code with asserts enabled],
 139       USE_XASSERTS=$enableval,
 140       USE_XASSERTS=no)
 141
 142 AC_ARG_ENABLE(maintainer-mode,
 143 [  --enable-maintainer-mode enable make rules and dependencies not useful
 144                           (and sometimes confusing) to the casual installer],
 145       USE_MAINTAINER_MODE=$enableval,
 146       USE_MAINTAINER_MODE=no)
 147 if test $USE_MAINTAINER_MODE = yes; then
 148   MAINT=
 149 else
 150   MAINT=#
 151 fi
 152 AC_SUBST(MAINT)
 153
 154 AC_ARG_ENABLE(locallisppath,
 155 [  --enable-locallisppath=PATH
 156                           directories Emacs should search for lisp files
 157                           specific to this site],
 158 if test "${enableval}" = "no"; then
 159   locallisppath=
 160 elif test "${enableval}" != "yes"; then
 161   locallisppath=${enableval}
 162 fi)
 163
 164 #### Make srcdir absolute, if it isn't already.  It's important to
 165 #### avoid running the path through pwd unnecessarily, since pwd can
 166 #### give you automounter prefixes, which can go away.  We do all this
 167 #### so Emacs can find its files when run uninstalled.
 168 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 169 unset CDPATH
 170 case "${srcdir}" in
 171   /* ) ;;
 172   . )
 173     ## We may be able to use the $PWD environment variable to make this
 174     ## absolute.  But sometimes PWD is inaccurate.
 175     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 176     ## but that tested only for a well-formed and valid PWD,
 177     ## it did not object when PWD was well-formed and valid but just wrong.
 178     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 179     then
 180       srcdir="$PWD"
 181     else
 182       srcdir="`(cd ${srcdir}; pwd)`"
 183     fi
 184   ;;
 185   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 186 esac
 187
 188 #### Check if the source directory already has a configured system in it.
 189 if test `pwd` != `(cd ${srcdir} && pwd)` \
 190    && test -f "${srcdir}/src/config.h" ; then
 191   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 192    as a build directory right now; it has been configured in its own
 193    right.  To configure in another directory as well, you MUST
 194    use GNU make.  If you do not have GNU make, then you must
 195    now do `make distclean' in ${srcdir},
 196    and then run $0 again.]])
 197 fi
 198
 199 #### Given the configuration name, set machfile and opsysfile to the
 200 #### names of the m/*.h and s/*.h files we should use.
 201
 202 ### Canonicalize the configuration name.
 203
 204 AC_CANONICAL_HOST
 205 canonical=$host
 206 configuration=${host_alias-$host}
 207
 208 dnl This used to use changequote, but, apart from `changequote is evil'
 209 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 210 dnl the great gob of text.  Thus it's not processed for possible expansion.
 211 dnl Just make sure the brackets remain balanced.
 212 dnl
 213 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 214 dnl indicated by comments.
 215 dnl quotation begins
 216 [
 217
 218 ### If you add support for a new configuration, add code to this
 219 ### switch statement to recognize your configuration name and select
 220 ### the appropriate operating system and machine description files.
 221
 222 ### You would hope that you could choose an m/*.h file pretty much
 223 ### based on the machine portion of the configuration name, and an s-
 224 ### file based on the operating system portion.  However, it turns out
 225 ### that each m/*.h file is pretty manufacturer-specific - for
 226 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 227 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 228 ### machines.  So we basically have to have a special case for each
 229 ### configuration name.
 230 ###
 231 ### As far as handling version numbers on operating systems is
 232 ### concerned, make sure things will fail in a fixable way.  If
 233 ### /etc/MACHINES doesn't say anything about version numbers, be
 234 ### prepared to handle anything reasonably.  If version numbers
 235 ### matter, be sure /etc/MACHINES says something about it.
 236 ###
 237 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 238 ### "System V Release 4"; he writes, "The old convention encouraged
 239 ### confusion between `system' and `release' levels'."
 240
 241 machine='' opsys='' unported=no
 242 case "${canonical}" in
 243
 244   ## FreeBSD ports
 245   *-*-freebsd* )
 246     opsys=freebsd
 247     case "${canonical}" in
 248       alpha*-*-freebsd*)        machine=alpha ;;
 249       ia64-*-freebsd*)          machine=ia64 ;;
 250       sparc64-*-freebsd*)       machine=sparc ;;
 251       powerpc-*-freebsd*)       machine=macppc ;;
 252       i[3456]86-*-freebsd*)     machine=intel386 ;;
 253       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 254     esac
 255   ;;
 256
 257   ## NetBSD ports
 258   *-*-netbsd* )
 259     opsys=netbsd
 260     if test -f /usr/lib/crti.o; then]
 261 dnl The close and open brackets here are because this section is quoted --
 262 dnl see the `changequote' comment above.
 263       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 264 [   fi
 265
 266     case "${canonical}" in
 267       alpha*-*-netbsd*) machine=alpha ;;
 268       i[3456]86-*-netbsd*) machine=intel386 ;;
 269       m68k-*-netbsd*)
 270                         # This is somewhat bogus.
 271                         machine=hp9000s300 ;;
 272       mips-*-netbsd*)   machine=pmax ;;
 273       mipsel-*-netbsd*) machine=pmax ;;
 274       mipseb-*-netbsd*) machine=pmax ;;
 275       ns32k-*-netbsd*)  machine=ns32000 ;;
 276       powerpc-*-netbsd*) machine=macppc ;;
 277       sparc*-*-netbsd*) machine=sparc ;;
 278       vax-*-netbsd*)    machine=vax ;;
 279       arm-*-netbsd*)    machine=arm ;;
 280       x86_64-*-netbsd*) machine=amdx86-64 ;;
 281       hppa-*-netbsd*)   machine=hp800 ;;
 282       shle-*-netbsd*)   machine=sh3el ;;
 283     esac
 284   ;;
 285
 286   ## OpenBSD ports
 287   *-*-openbsd* )
 288     opsys=openbsd
 289     case "${canonical}" in
 290       alpha*-*-openbsd*)        machine=alpha ;;
 291       i386-*-openbsd*)  machine=intel386 ;;
 292       x86_64-*-openbsd*)    machine=amdx86-64 ;;
 293       m68k-*-openbsd*)  machine=hp9000s300 ;;
 294       mipsel-*-openbsd*) machine=pmax ;;
 295       ns32k-*-openbsd*) machine=ns32000 ;;
 296       sparc-*-openbsd*) machine=sparc ;;
 297       vax-*-openbsd*)   machine=vax ;;
 298     esac
 299   ;;
 300
 301   ## LynxOS ports
 302   *-*-lynxos* )
 303     opsys=lynxos
 304     case "${canonical}" in
 305       i[3456]86-*-lynxos*) machine=intel386 ;;
 306       powerpc-*-lynxos*) machine=powerpc ;;
 307     esac
 308   ;;
 309
 310   ## Acorn RISCiX:
 311   arm-acorn-riscix1.1* )
 312     machine=acorn opsys=riscix1-1
 313   ;;
 314   arm-acorn-riscix1.2* | arm-acorn-riscix )
 315     ## This name is riscix12 instead of riscix1.2
 316     ## to avoid a file name conflict on MSDOS.
 317     machine=acorn opsys=riscix12
 318   ;;
 319
 320   ## BSDI ports
 321   *-*-bsdi* )
 322     opsys=bsdi
 323     case "${canonical}" in
 324       i[345]86-*-bsdi*) machine=intel386 ;;
 325       sparc-*-bsdi*)  machine=sparc ;;
 326       powerpc-*-bsdi*)  machine=macppc ;;
 327     esac
 328     case "${canonical}" in
 329       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 330       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 331       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 332       *-*-bsdi3* )              opsys=bsdos3 ;;
 333       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 334     esac
 335   ;;
 336
 337   ## Alliant machines
 338   ## Strictly speaking, we need the version of the alliant operating
 339   ## system to choose the right machine file, but currently the
 340   ## configuration name doesn't tell us enough to choose the right
 341   ## one; we need to give alliants their own operating system name to
 342   ## do this right.  When someone cares, they can help us.
 343   fx80-alliant-* )
 344     machine=alliant4 opsys=bsd4-2
 345   ;;
 346   i860-alliant-* )
 347     machine=alliant-2800 opsys=bsd4-3
 348   ;;
 349
 350   ## Alpha (DEC) machines.
 351   alpha*-dec-osf* )
 352     machine=alpha opsys=osf1
 353     # This is needed to find X11R6.1 libraries for certain tests.
 354     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 355     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 356     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 357     # due to non-traditional preprocessing with the current compiler
 358     # defaults.  OSF 4 can also have that compiler version, and there
 359     # seems always to have been a usable /usr/bin/cpp.
 360     NON_GNU_CPP=/usr/bin/cpp
 361     case "${canonical}" in
 362     alpha*-dec-osf[5-9]*)
 363       opsys=osf5-0 ;;
 364     esac
 365   ;;
 366
 367   alpha*-*-linux-gnu* )
 368     machine=alpha opsys=gnu-linux
 369   ;;
 370
 371   arm*-*-linux-gnu* )
 372     machine=arm opsys=gnu-linux
 373   ;;
 374
 375   ## Altos 3068
 376   m68*-altos-sysv* )
 377     machine=altos opsys=usg5-2
 378   ;;
 379
 380   ## Amdahl UTS
 381   580-amdahl-sysv* )
 382     machine=amdahl opsys=usg5-2-2
 383   ;;
 384
 385   ## Apollo, Domain/OS
 386   m68*-apollo-* )
 387     machine=apollo opsys=bsd4-3
 388   ;;
 389
 390   ## AT&T 3b2, 3b5, 3b15, 3b20
 391   we32k-att-sysv* )
 392     machine=att3b opsys=usg5-2-2
 393   ;;
 394
 395   ## AT&T 3b1 - The Mighty Unix PC!
 396   m68*-att-sysv* )
 397     machine=7300 opsys=usg5-2-2
 398   ;;
 399
 400   ## Bull dpx20
 401   rs6000-bull-bosx* )
 402     machine=ibmrs6000 opsys=aix3-2
 403   ;;
 404
 405   ## Bull dpx2
 406   m68*-bull-sysv3* )
 407     machine=dpx2 opsys=usg5-3
 408   ;;
 409
 410   ## Bull sps7
 411   m68*-bull-sysv2* )
 412     machine=sps7 opsys=usg5-2
 413   ;;
 414
 415   ## CCI 5/32, 6/32 -- see "Tahoe".
 416
 417   ## Celerity
 418   ## I don't know what configuration name to use for this; config.sub
 419   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 420   ## in touch with us!
 421   celerity-celerity-bsd* )
 422     machine=celerity opsys=bsd4-2
 423   ;;
 424
 425   ## Clipper
 426   ## What operating systems does this chip run that Emacs has been
 427   ## tested on?
 428   clipper-* )
 429     machine=clipper
 430     ## We'll use the catch-all code at the bottom to guess the
 431     ## operating system.
 432   ;;
 433
 434   ## Compaq Nonstop
 435   mips-compaq-nonstopux* )
 436     machine=nonstopux opsys=nonstopux
 437     ;;
 438
 439   ## Convex
 440   *-convex-bsd* | *-convex-convexos* )
 441     machine=convex opsys=bsd4-3
 442     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 443     NON_GNU_CPP="cc -E -P"
 444   ;;
 445
 446   ## Cubix QBx/386
 447   i[3456]86-cubix-sysv* )
 448     machine=intel386 opsys=usg5-3
 449   ;;
 450
 451   ## Cydra 5
 452   cydra*-cydrome-sysv* )
 453     machine=cydra5 opsys=usg5-3
 454   ;;
 455
 456   ## Data General AViiON Machines
 457   ## DG changed naming conventions with the release of 5.4.4.10, they
 458   ## dropped the initial 5.4 but left the intervening R.  Because of the
 459   ## R this shouldn't conflict with older versions of the OS (which I
 460   ## think were named like dgux4.*). In addition, DG new AViiONs series
 461   ## uses either Motorola M88k or Intel Pentium CPUs.
 462   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 463     machine=aviion opsys=dgux4
 464   ;;
 465   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 466     ## This name is dgux5-4-3 instead of dgux5-4r3
 467     ## to avoid a file name conflict on MSDOS.
 468     machine=aviion opsys=dgux5-4-3
 469   ;;
 470   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 471     machine=aviion opsys=dgux5-4r2
 472   ;;
 473   m88k-dg-dgux* )
 474     machine=aviion opsys=dgux
 475   ;;
 476
 477   ## Data General AViiON Intel (x86) Machines
 478   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 479   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 480   i[345]86-dg-dguxR4* )
 481     machine=aviion-intel opsys=dgux4
 482   ;;
 483
 484   ## DECstations
 485   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 486     machine=pmax opsys=bsd4-2
 487   ;;
 488   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 489     machine=pmax opsys=bsd4-3
 490   ;;
 491   mips-dec-ultrix* )
 492     machine=pmax opsys=ultrix4-3
 493   ;;
 494   mips-dec-osf* )
 495     machine=pmax opsys=osf1
 496   ;;
 497   mips-dec-mach_bsd4.3* )
 498     machine=pmax opsys=mach-bsd4-3
 499   ;;
 500
 501   ## Motorola Delta machines
 502   m68k-motorola-sysv* | m68000-motorola-sysv* )
 503     machine=delta opsys=usg5-3
 504     if test -z "`type gnucc | grep 'not found'`"
 505     then
 506       if test -s /etc/167config
 507       then CC="gnucc -m68040"
 508       else CC="gnucc -m68881"
 509       fi
 510     else
 511       if test -z "`type gcc | grep 'not found'`"
 512       then CC=gcc
 513       else CC=cc
 514       fi
 515     fi
 516   ;;
 517   m88k-motorola-sysv4* )
 518     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 519     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 520     # I hope there are not other 4.0 versions for this machine
 521     # which really need usg5-4 instead.
 522     machine=delta88k opsys=usg5-4-2
 523   ;;
 524   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 525     machine=delta88k opsys=usg5-3
 526   ;;
 527
 528   ## Dual machines
 529   m68*-dual-sysv* )
 530     machine=dual opsys=usg5-2
 531   ;;
 532   m68*-dual-uniplus* )
 533     machine=dual opsys=unipl5-2
 534   ;;
 535
 536   ## Elxsi 6400
 537   elxsi-elxsi-sysv* )
 538     machine=elxsi opsys=usg5-2
 539   ;;
 540
 541   ## Encore machines
 542   ns16k-encore-bsd* )
 543     machine=ns16000 opsys=umax
 544   ;;
 545
 546   ## The GEC 63 - apparently, this port isn't really finished yet.
 547   #  I'm sure we finished off the last of the machines, though.  -- fx
 548
 549   ## Gould Power Node and NP1
 550   pn-gould-bsd4.2* )
 551     machine=gould opsys=bsd4-2
 552   ;;
 553   pn-gould-bsd4.3* )
 554     machine=gould opsys=bsd4-3
 555   ;;
 556   np1-gould-bsd* )
 557     machine=gould-np1 opsys=bsd4-3
 558   ;;
 559
 560   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 561   ## as far as Emacs is concerned).
 562   m88k-harris-cxux* )
 563     # Build needs to be different on 7.0 and later releases
 564     case "`uname -r`" in
 565        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 566        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 567     esac
 568     NON_GNU_CPP="/lib/cpp"
 569   ;;
 570   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 571   m68k-harris-cxux* )
 572     machine=nh3000 opsys=cxux
 573   ;;
 574   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 575   powerpc-harris-powerunix )
 576     machine=nh6000 opsys=powerunix
 577     NON_GNU_CPP="cc -Xo -E -P"
 578   ;;
 579   ## SR2001/SR2201 running HI-UX/MPP
 580   hppa1.1-hitachi-hiuxmpp* )
 581     machine=sr2k opsys=hiuxmpp
 582   ;;
 583   hppa1.1-hitachi-hiuxwe2* )
 584     machine=sr2k opsys=hiuxwe2
 585   ;;
 586   ## Honeywell XPS100
 587   xps*-honeywell-sysv* )
 588     machine=xps100 opsys=usg5-2
 589   ;;
 590
 591   ## HP 9000 series 200 or 300
 592   m68*-hp-bsd* )
 593     machine=hp9000s300 opsys=bsd4-3
 594   ;;
 595   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 596   m68*-hp-hpux* )
 597     case "`uname -r`" in
 598       ## Someone's system reports A.B8.05 for this.
 599       ## I wonder what other possibilities there are.
 600       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 601       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 602       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 603       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 604       *) machine=hp9000s300 opsys=hpux ;;
 605     esac
 606   ;;
 607
 608   ## HP 9000 series 700 and 800, running HP/UX
 609   hppa*-hp-hpux7* )
 610     machine=hp800 opsys=hpux
 611   ;;
 612   hppa*-hp-hpux8* )
 613     machine=hp800 opsys=hpux8
 614   ;;
 615   hppa*-hp-hpux9shr* )
 616     machine=hp800 opsys=hpux9shr
 617   ;;
 618   hppa*-hp-hpux9* )
 619     machine=hp800 opsys=hpux9
 620   ;;
 621   hppa*-hp-hpux10.2* )
 622     machine=hp800 opsys=hpux10-20
 623   ;;
 624   hppa*-hp-hpux10* )
 625     machine=hp800 opsys=hpux10
 626   ;;
 627   hppa*-hp-hpux1[1-9]* )
 628     machine=hp800 opsys=hpux11
 629     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 630   ;;
 631
 632   hppa*-*-linux-gnu* )
 633     machine=hp800 opsys=gnu-linux
 634   ;;
 635
 636   ## HP 9000 series 700 and 800, running HP/UX
 637   hppa*-hp-hpux* )
 638     ## Cross-compilation?  Nah!
 639     case "`uname -r`" in
 640       ## Someone's system reports A.B8.05 for this.
 641       ## I wonder what other possibilities there are.
 642       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 643       *.08.* ) machine=hp800 opsys=hpux8 ;;
 644       *.09.* ) machine=hp800 opsys=hpux9 ;;
 645       *) machine=hp800 opsys=hpux10 ;;
 646     esac
 647   ;;
 648   hppa*-*-nextstep* )
 649     machine=hp800 opsys=nextstep
 650   ;;
 651
 652   ## Orion machines
 653   orion-orion-bsd* )
 654     machine=orion opsys=bsd4-2
 655   ;;
 656   clipper-orion-bsd* )
 657     machine=orion105 opsys=bsd4-2
 658   ;;
 659
 660   ## IBM machines
 661   i[3456]86-ibm-aix1.1* )
 662     machine=ibmps2-aix opsys=usg5-2-2
 663   ;;
 664   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 665     machine=ibmps2-aix opsys=usg5-3
 666   ;;
 667   i370-ibm-aix*)
 668     machine=ibm370aix opsys=usg5-3
 669   ;;
 670   s390-*-linux-gnu* )
 671     machine=ibms390 opsys=gnu-linux
 672   ;;
 673   s390x-*-linux-gnu* )
 674     machine=ibms390x opsys=gnu-linux
 675   ;;
 676   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 677     machine=ibmrs6000 opsys=aix3-1
 678   ;;
 679   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 680     machine=ibmrs6000 opsys=aix3-2-5
 681   ;;
 682   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 683     machine=ibmrs6000 opsys=aix4-1
 684   ;;
 685   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 686     machine=ibmrs6000 opsys=aix4-2
 687   ;;
 688   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 689     machine=ibmrs6000 opsys=aix4-2
 690   ;;
 691   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 692     machine=ibmrs6000 opsys=aix4
 693   ;;
 694   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 695     machine=ibmrs6000 opsys=aix4-1
 696   ;;
 697   rs6000-ibm-aix* | powerpc-ibm-aix* )
 698     machine=ibmrs6000 opsys=aix3-2
 699   ;;
 700   romp-ibm-bsd4.3* )
 701     machine=ibmrt opsys=bsd4-3
 702   ;;
 703   romp-ibm-bsd4.2* )
 704     machine=ibmrt opsys=bsd4-2
 705   ;;
 706   romp-ibm-aos4.3* )
 707     machine=ibmrt opsys=bsd4-3
 708   ;;
 709   romp-ibm-aos4.2* )
 710     machine=ibmrt opsys=bsd4-2
 711   ;;
 712   romp-ibm-aos* )
 713     machine=ibmrt opsys=bsd4-3
 714   ;;
 715   romp-ibm-bsd* )
 716     machine=ibmrt opsys=bsd4-3
 717   ;;
 718   romp-ibm-aix* )
 719     machine=ibmrt-aix opsys=usg5-2-2
 720   ;;
 721
 722   ## Integrated Solutions `Optimum V'
 723   m68*-isi-bsd4.2* )
 724     machine=isi-ov opsys=bsd4-2
 725   ;;
 726   m68*-isi-bsd4.3* )
 727     machine=isi-ov opsys=bsd4-3
 728   ;;
 729
 730   ## Intel 386 machines where we do care about the manufacturer
 731   i[3456]86-intsys-sysv* )
 732     machine=is386 opsys=usg5-2-2
 733   ;;
 734
 735   ## Prime EXL
 736   i[3456]86-prime-sysv* )
 737     machine=i386 opsys=usg5-3
 738   ;;
 739
 740   ## Sequent Symmetry running Dynix
 741   i[3456]86-sequent-bsd* )
 742     machine=symmetry opsys=bsd4-3
 743   ;;
 744
 745   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 746   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 747     machine=sequent-ptx opsys=ptx4
 748     NON_GNU_CPP=/lib/cpp
 749   ;;
 750
 751   ## Sequent Symmetry running DYNIX/ptx
 752   ## Use the old cpp rather than the newer ANSI one.
 753   i[3456]86-sequent-ptx* )
 754     machine=sequent-ptx opsys=ptx
 755     NON_GNU_CPP="/lib/cpp"
 756   ;;
 757
 758   ## ncr machine running svr4.3.
 759   i[3456]86-ncr-sysv4.3 )
 760     machine=ncr386 opsys=usg5-4-3
 761   ;;
 762
 763   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 764   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 765   i[3456]86-ncr-sysv* )
 766     machine=ncr386 opsys=usg5-4-2
 767   ;;
 768
 769   ## Intel Paragon OSF/1
 770   i860-intel-osf1* )
 771     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 772   ;;
 773
 774   ## Intel 860
 775   i860-*-sysv4* )
 776     machine=i860 opsys=usg5-4
 777     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 778     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 779   ;;
 780
 781   ## Macintosh PowerPC
 782   powerpc*-*-linux-gnu* )
 783     machine=macppc opsys=gnu-linux
 784   ;;
 785
 786   ## Masscomp machines
 787   m68*-masscomp-rtu* )
 788     machine=masscomp opsys=rtu
 789   ;;
 790
 791   ## Megatest machines
 792   m68*-megatest-bsd* )
 793     machine=mega68 opsys=bsd4-2
 794   ;;
 795
 796   ## Workstations sold by MIPS
 797   ## This is not necessarily all workstations using the MIPS processor -
 798   ## Irises are produced by SGI, and DECstations by DEC.
 799
 800   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 801   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 802   ## it gives for choosing between the alternatives seems to be "Use
 803   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 804   ## the BSD world."  I'll assume that these are instructions for
 805   ## handling two odd situations, and that every other situation
 806   ## should use mips.h and usg5-2-2, they being listed first.
 807   mips-mips-usg* )
 808     machine=mips4
 809     ## Fall through to the general code at the bottom to decide on the OS.
 810   ;;
 811   mips-mips-riscos4* )
 812     machine=mips4 opsys=bsd4-3
 813     NON_GNU_CC="cc -systype bsd43"
 814     NON_GNU_CPP="cc -systype bsd43 -E"
 815   ;;
 816   mips-mips-riscos5* )
 817     machine=mips4 opsys=riscos5
 818     NON_GNU_CC="cc -systype bsd43"
 819     NON_GNU_CPP="cc -systype bsd43 -E"
 820   ;;
 821   mips-mips-bsd* )
 822     machine=mips opsys=bsd4-3
 823   ;;
 824   mips-mips-* )
 825     machine=mips opsys=usg5-2-2
 826   ;;
 827
 828   ## NeXT
 829   m68*-next-* | m68k-*-nextstep* )
 830     machine=m68k opsys=nextstep
 831   ;;
 832
 833   ## The complete machine from National Semiconductor
 834   ns32k-ns-genix* )
 835     machine=ns32000 opsys=usg5-2
 836   ;;
 837
 838   ## NCR machines
 839   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 840     machine=tower32 opsys=usg5-2-2
 841   ;;
 842   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 843     machine=tower32v3 opsys=usg5-3
 844   ;;
 845
 846   ## NEC EWS4800
 847   mips-nec-sysv4*)
 848   machine=ews4800 opsys=ux4800
 849   ;;
 850
 851   ## Nixdorf Targon 31
 852   m68*-nixdorf-sysv* )
 853     machine=targon31 opsys=usg5-2-2
 854   ;;
 855
 856   ## Nu (TI or LMI)
 857   m68*-nu-sysv* )
 858     machine=nu opsys=usg5-2
 859   ;;
 860
 861   ## Plexus
 862   m68*-plexus-sysv* )
 863     machine=plexus opsys=usg5-2
 864   ;;
 865
 866   ## Pyramid machines
 867   ## I don't really have any idea what sort of processor the Pyramid has,
 868   ## so I'm assuming it is its own architecture.
 869   pyramid-pyramid-bsd* )
 870     machine=pyramid opsys=bsd4-2
 871   ;;
 872
 873   ## Sequent Balance
 874   ns32k-sequent-bsd4.2* )
 875     machine=sequent opsys=bsd4-2
 876   ;;
 877   ns32k-sequent-bsd4.3* )
 878     machine=sequent opsys=bsd4-3
 879   ;;
 880
 881   ## Siemens Nixdorf
 882   mips-siemens-sysv* | mips-sni-sysv*)
 883     machine=mips-siemens opsys=usg5-4
 884     NON_GNU_CC=/usr/ccs/bin/cc
 885     NON_GNU_CPP=/usr/ccs/lib/cpp
 886   ;;
 887
 888   ## Silicon Graphics machines
 889   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 890   m68*-sgi-iris3.5* )
 891     machine=irist opsys=iris3-5
 892   ;;
 893   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 894     machine=irist opsys=iris3-6
 895   ;;
 896   ## Iris 4D
 897   mips-sgi-irix3* )
 898     machine=iris4d opsys=irix3-3
 899   ;;
 900   mips-sgi-irix4* )
 901     machine=iris4d opsys=irix4-0
 902   ;;
 903   mips-sgi-irix6.5 )
 904     machine=iris4d opsys=irix6-5
 905     # Without defining _LANGUAGE_C, things get masked out in the headers
 906     # so that, for instance, grepping for `free' in stdlib.h fails and
 907     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 908     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 909     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 910   ;;
 911   mips-sgi-irix6* )
 912     machine=iris4d opsys=irix6-0
 913     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 914     # but presumably it does no harm.
 915     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 916     # -32 probably isn't necessary in later v.6s -- anyone know which?
 917     NON_GCC_TEST_OPTIONS=-32
 918   ;;
 919   mips-sgi-irix5.[01]* )
 920     machine=iris4d opsys=irix5-0
 921   ;;
 922   mips-sgi-irix5* | mips-sgi-irix* )
 923     machine=iris4d opsys=irix5-2
 924   ;;
 925
 926   ## SONY machines
 927   m68*-sony-bsd4.2* )
 928     machine=news opsys=bsd4-2
 929   ;;
 930   m68*-sony-bsd4.3* )
 931     machine=news opsys=bsd4-3
 932   ;;
 933   m68*-sony-newsos3* | m68*-sony-news3*)
 934     machine=news opsys=bsd4-3
 935   ;;
 936   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 937     machine=news-risc opsys=bsd4-3
 938   ;;
 939   mips-sony-newsos6* )
 940     machine=news-r6 opsys=newsos6
 941   ;;
 942   mips-sony-news* )
 943     machine=news-risc opsys=newsos5
 944   ;;
 945
 946   ## Stride
 947   m68*-stride-sysv* )
 948     machine=stride opsys=usg5-2
 949   ;;
 950
 951   ## Suns
 952   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 953     machine=sparc opsys=gnu-linux
 954   ;;
 955
 956   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 957     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 958     | rs6000-*-solaris2*)
 959     case "${canonical}" in
 960       m68*-sunos1* )    machine=sun1 ;;
 961       m68*-sunos2* )    machine=sun2 ;;
 962       m68* )            machine=sun3 ;;
 963       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 964       i[3456]86-*-* )     machine=intel386 ;;
 965       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 966       powerpcle* )      machine=powerpcle ;;
 967       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 968       sparc* )          machine=sparc ;;
 969       * )               unported=yes ;;
 970     esac
 971     case "${canonical}" in
 972       ## The Sun386 didn't get past 4.0.
 973       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 974       *-sunos4.0*         ) opsys=sunos4-0 ;;
 975       *-sunos4.1.[3-9]*noshare )
 976                 ## This name is sunos413 instead of sunos4-1-3
 977                 ## to avoid a file name conflict on MSDOS.
 978                 opsys=sunos413
 979                 NON_GNU_CPP=/usr/lib/cpp
 980                 NON_GCC_TEST_OPTIONS=-Bstatic
 981                 GCC_TEST_OPTIONS=-static
 982                 ;;
 983       *-sunos4.1.[3-9]* | *-sunos4shr*)
 984                 opsys=sunos4shr
 985                 NON_GNU_CPP=/usr/lib/cpp
 986                 ;;
 987       *-sunos4* | *-sunos )
 988                 opsys=sunos4-1
 989                 NON_GCC_TEST_OPTIONS=-Bstatic
 990                 GCC_TEST_OPTIONS=-static
 991                 ;;
 992       *-sunos5.3* | *-solaris2.3* )
 993                 opsys=sol2-3
 994                 NON_GNU_CPP=/usr/ccs/lib/cpp
 995                 ;;
 996       *-sunos5.4* | *-solaris2.4* )
 997                 opsys=sol2-4
 998                 NON_GNU_CPP=/usr/ccs/lib/cpp
 999                 RANLIB="ar -ts"
1000                 ;;
1001       *-sunos5.5* | *-solaris2.5* )
1002                 opsys=sol2-5
1003                 NON_GNU_CPP=/usr/ccs/lib/cpp
1004                 RANLIB="ar -ts"
1005                 ;;
1006       *-sunos5.6* | *-solaris2.6* )
1007                 opsys=sol2-6
1008                 NON_GNU_CPP=/usr/ccs/lib/cpp
1009                 RANLIB="ar -ts"
1010                 ;;
1011       *-sunos5* | *-solaris* )
1012                 opsys=sol2-6
1013                 NON_GNU_CPP=/usr/ccs/lib/cpp
1014                 ;;
1015       *                   ) opsys=bsd4-2   ;;
1016     esac
1017     ## Watch out for a compiler that we know will not work.
1018     case "${canonical}" in
1019      *-solaris* | *-sunos5* )
1020                 if [ "x$CC" = x/usr/ucb/cc ]; then
1021                   ## /usr/ucb/cc doesn't work;
1022                   ## we should find some other compiler that does work.
1023                   unset CC
1024                 fi
1025                 ;;
1026       *) ;;
1027     esac
1028   ;;
1029   sparc-*-nextstep* )
1030     machine=sparc opsys=nextstep
1031   ;;
1032
1033   ## Tadpole 68k
1034   m68*-tadpole-sysv* )
1035     machine=tad68k opsys=usg5-3
1036   ;;
1037
1038   ## Tahoe machines
1039   tahoe-tahoe-bsd4.2* )
1040     machine=tahoe opsys=bsd4-2
1041   ;;
1042   tahoe-tahoe-bsd4.3* )
1043     machine=tahoe opsys=bsd4-3
1044   ;;
1045
1046   ## Tandem Integrity S2
1047   mips-tandem-sysv* )
1048     machine=tandem-s2 opsys=usg5-3
1049   ;;
1050
1051   ## Tektronix XD88
1052   m88k-tektronix-sysv3* )
1053   machine=tekxd88 opsys=usg5-3
1054   ;;
1055
1056   ## Tektronix 16000 box (6130?)
1057   ns16k-tektronix-bsd* )
1058     machine=ns16000 opsys=bsd4-2
1059   ;;
1060   ## Tektronix 4300
1061   ## src/m/tek4300.h hints that this is a m68k machine.
1062   m68*-tektronix-bsd* )
1063     machine=tek4300 opsys=bsd4-3
1064   ;;
1065
1066   ## Titan P2 or P3
1067   ## We seem to have lost the machine-description file titan.h!
1068   titan-titan-sysv* )
1069     machine=titan opsys=usg5-3
1070   ;;
1071
1072   ## Ustation E30 (SS5E)
1073   m68*-unisys-uniplus* )
1074     machine=ustation opsystem=unipl5-2
1075   ;;
1076
1077   ## Vaxen.
1078   vax-dec-* )
1079     machine=vax
1080     case "${canonical}" in
1081       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1082       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1083       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1084       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1085       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1086       *-vms* )                                          opsys=vms ;;
1087       * )                                               unported=yes
1088     esac
1089   ;;
1090
1091   ## Whitechapel MG1
1092   ns16k-whitechapel-* )
1093     machine=mg1
1094     ## We don't know what sort of OS runs on these; we'll let the
1095     ## operating system guessing code below try.
1096   ;;
1097
1098   ## Wicat
1099   m68*-wicat-sysv* )
1100     machine=wicat opsys=usg5-2
1101   ;;
1102
1103   ## IA-64
1104   ia64*-*-linux* )
1105     machine=ia64 opsys=gnu-linux
1106   ;;
1107
1108   ## Intel 386 machines where we don't care about the manufacturer
1109   i[3456]86-*-* )
1110     machine=intel386
1111     case "${canonical}" in
1112       *-cygwin )                opsys=cygwin ;;
1113       *-darwin* )               opsys=darwin
1114                                 CPP="${CC-cc} -E -no-cpp-precomp"
1115                                 ;;
1116       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1117       *-isc2.2* )               opsys=isc2-2 ;;
1118       *-isc4.0* )               opsys=isc4-0 ;;
1119       *-isc4.* )                opsys=isc4-1
1120                                 GCC_TEST_OPTIONS=-posix
1121                                 NON_GCC_TEST_OPTIONS=-Xp
1122                                 ;;
1123       *-isc* )                  opsys=isc3-0 ;;
1124       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1125       *-esix* )                 opsys=esix ;;
1126       *-xenix* )                opsys=xenix ;;
1127       *-linux-gnu* )            opsys=gnu-linux ;;
1128       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1129       *-sco3.2v5* )             opsys=sco5
1130                                 NON_GNU_CPP=/lib/cpp
1131                                 # Prevent -belf from being passed to $CPP.
1132                                 # /lib/cpp does not accept it.
1133                                 OVERRIDE_CPPFLAGS=" "
1134                                 ;;
1135       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1136       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1137       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1138       *-386bsd* )               opsys=386bsd ;;
1139       *-nextstep* )             opsys=nextstep ;;
1140       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1141     esac
1142   ;;
1143
1144   ## m68k Linux-based GNU system
1145   m68k-*-linux-gnu* )
1146     machine=m68k opsys=gnu-linux
1147   ;;
1148
1149   ## Mips Linux-based GNU system
1150   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
1151     machine=mips opsys=gnu-linux
1152   ;;
1153
1154   ## UXP/DS
1155   sparc-fujitsu-sysv4* )
1156     machine=sparc opsys=uxpds
1157     NON_GNU_CPP=/usr/ccs/lib/cpp
1158     RANLIB="ar -ts"
1159   ;;
1160
1161   ## UXP/V
1162   f301-fujitsu-uxpv4.1)
1163     machine=f301 opsys=uxpv
1164   ;;
1165
1166   ## Darwin / Mac OS X
1167   powerpc-apple-darwin* )
1168     machine=powermac opsys=darwin
1169     # Define CPP as follows to make autoconf work correctly.
1170     CPP="${CC-cc} -E -no-cpp-precomp"
1171     # Use fink packages if available.
1172     if test -d /sw/include && test -d /sw/lib; then
1173         GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
1174         CPP="${CPP} ${GCC_TEST_OPTIONS}"
1175         NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
1176     fi
1177   ;;
1178
1179   ## AMD x86-64 Linux-based GNU system
1180   x86_64-*-linux-gnu* )
1181     machine=amdx86-64 opsys=gnu-linux
1182   ;;
1183
1184   * )
1185     unported=yes
1186   ;;
1187 esac
1188
1189 ### If the code above didn't choose an operating system, just choose
1190 ### an operating system based on the configuration name.  You really
1191 ### only want to use this when you have no idea what the right
1192 ### operating system is; if you know what operating systems a machine
1193 ### runs, it's cleaner to make it explicit in the case statement
1194 ### above.
1195 if test x"${opsys}" = x; then
1196   case "${canonical}" in
1197     *-gnu* )                            opsys=gnu ;;
1198     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1199     *-bsd4.2 )                          opsys=bsd4-2 ;;
1200     *-bsd4.3 )                          opsys=bsd4-3 ;;
1201     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1202     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1203     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1204     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1205     *-sysv4.2uw* )                      opsys=unixware ;;
1206     *-sysv5uw* )                        opsys=unixware ;;
1207     *-sysv5OpenUNIX* )                  opsys=unixware ;;
1208     *-sysv4.1* | *-sysvr4.1* )
1209         NON_GNU_CPP=/usr/lib/cpp
1210         opsys=usg5-4 ;;
1211     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1212         if [ x$NON_GNU_CPP = x ]; then
1213           if [ -f /usr/ccs/lib/cpp ]; then
1214             NON_GNU_CPP=/usr/ccs/lib/cpp
1215           else
1216             NON_GNU_CPP=/lib/cpp
1217           fi
1218         fi
1219         opsys=usg5-4-2 ;;
1220     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1221     * )
1222       unported=yes
1223     ;;
1224   esac
1225 fi
1226
1227 ]
1228 dnl quotation ends
1229
1230 if test $unported = yes; then
1231   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
1232 Check `etc/MACHINES' for recognized configuration names.])
1233 fi
1234
1235 machfile="m/${machine}.h"
1236 opsysfile="s/${opsys}.h"
1237
1238
1239 #### Choose a compiler.
1240 test -n "$CC" && cc_specified=yes
1241
1242 # Save the value of CFLAGS that the user specified.
1243 SPECIFIED_CFLAGS="$CFLAGS"
1244
1245 case ${with_gcc} in
1246   "yes" ) CC="gcc" GCC=yes ;;
1247   "no"  ) : ${CC=cc} ;;
1248   * )
1249 esac
1250 AC_PROG_CC
1251
1252 # On Suns, sometimes $CPP names a directory.
1253 if test -n "$CPP" && test -d "$CPP"; then
1254   CPP=
1255 fi
1256
1257 #### Some systems specify a CPP to use unless we are using GCC.
1258 #### Now that we know whether we are using GCC, we can decide whether
1259 #### to use that one.
1260 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1261 then
1262   CPP="$NON_GNU_CPP"
1263 fi
1264
1265 #### Some systems specify a CC to use unless we are using GCC.
1266 #### Now that we know whether we are using GCC, we can decide whether
1267 #### to use that one.
1268 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1269   test x$cc_specified != xyes
1270 then
1271   CC="$NON_GNU_CC"
1272 fi
1273
1274 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1275 then
1276   CC="$CC $GCC_TEST_OPTIONS"
1277 fi
1278
1279 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1280 then
1281   CC="$CC $NON_GCC_TEST_OPTIONS"
1282 fi
1283
1284 dnl checks for Unix variants
1285 AC_AIX
1286 AC_GNU_SOURCE
1287
1288 ### Use -Wno-pointer-sign if the compiler supports it
1289 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
1290 SAVE_CFLAGS="$CFLAGS"
1291 CFLAGS="$CFLAGS -Wno-pointer-sign"
1292 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
1293 if test $has_option = yes; then
1294    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
1295 fi
1296 AC_MSG_RESULT($has_option)
1297 CFLAGS="$SAVE_CFLAGS"
1298 unset has_option
1299 unset SAVE_CFLAGS
1300
1301 #### Some other nice autoconf tests.
1302
1303 dnl checks for programs
1304 AC_PROG_LN_S
1305 AC_PROG_CPP
1306 AC_PROG_INSTALL
1307 if test "x$RANLIB" = x; then
1308   AC_PROG_RANLIB
1309 fi
1310 AC_PATH_PROG(INSTALL_INFO, install-info)
1311 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
1312 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
1313 dnl Don't use GZIP, which is used by gzip for additional parameters.
1314 AC_PATH_PROG(GZIP_PROG, gzip)
1315
1316 dnl Add our options to ac_link now, after it is set up.
1317
1318 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1319 then
1320   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1321 fi
1322
1323 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1324 then
1325   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1326 fi
1327
1328 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1329 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1330 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1331 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1332 dnl if not built to support GNU ld.
1333
1334 late_LDFLAGS=$LDFLAGS
1335 if test "$GCC" = yes; then
1336   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
1337 else
1338   LDFLAGS="$LDFLAGS -znocombreloc"
1339 fi
1340
1341 AC_MSG_CHECKING([for -znocombreloc])
1342 AC_LINK_IFELSE([main(){return 0;}],
1343   [AC_MSG_RESULT(yes)],
1344   LDFLAGS=$late_LDFLAGS
1345   [AC_MSG_RESULT(no)])
1346
1347 #### Extract some information from the operating system and machine files.
1348
1349 AC_CHECKING([the machine- and system-dependent files to find out
1350  - which libraries the lib-src programs will want, and
1351  - whether the GNU malloc routines are usable])
1352
1353 ### First figure out CFLAGS (which we use for running the compiler here)
1354 ### and REAL_CFLAGS (which we use for real compilation).
1355 ### The two are the same except on a few systems, where they are made
1356 ### different to work around various lossages.  For example,
1357 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1358 ### as implying static linking.
1359
1360 ### If the CFLAGS env var is specified, we use that value
1361 ### instead of the default.
1362
1363 ### It's not important that this name contain the PID; you can't run
1364 ### two configures in the same directory and have anything work
1365 ### anyway.
1366 tempcname="conftest.c"
1367
1368 echo '
1369 #include "'${srcdir}'/src/'${opsysfile}'"
1370 #include "'${srcdir}'/src/'${machfile}'"
1371 #ifndef LIBS_MACHINE
1372 #define LIBS_MACHINE
1373 #endif
1374 #ifndef LIBS_SYSTEM
1375 #define LIBS_SYSTEM
1376 #endif
1377 #ifndef C_SWITCH_SYSTEM
1378 #define C_SWITCH_SYSTEM
1379 #endif
1380 #ifndef C_SWITCH_MACHINE
1381 #define C_SWITCH_MACHINE
1382 #endif
1383 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1384 configure___ c_switch_system=C_SWITCH_SYSTEM
1385 configure___ c_switch_machine=C_SWITCH_MACHINE
1386
1387 #ifndef LIB_X11_LIB
1388 #define LIB_X11_LIB -lX11
1389 #endif
1390
1391 #ifndef LIBX11_MACHINE
1392 #define LIBX11_MACHINE
1393 #endif
1394
1395 #ifndef LIBX11_SYSTEM
1396 #define LIBX11_SYSTEM
1397 #endif
1398 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1399
1400 #ifdef UNEXEC
1401 configure___ unexec=UNEXEC
1402 #else
1403 configure___ unexec=unexec.o
1404 #endif
1405
1406 #ifdef SYSTEM_MALLOC
1407 configure___ system_malloc=yes
1408 #else
1409 configure___ system_malloc=no
1410 #endif
1411
1412 #ifdef USE_MMAP_FOR_BUFFERS
1413 configure___ use_mmap_for_buffers=yes
1414 #else
1415 configure___ use_mmap_for_buffers=no
1416 #endif
1417
1418 #ifndef C_DEBUG_SWITCH
1419 #define C_DEBUG_SWITCH -g
1420 #endif
1421
1422 #ifndef C_OPTIMIZE_SWITCH
1423 #ifdef __GNUC__
1424 #define C_OPTIMIZE_SWITCH -O2
1425 #else
1426 #define C_OPTIMIZE_SWITCH -O
1427 #endif
1428 #endif
1429
1430 #ifndef C_WARNINGS_SWITCH
1431 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1432 #endif
1433
1434 #ifndef LD_SWITCH_MACHINE
1435 #define LD_SWITCH_MACHINE
1436 #endif
1437
1438 #ifndef LD_SWITCH_SYSTEM
1439 #define LD_SWITCH_SYSTEM
1440 #endif
1441
1442 #ifndef LD_SWITCH_X_SITE_AUX
1443 #define LD_SWITCH_X_SITE_AUX
1444 #endif
1445
1446 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1447 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1448
1449 #ifdef THIS_IS_CONFIGURE
1450
1451 /* Get the CFLAGS for tests in configure.  */
1452 #ifdef __GNUC__
1453 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1454 #else
1455 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1456 #endif
1457
1458 #else /* not THIS_IS_CONFIGURE */
1459
1460 /* Get the CFLAGS for real compilation.  */
1461 #ifdef __GNUC__
1462 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1463 #else
1464 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1465 #endif
1466
1467 #endif /* not THIS_IS_CONFIGURE */
1468 ' > ${tempcname}
1469
1470 # The value of CPP is a quoted variable reference, so we need to do this
1471 # to get its actual value...
1472 CPP=`eval "echo $CPP"`
1473 [eval `${CPP} -Isrc ${tempcname} \
1474        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1475 if test "x$SPECIFIED_CFLAGS" = x; then
1476   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1477          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1478 else
1479   REAL_CFLAGS="$CFLAGS"
1480 fi]
1481 rm ${tempcname}
1482
1483 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1484
1485 ### Make sure subsequent tests use flags consistent with the build flags.
1486
1487 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1488   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1489 else
1490   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1491 fi
1492
1493 dnl For AC_FUNC_GETLOADAVG, at least:
1494 AC_CONFIG_LIBOBJ_DIR(src)
1495
1496 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1497 AC_SYS_LARGEFILE
1498
1499
1500 ### The standard library on x86-64 GNU/Linux distributions can
1501 ### be located in either /usr/lib64 or /usr/lib.
1502 case "${canonical}" in
1503   x86_64-*-linux-gnu* )
1504     if test -d /usr/lib64; then
1505       AC_DEFINE(HAVE_X86_64_LIB64_DIR, 1,
1506         [Define to 1 if the file /usr/lib64 exists.])
1507 fi
1508 esac
1509
1510 dnl This function defintion taken from Gnome 2.0
1511 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1512 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1513 dnl also defines GSTUFF_PKG_ERRORS on error
1514 AC_DEFUN([PKG_CHECK_MODULES], [
1515   succeeded=no
1516
1517   if test -z "$PKG_CONFIG"; then
1518     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1519   fi
1520
1521   if test "$PKG_CONFIG" = "no" ; then
1522      ifelse([$4], , [AC_MSG_ERROR([
1523       *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog.  Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1524   else
1525      PKG_CONFIG_MIN_VERSION=0.9.0
1526      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1527         AC_MSG_CHECKING(for $2)
1528
1529         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1530             AC_MSG_RESULT(yes)
1531             succeeded=yes
1532
1533             AC_MSG_CHECKING($1_CFLAGS)
1534             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
1535             AC_MSG_RESULT($$1_CFLAGS)
1536
1537             AC_MSG_CHECKING($1_LIBS)
1538             $1_LIBS=`$PKG_CONFIG --libs "$2"`
1539             AC_MSG_RESULT($$1_LIBS)
1540         else
1541             AC_MSG_RESULT(no)
1542             $1_CFLAGS=""
1543             $1_LIBS=""
1544             ## If we have a custom action on failure, don't print errors, but
1545             ## do set a variable so people can do so.
1546             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1547             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1548         fi
1549
1550         AC_SUBST($1_CFLAGS)
1551         AC_SUBST($1_LIBS)
1552      else
1553         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1554         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1555      fi
1556   fi
1557
1558   if test $succeeded = yes; then
1559      ifelse([$3], , :, [$3])
1560   else
1561      ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1562   fi
1563 ])
1564
1565
1566 if test "${with_sound}" != "no"; then
1567   # Sound support for GNU/Linux and the free BSDs.
1568   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1569   # Emulation library used on NetBSD.
1570   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1571   AC_SUBST(LIBSOUND)
1572
1573   ALSA_REQUIRED=1.0.0
1574   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1575   dnl Check if --with-pkg-config-prog has been given.
1576   if test "X${with_pkg_config_prog}" != X; then
1577     PKG_CONFIG="${with_pkg_config_prog}"
1578   fi
1579   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1580   if test $HAVE_ALSA = yes; then
1581     SAVE_CFLAGS="$CFLAGS"
1582     SAVE_LDFLAGS="$LDFLAGS"
1583     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1584     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1585     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1586                     emacs_alsa_normal=yes,
1587                     emacs_alsa_normal=no)
1588     if test "$emacs_alsa_normal" != yes; then
1589       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1590                      [snd_lib_error_set_handler (0);],
1591                      emacs_alsa_subdir=yes,
1592                      emacs_alsa_subdir=no)
1593       if test "$emacs_alsa_subdir" != yes; then
1594         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1595       fi
1596       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1597     fi
1598
1599     CFLAGS="$SAVE_CFLAGS"
1600     LDFLAGS="$SAVE_LDFLAGS"
1601     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1602     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1603     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1604     AC_SUBST()
1605   fi
1606   AC_SUBST(CFLAGS_SOUND)
1607 fi
1608
1609 dnl checks for header files
1610 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1611   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1612   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1613   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1614   sys/utsname.h pwd.h)
1615
1616 AC_MSG_CHECKING(if personality LINUX32 can be set)
1617 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1618                emacs_cv_personality_linux32=yes,
1619                emacs_cv_personality_linux32=no)
1620 AC_MSG_RESULT($emacs_cv_personality_linux32)
1621
1622 if test $emacs_cv_personality_linux32 = yes; then
1623   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1624             [Define to 1 if personality LINUX32 can be set.])
1625 fi
1626
1627 dnl On Solaris 8 there's a compilation warning for term.h because
1628 dnl it doesn't define `bool'.
1629 AC_CHECK_HEADERS(term.h, , , -)
1630 AC_HEADER_STDC
1631 AC_HEADER_TIME
1632 AC_CHECK_DECLS([sys_siglist])
1633 if test $ac_cv_have_decl_sys_siglist != yes; then
1634   # For Tru64, at least:
1635   AC_CHECK_DECLS([__sys_siglist])
1636   if test $ac_cv_have_decl___sys_siglist = yes; then
1637     AC_DEFINE(sys_siglist, __sys_siglist,
1638               [Define to any substitute for sys_siglist.])
1639   fi
1640 fi
1641 AC_HEADER_SYS_WAIT
1642
1643 dnl Some systems have utime.h but don't declare the struct anyplace.
1644 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1645 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1646 #include <sys/time.h>
1647 #include <time.h>
1648 #else
1649 #ifdef HAVE_SYS_TIME_H
1650 #include <sys/time.h>
1651 #else
1652 #include <time.h>
1653 #endif
1654 #endif
1655 #ifdef HAVE_UTIME_H
1656 #include <utime.h>
1657 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1658   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1659 if test $emacs_cv_struct_utimbuf = yes; then
1660   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1661 fi
1662
1663 dnl checks for typedefs
1664 AC_TYPE_SIGNAL
1665
1666 dnl Check for speed_t typedef.
1667 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1668   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1669     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1670 if test $emacs_cv_speed_t = yes; then
1671   AC_DEFINE(HAVE_SPEED_T, 1,
1672            [Define to 1 if `speed_t' is declared by <termios.h>.])
1673 fi
1674
1675 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1676 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1677 #include <sys/time.h>
1678 #include <time.h>
1679 #else
1680 #ifdef HAVE_SYS_TIME_H
1681 #include <sys/time.h>
1682 #else
1683 #include <time.h>
1684 #endif
1685 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1686   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1687 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1688 if test $emacs_cv_struct_timeval = yes; then
1689   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1690 fi
1691
1692 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1693 AC_TRY_COMPILE([#include <math.h>],
1694 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1695   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1696 HAVE_EXCEPTION=$emacs_cv_struct_exception
1697 if test $emacs_cv_struct_exception != yes; then
1698   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1699 fi
1700
1701 AC_CHECK_HEADERS(sys/socket.h)
1702 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1703 #if HAVE_SYS_SOCKET_H
1704 #include <sys/socket.h>
1705 #endif])
1706
1707 dnl checks for structure members
1708 AC_STRUCT_TM
1709 AC_STRUCT_TIMEZONE
1710 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1711                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1712                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1713                 [#include <time.h>])
1714 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1715                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1716                   struct ifreq.ifr_addr], , ,
1717                  [AC_INCLUDES_DEFAULT
1718 #if HAVE_SYS_SOCKET_H
1719 #include <sys/socket.h>
1720 #endif
1721 #if HAVE_NET_IF_H
1722 #include <net/if.h>
1723 #endif])
1724
1725 dnl checks for compiler characteristics
1726
1727 dnl Testing __STDC__ to determine prototype support isn't good enough.
1728 dnl DEC C, for instance, doesn't define it with default options, and
1729 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1730 dnl and void *.
1731 AC_C_PROTOTYPES
1732 AC_C_VOLATILE
1733 AC_C_CONST
1734 dnl This isn't useful because we can't turn on use of `inline' unless
1735 dnl the compiler groks `extern inline'.
1736 dnl AC_C_INLINE
1737 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1738   [AC_TRY_COMPILE(, [void * foo;],
1739                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1740 if test $emacs_cv_void_star = yes; then
1741   AC_DEFINE(POINTER_TYPE, void)
1742 else
1743   AC_DEFINE(POINTER_TYPE, char)
1744 fi
1745 AH_TEMPLATE(POINTER_TYPE,
1746             [Define as `void' if your compiler accepts `void *'; otherwise
1747              define as `char'.])dnl
1748
1749
1750
1751 dnl This could be used for targets which can have both byte sexes.
1752 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1753 dnl AC_C_BIGENDIAN
1754
1755 dnl check for Make feature
1756 AC_PROG_MAKE_SET
1757
1758 dnl checks for operating system services
1759 AC_SYS_LONG_FILE_NAMES
1760
1761 #### Choose a window system.
1762
1763 AC_PATH_X
1764 if test "$no_x" = yes; then
1765   window_system=none
1766 else
1767   window_system=x11
1768 fi
1769
1770 if test "${x_libraries}" != NONE; then
1771   if test -n "${x_libraries}"; then
1772     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1773     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1774   fi
1775   x_default_search_path=""
1776   x_search_path=${x_libraries}
1777   if test -z "${x_search_path}"; then
1778     x_search_path=/usr/lib
1779   fi
1780   for x_library in `echo ${x_search_path}: | \
1781                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1782     x_search_path="\
1783 ${x_library}/X11/%L/%T/%N%C%S:\
1784 ${x_library}/X11/%l/%T/%N%C%S:\
1785 ${x_library}/X11/%T/%N%C%S:\
1786 ${x_library}/X11/%L/%T/%N%S:\
1787 ${x_library}/X11/%l/%T/%N%S:\
1788 ${x_library}/X11/%T/%N%S"
1789     if test x"${x_default_search_path}" = x; then
1790       x_default_search_path=${x_search_path}
1791     else
1792       x_default_search_path="${x_search_path}:${x_default_search_path}"
1793     fi
1794   done
1795 fi
1796 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1797   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1798 fi
1799
1800 if test x"${x_includes}" = x; then
1801   bitmapdir=/usr/include/X11/bitmaps
1802 else
1803   # accumulate include directories that have X11 bitmap subdirectories
1804   bmd_acc="dummyval"
1805   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1806     if test -d "${bmd}/X11/bitmaps"; then
1807       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1808     fi
1809     if test -d "${bmd}/bitmaps"; then
1810       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1811     fi
1812   done
1813   if test ${bmd_acc} != "dummyval"; then
1814     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1815   fi
1816 fi
1817
1818 HAVE_CARBON=no
1819 if test "${with_carbon}" != no; then
1820   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1821 fi
1822 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1823   if test "${with_carbon+set}" != set \
1824      && test "${carbon_appdir_x+set}" != set; then
1825     for var in with_x with_x_toolkit with_gtk with_xim \
1826                with_xpm with_jpeg with_tiff with_gif with_png; do
1827       if eval test \"\${$var+set}\" = set; then
1828         HAVE_CARBON=no
1829         break
1830       fi
1831     done
1832   fi
1833 fi
1834 if test "${HAVE_CARBON}" = yes; then
1835   window_system=mac
1836 fi
1837
1838 case "${window_system}" in
1839   x11 )
1840     HAVE_X_WINDOWS=yes
1841     HAVE_X11=yes
1842     case "${with_x_toolkit}" in
1843       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1844       motif ) USE_X_TOOLKIT=MOTIF ;;
1845 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1846       gtk ) with_gtk=yes
1847 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1848 dnl USE_X_TOOLKIT is set.
1849             USE_X_TOOLKIT=none ;;
1850       no ) USE_X_TOOLKIT=none ;;
1851 dnl If user did not say whether to use a toolkit,
1852 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1853       * ) USE_X_TOOLKIT=maybe ;;
1854     esac
1855   ;;
1856   mac | none )
1857     HAVE_X_WINDOWS=no
1858     HAVE_X11=no
1859     USE_X_TOOLKIT=none
1860   ;;
1861 esac
1862
1863 ### If we're using X11, we should use the X menu package.
1864 HAVE_MENUS=no
1865 case ${HAVE_X11} in
1866   yes ) HAVE_MENUS=yes ;;
1867 esac
1868
1869 if test "${opsys}" = "hpux9"; then
1870   case "${x_libraries}" in
1871     *X11R4* )
1872       opsysfile="s/hpux9-x11r4.h"
1873       ;;
1874   esac
1875 fi
1876
1877 if test "${opsys}" = "hpux9shr"; then
1878   case "${x_libraries}" in
1879     *X11R4* )
1880       opsysfile="s/hpux9shxr4.h"
1881       ;;
1882   esac
1883 fi
1884
1885 ### Compute the unexec source name from the object name.
1886 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1887
1888 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1889 # Assume not, until told otherwise.
1890 GNU_MALLOC=yes
1891 doug_lea_malloc=yes
1892 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1893 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1894 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1895                emacs_cv_var___after_morecore_hook,
1896 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1897   emacs_cv_var___after_morecore_hook=yes,
1898   emacs_cv_var___after_morecore_hook=no)])
1899 if test $emacs_cv_var___after_morecore_hook = no; then
1900   doug_lea_malloc=no
1901 fi
1902 if test "${system_malloc}" = "yes"; then
1903   GNU_MALLOC=no
1904   GNU_MALLOC_reason="
1905     (The GNU allocators don't work with this system configuration.)"
1906 fi
1907 if test "$doug_lea_malloc" = "yes" ; then
1908   if test "$GNU_MALLOC" = yes ; then
1909     GNU_MALLOC_reason="
1910       (Using Doug Lea's new malloc from the GNU C Library.)"
1911   fi
1912   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1913             [Define to 1 if you are using the GNU C Library.])
1914 fi
1915
1916 if test x"${REL_ALLOC}" = x; then
1917   REL_ALLOC=${GNU_MALLOC}
1918 fi
1919
1920 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1921 dnl the system configuration file (s/*.h) to turn the use of mmap
1922 dnl in the relocating allocator on.
1923
1924 AC_FUNC_MMAP
1925 if test $use_mmap_for_buffers = yes; then
1926   REL_ALLOC=no
1927 fi
1928
1929 LIBS="$libsrc_libs $LIBS"
1930
1931 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1932 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1933 AC_CHECK_LIB(dnet, dnet_ntoa)
1934 dnl This causes -lresolv to get used in subsequent tests,
1935 dnl which causes failures on some systems such as HPUX 9.
1936 dnl AC_CHECK_LIB(resolv, gethostbyname)
1937
1938 dnl FIXME replace main with a function we actually want from this library.
1939 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1940
1941 AC_CHECK_LIB(pthreads, cma_open)
1942
1943 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1944 if test -d /usr/X386/include; then
1945   HAVE_XFREE386=yes
1946   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1947 else
1948   HAVE_XFREE386=no
1949 fi
1950 AC_MSG_RESULT($HAVE_XFREE386)
1951
1952 dnl Check for need for bigtoc support on IBM AIX
1953
1954 case ${host_os} in
1955 aix*)
1956   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1957     case $GCC in
1958     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1959     *) gdb_cv_bigtoc=-bbigtoc ;;
1960     esac
1961
1962     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1963     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1964   ])
1965   ;;
1966 esac
1967
1968 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1969 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1970 # REAL_CPPFLAGS later on.
1971
1972 REAL_CPPFLAGS="$CPPFLAGS"
1973
1974 if test "${HAVE_X11}" = "yes"; then
1975   DEFS="$C_SWITCH_X_SITE $DEFS"
1976   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1977   LIBS="$LIBX $LIBS"
1978   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1979   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1980
1981   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1982   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1983   # but it's more convenient here to set LD_RUN_PATH
1984   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1985   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1986     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1987     export LD_RUN_PATH
1988   fi
1989
1990   if test "${opsys}" = "gnu-linux"; then
1991     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1992     AC_TRY_LINK([],
1993      [XOpenDisplay ("foo");],
1994      [xlinux_first_failure=no],
1995      [xlinux_first_failure=yes])
1996     if test "${xlinux_first_failure}" = "yes"; then
1997       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1998       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1999       OLD_CPPFLAGS="$CPPFLAGS"
2000       OLD_LIBS="$LIBS"
2001       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2002       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2003       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2004       LIBS="$LIBS -b i486-linuxaout"
2005       AC_TRY_LINK([],
2006        [XOpenDisplay ("foo");],
2007        [xlinux_second_failure=no],
2008        [xlinux_second_failure=yes])
2009       if test "${xlinux_second_failure}" = "yes"; then
2010         # If we get the same failure with -b, there is no use adding -b.
2011         # So take it out.  This plays safe.
2012         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2013         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2014         CPPFLAGS="$OLD_CPPFLAGS"
2015         LIBS="$OLD_LIBS"
2016         AC_MSG_RESULT(no)
2017       else
2018         AC_MSG_RESULT(yes)
2019       fi
2020     else
2021       AC_MSG_RESULT(no)
2022     fi
2023   fi
2024
2025   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2026   # header files included from there.
2027   AC_MSG_CHECKING(for Xkb)
2028   AC_TRY_LINK([#include <X11/Xlib.h>
2029 #include <X11/XKBlib.h>],
2030         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
2031         emacs_xkb=yes, emacs_xkb=no)
2032   AC_MSG_RESULT($emacs_xkb)
2033   if test $emacs_xkb = yes; then
2034     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
2035   fi
2036
2037   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2038 XScreenNumberOfScreen XSetWMProtocols)
2039 fi
2040
2041 if test "${window_system}" = "x11"; then
2042   AC_MSG_CHECKING(X11 version 6)
2043   AC_CACHE_VAL(emacs_cv_x11_version_6,
2044   [AC_TRY_LINK([#include <X11/Xlib.h>],
2045 [#if XlibSpecificationRelease < 6
2046 fail;
2047 #endif
2048 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2049   if test $emacs_cv_x11_version_6 = yes; then
2050     AC_MSG_RESULT(6 or newer)
2051     AC_DEFINE(HAVE_X11R6, 1,
2052               [Define to 1 if you have the X11R6 or newer version of Xlib.])
2053   else
2054     AC_MSG_RESULT(before 6)
2055   fi
2056 fi
2057
2058 if test "${window_system}" = "x11"; then
2059   AC_MSG_CHECKING(X11 version 5)
2060   AC_CACHE_VAL(emacs_cv_x11_version_5,
2061   [AC_TRY_LINK([#include <X11/Xlib.h>],
2062 [#if XlibSpecificationRelease < 5
2063 fail;
2064 #endif
2065 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
2066   if test $emacs_cv_x11_version_5 = yes; then
2067     AC_MSG_RESULT(5 or newer)
2068     HAVE_X11R5=yes
2069     AC_DEFINE(HAVE_X11R5, 1,
2070               [Define to 1 if you have the X11R5 or newer version of Xlib.])
2071   else
2072     HAVE_X11R5=no
2073     AC_MSG_RESULT(before 5)
2074   fi
2075 fi
2076
2077 HAVE_GTK=no
2078 if test "${with_gtk}" = "yes" && test "$USE_X_TOOLKIT" = "gtk"; then
2079   USE_X_TOOLKIT=none
2080 fi
2081 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then
2082   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
2083     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
2084   fi
2085   GLIB_REQUIRED=2.4
2086   GTK_REQUIRED=2.4
2087   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2088
2089   dnl Check if --with-pkg-config-prog has been given.
2090   if test "X${with_pkg_config_prog}" != X; then
2091     PKG_CONFIG="${with_pkg_config_prog}"
2092   fi
2093   dnl Checks for libraries.
2094   PKG_CHECK_MODULES(GTK, $GTK_MODULES)
2095   AC_SUBST(GTK_CFLAGS)
2096   AC_SUBST(GTK_LIBS)
2097   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2098   CFLAGS="$CFLAGS $GTK_CFLAGS"
2099   LIBS="$GTK_LIBS $LIBS"
2100   dnl Try to compile a simple GTK program.
2101   GTK_COMPILES=no
2102   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2103   if test "${GTK_COMPILES}" != "yes"; then
2104     AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
2105   fi
2106
2107   HAVE_GTK=yes
2108   AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
2109   USE_X_TOOLKIT=none
2110
2111   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2112   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
2113   if test "$with_toolkit_scroll_bars" != no; then
2114     with_toolkit_scroll_bars=yes
2115   fi
2116
2117   dnl  Check if we can use multiple displays with this GTK version.
2118   dnl  If gdk_display_open exists, assume all others are there also.
2119   HAVE_GTK_MULTIDISPLAY=no
2120   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
2121   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
2122     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
2123               [Define to 1 if GTK can handle more than one display.])
2124   fi
2125   dnl  Check if we have the old file selection dialog.
2126   dnl  If gdk_display_open exists, assume all others are there also.
2127   HAVE_GTK_FILE_SELECTION=no
2128   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
2129
2130   dnl  Check if we have the new file chooser dialog
2131   dnl  If gdk_display_open exists, assume all others are there also.
2132   HAVE_GTK_FILE_CHOOSER=no
2133   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
2134
2135   if test "$HAVE_GTK_FILE_SELECTION" = yes \
2136      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
2137     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
2138               [Define to 1 if GTK has both file selection and chooser dialog.])
2139   fi
2140
2141   dnl Check if pthreads are available.  Emacs only needs this when using
2142   dnl gtk_file_chooser under Gnome.
2143   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
2144     HAVE_GTK_AND_PTHREAD=no
2145     AC_CHECK_HEADERS(pthread.h)
2146     if test "$ac_cv_header_pthread_h"; then
2147       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
2148     fi
2149     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
2150       GTK_LIBS="$GTK_LIBS -lpthread"
2151       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
2152                [Define to 1 if you have GTK and pthread (-lpthread).])
2153     fi
2154   fi
2155 fi
2156
2157 dnl Do not put whitespace before the #include statements below.
2158 dnl Older compilers (eg sunos4 cc) choke on it.
2159 if test x"${USE_X_TOOLKIT}" = xmaybe; then
2160   if test x"${HAVE_X11R5}" = xyes; then
2161     AC_MSG_CHECKING(X11 version 5 with Xaw)
2162     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
2163     [AC_TRY_LINK([
2164 #include <X11/Intrinsic.h>
2165 #include <X11/Xaw/Simple.h>],
2166       [],
2167       emacs_cv_x11_version_5_with_xaw=yes,
2168       emacs_cv_x11_version_5_with_xaw=no)])
2169     if test $emacs_cv_x11_version_5_with_xaw = yes; then
2170       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
2171       USE_X_TOOLKIT=LUCID
2172     else
2173       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
2174       USE_X_TOOLKIT=none
2175     fi
2176   else
2177     USE_X_TOOLKIT=none
2178   fi
2179 fi
2180
2181 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2182
2183 if test "${USE_X_TOOLKIT}" != "none"; then
2184   AC_MSG_CHECKING(X11 toolkit version)
2185   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2186   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2187 [#if XtSpecificationRelease < 6
2188 fail;
2189 #endif
2190 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2191   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2192   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2193     AC_MSG_RESULT(6 or newer)
2194     AC_DEFINE(HAVE_X11XTR6, 1,
2195               [Define to 1 if you have the X11R6 or newer version of Xt.])
2196   else
2197     AC_MSG_RESULT(before 6)
2198   fi
2199
2200 dnl If using toolkit, check whether libXmu.a exists.
2201 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2202   OLDLIBS="$LIBS"
2203   if test x$HAVE_X11XTR6 = xyes; then
2204     LIBS="-lXt -lSM -lICE $LIBS"
2205   else
2206     LIBS="-lXt $LIBS"
2207   fi
2208   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2209   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2210 fi
2211
2212 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2213 if test "${HAVE_X11}" = "yes"; then
2214   if test "${USE_X_TOOLKIT}" != "none"; then
2215     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2216   fi
2217 fi
2218
2219 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2220   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2221   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2222     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2223 int x = 5;
2224 #else
2225 Motif version prior to 2.1.
2226 #endif],
2227     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2228   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
2229   if test $emacs_cv_motif_version_2_1 = yes; then
2230     HAVE_LIBXP=no
2231     AC_DEFINE(HAVE_MOTIF_2_1, 1,
2232               [Define to 1 if you have Motif 2.1 or newer.])
2233     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
2234     if test ${HAVE_LIBXP} = yes; then
2235       AC_DEFINE(HAVE_LIBXP, 1,
2236                 [Define to 1 if you have the Xp library (-lXp).])
2237     fi
2238   else
2239     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2240     # We put this in CFLAGS temporarily to precede other -I options
2241     # that might be in CFLAGS temporarily.
2242     # We put this in CPPFLAGS where it precedes the other -I options.
2243     OLD_CPPFLAGS=$CPPFLAGS
2244     OLD_CFLAGS=$CFLAGS
2245     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2246     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2247     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2248       [int x = 5;],
2249       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2250     if test $emacs_cv_lesstif = yes; then
2251       # Make sure this -I option remains in CPPFLAGS after it is set
2252       # back to REAL_CPPFLAGS.
2253       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2254       # have those other -I options anyway.  Ultimately, having this
2255       # directory ultimately in CPPFLAGS will be enough.
2256       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2257       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2258     else
2259       CFLAGS=$OLD_CFLAGS
2260       CPPFLAGS=$OLD_CPPFLAGS
2261     fi
2262   fi
2263 fi
2264
2265 ### Is -lXaw3d available?
2266 HAVE_XAW3D=no
2267 if test "${HAVE_X11}" = "yes"; then
2268   if test "${USE_X_TOOLKIT}" != "none" && test "${with_toolkit_scroll_bars}" != "no"; then
2269     dnl Fixme: determine what Scrollbar.h needs to avoid compilation
2270     dnl errors from the test without the `-'.
2271     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
2272         [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes)], , -)
2273     if test "${HAVE_XAW3D}" = "yes"; then
2274         AC_DEFINE(HAVE_XAW3D, 1,
2275                   [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2276     fi
2277   fi
2278 fi
2279
2280 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2281 dnl using Motif or Xaw3d is available, and unless
2282 dnl --with-toolkit-scroll-bars=no was specified.
2283
2284 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2285             [Define to 1 if we should use toolkit scroll bars.])dnl
2286 USE_TOOLKIT_SCROLL_BARS=no
2287 if test "${with_toolkit_scroll_bars}" != "no"; then
2288   if test "${USE_X_TOOLKIT}" != "none"; then
2289     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2290       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2291       HAVE_XAW3D=no
2292       USE_TOOLKIT_SCROLL_BARS=yes
2293     elif test "${HAVE_XAW3D}" = "yes"; then
2294       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2295       USE_TOOLKIT_SCROLL_BARS=yes
2296     fi
2297   elif test "${HAVE_GTK}" = "yes"; then
2298     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2299     USE_TOOLKIT_SCROLL_BARS=yes
2300   elif test "${HAVE_CARBON}" = "yes"; then
2301     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2302     USE_TOOLKIT_SCROLL_BARS=yes
2303   fi
2304 fi
2305
2306 dnl See if XIM is available.
2307 AC_TRY_COMPILE([
2308           #include <X11/Xlib.h>
2309           #include <X11/Xresource.h>],
2310          [XIMProc  callback;],
2311          HAVE_XIM=yes
2312          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available]),
2313          HAVE_XIM=no)
2314
2315 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2316
2317 if test "${with_xim}" != "no"; then
2318   AC_DEFINE(USE_XIM, 1,
2319             [Define to 1 if we should use XIM, if it is available.])
2320 fi
2321
2322
2323 if test "${HAVE_XIM}" != "no"; then
2324   late_CFLAGS=$CFLAGS
2325   if test "$GCC" = yes; then
2326     CFLAGS="$CFLAGS --pedantic-errors"
2327   fi
2328   AC_TRY_COMPILE([
2329 #include <X11/Xlib.h>
2330 #include <X11/Xresource.h>],
2331 [Display *display;
2332 XrmDatabase db;
2333 char *res_name;
2334 char *res_class;
2335 XIMProc  callback;
2336 XPointer *client_data;
2337 #ifndef __GNUC__
2338 /* If we're not using GCC, it's probably not XFree86, and this is
2339    probably right, but we can't use something like --pedantic-errors.  */
2340 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2341                                            char*, XIMProc, XPointer*);
2342 #endif
2343 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2344    client_data);],
2345     [emacs_cv_arg6_star=yes])
2346   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2347          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2348 either XPointer or XPointer*.])dnl
2349   if test "$emacs_cv_arg6_star" = yes; then
2350     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2351   else
2352     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2353   fi
2354   CFLAGS=$late_CFLAGS
2355 fi
2356
2357 ### For font-backend
2358 if test "${USE_FONT_BACKEND}" = "yes"; then
2359
2360 AC_DEFINE(USE_FONT_BACKEND, 1,
2361           [Define to 1 if we should use font-backend.])
2362
2363 ### Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'.
2364 HAVE_XFT=maybe
2365 if test "${HAVE_X11}" = "yes"; then
2366   if test "x${with_freetype}" = "xno"; then
2367     with_xft="no";
2368   fi
2369   if test "x${with_xft}" != "xno"; then
2370
2371     dnl Check if --with-pkg-config-prog has been given.
2372     if test "X${with_pkg_config_prog}" != X; then
2373       PKG_CONFIG="${with_pkg_config_prog}"
2374     fi
2375
2376     PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2377     if test "$HAVE_XFT" != no; then
2378       OLD_CPPFLAGS="$CPPFLAGS"
2379       OLD_CFLAGS="$CFLAGS"
2380       OLD_LIBS="$LIBS"
2381       CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2382       CFLAGS="$CFLAGS $XFT_CFLAGS"
2383       LIBS="$XFT_LIBS $LIBS"
2384       AC_CHECK_HEADER(X11/Xft/Xft.h,
2385         AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2386
2387       if test "${HAVE_XFT}" = "yes"; then
2388         AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2389         AC_SUBST(XFT_LIBS)
2390         C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2391       else
2392         CFLAGS="$OLD_CPPFLAGS"
2393         CFLAGS="$OLD_CFLAGS"
2394         LIBS="$OLD_LIBS"
2395       fi
2396     fi
2397   fi
2398 fi
2399
2400 HAVE_FREETYPE=no
2401 ### Use -lfreetype if available, unless `--with-freetype=no'.
2402 if test "${HAVE_XFT}" = "yes"; then
2403   dnl As we use Xft, we anyway use freetype.
2404   dnl In this case, there's no need of additional CFLAGS and LIBS.
2405   HAVE_FREETYPE=yes
2406 elif test "x${with_freetype}" != "xno"; then
2407   dnl Check if --with-pkg-config-prog has been given.
2408   if test "X${with_pkg_config_prog}" != X; then
2409     PKG_CONFIG="${with_pkg_config_prog}"
2410   fi
2411
2412   PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no)
2413   if test "${HAVE_FREETYPE}" = "yes"; then
2414     PKG_CHECK_MODULES(FONTCONFIG, fontconfig, HAVE_FC=yes, HAVE_FC=no)
2415     if test "${HAVE_FC}" = "no"; then
2416       dnl Witout fontconfig, we can't use freetype at the moment.
2417       HAVE_FREETYPE=no
2418     fi
2419   fi
2420 fi
2421 if test "${HAVE_FREETYPE}" = "yes"; then
2422   AC_DEFINE(HAVE_FREETYPE, 1,
2423            [Define to 1 if you have freetype and fontconfig libraries.])
2424   AC_CHECK_PROG(HAVE_LIBOTF, libotf-config, yes, no)
2425   if test "${HAVE_LIBOTF}" = "yes"; then
2426     AC_DEFINE(HAVE_LIBOTF, 1,
2427              [Define to 1 if you have libotf library.])
2428     LIBOTF_CFLAGS=`libotf-config --cflags`
2429     LIBOTF_LIBS=`libotf-config --libs`
2430   fi
2431 fi
2432 AC_SUBST(FREETYPE_CFLAGS)
2433 AC_SUBST(FREETYPE_LIBS)
2434 AC_SUBST(FONTCONFIG_CFLAGS)
2435 AC_SUBST(FONTCONFIG_LIBS)
2436 AC_SUBST(LIBOTF_CFLAGS)
2437 AC_SUBST(LIBOTF_LIBS)
2438
2439 fi
2440
2441 ### Use -lXpm if available, unless `--with-xpm=no'.
2442 HAVE_XPM=no
2443 if test "${HAVE_X11}" = "yes"; then
2444   if test "${with_xpm}" != "no"; then
2445     AC_CHECK_HEADER(X11/xpm.h,
2446       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
2447     if test "${HAVE_XPM}" = "yes"; then
2448       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2449       AC_EGREP_CPP(no_return_alloc_pixels,
2450       [#include "X11/xpm.h"
2451 #ifndef XpmReturnAllocPixels
2452 no_return_alloc_pixels
2453 #endif
2454       ], HAVE_XPM=no, HAVE_XPM=yes)
2455
2456       if test "${HAVE_XPM}" = "yes"; then
2457         AC_MSG_RESULT(yes)
2458       else
2459         AC_MSG_RESULT(no)
2460       fi
2461     fi
2462   fi
2463
2464   if test "${HAVE_XPM}" = "yes"; then
2465     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2466   fi
2467 fi
2468
2469 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2470 HAVE_JPEG=no
2471 if test "${HAVE_X11}" = "yes"; then
2472   if test "${with_jpeg}" != "no"; then
2473     dnl Checking for jpeglib.h can lose because of a redefinition of
2474     dnl  HAVE_STDLIB_H.
2475     AC_CHECK_HEADER(jerror.h,
2476       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
2477   fi
2478
2479   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2480   if test "${HAVE_JPEG}" = "yes"; then
2481     AC_DEFINE(HAVE_JPEG)
2482     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2483         [#include <jpeglib.h>
2484          version=JPEG_LIB_VERSION
2485 ],
2486         AC_DEFINE(HAVE_JPEG),
2487         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2488         HAVE_JPEG=no])
2489   fi
2490 fi
2491
2492 ### Use -lpng if available, unless `--with-png=no'.
2493 HAVE_PNG=no
2494 if test "${HAVE_X11}" = "yes"; then
2495   if test "${with_png}" != "no"; then
2496     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2497     # in /usr/include/libpng.
2498     AC_CHECK_HEADERS(png.h libpng/png.h)
2499     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2500       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2501     fi
2502   fi
2503
2504   if test "${HAVE_PNG}" = "yes"; then
2505     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2506   fi
2507 fi
2508
2509 ### Use -ltiff if available, unless `--with-tiff=no'.
2510 HAVE_TIFF=no
2511 if test "${HAVE_X11}" = "yes"; then
2512   if test "${with_tiff}" != "no"; then
2513     AC_CHECK_HEADER(tiffio.h,
2514       tifflibs="-lz -lm"
2515       # At least one tiff package requires the jpeg library.
2516       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2517       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
2518   fi
2519
2520   if test "${HAVE_TIFF}" = "yes"; then
2521     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2522   fi
2523 fi
2524
2525 ### Use -lgif if available, unless `--with-gif=no'.
2526 HAVE_GIF=no
2527 if test "${HAVE_X11}" = "yes"; then
2528   if test "${with_gif}" != "no"; then
2529     AC_CHECK_HEADER(gif_lib.h,
2530 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2531 # Earlier versions can crash Emacs.
2532       AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
2533   fi
2534
2535   if test "${HAVE_GIF}" = "yes"; then
2536     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have the ungif library (-lungif).])
2537   fi
2538 fi
2539
2540 dnl Check for malloc/malloc.h on darwin
2541 AC_CHECK_HEADER(malloc/malloc.h, AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.]))
2542
2543 ### Use Mac OS X Carbon API to implement GUI.
2544 if test "${HAVE_CARBON}" = "yes"; then
2545   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2546   ## Specify the install directory
2547   carbon_appdir=
2548   if test "${carbon_appdir_x}" != ""; then
2549     case ${carbon_appdir_x} in
2550       y | ye | yes)  carbon_appdir=/Applications ;;
2551       * ) carbon_appdir=${carbon_appdir_x} ;;
2552     esac
2553   fi
2554   # We also have mouse menus.
2555   HAVE_MENUS=yes
2556 fi
2557
2558 ### Use session management (-lSM -lICE) if available
2559 HAVE_X_SM=no
2560 if test "${HAVE_X11}" = "yes"; then
2561   AC_CHECK_HEADER(X11/SM/SMlib.h,
2562     AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE))
2563
2564   if test "${HAVE_X_SM}" = "yes"; then
2565     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2566     case "$LIBS" in
2567       *-lSM*) ;;
2568       *)      LIBS="-lSM -lICE $LIBS" ;;
2569     esac
2570   fi
2571 fi
2572
2573 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2574 AC_CACHE_CHECK(whether netdb declares h_errno,
2575                emacs_cv_netdb_declares_h_errno,
2576 [AC_TRY_LINK([#include <netdb.h>],
2577   [return h_errno;],
2578   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2579 if test $emacs_cv_netdb_declares_h_errno = yes; then
2580   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2581 fi
2582
2583 AC_FUNC_ALLOCA
2584
2585 # fmod, logb, and frexp are found in -lm on most systems.
2586 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2587 AC_CHECK_LIB(m, sqrt)
2588
2589 # Check for mail-locking functions in a "mail" library.  Probably this should
2590 # have the same check as for liblockfile below.
2591 AC_CHECK_LIB(mail, maillock)
2592 dnl Debian, at least:
2593 AC_CHECK_LIB(lockfile, maillock)
2594 # If we have the shared liblockfile, assume we must use it for mail
2595 # locking (e.g. Debian).  If we couldn't link against liblockfile
2596 # (no liblockfile.a installed), ensure that we don't need to.
2597 if test "$ac_cv_lib_lockfile_maillock" = no; then
2598   dnl This works for files generally, not just executables.
2599   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2600   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2601                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2602   if test $ac_cv_prog_liblockfile = yes; then
2603     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2604 This probably means that movemail could lose mail.
2605 There may be a `development' package to install containing liblockfile.])
2606   else :
2607   fi
2608 fi
2609 AC_CHECK_FUNCS(touchlock)
2610 AC_CHECK_HEADERS(maillock.h)
2611
2612 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2613 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2614 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
2615 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2616 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2617 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2618 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2619 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2620 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2621
2622 AC_CHECK_HEADERS(sys/un.h)
2623
2624 AC_FUNC_MKTIME
2625 if test "$ac_cv_func_working_mktime" = no; then
2626   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2627 fi
2628
2629 AC_FUNC_GETLOADAVG
2630
2631 AC_FUNC_FSEEKO
2632
2633 # Configure getopt.
2634 m4_include([m4/getopt.m4])
2635 gl_GETOPT_IFELSE([
2636   gl_GETOPT_SUBSTITUTE_HEADER
2637   gl_PREREQ_GETOPT
2638   GETOPTOBJS='getopt.o getopt1.o'
2639 ])
2640 AC_SUBST(GETOPTOBJS)
2641
2642 AC_FUNC_GETPGRP
2643
2644 AC_FUNC_STRFTIME
2645
2646 # UNIX98 PTYs.
2647 AC_CHECK_FUNCS(grantpt)
2648
2649 # PTY-related GNU extensions.
2650 AC_CHECK_FUNCS(getpt)
2651
2652 # Check this now, so that we will NOT find the above functions in ncurses.
2653 # That is because we have not set up to link ncurses in lib-src.
2654 # It's better to believe a function is not available
2655 # than to expect to find it in ncurses.
2656 AC_CHECK_LIB(ncurses, tparm)
2657
2658 # Do we need the Hesiod library to provide the support routines?
2659 if test "$with_hesiod" = yes ; then
2660   # Don't set $LIBS here -- see comments above.
2661   resolv=no
2662   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2663      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2664                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2665   if test "$resolv" = yes ; then
2666     RESOLVLIB=-lresolv
2667     AC_DEFINE(HAVE_LIBRESOLV, 1,
2668               [Define to 1 if you have the resolv library (-lresolv).])
2669   else
2670     RESOLVLIB=
2671   fi
2672   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2673         AC_DEFINE(HAVE_LIBHESIOD, 1,
2674                   [Define to 1 if you have the hesiod library (-lhesiod).]),
2675         :, $RESOLVLIB)])
2676 fi
2677
2678 # These tell us which Kerberos-related libraries to use.
2679 if test "${with_kerberos+set}" = set; then
2680   AC_CHECK_LIB(com_err, com_err)
2681   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2682   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2683   AC_CHECK_LIB(krb5, krb5_init_context)
2684   if test "${with_kerberos5+set}" != set; then
2685     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2686                  AC_CHECK_LIB(des, des_cbc_encrypt))
2687     AC_CHECK_LIB(krb4, krb_get_cred,,
2688                  AC_CHECK_LIB(krb, krb_get_cred))
2689   fi
2690
2691   if test "${with_kerberos5+set}" = set; then
2692     AC_CHECK_HEADERS(krb5.h)
2693   else
2694     AC_CHECK_HEADERS(des.h,,
2695                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2696                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2697     AC_CHECK_HEADERS(krb.h,,
2698                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2699                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2700   fi
2701   AC_CHECK_HEADERS(com_err.h)
2702 fi
2703
2704 # Solaris requires -lintl if you want strerror (which calls dgettext)
2705 # to return localized messages.
2706 AC_CHECK_LIB(intl, dgettext)
2707
2708 AC_MSG_CHECKING(whether localtime caches TZ)
2709 AC_CACHE_VAL(emacs_cv_localtime_cache,
2710 [if test x$ac_cv_func_tzset = xyes; then
2711 AC_TRY_RUN([#include <time.h>
2712 extern char **environ;
2713 unset_TZ ()
2714 {
2715   char **from, **to;
2716   for (to = from = environ; (*to = *from); from++)
2717     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2718       to++;
2719 }
2720 char TZ_GMT0[] = "TZ=GMT0";
2721 char TZ_PST8[] = "TZ=PST8";
2722 main()
2723 {
2724   time_t now = time ((time_t *) 0);
2725   int hour_GMT0, hour_unset;
2726   if (putenv (TZ_GMT0) != 0)
2727     exit (1);
2728   hour_GMT0 = localtime (&now)->tm_hour;
2729   unset_TZ ();
2730   hour_unset = localtime (&now)->tm_hour;
2731   if (putenv (TZ_PST8) != 0)
2732     exit (1);
2733   if (localtime (&now)->tm_hour == hour_GMT0)
2734     exit (1);
2735   unset_TZ ();
2736   if (localtime (&now)->tm_hour != hour_unset)
2737     exit (1);
2738   exit (0);
2739 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2740 [# If we have tzset, assume the worst when cross-compiling.
2741 emacs_cv_localtime_cache=yes])
2742 else
2743         # If we lack tzset, report that localtime does not cache TZ,
2744         # since we can't invalidate the cache if we don't have tzset.
2745         emacs_cv_localtime_cache=no
2746 fi])dnl
2747 AC_MSG_RESULT($emacs_cv_localtime_cache)
2748 if test $emacs_cv_localtime_cache = yes; then
2749   AC_DEFINE(LOCALTIME_CACHE, 1,
2750             [Define to 1 if localtime caches TZ.])
2751 fi
2752
2753 if test "x$HAVE_TIMEVAL" = xyes; then
2754   AC_CHECK_FUNCS(gettimeofday)
2755   if test $ac_cv_func_gettimeofday = yes; then
2756     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2757                    emacs_cv_gettimeofday_two_arguments,
2758     [AC_TRY_COMPILE([
2759 #ifdef TIME_WITH_SYS_TIME
2760 #include <sys/time.h>
2761 #include <time.h>
2762 #else
2763 #ifdef HAVE_SYS_TIME_H
2764 #include <sys/time.h>
2765 #else
2766 #include <time.h>
2767 #endif
2768 #endif],
2769       [struct timeval time;
2770        gettimeofday (&time, 0);],
2771       emacs_cv_gettimeofday_two_arguments=yes,
2772       emacs_cv_gettimeofday_two_arguments=no)])
2773     if test $emacs_cv_gettimeofday_two_arguments = no; then
2774       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2775                 [Define to 1 if gettimeofday accepts only one argument.])
2776     fi
2777   fi
2778 fi
2779
2780 ok_so_far=yes
2781 AC_CHECK_FUNC(socket, , ok_so_far=no)
2782 if test $ok_so_far = yes; then
2783   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2784 fi
2785 if test $ok_so_far = yes; then
2786   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2787 fi
2788 if test $ok_so_far = yes; then
2789 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2790   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2791             [Define to 1 if you have inet sockets.])
2792 fi
2793
2794 AC_CHECK_HEADERS(sys/ioctl.h)
2795
2796 if test -f /usr/lpp/X11/bin/smt.exp; then
2797   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2798             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2799 fi
2800
2801 AC_MSG_CHECKING(whether system supports dynamic ptys)
2802 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2803   AC_MSG_RESULT(yes)
2804   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2805 else
2806   AC_MSG_RESULT(no)
2807 fi
2808
2809 AC_FUNC_FORK
2810
2811 dnl Adapted from Haible's version.
2812 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2813   [AC_TRY_LINK([#include <langinfo.h>],
2814     [char* cs = nl_langinfo(CODESET);],
2815     emacs_cv_langinfo_codeset=yes,
2816     emacs_cv_langinfo_codeset=no)
2817   ])
2818 if test $emacs_cv_langinfo_codeset = yes; then
2819   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2820     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2821 fi
2822
2823 AC_CHECK_TYPES(size_t)
2824
2825 AC_TYPE_MBSTATE_T
2826
2827 dnl Restrict could probably be used effectively other than in regex.c.
2828 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2829   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2830                   emacs_cv_c_restrict=yes,
2831                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2832                                   emacs_cv_c_restrict=__restrict,
2833                                   emacs_cv_c_restrict=no)])])
2834 case "$emacs_cv_c_restrict" in
2835   yes) emacs_restrict=restrict;;
2836   no) emacs_restrict="";;
2837   *) emacs_restrict="$emacs_cv_c_restrict";;
2838 esac
2839 if test "$emacs_restrict" != __restrict; then
2840   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2841     [Define to compiler's equivalent of C99 restrict keyword.
2842      Don't define if equivalent is `__restrict'.])
2843 fi
2844
2845 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2846   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2847                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2848 if test "$emacs_cv_c_restrict_arr" = yes; then
2849   AC_DEFINE(__restrict_arr, __restrict,
2850     [Define to compiler's equivalent of C99 restrict keyword in array
2851      declarations.  Define as empty for no equivalent.])
2852 fi
2853
2854 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2855 dnl how the tty code is related to POSIX and/or other versions of termios.
2856 dnl The following looks like a useful start.
2857 dnl
2858 dnl AC_SYS_POSIX_TERMIOS
2859 dnl if test $ac_cv_sys_posix_termios = yes; then
2860 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2861 dnl                                and macros for terminal control.])
2862 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2863 dnl fi
2864
2865 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2866
2867 # Set up the CFLAGS for real compilation, so we can substitute it.
2868 CFLAGS="$REAL_CFLAGS"
2869 CPPFLAGS="$REAL_CPPFLAGS"
2870
2871 #### Find out which version of Emacs this is.
2872 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2873          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2874 if test x"${version}" = x; then
2875   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2876 fi
2877
2878 ### Specify what sort of things we'll be editing into Makefile and config.h.
2879 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2880 AC_SUBST(version)
2881 AC_SUBST(configuration)
2882 AC_SUBST(canonical)
2883 AC_SUBST(srcdir)
2884 AC_SUBST(prefix)
2885 AC_SUBST(exec_prefix)
2886 AC_SUBST(bindir)
2887 AC_SUBST(datadir)
2888 AC_SUBST(sharedstatedir)
2889 AC_SUBST(libexecdir)
2890 AC_SUBST(mandir)
2891 AC_SUBST(infodir)
2892 AC_SUBST(lispdir)
2893 AC_SUBST(locallisppath)
2894 AC_SUBST(lisppath)
2895 AC_SUBST(x_default_search_path)
2896 AC_SUBST(etcdir)
2897 AC_SUBST(archlibdir)
2898 AC_SUBST(docdir)
2899 AC_SUBST(bitmapdir)
2900 AC_SUBST(gamedir)
2901 AC_SUBST(gameuser)
2902 AC_SUBST(c_switch_system)
2903 AC_SUBST(c_switch_machine)
2904 AC_SUBST(LD_SWITCH_X_SITE)
2905 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2906 AC_SUBST(C_SWITCH_X_SITE)
2907 AC_SUBST(CFLAGS)
2908 AC_SUBST(X_TOOLKIT_TYPE)
2909 AC_SUBST(machfile)
2910 AC_SUBST(opsysfile)
2911 AC_SUBST(GETLOADAVG_LIBS)
2912 AC_SUBST(carbon_appdir)
2913
2914 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2915                    [Define to the canonical Emacs configuration name.])
2916 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2917                    [Define to the options passed to configure.])
2918 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2919                    [Define to the used machine dependent file.])
2920 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2921                    [Define to the used os dependent file.])
2922 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2923 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2924  may need to deal with X Windows.  For instance, if you've defined
2925  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2926  your loader can find on its own, you might want to add "-L/..." or
2927  something similar.])
2928 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2929                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2930                     in case it's needed (for Solaris, for example).])
2931 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2932 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2933  may need to deal with X Windows.  For instance, if you've defined
2934  HAVE_X_WINDOWS above and your X include files aren't in a place
2935  that your compiler can find on its own, you might want to add
2936  "-I/..." or something similar.])
2937 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2938                    [Define to the unexec source file name.])
2939
2940 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2941   AC_DEFINE(HAVE_X_WINDOWS, 1,
2942             [Define to 1 if you want to use the X window system.])
2943 fi
2944 if test "${USE_X_TOOLKIT}" != "none" ; then
2945   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2946 fi
2947 if test "${HAVE_X11}" = "yes" ; then
2948   AC_DEFINE(HAVE_X11, 1,
2949             [Define to 1 if you want to use version 11 of X windows.
2950              Otherwise, Emacs expects to use version 10.])
2951 fi
2952 if test "${HAVE_XFREE386}" = "yes" ; then
2953   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2954 fi
2955 if test "${HAVE_MENUS}" = "yes" ; then
2956   AC_DEFINE(HAVE_MENUS, 1,
2957             [Define to 1 if you have mouse menus.
2958              (This is automatic if you use X, but the option to specify it remains.)
2959              It is also defined with other window systems that support xmenu.c.])
2960 fi
2961 if test "${GNU_MALLOC}" = "yes" ; then
2962   AC_DEFINE(GNU_MALLOC, 1,
2963             [Define to 1 if you want to use the GNU memory allocator.])
2964 fi
2965 if test "${REL_ALLOC}" = "yes" ; then
2966   AC_DEFINE(REL_ALLOC, 1,
2967             [Define REL_ALLOC if you want to use the relocating allocator for
2968              buffer space.])
2969 fi
2970
2971 AH_TOP([/* GNU Emacs site configuration template file.
2972    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005, 2006
2973              Free Software Foundation, Inc.
2974
2975 This file is part of GNU Emacs.
2976
2977 GNU Emacs is free software; you can redistribute it and/or modify
2978 it under the terms of the GNU General Public License as published by
2979 the Free Software Foundation; either version 2, or (at your option)
2980 any later version.
2981
2982 GNU Emacs is distributed in the hope that it will be useful,
2983 but WITHOUT ANY WARRANTY; without even the implied warranty of
2984 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2985 GNU General Public License for more details.
2986
2987 You should have received a copy of the GNU General Public License
2988 along with GNU Emacs; see the file COPYING.  If not, write to the
2989 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
2990 Boston, MA 02110-1301, USA.  */
2991
2992
2993 /* No code in Emacs #includes config.h twice, but some bits of code
2994    intended to work with other packages as well (like gmalloc.c)
2995    think they can include it as many times as they like.  */
2996 #ifndef EMACS_CONFIG_H
2997 #define EMACS_CONFIG_H
2998 ])dnl
2999
3000 AH_BOTTOM([
3001 /* If we're using any sort of window system, define some consequences.  */
3002 #ifdef HAVE_X_WINDOWS
3003 #define HAVE_WINDOW_SYSTEM
3004 #define MULTI_KBOARD
3005 #define HAVE_MOUSE
3006 #endif
3007
3008 /* If we're using the Carbon API on Mac OS X, define a few more
3009    variables as well.  */
3010 #ifdef HAVE_CARBON
3011 #define HAVE_WINDOW_SYSTEM
3012 #define HAVE_MOUSE
3013 #endif
3014
3015 /* Define USER_FULL_NAME to return a string
3016    that is the user's full name.
3017    It can assume that the variable `pw'
3018    points to the password file entry for this user.
3019
3020    At some sites, the pw_gecos field contains
3021    the user's full name.  If neither this nor any other
3022    field contains the right thing, use pw_name,
3023    giving the user's login name, since that is better than nothing.  */
3024 #define USER_FULL_NAME pw->pw_gecos
3025
3026 /* Define AMPERSAND_FULL_NAME if you use the convention
3027    that & in the full name stands for the login id.  */
3028 /* Turned on June 1996 supposing nobody will mind it.  */
3029 #define AMPERSAND_FULL_NAME
3030
3031 /* We have blockinput.h.  */
3032 #define DO_BLOCK_INPUT
3033
3034 /* Define HAVE_SOUND if we have sound support.  We know it works
3035    and compiles only on the specified platforms.   For others,
3036    it probably doesn't make sense to try.  */
3037
3038 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
3039 #ifdef HAVE_MACHINE_SOUNDCARD_H
3040 #define HAVE_SOUND 1
3041 #endif
3042 #ifdef HAVE_SYS_SOUNDCARD_H
3043 #define HAVE_SOUND 1
3044 #endif
3045 #ifdef HAVE_SOUNDCARD_H
3046 #define HAVE_SOUND 1
3047 #endif
3048 #ifdef HAVE_ALSA
3049 #define HAVE_SOUND 1
3050 #endif
3051 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
3052
3053 /* If using GNU, then support inline function declarations. */
3054 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3055    generally, because even if non-gcc compilers accept `inline', they
3056    may reject `extern inline'.  */
3057 #if defined (__GNUC__) && defined (OPTIMIZE)
3058 #define INLINE __inline__
3059 #else
3060 #define INLINE
3061 #endif
3062
3063 /* Include the os and machine dependent files.  */
3064 #include config_opsysfile
3065 #include config_machfile
3066
3067 /* Load in the conversion definitions if this system
3068    needs them and the source file being compiled has not
3069    said to inhibit this.  There should be no need for you
3070    to alter these lines.  */
3071
3072 #ifdef SHORTNAMES
3073 #ifndef NO_SHORTNAMES
3074 #include "../shortnames/remap.h"
3075 #endif /* not NO_SHORTNAMES */
3076 #endif /* SHORTNAMES */
3077
3078 /* If no remapping takes place, static variables cannot be dumped as
3079    pure, so don't worry about the `static' keyword. */
3080 #ifdef NO_REMAP
3081 #undef static
3082 #endif
3083
3084 /* Define `subprocesses' should be defined if you want to
3085    have code for asynchronous subprocesses
3086    (as used in M-x compile and M-x shell).
3087    These do not work for some USG systems yet;
3088    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
3089
3090 #ifndef VMS
3091 #ifndef USG
3092 /* #define subprocesses */
3093 #endif
3094 #endif
3095
3096 /* SIGTYPE is the macro we actually use.  */
3097 #ifndef SIGTYPE
3098 #define SIGTYPE RETSIGTYPE
3099 #endif
3100
3101 #ifdef emacs /* Don't do this for lib-src.  */
3102 /* Tell regex.c to use a type compatible with Emacs.  */
3103 #define RE_TRANSLATE_TYPE Lisp_Object
3104 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3105 #ifdef make_number
3106 /* If make_number is a macro, use it.  */
3107 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3108 #else
3109 /* If make_number is a function, avoid it.  */
3110 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3111 #endif
3112 #endif
3113
3114 /* Avoid link-time collision with system mktime if we will use our own.  */
3115 #if ! HAVE_MKTIME || BROKEN_MKTIME
3116 #define mktime emacs_mktime
3117 #endif
3118
3119 #define my_strftime nstrftime   /* for strftime.c */
3120
3121 /* The rest of the code currently tests the CPP symbol BSTRING.
3122    Override any claims made by the system-description files.
3123    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
3124 #undef BSTRING
3125 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
3126 #define BSTRING
3127 #endif
3128
3129 /* Some of the files of Emacs which are intended for use with other
3130    programs assume that if you have a config.h file, you must declare
3131    the type of getenv.
3132
3133    This declaration shouldn't appear when alloca.s or Makefile.in
3134    includes config.h.  */
3135 #ifndef NOT_C_CODE
3136 extern char *getenv ();
3137 #endif
3138
3139 /* These default definitions are good for almost all machines.
3140    The exceptions override them in m/MACHINE.h.  */
3141
3142 #ifndef BITS_PER_CHAR
3143 #define BITS_PER_CHAR 8
3144 #endif
3145
3146 #ifndef BITS_PER_SHORT
3147 #define BITS_PER_SHORT 16
3148 #endif
3149
3150 /* Note that lisp.h uses this in a preprocessor conditional, so it
3151    would not work to use sizeof.  That being so, we do all of them
3152    without sizeof, for uniformity's sake.  */
3153 #ifndef BITS_PER_INT
3154 #define BITS_PER_INT 32
3155 #endif
3156
3157 #ifndef BITS_PER_LONG
3158 #ifdef _LP64
3159 #define BITS_PER_LONG 64
3160 #else
3161 #define BITS_PER_LONG 32
3162 #endif
3163 #endif
3164
3165 /* Define if the compiler supports function prototypes.  It may do so
3166    but not define __STDC__ (e.g. DEC C by default) or may define it as
3167    zero.  */
3168 #undef PROTOTYPES
3169 /* For mktime.c:  */
3170 #ifndef __P
3171 # if defined PROTOTYPES
3172 #  define __P(args) args
3173 # else
3174 #  define __P(args) ()
3175 # endif  /* GCC.  */
3176 #endif /* __P */
3177
3178 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
3179 #ifndef NOT_C_CODE
3180 #ifdef HAVE_STRING_H
3181 #include "string.h"
3182 #endif
3183 #ifdef HAVE_STRINGS_H
3184 #include "strings.h"  /* May be needed for bcopy & al. */
3185 #endif
3186 #ifdef HAVE_STDLIB_H
3187 #include <stdlib.h>
3188 #endif
3189 #ifndef __GNUC__
3190 # ifdef HAVE_ALLOCA_H
3191 #  include <alloca.h>
3192 # else /* AIX files deal with #pragma.  */
3193 #  ifndef alloca /* predefined by HP cc +Olibcalls */
3194 char *alloca ();
3195 #  endif
3196 # endif /* HAVE_ALLOCA_H */
3197 #endif /* __GNUC__ */
3198 #ifndef HAVE_SIZE_T
3199 typedef unsigned size_t;
3200 #endif
3201 #endif /* NOT_C_CODE */
3202
3203 /* Define HAVE_X_I18N if we have usable i18n support.  */
3204
3205 #ifdef HAVE_X11R6
3206 #define HAVE_X_I18N
3207 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
3208 #define HAVE_X_I18N
3209 #endif
3210
3211 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
3212
3213 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3214 #define HAVE_X11R6_XIM
3215 #endif
3216
3217 /* Should we enable expensive run-time checking of data types?  */
3218 #undef ENABLE_CHECKING
3219
3220 #if defined __GNUC__ && (__GNUC__ > 2 \
3221                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3222 #define NO_RETURN       __attribute__ ((__noreturn__))
3223 #else
3224 #define NO_RETURN       /* nothing */
3225 #endif
3226
3227 /* These won't be used automatically yet.  We also need to know, at least,
3228    that the stack is continuous.  */
3229 #ifdef __GNUC__
3230 #  ifndef GC_SETJMP_WORKS
3231   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
3232      see NON_SAVING_SETJMP in the target descriptions.  */
3233   /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
3234      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
3235      Fixme: Deal with ns32k, SVR3.  */
3236 #    define GC_SETJMP_WORKS 1
3237 #  endif
3238 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3239 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3240 #  endif
3241 #endif
3242
3243 #ifndef HAVE_BCOPY
3244 #define bcopy(a,b,s) memcpy (b,a,s)
3245 #endif
3246 #ifndef HAVE_BZERO
3247 #define bzero(a,s) memset (a,0,s)
3248 #endif
3249 #ifndef HAVE_BCMP
3250 #define BCMP memcmp
3251 #endif
3252
3253 #endif /* EMACS_CONFIG_H */
3254
3255 /*
3256 Local Variables:
3257 mode: c
3258 End:
3259 */
3260 ])dnl
3261
3262 #### Report on what we decided to do.
3263 #### Report GTK as a toolkit, even if it doesn't use Xt.
3264 #### It makes printing result more understandable as using GTK sets
3265 #### toolkit_scroll_bars to yes by default.
3266 if test "${HAVE_GTK}" = "yes"; then
3267   USE_X_TOOLKIT=GTK
3268 fi
3269
3270 echo "
3271 Configured for \`${canonical}'.
3272
3273   Where should the build process find the source code?    ${srcdir}
3274   What operating system and machine description files should Emacs use?
3275         \`${opsysfile}' and \`${machfile}'
3276   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3277   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3278   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3279   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3280   What window system should Emacs use?                    ${window_system}
3281   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3282
3283 if test -n "${x_includes}"; then
3284 echo "  Where do we find X Windows header files?                ${x_includes}"
3285 else
3286 echo "  Where do we find X Windows header files?                Standard dirs"
3287 fi
3288 if test -n "${x_libraries}"; then
3289 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3290 else
3291 echo "  Where do we find X Windows libraries?                   Standard dirs"
3292 fi
3293
3294 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3295 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3296 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3297 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3298 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
3299 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3300 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3301 echo
3302
3303 if test $USE_XASSERTS = yes; then
3304    echo "  Compiling with asserts turned on."
3305    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3306    echo
3307 fi
3308
3309
3310
3311 # Remove any trailing slashes in these variables.
3312 [test "${prefix}" != NONE &&
3313   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3314 test "${exec_prefix}" != NONE &&
3315   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3316
3317 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3318 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3319 ## from Makefile.c can correctly provide the arg `-traditional' to the
3320 ## C preprocessor.
3321
3322 AC_EGREP_CPP(yes..yes,
3323         [yes..yes],
3324         CPP_NEED_TRADITIONAL=no,
3325         CPP_NEED_TRADITIONAL=yes)
3326
3327 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3328         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
3329         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
3330
3331 ### Make the necessary directories, if they don't exist.
3332 for dir in etc lisp ; do
3333   test -d ${dir} || mkdir ${dir}
3334 done
3335
3336 # Build src/Makefile from ${srcdir}/src/Makefile.c
3337 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3338 # This must be done after src/config.h is built, since we rely on that file.
3339
3340 # Now get this: Some word that is part of the ${srcdir} directory name
3341 # or the ${configuration} value might, just might, happen to be an
3342 # identifier like `sun4' or `i386' or something, and be predefined by
3343 # the C preprocessor to some helpful value like 1, or maybe the empty
3344 # string.  Needless to say consequent macro substitutions are less
3345 # than conducive to the makefile finding the correct directory.
3346 [undefs="`echo $top_srcdir $configuration $canonical |
3347 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3348     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3349 `"]
3350
3351 echo creating src/epaths.h
3352 ${MAKE-make} epaths-force
3353
3354 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3355 # `..' to `. .'  unless invoked with -traditional
3356
3357 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3358   CPPFLAGS="$CPPFLAGS -traditional"
3359 fi
3360
3361 echo creating lib-src/Makefile
3362 ( cd lib-src
3363   rm -f junk.c junk1.c junk2.c
3364   sed -e '/start of cpp stuff/q' \
3365       < Makefile.c > junk1.c
3366   sed -e '1,/start of cpp stuff/d'\
3367       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3368       < Makefile.c > junk.c
3369   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3370       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3371   cat junk1.c junk2.c > Makefile.new
3372   rm -f junk.c junk1.c junk2.c
3373   chmod 444 Makefile.new
3374   mv -f Makefile.new Makefile
3375 )
3376
3377 echo creating src/Makefile
3378 ( cd src
3379   rm -f junk.c junk1.c junk2.c
3380   sed -e '/start of cpp stuff/q' \
3381       < Makefile.c > junk1.c
3382   sed -e '1,/start of cpp stuff/d'\
3383       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3384       < Makefile.c > junk.c
3385   if test -f ${srcdir}/admin/unidata/UnicodeData.txt; then
3386     CPPFLAGS="$CPPFLAGS -DHAVE_UNIDATA"
3387   fi
3388   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3389       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3390   cat junk1.c junk2.c > Makefile.new
3391   rm -f junk.c junk1.c junk2.c
3392   chmod 444 Makefile.new
3393   mv -f Makefile.new Makefile
3394 )
3395
3396 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3397   echo creating src/.gdbinit
3398   echo source $srcdir/src/.gdbinit > src/.gdbinit
3399 fi
3400
3401 # This is how we know whether to re-run configure in certain cases.
3402 touch src/config.stamp
3403
3404 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3405
3406 m4_if(dnl       Do not change this comment
3407    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3408 )dnl