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=$val
 105 ])
 106 AC_ARG_WITH(xpm,
 107 [  --with-xpm              use -lXpm for displaying XPM images])
 108 AC_ARG_WITH(jpeg,
 109 [  --with-jpeg             use -ljpeg for displaying JPEG images])
 110 AC_ARG_WITH(tiff,
 111 [  --with-tiff             use -ltiff for displaying TIFF images])
 112 AC_ARG_WITH(gif,
 113 [  --with-gif              use -lungif for displaying GIF images])
 114 AC_ARG_WITH(png,
 115 [  --with-png              use -lpng for displaying PNG images])
 116 AC_ARG_WITH(gpm,
 117 [  --with-gpm              use -lgpm for mouse support on a GNU/Linux console])
 118 AC_ARG_WITH(gtk,
 119 [  --with-gtk              use GTK (same as --with-x-toolkit=gtk)])
 120 AC_ARG_WITH(pkg-config-prog,
 121 [  --with-pkg-config-prog  Path to pkg-config to use for finding GTK])
 122 AC_ARG_WITH(toolkit-scroll-bars,
 123 [  --without-toolkit-scroll-bars
 124                           don't use Motif or Xaw3d scroll bars])
 125 AC_ARG_WITH(xim,
 126 [  --without-xim           don't use X11 XIM])
 127 AC_ARG_WITH(carbon,
 128 [  --without-carbon        don't use Carbon GUI on Mac OS X])
 129 AC_ARG_ENABLE(carbon-app,
 130 [[  --enable-carbon-app[=DIR]  [DIR=/Application]
 131                           specify install directory for Emacs.app on Mac OS X]],
 132 [ carbon_appdir_x=${enableval}])
 133
 134 AC_ARG_ENABLE(asserts,
 135 [  --enable-asserts        compile code with asserts enabled],
 136       USE_XASSERTS=$enableval,
 137       USE_XASSERTS=no)
 138
 139 AC_ARG_ENABLE(maintainer-mode,
 140 [  --enable-maintainer-mode enable make rules and dependencies not useful
 141                           (and sometimes confusing) to the casual installer],
 142       USE_MAINTAINER_MODE=$enableval,
 143       USE_MAINTAINER_MODE=no)
 144 if test $USE_MAINTAINER_MODE = yes; then
 145   MAINT=
 146 else
 147   MAINT=#
 148 fi
 149 AC_SUBST(MAINT)
 150
 151 AC_ARG_ENABLE(locallisppath,
 152 [  --enable-locallisppath=PATH
 153                           directories Emacs should search for lisp files
 154                           specific to this site],
 155 if test "${enableval}" = "no"; then
 156   locallisppath=
 157 elif test "${enableval}" != "yes"; then
 158   locallisppath=${enableval}
 159 fi)
 160
 161 #### Make srcdir absolute, if it isn't already.  It's important to
 162 #### avoid running the path through pwd unnecessarily, since pwd can
 163 #### give you automounter prefixes, which can go away.  We do all this
 164 #### so Emacs can find its files when run uninstalled.
 165 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 166 unset CDPATH
 167 case "${srcdir}" in
 168   /* ) ;;
 169   . )
 170     ## We may be able to use the $PWD environment variable to make this
 171     ## absolute.  But sometimes PWD is inaccurate.
 172     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 173     ## but that tested only for a well-formed and valid PWD,
 174     ## it did not object when PWD was well-formed and valid but just wrong.
 175     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 176     then
 177       srcdir="$PWD"
 178     else
 179       srcdir="`(cd ${srcdir}; pwd)`"
 180     fi
 181   ;;
 182   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 183 esac
 184
 185 #### Check if the source directory already has a configured system in it.
 186 if test `pwd` != `(cd ${srcdir} && pwd)` \
 187    && test -f "${srcdir}/src/config.h" ; then
 188   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 189    as a build directory right now; it has been configured in its own
 190    right.  To configure in another directory as well, you MUST
 191    use GNU make.  If you do not have GNU make, then you must
 192    now do `make distclean' in ${srcdir},
 193    and then run $0 again.]])
 194 fi
 195
 196 #### Given the configuration name, set machfile and opsysfile to the
 197 #### names of the m/*.h and s/*.h files we should use.
 198
 199 ### Canonicalize the configuration name.
 200
 201 AC_CANONICAL_HOST
 202 canonical=$host
 203 configuration=${host_alias-$host}
 204
 205 dnl This used to use changequote, but, apart from `changequote is evil'
 206 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 207 dnl the great gob of text.  Thus it's not processed for possible expansion.
 208 dnl Just make sure the brackets remain balanced.
 209 dnl
 210 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 211 dnl indicated by comments.
 212 dnl quotation begins
 213 [
 214
 215 ### If you add support for a new configuration, add code to this
 216 ### switch statement to recognize your configuration name and select
 217 ### the appropriate operating system and machine description files.
 218
 219 ### You would hope that you could choose an m/*.h file pretty much
 220 ### based on the machine portion of the configuration name, and an s-
 221 ### file based on the operating system portion.  However, it turns out
 222 ### that each m/*.h file is pretty manufacturer-specific - for
 223 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 224 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 225 ### machines.  So we basically have to have a special case for each
 226 ### configuration name.
 227 ###
 228 ### As far as handling version numbers on operating systems is
 229 ### concerned, make sure things will fail in a fixable way.  If
 230 ### /etc/MACHINES doesn't say anything about version numbers, be
 231 ### prepared to handle anything reasonably.  If version numbers
 232 ### matter, be sure /etc/MACHINES says something about it.
 233 ###
 234 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 235 ### "System V Release 4"; he writes, "The old convention encouraged
 236 ### confusion between `system' and `release' levels'."
 237
 238 machine='' opsys='' unported=no
 239 case "${canonical}" in
 240
 241   ## FreeBSD ports
 242   *-*-freebsd* )
 243     opsys=freebsd
 244     case "${canonical}" in
 245       alpha*-*-freebsd*)        machine=alpha ;;
 246       ia64-*-freebsd*)          machine=ia64 ;;
 247       sparc64-*-freebsd*)       machine=sparc ;;
 248       powerpc-*-freebsd*)       machine=macppc ;;
 249       i[3456]86-*-freebsd*)     machine=intel386 ;;
 250       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 251     esac
 252   ;;
 253
 254   ## NetBSD ports
 255   *-*-netbsd* )
 256     opsys=netbsd
 257     if test -f /usr/lib/crti.o; then]
 258 dnl The close and open brackets here are because this section is quoted --
 259 dnl see the `changequote' comment above.
 260       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 261 [   fi
 262
 263     case "${canonical}" in
 264       alpha*-*-netbsd*) machine=alpha ;;
 265       i[3456]86-*-netbsd*) machine=intel386 ;;
 266       m68k-*-netbsd*)
 267                         # This is somewhat bogus.
 268                         machine=hp9000s300 ;;
 269       mips-*-netbsd*)   machine=pmax ;;
 270       mipsel-*-netbsd*) machine=pmax ;;
 271       mipseb-*-netbsd*) machine=pmax ;;
 272       ns32k-*-netbsd*)  machine=ns32000 ;;
 273       powerpc-*-netbsd*) machine=macppc ;;
 274       sparc*-*-netbsd*) machine=sparc ;;
 275       vax-*-netbsd*)    machine=vax ;;
 276       arm-*-netbsd*)    machine=arm ;;
 277       x86_64-*-netbsd*) machine=amdx86-64 ;;
 278       hppa-*-netbsd*)   machine=hp800 ;;
 279       shle-*-netbsd*)   machine=sh3el ;;
 280     esac
 281   ;;
 282
 283   ## OpenBSD ports
 284   *-*-openbsd* )
 285     opsys=openbsd
 286     case "${canonical}" in
 287       alpha*-*-openbsd*)        machine=alpha ;;
 288       arm-*-openbsd*)          machine=arm ;;
 289       hppa-*-openbsd*)         machine=hp9000s300 ;;
 290       i386-*-openbsd*)         machine=intel386 ;;
 291       m68k-*-openbsd*)         machine=hp9000s300 ;;
 292       m88k-*-openbsd*)         machine=aviion ;;
 293       mips64-*-openbsd*)       machine=mips64 ;;
 294       powerpc-*-openbsd*)      machine=macppc ;;
 295       sh-*-openbsd*)           machine=sh3el ;;
 296       sparc*-*-openbsd*)       machine=sparc ;;
 297       vax-*-openbsd*)          machine=vax ;;
 298       x86_64-*-openbsd*)       machine=amdx86-64 ;;
 299     esac
 300   ;;
 301
 302   ## LynxOS ports
 303   *-*-lynxos* )
 304     opsys=lynxos
 305     case "${canonical}" in
 306       i[3456]86-*-lynxos*) machine=intel386 ;;
 307       powerpc-*-lynxos*) machine=powerpc ;;
 308     esac
 309   ;;
 310
 311   ## Acorn RISCiX:
 312   arm-acorn-riscix1.1* )
 313     machine=acorn opsys=riscix1-1
 314   ;;
 315   arm-acorn-riscix1.2* | arm-acorn-riscix )
 316     ## This name is riscix12 instead of riscix1.2
 317     ## to avoid a file name conflict on MSDOS.
 318     machine=acorn opsys=riscix12
 319   ;;
 320
 321   ## BSDI ports
 322   *-*-bsdi* )
 323     opsys=bsdi
 324     case "${canonical}" in
 325       i[345]86-*-bsdi*) machine=intel386 ;;
 326       sparc-*-bsdi*)  machine=sparc ;;
 327       powerpc-*-bsdi*)  machine=macppc ;;
 328     esac
 329     case "${canonical}" in
 330       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 331       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 332       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 333       *-*-bsdi3* )              opsys=bsdos3 ;;
 334       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 335     esac
 336   ;;
 337
 338   ## Alliant machines
 339   ## Strictly speaking, we need the version of the alliant operating
 340   ## system to choose the right machine file, but currently the
 341   ## configuration name doesn't tell us enough to choose the right
 342   ## one; we need to give alliants their own operating system name to
 343   ## do this right.  When someone cares, they can help us.
 344   fx80-alliant-* )
 345     machine=alliant4 opsys=bsd4-2
 346   ;;
 347   i860-alliant-* )
 348     machine=alliant-2800 opsys=bsd4-3
 349   ;;
 350
 351   ## Alpha (DEC) machines.
 352   alpha*-dec-osf* )
 353     machine=alpha opsys=osf1
 354     # This is needed to find X11R6.1 libraries for certain tests.
 355     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 356     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 357     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 358     # due to non-traditional preprocessing with the current compiler
 359     # defaults.  OSF 4 can also have that compiler version, and there
 360     # seems always to have been a usable /usr/bin/cpp.
 361     NON_GNU_CPP=/usr/bin/cpp
 362     case "${canonical}" in
 363     alpha*-dec-osf[5-9]*)
 364       opsys=osf5-0 ;;
 365     esac
 366   ;;
 367
 368   alpha*-*-linux-gnu* )
 369     machine=alpha opsys=gnu-linux
 370   ;;
 371
 372   arm*-*-linux-gnu* )
 373     machine=arm opsys=gnu-linux
 374   ;;
 375
 376   ## Altos 3068
 377   m68*-altos-sysv* )
 378     machine=altos opsys=usg5-2
 379   ;;
 380
 381   ## Amdahl UTS
 382   580-amdahl-sysv* )
 383     machine=amdahl opsys=usg5-2-2
 384   ;;
 385
 386   ## Apollo, Domain/OS
 387   m68*-apollo-* )
 388     machine=apollo opsys=bsd4-3
 389   ;;
 390
 391   ## Apple Darwin / Mac OS X
 392   *-apple-darwin* )
 393     case "${canonical}" in
 394       i[3456]86-* )  machine=intel386 ;;
 395       powerpc-* )    machine=powermac ;;
 396       * )            unported=yes ;;
 397     esac
 398     opsys=darwin
 399     # Define CPP as follows to make autoconf work correctly.
 400     CPP="${CC-cc} -E -no-cpp-precomp"
 401     # Use fink packages if available.
 402     if test -d /sw/include && test -d /sw/lib; then
 403       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 404       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 405       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 406     fi
 407   ;;
 408
 409   ## AT&T 3b2, 3b5, 3b15, 3b20
 410   we32k-att-sysv* )
 411     machine=att3b opsys=usg5-2-2
 412   ;;
 413
 414   ## AT&T 3b1 - The Mighty Unix PC!
 415   m68*-att-sysv* )
 416     machine=7300 opsys=usg5-2-2
 417   ;;
 418
 419   ## Bull dpx20
 420   rs6000-bull-bosx* )
 421     machine=ibmrs6000 opsys=aix3-2
 422   ;;
 423
 424   ## Bull dpx2
 425   m68*-bull-sysv3* )
 426     machine=dpx2 opsys=usg5-3
 427   ;;
 428
 429   ## Bull sps7
 430   m68*-bull-sysv2* )
 431     machine=sps7 opsys=usg5-2
 432   ;;
 433
 434   ## CCI 5/32, 6/32 -- see "Tahoe".
 435
 436   ## Celerity
 437   ## I don't know what configuration name to use for this; config.sub
 438   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 439   ## in touch with us!
 440   celerity-celerity-bsd* )
 441     machine=celerity opsys=bsd4-2
 442   ;;
 443
 444   ## Clipper
 445   ## What operating systems does this chip run that Emacs has been
 446   ## tested on?
 447   clipper-* )
 448     machine=clipper
 449     ## We'll use the catch-all code at the bottom to guess the
 450     ## operating system.
 451   ;;
 452
 453   ## Compaq Nonstop
 454   mips-compaq-nonstopux* )
 455     machine=nonstopux opsys=nonstopux
 456     ;;
 457
 458   ## Convex
 459   *-convex-bsd* | *-convex-convexos* )
 460     machine=convex opsys=bsd4-3
 461     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 462     NON_GNU_CPP="cc -E -P"
 463   ;;
 464
 465   ## Cubix QBx/386
 466   i[3456]86-cubix-sysv* )
 467     machine=intel386 opsys=usg5-3
 468   ;;
 469
 470   ## Cydra 5
 471   cydra*-cydrome-sysv* )
 472     machine=cydra5 opsys=usg5-3
 473   ;;
 474
 475   ## Data General AViiON Machines
 476   ## DG changed naming conventions with the release of 5.4.4.10, they
 477   ## dropped the initial 5.4 but left the intervening R.  Because of the
 478   ## R this shouldn't conflict with older versions of the OS (which I
 479   ## think were named like dgux4.*). In addition, DG new AViiONs series
 480   ## uses either Motorola M88k or Intel Pentium CPUs.
 481   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 482     machine=aviion opsys=dgux4
 483   ;;
 484   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 485     ## This name is dgux5-4-3 instead of dgux5-4r3
 486     ## to avoid a file name conflict on MSDOS.
 487     machine=aviion opsys=dgux5-4-3
 488   ;;
 489   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 490     machine=aviion opsys=dgux5-4r2
 491   ;;
 492   m88k-dg-dgux* )
 493     machine=aviion opsys=dgux
 494   ;;
 495
 496   ## Data General AViiON Intel (x86) Machines
 497   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 498   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 499   i[345]86-dg-dguxR4* )
 500     machine=aviion-intel opsys=dgux4
 501   ;;
 502
 503   ## DECstations
 504   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 505     machine=pmax opsys=bsd4-2
 506   ;;
 507   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 508     machine=pmax opsys=bsd4-3
 509   ;;
 510   mips-dec-ultrix* )
 511     machine=pmax opsys=ultrix4-3
 512   ;;
 513   mips-dec-osf* )
 514     machine=pmax opsys=osf1
 515   ;;
 516   mips-dec-mach_bsd4.3* )
 517     machine=pmax opsys=mach-bsd4-3
 518   ;;
 519
 520   ## Motorola Delta machines
 521   m68k-motorola-sysv* | m68000-motorola-sysv* )
 522     machine=delta opsys=usg5-3
 523     if test -z "`type gnucc | grep 'not found'`"
 524     then
 525       if test -s /etc/167config
 526       then CC="gnucc -m68040"
 527       else CC="gnucc -m68881"
 528       fi
 529     else
 530       if test -z "`type gcc | grep 'not found'`"
 531       then CC=gcc
 532       else CC=cc
 533       fi
 534     fi
 535   ;;
 536   m88k-motorola-sysv4* )
 537     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 538     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 539     # I hope there are not other 4.0 versions for this machine
 540     # which really need usg5-4 instead.
 541     machine=delta88k opsys=usg5-4-2
 542   ;;
 543   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 544     machine=delta88k opsys=usg5-3
 545   ;;
 546
 547   ## Dual machines
 548   m68*-dual-sysv* )
 549     machine=dual opsys=usg5-2
 550   ;;
 551   m68*-dual-uniplus* )
 552     machine=dual opsys=unipl5-2
 553   ;;
 554
 555   ## Elxsi 6400
 556   elxsi-elxsi-sysv* )
 557     machine=elxsi opsys=usg5-2
 558   ;;
 559
 560   ## Encore machines
 561   ns16k-encore-bsd* )
 562     machine=ns16000 opsys=umax
 563   ;;
 564
 565   ## The GEC 63 - apparently, this port isn't really finished yet.
 566   #  I'm sure we finished off the last of the machines, though.  -- fx
 567
 568   ## Gould Power Node and NP1
 569   pn-gould-bsd4.2* )
 570     machine=gould opsys=bsd4-2
 571   ;;
 572   pn-gould-bsd4.3* )
 573     machine=gould opsys=bsd4-3
 574   ;;
 575   np1-gould-bsd* )
 576     machine=gould-np1 opsys=bsd4-3
 577   ;;
 578
 579   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 580   ## as far as Emacs is concerned).
 581   m88k-harris-cxux* )
 582     # Build needs to be different on 7.0 and later releases
 583     case "`uname -r`" in
 584        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 585        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 586     esac
 587     NON_GNU_CPP="/lib/cpp"
 588   ;;
 589   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 590   m68k-harris-cxux* )
 591     machine=nh3000 opsys=cxux
 592   ;;
 593   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 594   powerpc-harris-powerunix )
 595     machine=nh6000 opsys=powerunix
 596     NON_GNU_CPP="cc -Xo -E -P"
 597   ;;
 598   ## SR2001/SR2201 running HI-UX/MPP
 599   hppa1.1-hitachi-hiuxmpp* )
 600     machine=sr2k opsys=hiuxmpp
 601   ;;
 602   hppa1.1-hitachi-hiuxwe2* )
 603     machine=sr2k opsys=hiuxwe2
 604   ;;
 605   ## Honeywell XPS100
 606   xps*-honeywell-sysv* )
 607     machine=xps100 opsys=usg5-2
 608   ;;
 609
 610   ## HP 9000 series 200 or 300
 611   m68*-hp-bsd* )
 612     machine=hp9000s300 opsys=bsd4-3
 613   ;;
 614   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 615   m68*-hp-hpux* )
 616     case "`uname -r`" in
 617       ## Someone's system reports A.B8.05 for this.
 618       ## I wonder what other possibilities there are.
 619       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 620       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 621       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 622       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 623       *) machine=hp9000s300 opsys=hpux ;;
 624     esac
 625   ;;
 626
 627   ## HP 9000 series 700 and 800, running HP/UX
 628   hppa*-hp-hpux7* )
 629     machine=hp800 opsys=hpux
 630   ;;
 631   hppa*-hp-hpux8* )
 632     machine=hp800 opsys=hpux8
 633   ;;
 634   hppa*-hp-hpux9shr* )
 635     machine=hp800 opsys=hpux9shr
 636   ;;
 637   hppa*-hp-hpux9* )
 638     machine=hp800 opsys=hpux9
 639   ;;
 640   hppa*-hp-hpux10.2* )
 641     machine=hp800 opsys=hpux10-20
 642   ;;
 643   hppa*-hp-hpux10* )
 644     machine=hp800 opsys=hpux10
 645   ;;
 646   hppa*-hp-hpux1[1-9]* )
 647     machine=hp800 opsys=hpux11
 648     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 649   ;;
 650
 651   hppa*-*-linux-gnu* )
 652     machine=hp800 opsys=gnu-linux
 653   ;;
 654
 655   ## HP 9000 series 700 and 800, running HP/UX
 656   hppa*-hp-hpux* )
 657     ## Cross-compilation?  Nah!
 658     case "`uname -r`" in
 659       ## Someone's system reports A.B8.05 for this.
 660       ## I wonder what other possibilities there are.
 661       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 662       *.08.* ) machine=hp800 opsys=hpux8 ;;
 663       *.09.* ) machine=hp800 opsys=hpux9 ;;
 664       *) machine=hp800 opsys=hpux10 ;;
 665     esac
 666   ;;
 667   hppa*-*-nextstep* )
 668     machine=hp800 opsys=nextstep
 669   ;;
 670
 671   ## Orion machines
 672   orion-orion-bsd* )
 673     machine=orion opsys=bsd4-2
 674   ;;
 675   clipper-orion-bsd* )
 676     machine=orion105 opsys=bsd4-2
 677   ;;
 678
 679   ## IBM machines
 680   i[3456]86-ibm-aix1.1* )
 681     machine=ibmps2-aix opsys=usg5-2-2
 682   ;;
 683   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 684     machine=ibmps2-aix opsys=usg5-3
 685   ;;
 686   i370-ibm-aix*)
 687     machine=ibm370aix opsys=usg5-3
 688   ;;
 689   s390-*-linux-gnu* )
 690     machine=ibms390 opsys=gnu-linux
 691   ;;
 692   s390x-*-linux-gnu* )
 693     machine=ibms390x opsys=gnu-linux
 694   ;;
 695   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 696     machine=ibmrs6000 opsys=aix3-1
 697   ;;
 698   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 699     machine=ibmrs6000 opsys=aix3-2-5
 700   ;;
 701   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 702     machine=ibmrs6000 opsys=aix4-1
 703   ;;
 704   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 705     machine=ibmrs6000 opsys=aix4-2
 706   ;;
 707   rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3*  )
 708     machine=ibmrs6000 opsys=aix4-2
 709   ;;
 710   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 711     machine=ibmrs6000 opsys=aix4-2
 712   ;;
 713   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 714     machine=ibmrs6000 opsys=aix4
 715   ;;
 716   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 717     machine=ibmrs6000 opsys=aix4-1
 718   ;;
 719   rs6000-ibm-aix* | powerpc-ibm-aix* )
 720     machine=ibmrs6000 opsys=aix3-2
 721   ;;
 722   romp-ibm-bsd4.3* )
 723     machine=ibmrt opsys=bsd4-3
 724   ;;
 725   romp-ibm-bsd4.2* )
 726     machine=ibmrt opsys=bsd4-2
 727   ;;
 728   romp-ibm-aos4.3* )
 729     machine=ibmrt opsys=bsd4-3
 730   ;;
 731   romp-ibm-aos4.2* )
 732     machine=ibmrt opsys=bsd4-2
 733   ;;
 734   romp-ibm-aos* )
 735     machine=ibmrt opsys=bsd4-3
 736   ;;
 737   romp-ibm-bsd* )
 738     machine=ibmrt opsys=bsd4-3
 739   ;;
 740   romp-ibm-aix* )
 741     machine=ibmrt-aix opsys=usg5-2-2
 742   ;;
 743
 744   ## Integrated Solutions `Optimum V'
 745   m68*-isi-bsd4.2* )
 746     machine=isi-ov opsys=bsd4-2
 747   ;;
 748   m68*-isi-bsd4.3* )
 749     machine=isi-ov opsys=bsd4-3
 750   ;;
 751
 752   ## Intel 386 machines where we do care about the manufacturer
 753   i[3456]86-intsys-sysv* )
 754     machine=is386 opsys=usg5-2-2
 755   ;;
 756
 757   ## Prime EXL
 758   i[3456]86-prime-sysv* )
 759     machine=i386 opsys=usg5-3
 760   ;;
 761
 762   ## Sequent Symmetry running Dynix
 763   i[3456]86-sequent-bsd* )
 764     machine=symmetry opsys=bsd4-3
 765   ;;
 766
 767   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 768   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 769     machine=sequent-ptx opsys=ptx4
 770     NON_GNU_CPP=/lib/cpp
 771   ;;
 772
 773   ## Sequent Symmetry running DYNIX/ptx
 774   ## Use the old cpp rather than the newer ANSI one.
 775   i[3456]86-sequent-ptx* )
 776     machine=sequent-ptx opsys=ptx
 777     NON_GNU_CPP="/lib/cpp"
 778   ;;
 779
 780   ## ncr machine running svr4.3.
 781   i[3456]86-ncr-sysv4.3 )
 782     machine=ncr386 opsys=usg5-4-3
 783   ;;
 784
 785   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 786   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 787   i[3456]86-ncr-sysv* )
 788     machine=ncr386 opsys=usg5-4-2
 789   ;;
 790
 791   ## Intel Paragon OSF/1
 792   i860-intel-osf1* )
 793     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 794   ;;
 795
 796   ## Intel 860
 797   i860-*-sysv4* )
 798     machine=i860 opsys=usg5-4
 799     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 800     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 801   ;;
 802
 803   ## Macintosh PowerPC
 804   powerpc*-*-linux-gnu* )
 805     machine=macppc opsys=gnu-linux
 806   ;;
 807
 808   ## Masscomp machines
 809   m68*-masscomp-rtu* )
 810     machine=masscomp opsys=rtu
 811   ;;
 812
 813   ## Megatest machines
 814   m68*-megatest-bsd* )
 815     machine=mega68 opsys=bsd4-2
 816   ;;
 817
 818   ## Workstations sold by MIPS
 819   ## This is not necessarily all workstations using the MIPS processor -
 820   ## Irises are produced by SGI, and DECstations by DEC.
 821
 822   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 823   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 824   ## it gives for choosing between the alternatives seems to be "Use
 825   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 826   ## the BSD world."  I'll assume that these are instructions for
 827   ## handling two odd situations, and that every other situation
 828   ## should use mips.h and usg5-2-2, they being listed first.
 829   mips-mips-usg* )
 830     machine=mips4
 831     ## Fall through to the general code at the bottom to decide on the OS.
 832   ;;
 833   mips-mips-riscos4* )
 834     machine=mips4 opsys=bsd4-3
 835     NON_GNU_CC="cc -systype bsd43"
 836     NON_GNU_CPP="cc -systype bsd43 -E"
 837   ;;
 838   mips-mips-riscos5* )
 839     machine=mips4 opsys=riscos5
 840     NON_GNU_CC="cc -systype bsd43"
 841     NON_GNU_CPP="cc -systype bsd43 -E"
 842   ;;
 843   mips-mips-bsd* )
 844     machine=mips opsys=bsd4-3
 845   ;;
 846   mips-mips-* )
 847     machine=mips opsys=usg5-2-2
 848   ;;
 849
 850   ## NeXT
 851   m68*-next-* | m68k-*-nextstep* )
 852     machine=m68k opsys=nextstep
 853   ;;
 854
 855   ## The complete machine from National Semiconductor
 856   ns32k-ns-genix* )
 857     machine=ns32000 opsys=usg5-2
 858   ;;
 859
 860   ## NCR machines
 861   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 862     machine=tower32 opsys=usg5-2-2
 863   ;;
 864   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 865     machine=tower32v3 opsys=usg5-3
 866   ;;
 867
 868   ## NEC EWS4800
 869   mips-nec-sysv4*)
 870   machine=ews4800 opsys=ux4800
 871   ;;
 872
 873   ## Nixdorf Targon 31
 874   m68*-nixdorf-sysv* )
 875     machine=targon31 opsys=usg5-2-2
 876   ;;
 877
 878   ## Nu (TI or LMI)
 879   m68*-nu-sysv* )
 880     machine=nu opsys=usg5-2
 881   ;;
 882
 883   ## Plexus
 884   m68*-plexus-sysv* )
 885     machine=plexus opsys=usg5-2
 886   ;;
 887
 888   ## Pyramid machines
 889   ## I don't really have any idea what sort of processor the Pyramid has,
 890   ## so I'm assuming it is its own architecture.
 891   pyramid-pyramid-bsd* )
 892     machine=pyramid opsys=bsd4-2
 893   ;;
 894
 895   ## Sequent Balance
 896   ns32k-sequent-bsd4.2* )
 897     machine=sequent opsys=bsd4-2
 898   ;;
 899   ns32k-sequent-bsd4.3* )
 900     machine=sequent opsys=bsd4-3
 901   ;;
 902
 903   ## Siemens Nixdorf
 904   mips-siemens-sysv* | mips-sni-sysv*)
 905     machine=mips-siemens opsys=usg5-4
 906     NON_GNU_CC=/usr/ccs/bin/cc
 907     NON_GNU_CPP=/usr/ccs/lib/cpp
 908   ;;
 909
 910   ## Silicon Graphics machines
 911   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 912   m68*-sgi-iris3.5* )
 913     machine=irist opsys=iris3-5
 914   ;;
 915   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 916     machine=irist opsys=iris3-6
 917   ;;
 918   ## Iris 4D
 919   mips-sgi-irix3* )
 920     machine=iris4d opsys=irix3-3
 921   ;;
 922   mips-sgi-irix4* )
 923     machine=iris4d opsys=irix4-0
 924   ;;
 925   mips-sgi-irix6.5 )
 926     machine=iris4d opsys=irix6-5
 927     # Without defining _LANGUAGE_C, things get masked out in the headers
 928     # so that, for instance, grepping for `free' in stdlib.h fails and
 929     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 930     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 931     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 932   ;;
 933   mips-sgi-irix6* )
 934     machine=iris4d opsys=irix6-0
 935     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 936     # but presumably it does no harm.
 937     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 938     # -32 probably isn't necessary in later v.6s -- anyone know which?
 939     NON_GCC_TEST_OPTIONS=-32
 940   ;;
 941   mips-sgi-irix5.[01]* )
 942     machine=iris4d opsys=irix5-0
 943   ;;
 944   mips-sgi-irix5* | mips-sgi-irix* )
 945     machine=iris4d opsys=irix5-2
 946   ;;
 947
 948   ## SONY machines
 949   m68*-sony-bsd4.2* )
 950     machine=news opsys=bsd4-2
 951   ;;
 952   m68*-sony-bsd4.3* )
 953     machine=news opsys=bsd4-3
 954   ;;
 955   m68*-sony-newsos3* | m68*-sony-news3*)
 956     machine=news opsys=bsd4-3
 957   ;;
 958   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 959     machine=news-risc opsys=bsd4-3
 960   ;;
 961   mips-sony-newsos6* )
 962     machine=news-r6 opsys=newsos6
 963   ;;
 964   mips-sony-news* )
 965     machine=news-risc opsys=newsos5
 966   ;;
 967
 968   ## Stride
 969   m68*-stride-sysv* )
 970     machine=stride opsys=usg5-2
 971   ;;
 972
 973   ## Suns
 974   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 975     machine=sparc opsys=gnu-linux
 976   ;;
 977
 978   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 979     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 980     | rs6000-*-solaris2*)
 981     case "${canonical}" in
 982       m68*-sunos1* )    machine=sun1 ;;
 983       m68*-sunos2* )    machine=sun2 ;;
 984       m68* )            machine=sun3 ;;
 985       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 986       i[3456]86-*-* )     machine=intel386 ;;
 987       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 988       powerpcle* )      machine=powerpcle ;;
 989       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 990       sparc* )          machine=sparc ;;
 991       * )               unported=yes ;;
 992     esac
 993     case "${canonical}" in
 994       ## The Sun386 didn't get past 4.0.
 995       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 996       *-sunos4.0*         ) opsys=sunos4-0 ;;
 997       *-sunos4.1.[3-9]*noshare )
 998                 ## This name is sunos413 instead of sunos4-1-3
 999                 ## to avoid a file name conflict on MSDOS.
1000                 opsys=sunos413
1001                 NON_GNU_CPP=/usr/lib/cpp
1002                 NON_GCC_TEST_OPTIONS=-Bstatic
1003                 GCC_TEST_OPTIONS=-static
1004                 ;;
1005       *-sunos4.1.[3-9]* | *-sunos4shr*)
1006                 opsys=sunos4shr
1007                 NON_GNU_CPP=/usr/lib/cpp
1008                 ;;
1009       *-sunos4* | *-sunos )
1010                 opsys=sunos4-1
1011                 NON_GCC_TEST_OPTIONS=-Bstatic
1012                 GCC_TEST_OPTIONS=-static
1013                 ;;
1014       *-sunos5.3* | *-solaris2.3* )
1015                 opsys=sol2-3
1016                 NON_GNU_CPP=/usr/ccs/lib/cpp
1017                 ;;
1018       *-sunos5.4* | *-solaris2.4* )
1019                 opsys=sol2-4
1020                 NON_GNU_CPP=/usr/ccs/lib/cpp
1021                 RANLIB="ar -ts"
1022                 ;;
1023       *-sunos5.5* | *-solaris2.5* )
1024                 opsys=sol2-5
1025                 NON_GNU_CPP=/usr/ccs/lib/cpp
1026                 RANLIB="ar -ts"
1027                 ;;
1028       *-sunos5.6* | *-solaris2.6* )
1029                 opsys=sol2-6
1030                 NON_GNU_CPP=/usr/ccs/lib/cpp
1031                 RANLIB="ar -ts"
1032                 ;;
1033       *-sunos5* | *-solaris* )
1034                 opsys=sol2-6
1035 ## FIXME: make this into a proper fix that checks the compiler type,
1036 ## rather than relying on path. Or is /usr/ccs/lib/cpp a bad default now?
1037                 if [ "x$CC" = x/opt/SUNWspro/bin/cc ]; then
1038                   ## -Xs prevents spurious whitespace.
1039                   NON_GNU_CPP="/opt/SUNWspro/bin/cc -E -Xs"
1040                 else
1041                   NON_GNU_CPP=/usr/ccs/lib/cpp
1042                 fi
1043                 ;;
1044       *                   ) opsys=bsd4-2   ;;
1045     esac
1046     ## Watch out for a compiler that we know will not work.
1047     case "${canonical}" in
1048      *-solaris* | *-sunos5* )
1049                 if [ "x$CC" = x/usr/ucb/cc ]; then
1050                   ## /usr/ucb/cc doesn't work;
1051                   ## we should find some other compiler that does work.
1052                   unset CC
1053                 fi
1054                 ;;
1055       *) ;;
1056     esac
1057   ;;
1058   sparc-*-nextstep* )
1059     machine=sparc opsys=nextstep
1060   ;;
1061
1062   ## Tadpole 68k
1063   m68*-tadpole-sysv* )
1064     machine=tad68k opsys=usg5-3
1065   ;;
1066
1067   ## Tahoe machines
1068   tahoe-tahoe-bsd4.2* )
1069     machine=tahoe opsys=bsd4-2
1070   ;;
1071   tahoe-tahoe-bsd4.3* )
1072     machine=tahoe opsys=bsd4-3
1073   ;;
1074
1075   ## Tandem Integrity S2
1076   mips-tandem-sysv* )
1077     machine=tandem-s2 opsys=usg5-3
1078   ;;
1079
1080   ## Tektronix XD88
1081   m88k-tektronix-sysv3* )
1082   machine=tekxd88 opsys=usg5-3
1083   ;;
1084
1085   ## Tektronix 16000 box (6130?)
1086   ns16k-tektronix-bsd* )
1087     machine=ns16000 opsys=bsd4-2
1088   ;;
1089   ## Tektronix 4300
1090   ## src/m/tek4300.h hints that this is a m68k machine.
1091   m68*-tektronix-bsd* )
1092     machine=tek4300 opsys=bsd4-3
1093   ;;
1094
1095   ## Titan P2 or P3
1096   ## We seem to have lost the machine-description file titan.h!
1097   titan-titan-sysv* )
1098     machine=titan opsys=usg5-3
1099   ;;
1100
1101   ## Ustation E30 (SS5E)
1102   m68*-unisys-uniplus* )
1103     machine=ustation opsystem=unipl5-2
1104   ;;
1105
1106   ## Vaxen.
1107   vax-dec-* )
1108     machine=vax
1109     case "${canonical}" in
1110       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1111       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1112       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1113       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1114       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1115       *-vms* )                                          opsys=vms ;;
1116       * )                                               unported=yes
1117     esac
1118   ;;
1119
1120   ## Whitechapel MG1
1121   ns16k-whitechapel-* )
1122     machine=mg1
1123     ## We don't know what sort of OS runs on these; we'll let the
1124     ## operating system guessing code below try.
1125   ;;
1126
1127   ## Wicat
1128   m68*-wicat-sysv* )
1129     machine=wicat opsys=usg5-2
1130   ;;
1131
1132   ## IA-64
1133   ia64*-*-linux* )
1134     machine=ia64 opsys=gnu-linux
1135   ;;
1136
1137   ## Intel 386 machines where we don't care about the manufacturer
1138   i[3456]86-*-* )
1139     machine=intel386
1140     case "${canonical}" in
1141       *-cygwin )                opsys=cygwin ;;
1142       *-darwin* )               opsys=darwin
1143                                 CPP="${CC-cc} -E -no-cpp-precomp"
1144                                 ;;
1145       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1146       *-isc2.2* )               opsys=isc2-2 ;;
1147       *-isc4.0* )               opsys=isc4-0 ;;
1148       *-isc4.* )                opsys=isc4-1
1149                                 GCC_TEST_OPTIONS=-posix
1150                                 NON_GCC_TEST_OPTIONS=-Xp
1151                                 ;;
1152       *-isc* )                  opsys=isc3-0 ;;
1153       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1154       *-esix* )                 opsys=esix ;;
1155       *-xenix* )                opsys=xenix ;;
1156       *-linux-gnu* )            opsys=gnu-linux ;;
1157       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1158       *-sco3.2v5* )             opsys=sco5
1159                                 NON_GNU_CPP=/lib/cpp
1160                                 # Prevent -belf from being passed to $CPP.
1161                                 # /lib/cpp does not accept it.
1162                                 OVERRIDE_CPPFLAGS=" "
1163                                 ;;
1164       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1165       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1166       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1167       *-386bsd* )               opsys=386bsd ;;
1168       *-nextstep* )             opsys=nextstep ;;
1169       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1170     esac
1171   ;;
1172
1173   ## m68k Linux-based GNU system
1174   m68k-*-linux-gnu* )
1175     machine=m68k opsys=gnu-linux
1176   ;;
1177
1178   ## Mips Linux-based GNU system
1179   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
1180     machine=mips opsys=gnu-linux
1181   ;;
1182
1183   ## UXP/DS
1184   sparc-fujitsu-sysv4* )
1185     machine=sparc opsys=uxpds
1186     NON_GNU_CPP=/usr/ccs/lib/cpp
1187     RANLIB="ar -ts"
1188   ;;
1189
1190   ## UXP/V
1191   f301-fujitsu-uxpv4.1)
1192     machine=f301 opsys=uxpv
1193   ;;
1194
1195   ## AMD x86-64 Linux-based GNU system
1196   x86_64-*-linux-gnu* )
1197     machine=amdx86-64 opsys=gnu-linux
1198   ;;
1199
1200   ## Tensilica Xtensa Linux-based GNU system
1201   xtensa-*-linux-gnu* )
1202     machine=xtensa opsys=gnu-linux
1203     ;;
1204
1205   * )
1206     unported=yes
1207   ;;
1208 esac
1209
1210 ### If the code above didn't choose an operating system, just choose
1211 ### an operating system based on the configuration name.  You really
1212 ### only want to use this when you have no idea what the right
1213 ### operating system is; if you know what operating systems a machine
1214 ### runs, it's cleaner to make it explicit in the case statement
1215 ### above.
1216 if test x"${opsys}" = x; then
1217   case "${canonical}" in
1218     *-gnu* )                            opsys=gnu ;;
1219     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1220     *-bsd4.2 )                          opsys=bsd4-2 ;;
1221     *-bsd4.3 )                          opsys=bsd4-3 ;;
1222     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1223     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1224     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1225     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1226     *-sysv4.2uw* )                      opsys=unixware ;;
1227     *-sysv5uw* )                        opsys=unixware ;;
1228     *-sysv5OpenUNIX* )                  opsys=unixware ;;
1229     *-sysv4.1* | *-sysvr4.1* )
1230         NON_GNU_CPP=/usr/lib/cpp
1231         opsys=usg5-4 ;;
1232     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1233         if [ x$NON_GNU_CPP = x ]; then
1234           if [ -f /usr/ccs/lib/cpp ]; then
1235             NON_GNU_CPP=/usr/ccs/lib/cpp
1236           else
1237             NON_GNU_CPP=/lib/cpp
1238           fi
1239         fi
1240         opsys=usg5-4-2 ;;
1241     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1242     * )
1243       unported=yes
1244     ;;
1245   esac
1246 fi
1247
1248 ]
1249 dnl quotation ends
1250
1251 if test $unported = yes; then
1252   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
1253 Check `etc/MACHINES' for recognized configuration names.])
1254 fi
1255
1256 machfile="m/${machine}.h"
1257 opsysfile="s/${opsys}.h"
1258
1259
1260 #### Choose a compiler.
1261 test -n "$CC" && cc_specified=yes
1262
1263 # Save the value of CFLAGS that the user specified.
1264 SPECIFIED_CFLAGS="$CFLAGS"
1265
1266 case ${with_gcc} in
1267   "yes" ) CC="gcc" GCC=yes ;;
1268   "no"  ) : ${CC=cc} ;;
1269   * )
1270 esac
1271 AC_PROG_CC
1272
1273 # On Suns, sometimes $CPP names a directory.
1274 if test -n "$CPP" && test -d "$CPP"; then
1275   CPP=
1276 fi
1277
1278 #### Some systems specify a CPP to use unless we are using GCC.
1279 #### Now that we know whether we are using GCC, we can decide whether
1280 #### to use that one.
1281 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1282 then
1283   CPP="$NON_GNU_CPP"
1284 fi
1285
1286 #### Some systems specify a CC to use unless we are using GCC.
1287 #### Now that we know whether we are using GCC, we can decide whether
1288 #### to use that one.
1289 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1290   test x$cc_specified != xyes
1291 then
1292   CC="$NON_GNU_CC"
1293 fi
1294
1295 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1296 then
1297   CC="$CC $GCC_TEST_OPTIONS"
1298 fi
1299
1300 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1301 then
1302   CC="$CC $NON_GCC_TEST_OPTIONS"
1303 fi
1304
1305 dnl checks for Unix variants
1306 AC_AIX
1307 AC_GNU_SOURCE
1308
1309 ### Use -Wno-pointer-sign if the compiler supports it
1310 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
1311 SAVE_CFLAGS="$CFLAGS"
1312 CFLAGS="$CFLAGS -Wno-pointer-sign"
1313 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
1314 if test $has_option = yes; then
1315    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
1316 fi
1317 AC_MSG_RESULT($has_option)
1318 CFLAGS="$SAVE_CFLAGS"
1319 unset has_option
1320 unset SAVE_CFLAGS
1321
1322 #### Some other nice autoconf tests.
1323
1324 dnl checks for programs
1325 AC_PROG_LN_S
1326 AC_PROG_CPP
1327 AC_PROG_INSTALL
1328 if test "x$RANLIB" = x; then
1329   AC_PROG_RANLIB
1330 fi
1331 AC_PATH_PROG(INSTALL_INFO, install-info)
1332 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
1333 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
1334 dnl Don't use GZIP, which is used by gzip for additional parameters.
1335 AC_PATH_PROG(GZIP_PROG, gzip)
1336
1337 dnl Add our options to ac_link now, after it is set up.
1338
1339 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1340 then
1341   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1342 fi
1343
1344 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1345 then
1346   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1347 fi
1348
1349 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1350 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1351 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1352 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1353 dnl if not built to support GNU ld.
1354
1355 late_LDFLAGS=$LDFLAGS
1356 if test "$GCC" = yes; then
1357   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
1358 else
1359   LDFLAGS="$LDFLAGS -znocombreloc"
1360 fi
1361
1362 AC_MSG_CHECKING([for -znocombreloc])
1363 AC_LINK_IFELSE([main(){return 0;}],
1364   [AC_MSG_RESULT(yes)],
1365   LDFLAGS=$late_LDFLAGS
1366   [AC_MSG_RESULT(no)])
1367
1368 #### Extract some information from the operating system and machine files.
1369
1370 AC_CHECKING([the machine- and system-dependent files to find out
1371  - which libraries the lib-src programs will want, and
1372  - whether the GNU malloc routines are usable])
1373
1374 ### First figure out CFLAGS (which we use for running the compiler here)
1375 ### and REAL_CFLAGS (which we use for real compilation).
1376 ### The two are the same except on a few systems, where they are made
1377 ### different to work around various lossages.  For example,
1378 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1379 ### as implying static linking.
1380
1381 ### If the CFLAGS env var is specified, we use that value
1382 ### instead of the default.
1383
1384 ### It's not important that this name contain the PID; you can't run
1385 ### two configures in the same directory and have anything work
1386 ### anyway.
1387 tempcname="conftest.c"
1388
1389 echo '
1390 #include "'${srcdir}'/src/'${opsysfile}'"
1391 #include "'${srcdir}'/src/'${machfile}'"
1392 #ifndef LIBS_MACHINE
1393 #define LIBS_MACHINE
1394 #endif
1395 #ifndef LIBS_SYSTEM
1396 #define LIBS_SYSTEM
1397 #endif
1398 #ifndef C_SWITCH_SYSTEM
1399 #define C_SWITCH_SYSTEM
1400 #endif
1401 #ifndef C_SWITCH_MACHINE
1402 #define C_SWITCH_MACHINE
1403 #endif
1404 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1405 configure___ c_switch_system=C_SWITCH_SYSTEM
1406 configure___ c_switch_machine=C_SWITCH_MACHINE
1407
1408 #ifndef LIB_X11_LIB
1409 #define LIB_X11_LIB -lX11
1410 #endif
1411
1412 #ifndef LIBX11_MACHINE
1413 #define LIBX11_MACHINE
1414 #endif
1415
1416 #ifndef LIBX11_SYSTEM
1417 #define LIBX11_SYSTEM
1418 #endif
1419 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1420
1421 #ifdef UNEXEC
1422 configure___ unexec=UNEXEC
1423 #else
1424 configure___ unexec=unexec.o
1425 #endif
1426
1427 #ifdef SYSTEM_MALLOC
1428 configure___ system_malloc=yes
1429 #else
1430 configure___ system_malloc=no
1431 #endif
1432
1433 #ifdef USE_MMAP_FOR_BUFFERS
1434 configure___ use_mmap_for_buffers=yes
1435 #else
1436 configure___ use_mmap_for_buffers=no
1437 #endif
1438
1439 #ifndef C_DEBUG_SWITCH
1440 #define C_DEBUG_SWITCH -g
1441 #endif
1442
1443 #ifndef C_OPTIMIZE_SWITCH
1444 #ifdef __GNUC__
1445 #define C_OPTIMIZE_SWITCH -O2
1446 #else
1447 #define C_OPTIMIZE_SWITCH -O
1448 #endif
1449 #endif
1450
1451 #ifndef C_WARNINGS_SWITCH
1452 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1453 #endif
1454
1455 #ifndef LD_SWITCH_MACHINE
1456 #define LD_SWITCH_MACHINE
1457 #endif
1458
1459 #ifndef LD_SWITCH_SYSTEM
1460 #define LD_SWITCH_SYSTEM
1461 #endif
1462
1463 #ifndef LD_SWITCH_X_SITE_AUX
1464 #define LD_SWITCH_X_SITE_AUX
1465 #endif
1466
1467 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1468 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1469
1470 #ifdef THIS_IS_CONFIGURE
1471
1472 /* Get the CFLAGS for tests in configure.  */
1473 #ifdef __GNUC__
1474 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1475 #else
1476 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1477 #endif
1478
1479 #else /* not THIS_IS_CONFIGURE */
1480
1481 /* Get the CFLAGS for real compilation.  */
1482 #ifdef __GNUC__
1483 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1484 #else
1485 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1486 #endif
1487
1488 #endif /* not THIS_IS_CONFIGURE */
1489 ' > ${tempcname}
1490
1491 # The value of CPP is a quoted variable reference, so we need to do this
1492 # to get its actual value...
1493 CPP=`eval "echo $CPP"`
1494 [eval `${CPP} -Isrc ${tempcname} \
1495        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1496 if test "x$SPECIFIED_CFLAGS" = x; then
1497   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1498          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1499 else
1500   REAL_CFLAGS="$CFLAGS"
1501 fi]
1502 rm ${tempcname}
1503
1504 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1505
1506 ### Make sure subsequent tests use flags consistent with the build flags.
1507
1508 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1509   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1510 else
1511   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1512 fi
1513
1514 dnl For AC_FUNC_GETLOADAVG, at least:
1515 AC_CONFIG_LIBOBJ_DIR(src)
1516
1517 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1518 AC_SYS_LARGEFILE
1519
1520
1521 ### The standard library on x86-64 GNU/Linux distributions can
1522 ### be located in either /usr/lib64 or /usr/lib.
1523 case "${canonical}" in
1524   x86_64-*-linux-gnu* )
1525     if test -d /usr/lib64; then
1526       AC_DEFINE(HAVE_X86_64_LIB64_DIR, 1,
1527         [Define to 1 if the file /usr/lib64 exists.])
1528 fi
1529 esac
1530
1531 dnl This function defintion taken from Gnome 2.0
1532 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1533 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1534 dnl also defines GSTUFF_PKG_ERRORS on error
1535 AC_DEFUN([PKG_CHECK_MODULES], [
1536   succeeded=no
1537
1538   if test -z "$PKG_CONFIG"; then
1539     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1540   fi
1541
1542   if test "$PKG_CONFIG" = "no" ; then
1543      ifelse([$4], , [AC_MSG_ERROR([
1544       *** 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])
1545   else
1546      PKG_CONFIG_MIN_VERSION=0.9.0
1547      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1548         AC_MSG_CHECKING(for $2)
1549
1550         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1551             AC_MSG_RESULT(yes)
1552             succeeded=yes
1553
1554             AC_MSG_CHECKING($1_CFLAGS)
1555             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1556             AC_MSG_RESULT($$1_CFLAGS)
1557
1558             AC_MSG_CHECKING($1_LIBS)
1559             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1560             AC_MSG_RESULT($$1_LIBS)
1561         else
1562             AC_MSG_RESULT(no)
1563             $1_CFLAGS=""
1564             $1_LIBS=""
1565             ## If we have a custom action on failure, don't print errors, but
1566             ## do set a variable so people can do so.
1567             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1568             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1569         fi
1570
1571         AC_SUBST($1_CFLAGS)
1572         AC_SUBST($1_LIBS)
1573      else
1574         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1575         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1576      fi
1577   fi
1578
1579   if test $succeeded = yes; then
1580      ifelse([$3], , :, [$3])
1581   else
1582      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.])], [$4])
1583   fi
1584 ])
1585
1586
1587 if test "${with_sound}" != "no"; then
1588   # Sound support for GNU/Linux and the free BSDs.
1589   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1590   # Emulation library used on NetBSD.
1591   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1592   AC_SUBST(LIBSOUND)
1593
1594   ALSA_REQUIRED=1.0.0
1595   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1596   dnl Check if --with-pkg-config-prog has been given.
1597   if test "X${with_pkg_config_prog}" != X; then
1598     PKG_CONFIG="${with_pkg_config_prog}"
1599   fi
1600   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1601   if test $HAVE_ALSA = yes; then
1602     SAVE_CFLAGS="$CFLAGS"
1603     SAVE_LDFLAGS="$LDFLAGS"
1604     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1605     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1606     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1607                     emacs_alsa_normal=yes,
1608                     emacs_alsa_normal=no)
1609     if test "$emacs_alsa_normal" != yes; then
1610       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1611                      [snd_lib_error_set_handler (0);],
1612                      emacs_alsa_subdir=yes,
1613                      emacs_alsa_subdir=no)
1614       if test "$emacs_alsa_subdir" != yes; then
1615         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1616       fi
1617       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1618     fi
1619
1620     CFLAGS="$SAVE_CFLAGS"
1621     LDFLAGS="$SAVE_LDFLAGS"
1622     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1623     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1624     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1625     AC_SUBST()
1626   fi
1627   AC_SUBST(CFLAGS_SOUND)
1628 fi
1629
1630 dnl checks for header files
1631 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1632   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1633   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1634   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1635   sys/utsname.h pwd.h)
1636
1637 AC_MSG_CHECKING(if personality LINUX32 can be set)
1638 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1639                emacs_cv_personality_linux32=yes,
1640                emacs_cv_personality_linux32=no)
1641 AC_MSG_RESULT($emacs_cv_personality_linux32)
1642
1643 if test $emacs_cv_personality_linux32 = yes; then
1644   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1645             [Define to 1 if personality LINUX32 can be set.])
1646 fi
1647
1648 dnl On Solaris 8 there's a compilation warning for term.h because
1649 dnl it doesn't define `bool'.
1650 AC_CHECK_HEADERS(term.h, , , -)
1651 AC_HEADER_STDC
1652 AC_HEADER_TIME
1653 AC_CHECK_DECLS([sys_siglist])
1654 if test $ac_cv_have_decl_sys_siglist != yes; then
1655   # For Tru64, at least:
1656   AC_CHECK_DECLS([__sys_siglist])
1657   if test $ac_cv_have_decl___sys_siglist = yes; then
1658     AC_DEFINE(sys_siglist, __sys_siglist,
1659               [Define to any substitute for sys_siglist.])
1660   fi
1661 fi
1662 AC_HEADER_SYS_WAIT
1663
1664 dnl Some systems have utime.h but don't declare the struct anyplace.
1665 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1666 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1667 #include <sys/time.h>
1668 #include <time.h>
1669 #else
1670 #ifdef HAVE_SYS_TIME_H
1671 #include <sys/time.h>
1672 #else
1673 #include <time.h>
1674 #endif
1675 #endif
1676 #ifdef HAVE_UTIME_H
1677 #include <utime.h>
1678 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1679   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1680 if test $emacs_cv_struct_utimbuf = yes; then
1681   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1682 fi
1683
1684 dnl checks for typedefs
1685 AC_TYPE_SIGNAL
1686
1687 dnl Check for speed_t typedef.
1688 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1689   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1690     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1691 if test $emacs_cv_speed_t = yes; then
1692   AC_DEFINE(HAVE_SPEED_T, 1,
1693            [Define to 1 if `speed_t' is declared by <termios.h>.])
1694 fi
1695
1696 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1697 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1698 #include <sys/time.h>
1699 #include <time.h>
1700 #else
1701 #ifdef HAVE_SYS_TIME_H
1702 #include <sys/time.h>
1703 #else
1704 #include <time.h>
1705 #endif
1706 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1707   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1708 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1709 if test $emacs_cv_struct_timeval = yes; then
1710   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1711 fi
1712
1713 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1714 AC_TRY_COMPILE([#include <math.h>],
1715 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1716   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1717 HAVE_EXCEPTION=$emacs_cv_struct_exception
1718 if test $emacs_cv_struct_exception != yes; then
1719   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1720 fi
1721
1722 AC_CHECK_HEADERS(sys/socket.h)
1723 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1724 #if HAVE_SYS_SOCKET_H
1725 #include <sys/socket.h>
1726 #endif])
1727
1728 dnl checks for structure members
1729 AC_STRUCT_TM
1730 AC_STRUCT_TIMEZONE
1731 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1732                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1733                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1734                 [#include <time.h>])
1735 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1736                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1737                   struct ifreq.ifr_addr], , ,
1738                  [AC_INCLUDES_DEFAULT
1739 #if HAVE_SYS_SOCKET_H
1740 #include <sys/socket.h>
1741 #endif
1742 #if HAVE_NET_IF_H
1743 #include <net/if.h>
1744 #endif])
1745
1746 dnl checks for compiler characteristics
1747
1748 dnl Testing __STDC__ to determine prototype support isn't good enough.
1749 dnl DEC C, for instance, doesn't define it with default options, and
1750 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1751 dnl and void *.
1752 AC_C_PROTOTYPES
1753 AC_C_VOLATILE
1754 AC_C_CONST
1755 dnl This isn't useful because we can't turn on use of `inline' unless
1756 dnl the compiler groks `extern inline'.
1757 dnl AC_C_INLINE
1758 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1759   [AC_TRY_COMPILE(, [void * foo;],
1760                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1761 if test $emacs_cv_void_star = yes; then
1762   AC_DEFINE(POINTER_TYPE, void)
1763 else
1764   AC_DEFINE(POINTER_TYPE, char)
1765 fi
1766 AH_TEMPLATE(POINTER_TYPE,
1767             [Define as `void' if your compiler accepts `void *'; otherwise
1768              define as `char'.])dnl
1769
1770
1771
1772 dnl This could be used for targets which can have both byte sexes.
1773 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1774 dnl AC_C_BIGENDIAN
1775
1776 dnl check for Make feature
1777 AC_PROG_MAKE_SET
1778
1779 dnl checks for operating system services
1780 AC_SYS_LONG_FILE_NAMES
1781
1782 #### Choose a window system.
1783
1784 AC_PATH_X
1785 if test "$no_x" = yes; then
1786   window_system=none
1787 else
1788   window_system=x11
1789 fi
1790
1791 if test "${x_libraries}" != NONE; then
1792   if test -n "${x_libraries}"; then
1793     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1794     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1795   fi
1796   x_default_search_path=""
1797   x_search_path=${x_libraries}
1798   if test -z "${x_search_path}"; then
1799     x_search_path=/usr/lib
1800   fi
1801   for x_library in `echo ${x_search_path}: | \
1802                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1803     x_search_path="\
1804 ${x_library}/X11/%L/%T/%N%C%S:\
1805 ${x_library}/X11/%l/%T/%N%C%S:\
1806 ${x_library}/X11/%T/%N%C%S:\
1807 ${x_library}/X11/%L/%T/%N%S:\
1808 ${x_library}/X11/%l/%T/%N%S:\
1809 ${x_library}/X11/%T/%N%S"
1810     if test x"${x_default_search_path}" = x; then
1811       x_default_search_path=${x_search_path}
1812     else
1813       x_default_search_path="${x_search_path}:${x_default_search_path}"
1814     fi
1815   done
1816 fi
1817 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1818   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1819 fi
1820
1821 if test x"${x_includes}" = x; then
1822   bitmapdir=/usr/include/X11/bitmaps
1823 else
1824   # accumulate include directories that have X11 bitmap subdirectories
1825   bmd_acc="dummyval"
1826   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1827     if test -d "${bmd}/X11/bitmaps"; then
1828       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1829     fi
1830     if test -d "${bmd}/bitmaps"; then
1831       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1832     fi
1833   done
1834   if test ${bmd_acc} != "dummyval"; then
1835     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1836   fi
1837 fi
1838
1839 HAVE_CARBON=no
1840 if test "${with_carbon}" != no; then
1841   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1842 fi
1843 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1844   if test "${with_carbon+set}" != set \
1845      && test "${carbon_appdir_x+set}" != set; then
1846     for var in with_x with_x_toolkit with_gtk with_xim \
1847                with_xpm with_jpeg with_tiff with_gif with_png; do
1848       if eval test \"\${$var+set}\" = set; then
1849         HAVE_CARBON=no
1850         break
1851       fi
1852     done
1853   fi
1854 fi
1855 if test "${HAVE_CARBON}" = yes; then
1856   window_system=mac
1857 fi
1858
1859 case "${window_system}" in
1860   x11 )
1861     HAVE_X_WINDOWS=yes
1862     HAVE_X11=yes
1863     case "${with_x_toolkit}" in
1864       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1865       motif ) USE_X_TOOLKIT=MOTIF ;;
1866 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1867       gtk ) with_gtk=yes
1868 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1869 dnl USE_X_TOOLKIT is set.
1870             USE_X_TOOLKIT=none ;;
1871       no ) USE_X_TOOLKIT=none ;;
1872 dnl If user did not say whether to use a toolkit,
1873 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1874       * ) USE_X_TOOLKIT=maybe ;;
1875     esac
1876   ;;
1877   mac | none )
1878     HAVE_X_WINDOWS=no
1879     HAVE_X11=no
1880     USE_X_TOOLKIT=none
1881   ;;
1882 esac
1883
1884 ### If we're using X11, we should use the X menu package.
1885 HAVE_MENUS=no
1886 case ${HAVE_X11} in
1887   yes ) HAVE_MENUS=yes ;;
1888 esac
1889
1890 if test "${opsys}" = "hpux9"; then
1891   case "${x_libraries}" in
1892     *X11R4* )
1893       opsysfile="s/hpux9-x11r4.h"
1894       ;;
1895   esac
1896 fi
1897
1898 if test "${opsys}" = "hpux9shr"; then
1899   case "${x_libraries}" in
1900     *X11R4* )
1901       opsysfile="s/hpux9shxr4.h"
1902       ;;
1903   esac
1904 fi
1905
1906 ### Compute the unexec source name from the object name.
1907 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1908
1909 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1910 # Assume not, until told otherwise.
1911 GNU_MALLOC=yes
1912 doug_lea_malloc=yes
1913 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1914 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1915 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1916                emacs_cv_var___after_morecore_hook,
1917 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1918   emacs_cv_var___after_morecore_hook=yes,
1919   emacs_cv_var___after_morecore_hook=no)])
1920 if test $emacs_cv_var___after_morecore_hook = no; then
1921   doug_lea_malloc=no
1922 fi
1923 if test "${system_malloc}" = "yes"; then
1924   GNU_MALLOC=no
1925   GNU_MALLOC_reason="
1926     (The GNU allocators don't work with this system configuration.)"
1927 fi
1928 if test "$doug_lea_malloc" = "yes" ; then
1929   if test "$GNU_MALLOC" = yes ; then
1930     GNU_MALLOC_reason="
1931       (Using Doug Lea's new malloc from the GNU C Library.)"
1932   fi
1933   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1934             [Define to 1 if you are using the GNU C Library.])
1935 fi
1936
1937 if test x"${REL_ALLOC}" = x; then
1938   REL_ALLOC=${GNU_MALLOC}
1939 fi
1940
1941 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1942 dnl the system configuration file (s/*.h) to turn the use of mmap
1943 dnl in the relocating allocator on.
1944
1945 AC_FUNC_MMAP
1946 if test $use_mmap_for_buffers = yes; then
1947   REL_ALLOC=no
1948 fi
1949
1950 LIBS="$libsrc_libs $LIBS"
1951
1952 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1953 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1954 AC_CHECK_LIB(dnet, dnet_ntoa)
1955 dnl This causes -lresolv to get used in subsequent tests,
1956 dnl which causes failures on some systems such as HPUX 9.
1957 dnl AC_CHECK_LIB(resolv, gethostbyname)
1958
1959 dnl FIXME replace main with a function we actually want from this library.
1960 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1961
1962 AC_CHECK_LIB(pthreads, cma_open)
1963
1964 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1965 if test -d /usr/X386/include; then
1966   HAVE_XFREE386=yes
1967   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1968 else
1969   HAVE_XFREE386=no
1970 fi
1971 AC_MSG_RESULT($HAVE_XFREE386)
1972
1973 dnl Check for need for bigtoc support on IBM AIX
1974
1975 case ${host_os} in
1976 aix*)
1977   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1978     case $GCC in
1979     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1980     *) gdb_cv_bigtoc=-bbigtoc ;;
1981     esac
1982
1983     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1984     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1985   ])
1986   ;;
1987 esac
1988
1989 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1990 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1991 # REAL_CPPFLAGS later on.
1992
1993 REAL_CPPFLAGS="$CPPFLAGS"
1994
1995 if test "${HAVE_X11}" = "yes"; then
1996   DEFS="$C_SWITCH_X_SITE $DEFS"
1997   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1998   LIBS="$LIBX $LIBS"
1999   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2000   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2001
2002   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2003   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
2004   # but it's more convenient here to set LD_RUN_PATH
2005   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
2006   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2007     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2008     export LD_RUN_PATH
2009   fi
2010
2011   if test "${opsys}" = "gnu-linux"; then
2012     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2013     AC_TRY_LINK([],
2014      [XOpenDisplay ("foo");],
2015      [xlinux_first_failure=no],
2016      [xlinux_first_failure=yes])
2017     if test "${xlinux_first_failure}" = "yes"; then
2018       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2019       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2020       OLD_CPPFLAGS="$CPPFLAGS"
2021       OLD_LIBS="$LIBS"
2022       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2023       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2024       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2025       LIBS="$LIBS -b i486-linuxaout"
2026       AC_TRY_LINK([],
2027        [XOpenDisplay ("foo");],
2028        [xlinux_second_failure=no],
2029        [xlinux_second_failure=yes])
2030       if test "${xlinux_second_failure}" = "yes"; then
2031         # If we get the same failure with -b, there is no use adding -b.
2032         # So take it out.  This plays safe.
2033         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2034         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2035         CPPFLAGS="$OLD_CPPFLAGS"
2036         LIBS="$OLD_LIBS"
2037         AC_MSG_RESULT(no)
2038       else
2039         AC_MSG_RESULT(yes)
2040       fi
2041     else
2042       AC_MSG_RESULT(no)
2043     fi
2044   fi
2045
2046   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2047   # header files included from there.
2048   AC_MSG_CHECKING(for Xkb)
2049   AC_TRY_LINK([#include <X11/Xlib.h>
2050 #include <X11/XKBlib.h>],
2051         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
2052         emacs_xkb=yes, emacs_xkb=no)
2053   AC_MSG_RESULT($emacs_xkb)
2054   if test $emacs_xkb = yes; then
2055     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
2056   fi
2057
2058   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2059 XScreenNumberOfScreen XSetWMProtocols)
2060 fi
2061
2062 if test "${window_system}" = "x11"; then
2063   AC_MSG_CHECKING(X11 version 6)
2064   AC_CACHE_VAL(emacs_cv_x11_version_6,
2065   [AC_TRY_LINK([#include <X11/Xlib.h>],
2066 [#if XlibSpecificationRelease < 6
2067 fail;
2068 #endif
2069 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2070   if test $emacs_cv_x11_version_6 = yes; then
2071     AC_MSG_RESULT(6 or newer)
2072     AC_DEFINE(HAVE_X11R6, 1,
2073               [Define to 1 if you have the X11R6 or newer version of Xlib.])
2074   else
2075     AC_MSG_RESULT(before 6)
2076   fi
2077 fi
2078
2079 if test "${window_system}" = "x11"; then
2080   AC_MSG_CHECKING(X11 version 5)
2081   AC_CACHE_VAL(emacs_cv_x11_version_5,
2082   [AC_TRY_LINK([#include <X11/Xlib.h>],
2083 [#if XlibSpecificationRelease < 5
2084 fail;
2085 #endif
2086 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
2087   if test $emacs_cv_x11_version_5 = yes; then
2088     AC_MSG_RESULT(5 or newer)
2089     HAVE_X11R5=yes
2090     AC_DEFINE(HAVE_X11R5, 1,
2091               [Define to 1 if you have the X11R5 or newer version of Xlib.])
2092   else
2093     HAVE_X11R5=no
2094     AC_MSG_RESULT(before 5)
2095   fi
2096 fi
2097
2098 HAVE_GTK=no
2099 if test "${with_gtk}" = "yes" && test "$USE_X_TOOLKIT" = "gtk"; then
2100   USE_X_TOOLKIT=none
2101 fi
2102 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then
2103   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
2104     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
2105   fi
2106   GLIB_REQUIRED=2.4
2107   GTK_REQUIRED=2.4
2108   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2109
2110   dnl Check if --with-pkg-config-prog has been given.
2111   if test "X${with_pkg_config_prog}" != X; then
2112     PKG_CONFIG="${with_pkg_config_prog}"
2113   fi
2114   dnl Checks for libraries.
2115   PKG_CHECK_MODULES(GTK, $GTK_MODULES)
2116   AC_SUBST(GTK_CFLAGS)
2117   AC_SUBST(GTK_LIBS)
2118   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2119   CFLAGS="$CFLAGS $GTK_CFLAGS"
2120   LIBS="$GTK_LIBS $LIBS"
2121   dnl Try to compile a simple GTK program.
2122   GTK_COMPILES=no
2123   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2124   if test "${GTK_COMPILES}" != "yes"; then
2125     AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
2126   fi
2127
2128   HAVE_GTK=yes
2129   AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
2130   USE_X_TOOLKIT=none
2131
2132   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2133   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
2134   if test "$with_toolkit_scroll_bars" != no; then
2135     with_toolkit_scroll_bars=yes
2136   fi
2137
2138   dnl  Check if we can use multiple displays with this GTK version.
2139   dnl  If gdk_display_open exists, assume all others are there also.
2140   HAVE_GTK_MULTIDISPLAY=no
2141   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
2142   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
2143     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
2144               [Define to 1 if GTK can handle more than one display.])
2145   fi
2146   dnl  Check if we have the old file selection dialog.
2147   dnl  If gdk_display_open exists, assume all others are there also.
2148   HAVE_GTK_FILE_SELECTION=no
2149   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
2150
2151   dnl  Check if we have the new file chooser dialog
2152   dnl  If gdk_display_open exists, assume all others are there also.
2153   HAVE_GTK_FILE_CHOOSER=no
2154   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
2155
2156   if test "$HAVE_GTK_FILE_SELECTION" = yes \
2157      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
2158     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
2159               [Define to 1 if GTK has both file selection and chooser dialog.])
2160   fi
2161
2162   dnl Check if pthreads are available.  Emacs only needs this when using
2163   dnl gtk_file_chooser under Gnome.
2164   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
2165     HAVE_GTK_AND_PTHREAD=no
2166     AC_CHECK_HEADERS(pthread.h)
2167     if test "$ac_cv_header_pthread_h"; then
2168       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
2169     fi
2170     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
2171       GTK_LIBS="$GTK_LIBS -lpthread"
2172       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
2173                [Define to 1 if you have GTK and pthread (-lpthread).])
2174     fi
2175   fi
2176 fi
2177
2178 ### Link with -lXft if available to work around a bug.
2179 HAVE_XFT=maybe
2180 if test "${HAVE_GTK}" = "yes"; then
2181   dnl Check if --with-pkg-config-prog has been given.
2182   if test "X${with_pkg_config_prog}" != X; then
2183     PKG_CONFIG="${with_pkg_config_prog}"
2184   fi
2185
2186   PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2187   if test "$HAVE_XFT" != no; then
2188     OLD_CFLAGS="$CPPFLAGS"
2189     OLD_CPPFLAGS="$CFLAGS"
2190     OLD_LIBS="$LIBS"
2191     CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2192     CFLAGS="$CFLAGS $XFT_CFLAGS"
2193     LIBS="$XFT_LIBS $LIBS"
2194     AC_CHECK_HEADER(X11/Xft/Xft.h,
2195       AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2196
2197     if test "${HAVE_XFT}" = "yes"; then
2198       AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2199       AC_SUBST(XFT_LIBS)
2200       C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2201     else
2202       CFLAGS="$OLD_CPPFLAGS"
2203       CFLAGS="$OLD_CFLAGS"
2204       LIBS="$OLD_LIBS"
2205     fi
2206   fi
2207 fi
2208
2209 dnl Do not put whitespace before the #include statements below.
2210 dnl Older compilers (eg sunos4 cc) choke on it.
2211 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2212   if test x"${HAVE_X11R5}" = xyes; then
2213     AC_MSG_CHECKING(X11 version 5 with Xaw)
2214     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
2215     [AC_TRY_LINK([
2216 #include <X11/Intrinsic.h>
2217 #include <X11/Xaw/Simple.h>],
2218       [],
2219       emacs_cv_x11_version_5_with_xaw=yes,
2220       emacs_cv_x11_version_5_with_xaw=no)])
2221     if test $emacs_cv_x11_version_5_with_xaw = yes; then
2222       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
2223       USE_X_TOOLKIT=LUCID
2224     else
2225       if test x"${USE_X_TOOLKIT}" = xLUCID; then
2226         AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2227       else
2228         AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
2229         USE_X_TOOLKIT=none
2230       fi
2231     fi
2232   else
2233     USE_X_TOOLKIT=none
2234   fi
2235 fi
2236
2237 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2238
2239 if test "${USE_X_TOOLKIT}" != "none"; then
2240   AC_MSG_CHECKING(X11 toolkit version)
2241   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2242   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2243 [#if XtSpecificationRelease < 6
2244 fail;
2245 #endif
2246 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2247   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2248   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2249     AC_MSG_RESULT(6 or newer)
2250     AC_DEFINE(HAVE_X11XTR6, 1,
2251               [Define to 1 if you have the X11R6 or newer version of Xt.])
2252   else
2253     AC_MSG_RESULT(before 6)
2254   fi
2255
2256 dnl If using toolkit, check whether libXmu.a exists.
2257 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2258   OLDLIBS="$LIBS"
2259   if test x$HAVE_X11XTR6 = xyes; then
2260     LIBS="-lXt -lSM -lICE $LIBS"
2261   else
2262     LIBS="-lXt $LIBS"
2263   fi
2264   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2265   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2266 fi
2267
2268 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2269 if test "${HAVE_X11}" = "yes"; then
2270   if test "${USE_X_TOOLKIT}" != "none"; then
2271     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2272   fi
2273 fi
2274
2275 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2276   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2277   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2278     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2279 int x = 5;
2280 #else
2281 Motif version prior to 2.1.
2282 #endif],
2283     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2284   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
2285   if test $emacs_cv_motif_version_2_1 = yes; then
2286     HAVE_LIBXP=no
2287     AC_DEFINE(HAVE_MOTIF_2_1, 1,
2288               [Define to 1 if you have Motif 2.1 or newer.])
2289     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
2290     if test ${HAVE_LIBXP} = yes; then
2291       AC_DEFINE(HAVE_LIBXP, 1,
2292                 [Define to 1 if you have the Xp library (-lXp).])
2293     fi
2294   else
2295     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2296     # We put this in CFLAGS temporarily to precede other -I options
2297     # that might be in CFLAGS temporarily.
2298     # We put this in CPPFLAGS where it precedes the other -I options.
2299     OLD_CPPFLAGS=$CPPFLAGS
2300     OLD_CFLAGS=$CFLAGS
2301     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2302     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2303     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2304       [int x = 5;],
2305       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2306     if test $emacs_cv_lesstif = yes; then
2307       # Make sure this -I option remains in CPPFLAGS after it is set
2308       # back to REAL_CPPFLAGS.
2309       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2310       # have those other -I options anyway.  Ultimately, having this
2311       # directory ultimately in CPPFLAGS will be enough.
2312       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2313       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2314     else
2315       CFLAGS=$OLD_CFLAGS
2316       CPPFLAGS=$OLD_CPPFLAGS
2317     fi
2318   fi
2319 fi
2320
2321 ### Is -lXaw3d available?
2322 HAVE_XAW3D=no
2323 if test "${HAVE_X11}" = "yes"; then
2324   if test "${USE_X_TOOLKIT}" != "none" && test "${with_toolkit_scroll_bars}" != "no"; then
2325     dnl Fixme: determine what Scrollbar.h needs to avoid compilation
2326     dnl errors from the test without the `-'.
2327     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
2328         [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes)], , -)
2329     if test "${HAVE_XAW3D}" = "yes"; then
2330         AC_DEFINE(HAVE_XAW3D, 1,
2331                   [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2332     fi
2333   fi
2334 fi
2335
2336 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2337 dnl using Motif or Xaw3d is available, and unless
2338 dnl --with-toolkit-scroll-bars=no was specified.
2339
2340 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2341             [Define to 1 if we should use toolkit scroll bars.])dnl
2342 USE_TOOLKIT_SCROLL_BARS=no
2343 if test "${with_toolkit_scroll_bars}" != "no"; then
2344   if test "${USE_X_TOOLKIT}" != "none"; then
2345     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2346       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2347       HAVE_XAW3D=no
2348       USE_TOOLKIT_SCROLL_BARS=yes
2349     elif test "${HAVE_XAW3D}" = "yes"; then
2350       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2351       USE_TOOLKIT_SCROLL_BARS=yes
2352     fi
2353   elif test "${HAVE_GTK}" = "yes"; then
2354     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2355     USE_TOOLKIT_SCROLL_BARS=yes
2356   elif test "${HAVE_CARBON}" = "yes"; then
2357     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2358     USE_TOOLKIT_SCROLL_BARS=yes
2359   fi
2360 fi
2361
2362 dnl See if XIM is available.
2363 AC_TRY_COMPILE([
2364           #include <X11/Xlib.h>
2365           #include <X11/Xresource.h>],
2366          [XIMProc  callback;],
2367          HAVE_XIM=yes
2368          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available]),
2369          HAVE_XIM=no)
2370
2371 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2372
2373 if test "${with_xim}" != "no"; then
2374   AC_DEFINE(USE_XIM, 1,
2375             [Define to 1 if we should use XIM, if it is available.])
2376 fi
2377
2378
2379 if test "${HAVE_XIM}" != "no"; then
2380   late_CFLAGS=$CFLAGS
2381   if test "$GCC" = yes; then
2382     CFLAGS="$CFLAGS --pedantic-errors"
2383   fi
2384   AC_TRY_COMPILE([
2385 #include <X11/Xlib.h>
2386 #include <X11/Xresource.h>],
2387 [Display *display;
2388 XrmDatabase db;
2389 char *res_name;
2390 char *res_class;
2391 XIMProc  callback;
2392 XPointer *client_data;
2393 #ifndef __GNUC__
2394 /* If we're not using GCC, it's probably not XFree86, and this is
2395    probably right, but we can't use something like --pedantic-errors.  */
2396 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2397                                            char*, XIMProc, XPointer*);
2398 #endif
2399 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2400    client_data);],
2401     [emacs_cv_arg6_star=yes])
2402   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2403          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2404 either XPointer or XPointer*.])dnl
2405   if test "$emacs_cv_arg6_star" = yes; then
2406     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2407   else
2408     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2409   fi
2410   CFLAGS=$late_CFLAGS
2411 fi
2412
2413 ### Use -lXpm if available, unless `--with-xpm=no'.
2414 HAVE_XPM=no
2415 if test "${HAVE_X11}" = "yes"; then
2416   if test "${with_xpm}" != "no"; then
2417     AC_CHECK_HEADER(X11/xpm.h,
2418       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
2419     if test "${HAVE_XPM}" = "yes"; then
2420       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2421       AC_EGREP_CPP(no_return_alloc_pixels,
2422       [#include "X11/xpm.h"
2423 #ifndef XpmReturnAllocPixels
2424 no_return_alloc_pixels
2425 #endif
2426       ], HAVE_XPM=no, HAVE_XPM=yes)
2427
2428       if test "${HAVE_XPM}" = "yes"; then
2429         AC_MSG_RESULT(yes)
2430       else
2431         AC_MSG_RESULT(no)
2432       fi
2433     fi
2434   fi
2435
2436   if test "${HAVE_XPM}" = "yes"; then
2437     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2438   fi
2439 fi
2440
2441 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2442 HAVE_JPEG=no
2443 if test "${HAVE_X11}" = "yes"; then
2444   if test "${with_jpeg}" != "no"; then
2445     dnl Checking for jpeglib.h can lose because of a redefinition of
2446     dnl  HAVE_STDLIB_H.
2447     AC_CHECK_HEADER(jerror.h,
2448       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
2449   fi
2450
2451   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2452   if test "${HAVE_JPEG}" = "yes"; then
2453     AC_DEFINE(HAVE_JPEG)
2454     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2455         [#include <jpeglib.h>
2456          version=JPEG_LIB_VERSION
2457 ],
2458         AC_DEFINE(HAVE_JPEG),
2459         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2460         HAVE_JPEG=no])
2461   fi
2462 fi
2463
2464 ### Use -lpng if available, unless `--with-png=no'.
2465 HAVE_PNG=no
2466 if test "${HAVE_X11}" = "yes"; then
2467   if test "${with_png}" != "no"; then
2468     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2469     # in /usr/include/libpng.
2470     AC_CHECK_HEADERS(png.h libpng/png.h)
2471     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2472       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2473     fi
2474   fi
2475
2476   if test "${HAVE_PNG}" = "yes"; then
2477     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2478   fi
2479 fi
2480
2481 ### Use -ltiff if available, unless `--with-tiff=no'.
2482 HAVE_TIFF=no
2483 if test "${HAVE_X11}" = "yes"; then
2484   if test "${with_tiff}" != "no"; then
2485     AC_CHECK_HEADER(tiffio.h,
2486       tifflibs="-lz -lm"
2487       # At least one tiff package requires the jpeg library.
2488       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2489       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
2490   fi
2491
2492   if test "${HAVE_TIFF}" = "yes"; then
2493     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2494   fi
2495 fi
2496
2497 ### Use -lgif if available, unless `--with-gif=no'.
2498 HAVE_GIF=no
2499 if test "${HAVE_X11}" = "yes"; then
2500   if test "${with_gif}" != "no"; then
2501     AC_CHECK_HEADER(gif_lib.h,
2502 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2503 # Earlier versions can crash Emacs.
2504       AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
2505   fi
2506
2507   if test "${HAVE_GIF}" = "yes"; then
2508     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have the ungif library (-lungif).])
2509   fi
2510 fi
2511
2512 ### Use -lgpm if available, unless `--with-gpm=no'.
2513 HAVE_GPM=no
2514 if test "${with_gpm}" != "no"; then
2515   AC_CHECK_HEADER(gpm.h,
2516     AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes))
2517 fi
2518
2519 if test "${HAVE_GPM}" = "yes"; then
2520   AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2521 fi
2522
2523 dnl Check for malloc/malloc.h on darwin
2524 AC_CHECK_HEADER(malloc/malloc.h, AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.]))
2525
2526 ### Use Mac OS X Carbon API to implement GUI.
2527 if test "${HAVE_CARBON}" = "yes"; then
2528   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2529   ## Specify the install directory
2530   carbon_appdir=
2531   if test "${carbon_appdir_x}" != ""; then
2532     case ${carbon_appdir_x} in
2533       y | ye | yes)  carbon_appdir=/Applications ;;
2534       * ) carbon_appdir=${carbon_appdir_x} ;;
2535     esac
2536   fi
2537   # We also have mouse menus.
2538   HAVE_MENUS=yes
2539 fi
2540
2541 ### Use session management (-lSM -lICE) if available
2542 HAVE_X_SM=no
2543 if test "${HAVE_X11}" = "yes"; then
2544   AC_CHECK_HEADER(X11/SM/SMlib.h,
2545     AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE))
2546
2547   if test "${HAVE_X_SM}" = "yes"; then
2548     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2549     case "$LIBS" in
2550       *-lSM*) ;;
2551       *)      LIBS="-lSM -lICE $LIBS" ;;
2552     esac
2553   fi
2554 fi
2555
2556 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2557 AC_CACHE_CHECK(whether netdb declares h_errno,
2558                emacs_cv_netdb_declares_h_errno,
2559 [AC_TRY_LINK([#include <netdb.h>],
2560   [return h_errno;],
2561   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2562 if test $emacs_cv_netdb_declares_h_errno = yes; then
2563   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2564 fi
2565
2566 AC_FUNC_ALLOCA
2567
2568 # fmod, logb, and frexp are found in -lm on most systems.
2569 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2570 AC_CHECK_LIB(m, sqrt)
2571
2572 # Check for mail-locking functions in a "mail" library.  Probably this should
2573 # have the same check as for liblockfile below.
2574 AC_CHECK_LIB(mail, maillock)
2575 dnl Debian, at least:
2576 AC_CHECK_LIB(lockfile, maillock)
2577 # If we have the shared liblockfile, assume we must use it for mail
2578 # locking (e.g. Debian).  If we couldn't link against liblockfile
2579 # (no liblockfile.a installed), ensure that we don't need to.
2580 if test "$ac_cv_lib_lockfile_maillock" = no; then
2581   dnl This works for files generally, not just executables.
2582   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2583   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2584                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2585   if test $ac_cv_prog_liblockfile = yes; then
2586     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2587 This probably means that movemail could lose mail.
2588 There may be a `development' package to install containing liblockfile.])
2589   else :
2590   fi
2591 fi
2592 AC_CHECK_FUNCS(touchlock)
2593 AC_CHECK_HEADERS(maillock.h)
2594
2595 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2596 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2597 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
2598 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2599 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2600 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2601 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2602 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2603 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2604
2605 AC_CHECK_HEADERS(sys/un.h)
2606
2607 AC_FUNC_MKTIME
2608 if test "$ac_cv_func_working_mktime" = no; then
2609   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2610 fi
2611
2612 AC_FUNC_GETLOADAVG
2613
2614 AC_FUNC_FSEEKO
2615
2616 # Configure getopt.
2617 m4_include([m4/getopt.m4])
2618 gl_GETOPT_IFELSE([
2619   gl_GETOPT_SUBSTITUTE_HEADER
2620   gl_PREREQ_GETOPT
2621   GETOPTOBJS='getopt.o getopt1.o'
2622 ])
2623 AC_SUBST(GETOPTOBJS)
2624
2625 AC_FUNC_GETPGRP
2626
2627 AC_FUNC_STRFTIME
2628
2629 # UNIX98 PTYs.
2630 AC_CHECK_FUNCS(grantpt)
2631
2632 # PTY-related GNU extensions.
2633 AC_CHECK_FUNCS(getpt)
2634
2635 # Check this now, so that we will NOT find the above functions in ncurses.
2636 # That is because we have not set up to link ncurses in lib-src.
2637 # It's better to believe a function is not available
2638 # than to expect to find it in ncurses.
2639 AC_CHECK_LIB(ncurses, tparm)
2640
2641 # Do we need the Hesiod library to provide the support routines?
2642 if test "$with_hesiod" = yes ; then
2643   # Don't set $LIBS here -- see comments above.
2644   resolv=no
2645   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2646      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2647                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2648   if test "$resolv" = yes ; then
2649     RESOLVLIB=-lresolv
2650     AC_DEFINE(HAVE_LIBRESOLV, 1,
2651               [Define to 1 if you have the resolv library (-lresolv).])
2652   else
2653     RESOLVLIB=
2654   fi
2655   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2656         AC_DEFINE(HAVE_LIBHESIOD, 1,
2657                   [Define to 1 if you have the hesiod library (-lhesiod).]),
2658         :, $RESOLVLIB)])
2659 fi
2660
2661 # These tell us which Kerberos-related libraries to use.
2662 if test "${with_kerberos+set}" = set; then
2663   AC_CHECK_LIB(com_err, com_err)
2664   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2665   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2666   AC_CHECK_LIB(krb5, krb5_init_context)
2667   if test "${with_kerberos5+set}" != set; then
2668     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2669                  AC_CHECK_LIB(des, des_cbc_encrypt))
2670     AC_CHECK_LIB(krb4, krb_get_cred,,
2671                  AC_CHECK_LIB(krb, krb_get_cred))
2672   fi
2673
2674   if test "${with_kerberos5+set}" = set; then
2675     AC_CHECK_HEADERS(krb5.h)
2676   else
2677     AC_CHECK_HEADERS(des.h,,
2678                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2679                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2680     AC_CHECK_HEADERS(krb.h,,
2681                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2682                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2683   fi
2684   AC_CHECK_HEADERS(com_err.h)
2685 fi
2686
2687 # Solaris requires -lintl if you want strerror (which calls dgettext)
2688 # to return localized messages.
2689 AC_CHECK_LIB(intl, dgettext)
2690
2691 AC_MSG_CHECKING(whether localtime caches TZ)
2692 AC_CACHE_VAL(emacs_cv_localtime_cache,
2693 [if test x$ac_cv_func_tzset = xyes; then
2694 AC_TRY_RUN([#include <time.h>
2695 extern char **environ;
2696 unset_TZ ()
2697 {
2698   char **from, **to;
2699   for (to = from = environ; (*to = *from); from++)
2700     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2701       to++;
2702 }
2703 char TZ_GMT0[] = "TZ=GMT0";
2704 char TZ_PST8[] = "TZ=PST8";
2705 main()
2706 {
2707   time_t now = time ((time_t *) 0);
2708   int hour_GMT0, hour_unset;
2709   if (putenv (TZ_GMT0) != 0)
2710     exit (1);
2711   hour_GMT0 = localtime (&now)->tm_hour;
2712   unset_TZ ();
2713   hour_unset = localtime (&now)->tm_hour;
2714   if (putenv (TZ_PST8) != 0)
2715     exit (1);
2716   if (localtime (&now)->tm_hour == hour_GMT0)
2717     exit (1);
2718   unset_TZ ();
2719   if (localtime (&now)->tm_hour != hour_unset)
2720     exit (1);
2721   exit (0);
2722 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2723 [# If we have tzset, assume the worst when cross-compiling.
2724 emacs_cv_localtime_cache=yes])
2725 else
2726         # If we lack tzset, report that localtime does not cache TZ,
2727         # since we can't invalidate the cache if we don't have tzset.
2728         emacs_cv_localtime_cache=no
2729 fi])dnl
2730 AC_MSG_RESULT($emacs_cv_localtime_cache)
2731 if test $emacs_cv_localtime_cache = yes; then
2732   AC_DEFINE(LOCALTIME_CACHE, 1,
2733             [Define to 1 if localtime caches TZ.])
2734 fi
2735
2736 if test "x$HAVE_TIMEVAL" = xyes; then
2737   AC_CHECK_FUNCS(gettimeofday)
2738   if test $ac_cv_func_gettimeofday = yes; then
2739     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2740                    emacs_cv_gettimeofday_two_arguments,
2741     [AC_TRY_COMPILE([
2742 #ifdef TIME_WITH_SYS_TIME
2743 #include <sys/time.h>
2744 #include <time.h>
2745 #else
2746 #ifdef HAVE_SYS_TIME_H
2747 #include <sys/time.h>
2748 #else
2749 #include <time.h>
2750 #endif
2751 #endif],
2752       [struct timeval time;
2753        gettimeofday (&time, 0);],
2754       emacs_cv_gettimeofday_two_arguments=yes,
2755       emacs_cv_gettimeofday_two_arguments=no)])
2756     if test $emacs_cv_gettimeofday_two_arguments = no; then
2757       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2758                 [Define to 1 if gettimeofday accepts only one argument.])
2759     fi
2760   fi
2761 fi
2762
2763 ok_so_far=yes
2764 AC_CHECK_FUNC(socket, , ok_so_far=no)
2765 if test $ok_so_far = yes; then
2766   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2767 fi
2768 if test $ok_so_far = yes; then
2769   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2770 fi
2771 if test $ok_so_far = yes; then
2772 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2773   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2774             [Define to 1 if you have inet sockets.])
2775 fi
2776
2777 AC_CHECK_HEADERS(sys/ioctl.h)
2778
2779 if test -f /usr/lpp/X11/bin/smt.exp; then
2780   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2781             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2782 fi
2783
2784 AC_MSG_CHECKING(whether system supports dynamic ptys)
2785 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2786   AC_MSG_RESULT(yes)
2787   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2788 else
2789   AC_MSG_RESULT(no)
2790 fi
2791
2792 AC_FUNC_FORK
2793
2794 dnl Adapted from Haible's version.
2795 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2796   [AC_TRY_LINK([#include <langinfo.h>],
2797     [char* cs = nl_langinfo(CODESET);],
2798     emacs_cv_langinfo_codeset=yes,
2799     emacs_cv_langinfo_codeset=no)
2800   ])
2801 if test $emacs_cv_langinfo_codeset = yes; then
2802   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2803     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2804 fi
2805
2806 AC_CHECK_TYPES(size_t)
2807
2808 AC_TYPE_MBSTATE_T
2809
2810 dnl Restrict could probably be used effectively other than in regex.c.
2811 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2812   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2813                   emacs_cv_c_restrict=yes,
2814                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2815                                   emacs_cv_c_restrict=__restrict,
2816                                   emacs_cv_c_restrict=no)])])
2817 case "$emacs_cv_c_restrict" in
2818   yes) emacs_restrict=restrict;;
2819   no) emacs_restrict="";;
2820   *) emacs_restrict="$emacs_cv_c_restrict";;
2821 esac
2822 if test "$emacs_restrict" != __restrict; then
2823   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2824     [Define to compiler's equivalent of C99 restrict keyword.
2825      Don't define if equivalent is `__restrict'.])
2826 fi
2827
2828 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2829   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2830                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2831 if test "$emacs_cv_c_restrict_arr" = yes; then
2832   AC_DEFINE(__restrict_arr, __restrict,
2833     [Define to compiler's equivalent of C99 restrict keyword in array
2834      declarations.  Define as empty for no equivalent.])
2835 fi
2836
2837 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2838 dnl how the tty code is related to POSIX and/or other versions of termios.
2839 dnl The following looks like a useful start.
2840 dnl
2841 dnl AC_SYS_POSIX_TERMIOS
2842 dnl if test $ac_cv_sys_posix_termios = yes; then
2843 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2844 dnl                                and macros for terminal control.])
2845 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2846 dnl fi
2847
2848 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2849
2850 # Set up the CFLAGS for real compilation, so we can substitute it.
2851 CFLAGS="$REAL_CFLAGS"
2852 CPPFLAGS="$REAL_CPPFLAGS"
2853
2854 #### Find out which version of Emacs this is.
2855 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2856          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2857 if test x"${version}" = x; then
2858   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2859 fi
2860
2861 ### Specify what sort of things we'll be editing into Makefile and config.h.
2862 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2863 AC_SUBST(version)
2864 AC_SUBST(configuration)
2865 AC_SUBST(canonical)
2866 AC_SUBST(srcdir)
2867 AC_SUBST(prefix)
2868 AC_SUBST(exec_prefix)
2869 AC_SUBST(bindir)
2870 AC_SUBST(datadir)
2871 AC_SUBST(sharedstatedir)
2872 AC_SUBST(libexecdir)
2873 AC_SUBST(mandir)
2874 AC_SUBST(infodir)
2875 AC_SUBST(lispdir)
2876 AC_SUBST(locallisppath)
2877 AC_SUBST(lisppath)
2878 AC_SUBST(x_default_search_path)
2879 AC_SUBST(etcdir)
2880 AC_SUBST(archlibdir)
2881 AC_SUBST(docdir)
2882 AC_SUBST(bitmapdir)
2883 AC_SUBST(gamedir)
2884 AC_SUBST(gameuser)
2885 AC_SUBST(c_switch_system)
2886 AC_SUBST(c_switch_machine)
2887 AC_SUBST(LD_SWITCH_X_SITE)
2888 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2889 AC_SUBST(C_SWITCH_X_SITE)
2890 AC_SUBST(CFLAGS)
2891 AC_SUBST(X_TOOLKIT_TYPE)
2892 AC_SUBST(machfile)
2893 AC_SUBST(opsysfile)
2894 AC_SUBST(GETLOADAVG_LIBS)
2895 AC_SUBST(carbon_appdir)
2896
2897 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2898                    [Define to the canonical Emacs configuration name.])
2899 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2900                    [Define to the options passed to configure.])
2901 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2902                    [Define to the used machine dependent file.])
2903 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2904                    [Define to the used os dependent file.])
2905 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2906 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2907  may need to deal with X Windows.  For instance, if you've defined
2908  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2909  your loader can find on its own, you might want to add "-L/..." or
2910  something similar.])
2911 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2912                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2913                     in case it's needed (for Solaris, for example).])
2914 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2915 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2916  may need to deal with X Windows.  For instance, if you've defined
2917  HAVE_X_WINDOWS above and your X include files aren't in a place
2918  that your compiler can find on its own, you might want to add
2919  "-I/..." or something similar.])
2920 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2921                    [Define to the unexec source file name.])
2922
2923 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2924   AC_DEFINE(HAVE_X_WINDOWS, 1,
2925             [Define to 1 if you want to use the X window system.])
2926 fi
2927 if test "${USE_X_TOOLKIT}" != "none" ; then
2928   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2929 fi
2930 if test "${HAVE_X11}" = "yes" ; then
2931   AC_DEFINE(HAVE_X11, 1,
2932             [Define to 1 if you want to use version 11 of X windows.
2933              Otherwise, Emacs expects to use version 10.])
2934 fi
2935 if test "${HAVE_XFREE386}" = "yes" ; then
2936   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2937 fi
2938 if test "${HAVE_MENUS}" = "yes" ; then
2939   AC_DEFINE(HAVE_MENUS, 1,
2940             [Define to 1 if you have mouse menus.
2941              (This is automatic if you use X, but the option to specify it remains.)
2942              It is also defined with other window systems that support xmenu.c.])
2943 fi
2944 if test "${GNU_MALLOC}" = "yes" ; then
2945   AC_DEFINE(GNU_MALLOC, 1,
2946             [Define to 1 if you want to use the GNU memory allocator.])
2947 fi
2948 if test "${REL_ALLOC}" = "yes" ; then
2949   AC_DEFINE(REL_ALLOC, 1,
2950             [Define REL_ALLOC if you want to use the relocating allocator for
2951              buffer space.])
2952 fi
2953
2954 AH_TOP([/* GNU Emacs site configuration template file.
2955    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
2956              Free Software Foundation, Inc.
2957
2958 This file is part of GNU Emacs.
2959
2960 GNU Emacs is free software; you can redistribute it and/or modify
2961 it under the terms of the GNU General Public License as published by
2962 the Free Software Foundation; either version 2, or (at your option)
2963 any later version.
2964
2965 GNU Emacs is distributed in the hope that it will be useful,
2966 but WITHOUT ANY WARRANTY; without even the implied warranty of
2967 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2968 GNU General Public License for more details.
2969
2970 You should have received a copy of the GNU General Public License
2971 along with GNU Emacs; see the file COPYING.  If not, write to the
2972 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
2973 Boston, MA 02110-1301, USA.  */
2974
2975
2976 /* No code in Emacs #includes config.h twice, but some bits of code
2977    intended to work with other packages as well (like gmalloc.c)
2978    think they can include it as many times as they like.  */
2979 #ifndef EMACS_CONFIG_H
2980 #define EMACS_CONFIG_H
2981 ])dnl
2982
2983 AH_BOTTOM([
2984 /* If we're using any sort of window system, define some consequences.  */
2985 #ifdef HAVE_X_WINDOWS
2986 #define HAVE_WINDOW_SYSTEM
2987 #define MULTI_KBOARD
2988 #define HAVE_MOUSE
2989 #endif
2990
2991 /* If we're using the Carbon API on Mac OS X, define a few more
2992    variables as well.  */
2993 #ifdef HAVE_CARBON
2994 #define HAVE_WINDOW_SYSTEM
2995 #define HAVE_MOUSE
2996 #endif
2997
2998 /* Define USER_FULL_NAME to return a string
2999    that is the user's full name.
3000    It can assume that the variable `pw'
3001    points to the password file entry for this user.
3002
3003    At some sites, the pw_gecos field contains
3004    the user's full name.  If neither this nor any other
3005    field contains the right thing, use pw_name,
3006    giving the user's login name, since that is better than nothing.  */
3007 #define USER_FULL_NAME pw->pw_gecos
3008
3009 /* Define AMPERSAND_FULL_NAME if you use the convention
3010    that & in the full name stands for the login id.  */
3011 /* Turned on June 1996 supposing nobody will mind it.  */
3012 #define AMPERSAND_FULL_NAME
3013
3014 /* We have blockinput.h.  */
3015 #define DO_BLOCK_INPUT
3016
3017 /* Define HAVE_SOUND if we have sound support.  We know it works
3018    and compiles only on the specified platforms.   For others,
3019    it probably doesn't make sense to try.  */
3020
3021 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
3022 #ifdef HAVE_MACHINE_SOUNDCARD_H
3023 #define HAVE_SOUND 1
3024 #endif
3025 #ifdef HAVE_SYS_SOUNDCARD_H
3026 #define HAVE_SOUND 1
3027 #endif
3028 #ifdef HAVE_SOUNDCARD_H
3029 #define HAVE_SOUND 1
3030 #endif
3031 #ifdef HAVE_ALSA
3032 #define HAVE_SOUND 1
3033 #endif
3034 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
3035
3036 /* If using GNU, then support inline function declarations. */
3037 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3038    generally, because even if non-gcc compilers accept `inline', they
3039    may reject `extern inline'.  */
3040 #if defined (__GNUC__) && defined (OPTIMIZE)
3041 #define INLINE __inline__
3042 #else
3043 #define INLINE
3044 #endif
3045
3046 /* Include the os and machine dependent files.  */
3047 #include config_opsysfile
3048 #include config_machfile
3049
3050 /* Load in the conversion definitions if this system
3051    needs them and the source file being compiled has not
3052    said to inhibit this.  There should be no need for you
3053    to alter these lines.  */
3054
3055 #ifdef SHORTNAMES
3056 #ifndef NO_SHORTNAMES
3057 #include "../shortnames/remap.h"
3058 #endif /* not NO_SHORTNAMES */
3059 #endif /* SHORTNAMES */
3060
3061 /* If no remapping takes place, static variables cannot be dumped as
3062    pure, so don't worry about the `static' keyword. */
3063 #ifdef NO_REMAP
3064 #undef static
3065 #endif
3066
3067 /* Define `subprocesses' should be defined if you want to
3068    have code for asynchronous subprocesses
3069    (as used in M-x compile and M-x shell).
3070    These do not work for some USG systems yet;
3071    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
3072
3073 #ifndef VMS
3074 #ifndef USG
3075 /* #define subprocesses */
3076 #endif
3077 #endif
3078
3079 /* SIGTYPE is the macro we actually use.  */
3080 #ifndef SIGTYPE
3081 #define SIGTYPE RETSIGTYPE
3082 #endif
3083
3084 #ifdef emacs /* Don't do this for lib-src.  */
3085 /* Tell regex.c to use a type compatible with Emacs.  */
3086 #define RE_TRANSLATE_TYPE Lisp_Object
3087 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3088 #ifdef make_number
3089 /* If make_number is a macro, use it.  */
3090 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3091 #else
3092 /* If make_number is a function, avoid it.  */
3093 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3094 #endif
3095 #endif
3096
3097 /* Avoid link-time collision with system mktime if we will use our own.  */
3098 #if ! HAVE_MKTIME || BROKEN_MKTIME
3099 #define mktime emacs_mktime
3100 #endif
3101
3102 #define my_strftime nstrftime   /* for strftime.c */
3103
3104 /* The rest of the code currently tests the CPP symbol BSTRING.
3105    Override any claims made by the system-description files.
3106    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
3107 #undef BSTRING
3108 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
3109 #define BSTRING
3110 #endif
3111
3112 /* Some of the files of Emacs which are intended for use with other
3113    programs assume that if you have a config.h file, you must declare
3114    the type of getenv.
3115
3116    This declaration shouldn't appear when alloca.s or Makefile.in
3117    includes config.h.  */
3118 #ifndef NOT_C_CODE
3119 extern char *getenv ();
3120 #endif
3121
3122 /* These default definitions are good for almost all machines.
3123    The exceptions override them in m/MACHINE.h.  */
3124
3125 #ifndef BITS_PER_CHAR
3126 #define BITS_PER_CHAR 8
3127 #endif
3128
3129 #ifndef BITS_PER_SHORT
3130 #define BITS_PER_SHORT 16
3131 #endif
3132
3133 /* Note that lisp.h uses this in a preprocessor conditional, so it
3134    would not work to use sizeof.  That being so, we do all of them
3135    without sizeof, for uniformity's sake.  */
3136 #ifndef BITS_PER_INT
3137 #define BITS_PER_INT 32
3138 #endif
3139
3140 #ifndef BITS_PER_LONG
3141 #ifdef _LP64
3142 #define BITS_PER_LONG 64
3143 #else
3144 #define BITS_PER_LONG 32
3145 #endif
3146 #endif
3147
3148 /* Define if the compiler supports function prototypes.  It may do so
3149    but not define __STDC__ (e.g. DEC C by default) or may define it as
3150    zero.  */
3151 #undef PROTOTYPES
3152 /* For mktime.c:  */
3153 #ifndef __P
3154 # if defined PROTOTYPES
3155 #  define __P(args) args
3156 # else
3157 #  define __P(args) ()
3158 # endif  /* GCC.  */
3159 #endif /* __P */
3160
3161 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
3162 #ifndef NOT_C_CODE
3163 #ifdef HAVE_STRING_H
3164 #include "string.h"
3165 #endif
3166 #ifdef HAVE_STRINGS_H
3167 #include "strings.h"  /* May be needed for bcopy & al. */
3168 #endif
3169 #ifdef HAVE_STDLIB_H
3170 #include <stdlib.h>
3171 #endif
3172 #ifndef __GNUC__
3173 # ifdef HAVE_ALLOCA_H
3174 #  include <alloca.h>
3175 # else /* AIX files deal with #pragma.  */
3176 #  ifndef alloca /* predefined by HP cc +Olibcalls */
3177 char *alloca ();
3178 #  endif
3179 # endif /* HAVE_ALLOCA_H */
3180 #endif /* __GNUC__ */
3181 #ifndef HAVE_SIZE_T
3182 typedef unsigned size_t;
3183 #endif
3184 #endif /* NOT_C_CODE */
3185
3186 /* Define HAVE_X_I18N if we have usable i18n support.  */
3187
3188 #ifdef HAVE_X11R6
3189 #define HAVE_X_I18N
3190 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
3191 #define HAVE_X_I18N
3192 #endif
3193
3194 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
3195
3196 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3197 #define HAVE_X11R6_XIM
3198 #endif
3199
3200 /* Should we enable expensive run-time checking of data types?  */
3201 #undef ENABLE_CHECKING
3202
3203 #if defined __GNUC__ && (__GNUC__ > 2 \
3204                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3205 #define NO_RETURN       __attribute__ ((__noreturn__))
3206 #else
3207 #define NO_RETURN       /* nothing */
3208 #endif
3209
3210 /* These won't be used automatically yet.  We also need to know, at least,
3211    that the stack is continuous.  */
3212 #ifdef __GNUC__
3213 #  ifndef GC_SETJMP_WORKS
3214   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
3215      see NON_SAVING_SETJMP in the target descriptions.  */
3216   /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
3217      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
3218      Fixme: Deal with ns32k, SVR3.  */
3219 #    define GC_SETJMP_WORKS 1
3220 #  endif
3221 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3222 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3223 #  endif
3224 #endif
3225
3226 #ifndef HAVE_BCOPY
3227 #define bcopy(a,b,s) memcpy (b,a,s)
3228 #endif
3229 #ifndef HAVE_BZERO
3230 #define bzero(a,s) memset (a,0,s)
3231 #endif
3232 #ifndef HAVE_BCMP
3233 #define BCMP memcmp
3234 #endif
3235
3236 #endif /* EMACS_CONFIG_H */
3237
3238 /*
3239 Local Variables:
3240 mode: c
3241 End:
3242 */
3243 ])dnl
3244
3245 #### Report on what we decided to do.
3246 #### Report GTK as a toolkit, even if it doesn't use Xt.
3247 #### It makes printing result more understandable as using GTK sets
3248 #### toolkit_scroll_bars to yes by default.
3249 if test "${HAVE_GTK}" = "yes"; then
3250   USE_X_TOOLKIT=GTK
3251 fi
3252
3253 echo "
3254 Configured for \`${canonical}'.
3255
3256   Where should the build process find the source code?    ${srcdir}
3257   What operating system and machine description files should Emacs use?
3258         \`${opsysfile}' and \`${machfile}'
3259   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3260   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3261   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3262   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3263   What window system should Emacs use?                    ${window_system}
3264   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3265
3266 if test -n "${x_includes}"; then
3267 echo "  Where do we find X Windows header files?                ${x_includes}"
3268 else
3269 echo "  Where do we find X Windows header files?                Standard dirs"
3270 fi
3271 if test -n "${x_libraries}"; then
3272 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3273 else
3274 echo "  Where do we find X Windows libraries?                   Standard dirs"
3275 fi
3276
3277 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3278 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3279 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3280 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3281 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
3282 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3283 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
3284 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3285 echo
3286
3287 if test $USE_XASSERTS = yes; then
3288    echo "  Compiling with asserts turned on."
3289    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3290    echo
3291 fi
3292
3293 if test "$USE_X_TOOLKIT" = GTK; then
3294   case "$canonical" in
3295   *cygwin*)
3296     echo "There are known problems with Emacs and Gtk+ on cygwin, so you
3297   will probably get a crash on startup.  If this happens, please use another
3298   toolkit for Emacs.  See etc/PROBLEMS for more information."
3299   ;;
3300   esac
3301 fi
3302
3303
3304
3305 # Remove any trailing slashes in these variables.
3306 [test "${prefix}" != NONE &&
3307   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3308 test "${exec_prefix}" != NONE &&
3309   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3310
3311 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3312 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3313 ## from Makefile.c can correctly provide the arg `-traditional' to the
3314 ## C preprocessor.
3315
3316 AC_EGREP_CPP(yes..yes,
3317         [yes..yes],
3318         CPP_NEED_TRADITIONAL=no,
3319         CPP_NEED_TRADITIONAL=yes)
3320
3321 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3322         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
3323         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
3324
3325 ### Make the necessary directories, if they don't exist.
3326 for dir in etc lisp ; do
3327   test -d ${dir} || mkdir ${dir}
3328 done
3329
3330 # Build src/Makefile from ${srcdir}/src/Makefile.c
3331 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3332 # This must be done after src/config.h is built, since we rely on that file.
3333
3334 # Now get this: Some word that is part of the ${srcdir} directory name
3335 # or the ${configuration} value might, just might, happen to be an
3336 # identifier like `sun4' or `i386' or something, and be predefined by
3337 # the C preprocessor to some helpful value like 1, or maybe the empty
3338 # string.  Needless to say consequent macro substitutions are less
3339 # than conducive to the makefile finding the correct directory.
3340 [undefs="`echo $top_srcdir $configuration $canonical |
3341 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3342     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3343 `"]
3344
3345 echo creating src/epaths.h
3346 ${MAKE-make} epaths-force
3347
3348 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3349 # `..' to `. .'  unless invoked with -traditional
3350
3351 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3352   CPPFLAGS="$CPPFLAGS -traditional"
3353 fi
3354
3355 echo creating lib-src/Makefile
3356 ( cd lib-src
3357   rm -f junk.c junk1.c junk2.c
3358   sed -e '/start of cpp stuff/q' \
3359       < Makefile.c > junk1.c
3360   sed -e '1,/start of cpp stuff/d'\
3361       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3362       < Makefile.c > junk.c
3363   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3364       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3365   cat junk1.c junk2.c > Makefile.new
3366   rm -f junk.c junk1.c junk2.c
3367   chmod 444 Makefile.new
3368   mv -f Makefile.new Makefile
3369 )
3370
3371 echo creating src/Makefile
3372 ( cd src
3373   rm -f junk.c junk1.c junk2.c
3374   sed -e '/start of cpp stuff/q' \
3375       < Makefile.c > junk1.c
3376   sed -e '1,/start of cpp stuff/d'\
3377       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3378       < Makefile.c > junk.c
3379   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3380       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3381   cat junk1.c junk2.c > Makefile.new
3382   rm -f junk.c junk1.c junk2.c
3383   chmod 444 Makefile.new
3384   mv -f Makefile.new Makefile
3385 )
3386
3387 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3388   echo creating src/.gdbinit
3389   echo source $srcdir/src/.gdbinit > src/.gdbinit
3390 fi
3391
3392 # This is how we know whether to re-run configure in certain cases.
3393 touch src/config.stamp
3394
3395 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3396
3397 m4_if(dnl       Do not change this comment
3398    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3399 )dnl