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, 2007
   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 [if test "$withval" = yes; then
  58    AC_DEFINE(KERBEROS)
  59 fi])
  60 AH_TEMPLATE(KERBEROS,
  61             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  62 AC_ARG_WITH(kerberos5,
  63 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  64 [if test "${with_kerberos5+set}" = set; then
  65   if test "${with_kerberos+set}" != set; then
  66     with_kerberos=yes
  67     AC_DEFINE(KERBEROS)
  68   fi
  69   AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
  70 fi])
  71 AC_ARG_WITH(hesiod,
  72 [  --with-hesiod           support Hesiod to get the POP server host],
  73 [if test "$withval" = yes; then
  74   AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
  75 fi])
  76
  77 AC_ARG_WITH(sound,
  78 [  --without-sound         don't compile with sound support])
  79
  80 dnl This should be the last --with option, because --with-x is
  81 dnl added later on when we find the path of X, and it's best to
  82 dnl keep them together visually.
  83 AC_ARG_WITH(x-toolkit,
  84 [  --with-x-toolkit=KIT    use an X toolkit
  85                               (KIT = yes/lucid/athena/motif/gtk/no)],
  86 [         case "${withval}" in
  87             y | ye | yes )      val=athena ;;
  88             n | no )            val=no  ;;
  89             l | lu | luc | luci | lucid )       val=lucid ;;
  90             a | at | ath | athe | athen | athena )      val=athena ;;
  91             m | mo | mot | moti | motif )       val=motif ;;
  92             g | gt | gtk  )     val=gtk ;;
  93 dnl These don't currently work.
  94 dnl         o | op | ope | open | open- | open-l | open-lo \
  95 dnl             | open-loo | open-look )        val=open-look ;;
  96             * )
  97 dnl AC_MSG_ERROR([the `--with-x-toolkit' option is supposed to have a value
  98 dnl which is `yes', `no', `lucid', `athena', `motif' or `open-look'.])
  99 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid\;
 100 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
 101 Currently, `yes', `athena' and `lucid' are synonyms.])
 102             ;;
 103           esac
 104           with_x_toolkit=$val
 105 ])
 106 AC_ARG_WITH(xpm,
 107 [  --with-xpm              use -lXpm for displaying XPM images])
 108 AC_ARG_WITH(jpeg,
 109 [  --with-jpeg             use -ljpeg for displaying JPEG images])
 110 AC_ARG_WITH(tiff,
 111 [  --with-tiff             use -ltiff for displaying TIFF images])
 112 AC_ARG_WITH(gif,
 113 [  --with-gif              use -lungif for displaying GIF images])
 114 AC_ARG_WITH(png,
 115 [  --with-png              use -lpng for displaying PNG images])
 116 AC_ARG_WITH(gtk,
 117 [  --with-gtk              use GTK (same as --with-x-toolkit=gtk)])
 118 AC_ARG_WITH(pkg-config-prog,
 119 [  --with-pkg-config-prog  Path to pkg-config to use for finding GTK])
 120 AC_ARG_WITH(toolkit-scroll-bars,
 121 [  --without-toolkit-scroll-bars
 122                           don't use Motif or Xaw3d scroll bars])
 123 AC_ARG_WITH(xim,
 124 [  --without-xim           don't use X11 XIM])
 125 AC_ARG_WITH(carbon,
 126 [  --without-carbon        don't use Carbon GUI on Mac OS X])
 127 AC_ARG_ENABLE(carbon-app,
 128 [[  --enable-carbon-app[=DIR]  [DIR=/Application]
 129                           specify install directory for Emacs.app on Mac OS X]],
 130 [ carbon_appdir_x=${enableval}])
 131
 132 AC_ARG_ENABLE(asserts,
 133 [  --enable-asserts        compile code with asserts enabled],
 134       USE_XASSERTS=$enableval,
 135       USE_XASSERTS=no)
 136
 137 AC_ARG_ENABLE(maintainer-mode,
 138 [  --enable-maintainer-mode enable make rules and dependencies not useful
 139                           (and sometimes confusing) to the casual installer],
 140       USE_MAINTAINER_MODE=$enableval,
 141       USE_MAINTAINER_MODE=no)
 142 if test $USE_MAINTAINER_MODE = yes; then
 143   MAINT=
 144 else
 145   MAINT=#
 146 fi
 147 AC_SUBST(MAINT)
 148
 149 AC_ARG_ENABLE(locallisppath,
 150 [  --enable-locallisppath=PATH
 151                           directories Emacs should search for lisp files
 152                           specific to this site],
 153 if test "${enableval}" = "no"; then
 154   locallisppath=
 155 elif test "${enableval}" != "yes"; then
 156   locallisppath=${enableval}
 157 fi)
 158
 159 #### Make srcdir absolute, if it isn't already.  It's important to
 160 #### avoid running the path through pwd unnecessarily, since pwd can
 161 #### give you automounter prefixes, which can go away.  We do all this
 162 #### so Emacs can find its files when run uninstalled.
 163 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 164 unset CDPATH
 165 case "${srcdir}" in
 166   /* ) ;;
 167   . )
 168     ## We may be able to use the $PWD environment variable to make this
 169     ## absolute.  But sometimes PWD is inaccurate.
 170     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 171     ## but that tested only for a well-formed and valid PWD,
 172     ## it did not object when PWD was well-formed and valid but just wrong.
 173     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 174     then
 175       srcdir="$PWD"
 176     else
 177       srcdir="`(cd ${srcdir}; pwd)`"
 178     fi
 179   ;;
 180   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 181 esac
 182
 183 #### Check if the source directory already has a configured system in it.
 184 if test `pwd` != `(cd ${srcdir} && pwd)` \
 185    && test -f "${srcdir}/src/config.h" ; then
 186   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 187    as a build directory right now; it has been configured in its own
 188    right.  To configure in another directory as well, you MUST
 189    use GNU make.  If you do not have GNU make, then you must
 190    now do `make distclean' in ${srcdir},
 191    and then run $0 again.]])
 192 fi
 193
 194 #### Given the configuration name, set machfile and opsysfile to the
 195 #### names of the m/*.h and s/*.h files we should use.
 196
 197 ### Canonicalize the configuration name.
 198
 199 AC_CANONICAL_HOST
 200 canonical=$host
 201 configuration=${host_alias-$host}
 202
 203 dnl This used to use changequote, but, apart from `changequote is evil'
 204 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 205 dnl the great gob of text.  Thus it's not processed for possible expansion.
 206 dnl Just make sure the brackets remain balanced.
 207 dnl
 208 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 209 dnl indicated by comments.
 210 dnl quotation begins
 211 [
 212
 213 ### If you add support for a new configuration, add code to this
 214 ### switch statement to recognize your configuration name and select
 215 ### the appropriate operating system and machine description files.
 216
 217 ### You would hope that you could choose an m/*.h file pretty much
 218 ### based on the machine portion of the configuration name, and an s-
 219 ### file based on the operating system portion.  However, it turns out
 220 ### that each m/*.h file is pretty manufacturer-specific - for
 221 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 222 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 223 ### machines.  So we basically have to have a special case for each
 224 ### configuration name.
 225 ###
 226 ### As far as handling version numbers on operating systems is
 227 ### concerned, make sure things will fail in a fixable way.  If
 228 ### /etc/MACHINES doesn't say anything about version numbers, be
 229 ### prepared to handle anything reasonably.  If version numbers
 230 ### matter, be sure /etc/MACHINES says something about it.
 231 ###
 232 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 233 ### "System V Release 4"; he writes, "The old convention encouraged
 234 ### confusion between `system' and `release' levels'."
 235
 236 machine='' opsys='' unported=no
 237 case "${canonical}" in
 238
 239   ## FreeBSD ports
 240   *-*-freebsd* )
 241     opsys=freebsd
 242     case "${canonical}" in
 243       alpha*-*-freebsd*)        machine=alpha ;;
 244       ia64-*-freebsd*)          machine=ia64 ;;
 245       sparc64-*-freebsd*)       machine=sparc ;;
 246       powerpc-*-freebsd*)       machine=macppc ;;
 247       i[3456]86-*-freebsd*)     machine=intel386 ;;
 248       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 249     esac
 250   ;;
 251
 252   ## NetBSD ports
 253   *-*-netbsd* )
 254     opsys=netbsd
 255     if test -f /usr/lib/crti.o; then]
 256 dnl The close and open brackets here are because this section is quoted --
 257 dnl see the `changequote' comment above.
 258       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 259 [   fi
 260
 261     case "${canonical}" in
 262       alpha*-*-netbsd*) machine=alpha ;;
 263       i[3456]86-*-netbsd*) machine=intel386 ;;
 264       m68k-*-netbsd*)
 265                         # This is somewhat bogus.
 266                         machine=hp9000s300 ;;
 267       mips-*-netbsd*)   machine=pmax ;;
 268       mipsel-*-netbsd*) machine=pmax ;;
 269       mipseb-*-netbsd*) machine=pmax ;;
 270       ns32k-*-netbsd*)  machine=ns32000 ;;
 271       powerpc-*-netbsd*) machine=macppc ;;
 272       sparc*-*-netbsd*) machine=sparc ;;
 273       vax-*-netbsd*)    machine=vax ;;
 274       arm-*-netbsd*)    machine=arm ;;
 275       x86_64-*-netbsd*) machine=amdx86-64 ;;
 276       hppa-*-netbsd*)   machine=hp800 ;;
 277       shle-*-netbsd*)   machine=sh3el ;;
 278     esac
 279   ;;
 280
 281   ## OpenBSD ports
 282   *-*-openbsd* )
 283     opsys=openbsd
 284     case "${canonical}" in
 285       alpha*-*-openbsd*)        machine=alpha ;;
 286       arm-*-openbsd*)          machine=arm ;;
 287       hppa-*-openbsd*)         machine=hp9000s300 ;;
 288       i386-*-openbsd*)         machine=intel386 ;;
 289       m68k-*-openbsd*)         machine=hp9000s300 ;;
 290       m88k-*-openbsd*)         machine=aviion ;;
 291       mips64-*-openbsd*)       machine=mips64 ;;
 292       powerpc-*-openbsd*)      machine=macppc ;;
 293       sh-*-openbsd*)           machine=sh3el ;;
 294       sparc*-*-openbsd*)       machine=sparc ;;
 295       vax-*-openbsd*)          machine=vax ;;
 296       x86_64-*-openbsd*)       machine=amdx86-64 ;;
 297     esac
 298   ;;
 299
 300   ## LynxOS ports
 301   *-*-lynxos* )
 302     opsys=lynxos
 303     case "${canonical}" in
 304       i[3456]86-*-lynxos*) machine=intel386 ;;
 305       powerpc-*-lynxos*) machine=powerpc ;;
 306     esac
 307   ;;
 308
 309   ## Acorn RISCiX:
 310   arm-acorn-riscix1.1* )
 311     machine=acorn opsys=riscix1-1
 312   ;;
 313   arm-acorn-riscix1.2* | arm-acorn-riscix )
 314     ## This name is riscix12 instead of riscix1.2
 315     ## to avoid a file name conflict on MSDOS.
 316     machine=acorn opsys=riscix12
 317   ;;
 318
 319   ## BSDI ports
 320   *-*-bsdi* )
 321     opsys=bsdi
 322     case "${canonical}" in
 323       i[345]86-*-bsdi*) machine=intel386 ;;
 324       sparc-*-bsdi*)  machine=sparc ;;
 325       powerpc-*-bsdi*)  machine=macppc ;;
 326     esac
 327     case "${canonical}" in
 328       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 329       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 330       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 331       *-*-bsdi3* )              opsys=bsdos3 ;;
 332       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 333     esac
 334   ;;
 335
 336   ## Alliant machines
 337   ## Strictly speaking, we need the version of the alliant operating
 338   ## system to choose the right machine file, but currently the
 339   ## configuration name doesn't tell us enough to choose the right
 340   ## one; we need to give alliants their own operating system name to
 341   ## do this right.  When someone cares, they can help us.
 342   fx80-alliant-* )
 343     machine=alliant4 opsys=bsd4-2
 344   ;;
 345   i860-alliant-* )
 346     machine=alliant-2800 opsys=bsd4-3
 347   ;;
 348
 349   ## Alpha (DEC) machines.
 350   alpha*-dec-osf* )
 351     machine=alpha opsys=osf1
 352     # This is needed to find X11R6.1 libraries for certain tests.
 353     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 354     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 355     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 356     # due to non-traditional preprocessing with the current compiler
 357     # defaults.  OSF 4 can also have that compiler version, and there
 358     # seems always to have been a usable /usr/bin/cpp.
 359     NON_GNU_CPP=/usr/bin/cpp
 360     case "${canonical}" in
 361     alpha*-dec-osf[5-9]*)
 362       opsys=osf5-0 ;;
 363     esac
 364   ;;
 365
 366   alpha*-*-linux-gnu* )
 367     machine=alpha opsys=gnu-linux
 368   ;;
 369
 370   arm*-*-linux-gnu* )
 371     machine=arm opsys=gnu-linux
 372   ;;
 373
 374   ## Altos 3068
 375   m68*-altos-sysv* )
 376     machine=altos opsys=usg5-2
 377   ;;
 378
 379   ## Amdahl UTS
 380   580-amdahl-sysv* )
 381     machine=amdahl opsys=usg5-2-2
 382   ;;
 383
 384   ## Apollo, Domain/OS
 385   m68*-apollo-* )
 386     machine=apollo opsys=bsd4-3
 387   ;;
 388
 389   ## Apple Darwin / Mac OS X
 390   *-apple-darwin* )
 391     case "${canonical}" in
 392       i[3456]86-* )  machine=intel386 ;;
 393       powerpc-* )    machine=powermac ;;
 394       * )            unported=yes ;;
 395     esac
 396     opsys=darwin
 397     # Define CPP as follows to make autoconf work correctly.
 398     CPP="${CC-cc} -E -no-cpp-precomp"
 399     # Use fink packages if available.
 400     if test -d /sw/include && test -d /sw/lib; then
 401       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 402       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 403       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 404     fi
 405   ;;
 406
 407   ## AT&T 3b2, 3b5, 3b15, 3b20
 408   we32k-att-sysv* )
 409     machine=att3b opsys=usg5-2-2
 410   ;;
 411
 412   ## AT&T 3b1 - The Mighty Unix PC!
 413   m68*-att-sysv* )
 414     machine=7300 opsys=usg5-2-2
 415   ;;
 416
 417   ## Bull dpx20
 418   rs6000-bull-bosx* )
 419     machine=ibmrs6000 opsys=aix3-2
 420   ;;
 421
 422   ## Bull dpx2
 423   m68*-bull-sysv3* )
 424     machine=dpx2 opsys=usg5-3
 425   ;;
 426
 427   ## Bull sps7
 428   m68*-bull-sysv2* )
 429     machine=sps7 opsys=usg5-2
 430   ;;
 431
 432   ## CCI 5/32, 6/32 -- see "Tahoe".
 433
 434   ## Celerity
 435   ## I don't know what configuration name to use for this; config.sub
 436   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 437   ## in touch with us!
 438   celerity-celerity-bsd* )
 439     machine=celerity opsys=bsd4-2
 440   ;;
 441
 442   ## Clipper
 443   ## What operating systems does this chip run that Emacs has been
 444   ## tested on?
 445   clipper-* )
 446     machine=clipper
 447     ## We'll use the catch-all code at the bottom to guess the
 448     ## operating system.
 449   ;;
 450
 451   ## Compaq Nonstop
 452   mips-compaq-nonstopux* )
 453     machine=nonstopux opsys=nonstopux
 454     ;;
 455
 456   ## Convex
 457   *-convex-bsd* | *-convex-convexos* )
 458     machine=convex opsys=bsd4-3
 459     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 460     NON_GNU_CPP="cc -E -P"
 461   ;;
 462
 463   ## Cubix QBx/386
 464   i[3456]86-cubix-sysv* )
 465     machine=intel386 opsys=usg5-3
 466   ;;
 467
 468   ## Cydra 5
 469   cydra*-cydrome-sysv* )
 470     machine=cydra5 opsys=usg5-3
 471   ;;
 472
 473   ## Data General AViiON Machines
 474   ## DG changed naming conventions with the release of 5.4.4.10, they
 475   ## dropped the initial 5.4 but left the intervening R.  Because of the
 476   ## R this shouldn't conflict with older versions of the OS (which I
 477   ## think were named like dgux4.*). In addition, DG new AViiONs series
 478   ## uses either Motorola M88k or Intel Pentium CPUs.
 479   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 480     machine=aviion opsys=dgux4
 481   ;;
 482   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 483     ## This name is dgux5-4-3 instead of dgux5-4r3
 484     ## to avoid a file name conflict on MSDOS.
 485     machine=aviion opsys=dgux5-4-3
 486   ;;
 487   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 488     machine=aviion opsys=dgux5-4r2
 489   ;;
 490   m88k-dg-dgux* )
 491     machine=aviion opsys=dgux
 492   ;;
 493
 494   ## Data General AViiON Intel (x86) Machines
 495   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 496   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 497   i[345]86-dg-dguxR4* )
 498     machine=aviion-intel opsys=dgux4
 499   ;;
 500
 501   ## DECstations
 502   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 503     machine=pmax opsys=bsd4-2
 504   ;;
 505   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 506     machine=pmax opsys=bsd4-3
 507   ;;
 508   mips-dec-ultrix* )
 509     machine=pmax opsys=ultrix4-3
 510   ;;
 511   mips-dec-osf* )
 512     machine=pmax opsys=osf1
 513   ;;
 514   mips-dec-mach_bsd4.3* )
 515     machine=pmax opsys=mach-bsd4-3
 516   ;;
 517
 518   ## Motorola Delta machines
 519   m68k-motorola-sysv* | m68000-motorola-sysv* )
 520     machine=delta opsys=usg5-3
 521     if test -z "`type gnucc | grep 'not found'`"
 522     then
 523       if test -s /etc/167config
 524       then CC="gnucc -m68040"
 525       else CC="gnucc -m68881"
 526       fi
 527     else
 528       if test -z "`type gcc | grep 'not found'`"
 529       then CC=gcc
 530       else CC=cc
 531       fi
 532     fi
 533   ;;
 534   m88k-motorola-sysv4* )
 535     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 536     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 537     # I hope there are not other 4.0 versions for this machine
 538     # which really need usg5-4 instead.
 539     machine=delta88k opsys=usg5-4-2
 540   ;;
 541   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 542     machine=delta88k opsys=usg5-3
 543   ;;
 544
 545   ## Dual machines
 546   m68*-dual-sysv* )
 547     machine=dual opsys=usg5-2
 548   ;;
 549   m68*-dual-uniplus* )
 550     machine=dual opsys=unipl5-2
 551   ;;
 552
 553   ## Elxsi 6400
 554   elxsi-elxsi-sysv* )
 555     machine=elxsi opsys=usg5-2
 556   ;;
 557
 558   ## Encore machines
 559   ns16k-encore-bsd* )
 560     machine=ns16000 opsys=umax
 561   ;;
 562
 563   ## The GEC 63 - apparently, this port isn't really finished yet.
 564   #  I'm sure we finished off the last of the machines, though.  -- fx
 565
 566   ## Gould Power Node and NP1
 567   pn-gould-bsd4.2* )
 568     machine=gould opsys=bsd4-2
 569   ;;
 570   pn-gould-bsd4.3* )
 571     machine=gould opsys=bsd4-3
 572   ;;
 573   np1-gould-bsd* )
 574     machine=gould-np1 opsys=bsd4-3
 575   ;;
 576
 577   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 578   ## as far as Emacs is concerned).
 579   m88k-harris-cxux* )
 580     # Build needs to be different on 7.0 and later releases
 581     case "`uname -r`" in
 582        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 583        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 584     esac
 585     NON_GNU_CPP="/lib/cpp"
 586   ;;
 587   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 588   m68k-harris-cxux* )
 589     machine=nh3000 opsys=cxux
 590   ;;
 591   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 592   powerpc-harris-powerunix )
 593     machine=nh6000 opsys=powerunix
 594     NON_GNU_CPP="cc -Xo -E -P"
 595   ;;
 596   ## SR2001/SR2201 running HI-UX/MPP
 597   hppa1.1-hitachi-hiuxmpp* )
 598     machine=sr2k opsys=hiuxmpp
 599   ;;
 600   hppa1.1-hitachi-hiuxwe2* )
 601     machine=sr2k opsys=hiuxwe2
 602   ;;
 603   ## Honeywell XPS100
 604   xps*-honeywell-sysv* )
 605     machine=xps100 opsys=usg5-2
 606   ;;
 607
 608   ## HP 9000 series 200 or 300
 609   m68*-hp-bsd* )
 610     machine=hp9000s300 opsys=bsd4-3
 611   ;;
 612   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 613   m68*-hp-hpux* )
 614     case "`uname -r`" in
 615       ## Someone's system reports A.B8.05 for this.
 616       ## I wonder what other possibilities there are.
 617       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 618       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 619       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 620       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 621       *) machine=hp9000s300 opsys=hpux ;;
 622     esac
 623   ;;
 624
 625   ## HP 9000 series 700 and 800, running HP/UX
 626   hppa*-hp-hpux7* )
 627     machine=hp800 opsys=hpux
 628   ;;
 629   hppa*-hp-hpux8* )
 630     machine=hp800 opsys=hpux8
 631   ;;
 632   hppa*-hp-hpux9shr* )
 633     machine=hp800 opsys=hpux9shr
 634   ;;
 635   hppa*-hp-hpux9* )
 636     machine=hp800 opsys=hpux9
 637   ;;
 638   hppa*-hp-hpux10.2* )
 639     machine=hp800 opsys=hpux10-20
 640   ;;
 641   hppa*-hp-hpux10* )
 642     machine=hp800 opsys=hpux10
 643   ;;
 644   hppa*-hp-hpux1[1-9]* )
 645     machine=hp800 opsys=hpux11
 646     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 647   ;;
 648
 649   hppa*-*-linux-gnu* )
 650     machine=hp800 opsys=gnu-linux
 651   ;;
 652
 653   ## HP 9000 series 700 and 800, running HP/UX
 654   hppa*-hp-hpux* )
 655     ## Cross-compilation?  Nah!
 656     case "`uname -r`" in
 657       ## Someone's system reports A.B8.05 for this.
 658       ## I wonder what other possibilities there are.
 659       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 660       *.08.* ) machine=hp800 opsys=hpux8 ;;
 661       *.09.* ) machine=hp800 opsys=hpux9 ;;
 662       *) machine=hp800 opsys=hpux10 ;;
 663     esac
 664   ;;
 665   hppa*-*-nextstep* )
 666     machine=hp800 opsys=nextstep
 667   ;;
 668
 669   ## Orion machines
 670   orion-orion-bsd* )
 671     machine=orion opsys=bsd4-2
 672   ;;
 673   clipper-orion-bsd* )
 674     machine=orion105 opsys=bsd4-2
 675   ;;
 676
 677   ## IBM machines
 678   i[3456]86-ibm-aix1.1* )
 679     machine=ibmps2-aix opsys=usg5-2-2
 680   ;;
 681   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 682     machine=ibmps2-aix opsys=usg5-3
 683   ;;
 684   i370-ibm-aix*)
 685     machine=ibm370aix opsys=usg5-3
 686   ;;
 687   s390-*-linux-gnu* )
 688     machine=ibms390 opsys=gnu-linux
 689   ;;
 690   s390x-*-linux-gnu* )
 691     machine=ibms390x opsys=gnu-linux
 692   ;;
 693   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 694     machine=ibmrs6000 opsys=aix3-1
 695   ;;
 696   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 697     machine=ibmrs6000 opsys=aix3-2-5
 698   ;;
 699   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 700     machine=ibmrs6000 opsys=aix4-1
 701   ;;
 702   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 703     machine=ibmrs6000 opsys=aix4-2
 704   ;;
 705   rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3*  )
 706     machine=ibmrs6000 opsys=aix4-2
 707   ;;
 708   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 709     machine=ibmrs6000 opsys=aix4-2
 710   ;;
 711   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 712     machine=ibmrs6000 opsys=aix4
 713   ;;
 714   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 715     machine=ibmrs6000 opsys=aix4-1
 716   ;;
 717   rs6000-ibm-aix* | powerpc-ibm-aix* )
 718     machine=ibmrs6000 opsys=aix3-2
 719   ;;
 720   romp-ibm-bsd4.3* )
 721     machine=ibmrt opsys=bsd4-3
 722   ;;
 723   romp-ibm-bsd4.2* )
 724     machine=ibmrt opsys=bsd4-2
 725   ;;
 726   romp-ibm-aos4.3* )
 727     machine=ibmrt opsys=bsd4-3
 728   ;;
 729   romp-ibm-aos4.2* )
 730     machine=ibmrt opsys=bsd4-2
 731   ;;
 732   romp-ibm-aos* )
 733     machine=ibmrt opsys=bsd4-3
 734   ;;
 735   romp-ibm-bsd* )
 736     machine=ibmrt opsys=bsd4-3
 737   ;;
 738   romp-ibm-aix* )
 739     machine=ibmrt-aix opsys=usg5-2-2
 740   ;;
 741
 742   ## Integrated Solutions `Optimum V'
 743   m68*-isi-bsd4.2* )
 744     machine=isi-ov opsys=bsd4-2
 745   ;;
 746   m68*-isi-bsd4.3* )
 747     machine=isi-ov opsys=bsd4-3
 748   ;;
 749
 750   ## Intel 386 machines where we do care about the manufacturer
 751   i[3456]86-intsys-sysv* )
 752     machine=is386 opsys=usg5-2-2
 753   ;;
 754
 755   ## Prime EXL
 756   i[3456]86-prime-sysv* )
 757     machine=i386 opsys=usg5-3
 758   ;;
 759
 760   ## Sequent Symmetry running Dynix
 761   i[3456]86-sequent-bsd* )
 762     machine=symmetry opsys=bsd4-3
 763   ;;
 764
 765   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 766   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 767     machine=sequent-ptx opsys=ptx4
 768     NON_GNU_CPP=/lib/cpp
 769   ;;
 770
 771   ## Sequent Symmetry running DYNIX/ptx
 772   ## Use the old cpp rather than the newer ANSI one.
 773   i[3456]86-sequent-ptx* )
 774     machine=sequent-ptx opsys=ptx
 775     NON_GNU_CPP="/lib/cpp"
 776   ;;
 777
 778   ## ncr machine running svr4.3.
 779   i[3456]86-ncr-sysv4.3 )
 780     machine=ncr386 opsys=usg5-4-3
 781   ;;
 782
 783   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 784   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 785   i[3456]86-ncr-sysv* )
 786     machine=ncr386 opsys=usg5-4-2
 787   ;;
 788
 789   ## Intel Paragon OSF/1
 790   i860-intel-osf1* )
 791     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 792   ;;
 793
 794   ## Intel 860
 795   i860-*-sysv4* )
 796     machine=i860 opsys=usg5-4
 797     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 798     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 799   ;;
 800
 801   ## Macintosh PowerPC
 802   powerpc*-*-linux-gnu* )
 803     machine=macppc opsys=gnu-linux
 804   ;;
 805
 806   ## Masscomp machines
 807   m68*-masscomp-rtu* )
 808     machine=masscomp opsys=rtu
 809   ;;
 810
 811   ## Megatest machines
 812   m68*-megatest-bsd* )
 813     machine=mega68 opsys=bsd4-2
 814   ;;
 815
 816   ## Workstations sold by MIPS
 817   ## This is not necessarily all workstations using the MIPS processor -
 818   ## Irises are produced by SGI, and DECstations by DEC.
 819
 820   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 821   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 822   ## it gives for choosing between the alternatives seems to be "Use
 823   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 824   ## the BSD world."  I'll assume that these are instructions for
 825   ## handling two odd situations, and that every other situation
 826   ## should use mips.h and usg5-2-2, they being listed first.
 827   mips-mips-usg* )
 828     machine=mips4
 829     ## Fall through to the general code at the bottom to decide on the OS.
 830   ;;
 831   mips-mips-riscos4* )
 832     machine=mips4 opsys=bsd4-3
 833     NON_GNU_CC="cc -systype bsd43"
 834     NON_GNU_CPP="cc -systype bsd43 -E"
 835   ;;
 836   mips-mips-riscos5* )
 837     machine=mips4 opsys=riscos5
 838     NON_GNU_CC="cc -systype bsd43"
 839     NON_GNU_CPP="cc -systype bsd43 -E"
 840   ;;
 841   mips-mips-bsd* )
 842     machine=mips opsys=bsd4-3
 843   ;;
 844   mips-mips-* )
 845     machine=mips opsys=usg5-2-2
 846   ;;
 847
 848   ## NeXT
 849   m68*-next-* | m68k-*-nextstep* )
 850     machine=m68k opsys=nextstep
 851   ;;
 852
 853   ## The complete machine from National Semiconductor
 854   ns32k-ns-genix* )
 855     machine=ns32000 opsys=usg5-2
 856   ;;
 857
 858   ## NCR machines
 859   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 860     machine=tower32 opsys=usg5-2-2
 861   ;;
 862   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 863     machine=tower32v3 opsys=usg5-3
 864   ;;
 865
 866   ## NEC EWS4800
 867   mips-nec-sysv4*)
 868   machine=ews4800 opsys=ux4800
 869   ;;
 870
 871   ## Nixdorf Targon 31
 872   m68*-nixdorf-sysv* )
 873     machine=targon31 opsys=usg5-2-2
 874   ;;
 875
 876   ## Nu (TI or LMI)
 877   m68*-nu-sysv* )
 878     machine=nu opsys=usg5-2
 879   ;;
 880
 881   ## Plexus
 882   m68*-plexus-sysv* )
 883     machine=plexus opsys=usg5-2
 884   ;;
 885
 886   ## Pyramid machines
 887   ## I don't really have any idea what sort of processor the Pyramid has,
 888   ## so I'm assuming it is its own architecture.
 889   pyramid-pyramid-bsd* )
 890     machine=pyramid opsys=bsd4-2
 891   ;;
 892
 893   ## Sequent Balance
 894   ns32k-sequent-bsd4.2* )
 895     machine=sequent opsys=bsd4-2
 896   ;;
 897   ns32k-sequent-bsd4.3* )
 898     machine=sequent opsys=bsd4-3
 899   ;;
 900
 901   ## Siemens Nixdorf
 902   mips-siemens-sysv* | mips-sni-sysv*)
 903     machine=mips-siemens opsys=usg5-4
 904     NON_GNU_CC=/usr/ccs/bin/cc
 905     NON_GNU_CPP=/usr/ccs/lib/cpp
 906   ;;
 907
 908   ## Silicon Graphics machines
 909   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 910   m68*-sgi-iris3.5* )
 911     machine=irist opsys=iris3-5
 912   ;;
 913   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 914     machine=irist opsys=iris3-6
 915   ;;
 916   ## Iris 4D
 917   mips-sgi-irix3* )
 918     machine=iris4d opsys=irix3-3
 919   ;;
 920   mips-sgi-irix4* )
 921     machine=iris4d opsys=irix4-0
 922   ;;
 923   mips-sgi-irix6.5 )
 924     machine=iris4d opsys=irix6-5
 925     # Without defining _LANGUAGE_C, things get masked out in the headers
 926     # so that, for instance, grepping for `free' in stdlib.h fails and
 927     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 928     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 929     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 930   ;;
 931   mips-sgi-irix6* )
 932     machine=iris4d opsys=irix6-0
 933     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 934     # but presumably it does no harm.
 935     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 936     # -32 probably isn't necessary in later v.6s -- anyone know which?
 937     NON_GCC_TEST_OPTIONS=-32
 938   ;;
 939   mips-sgi-irix5.[01]* )
 940     machine=iris4d opsys=irix5-0
 941   ;;
 942   mips-sgi-irix5* | mips-sgi-irix* )
 943     machine=iris4d opsys=irix5-2
 944   ;;
 945
 946   ## SONY machines
 947   m68*-sony-bsd4.2* )
 948     machine=news opsys=bsd4-2
 949   ;;
 950   m68*-sony-bsd4.3* )
 951     machine=news opsys=bsd4-3
 952   ;;
 953   m68*-sony-newsos3* | m68*-sony-news3*)
 954     machine=news opsys=bsd4-3
 955   ;;
 956   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 957     machine=news-risc opsys=bsd4-3
 958   ;;
 959   mips-sony-newsos6* )
 960     machine=news-r6 opsys=newsos6
 961   ;;
 962   mips-sony-news* )
 963     machine=news-risc opsys=newsos5
 964   ;;
 965
 966   ## Stride
 967   m68*-stride-sysv* )
 968     machine=stride opsys=usg5-2
 969   ;;
 970
 971   ## Suns
 972   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 973     machine=sparc opsys=gnu-linux
 974   ;;
 975
 976   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 977     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 978     | rs6000-*-solaris2*)
 979     case "${canonical}" in
 980       m68*-sunos1* )    machine=sun1 ;;
 981       m68*-sunos2* )    machine=sun2 ;;
 982       m68* )            machine=sun3 ;;
 983       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 984       i[3456]86-*-* )     machine=intel386 ;;
 985       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 986       powerpcle* )      machine=powerpcle ;;
 987       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 988       sparc* )          machine=sparc ;;
 989       * )               unported=yes ;;
 990     esac
 991     case "${canonical}" in
 992       ## The Sun386 didn't get past 4.0.
 993       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 994       *-sunos4.0*         ) opsys=sunos4-0 ;;
 995       *-sunos4.1.[3-9]*noshare )
 996                 ## This name is sunos413 instead of sunos4-1-3
 997                 ## to avoid a file name conflict on MSDOS.
 998                 opsys=sunos413
 999                 NON_GNU_CPP=/usr/lib/cpp
1000                 NON_GCC_TEST_OPTIONS=-Bstatic
1001                 GCC_TEST_OPTIONS=-static
1002                 ;;
1003       *-sunos4.1.[3-9]* | *-sunos4shr*)
1004                 opsys=sunos4shr
1005                 NON_GNU_CPP=/usr/lib/cpp
1006                 ;;
1007       *-sunos4* | *-sunos )
1008                 opsys=sunos4-1
1009                 NON_GCC_TEST_OPTIONS=-Bstatic
1010                 GCC_TEST_OPTIONS=-static
1011                 ;;
1012       *-sunos5.3* | *-solaris2.3* )
1013                 opsys=sol2-3
1014                 NON_GNU_CPP=/usr/ccs/lib/cpp
1015                 ;;
1016       *-sunos5.4* | *-solaris2.4* )
1017                 opsys=sol2-4
1018                 NON_GNU_CPP=/usr/ccs/lib/cpp
1019                 RANLIB="ar -ts"
1020                 ;;
1021       *-sunos5.5* | *-solaris2.5* )
1022                 opsys=sol2-5
1023                 NON_GNU_CPP=/usr/ccs/lib/cpp
1024                 RANLIB="ar -ts"
1025                 ;;
1026       *-sunos5.6* | *-solaris2.6* )
1027                 opsys=sol2-6
1028                 NON_GNU_CPP=/usr/ccs/lib/cpp
1029                 RANLIB="ar -ts"
1030                 ;;
1031       *-sunos5* | *-solaris* )
1032                 opsys=sol2-6
1033 ## FIXME: make this into a proper fix that checks the compiler type,
1034 ## rather than relying on path. Or is /usr/ccs/lib/cpp a bad default now?
1035                 if [ "x$CC" = x/opt/SUNWspro/bin/cc ]; then
1036                   ## -Xs prevents spurious whitespace.
1037                   NON_GNU_CPP="/opt/SUNWspro/bin/cc -E -Xs"
1038                 else
1039                   NON_GNU_CPP=/usr/ccs/lib/cpp
1040                 fi
1041                 ;;
1042       *                   ) opsys=bsd4-2   ;;
1043     esac
1044     ## Watch out for a compiler that we know will not work.
1045     case "${canonical}" in
1046      *-solaris* | *-sunos5* )
1047                 if [ "x$CC" = x/usr/ucb/cc ]; then
1048                   ## /usr/ucb/cc doesn't work;
1049                   ## we should find some other compiler that does work.
1050                   unset CC
1051                 fi
1052                 ;;
1053       *) ;;
1054     esac
1055   ;;
1056   sparc-*-nextstep* )
1057     machine=sparc opsys=nextstep
1058   ;;
1059
1060   ## Tadpole 68k
1061   m68*-tadpole-sysv* )
1062     machine=tad68k opsys=usg5-3
1063   ;;
1064
1065   ## Tahoe machines
1066   tahoe-tahoe-bsd4.2* )
1067     machine=tahoe opsys=bsd4-2
1068   ;;
1069   tahoe-tahoe-bsd4.3* )
1070     machine=tahoe opsys=bsd4-3
1071   ;;
1072
1073   ## Tandem Integrity S2
1074   mips-tandem-sysv* )
1075     machine=tandem-s2 opsys=usg5-3
1076   ;;
1077
1078   ## Tektronix XD88
1079   m88k-tektronix-sysv3* )
1080   machine=tekxd88 opsys=usg5-3
1081   ;;
1082
1083   ## Tektronix 16000 box (6130?)
1084   ns16k-tektronix-bsd* )
1085     machine=ns16000 opsys=bsd4-2
1086   ;;
1087   ## Tektronix 4300
1088   ## src/m/tek4300.h hints that this is a m68k machine.
1089   m68*-tektronix-bsd* )
1090     machine=tek4300 opsys=bsd4-3
1091   ;;
1092
1093   ## Titan P2 or P3
1094   ## We seem to have lost the machine-description file titan.h!
1095   titan-titan-sysv* )
1096     machine=titan opsys=usg5-3
1097   ;;
1098
1099   ## Ustation E30 (SS5E)
1100   m68*-unisys-uniplus* )
1101     machine=ustation opsystem=unipl5-2
1102   ;;
1103
1104   ## Vaxen.
1105   vax-dec-* )
1106     machine=vax
1107     case "${canonical}" in
1108       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1109       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1110       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1111       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1112       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1113       *-vms* )                                          opsys=vms ;;
1114       * )                                               unported=yes
1115     esac
1116   ;;
1117
1118   ## Whitechapel MG1
1119   ns16k-whitechapel-* )
1120     machine=mg1
1121     ## We don't know what sort of OS runs on these; we'll let the
1122     ## operating system guessing code below try.
1123   ;;
1124
1125   ## Wicat
1126   m68*-wicat-sysv* )
1127     machine=wicat opsys=usg5-2
1128   ;;
1129
1130   ## IA-64
1131   ia64*-*-linux* )
1132     machine=ia64 opsys=gnu-linux
1133   ;;
1134
1135   ## Intel 386 machines where we don't care about the manufacturer
1136   i[3456]86-*-* )
1137     machine=intel386
1138     case "${canonical}" in
1139       *-cygwin )                opsys=cygwin ;;
1140       *-darwin* )               opsys=darwin
1141                                 CPP="${CC-cc} -E -no-cpp-precomp"
1142                                 ;;
1143       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1144       *-isc2.2* )               opsys=isc2-2 ;;
1145       *-isc4.0* )               opsys=isc4-0 ;;
1146       *-isc4.* )                opsys=isc4-1
1147                                 GCC_TEST_OPTIONS=-posix
1148                                 NON_GCC_TEST_OPTIONS=-Xp
1149                                 ;;
1150       *-isc* )                  opsys=isc3-0 ;;
1151       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1152       *-esix* )                 opsys=esix ;;
1153       *-xenix* )                opsys=xenix ;;
1154       *-linux-gnu* )            opsys=gnu-linux ;;
1155       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1156       *-sco3.2v5* )             opsys=sco5
1157                                 NON_GNU_CPP=/lib/cpp
1158                                 # Prevent -belf from being passed to $CPP.
1159                                 # /lib/cpp does not accept it.
1160                                 OVERRIDE_CPPFLAGS=" "
1161                                 ;;
1162       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1163       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1164       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1165       *-386bsd* )               opsys=386bsd ;;
1166       *-nextstep* )             opsys=nextstep ;;
1167       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1168     esac
1169   ;;
1170
1171   ## m68k Linux-based GNU system
1172   m68k-*-linux-gnu* )
1173     machine=m68k opsys=gnu-linux
1174   ;;
1175
1176   ## Mips Linux-based GNU system
1177   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
1178     machine=mips opsys=gnu-linux
1179   ;;
1180
1181   ## UXP/DS
1182   sparc-fujitsu-sysv4* )
1183     machine=sparc opsys=uxpds
1184     NON_GNU_CPP=/usr/ccs/lib/cpp
1185     RANLIB="ar -ts"
1186   ;;
1187
1188   ## UXP/V
1189   f301-fujitsu-uxpv4.1)
1190     machine=f301 opsys=uxpv
1191   ;;
1192
1193   ## AMD x86-64 Linux-based GNU system
1194   x86_64-*-linux-gnu* )
1195     machine=amdx86-64 opsys=gnu-linux
1196   ;;
1197
1198   ## Tensilica Xtensa Linux-based GNU system
1199   xtensa-*-linux-gnu* )
1200     machine=xtensa opsys=gnu-linux
1201     ;;
1202
1203   * )
1204     unported=yes
1205   ;;
1206 esac
1207
1208 ### If the code above didn't choose an operating system, just choose
1209 ### an operating system based on the configuration name.  You really
1210 ### only want to use this when you have no idea what the right
1211 ### operating system is; if you know what operating systems a machine
1212 ### runs, it's cleaner to make it explicit in the case statement
1213 ### above.
1214 if test x"${opsys}" = x; then
1215   case "${canonical}" in
1216     *-gnu* )                            opsys=gnu ;;
1217     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1218     *-bsd4.2 )                          opsys=bsd4-2 ;;
1219     *-bsd4.3 )                          opsys=bsd4-3 ;;
1220     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1221     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1222     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1223     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1224     *-sysv4.2uw* )                      opsys=unixware ;;
1225     *-sysv5uw* )                        opsys=unixware ;;
1226     *-sysv5OpenUNIX* )                  opsys=unixware ;;
1227     *-sysv4.1* | *-sysvr4.1* )
1228         NON_GNU_CPP=/usr/lib/cpp
1229         opsys=usg5-4 ;;
1230     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1231         if [ x$NON_GNU_CPP = x ]; then
1232           if [ -f /usr/ccs/lib/cpp ]; then
1233             NON_GNU_CPP=/usr/ccs/lib/cpp
1234           else
1235             NON_GNU_CPP=/lib/cpp
1236           fi
1237         fi
1238         opsys=usg5-4-2 ;;
1239     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1240     * )
1241       unported=yes
1242     ;;
1243   esac
1244 fi
1245
1246 ]
1247 dnl quotation ends
1248
1249 if test $unported = yes; then
1250   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
1251 Check `etc/MACHINES' for recognized configuration names.])
1252 fi
1253
1254 machfile="m/${machine}.h"
1255 opsysfile="s/${opsys}.h"
1256
1257
1258 #### Choose a compiler.
1259 test -n "$CC" && cc_specified=yes
1260
1261 # Save the value of CFLAGS that the user specified.
1262 SPECIFIED_CFLAGS="$CFLAGS"
1263
1264 case ${with_gcc} in
1265   "yes" ) CC="gcc" GCC=yes ;;
1266   "no"  ) : ${CC=cc} ;;
1267   * )
1268 esac
1269 AC_PROG_CC
1270
1271 # On Suns, sometimes $CPP names a directory.
1272 if test -n "$CPP" && test -d "$CPP"; then
1273   CPP=
1274 fi
1275
1276 #### Some systems specify a CPP to use unless we are using GCC.
1277 #### Now that we know whether we are using GCC, we can decide whether
1278 #### to use that one.
1279 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1280 then
1281   CPP="$NON_GNU_CPP"
1282 fi
1283
1284 #### Some systems specify a CC to use unless we are using GCC.
1285 #### Now that we know whether we are using GCC, we can decide whether
1286 #### to use that one.
1287 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1288   test x$cc_specified != xyes
1289 then
1290   CC="$NON_GNU_CC"
1291 fi
1292
1293 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1294 then
1295   CC="$CC $GCC_TEST_OPTIONS"
1296 fi
1297
1298 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1299 then
1300   CC="$CC $NON_GCC_TEST_OPTIONS"
1301 fi
1302
1303 dnl checks for Unix variants
1304 AC_AIX
1305 AC_GNU_SOURCE
1306
1307 ### Use -Wno-pointer-sign if the compiler supports it
1308 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
1309 SAVE_CFLAGS="$CFLAGS"
1310 CFLAGS="$CFLAGS -Wno-pointer-sign"
1311 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
1312 if test $has_option = yes; then
1313    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
1314 fi
1315 AC_MSG_RESULT($has_option)
1316 CFLAGS="$SAVE_CFLAGS"
1317 unset has_option
1318 unset SAVE_CFLAGS
1319
1320 #### Some other nice autoconf tests.
1321
1322 dnl checks for programs
1323 AC_PROG_LN_S
1324 AC_PROG_CPP
1325 AC_PROG_INSTALL
1326 if test "x$RANLIB" = x; then
1327   AC_PROG_RANLIB
1328 fi
1329 AC_PATH_PROG(INSTALL_INFO, install-info)
1330 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
1331 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
1332 dnl Don't use GZIP, which is used by gzip for additional parameters.
1333 AC_PATH_PROG(GZIP_PROG, gzip)
1334
1335 dnl Add our options to ac_link now, after it is set up.
1336
1337 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1338 then
1339   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1340 fi
1341
1342 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1343 then
1344   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1345 fi
1346
1347 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1348 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1349 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1350 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1351 dnl if not built to support GNU ld.
1352
1353 late_LDFLAGS=$LDFLAGS
1354 if test "$GCC" = yes; then
1355   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
1356 else
1357   LDFLAGS="$LDFLAGS -znocombreloc"
1358 fi
1359
1360 AC_MSG_CHECKING([for -znocombreloc])
1361 AC_LINK_IFELSE([main(){return 0;}],
1362   [AC_MSG_RESULT(yes)],
1363   LDFLAGS=$late_LDFLAGS
1364   [AC_MSG_RESULT(no)])
1365
1366 #### Extract some information from the operating system and machine files.
1367
1368 AC_CHECKING([the machine- and system-dependent files to find out
1369  - which libraries the lib-src programs will want, and
1370  - whether the GNU malloc routines are usable])
1371
1372 ### First figure out CFLAGS (which we use for running the compiler here)
1373 ### and REAL_CFLAGS (which we use for real compilation).
1374 ### The two are the same except on a few systems, where they are made
1375 ### different to work around various lossages.  For example,
1376 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1377 ### as implying static linking.
1378
1379 ### If the CFLAGS env var is specified, we use that value
1380 ### instead of the default.
1381
1382 ### It's not important that this name contain the PID; you can't run
1383 ### two configures in the same directory and have anything work
1384 ### anyway.
1385 tempcname="conftest.c"
1386
1387 echo '
1388 #include "'${srcdir}'/src/'${opsysfile}'"
1389 #include "'${srcdir}'/src/'${machfile}'"
1390 #ifndef LIBS_MACHINE
1391 #define LIBS_MACHINE
1392 #endif
1393 #ifndef LIBS_SYSTEM
1394 #define LIBS_SYSTEM
1395 #endif
1396 #ifndef C_SWITCH_SYSTEM
1397 #define C_SWITCH_SYSTEM
1398 #endif
1399 #ifndef C_SWITCH_MACHINE
1400 #define C_SWITCH_MACHINE
1401 #endif
1402 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1403 configure___ c_switch_system=C_SWITCH_SYSTEM
1404 configure___ c_switch_machine=C_SWITCH_MACHINE
1405
1406 #ifndef LIB_X11_LIB
1407 #define LIB_X11_LIB -lX11
1408 #endif
1409
1410 #ifndef LIBX11_MACHINE
1411 #define LIBX11_MACHINE
1412 #endif
1413
1414 #ifndef LIBX11_SYSTEM
1415 #define LIBX11_SYSTEM
1416 #endif
1417 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1418
1419 #ifdef UNEXEC
1420 configure___ unexec=UNEXEC
1421 #else
1422 configure___ unexec=unexec.o
1423 #endif
1424
1425 #ifdef SYSTEM_MALLOC
1426 configure___ system_malloc=yes
1427 #else
1428 configure___ system_malloc=no
1429 #endif
1430
1431 #ifdef USE_MMAP_FOR_BUFFERS
1432 configure___ use_mmap_for_buffers=yes
1433 #else
1434 configure___ use_mmap_for_buffers=no
1435 #endif
1436
1437 #ifndef C_DEBUG_SWITCH
1438 #define C_DEBUG_SWITCH -g
1439 #endif
1440
1441 #ifndef C_OPTIMIZE_SWITCH
1442 #ifdef __GNUC__
1443 #define C_OPTIMIZE_SWITCH -O2
1444 #else
1445 #define C_OPTIMIZE_SWITCH -O
1446 #endif
1447 #endif
1448
1449 #ifndef C_WARNINGS_SWITCH
1450 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1451 #endif
1452
1453 #ifndef LD_SWITCH_MACHINE
1454 #define LD_SWITCH_MACHINE
1455 #endif
1456
1457 #ifndef LD_SWITCH_SYSTEM
1458 #define LD_SWITCH_SYSTEM
1459 #endif
1460
1461 #ifndef LD_SWITCH_X_SITE_AUX
1462 #define LD_SWITCH_X_SITE_AUX
1463 #endif
1464
1465 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1466 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1467
1468 #ifdef THIS_IS_CONFIGURE
1469
1470 /* Get the CFLAGS for tests in configure.  */
1471 #ifdef __GNUC__
1472 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1473 #else
1474 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1475 #endif
1476
1477 #else /* not THIS_IS_CONFIGURE */
1478
1479 /* Get the CFLAGS for real compilation.  */
1480 #ifdef __GNUC__
1481 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1482 #else
1483 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1484 #endif
1485
1486 #endif /* not THIS_IS_CONFIGURE */
1487 ' > ${tempcname}
1488
1489 # The value of CPP is a quoted variable reference, so we need to do this
1490 # to get its actual value...
1491 CPP=`eval "echo $CPP"`
1492 [eval `${CPP} -Isrc ${tempcname} \
1493        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1494 if test "x$SPECIFIED_CFLAGS" = x; then
1495   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1496          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1497 else
1498   REAL_CFLAGS="$CFLAGS"
1499 fi]
1500 rm ${tempcname}
1501
1502 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1503
1504 ### Make sure subsequent tests use flags consistent with the build flags.
1505
1506 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1507   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1508 else
1509   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1510 fi
1511
1512 dnl For AC_FUNC_GETLOADAVG, at least:
1513 AC_CONFIG_LIBOBJ_DIR(src)
1514
1515 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1516 AC_SYS_LARGEFILE
1517
1518
1519 ### The standard library on x86-64 GNU/Linux distributions can
1520 ### be located in either /usr/lib64 or /usr/lib.
1521 case "${canonical}" in
1522   x86_64-*-linux-gnu* )
1523     if test -d /usr/lib64; then
1524       AC_DEFINE(HAVE_X86_64_LIB64_DIR, 1,
1525         [Define to 1 if the file /usr/lib64 exists.])
1526 fi
1527 esac
1528
1529 dnl This function defintion taken from Gnome 2.0
1530 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1531 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1532 dnl also defines GSTUFF_PKG_ERRORS on error
1533 AC_DEFUN([PKG_CHECK_MODULES], [
1534   succeeded=no
1535
1536   if test -z "$PKG_CONFIG"; then
1537     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1538   fi
1539
1540   if test "$PKG_CONFIG" = "no" ; then
1541      ifelse([$4], , [AC_MSG_ERROR([
1542       *** 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])
1543   else
1544      PKG_CONFIG_MIN_VERSION=0.9.0
1545      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1546         AC_MSG_CHECKING(for $2)
1547
1548         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1549             AC_MSG_RESULT(yes)
1550             succeeded=yes
1551
1552             AC_MSG_CHECKING($1_CFLAGS)
1553             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1554             AC_MSG_RESULT($$1_CFLAGS)
1555
1556             AC_MSG_CHECKING($1_LIBS)
1557             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1558             AC_MSG_RESULT($$1_LIBS)
1559         else
1560             AC_MSG_RESULT(no)
1561             $1_CFLAGS=""
1562             $1_LIBS=""
1563             ## If we have a custom action on failure, don't print errors, but
1564             ## do set a variable so people can do so.
1565             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1566             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1567         fi
1568
1569         AC_SUBST($1_CFLAGS)
1570         AC_SUBST($1_LIBS)
1571      else
1572         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1573         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1574      fi
1575   fi
1576
1577   if test $succeeded = yes; then
1578      ifelse([$3], , :, [$3])
1579   else
1580      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.])], [$4])
1581   fi
1582 ])
1583
1584
1585 if test "${with_sound}" != "no"; then
1586   # Sound support for GNU/Linux and the free BSDs.
1587   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1588   # Emulation library used on NetBSD.
1589   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1590   AC_SUBST(LIBSOUND)
1591
1592   ALSA_REQUIRED=1.0.0
1593   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1594   dnl Check if --with-pkg-config-prog has been given.
1595   if test "X${with_pkg_config_prog}" != X; then
1596     PKG_CONFIG="${with_pkg_config_prog}"
1597   fi
1598   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1599   if test $HAVE_ALSA = yes; then
1600     SAVE_CFLAGS="$CFLAGS"
1601     SAVE_LDFLAGS="$LDFLAGS"
1602     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1603     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1604     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1605                     emacs_alsa_normal=yes,
1606                     emacs_alsa_normal=no)
1607     if test "$emacs_alsa_normal" != yes; then
1608       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1609                      [snd_lib_error_set_handler (0);],
1610                      emacs_alsa_subdir=yes,
1611                      emacs_alsa_subdir=no)
1612       if test "$emacs_alsa_subdir" != yes; then
1613         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1614       fi
1615       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1616     fi
1617
1618     CFLAGS="$SAVE_CFLAGS"
1619     LDFLAGS="$SAVE_LDFLAGS"
1620     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1621     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1622     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1623     AC_SUBST()
1624   fi
1625   AC_SUBST(CFLAGS_SOUND)
1626 fi
1627
1628 dnl checks for header files
1629 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1630   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1631   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1632   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1633   sys/utsname.h pwd.h)
1634
1635 AC_MSG_CHECKING(if personality LINUX32 can be set)
1636 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1637                emacs_cv_personality_linux32=yes,
1638                emacs_cv_personality_linux32=no)
1639 AC_MSG_RESULT($emacs_cv_personality_linux32)
1640
1641 if test $emacs_cv_personality_linux32 = yes; then
1642   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1643             [Define to 1 if personality LINUX32 can be set.])
1644 fi
1645
1646 dnl On Solaris 8 there's a compilation warning for term.h because
1647 dnl it doesn't define `bool'.
1648 AC_CHECK_HEADERS(term.h, , , -)
1649 AC_HEADER_STDC
1650 AC_HEADER_TIME
1651 AC_CHECK_DECLS([sys_siglist])
1652 if test $ac_cv_have_decl_sys_siglist != yes; then
1653   # For Tru64, at least:
1654   AC_CHECK_DECLS([__sys_siglist])
1655   if test $ac_cv_have_decl___sys_siglist = yes; then
1656     AC_DEFINE(sys_siglist, __sys_siglist,
1657               [Define to any substitute for sys_siglist.])
1658   fi
1659 fi
1660 AC_HEADER_SYS_WAIT
1661
1662 dnl Some systems have utime.h but don't declare the struct anyplace.
1663 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1664 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1665 #include <sys/time.h>
1666 #include <time.h>
1667 #else
1668 #ifdef HAVE_SYS_TIME_H
1669 #include <sys/time.h>
1670 #else
1671 #include <time.h>
1672 #endif
1673 #endif
1674 #ifdef HAVE_UTIME_H
1675 #include <utime.h>
1676 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1677   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1678 if test $emacs_cv_struct_utimbuf = yes; then
1679   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1680 fi
1681
1682 dnl checks for typedefs
1683 AC_TYPE_SIGNAL
1684
1685 dnl Check for speed_t typedef.
1686 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1687   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1688     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1689 if test $emacs_cv_speed_t = yes; then
1690   AC_DEFINE(HAVE_SPEED_T, 1,
1691            [Define to 1 if `speed_t' is declared by <termios.h>.])
1692 fi
1693
1694 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1695 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1696 #include <sys/time.h>
1697 #include <time.h>
1698 #else
1699 #ifdef HAVE_SYS_TIME_H
1700 #include <sys/time.h>
1701 #else
1702 #include <time.h>
1703 #endif
1704 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1705   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1706 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1707 if test $emacs_cv_struct_timeval = yes; then
1708   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1709 fi
1710
1711 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1712 AC_TRY_COMPILE([#include <math.h>],
1713 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1714   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1715 HAVE_EXCEPTION=$emacs_cv_struct_exception
1716 if test $emacs_cv_struct_exception != yes; then
1717   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1718 fi
1719
1720 AC_CHECK_HEADERS(sys/socket.h)
1721 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1722 #if HAVE_SYS_SOCKET_H
1723 #include <sys/socket.h>
1724 #endif])
1725
1726 dnl checks for structure members
1727 AC_STRUCT_TM
1728 AC_STRUCT_TIMEZONE
1729 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1730                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1731                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1732                 [#include <time.h>])
1733 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1734                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1735                   struct ifreq.ifr_addr], , ,
1736                  [AC_INCLUDES_DEFAULT
1737 #if HAVE_SYS_SOCKET_H
1738 #include <sys/socket.h>
1739 #endif
1740 #if HAVE_NET_IF_H
1741 #include <net/if.h>
1742 #endif])
1743
1744 dnl checks for compiler characteristics
1745
1746 dnl Testing __STDC__ to determine prototype support isn't good enough.
1747 dnl DEC C, for instance, doesn't define it with default options, and
1748 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1749 dnl and void *.
1750 AC_C_PROTOTYPES
1751 AC_C_VOLATILE
1752 AC_C_CONST
1753 dnl This isn't useful because we can't turn on use of `inline' unless
1754 dnl the compiler groks `extern inline'.
1755 dnl AC_C_INLINE
1756 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1757   [AC_TRY_COMPILE(, [void * foo;],
1758                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1759 if test $emacs_cv_void_star = yes; then
1760   AC_DEFINE(POINTER_TYPE, void)
1761 else
1762   AC_DEFINE(POINTER_TYPE, char)
1763 fi
1764 AH_TEMPLATE(POINTER_TYPE,
1765             [Define as `void' if your compiler accepts `void *'; otherwise
1766              define as `char'.])dnl
1767
1768
1769
1770 dnl This could be used for targets which can have both byte sexes.
1771 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1772 dnl AC_C_BIGENDIAN
1773
1774 dnl check for Make feature
1775 AC_PROG_MAKE_SET
1776
1777 dnl checks for operating system services
1778 AC_SYS_LONG_FILE_NAMES
1779
1780 #### Choose a window system.
1781
1782 AC_PATH_X
1783 if test "$no_x" = yes; then
1784   window_system=none
1785 else
1786   window_system=x11
1787 fi
1788
1789 if test "${x_libraries}" != NONE; then
1790   if test -n "${x_libraries}"; then
1791     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1792     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1793   fi
1794   x_default_search_path=""
1795   x_search_path=${x_libraries}
1796   if test -z "${x_search_path}"; then
1797     x_search_path=/usr/lib
1798   fi
1799   for x_library in `echo ${x_search_path}: | \
1800                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1801     x_search_path="\
1802 ${x_library}/X11/%L/%T/%N%C%S:\
1803 ${x_library}/X11/%l/%T/%N%C%S:\
1804 ${x_library}/X11/%T/%N%C%S:\
1805 ${x_library}/X11/%L/%T/%N%S:\
1806 ${x_library}/X11/%l/%T/%N%S:\
1807 ${x_library}/X11/%T/%N%S"
1808     if test x"${x_default_search_path}" = x; then
1809       x_default_search_path=${x_search_path}
1810     else
1811       x_default_search_path="${x_search_path}:${x_default_search_path}"
1812     fi
1813   done
1814 fi
1815 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1816   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1817 fi
1818
1819 if test x"${x_includes}" = x; then
1820   bitmapdir=/usr/include/X11/bitmaps
1821 else
1822   # accumulate include directories that have X11 bitmap subdirectories
1823   bmd_acc="dummyval"
1824   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1825     if test -d "${bmd}/X11/bitmaps"; then
1826       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1827     fi
1828     if test -d "${bmd}/bitmaps"; then
1829       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1830     fi
1831   done
1832   if test ${bmd_acc} != "dummyval"; then
1833     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1834   fi
1835 fi
1836
1837 HAVE_CARBON=no
1838 if test "${with_carbon}" != no; then
1839   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1840 fi
1841 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1842   if test "${with_carbon+set}" != set \
1843      && test "${carbon_appdir_x+set}" != set; then
1844     for var in with_x with_x_toolkit with_gtk with_xim \
1845                with_xpm with_jpeg with_tiff with_gif with_png; do
1846       if eval test \"\${$var+set}\" = set; then
1847         HAVE_CARBON=no
1848         break
1849       fi
1850     done
1851   fi
1852 fi
1853 if test "${HAVE_CARBON}" = yes; then
1854   window_system=mac
1855 fi
1856
1857 case "${window_system}" in
1858   x11 )
1859     HAVE_X_WINDOWS=yes
1860     HAVE_X11=yes
1861     case "${with_x_toolkit}" in
1862       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1863       motif ) USE_X_TOOLKIT=MOTIF ;;
1864 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1865       gtk ) with_gtk=yes
1866 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1867 dnl USE_X_TOOLKIT is set.
1868             USE_X_TOOLKIT=none ;;
1869       no ) USE_X_TOOLKIT=none ;;
1870 dnl If user did not say whether to use a toolkit,
1871 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1872       * ) USE_X_TOOLKIT=maybe ;;
1873     esac
1874   ;;
1875   mac | none )
1876     HAVE_X_WINDOWS=no
1877     HAVE_X11=no
1878     USE_X_TOOLKIT=none
1879   ;;
1880 esac
1881
1882 ### If we're using X11, we should use the X menu package.
1883 HAVE_MENUS=no
1884 case ${HAVE_X11} in
1885   yes ) HAVE_MENUS=yes ;;
1886 esac
1887
1888 if test "${opsys}" = "hpux9"; then
1889   case "${x_libraries}" in
1890     *X11R4* )
1891       opsysfile="s/hpux9-x11r4.h"
1892       ;;
1893   esac
1894 fi
1895
1896 if test "${opsys}" = "hpux9shr"; then
1897   case "${x_libraries}" in
1898     *X11R4* )
1899       opsysfile="s/hpux9shxr4.h"
1900       ;;
1901   esac
1902 fi
1903
1904 ### Compute the unexec source name from the object name.
1905 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1906
1907 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1908 # Assume not, until told otherwise.
1909 GNU_MALLOC=yes
1910 doug_lea_malloc=yes
1911 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1912 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1913 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1914                emacs_cv_var___after_morecore_hook,
1915 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1916   emacs_cv_var___after_morecore_hook=yes,
1917   emacs_cv_var___after_morecore_hook=no)])
1918 if test $emacs_cv_var___after_morecore_hook = no; then
1919   doug_lea_malloc=no
1920 fi
1921 if test "${system_malloc}" = "yes"; then
1922   GNU_MALLOC=no
1923   GNU_MALLOC_reason="
1924     (The GNU allocators don't work with this system configuration.)"
1925 fi
1926 if test "$doug_lea_malloc" = "yes" ; then
1927   if test "$GNU_MALLOC" = yes ; then
1928     GNU_MALLOC_reason="
1929       (Using Doug Lea's new malloc from the GNU C Library.)"
1930   fi
1931   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1932             [Define to 1 if you are using the GNU C Library.])
1933 fi
1934
1935 if test x"${REL_ALLOC}" = x; then
1936   REL_ALLOC=${GNU_MALLOC}
1937 fi
1938
1939 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1940 dnl the system configuration file (s/*.h) to turn the use of mmap
1941 dnl in the relocating allocator on.
1942
1943 AC_FUNC_MMAP
1944 if test $use_mmap_for_buffers = yes; then
1945   REL_ALLOC=no
1946 fi
1947
1948 LIBS="$libsrc_libs $LIBS"
1949
1950 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1951 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1952 AC_CHECK_LIB(dnet, dnet_ntoa)
1953 dnl This causes -lresolv to get used in subsequent tests,
1954 dnl which causes failures on some systems such as HPUX 9.
1955 dnl AC_CHECK_LIB(resolv, gethostbyname)
1956
1957 dnl FIXME replace main with a function we actually want from this library.
1958 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1959
1960 AC_CHECK_LIB(pthreads, cma_open)
1961
1962 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1963 if test -d /usr/X386/include; then
1964   HAVE_XFREE386=yes
1965   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1966 else
1967   HAVE_XFREE386=no
1968 fi
1969 AC_MSG_RESULT($HAVE_XFREE386)
1970
1971 dnl Check for need for bigtoc support on IBM AIX
1972
1973 case ${host_os} in
1974 aix*)
1975   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1976     case $GCC in
1977     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1978     *) gdb_cv_bigtoc=-bbigtoc ;;
1979     esac
1980
1981     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1982     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1983   ])
1984   ;;
1985 esac
1986
1987 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1988 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1989 # REAL_CPPFLAGS later on.
1990
1991 REAL_CPPFLAGS="$CPPFLAGS"
1992
1993 if test "${HAVE_X11}" = "yes"; then
1994   DEFS="$C_SWITCH_X_SITE $DEFS"
1995   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1996   LIBS="$LIBX $LIBS"
1997   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1998   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1999
2000   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2001   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
2002   # but it's more convenient here to set LD_RUN_PATH
2003   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
2004   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2005     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2006     export LD_RUN_PATH
2007   fi
2008
2009   if test "${opsys}" = "gnu-linux"; then
2010     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2011     AC_TRY_LINK([],
2012      [XOpenDisplay ("foo");],
2013      [xlinux_first_failure=no],
2014      [xlinux_first_failure=yes])
2015     if test "${xlinux_first_failure}" = "yes"; then
2016       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2017       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2018       OLD_CPPFLAGS="$CPPFLAGS"
2019       OLD_LIBS="$LIBS"
2020       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2021       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2022       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2023       LIBS="$LIBS -b i486-linuxaout"
2024       AC_TRY_LINK([],
2025        [XOpenDisplay ("foo");],
2026        [xlinux_second_failure=no],
2027        [xlinux_second_failure=yes])
2028       if test "${xlinux_second_failure}" = "yes"; then
2029         # If we get the same failure with -b, there is no use adding -b.
2030         # So take it out.  This plays safe.
2031         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2032         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2033         CPPFLAGS="$OLD_CPPFLAGS"
2034         LIBS="$OLD_LIBS"
2035         AC_MSG_RESULT(no)
2036       else
2037         AC_MSG_RESULT(yes)
2038       fi
2039     else
2040       AC_MSG_RESULT(no)
2041     fi
2042   fi
2043
2044   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2045   # header files included from there.
2046   AC_MSG_CHECKING(for Xkb)
2047   AC_TRY_LINK([#include <X11/Xlib.h>
2048 #include <X11/XKBlib.h>],
2049         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
2050         emacs_xkb=yes, emacs_xkb=no)
2051   AC_MSG_RESULT($emacs_xkb)
2052   if test $emacs_xkb = yes; then
2053     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
2054   fi
2055
2056   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2057 XScreenNumberOfScreen XSetWMProtocols)
2058 fi
2059
2060 if test "${window_system}" = "x11"; then
2061   AC_MSG_CHECKING(X11 version 6)
2062   AC_CACHE_VAL(emacs_cv_x11_version_6,
2063   [AC_TRY_LINK([#include <X11/Xlib.h>],
2064 [#if XlibSpecificationRelease < 6
2065 fail;
2066 #endif
2067 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2068   if test $emacs_cv_x11_version_6 = yes; then
2069     AC_MSG_RESULT(6 or newer)
2070     AC_DEFINE(HAVE_X11R6, 1,
2071               [Define to 1 if you have the X11R6 or newer version of Xlib.])
2072   else
2073     AC_MSG_RESULT(before 6)
2074   fi
2075 fi
2076
2077 if test "${window_system}" = "x11"; then
2078   AC_MSG_CHECKING(X11 version 5)
2079   AC_CACHE_VAL(emacs_cv_x11_version_5,
2080   [AC_TRY_LINK([#include <X11/Xlib.h>],
2081 [#if XlibSpecificationRelease < 5
2082 fail;
2083 #endif
2084 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
2085   if test $emacs_cv_x11_version_5 = yes; then
2086     AC_MSG_RESULT(5 or newer)
2087     HAVE_X11R5=yes
2088     AC_DEFINE(HAVE_X11R5, 1,
2089               [Define to 1 if you have the X11R5 or newer version of Xlib.])
2090   else
2091     HAVE_X11R5=no
2092     AC_MSG_RESULT(before 5)
2093   fi
2094 fi
2095
2096 HAVE_GTK=no
2097 if test "${with_gtk}" = "yes" && test "$USE_X_TOOLKIT" = "gtk"; then
2098   USE_X_TOOLKIT=none
2099 fi
2100 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then
2101   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
2102     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
2103   fi
2104   GLIB_REQUIRED=2.4
2105   GTK_REQUIRED=2.4
2106   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2107
2108   dnl Check if --with-pkg-config-prog has been given.
2109   if test "X${with_pkg_config_prog}" != X; then
2110     PKG_CONFIG="${with_pkg_config_prog}"
2111   fi
2112   dnl Checks for libraries.
2113   PKG_CHECK_MODULES(GTK, $GTK_MODULES)
2114   AC_SUBST(GTK_CFLAGS)
2115   AC_SUBST(GTK_LIBS)
2116   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2117   CFLAGS="$CFLAGS $GTK_CFLAGS"
2118   LIBS="$GTK_LIBS $LIBS"
2119   dnl Try to compile a simple GTK program.
2120   GTK_COMPILES=no
2121   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2122   if test "${GTK_COMPILES}" != "yes"; then
2123     AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
2124   fi
2125
2126   HAVE_GTK=yes
2127   AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
2128   USE_X_TOOLKIT=none
2129
2130   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2131   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
2132   if test "$with_toolkit_scroll_bars" != no; then
2133     with_toolkit_scroll_bars=yes
2134   fi
2135
2136   dnl  Check if we can use multiple displays with this GTK version.
2137   dnl  If gdk_display_open exists, assume all others are there also.
2138   HAVE_GTK_MULTIDISPLAY=no
2139   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
2140   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
2141     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
2142               [Define to 1 if GTK can handle more than one display.])
2143   fi
2144   dnl  Check if we have the old file selection dialog.
2145   dnl  If gdk_display_open exists, assume all others are there also.
2146   HAVE_GTK_FILE_SELECTION=no
2147   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
2148
2149   dnl  Check if we have the new file chooser dialog
2150   dnl  If gdk_display_open exists, assume all others are there also.
2151   HAVE_GTK_FILE_CHOOSER=no
2152   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
2153
2154   if test "$HAVE_GTK_FILE_SELECTION" = yes \
2155      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
2156     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
2157               [Define to 1 if GTK has both file selection and chooser dialog.])
2158   fi
2159
2160   dnl Check if pthreads are available.  Emacs only needs this when using
2161   dnl gtk_file_chooser under Gnome.
2162   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
2163     HAVE_GTK_AND_PTHREAD=no
2164     AC_CHECK_HEADERS(pthread.h)
2165     if test "$ac_cv_header_pthread_h"; then
2166       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
2167     fi
2168     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
2169       GTK_LIBS="$GTK_LIBS -lpthread"
2170       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
2171                [Define to 1 if you have GTK and pthread (-lpthread).])
2172     fi
2173   fi
2174 fi
2175
2176 ### Link with -lXft if available to work around a bug.
2177 HAVE_XFT=maybe
2178 if test "${HAVE_GTK}" = "yes"; then
2179   dnl Check if --with-pkg-config-prog has been given.
2180   if test "X${with_pkg_config_prog}" != X; then
2181     PKG_CONFIG="${with_pkg_config_prog}"
2182   fi
2183
2184   PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2185   if test "$HAVE_XFT" != no; then
2186     OLD_CFLAGS="$CPPFLAGS"
2187     OLD_CPPFLAGS="$CFLAGS"
2188     OLD_LIBS="$LIBS"
2189     CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2190     CFLAGS="$CFLAGS $XFT_CFLAGS"
2191     LIBS="$XFT_LIBS $LIBS"
2192     AC_CHECK_HEADER(X11/Xft/Xft.h,
2193       AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2194
2195     if test "${HAVE_XFT}" = "yes"; then
2196       AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2197       AC_SUBST(XFT_LIBS)
2198       C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2199     else
2200       CFLAGS="$OLD_CPPFLAGS"
2201       CFLAGS="$OLD_CFLAGS"
2202       LIBS="$OLD_LIBS"
2203     fi
2204   fi
2205 fi
2206
2207 dnl Do not put whitespace before the #include statements below.
2208 dnl Older compilers (eg sunos4 cc) choke on it.
2209 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2210   if test x"${HAVE_X11R5}" = xyes; then
2211     AC_MSG_CHECKING(X11 version 5 with Xaw)
2212     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
2213     [AC_TRY_LINK([
2214 #include <X11/Intrinsic.h>
2215 #include <X11/Xaw/Simple.h>],
2216       [],
2217       emacs_cv_x11_version_5_with_xaw=yes,
2218       emacs_cv_x11_version_5_with_xaw=no)])
2219     if test $emacs_cv_x11_version_5_with_xaw = yes; then
2220       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
2221       USE_X_TOOLKIT=LUCID
2222     else
2223       if test x"${USE_X_TOOLKIT}" = xLUCID; then
2224         AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2225       else
2226         AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
2227         USE_X_TOOLKIT=none
2228       fi
2229     fi
2230   else
2231     USE_X_TOOLKIT=none
2232   fi
2233 fi
2234
2235 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2236
2237 if test "${USE_X_TOOLKIT}" != "none"; then
2238   AC_MSG_CHECKING(X11 toolkit version)
2239   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2240   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2241 [#if XtSpecificationRelease < 6
2242 fail;
2243 #endif
2244 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2245   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2246   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2247     AC_MSG_RESULT(6 or newer)
2248     AC_DEFINE(HAVE_X11XTR6, 1,
2249               [Define to 1 if you have the X11R6 or newer version of Xt.])
2250   else
2251     AC_MSG_RESULT(before 6)
2252   fi
2253
2254 dnl If using toolkit, check whether libXmu.a exists.
2255 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2256   OLDLIBS="$LIBS"
2257   if test x$HAVE_X11XTR6 = xyes; then
2258     LIBS="-lXt -lSM -lICE $LIBS"
2259   else
2260     LIBS="-lXt $LIBS"
2261   fi
2262   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2263   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2264 fi
2265
2266 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2267 if test "${HAVE_X11}" = "yes"; then
2268   if test "${USE_X_TOOLKIT}" != "none"; then
2269     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2270   fi
2271 fi
2272
2273 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2274   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2275   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2276     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2277 int x = 5;
2278 #else
2279 Motif version prior to 2.1.
2280 #endif],
2281     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2282   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
2283   if test $emacs_cv_motif_version_2_1 = yes; then
2284     HAVE_LIBXP=no
2285     AC_DEFINE(HAVE_MOTIF_2_1, 1,
2286               [Define to 1 if you have Motif 2.1 or newer.])
2287     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
2288     if test ${HAVE_LIBXP} = yes; then
2289       AC_DEFINE(HAVE_LIBXP, 1,
2290                 [Define to 1 if you have the Xp library (-lXp).])
2291     fi
2292   else
2293     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2294     # We put this in CFLAGS temporarily to precede other -I options
2295     # that might be in CFLAGS temporarily.
2296     # We put this in CPPFLAGS where it precedes the other -I options.
2297     OLD_CPPFLAGS=$CPPFLAGS
2298     OLD_CFLAGS=$CFLAGS
2299     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2300     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2301     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2302       [int x = 5;],
2303       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2304     if test $emacs_cv_lesstif = yes; then
2305       # Make sure this -I option remains in CPPFLAGS after it is set
2306       # back to REAL_CPPFLAGS.
2307       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2308       # have those other -I options anyway.  Ultimately, having this
2309       # directory ultimately in CPPFLAGS will be enough.
2310       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2311       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2312     else
2313       CFLAGS=$OLD_CFLAGS
2314       CPPFLAGS=$OLD_CPPFLAGS
2315     fi
2316   fi
2317 fi
2318
2319 ### Is -lXaw3d available?
2320 HAVE_XAW3D=no
2321 if test "${HAVE_X11}" = "yes"; then
2322   if test "${USE_X_TOOLKIT}" != "none" && test "${with_toolkit_scroll_bars}" != "no"; then
2323     dnl Fixme: determine what Scrollbar.h needs to avoid compilation
2324     dnl errors from the test without the `-'.
2325     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
2326         [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes)], , -)
2327     if test "${HAVE_XAW3D}" = "yes"; then
2328         AC_DEFINE(HAVE_XAW3D, 1,
2329                   [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2330     fi
2331   fi
2332 fi
2333
2334 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2335 dnl using Motif or Xaw3d is available, and unless
2336 dnl --with-toolkit-scroll-bars=no was specified.
2337
2338 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2339             [Define to 1 if we should use toolkit scroll bars.])dnl
2340 USE_TOOLKIT_SCROLL_BARS=no
2341 if test "${with_toolkit_scroll_bars}" != "no"; then
2342   if test "${USE_X_TOOLKIT}" != "none"; then
2343     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2344       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2345       HAVE_XAW3D=no
2346       USE_TOOLKIT_SCROLL_BARS=yes
2347     elif test "${HAVE_XAW3D}" = "yes"; then
2348       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2349       USE_TOOLKIT_SCROLL_BARS=yes
2350     fi
2351   elif test "${HAVE_GTK}" = "yes"; then
2352     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2353     USE_TOOLKIT_SCROLL_BARS=yes
2354   elif test "${HAVE_CARBON}" = "yes"; then
2355     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2356     USE_TOOLKIT_SCROLL_BARS=yes
2357   fi
2358 fi
2359
2360 dnl See if XIM is available.
2361 AC_TRY_COMPILE([
2362           #include <X11/Xlib.h>
2363           #include <X11/Xresource.h>],
2364          [XIMProc  callback;],
2365          HAVE_XIM=yes
2366          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available]),
2367          HAVE_XIM=no)
2368
2369 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2370
2371 if test "${with_xim}" != "no"; then
2372   AC_DEFINE(USE_XIM, 1,
2373             [Define to 1 if we should use XIM, if it is available.])
2374 fi
2375
2376
2377 if test "${HAVE_XIM}" != "no"; then
2378   late_CFLAGS=$CFLAGS
2379   if test "$GCC" = yes; then
2380     CFLAGS="$CFLAGS --pedantic-errors"
2381   fi
2382   AC_TRY_COMPILE([
2383 #include <X11/Xlib.h>
2384 #include <X11/Xresource.h>],
2385 [Display *display;
2386 XrmDatabase db;
2387 char *res_name;
2388 char *res_class;
2389 XIMProc  callback;
2390 XPointer *client_data;
2391 #ifndef __GNUC__
2392 /* If we're not using GCC, it's probably not XFree86, and this is
2393    probably right, but we can't use something like --pedantic-errors.  */
2394 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2395                                            char*, XIMProc, XPointer*);
2396 #endif
2397 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2398    client_data);],
2399     [emacs_cv_arg6_star=yes])
2400   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2401          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2402 either XPointer or XPointer*.])dnl
2403   if test "$emacs_cv_arg6_star" = yes; then
2404     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2405   else
2406     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2407   fi
2408   CFLAGS=$late_CFLAGS
2409 fi
2410
2411 ### Use -lXpm if available, unless `--with-xpm=no'.
2412 HAVE_XPM=no
2413 if test "${HAVE_X11}" = "yes"; then
2414   if test "${with_xpm}" != "no"; then
2415     AC_CHECK_HEADER(X11/xpm.h,
2416       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
2417     if test "${HAVE_XPM}" = "yes"; then
2418       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2419       AC_EGREP_CPP(no_return_alloc_pixels,
2420       [#include "X11/xpm.h"
2421 #ifndef XpmReturnAllocPixels
2422 no_return_alloc_pixels
2423 #endif
2424       ], HAVE_XPM=no, HAVE_XPM=yes)
2425
2426       if test "${HAVE_XPM}" = "yes"; then
2427         AC_MSG_RESULT(yes)
2428       else
2429         AC_MSG_RESULT(no)
2430       fi
2431     fi
2432   fi
2433
2434   if test "${HAVE_XPM}" = "yes"; then
2435     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2436   fi
2437 fi
2438
2439 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2440 HAVE_JPEG=no
2441 if test "${HAVE_X11}" = "yes"; then
2442   if test "${with_jpeg}" != "no"; then
2443     dnl Checking for jpeglib.h can lose because of a redefinition of
2444     dnl  HAVE_STDLIB_H.
2445     AC_CHECK_HEADER(jerror.h,
2446       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
2447   fi
2448
2449   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2450   if test "${HAVE_JPEG}" = "yes"; then
2451     AC_DEFINE(HAVE_JPEG)
2452     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2453         [#include <jpeglib.h>
2454          version=JPEG_LIB_VERSION
2455 ],
2456         AC_DEFINE(HAVE_JPEG),
2457         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2458         HAVE_JPEG=no])
2459   fi
2460 fi
2461
2462 ### Use -lpng if available, unless `--with-png=no'.
2463 HAVE_PNG=no
2464 if test "${HAVE_X11}" = "yes"; then
2465   if test "${with_png}" != "no"; then
2466     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2467     # in /usr/include/libpng.
2468     AC_CHECK_HEADERS(png.h libpng/png.h)
2469     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2470       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2471     fi
2472   fi
2473
2474   if test "${HAVE_PNG}" = "yes"; then
2475     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2476   fi
2477 fi
2478
2479 ### Use -ltiff if available, unless `--with-tiff=no'.
2480 HAVE_TIFF=no
2481 if test "${HAVE_X11}" = "yes"; then
2482   if test "${with_tiff}" != "no"; then
2483     AC_CHECK_HEADER(tiffio.h,
2484       tifflibs="-lz -lm"
2485       # At least one tiff package requires the jpeg library.
2486       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2487       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
2488   fi
2489
2490   if test "${HAVE_TIFF}" = "yes"; then
2491     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2492   fi
2493 fi
2494
2495 ### Use -lgif if available, unless `--with-gif=no'.
2496 HAVE_GIF=no
2497 if test "${HAVE_X11}" = "yes"; then
2498   if test "${with_gif}" != "no"; then
2499     AC_CHECK_HEADER(gif_lib.h,
2500 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2501 # Earlier versions can crash Emacs.
2502       AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
2503   fi
2504
2505   if test "${HAVE_GIF}" = "yes"; then
2506     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have the ungif library (-lungif).])
2507   fi
2508 fi
2509
2510 dnl Check for malloc/malloc.h on darwin
2511 AC_CHECK_HEADER(malloc/malloc.h, AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.]))
2512
2513 ### Use Mac OS X Carbon API to implement GUI.
2514 if test "${HAVE_CARBON}" = "yes"; then
2515   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2516   ## Specify the install directory
2517   carbon_appdir=
2518   if test "${carbon_appdir_x}" != ""; then
2519     case ${carbon_appdir_x} in
2520       y | ye | yes)  carbon_appdir=/Applications ;;
2521       * ) carbon_appdir=${carbon_appdir_x} ;;
2522     esac
2523   fi
2524   # We also have mouse menus.
2525   HAVE_MENUS=yes
2526 fi
2527
2528 ### Use session management (-lSM -lICE) if available
2529 HAVE_X_SM=no
2530 if test "${HAVE_X11}" = "yes"; then
2531   AC_CHECK_HEADER(X11/SM/SMlib.h,
2532     AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE))
2533
2534   if test "${HAVE_X_SM}" = "yes"; then
2535     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2536     case "$LIBS" in
2537       *-lSM*) ;;
2538       *)      LIBS="-lSM -lICE $LIBS" ;;
2539     esac
2540   fi
2541 fi
2542
2543 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2544 AC_CACHE_CHECK(whether netdb declares h_errno,
2545                emacs_cv_netdb_declares_h_errno,
2546 [AC_TRY_LINK([#include <netdb.h>],
2547   [return h_errno;],
2548   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2549 if test $emacs_cv_netdb_declares_h_errno = yes; then
2550   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2551 fi
2552
2553 AC_FUNC_ALLOCA
2554
2555 # fmod, logb, and frexp are found in -lm on most systems.
2556 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2557 AC_CHECK_LIB(m, sqrt)
2558
2559 # Check for mail-locking functions in a "mail" library.  Probably this should
2560 # have the same check as for liblockfile below.
2561 AC_CHECK_LIB(mail, maillock)
2562 dnl Debian, at least:
2563 AC_CHECK_LIB(lockfile, maillock)
2564 # If we have the shared liblockfile, assume we must use it for mail
2565 # locking (e.g. Debian).  If we couldn't link against liblockfile
2566 # (no liblockfile.a installed), ensure that we don't need to.
2567 if test "$ac_cv_lib_lockfile_maillock" = no; then
2568   dnl This works for files generally, not just executables.
2569   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2570   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2571                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2572   if test $ac_cv_prog_liblockfile = yes; then
2573     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2574 This probably means that movemail could lose mail.
2575 There may be a `development' package to install containing liblockfile.])
2576   else :
2577   fi
2578 fi
2579 AC_CHECK_FUNCS(touchlock)
2580 AC_CHECK_HEADERS(maillock.h)
2581
2582 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2583 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2584 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
2585 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2586 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2587 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2588 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2589 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2590 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2591
2592 AC_CHECK_HEADERS(sys/un.h)
2593
2594 AC_FUNC_MKTIME
2595 if test "$ac_cv_func_working_mktime" = no; then
2596   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2597 fi
2598
2599 AC_FUNC_GETLOADAVG
2600
2601 AC_FUNC_FSEEKO
2602
2603 # Configure getopt.
2604 m4_include([m4/getopt.m4])
2605 gl_GETOPT_IFELSE([
2606   gl_GETOPT_SUBSTITUTE_HEADER
2607   gl_PREREQ_GETOPT
2608   GETOPTOBJS='getopt.o getopt1.o'
2609 ])
2610 AC_SUBST(GETOPTOBJS)
2611
2612 AC_FUNC_GETPGRP
2613
2614 AC_FUNC_STRFTIME
2615
2616 # UNIX98 PTYs.
2617 AC_CHECK_FUNCS(grantpt)
2618
2619 # PTY-related GNU extensions.
2620 AC_CHECK_FUNCS(getpt)
2621
2622 # Check this now, so that we will NOT find the above functions in ncurses.
2623 # That is because we have not set up to link ncurses in lib-src.
2624 # It's better to believe a function is not available
2625 # than to expect to find it in ncurses.
2626 AC_CHECK_LIB(ncurses, tparm)
2627
2628 # Do we need the Hesiod library to provide the support routines?
2629 if test "$with_hesiod" = yes ; then
2630   # Don't set $LIBS here -- see comments above.
2631   resolv=no
2632   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2633      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2634                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2635   if test "$resolv" = yes ; then
2636     RESOLVLIB=-lresolv
2637     AC_DEFINE(HAVE_LIBRESOLV, 1,
2638               [Define to 1 if you have the resolv library (-lresolv).])
2639   else
2640     RESOLVLIB=
2641   fi
2642   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2643         AC_DEFINE(HAVE_LIBHESIOD, 1,
2644                   [Define to 1 if you have the hesiod library (-lhesiod).]),
2645         :, $RESOLVLIB)])
2646 fi
2647
2648 # These tell us which Kerberos-related libraries to use.
2649 if test "${with_kerberos+set}" = set; then
2650   AC_CHECK_LIB(com_err, com_err)
2651   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2652   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2653   AC_CHECK_LIB(krb5, krb5_init_context)
2654   if test "${with_kerberos5+set}" != set; then
2655     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2656                  AC_CHECK_LIB(des, des_cbc_encrypt))
2657     AC_CHECK_LIB(krb4, krb_get_cred,,
2658                  AC_CHECK_LIB(krb, krb_get_cred))
2659   fi
2660
2661   if test "${with_kerberos5+set}" = set; then
2662     AC_CHECK_HEADERS(krb5.h)
2663   else
2664     AC_CHECK_HEADERS(des.h,,
2665                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2666                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2667     AC_CHECK_HEADERS(krb.h,,
2668                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2669                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2670   fi
2671   AC_CHECK_HEADERS(com_err.h)
2672 fi
2673
2674 # Solaris requires -lintl if you want strerror (which calls dgettext)
2675 # to return localized messages.
2676 AC_CHECK_LIB(intl, dgettext)
2677
2678 AC_MSG_CHECKING(whether localtime caches TZ)
2679 AC_CACHE_VAL(emacs_cv_localtime_cache,
2680 [if test x$ac_cv_func_tzset = xyes; then
2681 AC_TRY_RUN([#include <time.h>
2682 extern char **environ;
2683 unset_TZ ()
2684 {
2685   char **from, **to;
2686   for (to = from = environ; (*to = *from); from++)
2687     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2688       to++;
2689 }
2690 char TZ_GMT0[] = "TZ=GMT0";
2691 char TZ_PST8[] = "TZ=PST8";
2692 main()
2693 {
2694   time_t now = time ((time_t *) 0);
2695   int hour_GMT0, hour_unset;
2696   if (putenv (TZ_GMT0) != 0)
2697     exit (1);
2698   hour_GMT0 = localtime (&now)->tm_hour;
2699   unset_TZ ();
2700   hour_unset = localtime (&now)->tm_hour;
2701   if (putenv (TZ_PST8) != 0)
2702     exit (1);
2703   if (localtime (&now)->tm_hour == hour_GMT0)
2704     exit (1);
2705   unset_TZ ();
2706   if (localtime (&now)->tm_hour != hour_unset)
2707     exit (1);
2708   exit (0);
2709 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2710 [# If we have tzset, assume the worst when cross-compiling.
2711 emacs_cv_localtime_cache=yes])
2712 else
2713         # If we lack tzset, report that localtime does not cache TZ,
2714         # since we can't invalidate the cache if we don't have tzset.
2715         emacs_cv_localtime_cache=no
2716 fi])dnl
2717 AC_MSG_RESULT($emacs_cv_localtime_cache)
2718 if test $emacs_cv_localtime_cache = yes; then
2719   AC_DEFINE(LOCALTIME_CACHE, 1,
2720             [Define to 1 if localtime caches TZ.])
2721 fi
2722
2723 if test "x$HAVE_TIMEVAL" = xyes; then
2724   AC_CHECK_FUNCS(gettimeofday)
2725   if test $ac_cv_func_gettimeofday = yes; then
2726     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2727                    emacs_cv_gettimeofday_two_arguments,
2728     [AC_TRY_COMPILE([
2729 #ifdef TIME_WITH_SYS_TIME
2730 #include <sys/time.h>
2731 #include <time.h>
2732 #else
2733 #ifdef HAVE_SYS_TIME_H
2734 #include <sys/time.h>
2735 #else
2736 #include <time.h>
2737 #endif
2738 #endif],
2739       [struct timeval time;
2740        gettimeofday (&time, 0);],
2741       emacs_cv_gettimeofday_two_arguments=yes,
2742       emacs_cv_gettimeofday_two_arguments=no)])
2743     if test $emacs_cv_gettimeofday_two_arguments = no; then
2744       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2745                 [Define to 1 if gettimeofday accepts only one argument.])
2746     fi
2747   fi
2748 fi
2749
2750 ok_so_far=yes
2751 AC_CHECK_FUNC(socket, , ok_so_far=no)
2752 if test $ok_so_far = yes; then
2753   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2754 fi
2755 if test $ok_so_far = yes; then
2756   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2757 fi
2758 if test $ok_so_far = yes; then
2759 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2760   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2761             [Define to 1 if you have inet sockets.])
2762 fi
2763
2764 AC_CHECK_HEADERS(sys/ioctl.h)
2765
2766 if test -f /usr/lpp/X11/bin/smt.exp; then
2767   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2768             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2769 fi
2770
2771 AC_MSG_CHECKING(whether system supports dynamic ptys)
2772 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2773   AC_MSG_RESULT(yes)
2774   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2775 else
2776   AC_MSG_RESULT(no)
2777 fi
2778
2779 AC_FUNC_FORK
2780
2781 dnl Adapted from Haible's version.
2782 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2783   [AC_TRY_LINK([#include <langinfo.h>],
2784     [char* cs = nl_langinfo(CODESET);],
2785     emacs_cv_langinfo_codeset=yes,
2786     emacs_cv_langinfo_codeset=no)
2787   ])
2788 if test $emacs_cv_langinfo_codeset = yes; then
2789   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2790     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2791 fi
2792
2793 AC_CHECK_TYPES(size_t)
2794
2795 AC_TYPE_MBSTATE_T
2796
2797 dnl Restrict could probably be used effectively other than in regex.c.
2798 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2799   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2800                   emacs_cv_c_restrict=yes,
2801                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2802                                   emacs_cv_c_restrict=__restrict,
2803                                   emacs_cv_c_restrict=no)])])
2804 case "$emacs_cv_c_restrict" in
2805   yes) emacs_restrict=restrict;;
2806   no) emacs_restrict="";;
2807   *) emacs_restrict="$emacs_cv_c_restrict";;
2808 esac
2809 if test "$emacs_restrict" != __restrict; then
2810   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2811     [Define to compiler's equivalent of C99 restrict keyword.
2812      Don't define if equivalent is `__restrict'.])
2813 fi
2814
2815 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2816   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2817                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2818 if test "$emacs_cv_c_restrict_arr" = yes; then
2819   AC_DEFINE(__restrict_arr, __restrict,
2820     [Define to compiler's equivalent of C99 restrict keyword in array
2821      declarations.  Define as empty for no equivalent.])
2822 fi
2823
2824 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2825 dnl how the tty code is related to POSIX and/or other versions of termios.
2826 dnl The following looks like a useful start.
2827 dnl
2828 dnl AC_SYS_POSIX_TERMIOS
2829 dnl if test $ac_cv_sys_posix_termios = yes; then
2830 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2831 dnl                                and macros for terminal control.])
2832 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2833 dnl fi
2834
2835 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2836
2837 # Set up the CFLAGS for real compilation, so we can substitute it.
2838 CFLAGS="$REAL_CFLAGS"
2839 CPPFLAGS="$REAL_CPPFLAGS"
2840
2841 #### Find out which version of Emacs this is.
2842 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2843          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2844 if test x"${version}" = x; then
2845   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2846 fi
2847
2848 ### Specify what sort of things we'll be editing into Makefile and config.h.
2849 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2850 AC_SUBST(version)
2851 AC_SUBST(configuration)
2852 AC_SUBST(canonical)
2853 AC_SUBST(srcdir)
2854 AC_SUBST(prefix)
2855 AC_SUBST(exec_prefix)
2856 AC_SUBST(bindir)
2857 AC_SUBST(datadir)
2858 AC_SUBST(sharedstatedir)
2859 AC_SUBST(libexecdir)
2860 AC_SUBST(mandir)
2861 AC_SUBST(infodir)
2862 AC_SUBST(lispdir)
2863 AC_SUBST(locallisppath)
2864 AC_SUBST(lisppath)
2865 AC_SUBST(x_default_search_path)
2866 AC_SUBST(etcdir)
2867 AC_SUBST(archlibdir)
2868 AC_SUBST(docdir)
2869 AC_SUBST(bitmapdir)
2870 AC_SUBST(gamedir)
2871 AC_SUBST(gameuser)
2872 AC_SUBST(c_switch_system)
2873 AC_SUBST(c_switch_machine)
2874 AC_SUBST(LD_SWITCH_X_SITE)
2875 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2876 AC_SUBST(C_SWITCH_X_SITE)
2877 AC_SUBST(CFLAGS)
2878 AC_SUBST(X_TOOLKIT_TYPE)
2879 AC_SUBST(machfile)
2880 AC_SUBST(opsysfile)
2881 AC_SUBST(GETLOADAVG_LIBS)
2882 AC_SUBST(carbon_appdir)
2883
2884 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2885                    [Define to the canonical Emacs configuration name.])
2886 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2887                    [Define to the options passed to configure.])
2888 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2889                    [Define to the used machine dependent file.])
2890 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2891                    [Define to the used os dependent file.])
2892 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2893 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2894  may need to deal with X Windows.  For instance, if you've defined
2895  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2896  your loader can find on its own, you might want to add "-L/..." or
2897  something similar.])
2898 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2899                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2900                     in case it's needed (for Solaris, for example).])
2901 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2902 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2903  may need to deal with X Windows.  For instance, if you've defined
2904  HAVE_X_WINDOWS above and your X include files aren't in a place
2905  that your compiler can find on its own, you might want to add
2906  "-I/..." or something similar.])
2907 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2908                    [Define to the unexec source file name.])
2909
2910 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2911   AC_DEFINE(HAVE_X_WINDOWS, 1,
2912             [Define to 1 if you want to use the X window system.])
2913 fi
2914 if test "${USE_X_TOOLKIT}" != "none" ; then
2915   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2916 fi
2917 if test "${HAVE_X11}" = "yes" ; then
2918   AC_DEFINE(HAVE_X11, 1,
2919             [Define to 1 if you want to use version 11 of X windows.
2920              Otherwise, Emacs expects to use version 10.])
2921 fi
2922 if test "${HAVE_XFREE386}" = "yes" ; then
2923   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2924 fi
2925 if test "${HAVE_MENUS}" = "yes" ; then
2926   AC_DEFINE(HAVE_MENUS, 1,
2927             [Define to 1 if you have mouse menus.
2928              (This is automatic if you use X, but the option to specify it remains.)
2929              It is also defined with other window systems that support xmenu.c.])
2930 fi
2931 if test "${GNU_MALLOC}" = "yes" ; then
2932   AC_DEFINE(GNU_MALLOC, 1,
2933             [Define to 1 if you want to use the GNU memory allocator.])
2934 fi
2935 if test "${REL_ALLOC}" = "yes" ; then
2936   AC_DEFINE(REL_ALLOC, 1,
2937             [Define REL_ALLOC if you want to use the relocating allocator for
2938              buffer space.])
2939 fi
2940
2941 AH_TOP([/* GNU Emacs site configuration template file.
2942    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
2943              Free Software Foundation, Inc.
2944
2945 This file is part of GNU Emacs.
2946
2947 GNU Emacs is free software; you can redistribute it and/or modify
2948 it under the terms of the GNU General Public License as published by
2949 the Free Software Foundation; either version 2, or (at your option)
2950 any later version.
2951
2952 GNU Emacs is distributed in the hope that it will be useful,
2953 but WITHOUT ANY WARRANTY; without even the implied warranty of
2954 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2955 GNU General Public License for more details.
2956
2957 You should have received a copy of the GNU General Public License
2958 along with GNU Emacs; see the file COPYING.  If not, write to the
2959 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
2960 Boston, MA 02110-1301, USA.  */
2961
2962
2963 /* No code in Emacs #includes config.h twice, but some bits of code
2964    intended to work with other packages as well (like gmalloc.c)
2965    think they can include it as many times as they like.  */
2966 #ifndef EMACS_CONFIG_H
2967 #define EMACS_CONFIG_H
2968 ])dnl
2969
2970 AH_BOTTOM([
2971 /* If we're using any sort of window system, define some consequences.  */
2972 #ifdef HAVE_X_WINDOWS
2973 #define HAVE_WINDOW_SYSTEM
2974 #define MULTI_KBOARD
2975 #define HAVE_MOUSE
2976 #endif
2977
2978 /* If we're using the Carbon API on Mac OS X, define a few more
2979    variables as well.  */
2980 #ifdef HAVE_CARBON
2981 #define HAVE_WINDOW_SYSTEM
2982 #define HAVE_MOUSE
2983 #endif
2984
2985 /* Define USER_FULL_NAME to return a string
2986    that is the user's full name.
2987    It can assume that the variable `pw'
2988    points to the password file entry for this user.
2989
2990    At some sites, the pw_gecos field contains
2991    the user's full name.  If neither this nor any other
2992    field contains the right thing, use pw_name,
2993    giving the user's login name, since that is better than nothing.  */
2994 #define USER_FULL_NAME pw->pw_gecos
2995
2996 /* Define AMPERSAND_FULL_NAME if you use the convention
2997    that & in the full name stands for the login id.  */
2998 /* Turned on June 1996 supposing nobody will mind it.  */
2999 #define AMPERSAND_FULL_NAME
3000
3001 /* We have blockinput.h.  */
3002 #define DO_BLOCK_INPUT
3003
3004 /* Define HAVE_SOUND if we have sound support.  We know it works
3005    and compiles only on the specified platforms.   For others,
3006    it probably doesn't make sense to try.  */
3007
3008 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
3009 #ifdef HAVE_MACHINE_SOUNDCARD_H
3010 #define HAVE_SOUND 1
3011 #endif
3012 #ifdef HAVE_SYS_SOUNDCARD_H
3013 #define HAVE_SOUND 1
3014 #endif
3015 #ifdef HAVE_SOUNDCARD_H
3016 #define HAVE_SOUND 1
3017 #endif
3018 #ifdef HAVE_ALSA
3019 #define HAVE_SOUND 1
3020 #endif
3021 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
3022
3023 /* If using GNU, then support inline function declarations. */
3024 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3025    generally, because even if non-gcc compilers accept `inline', they
3026    may reject `extern inline'.  */
3027 #if defined (__GNUC__) && defined (OPTIMIZE)
3028 #define INLINE __inline__
3029 #else
3030 #define INLINE
3031 #endif
3032
3033 /* Include the os and machine dependent files.  */
3034 #include config_opsysfile
3035 #include config_machfile
3036
3037 /* Load in the conversion definitions if this system
3038    needs them and the source file being compiled has not
3039    said to inhibit this.  There should be no need for you
3040    to alter these lines.  */
3041
3042 #ifdef SHORTNAMES
3043 #ifndef NO_SHORTNAMES
3044 #include "../shortnames/remap.h"
3045 #endif /* not NO_SHORTNAMES */
3046 #endif /* SHORTNAMES */
3047
3048 /* If no remapping takes place, static variables cannot be dumped as
3049    pure, so don't worry about the `static' keyword. */
3050 #ifdef NO_REMAP
3051 #undef static
3052 #endif
3053
3054 /* Define `subprocesses' should be defined if you want to
3055    have code for asynchronous subprocesses
3056    (as used in M-x compile and M-x shell).
3057    These do not work for some USG systems yet;
3058    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
3059
3060 #ifndef VMS
3061 #ifndef USG
3062 /* #define subprocesses */
3063 #endif
3064 #endif
3065
3066 /* SIGTYPE is the macro we actually use.  */
3067 #ifndef SIGTYPE
3068 #define SIGTYPE RETSIGTYPE
3069 #endif
3070
3071 #ifdef emacs /* Don't do this for lib-src.  */
3072 /* Tell regex.c to use a type compatible with Emacs.  */
3073 #define RE_TRANSLATE_TYPE Lisp_Object
3074 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3075 #ifdef make_number
3076 /* If make_number is a macro, use it.  */
3077 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3078 #else
3079 /* If make_number is a function, avoid it.  */
3080 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3081 #endif
3082 #endif
3083
3084 /* Avoid link-time collision with system mktime if we will use our own.  */
3085 #if ! HAVE_MKTIME || BROKEN_MKTIME
3086 #define mktime emacs_mktime
3087 #endif
3088
3089 #define my_strftime nstrftime   /* for strftime.c */
3090
3091 /* The rest of the code currently tests the CPP symbol BSTRING.
3092    Override any claims made by the system-description files.
3093    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
3094 #undef BSTRING
3095 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
3096 #define BSTRING
3097 #endif
3098
3099 /* Some of the files of Emacs which are intended for use with other
3100    programs assume that if you have a config.h file, you must declare
3101    the type of getenv.
3102
3103    This declaration shouldn't appear when alloca.s or Makefile.in
3104    includes config.h.  */
3105 #ifndef NOT_C_CODE
3106 extern char *getenv ();
3107 #endif
3108
3109 /* These default definitions are good for almost all machines.
3110    The exceptions override them in m/MACHINE.h.  */
3111
3112 #ifndef BITS_PER_CHAR
3113 #define BITS_PER_CHAR 8
3114 #endif
3115
3116 #ifndef BITS_PER_SHORT
3117 #define BITS_PER_SHORT 16
3118 #endif
3119
3120 /* Note that lisp.h uses this in a preprocessor conditional, so it
3121    would not work to use sizeof.  That being so, we do all of them
3122    without sizeof, for uniformity's sake.  */
3123 #ifndef BITS_PER_INT
3124 #define BITS_PER_INT 32
3125 #endif
3126
3127 #ifndef BITS_PER_LONG
3128 #ifdef _LP64
3129 #define BITS_PER_LONG 64
3130 #else
3131 #define BITS_PER_LONG 32
3132 #endif
3133 #endif
3134
3135 /* Define if the compiler supports function prototypes.  It may do so
3136    but not define __STDC__ (e.g. DEC C by default) or may define it as
3137    zero.  */
3138 #undef PROTOTYPES
3139 /* For mktime.c:  */
3140 #ifndef __P
3141 # if defined PROTOTYPES
3142 #  define __P(args) args
3143 # else
3144 #  define __P(args) ()
3145 # endif  /* GCC.  */
3146 #endif /* __P */
3147
3148 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
3149 #ifndef NOT_C_CODE
3150 #ifdef HAVE_STRING_H
3151 #include "string.h"
3152 #endif
3153 #ifdef HAVE_STRINGS_H
3154 #include "strings.h"  /* May be needed for bcopy & al. */
3155 #endif
3156 #ifdef HAVE_STDLIB_H
3157 #include <stdlib.h>
3158 #endif
3159 #ifndef __GNUC__
3160 # ifdef HAVE_ALLOCA_H
3161 #  include <alloca.h>
3162 # else /* AIX files deal with #pragma.  */
3163 #  ifndef alloca /* predefined by HP cc +Olibcalls */
3164 char *alloca ();
3165 #  endif
3166 # endif /* HAVE_ALLOCA_H */
3167 #endif /* __GNUC__ */
3168 #ifndef HAVE_SIZE_T
3169 typedef unsigned size_t;
3170 #endif
3171 #endif /* NOT_C_CODE */
3172
3173 /* Define HAVE_X_I18N if we have usable i18n support.  */
3174
3175 #ifdef HAVE_X11R6
3176 #define HAVE_X_I18N
3177 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
3178 #define HAVE_X_I18N
3179 #endif
3180
3181 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
3182
3183 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3184 #define HAVE_X11R6_XIM
3185 #endif
3186
3187 /* Should we enable expensive run-time checking of data types?  */
3188 #undef ENABLE_CHECKING
3189
3190 #if defined __GNUC__ && (__GNUC__ > 2 \
3191                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3192 #define NO_RETURN       __attribute__ ((__noreturn__))
3193 #else
3194 #define NO_RETURN       /* nothing */
3195 #endif
3196
3197 /* These won't be used automatically yet.  We also need to know, at least,
3198    that the stack is continuous.  */
3199 #ifdef __GNUC__
3200 #  ifndef GC_SETJMP_WORKS
3201   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
3202      see NON_SAVING_SETJMP in the target descriptions.  */
3203   /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
3204      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
3205      Fixme: Deal with ns32k, SVR3.  */
3206 #    define GC_SETJMP_WORKS 1
3207 #  endif
3208 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3209 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3210 #  endif
3211 #endif
3212
3213 #ifndef HAVE_BCOPY
3214 #define bcopy(a,b,s) memcpy (b,a,s)
3215 #endif
3216 #ifndef HAVE_BZERO
3217 #define bzero(a,s) memset (a,0,s)
3218 #endif
3219 #ifndef HAVE_BCMP
3220 #define BCMP memcmp
3221 #endif
3222
3223 #endif /* EMACS_CONFIG_H */
3224
3225 /*
3226 Local Variables:
3227 mode: c
3228 End:
3229 */
3230 ])dnl
3231
3232 #### Report on what we decided to do.
3233 #### Report GTK as a toolkit, even if it doesn't use Xt.
3234 #### It makes printing result more understandable as using GTK sets
3235 #### toolkit_scroll_bars to yes by default.
3236 if test "${HAVE_GTK}" = "yes"; then
3237   USE_X_TOOLKIT=GTK
3238 fi
3239
3240 echo "
3241 Configured for \`${canonical}'.
3242
3243   Where should the build process find the source code?    ${srcdir}
3244   What operating system and machine description files should Emacs use?
3245         \`${opsysfile}' and \`${machfile}'
3246   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3247   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3248   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3249   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3250   What window system should Emacs use?                    ${window_system}
3251   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3252
3253 if test -n "${x_includes}"; then
3254 echo "  Where do we find X Windows header files?                ${x_includes}"
3255 else
3256 echo "  Where do we find X Windows header files?                Standard dirs"
3257 fi
3258 if test -n "${x_libraries}"; then
3259 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3260 else
3261 echo "  Where do we find X Windows libraries?                   Standard dirs"
3262 fi
3263
3264 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3265 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3266 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3267 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3268 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
3269 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3270 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3271 echo
3272
3273 if test $USE_XASSERTS = yes; then
3274    echo "  Compiling with asserts turned on."
3275    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3276    echo
3277 fi
3278
3279 if test "$USE_X_TOOLKIT" = GTK; then
3280   case "$canonical" in
3281   *cygwin*)
3282     echo "There are known problems with Emacs and Gtk+ on cygwin, so you
3283   will probably get a crash on startup.  If this happens, please use another
3284   toolkit for Emacs.  See etc/PROBLEMS for more information."
3285   ;;
3286   esac
3287 fi
3288
3289
3290
3291 # Remove any trailing slashes in these variables.
3292 [test "${prefix}" != NONE &&
3293   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3294 test "${exec_prefix}" != NONE &&
3295   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3296
3297 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3298 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3299 ## from Makefile.c can correctly provide the arg `-traditional' to the
3300 ## C preprocessor.
3301
3302 AC_EGREP_CPP(yes..yes,
3303         [yes..yes],
3304         CPP_NEED_TRADITIONAL=no,
3305         CPP_NEED_TRADITIONAL=yes)
3306
3307 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3308         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
3309         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
3310
3311 ### Make the necessary directories, if they don't exist.
3312 for dir in etc lisp ; do
3313   test -d ${dir} || mkdir ${dir}
3314 done
3315
3316 # Build src/Makefile from ${srcdir}/src/Makefile.c
3317 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3318 # This must be done after src/config.h is built, since we rely on that file.
3319
3320 # Now get this: Some word that is part of the ${srcdir} directory name
3321 # or the ${configuration} value might, just might, happen to be an
3322 # identifier like `sun4' or `i386' or something, and be predefined by
3323 # the C preprocessor to some helpful value like 1, or maybe the empty
3324 # string.  Needless to say consequent macro substitutions are less
3325 # than conducive to the makefile finding the correct directory.
3326 [undefs="`echo $top_srcdir $configuration $canonical |
3327 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3328     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3329 `"]
3330
3331 echo creating src/epaths.h
3332 ${MAKE-make} epaths-force
3333
3334 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3335 # `..' to `. .'  unless invoked with -traditional
3336
3337 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3338   CPPFLAGS="$CPPFLAGS -traditional"
3339 fi
3340
3341 echo creating lib-src/Makefile
3342 ( cd lib-src
3343   rm -f junk.c junk1.c junk2.c
3344   sed -e '/start of cpp stuff/q' \
3345       < Makefile.c > junk1.c
3346   sed -e '1,/start of cpp stuff/d'\
3347       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3348       < Makefile.c > junk.c
3349   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3350       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3351   cat junk1.c junk2.c > Makefile.new
3352   rm -f junk.c junk1.c junk2.c
3353   chmod 444 Makefile.new
3354   mv -f Makefile.new Makefile
3355 )
3356
3357 echo creating src/Makefile
3358 ( cd src
3359   rm -f junk.c junk1.c junk2.c
3360   sed -e '/start of cpp stuff/q' \
3361       < Makefile.c > junk1.c
3362   sed -e '1,/start of cpp stuff/d'\
3363       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3364       < Makefile.c > junk.c
3365   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3366       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3367   cat junk1.c junk2.c > Makefile.new
3368   rm -f junk.c junk1.c junk2.c
3369   chmod 444 Makefile.new
3370   mv -f Makefile.new Makefile
3371 )
3372
3373 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3374   echo creating src/.gdbinit
3375   echo source $srcdir/src/.gdbinit > src/.gdbinit
3376 fi
3377
3378 # This is how we know whether to re-run configure in certain cases.
3379 touch src/config.stamp
3380
3381 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3382
3383 m4_if(dnl       Do not change this comment
3384    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3385 )dnl