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,
   7 dnl    2004, 2005, 2006, 2007, 2008  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 3, or (at your option)
  14 dnl  any later version.
  15 dnl
  16 dnl  GNU Emacs is distributed in the hope that it will be useful,
  17 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 dnl  GNU General Public License for more details.
  20 dnl
  21 dnl  You should have received a copy of the GNU General Public License
  22 dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
  23 dnl  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 dnl  Boston, MA 02110-1301, USA.
  25
  26 AC_PREREQ(2.61)dnl
  27 AC_INIT(src/lisp.h)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29
  30 dnl Support for --program-prefix, --program-suffix and
  31 dnl --program-transform-name options
  32 AC_ARG_PROGRAM
  33
  34 lispdir='${datadir}/emacs/${version}/lisp'
  35 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  36 '${datadir}/emacs/site-lisp'
  37 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
  38 etcdir='${datadir}/emacs/${version}/etc'
  39 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  40 docdir='${datadir}/emacs/${version}/etc'
  41 gamedir='${localstatedir}/games/emacs'
  42
  43 gameuser=games
  44
  45 AC_ARG_WITH(gcc,
  46 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  47 AC_ARG_WITH(pop,
  48 [  --without-pop           don't support POP mail retrieval with movemail],
  49 [if test "$withval" = yes; then
  50    AC_DEFINE(MAIL_USE_POP)
  51 else :
  52 fi],
  53 AC_DEFINE(MAIL_USE_POP))
  54 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  55 AC_ARG_WITH(kerberos,
  56 [  --with-kerberos         support Kerberos-authenticated POP],
  57 [if test "$withval" = yes; then
  58    AC_DEFINE(KERBEROS)
  59 fi])
  60 AH_TEMPLATE(KERBEROS,
  61             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  62 AC_ARG_WITH(kerberos5,
  63 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  64 [if test "${with_kerberos5+set}" = set; then
  65   if test "${with_kerberos+set}" != set; then
  66     with_kerberos=yes
  67     AC_DEFINE(KERBEROS)
  68   fi
  69   AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
  70 fi])
  71 AC_ARG_WITH(hesiod,
  72 [  --with-hesiod           support Hesiod to get the POP server host],
  73 [if test "$withval" = yes; then
  74   AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
  75 fi])
  76
  77 AC_ARG_WITH(sound,
  78 [  --without-sound         don't compile with sound support])
  79
  80 dnl This should be the last --with option, because --with-x is
  81 dnl added later on when we find the path of X, and it's best to
  82 dnl keep them together visually.
  83 AC_ARG_WITH(x-toolkit,
  84 [  --with-x-toolkit=KIT    use an X toolkit
  85                               (KIT = yes/lucid/athena/motif/gtk/no)],
  86 [         case "${withval}" in
  87             y | ye | yes )      val=athena ;;
  88             n | no )            val=no  ;;
  89             l | lu | luc | luci | lucid )       val=lucid ;;
  90             a | at | ath | athe | athen | athena )      val=athena ;;
  91             m | mo | mot | moti | motif )       val=motif ;;
  92             g | gt | gtk  )     val=gtk ;;
  93 dnl These don't currently work.
  94 dnl         o | op | ope | open | open- | open-l | open-lo \
  95 dnl             | open-loo | open-look )        val=open-look ;;
  96             * )
  97 dnl AC_MSG_ERROR([the `--with-x-toolkit' option is supposed to have a value
  98 dnl which is `yes', `no', `lucid', `athena', `motif' or `open-look'.])
  99 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid\;
 100 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
 101 Currently, `yes', `athena' and `lucid' are synonyms.])
 102             ;;
 103           esac
 104           with_x_toolkit=$val
 105 ])
 106 AC_ARG_WITH(xpm,
 107 [  --with-xpm              use -lXpm for displaying XPM images])
 108 AC_ARG_WITH(jpeg,
 109 [  --with-jpeg             use -ljpeg for displaying JPEG images])
 110 AC_ARG_WITH(tiff,
 111 [  --with-tiff             use -ltiff for displaying TIFF images])
 112 AC_ARG_WITH(gif,
 113 [  --with-gif              use -lungif for displaying GIF images])
 114 AC_ARG_WITH(png,
 115 [  --with-png              use -lpng for displaying PNG images])
 116 AC_ARG_WITH(gtk,
 117 [  --with-gtk              use GTK (same as --with-x-toolkit=gtk)])
 118 AC_ARG_WITH(pkg-config-prog,
 119 [  --with-pkg-config-prog  Path to pkg-config to use for finding GTK])
 120 AC_ARG_WITH(toolkit-scroll-bars,
 121 [  --without-toolkit-scroll-bars
 122                           don't use Motif or Xaw3d scroll bars])
 123 AC_ARG_WITH(xim,
 124 [  --without-xim           don't use X11 XIM])
 125 AC_ARG_WITH(carbon,
 126 [  --without-carbon        don't use Carbon GUI on Mac OS X])
 127 AC_ARG_ENABLE(carbon-app,
 128 [[  --enable-carbon-app[=DIR]  [DIR=/Application]
 129                           specify install directory for Emacs.app on Mac OS X]],
 130 [ carbon_appdir_x=${enableval}])
 131
 132 AC_ARG_ENABLE(asserts,
 133 [  --enable-asserts        compile code with asserts enabled],
 134       USE_XASSERTS=$enableval,
 135       USE_XASSERTS=no)
 136
 137 AC_ARG_ENABLE(maintainer-mode,
 138 [  --enable-maintainer-mode enable make rules and dependencies not useful
 139                           (and sometimes confusing) to the casual installer],
 140       USE_MAINTAINER_MODE=$enableval,
 141       USE_MAINTAINER_MODE=no)
 142 if test $USE_MAINTAINER_MODE = yes; then
 143   MAINT=
 144 else
 145   MAINT=#
 146 fi
 147 AC_SUBST(MAINT)
 148
 149 AC_ARG_ENABLE(locallisppath,
 150 [  --enable-locallisppath=PATH
 151                           directories Emacs should search for lisp files
 152                           specific to this site],
 153 if test "${enableval}" = "no"; then
 154   locallisppath=
 155 elif test "${enableval}" != "yes"; then
 156   locallisppath=${enableval}
 157 fi)
 158
 159 #### Make srcdir absolute, if it isn't already.  It's important to
 160 #### avoid running the path through pwd unnecessarily, since pwd can
 161 #### give you automounter prefixes, which can go away.  We do all this
 162 #### so Emacs can find its files when run uninstalled.
 163 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 164 unset CDPATH
 165 case "${srcdir}" in
 166   /* ) ;;
 167   . )
 168     ## We may be able to use the $PWD environment variable to make this
 169     ## absolute.  But sometimes PWD is inaccurate.
 170     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 171     ## but that tested only for a well-formed and valid PWD,
 172     ## it did not object when PWD was well-formed and valid but just wrong.
 173     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 174     then
 175       srcdir="$PWD"
 176     else
 177       srcdir="`(cd ${srcdir}; pwd)`"
 178     fi
 179   ;;
 180   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 181 esac
 182
 183 #### Check if the source directory already has a configured system in it.
 184 if test `pwd` != `(cd ${srcdir} && pwd)` \
 185    && test -f "${srcdir}/src/config.h" ; then
 186   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 187    as a build directory right now; it has been configured in its own
 188    right.  To configure in another directory as well, you MUST
 189    use GNU make.  If you do not have GNU make, then you must
 190    now do `make distclean' in ${srcdir},
 191    and then run $0 again.]])
 192 fi
 193
 194 #### Given the configuration name, set machfile and opsysfile to the
 195 #### names of the m/*.h and s/*.h files we should use.
 196
 197 ### Canonicalize the configuration name.
 198
 199 AC_CANONICAL_HOST
 200 canonical=$host
 201 configuration=${host_alias-$host}
 202
 203 dnl This used to use changequote, but, apart from `changequote is evil'
 204 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 205 dnl the great gob of text.  Thus it's not processed for possible expansion.
 206 dnl Just make sure the brackets remain balanced.
 207 dnl
 208 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 209 dnl indicated by comments.
 210 dnl quotation begins
 211 [
 212
 213 ### If you add support for a new configuration, add code to this
 214 ### switch statement to recognize your configuration name and select
 215 ### the appropriate operating system and machine description files.
 216
 217 ### You would hope that you could choose an m/*.h file pretty much
 218 ### based on the machine portion of the configuration name, and an s-
 219 ### file based on the operating system portion.  However, it turns out
 220 ### that each m/*.h file is pretty manufacturer-specific - for
 221 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 222 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 223 ### machines.  So we basically have to have a special case for each
 224 ### configuration name.
 225 ###
 226 ### As far as handling version numbers on operating systems is
 227 ### concerned, make sure things will fail in a fixable way.  If
 228 ### /etc/MACHINES doesn't say anything about version numbers, be
 229 ### prepared to handle anything reasonably.  If version numbers
 230 ### matter, be sure /etc/MACHINES says something about it.
 231 ###
 232 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 233 ### "System V Release 4"; he writes, "The old convention encouraged
 234 ### confusion between `system' and `release' levels'."
 235
 236 machine='' opsys='' unported=no
 237 case "${canonical}" in
 238
 239   ## FreeBSD ports
 240   *-*-freebsd* )
 241     opsys=freebsd
 242     case "${canonical}" in
 243       alpha*-*-freebsd*)        machine=alpha ;;
 244       ia64-*-freebsd*)          machine=ia64 ;;
 245       sparc64-*-freebsd*)       machine=sparc ;;
 246       powerpc-*-freebsd*)       machine=macppc ;;
 247       i[3456]86-*-freebsd*)     machine=intel386 ;;
 248       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 249     esac
 250   ;;
 251
 252   ## FreeBSD kernel + glibc based userland
 253   *-*-kfreebsd*gnu* )
 254     opsys=gnu-kfreebsd
 255     case "${canonical}" in
 256       alpha*-*-kfreebsd*)       machine=alpha ;;
 257       ia64-*-kfreebsd*)         machine=ia64 ;;
 258       sparc64-*-kfreebsd*)      machine=sparc ;;
 259       powerpc-*-kfreebsd*)      machine=macppc ;;
 260       i[3456]86-*-kfreebsd*)    machine=intel386 ;;
 261       amd64-*-kfreebsd*|x86_64-*-kfreebsd*) machine=amdx86-64 ;;
 262     esac
 263   ;;
 264
 265   ## NetBSD ports
 266   *-*-netbsd* )
 267     opsys=netbsd
 268     if test -f /usr/lib/crti.o; then]
 269 dnl The close and open brackets here are because this section is quoted --
 270 dnl see the `changequote' comment above.
 271       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 272 [   fi
 273
 274     case "${canonical}" in
 275       alpha*-*-netbsd*) machine=alpha ;;
 276       i[3456]86-*-netbsd*) machine=intel386 ;;
 277       m68k-*-netbsd*)
 278                         # This is somewhat bogus.
 279                         machine=hp9000s300 ;;
 280       mips-*-netbsd*)   machine=pmax ;;
 281       mipsel-*-netbsd*) machine=pmax ;;
 282       mipseb-*-netbsd*) machine=pmax ;;
 283       ns32k-*-netbsd*)  machine=ns32000 ;;
 284       powerpc-*-netbsd*) machine=macppc ;;
 285       sparc*-*-netbsd*) machine=sparc ;;
 286       vax-*-netbsd*)    machine=vax ;;
 287       arm-*-netbsd*)    machine=arm ;;
 288       x86_64-*-netbsd*) machine=amdx86-64 ;;
 289       hppa-*-netbsd*)   machine=hp800 ;;
 290       shle-*-netbsd*)   machine=sh3el ;;
 291     esac
 292   ;;
 293
 294   ## OpenBSD ports
 295   *-*-openbsd* )
 296     opsys=openbsd
 297     case "${canonical}" in
 298       alpha*-*-openbsd*)        machine=alpha ;;
 299       arm-*-openbsd*)          machine=arm ;;
 300       hppa-*-openbsd*)         machine=hp9000s300 ;;
 301       i386-*-openbsd*)         machine=intel386 ;;
 302       m68k-*-openbsd*)         machine=hp9000s300 ;;
 303       m88k-*-openbsd*)         machine=aviion ;;
 304       mips64-*-openbsd*)       machine=mips64 ;;
 305       powerpc-*-openbsd*)      machine=macppc ;;
 306       sh-*-openbsd*)           machine=sh3el ;;
 307       sparc*-*-openbsd*)       machine=sparc ;;
 308       vax-*-openbsd*)          machine=vax ;;
 309       x86_64-*-openbsd*)       machine=amdx86-64 ;;
 310     esac
 311   ;;
 312
 313   ## LynxOS ports
 314   *-*-lynxos* )
 315     opsys=lynxos
 316     case "${canonical}" in
 317       i[3456]86-*-lynxos*) machine=intel386 ;;
 318       powerpc-*-lynxos*) machine=powerpc ;;
 319     esac
 320   ;;
 321
 322   ## Acorn RISCiX:
 323   arm-acorn-riscix1.1* )
 324     machine=acorn opsys=riscix1-1
 325   ;;
 326   arm-acorn-riscix1.2* | arm-acorn-riscix )
 327     ## This name is riscix12 instead of riscix1.2
 328     ## to avoid a file name conflict on MSDOS.
 329     machine=acorn opsys=riscix12
 330   ;;
 331
 332   ## BSDI ports
 333   *-*-bsdi* )
 334     opsys=bsdi
 335     case "${canonical}" in
 336       i[345]86-*-bsdi*) machine=intel386 ;;
 337       sparc-*-bsdi*)  machine=sparc ;;
 338       powerpc-*-bsdi*)  machine=macppc ;;
 339     esac
 340     case "${canonical}" in
 341       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 342       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 343       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 344       *-*-bsdi3* )              opsys=bsdos3 ;;
 345       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 346     esac
 347   ;;
 348
 349   ## Alliant machines
 350   ## Strictly speaking, we need the version of the alliant operating
 351   ## system to choose the right machine file, but currently the
 352   ## configuration name doesn't tell us enough to choose the right
 353   ## one; we need to give alliants their own operating system name to
 354   ## do this right.  When someone cares, they can help us.
 355   fx80-alliant-* )
 356     machine=alliant4 opsys=bsd4-2
 357   ;;
 358   i860-alliant-* )
 359     machine=alliant-2800 opsys=bsd4-3
 360   ;;
 361
 362   ## Alpha (DEC) machines.
 363   alpha*-dec-osf* )
 364     machine=alpha opsys=osf1
 365     # This is needed to find X11R6.1 libraries for certain tests.
 366     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 367     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 368     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 369     # due to non-traditional preprocessing with the current compiler
 370     # defaults.  OSF 4 can also have that compiler version, and there
 371     # seems always to have been a usable /usr/bin/cpp.
 372     NON_GNU_CPP=/usr/bin/cpp
 373     case "${canonical}" in
 374     alpha*-dec-osf[5-9]*)
 375       opsys=osf5-0 ;;
 376     esac
 377   ;;
 378
 379   alpha*-*-linux-gnu* )
 380     machine=alpha opsys=gnu-linux
 381   ;;
 382
 383   arm*-*-linux-gnu* )
 384     machine=arm opsys=gnu-linux
 385   ;;
 386
 387   ## Altos 3068
 388   m68*-altos-sysv* )
 389     machine=altos opsys=usg5-2
 390   ;;
 391
 392   ## Amdahl UTS
 393   580-amdahl-sysv* )
 394     machine=amdahl opsys=usg5-2-2
 395   ;;
 396
 397   ## Apollo, Domain/OS
 398   m68*-apollo-* )
 399     machine=apollo opsys=bsd4-3
 400   ;;
 401
 402   ## Apple Darwin / Mac OS X
 403   *-apple-darwin* )
 404     case "${canonical}" in
 405       i[3456]86-* )  machine=intel386 ;;
 406       powerpc-* )    machine=powermac ;;
 407       * )            unported=yes ;;
 408     esac
 409     opsys=darwin
 410     # Define CPP as follows to make autoconf work correctly.
 411     CPP="${CC-cc} -E -no-cpp-precomp"
 412     # Use fink packages if available.
 413     if test -d /sw/include && test -d /sw/lib; then
 414       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 415       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 416       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 417     fi
 418   ;;
 419
 420   ## AT&T 3b2, 3b5, 3b15, 3b20
 421   we32k-att-sysv* )
 422     machine=att3b opsys=usg5-2-2
 423   ;;
 424
 425   ## AT&T 3b1 - The Mighty Unix PC!
 426   m68*-att-sysv* )
 427     machine=7300 opsys=usg5-2-2
 428   ;;
 429
 430   ## Bull dpx20
 431   rs6000-bull-bosx* )
 432     machine=ibmrs6000 opsys=aix3-2
 433   ;;
 434
 435   ## Bull dpx2
 436   m68*-bull-sysv3* )
 437     machine=dpx2 opsys=usg5-3
 438   ;;
 439
 440   ## Bull sps7
 441   m68*-bull-sysv2* )
 442     machine=sps7 opsys=usg5-2
 443   ;;
 444
 445   ## CCI 5/32, 6/32 -- see "Tahoe".
 446
 447   ## Celerity
 448   ## I don't know what configuration name to use for this; config.sub
 449   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 450   ## in touch with us!
 451   celerity-celerity-bsd* )
 452     machine=celerity opsys=bsd4-2
 453   ;;
 454
 455   ## Clipper
 456   ## What operating systems does this chip run that Emacs has been
 457   ## tested on?
 458   clipper-* )
 459     machine=clipper
 460     ## We'll use the catch-all code at the bottom to guess the
 461     ## operating system.
 462   ;;
 463
 464   ## Compaq Nonstop
 465   mips-compaq-nonstopux* )
 466     machine=nonstopux opsys=nonstopux
 467     ;;
 468
 469   ## Convex
 470   *-convex-bsd* | *-convex-convexos* )
 471     machine=convex opsys=bsd4-3
 472     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 473     NON_GNU_CPP="cc -E -P"
 474   ;;
 475
 476   ## Cubix QBx/386
 477   i[3456]86-cubix-sysv* )
 478     machine=intel386 opsys=usg5-3
 479   ;;
 480
 481   ## Cydra 5
 482   cydra*-cydrome-sysv* )
 483     machine=cydra5 opsys=usg5-3
 484   ;;
 485
 486   ## Data General AViiON Machines
 487   ## DG changed naming conventions with the release of 5.4.4.10, they
 488   ## dropped the initial 5.4 but left the intervening R.  Because of the
 489   ## R this shouldn't conflict with older versions of the OS (which I
 490   ## think were named like dgux4.*). In addition, DG new AViiONs series
 491   ## uses either Motorola M88k or Intel Pentium CPUs.
 492   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 493     machine=aviion opsys=dgux4
 494   ;;
 495   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 496     ## This name is dgux5-4-3 instead of dgux5-4r3
 497     ## to avoid a file name conflict on MSDOS.
 498     machine=aviion opsys=dgux5-4-3
 499   ;;
 500   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 501     machine=aviion opsys=dgux5-4r2
 502   ;;
 503   m88k-dg-dgux* )
 504     machine=aviion opsys=dgux
 505   ;;
 506
 507   ## Data General AViiON Intel (x86) Machines
 508   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 509   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 510   i[345]86-dg-dguxR4* )
 511     machine=aviion-intel opsys=dgux4
 512   ;;
 513
 514   ## DECstations
 515   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 516     machine=pmax opsys=bsd4-2
 517   ;;
 518   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 519     machine=pmax opsys=bsd4-3
 520   ;;
 521   mips-dec-ultrix* )
 522     machine=pmax opsys=ultrix4-3
 523   ;;
 524   mips-dec-osf* )
 525     machine=pmax opsys=osf1
 526   ;;
 527   mips-dec-mach_bsd4.3* )
 528     machine=pmax opsys=mach-bsd4-3
 529   ;;
 530
 531   ## Motorola Delta machines
 532   m68k-motorola-sysv* | m68000-motorola-sysv* )
 533     machine=delta opsys=usg5-3
 534     if test -z "`type gnucc | grep 'not found'`"
 535     then
 536       if test -s /etc/167config
 537       then CC="gnucc -m68040"
 538       else CC="gnucc -m68881"
 539       fi
 540     else
 541       if test -z "`type gcc | grep 'not found'`"
 542       then CC=gcc
 543       else CC=cc
 544       fi
 545     fi
 546   ;;
 547   m88k-motorola-sysv4* )
 548     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 549     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 550     # I hope there are not other 4.0 versions for this machine
 551     # which really need usg5-4 instead.
 552     machine=delta88k opsys=usg5-4-2
 553   ;;
 554   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 555     machine=delta88k opsys=usg5-3
 556   ;;
 557
 558   ## Dual machines
 559   m68*-dual-sysv* )
 560     machine=dual opsys=usg5-2
 561   ;;
 562   m68*-dual-uniplus* )
 563     machine=dual opsys=unipl5-2
 564   ;;
 565
 566   ## Elxsi 6400
 567   elxsi-elxsi-sysv* )
 568     machine=elxsi opsys=usg5-2
 569   ;;
 570
 571   ## Encore machines
 572   ns16k-encore-bsd* )
 573     machine=ns16000 opsys=umax
 574   ;;
 575
 576   ## The GEC 63 - apparently, this port isn't really finished yet.
 577   #  I'm sure we finished off the last of the machines, though.  -- fx
 578
 579   ## Gould Power Node and NP1
 580   pn-gould-bsd4.2* )
 581     machine=gould opsys=bsd4-2
 582   ;;
 583   pn-gould-bsd4.3* )
 584     machine=gould opsys=bsd4-3
 585   ;;
 586   np1-gould-bsd* )
 587     machine=gould-np1 opsys=bsd4-3
 588   ;;
 589
 590   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 591   ## as far as Emacs is concerned).
 592   m88k-harris-cxux* )
 593     # Build needs to be different on 7.0 and later releases
 594     case "`uname -r`" in
 595        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 596        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 597     esac
 598     NON_GNU_CPP="/lib/cpp"
 599   ;;
 600   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 601   m68k-harris-cxux* )
 602     machine=nh3000 opsys=cxux
 603   ;;
 604   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 605   powerpc-harris-powerunix )
 606     machine=nh6000 opsys=powerunix
 607     NON_GNU_CPP="cc -Xo -E -P"
 608   ;;
 609   ## SR2001/SR2201 running HI-UX/MPP
 610   hppa1.1-hitachi-hiuxmpp* )
 611     machine=sr2k opsys=hiuxmpp
 612   ;;
 613   hppa1.1-hitachi-hiuxwe2* )
 614     machine=sr2k opsys=hiuxwe2
 615   ;;
 616   ## Honeywell XPS100
 617   xps*-honeywell-sysv* )
 618     machine=xps100 opsys=usg5-2
 619   ;;
 620
 621   ## HP 9000 series 200 or 300
 622   m68*-hp-bsd* )
 623     machine=hp9000s300 opsys=bsd4-3
 624   ;;
 625   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 626   m68*-hp-hpux* )
 627     case "`uname -r`" in
 628       ## Someone's system reports A.B8.05 for this.
 629       ## I wonder what other possibilities there are.
 630       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 631       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 632       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 633       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 634       *) machine=hp9000s300 opsys=hpux ;;
 635     esac
 636   ;;
 637
 638   ## HP 9000 series 700 and 800, running HP/UX
 639   hppa*-hp-hpux7* )
 640     machine=hp800 opsys=hpux
 641   ;;
 642   hppa*-hp-hpux8* )
 643     machine=hp800 opsys=hpux8
 644   ;;
 645   hppa*-hp-hpux9shr* )
 646     machine=hp800 opsys=hpux9shr
 647   ;;
 648   hppa*-hp-hpux9* )
 649     machine=hp800 opsys=hpux9
 650   ;;
 651   hppa*-hp-hpux10.2* )
 652     machine=hp800 opsys=hpux10-20
 653   ;;
 654   hppa*-hp-hpux10* )
 655     machine=hp800 opsys=hpux10
 656   ;;
 657   hppa*-hp-hpux1[1-9]* )
 658     machine=hp800 opsys=hpux11
 659     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 660   ;;
 661
 662   hppa*-*-linux-gnu* )
 663     machine=hp800 opsys=gnu-linux
 664   ;;
 665
 666   ## HP 9000 series 700 and 800, running HP/UX
 667   hppa*-hp-hpux* )
 668     ## Cross-compilation?  Nah!
 669     case "`uname -r`" in
 670       ## Someone's system reports A.B8.05 for this.
 671       ## I wonder what other possibilities there are.
 672       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 673       *.08.* ) machine=hp800 opsys=hpux8 ;;
 674       *.09.* ) machine=hp800 opsys=hpux9 ;;
 675       *) machine=hp800 opsys=hpux10 ;;
 676     esac
 677   ;;
 678   hppa*-*-nextstep* )
 679     machine=hp800 opsys=nextstep
 680   ;;
 681
 682   ## Orion machines
 683   orion-orion-bsd* )
 684     machine=orion opsys=bsd4-2
 685   ;;
 686   clipper-orion-bsd* )
 687     machine=orion105 opsys=bsd4-2
 688   ;;
 689
 690   ## IBM machines
 691   i[3456]86-ibm-aix1.1* )
 692     machine=ibmps2-aix opsys=usg5-2-2
 693   ;;
 694   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 695     machine=ibmps2-aix opsys=usg5-3
 696   ;;
 697   i370-ibm-aix*)
 698     machine=ibm370aix opsys=usg5-3
 699   ;;
 700   s390-*-linux-gnu* )
 701     machine=ibms390 opsys=gnu-linux
 702   ;;
 703   s390x-*-linux-gnu* )
 704     machine=ibms390x opsys=gnu-linux
 705   ;;
 706   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 707     machine=ibmrs6000 opsys=aix3-1
 708   ;;
 709   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 710     machine=ibmrs6000 opsys=aix3-2-5
 711   ;;
 712   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 713     machine=ibmrs6000 opsys=aix4-1
 714   ;;
 715   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 716     machine=ibmrs6000 opsys=aix4-2
 717   ;;
 718   rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3*  )
 719     machine=ibmrs6000 opsys=aix4-2
 720   ;;
 721   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 722     machine=ibmrs6000 opsys=aix4-2
 723   ;;
 724   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 725     machine=ibmrs6000 opsys=aix4
 726   ;;
 727   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 728     machine=ibmrs6000 opsys=aix4-1
 729   ;;
 730   rs6000-ibm-aix* | powerpc-ibm-aix* )
 731     machine=ibmrs6000 opsys=aix3-2
 732   ;;
 733   romp-ibm-bsd4.3* )
 734     machine=ibmrt opsys=bsd4-3
 735   ;;
 736   romp-ibm-bsd4.2* )
 737     machine=ibmrt opsys=bsd4-2
 738   ;;
 739   romp-ibm-aos4.3* )
 740     machine=ibmrt opsys=bsd4-3
 741   ;;
 742   romp-ibm-aos4.2* )
 743     machine=ibmrt opsys=bsd4-2
 744   ;;
 745   romp-ibm-aos* )
 746     machine=ibmrt opsys=bsd4-3
 747   ;;
 748   romp-ibm-bsd* )
 749     machine=ibmrt opsys=bsd4-3
 750   ;;
 751   romp-ibm-aix* )
 752     machine=ibmrt-aix opsys=usg5-2-2
 753   ;;
 754
 755   ## Integrated Solutions `Optimum V'
 756   m68*-isi-bsd4.2* )
 757     machine=isi-ov opsys=bsd4-2
 758   ;;
 759   m68*-isi-bsd4.3* )
 760     machine=isi-ov opsys=bsd4-3
 761   ;;
 762
 763   ## Intel 386 machines where we do care about the manufacturer
 764   i[3456]86-intsys-sysv* )
 765     machine=is386 opsys=usg5-2-2
 766   ;;
 767
 768   ## Prime EXL
 769   i[3456]86-prime-sysv* )
 770     machine=i386 opsys=usg5-3
 771   ;;
 772
 773   ## Sequent Symmetry running Dynix
 774   i[3456]86-sequent-bsd* )
 775     machine=symmetry opsys=bsd4-3
 776   ;;
 777
 778   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 779   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 780     machine=sequent-ptx opsys=ptx4
 781     NON_GNU_CPP=/lib/cpp
 782   ;;
 783
 784   ## Sequent Symmetry running DYNIX/ptx
 785   ## Use the old cpp rather than the newer ANSI one.
 786   i[3456]86-sequent-ptx* )
 787     machine=sequent-ptx opsys=ptx
 788     NON_GNU_CPP="/lib/cpp"
 789   ;;
 790
 791   ## ncr machine running svr4.3.
 792   i[3456]86-ncr-sysv4.3 )
 793     machine=ncr386 opsys=usg5-4-3
 794   ;;
 795
 796   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 797   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 798   i[3456]86-ncr-sysv* )
 799     machine=ncr386 opsys=usg5-4-2
 800   ;;
 801
 802   ## Intel Paragon OSF/1
 803   i860-intel-osf1* )
 804     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 805   ;;
 806
 807   ## Intel 860
 808   i860-*-sysv4* )
 809     machine=i860 opsys=usg5-4
 810     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 811     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 812   ;;
 813
 814   ## Macintosh PowerPC
 815   powerpc*-*-linux-gnu* )
 816     machine=macppc opsys=gnu-linux
 817   ;;
 818
 819   ## Masscomp machines
 820   m68*-masscomp-rtu* )
 821     machine=masscomp opsys=rtu
 822   ;;
 823
 824   ## Megatest machines
 825   m68*-megatest-bsd* )
 826     machine=mega68 opsys=bsd4-2
 827   ;;
 828
 829   ## Workstations sold by MIPS
 830   ## This is not necessarily all workstations using the MIPS processor -
 831   ## Irises are produced by SGI, and DECstations by DEC.
 832
 833   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 834   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 835   ## it gives for choosing between the alternatives seems to be "Use
 836   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 837   ## the BSD world."  I'll assume that these are instructions for
 838   ## handling two odd situations, and that every other situation
 839   ## should use mips.h and usg5-2-2, they being listed first.
 840   mips-mips-usg* )
 841     machine=mips4
 842     ## Fall through to the general code at the bottom to decide on the OS.
 843   ;;
 844   mips-mips-riscos4* )
 845     machine=mips4 opsys=bsd4-3
 846     NON_GNU_CC="cc -systype bsd43"
 847     NON_GNU_CPP="cc -systype bsd43 -E"
 848   ;;
 849   mips-mips-riscos5* )
 850     machine=mips4 opsys=riscos5
 851     NON_GNU_CC="cc -systype bsd43"
 852     NON_GNU_CPP="cc -systype bsd43 -E"
 853   ;;
 854   mips-mips-bsd* )
 855     machine=mips opsys=bsd4-3
 856   ;;
 857   mips-mips-* )
 858     machine=mips opsys=usg5-2-2
 859   ;;
 860
 861   ## NeXT
 862   m68*-next-* | m68k-*-nextstep* )
 863     machine=m68k opsys=nextstep
 864   ;;
 865
 866   ## The complete machine from National Semiconductor
 867   ns32k-ns-genix* )
 868     machine=ns32000 opsys=usg5-2
 869   ;;
 870
 871   ## NCR machines
 872   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 873     machine=tower32 opsys=usg5-2-2
 874   ;;
 875   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 876     machine=tower32v3 opsys=usg5-3
 877   ;;
 878
 879   ## NEC EWS4800
 880   mips-nec-sysv4*)
 881   machine=ews4800 opsys=ux4800
 882   ;;
 883
 884   ## Nixdorf Targon 31
 885   m68*-nixdorf-sysv* )
 886     machine=targon31 opsys=usg5-2-2
 887   ;;
 888
 889   ## Nu (TI or LMI)
 890   m68*-nu-sysv* )
 891     machine=nu opsys=usg5-2
 892   ;;
 893
 894   ## Plexus
 895   m68*-plexus-sysv* )
 896     machine=plexus opsys=usg5-2
 897   ;;
 898
 899   ## Pyramid machines
 900   ## I don't really have any idea what sort of processor the Pyramid has,
 901   ## so I'm assuming it is its own architecture.
 902   pyramid-pyramid-bsd* )
 903     machine=pyramid opsys=bsd4-2
 904   ;;
 905
 906   ## Sequent Balance
 907   ns32k-sequent-bsd4.2* )
 908     machine=sequent opsys=bsd4-2
 909   ;;
 910   ns32k-sequent-bsd4.3* )
 911     machine=sequent opsys=bsd4-3
 912   ;;
 913
 914   ## Siemens Nixdorf
 915   mips-siemens-sysv* | mips-sni-sysv*)
 916     machine=mips-siemens opsys=usg5-4
 917     NON_GNU_CC=/usr/ccs/bin/cc
 918     NON_GNU_CPP=/usr/ccs/lib/cpp
 919   ;;
 920
 921   ## Silicon Graphics machines
 922   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 923   m68*-sgi-iris3.5* )
 924     machine=irist opsys=iris3-5
 925   ;;
 926   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 927     machine=irist opsys=iris3-6
 928   ;;
 929   ## Iris 4D
 930   mips-sgi-irix3* )
 931     machine=iris4d opsys=irix3-3
 932   ;;
 933   mips-sgi-irix4* )
 934     machine=iris4d opsys=irix4-0
 935   ;;
 936   mips-sgi-irix6.5 )
 937     machine=iris4d opsys=irix6-5
 938     # Without defining _LANGUAGE_C, things get masked out in the headers
 939     # so that, for instance, grepping for `free' in stdlib.h fails and
 940     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 941     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 942     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 943   ;;
 944   mips-sgi-irix6* )
 945     machine=iris4d opsys=irix6-0
 946     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 947     # but presumably it does no harm.
 948     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 949     # -32 probably isn't necessary in later v.6s -- anyone know which?
 950     NON_GCC_TEST_OPTIONS=-32
 951   ;;
 952   mips-sgi-irix5.[01]* )
 953     machine=iris4d opsys=irix5-0
 954   ;;
 955   mips-sgi-irix5* | mips-sgi-irix* )
 956     machine=iris4d opsys=irix5-2
 957   ;;
 958
 959   ## SONY machines
 960   m68*-sony-bsd4.2* )
 961     machine=news opsys=bsd4-2
 962   ;;
 963   m68*-sony-bsd4.3* )
 964     machine=news opsys=bsd4-3
 965   ;;
 966   m68*-sony-newsos3* | m68*-sony-news3*)
 967     machine=news opsys=bsd4-3
 968   ;;
 969   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 970     machine=news-risc opsys=bsd4-3
 971   ;;
 972   mips-sony-newsos6* )
 973     machine=news-r6 opsys=newsos6
 974   ;;
 975   mips-sony-news* )
 976     machine=news-risc opsys=newsos5
 977   ;;
 978
 979   ## Stride
 980   m68*-stride-sysv* )
 981     machine=stride opsys=usg5-2
 982   ;;
 983
 984   ## Suns
 985   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 986     machine=sparc opsys=gnu-linux
 987   ;;
 988
 989   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 990     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 991     | rs6000-*-solaris2*)
 992     case "${canonical}" in
 993       m68*-sunos1* )    machine=sun1 ;;
 994       m68*-sunos2* )    machine=sun2 ;;
 995       m68* )            machine=sun3 ;;
 996       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 997       i[3456]86-*-* )     machine=intel386 ;;
 998       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 999       powerpcle* )      machine=powerpcle ;;
1000       powerpc* | rs6000* )  machine=ibmrs6000 ;;
1001       sparc* )          machine=sparc ;;
1002       * )               unported=yes ;;
1003     esac
1004     case "${canonical}" in
1005       ## The Sun386 didn't get past 4.0.
1006       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
1007       *-sunos4.0*         ) opsys=sunos4-0 ;;
1008       *-sunos4.1.[3-9]*noshare )
1009                 ## This name is sunos413 instead of sunos4-1-3
1010                 ## to avoid a file name conflict on MSDOS.
1011                 opsys=sunos413
1012                 NON_GNU_CPP=/usr/lib/cpp
1013                 NON_GCC_TEST_OPTIONS=-Bstatic
1014                 GCC_TEST_OPTIONS=-static
1015                 ;;
1016       *-sunos4.1.[3-9]* | *-sunos4shr*)
1017                 opsys=sunos4shr
1018                 NON_GNU_CPP=/usr/lib/cpp
1019                 ;;
1020       *-sunos4* | *-sunos )
1021                 opsys=sunos4-1
1022                 NON_GCC_TEST_OPTIONS=-Bstatic
1023                 GCC_TEST_OPTIONS=-static
1024                 ;;
1025       *-sunos5.3* | *-solaris2.3* )
1026                 opsys=sol2-3
1027                 NON_GNU_CPP=/usr/ccs/lib/cpp
1028                 ;;
1029       *-sunos5.4* | *-solaris2.4* )
1030                 opsys=sol2-4
1031                 NON_GNU_CPP=/usr/ccs/lib/cpp
1032                 RANLIB="ar -ts"
1033                 ;;
1034       *-sunos5.5* | *-solaris2.5* )
1035                 opsys=sol2-5
1036                 NON_GNU_CPP=/usr/ccs/lib/cpp
1037                 RANLIB="ar -ts"
1038                 ;;
1039       *-sunos5.6* | *-solaris2.6* )
1040                 opsys=sol2-6
1041                 NON_GNU_CPP=/usr/ccs/lib/cpp
1042                 RANLIB="ar -ts"
1043                 ;;
1044       *-sunos5* | *-solaris* )
1045                 opsys=sol2-6
1046 ## FIXME: make this into a proper fix that checks the compiler type,
1047 ## rather than relying on path. Or is /usr/ccs/lib/cpp a bad default now?
1048                 if [ "x$CC" = x/opt/SUNWspro/bin/cc ]; then
1049                   ## -Xs prevents spurious whitespace.
1050                   NON_GNU_CPP="/opt/SUNWspro/bin/cc -E -Xs"
1051                 else
1052                   NON_GNU_CPP=/usr/ccs/lib/cpp
1053                 fi
1054                 ;;
1055       *                   ) opsys=bsd4-2   ;;
1056     esac
1057     ## Watch out for a compiler that we know will not work.
1058     case "${canonical}" in
1059      *-solaris* | *-sunos5* )
1060                 if [ "x$CC" = x/usr/ucb/cc ]; then
1061                   ## /usr/ucb/cc doesn't work;
1062                   ## we should find some other compiler that does work.
1063                   unset CC
1064                 fi
1065                 ;;
1066       *) ;;
1067     esac
1068   ;;
1069   sparc-*-nextstep* )
1070     machine=sparc opsys=nextstep
1071   ;;
1072
1073   ## Tadpole 68k
1074   m68*-tadpole-sysv* )
1075     machine=tad68k opsys=usg5-3
1076   ;;
1077
1078   ## Tahoe machines
1079   tahoe-tahoe-bsd4.2* )
1080     machine=tahoe opsys=bsd4-2
1081   ;;
1082   tahoe-tahoe-bsd4.3* )
1083     machine=tahoe opsys=bsd4-3
1084   ;;
1085
1086   ## Tandem Integrity S2
1087   mips-tandem-sysv* )
1088     machine=tandem-s2 opsys=usg5-3
1089   ;;
1090
1091   ## Tektronix XD88
1092   m88k-tektronix-sysv3* )
1093   machine=tekxd88 opsys=usg5-3
1094   ;;
1095
1096   ## Tektronix 16000 box (6130?)
1097   ns16k-tektronix-bsd* )
1098     machine=ns16000 opsys=bsd4-2
1099   ;;
1100   ## Tektronix 4300
1101   ## src/m/tek4300.h hints that this is a m68k machine.
1102   m68*-tektronix-bsd* )
1103     machine=tek4300 opsys=bsd4-3
1104   ;;
1105
1106   ## Titan P2 or P3
1107   ## We seem to have lost the machine-description file titan.h!
1108   titan-titan-sysv* )
1109     machine=titan opsys=usg5-3
1110   ;;
1111
1112   ## Ustation E30 (SS5E)
1113   m68*-unisys-uniplus* )
1114     machine=ustation opsystem=unipl5-2
1115   ;;
1116
1117   ## Vaxen.
1118   vax-dec-* )
1119     machine=vax
1120     case "${canonical}" in
1121       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1122       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1123       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1124       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1125       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1126       *-vms* )                                          opsys=vms ;;
1127       * )                                               unported=yes
1128     esac
1129   ;;
1130
1131   ## Whitechapel MG1
1132   ns16k-whitechapel-* )
1133     machine=mg1
1134     ## We don't know what sort of OS runs on these; we'll let the
1135     ## operating system guessing code below try.
1136   ;;
1137
1138   ## Wicat
1139   m68*-wicat-sysv* )
1140     machine=wicat opsys=usg5-2
1141   ;;
1142
1143   ## IA-64
1144   ia64*-*-linux* )
1145     machine=ia64 opsys=gnu-linux
1146   ;;
1147
1148   ## Intel 386 machines where we don't care about the manufacturer
1149   i[3456]86-*-* )
1150     machine=intel386
1151     case "${canonical}" in
1152       *-cygwin )                opsys=cygwin ;;
1153       *-darwin* )               opsys=darwin
1154                                 CPP="${CC-cc} -E -no-cpp-precomp"
1155                                 ;;
1156       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1157       *-isc2.2* )               opsys=isc2-2 ;;
1158       *-isc4.0* )               opsys=isc4-0 ;;
1159       *-isc4.* )                opsys=isc4-1
1160                                 GCC_TEST_OPTIONS=-posix
1161                                 NON_GCC_TEST_OPTIONS=-Xp
1162                                 ;;
1163       *-isc* )                  opsys=isc3-0 ;;
1164       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1165       *-esix* )                 opsys=esix ;;
1166       *-xenix* )                opsys=xenix ;;
1167       *-linux-gnu* )            opsys=gnu-linux ;;
1168       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1169       *-sco3.2v5* )             opsys=sco5
1170                                 NON_GNU_CPP=/lib/cpp
1171                                 # Prevent -belf from being passed to $CPP.
1172                                 # /lib/cpp does not accept it.
1173                                 OVERRIDE_CPPFLAGS=" "
1174                                 ;;
1175       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1176       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1177       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1178       *-386bsd* )               opsys=386bsd ;;
1179       *-nextstep* )             opsys=nextstep ;;
1180       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1181     esac
1182   ;;
1183
1184   ## m68k Linux-based GNU system
1185   m68k-*-linux-gnu* )
1186     machine=m68k opsys=gnu-linux
1187   ;;
1188
1189   ## Mips Linux-based GNU system
1190   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
1191     machine=mips opsys=gnu-linux
1192   ;;
1193
1194   ## UXP/DS
1195   sparc-fujitsu-sysv4* )
1196     machine=sparc opsys=uxpds
1197     NON_GNU_CPP=/usr/ccs/lib/cpp
1198     RANLIB="ar -ts"
1199   ;;
1200
1201   ## UXP/V
1202   f301-fujitsu-uxpv4.1)
1203     machine=f301 opsys=uxpv
1204   ;;
1205
1206   ## AMD x86-64 Linux-based GNU system
1207   x86_64-*-linux-gnu* )
1208     machine=amdx86-64 opsys=gnu-linux
1209   ;;
1210
1211   ## Tensilica Xtensa Linux-based GNU system
1212   xtensa-*-linux-gnu* )
1213     machine=xtensa opsys=gnu-linux
1214     ;;
1215
1216   * )
1217     unported=yes
1218   ;;
1219 esac
1220
1221 ### If the code above didn't choose an operating system, just choose
1222 ### an operating system based on the configuration name.  You really
1223 ### only want to use this when you have no idea what the right
1224 ### operating system is; if you know what operating systems a machine
1225 ### runs, it's cleaner to make it explicit in the case statement
1226 ### above.
1227 if test x"${opsys}" = x; then
1228   case "${canonical}" in
1229     *-gnu* )                            opsys=gnu ;;
1230     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1231     *-bsd4.2 )                          opsys=bsd4-2 ;;
1232     *-bsd4.3 )                          opsys=bsd4-3 ;;
1233     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1234     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1235     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1236     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1237     *-sysv4.2uw* )                      opsys=unixware ;;
1238     *-sysv5uw* )                        opsys=unixware ;;
1239     *-sysv5OpenUNIX* )                  opsys=unixware ;;
1240     *-sysv4.1* | *-sysvr4.1* )
1241         NON_GNU_CPP=/usr/lib/cpp
1242         opsys=usg5-4 ;;
1243     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1244         if [ x$NON_GNU_CPP = x ]; then
1245           if [ -f /usr/ccs/lib/cpp ]; then
1246             NON_GNU_CPP=/usr/ccs/lib/cpp
1247           else
1248             NON_GNU_CPP=/lib/cpp
1249           fi
1250         fi
1251         opsys=usg5-4-2 ;;
1252     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1253     * )
1254       unported=yes
1255     ;;
1256   esac
1257 fi
1258
1259 ]
1260 dnl quotation ends
1261
1262 if test $unported = yes; then
1263   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
1264 Check `etc/MACHINES' for recognized configuration names.])
1265 fi
1266
1267 machfile="m/${machine}.h"
1268 opsysfile="s/${opsys}.h"
1269
1270
1271 #### Choose a compiler.
1272 test -n "$CC" && cc_specified=yes
1273
1274 # Save the value of CFLAGS that the user specified.
1275 SPECIFIED_CFLAGS="$CFLAGS"
1276
1277 case ${with_gcc} in
1278   "yes" ) CC="gcc" GCC=yes ;;
1279   "no"  ) : ${CC=cc} ;;
1280   * )
1281 esac
1282 AC_PROG_CC
1283
1284 # On Suns, sometimes $CPP names a directory.
1285 if test -n "$CPP" && test -d "$CPP"; then
1286   CPP=
1287 fi
1288
1289 #### Some systems specify a CPP to use unless we are using GCC.
1290 #### Now that we know whether we are using GCC, we can decide whether
1291 #### to use that one.
1292 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1293 then
1294   CPP="$NON_GNU_CPP"
1295 fi
1296
1297 #### Some systems specify a CC to use unless we are using GCC.
1298 #### Now that we know whether we are using GCC, we can decide whether
1299 #### to use that one.
1300 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1301   test x$cc_specified != xyes
1302 then
1303   CC="$NON_GNU_CC"
1304 fi
1305
1306 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1307 then
1308   CC="$CC $GCC_TEST_OPTIONS"
1309 fi
1310
1311 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1312 then
1313   CC="$CC $NON_GCC_TEST_OPTIONS"
1314 fi
1315
1316 dnl checks for Unix variants
1317 AC_AIX
1318 AC_GNU_SOURCE
1319
1320 ### Use -Wno-pointer-sign if the compiler supports it
1321 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
1322 SAVE_CFLAGS="$CFLAGS"
1323 CFLAGS="$CFLAGS -Wno-pointer-sign"
1324 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
1325 if test $has_option = yes; then
1326    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
1327 fi
1328 AC_MSG_RESULT($has_option)
1329 CFLAGS="$SAVE_CFLAGS"
1330 unset has_option
1331 unset SAVE_CFLAGS
1332
1333 #### Some other nice autoconf tests.
1334
1335 dnl checks for programs
1336 AC_PROG_LN_S
1337 AC_PROG_CPP
1338 AC_PROG_INSTALL
1339 if test "x$RANLIB" = x; then
1340   AC_PROG_RANLIB
1341 fi
1342 AC_PATH_PROG(INSTALL_INFO, install-info)
1343 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
1344 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
1345 dnl Don't use GZIP, which is used by gzip for additional parameters.
1346 AC_PATH_PROG(GZIP_PROG, gzip)
1347
1348 dnl Add our options to ac_link now, after it is set up.
1349
1350 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1351 then
1352   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1353 fi
1354
1355 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1356 then
1357   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1358 fi
1359
1360 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1361 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1362 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1363 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1364 dnl if not built to support GNU ld.
1365
1366 late_LDFLAGS=$LDFLAGS
1367 if test "$GCC" = yes; then
1368   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
1369 else
1370   LDFLAGS="$LDFLAGS -znocombreloc"
1371 fi
1372
1373 AC_MSG_CHECKING([for -znocombreloc])
1374 AC_LINK_IFELSE([main(){return 0;}],
1375   [AC_MSG_RESULT(yes)],
1376   LDFLAGS=$late_LDFLAGS
1377   [AC_MSG_RESULT(no)])
1378
1379 #### Extract some information from the operating system and machine files.
1380
1381 AC_CHECKING([the machine- and system-dependent files to find out
1382  - which libraries the lib-src programs will want, and
1383  - whether the GNU malloc routines are usable])
1384
1385 ### First figure out CFLAGS (which we use for running the compiler here)
1386 ### and REAL_CFLAGS (which we use for real compilation).
1387 ### The two are the same except on a few systems, where they are made
1388 ### different to work around various lossages.  For example,
1389 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1390 ### as implying static linking.
1391
1392 ### If the CFLAGS env var is specified, we use that value
1393 ### instead of the default.
1394
1395 ### It's not important that this name contain the PID; you can't run
1396 ### two configures in the same directory and have anything work
1397 ### anyway.
1398 tempcname="conftest.c"
1399
1400 echo '
1401 #include "'${srcdir}'/src/'${opsysfile}'"
1402 #include "'${srcdir}'/src/'${machfile}'"
1403 #ifndef LIBS_MACHINE
1404 #define LIBS_MACHINE
1405 #endif
1406 #ifndef LIBS_SYSTEM
1407 #define LIBS_SYSTEM
1408 #endif
1409 #ifndef C_SWITCH_SYSTEM
1410 #define C_SWITCH_SYSTEM
1411 #endif
1412 #ifndef C_SWITCH_MACHINE
1413 #define C_SWITCH_MACHINE
1414 #endif
1415 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1416 configure___ c_switch_system=C_SWITCH_SYSTEM
1417 configure___ c_switch_machine=C_SWITCH_MACHINE
1418
1419 #ifndef LIB_X11_LIB
1420 #define LIB_X11_LIB -lX11
1421 #endif
1422
1423 #ifndef LIBX11_MACHINE
1424 #define LIBX11_MACHINE
1425 #endif
1426
1427 #ifndef LIBX11_SYSTEM
1428 #define LIBX11_SYSTEM
1429 #endif
1430 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1431
1432 #ifdef UNEXEC
1433 configure___ unexec=UNEXEC
1434 #else
1435 configure___ unexec=unexec.o
1436 #endif
1437
1438 #ifdef SYSTEM_MALLOC
1439 configure___ system_malloc=yes
1440 #else
1441 configure___ system_malloc=no
1442 #endif
1443
1444 #ifdef USE_MMAP_FOR_BUFFERS
1445 configure___ use_mmap_for_buffers=yes
1446 #else
1447 configure___ use_mmap_for_buffers=no
1448 #endif
1449
1450 #ifndef C_DEBUG_SWITCH
1451 #define C_DEBUG_SWITCH -g
1452 #endif
1453
1454 #ifndef C_OPTIMIZE_SWITCH
1455 #ifdef __GNUC__
1456 #define C_OPTIMIZE_SWITCH -O2
1457 #else
1458 #define C_OPTIMIZE_SWITCH -O
1459 #endif
1460 #endif
1461
1462 #ifndef C_WARNINGS_SWITCH
1463 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1464 #endif
1465
1466 #ifndef LD_SWITCH_MACHINE
1467 #define LD_SWITCH_MACHINE
1468 #endif
1469
1470 #ifndef LD_SWITCH_SYSTEM
1471 #define LD_SWITCH_SYSTEM
1472 #endif
1473
1474 #ifndef LD_SWITCH_X_SITE_AUX
1475 #define LD_SWITCH_X_SITE_AUX
1476 #endif
1477
1478 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1479 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1480
1481 #ifdef THIS_IS_CONFIGURE
1482
1483 /* Get the CFLAGS for tests in configure.  */
1484 #ifdef __GNUC__
1485 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1486 #else
1487 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1488 #endif
1489
1490 #else /* not THIS_IS_CONFIGURE */
1491
1492 /* Get the CFLAGS for real compilation.  */
1493 #ifdef __GNUC__
1494 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1495 #else
1496 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1497 #endif
1498
1499 #endif /* not THIS_IS_CONFIGURE */
1500 ' > ${tempcname}
1501
1502 # The value of CPP is a quoted variable reference, so we need to do this
1503 # to get its actual value...
1504 CPP=`eval "echo $CPP"`
1505 [eval `${CPP} -Isrc ${tempcname} \
1506        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1507 if test "x$SPECIFIED_CFLAGS" = x; then
1508   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1509          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1510 else
1511   REAL_CFLAGS="$CFLAGS"
1512 fi]
1513 rm ${tempcname}
1514
1515 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1516
1517 ### Make sure subsequent tests use flags consistent with the build flags.
1518
1519 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1520   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1521 else
1522   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1523 fi
1524
1525 dnl For AC_FUNC_GETLOADAVG, at least:
1526 AC_CONFIG_LIBOBJ_DIR(src)
1527
1528 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1529 AC_SYS_LARGEFILE
1530
1531
1532 ### The standard library on x86-64 GNU/Linux distributions can
1533 ### be located in either /usr/lib64 or /usr/lib.
1534 case "${canonical}" in
1535   x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
1536     if test -d /usr/lib64; then
1537       AC_DEFINE(HAVE_X86_64_LIB64_DIR, 1,
1538         [Define to 1 if the file /usr/lib64 exists.])
1539 fi
1540 esac
1541
1542 dnl This function defintion taken from Gnome 2.0
1543 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1544 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1545 dnl also defines GSTUFF_PKG_ERRORS on error
1546 AC_DEFUN([PKG_CHECK_MODULES], [
1547   succeeded=no
1548
1549   if test -z "$PKG_CONFIG"; then
1550     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1551   fi
1552
1553   if test "$PKG_CONFIG" = "no" ; then
1554      ifelse([$4], , [AC_MSG_ERROR([
1555       *** 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])
1556   else
1557      PKG_CONFIG_MIN_VERSION=0.9.0
1558      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1559         AC_MSG_CHECKING(for $2)
1560
1561         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1562             AC_MSG_RESULT(yes)
1563             succeeded=yes
1564
1565             AC_MSG_CHECKING($1_CFLAGS)
1566             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1567             AC_MSG_RESULT($$1_CFLAGS)
1568
1569             AC_MSG_CHECKING($1_LIBS)
1570             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1571             AC_MSG_RESULT($$1_LIBS)
1572         else
1573             AC_MSG_RESULT(no)
1574             $1_CFLAGS=""
1575             $1_LIBS=""
1576             ## If we have a custom action on failure, don't print errors, but
1577             ## do set a variable so people can do so.
1578             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1579             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1580         fi
1581
1582         AC_SUBST($1_CFLAGS)
1583         AC_SUBST($1_LIBS)
1584      else
1585         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1586         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1587      fi
1588   fi
1589
1590   if test $succeeded = yes; then
1591      ifelse([$3], , :, [$3])
1592   else
1593      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.])], [$4])
1594   fi
1595 ])
1596
1597
1598 if test "${with_sound}" != "no"; then
1599   # Sound support for GNU/Linux and the free BSDs.
1600   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1601   # Emulation library used on NetBSD.
1602   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1603   AC_SUBST(LIBSOUND)
1604
1605   ALSA_REQUIRED=1.0.0
1606   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1607   dnl Check if --with-pkg-config-prog has been given.
1608   if test "X${with_pkg_config_prog}" != X; then
1609     PKG_CONFIG="${with_pkg_config_prog}"
1610   fi
1611   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1612   if test $HAVE_ALSA = yes; then
1613     SAVE_CFLAGS="$CFLAGS"
1614     SAVE_LDFLAGS="$LDFLAGS"
1615     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1616     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1617     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1618                     emacs_alsa_normal=yes,
1619                     emacs_alsa_normal=no)
1620     if test "$emacs_alsa_normal" != yes; then
1621       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1622                      [snd_lib_error_set_handler (0);],
1623                      emacs_alsa_subdir=yes,
1624                      emacs_alsa_subdir=no)
1625       if test "$emacs_alsa_subdir" != yes; then
1626         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1627       fi
1628       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1629     fi
1630
1631     CFLAGS="$SAVE_CFLAGS"
1632     LDFLAGS="$SAVE_LDFLAGS"
1633     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1634     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1635     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1636   fi
1637   AC_SUBST(CFLAGS_SOUND)
1638 fi
1639
1640 dnl checks for header files
1641 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1642   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1643   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1644   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1645   sys/utsname.h pwd.h)
1646
1647 AC_MSG_CHECKING(if personality LINUX32 can be set)
1648 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1649                emacs_cv_personality_linux32=yes,
1650                emacs_cv_personality_linux32=no)
1651 AC_MSG_RESULT($emacs_cv_personality_linux32)
1652
1653 if test $emacs_cv_personality_linux32 = yes; then
1654   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1655             [Define to 1 if personality LINUX32 can be set.])
1656 fi
1657
1658 dnl On Solaris 8 there's a compilation warning for term.h because
1659 dnl it doesn't define `bool'.
1660 AC_CHECK_HEADERS(term.h, , , -)
1661 AC_HEADER_STDC
1662 AC_HEADER_TIME
1663 AC_CHECK_DECLS([sys_siglist])
1664 if test $ac_cv_have_decl_sys_siglist != yes; then
1665   # For Tru64, at least:
1666   AC_CHECK_DECLS([__sys_siglist])
1667   if test $ac_cv_have_decl___sys_siglist = yes; then
1668     AC_DEFINE(sys_siglist, __sys_siglist,
1669               [Define to any substitute for sys_siglist.])
1670   fi
1671 fi
1672 AC_HEADER_SYS_WAIT
1673
1674 dnl Some systems have utime.h but don't declare the struct anyplace.
1675 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1676 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1677 #include <sys/time.h>
1678 #include <time.h>
1679 #else
1680 #ifdef HAVE_SYS_TIME_H
1681 #include <sys/time.h>
1682 #else
1683 #include <time.h>
1684 #endif
1685 #endif
1686 #ifdef HAVE_UTIME_H
1687 #include <utime.h>
1688 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1689   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1690 if test $emacs_cv_struct_utimbuf = yes; then
1691   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1692 fi
1693
1694 dnl checks for typedefs
1695 AC_TYPE_SIGNAL
1696
1697 dnl Check for speed_t typedef.
1698 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1699   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1700     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1701 if test $emacs_cv_speed_t = yes; then
1702   AC_DEFINE(HAVE_SPEED_T, 1,
1703            [Define to 1 if `speed_t' is declared by <termios.h>.])
1704 fi
1705
1706 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1707 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1708 #include <sys/time.h>
1709 #include <time.h>
1710 #else
1711 #ifdef HAVE_SYS_TIME_H
1712 #include <sys/time.h>
1713 #else
1714 #include <time.h>
1715 #endif
1716 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1717   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1718 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1719 if test $emacs_cv_struct_timeval = yes; then
1720   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1721 fi
1722
1723 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1724 AC_TRY_COMPILE([#include <math.h>],
1725 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1726   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1727 HAVE_EXCEPTION=$emacs_cv_struct_exception
1728 if test $emacs_cv_struct_exception != yes; then
1729   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1730 fi
1731
1732 AC_CHECK_HEADERS(sys/socket.h)
1733 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1734 #if HAVE_SYS_SOCKET_H
1735 #include <sys/socket.h>
1736 #endif])
1737
1738 dnl checks for structure members
1739 AC_STRUCT_TM
1740 AC_STRUCT_TIMEZONE
1741 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1742                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1743                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1744                 [#include <time.h>])
1745 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1746                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1747                   struct ifreq.ifr_addr], , ,
1748                  [AC_INCLUDES_DEFAULT
1749 #if HAVE_SYS_SOCKET_H
1750 #include <sys/socket.h>
1751 #endif
1752 #if HAVE_NET_IF_H
1753 #include <net/if.h>
1754 #endif])
1755
1756 dnl checks for compiler characteristics
1757
1758 dnl Testing __STDC__ to determine prototype support isn't good enough.
1759 dnl DEC C, for instance, doesn't define it with default options, and
1760 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1761 dnl and void *.
1762 AC_C_PROTOTYPES
1763 AC_C_VOLATILE
1764 AC_C_CONST
1765 dnl This isn't useful because we can't turn on use of `inline' unless
1766 dnl the compiler groks `extern inline'.
1767 dnl AC_C_INLINE
1768 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1769   [AC_TRY_COMPILE(, [void * foo;],
1770                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1771 if test $emacs_cv_void_star = yes; then
1772   AC_DEFINE(POINTER_TYPE, void)
1773 else
1774   AC_DEFINE(POINTER_TYPE, char)
1775 fi
1776 AH_TEMPLATE(POINTER_TYPE,
1777             [Define as `void' if your compiler accepts `void *'; otherwise
1778              define as `char'.])dnl
1779
1780
1781
1782 dnl This could be used for targets which can have both byte sexes.
1783 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1784 dnl AC_C_BIGENDIAN
1785
1786 dnl check for Make feature
1787 AC_PROG_MAKE_SET
1788
1789 dnl checks for operating system services
1790 AC_SYS_LONG_FILE_NAMES
1791
1792 #### Choose a window system.
1793
1794 AC_PATH_X
1795 if test "$no_x" = yes; then
1796   window_system=none
1797 else
1798   window_system=x11
1799 fi
1800
1801 if test "${x_libraries}" != NONE; then
1802   if test -n "${x_libraries}"; then
1803     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1804     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1805   fi
1806   x_default_search_path=""
1807   x_search_path=${x_libraries}
1808   if test -z "${x_search_path}"; then
1809     x_search_path=/usr/lib
1810   fi
1811   for x_library in `echo ${x_search_path}: | \
1812                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1813     x_search_path="\
1814 ${x_library}/X11/%L/%T/%N%C%S:\
1815 ${x_library}/X11/%l/%T/%N%C%S:\
1816 ${x_library}/X11/%T/%N%C%S:\
1817 ${x_library}/X11/%L/%T/%N%S:\
1818 ${x_library}/X11/%l/%T/%N%S:\
1819 ${x_library}/X11/%T/%N%S"
1820     if test x"${x_default_search_path}" = x; then
1821       x_default_search_path=${x_search_path}
1822     else
1823       x_default_search_path="${x_search_path}:${x_default_search_path}"
1824     fi
1825   done
1826 fi
1827 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1828   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1829 fi
1830
1831 if test x"${x_includes}" = x; then
1832   bitmapdir=/usr/include/X11/bitmaps
1833 else
1834   # accumulate include directories that have X11 bitmap subdirectories
1835   bmd_acc="dummyval"
1836   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1837     if test -d "${bmd}/X11/bitmaps"; then
1838       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1839     fi
1840     if test -d "${bmd}/bitmaps"; then
1841       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1842     fi
1843   done
1844   if test ${bmd_acc} != "dummyval"; then
1845     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1846   fi
1847 fi
1848
1849 HAVE_CARBON=no
1850 if test "${with_carbon}" != no; then
1851   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1852 fi
1853 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1854   if test "${with_carbon+set}" != set \
1855      && test "${carbon_appdir_x+set}" != set; then
1856     for var in with_x with_x_toolkit with_gtk with_xim \
1857                with_xpm with_jpeg with_tiff with_gif with_png; do
1858       if eval test \"\${$var+set}\" = set; then
1859         HAVE_CARBON=no
1860         break
1861       fi
1862     done
1863   fi
1864 fi
1865 if test "${HAVE_CARBON}" = yes; then
1866   window_system=mac
1867 fi
1868
1869 case "${window_system}" in
1870   x11 )
1871     HAVE_X_WINDOWS=yes
1872     HAVE_X11=yes
1873     case "${with_x_toolkit}" in
1874       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1875       motif ) USE_X_TOOLKIT=MOTIF ;;
1876 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1877       gtk ) with_gtk=yes
1878 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1879 dnl USE_X_TOOLKIT is set.
1880             USE_X_TOOLKIT=none ;;
1881       no ) USE_X_TOOLKIT=none ;;
1882 dnl If user did not say whether to use a toolkit,
1883 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1884       * ) USE_X_TOOLKIT=maybe ;;
1885     esac
1886   ;;
1887   mac | none )
1888     HAVE_X_WINDOWS=no
1889     HAVE_X11=no
1890     USE_X_TOOLKIT=none
1891   ;;
1892 esac
1893
1894 ### If we're using X11, we should use the X menu package.
1895 HAVE_MENUS=no
1896 case ${HAVE_X11} in
1897   yes ) HAVE_MENUS=yes ;;
1898 esac
1899
1900 if test "${opsys}" = "hpux9"; then
1901   case "${x_libraries}" in
1902     *X11R4* )
1903       opsysfile="s/hpux9-x11r4.h"
1904       ;;
1905   esac
1906 fi
1907
1908 if test "${opsys}" = "hpux9shr"; then
1909   case "${x_libraries}" in
1910     *X11R4* )
1911       opsysfile="s/hpux9shxr4.h"
1912       ;;
1913   esac
1914 fi
1915
1916 ### Compute the unexec source name from the object name.
1917 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1918
1919 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1920 # Assume not, until told otherwise.
1921 GNU_MALLOC=yes
1922 doug_lea_malloc=yes
1923 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1924 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1925 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1926                emacs_cv_var___after_morecore_hook,
1927 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1928   emacs_cv_var___after_morecore_hook=yes,
1929   emacs_cv_var___after_morecore_hook=no)])
1930 if test $emacs_cv_var___after_morecore_hook = no; then
1931   doug_lea_malloc=no
1932 fi
1933 if test "${system_malloc}" = "yes"; then
1934   GNU_MALLOC=no
1935   GNU_MALLOC_reason="
1936     (The GNU allocators don't work with this system configuration.)"
1937 fi
1938 if test "$doug_lea_malloc" = "yes" ; then
1939   if test "$GNU_MALLOC" = yes ; then
1940     GNU_MALLOC_reason="
1941       (Using Doug Lea's new malloc from the GNU C Library.)"
1942   fi
1943   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1944             [Define to 1 if you are using the GNU C Library.])
1945 fi
1946
1947 if test x"${REL_ALLOC}" = x; then
1948   REL_ALLOC=${GNU_MALLOC}
1949 fi
1950
1951 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1952 dnl the system configuration file (s/*.h) to turn the use of mmap
1953 dnl in the relocating allocator on.
1954
1955 AC_FUNC_MMAP
1956 if test $use_mmap_for_buffers = yes; then
1957   REL_ALLOC=no
1958 fi
1959
1960 LIBS="$libsrc_libs $LIBS"
1961
1962 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1963 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1964 AC_CHECK_LIB(dnet, dnet_ntoa)
1965 dnl This causes -lresolv to get used in subsequent tests,
1966 dnl which causes failures on some systems such as HPUX 9.
1967 dnl AC_CHECK_LIB(resolv, gethostbyname)
1968
1969 dnl FIXME replace main with a function we actually want from this library.
1970 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1971
1972 AC_CHECK_LIB(pthreads, cma_open)
1973
1974 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1975 if test -d /usr/X386/include; then
1976   HAVE_XFREE386=yes
1977   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1978 else
1979   HAVE_XFREE386=no
1980 fi
1981 AC_MSG_RESULT($HAVE_XFREE386)
1982
1983 dnl Check for need for bigtoc support on IBM AIX
1984
1985 case ${host_os} in
1986 aix*)
1987   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1988     case $GCC in
1989     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1990     *) gdb_cv_bigtoc=-bbigtoc ;;
1991     esac
1992
1993     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1994     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1995   ])
1996   ;;
1997 esac
1998
1999 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2000 # used for the tests that follow.  We set them back to REAL_CFLAGS and
2001 # REAL_CPPFLAGS later on.
2002
2003 REAL_CPPFLAGS="$CPPFLAGS"
2004
2005 if test "${HAVE_X11}" = "yes"; then
2006   DEFS="$C_SWITCH_X_SITE $DEFS"
2007   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2008   LIBS="$LIBX $LIBS"
2009   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2010   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2011
2012   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2013   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
2014   # but it's more convenient here to set LD_RUN_PATH
2015   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
2016   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2017     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2018     export LD_RUN_PATH
2019   fi
2020
2021   if test "${opsys}" = "gnu-linux"; then
2022     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2023     AC_TRY_LINK([],
2024      [XOpenDisplay ("foo");],
2025      [xlinux_first_failure=no],
2026      [xlinux_first_failure=yes])
2027     if test "${xlinux_first_failure}" = "yes"; then
2028       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2029       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2030       OLD_CPPFLAGS="$CPPFLAGS"
2031       OLD_LIBS="$LIBS"
2032       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2033       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2034       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2035       LIBS="$LIBS -b i486-linuxaout"
2036       AC_TRY_LINK([],
2037        [XOpenDisplay ("foo");],
2038        [xlinux_second_failure=no],
2039        [xlinux_second_failure=yes])
2040       if test "${xlinux_second_failure}" = "yes"; then
2041         # If we get the same failure with -b, there is no use adding -b.
2042         # So take it out.  This plays safe.
2043         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2044         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2045         CPPFLAGS="$OLD_CPPFLAGS"
2046         LIBS="$OLD_LIBS"
2047         AC_MSG_RESULT(no)
2048       else
2049         AC_MSG_RESULT(yes)
2050       fi
2051     else
2052       AC_MSG_RESULT(no)
2053     fi
2054   fi
2055
2056   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2057   # header files included from there.
2058   AC_MSG_CHECKING(for Xkb)
2059   AC_TRY_LINK([#include <X11/Xlib.h>
2060 #include <X11/XKBlib.h>],
2061         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
2062         emacs_xkb=yes, emacs_xkb=no)
2063   AC_MSG_RESULT($emacs_xkb)
2064   if test $emacs_xkb = yes; then
2065     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
2066   fi
2067
2068   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2069 XScreenNumberOfScreen XSetWMProtocols)
2070 fi
2071
2072 if test "${window_system}" = "x11"; then
2073   AC_MSG_CHECKING(X11 version 6)
2074   AC_CACHE_VAL(emacs_cv_x11_version_6,
2075   [AC_TRY_LINK([#include <X11/Xlib.h>],
2076 [#if XlibSpecificationRelease < 6
2077 fail;
2078 #endif
2079 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2080   if test $emacs_cv_x11_version_6 = yes; then
2081     AC_MSG_RESULT(6 or newer)
2082     AC_DEFINE(HAVE_X11R6, 1,
2083               [Define to 1 if you have the X11R6 or newer version of Xlib.])
2084   else
2085     AC_MSG_RESULT(before 6)
2086   fi
2087 fi
2088
2089 if test "${window_system}" = "x11"; then
2090   AC_MSG_CHECKING(X11 version 5)
2091   AC_CACHE_VAL(emacs_cv_x11_version_5,
2092   [AC_TRY_LINK([#include <X11/Xlib.h>],
2093 [#if XlibSpecificationRelease < 5
2094 fail;
2095 #endif
2096 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
2097   if test $emacs_cv_x11_version_5 = yes; then
2098     AC_MSG_RESULT(5 or newer)
2099     HAVE_X11R5=yes
2100     AC_DEFINE(HAVE_X11R5, 1,
2101               [Define to 1 if you have the X11R5 or newer version of Xlib.])
2102   else
2103     HAVE_X11R5=no
2104     AC_MSG_RESULT(before 5)
2105   fi
2106 fi
2107
2108 HAVE_GTK=no
2109 if test "${with_gtk}" = "yes" && test "$USE_X_TOOLKIT" = "gtk"; then
2110   USE_X_TOOLKIT=none
2111 fi
2112 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then
2113   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
2114     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
2115   fi
2116   GLIB_REQUIRED=2.6
2117   GTK_REQUIRED=2.6
2118   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2119
2120   dnl Check if --with-pkg-config-prog has been given.
2121   if test "X${with_pkg_config_prog}" != X; then
2122     PKG_CONFIG="${with_pkg_config_prog}"
2123   fi
2124   dnl Checks for libraries.
2125   PKG_CHECK_MODULES(GTK, $GTK_MODULES)
2126   AC_SUBST(GTK_CFLAGS)
2127   AC_SUBST(GTK_LIBS)
2128   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2129   CFLAGS="$CFLAGS $GTK_CFLAGS"
2130   LIBS="$GTK_LIBS $LIBS"
2131   dnl Try to compile a simple GTK program.
2132   GTK_COMPILES=no
2133   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2134   if test "${GTK_COMPILES}" != "yes"; then
2135     AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
2136   fi
2137
2138   HAVE_GTK=yes
2139   AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
2140   USE_X_TOOLKIT=none
2141
2142   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2143   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
2144   if test "$with_toolkit_scroll_bars" != no; then
2145     with_toolkit_scroll_bars=yes
2146   fi
2147
2148   dnl  Check if we can use multiple displays with this GTK version.
2149   dnl  If gdk_display_open exists, assume all others are there also.
2150   HAVE_GTK_MULTIDISPLAY=no
2151   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
2152   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
2153     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
2154               [Define to 1 if GTK can handle more than one display.])
2155   fi
2156   dnl  Check if we have the old file selection dialog.
2157   dnl  If gdk_display_open exists, assume all others are there also.
2158   HAVE_GTK_FILE_SELECTION=no
2159   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
2160
2161   dnl  Check if we have the new file chooser dialog
2162   dnl  If gdk_display_open exists, assume all others are there also.
2163   HAVE_GTK_FILE_CHOOSER=no
2164   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
2165
2166   if test "$HAVE_GTK_FILE_SELECTION" = yes \
2167      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
2168     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
2169               [Define to 1 if GTK has both file selection and chooser dialog.])
2170   fi
2171
2172   dnl Check if pthreads are available.  Emacs only needs this when using
2173   dnl gtk_file_chooser under Gnome.
2174   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
2175     HAVE_GTK_AND_PTHREAD=no
2176     AC_CHECK_HEADERS(pthread.h)
2177     if test "$ac_cv_header_pthread_h"; then
2178       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
2179     fi
2180     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
2181       case "${canonical}" in
2182         *-hpux*) ;;
2183         *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
2184       esac
2185       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
2186                [Define to 1 if you have GTK and pthread (-lpthread).])
2187     fi
2188   fi
2189 fi
2190
2191 ### Link with -lXft if available to work around a bug.
2192 HAVE_XFT=maybe
2193 if test "${HAVE_GTK}" = "yes"; then
2194   dnl Check if --with-pkg-config-prog has been given.
2195   if test "X${with_pkg_config_prog}" != X; then
2196     PKG_CONFIG="${with_pkg_config_prog}"
2197   fi
2198
2199   PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2200   if test "$HAVE_XFT" != no; then
2201     OLD_CFLAGS="$CPPFLAGS"
2202     OLD_CPPFLAGS="$CFLAGS"
2203     OLD_LIBS="$LIBS"
2204     CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2205     CFLAGS="$CFLAGS $XFT_CFLAGS"
2206     LIBS="$XFT_LIBS $LIBS"
2207     AC_CHECK_HEADER(X11/Xft/Xft.h,
2208       AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2209
2210     if test "${HAVE_XFT}" = "yes"; then
2211       AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2212       AC_SUBST(XFT_LIBS)
2213       C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2214     else
2215       CFLAGS="$OLD_CPPFLAGS"
2216       CFLAGS="$OLD_CFLAGS"
2217       LIBS="$OLD_LIBS"
2218     fi
2219   fi
2220 fi
2221
2222 dnl Do not put whitespace before the #include statements below.
2223 dnl Older compilers (eg sunos4 cc) choke on it.
2224 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2225   if test x"${HAVE_X11R5}" = xyes; then
2226     AC_MSG_CHECKING(X11 version 5 with Xaw)
2227     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
2228     [AC_TRY_LINK([
2229 #include <X11/Intrinsic.h>
2230 #include <X11/Xaw/Simple.h>],
2231       [],
2232       emacs_cv_x11_version_5_with_xaw=yes,
2233       emacs_cv_x11_version_5_with_xaw=no)])
2234     if test $emacs_cv_x11_version_5_with_xaw = yes; then
2235       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
2236       USE_X_TOOLKIT=LUCID
2237     else
2238       if test x"${USE_X_TOOLKIT}" = xLUCID; then
2239         AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2240       else
2241         AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
2242         USE_X_TOOLKIT=none
2243       fi
2244     fi
2245   else
2246     USE_X_TOOLKIT=none
2247   fi
2248 fi
2249
2250 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2251
2252 if test "${USE_X_TOOLKIT}" != "none"; then
2253   AC_MSG_CHECKING(X11 toolkit version)
2254   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2255   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2256 [#if XtSpecificationRelease < 6
2257 fail;
2258 #endif
2259 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2260   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2261   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2262     AC_MSG_RESULT(6 or newer)
2263     AC_DEFINE(HAVE_X11XTR6, 1,
2264               [Define to 1 if you have the X11R6 or newer version of Xt.])
2265   else
2266     AC_MSG_RESULT(before 6)
2267   fi
2268
2269 dnl If using toolkit, check whether libXmu.a exists.
2270 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2271   OLDLIBS="$LIBS"
2272   if test x$HAVE_X11XTR6 = xyes; then
2273     LIBS="-lXt -lSM -lICE $LIBS"
2274   else
2275     LIBS="-lXt $LIBS"
2276   fi
2277   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2278   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2279 fi
2280
2281 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2282 if test "${HAVE_X11}" = "yes"; then
2283   if test "${USE_X_TOOLKIT}" != "none"; then
2284     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2285   fi
2286 fi
2287
2288 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2289   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2290   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2291     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2292 int x = 5;
2293 #else
2294 Motif version prior to 2.1.
2295 #endif],
2296     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2297   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
2298   if test $emacs_cv_motif_version_2_1 = yes; then
2299     HAVE_LIBXP=no
2300     AC_DEFINE(HAVE_MOTIF_2_1, 1,
2301               [Define to 1 if you have Motif 2.1 or newer.])
2302     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
2303     if test ${HAVE_LIBXP} = yes; then
2304       AC_DEFINE(HAVE_LIBXP, 1,
2305                 [Define to 1 if you have the Xp library (-lXp).])
2306     fi
2307   else
2308     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2309     # We put this in CFLAGS temporarily to precede other -I options
2310     # that might be in CFLAGS temporarily.
2311     # We put this in CPPFLAGS where it precedes the other -I options.
2312     OLD_CPPFLAGS=$CPPFLAGS
2313     OLD_CFLAGS=$CFLAGS
2314     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2315     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2316     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2317       [int x = 5;],
2318       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2319     if test $emacs_cv_lesstif = yes; then
2320       # Make sure this -I option remains in CPPFLAGS after it is set
2321       # back to REAL_CPPFLAGS.
2322       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2323       # have those other -I options anyway.  Ultimately, having this
2324       # directory ultimately in CPPFLAGS will be enough.
2325       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2326       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2327     else
2328       CFLAGS=$OLD_CFLAGS
2329       CPPFLAGS=$OLD_CPPFLAGS
2330     fi
2331   fi
2332 fi
2333
2334 ### Is -lXaw3d available?
2335 HAVE_XAW3D=no
2336 if test "${HAVE_X11}" = "yes"; then
2337   if test "${USE_X_TOOLKIT}" != "none" && test "${with_toolkit_scroll_bars}" != "no"; then
2338     dnl Fixme: determine what Scrollbar.h needs to avoid compilation
2339     dnl errors from the test without the `-'.
2340     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
2341         [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes)], , -)
2342     if test "${HAVE_XAW3D}" = "yes"; then
2343         AC_DEFINE(HAVE_XAW3D, 1,
2344                   [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2345     fi
2346   fi
2347 fi
2348
2349 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2350 dnl using Motif or Xaw3d is available, and unless
2351 dnl --with-toolkit-scroll-bars=no was specified.
2352
2353 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2354             [Define to 1 if we should use toolkit scroll bars.])dnl
2355 USE_TOOLKIT_SCROLL_BARS=no
2356 if test "${with_toolkit_scroll_bars}" != "no"; then
2357   if test "${USE_X_TOOLKIT}" != "none"; then
2358     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2359       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2360       HAVE_XAW3D=no
2361       USE_TOOLKIT_SCROLL_BARS=yes
2362     elif test "${HAVE_XAW3D}" = "yes"; then
2363       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2364       USE_TOOLKIT_SCROLL_BARS=yes
2365     fi
2366   elif test "${HAVE_GTK}" = "yes"; then
2367     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2368     USE_TOOLKIT_SCROLL_BARS=yes
2369   elif test "${HAVE_CARBON}" = "yes"; then
2370     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2371     USE_TOOLKIT_SCROLL_BARS=yes
2372   fi
2373 fi
2374
2375 dnl See if XIM is available.
2376 AC_TRY_COMPILE([
2377           #include <X11/Xlib.h>
2378           #include <X11/Xresource.h>],
2379          [XIMProc  callback;],
2380          HAVE_XIM=yes
2381          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available]),
2382          HAVE_XIM=no)
2383
2384 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2385
2386 if test "${with_xim}" != "no"; then
2387   AC_DEFINE(USE_XIM, 1,
2388             [Define to 1 if we should use XIM, if it is available.])
2389 fi
2390
2391
2392 if test "${HAVE_XIM}" != "no"; then
2393   late_CFLAGS=$CFLAGS
2394   if test "$GCC" = yes; then
2395     CFLAGS="$CFLAGS --pedantic-errors"
2396   fi
2397   AC_TRY_COMPILE([
2398 #include <X11/Xlib.h>
2399 #include <X11/Xresource.h>],
2400 [Display *display;
2401 XrmDatabase db;
2402 char *res_name;
2403 char *res_class;
2404 XIMProc  callback;
2405 XPointer *client_data;
2406 #ifndef __GNUC__
2407 /* If we're not using GCC, it's probably not XFree86, and this is
2408    probably right, but we can't use something like --pedantic-errors.  */
2409 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2410                                            char*, XIMProc, XPointer*);
2411 #endif
2412 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2413    client_data);],
2414     [emacs_cv_arg6_star=yes])
2415   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2416          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2417 either XPointer or XPointer*.])dnl
2418   if test "$emacs_cv_arg6_star" = yes; then
2419     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2420   else
2421     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2422   fi
2423   CFLAGS=$late_CFLAGS
2424 fi
2425
2426 ### Use -lXpm if available, unless `--with-xpm=no'.
2427 HAVE_XPM=no
2428 if test "${HAVE_X11}" = "yes"; then
2429   if test "${with_xpm}" != "no"; then
2430     AC_CHECK_HEADER(X11/xpm.h,
2431       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
2432     if test "${HAVE_XPM}" = "yes"; then
2433       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2434       AC_EGREP_CPP(no_return_alloc_pixels,
2435       [#include "X11/xpm.h"
2436 #ifndef XpmReturnAllocPixels
2437 no_return_alloc_pixels
2438 #endif
2439       ], HAVE_XPM=no, HAVE_XPM=yes)
2440
2441       if test "${HAVE_XPM}" = "yes"; then
2442         AC_MSG_RESULT(yes)
2443       else
2444         AC_MSG_RESULT(no)
2445       fi
2446     fi
2447   fi
2448
2449   if test "${HAVE_XPM}" = "yes"; then
2450     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2451   fi
2452 fi
2453
2454 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2455 HAVE_JPEG=no
2456 if test "${HAVE_X11}" = "yes"; then
2457   if test "${with_jpeg}" != "no"; then
2458     dnl Checking for jpeglib.h can lose because of a redefinition of
2459     dnl  HAVE_STDLIB_H.
2460     AC_CHECK_HEADER(jerror.h,
2461       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
2462   fi
2463
2464   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2465   if test "${HAVE_JPEG}" = "yes"; then
2466     AC_DEFINE(HAVE_JPEG)
2467     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2468         [#include <jpeglib.h>
2469          version=JPEG_LIB_VERSION
2470 ],
2471         AC_DEFINE(HAVE_JPEG),
2472         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2473         HAVE_JPEG=no])
2474   fi
2475 fi
2476
2477 ### Use -lpng if available, unless `--with-png=no'.
2478 HAVE_PNG=no
2479 if test "${HAVE_X11}" = "yes"; then
2480   if test "${with_png}" != "no"; then
2481     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2482     # in /usr/include/libpng.
2483     AC_CHECK_HEADERS(png.h libpng/png.h)
2484     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2485       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2486     fi
2487   fi
2488
2489   if test "${HAVE_PNG}" = "yes"; then
2490     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2491   fi
2492 fi
2493
2494 ### Use -ltiff if available, unless `--with-tiff=no'.
2495 HAVE_TIFF=no
2496 if test "${HAVE_X11}" = "yes"; then
2497   if test "${with_tiff}" != "no"; then
2498     AC_CHECK_HEADER(tiffio.h,
2499       tifflibs="-lz -lm"
2500       # At least one tiff package requires the jpeg library.
2501       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2502       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
2503   fi
2504
2505   if test "${HAVE_TIFF}" = "yes"; then
2506     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2507   fi
2508 fi
2509
2510 ### Use -lgif if available, unless `--with-gif=no'.
2511 HAVE_GIF=no
2512 if test "${HAVE_X11}" = "yes"; then
2513   if test "${with_gif}" != "no"; then
2514     AC_CHECK_HEADER(gif_lib.h,
2515 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2516 # Earlier versions can crash Emacs.
2517       AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
2518   fi
2519
2520   if test "${HAVE_GIF}" = "yes"; then
2521     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have the ungif library (-lungif).])
2522   fi
2523 fi
2524
2525 dnl Check for malloc/malloc.h on darwin
2526 AC_CHECK_HEADER(malloc/malloc.h, AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.]))
2527
2528 ### Use Mac OS X Carbon API to implement GUI.
2529 if test "${HAVE_CARBON}" = "yes"; then
2530   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2531   ## Specify the install directory
2532   carbon_appdir=
2533   if test "${carbon_appdir_x}" != ""; then
2534     case ${carbon_appdir_x} in
2535       y | ye | yes)  carbon_appdir=/Applications ;;
2536       * ) carbon_appdir=${carbon_appdir_x} ;;
2537     esac
2538   fi
2539   # We also have mouse menus.
2540   HAVE_MENUS=yes
2541 fi
2542
2543 ### Use session management (-lSM -lICE) if available
2544 HAVE_X_SM=no
2545 if test "${HAVE_X11}" = "yes"; then
2546   AC_CHECK_HEADER(X11/SM/SMlib.h,
2547     AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE))
2548
2549   if test "${HAVE_X_SM}" = "yes"; then
2550     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2551     case "$LIBS" in
2552       *-lSM*) ;;
2553       *)      LIBS="-lSM -lICE $LIBS" ;;
2554     esac
2555   fi
2556 fi
2557
2558 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2559 AC_CACHE_CHECK(whether netdb declares h_errno,
2560                emacs_cv_netdb_declares_h_errno,
2561 [AC_TRY_LINK([#include <netdb.h>],
2562   [return h_errno;],
2563   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2564 if test $emacs_cv_netdb_declares_h_errno = yes; then
2565   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2566 fi
2567
2568 AC_FUNC_ALLOCA
2569
2570 # fmod, logb, and frexp are found in -lm on most systems.
2571 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2572 AC_CHECK_LIB(m, sqrt)
2573
2574 # Check for mail-locking functions in a "mail" library.  Probably this should
2575 # have the same check as for liblockfile below.
2576 AC_CHECK_LIB(mail, maillock)
2577 dnl Debian, at least:
2578 AC_CHECK_LIB(lockfile, maillock)
2579 # If we have the shared liblockfile, assume we must use it for mail
2580 # locking (e.g. Debian).  If we couldn't link against liblockfile
2581 # (no liblockfile.a installed), ensure that we don't need to.
2582 if test "$ac_cv_lib_lockfile_maillock" = no; then
2583   dnl This works for files generally, not just executables.
2584   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2585   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2586                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2587   if test $ac_cv_prog_liblockfile = yes; then
2588     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2589 This probably means that movemail could lose mail.
2590 There may be a `development' package to install containing liblockfile.])
2591   else :
2592   fi
2593 fi
2594 AC_CHECK_FUNCS(touchlock)
2595 AC_CHECK_HEADERS(maillock.h)
2596
2597 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2598 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2599 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
2600 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2601 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2602 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2603 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2604 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2605 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2606
2607 AC_CHECK_HEADERS(sys/un.h)
2608
2609 AC_FUNC_MKTIME
2610 if test "$ac_cv_func_working_mktime" = no; then
2611   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2612 fi
2613
2614 AC_FUNC_GETLOADAVG
2615
2616 AC_FUNC_FSEEKO
2617
2618 # Configure getopt.
2619 m4_include([m4/getopt.m4])
2620 gl_GETOPT_IFELSE([
2621   gl_GETOPT_SUBSTITUTE_HEADER
2622   gl_PREREQ_GETOPT
2623   GETOPTOBJS='getopt.o getopt1.o'
2624 ])
2625 AC_SUBST(GETOPTOBJS)
2626
2627 AC_FUNC_GETPGRP
2628
2629 AC_FUNC_STRFTIME
2630
2631 # UNIX98 PTYs.
2632 AC_CHECK_FUNCS(grantpt)
2633
2634 # PTY-related GNU extensions.
2635 AC_CHECK_FUNCS(getpt)
2636
2637 # Check this now, so that we will NOT find the above functions in ncurses.
2638 # That is because we have not set up to link ncurses in lib-src.
2639 # It's better to believe a function is not available
2640 # than to expect to find it in ncurses.
2641 AC_CHECK_LIB(ncurses, tparm)
2642
2643 # Do we need the Hesiod library to provide the support routines?
2644 if test "$with_hesiod" = yes ; then
2645   # Don't set $LIBS here -- see comments above.
2646   resolv=no
2647   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2648      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2649                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2650   if test "$resolv" = yes ; then
2651     RESOLVLIB=-lresolv
2652     AC_DEFINE(HAVE_LIBRESOLV, 1,
2653               [Define to 1 if you have the resolv library (-lresolv).])
2654   else
2655     RESOLVLIB=
2656   fi
2657   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2658         AC_DEFINE(HAVE_LIBHESIOD, 1,
2659                   [Define to 1 if you have the hesiod library (-lhesiod).]),
2660         :, $RESOLVLIB)])
2661 fi
2662
2663 # These tell us which Kerberos-related libraries to use.
2664 if test "${with_kerberos+set}" = set; then
2665   AC_CHECK_LIB(com_err, com_err)
2666   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2667   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2668   AC_CHECK_LIB(krb5, krb5_init_context)
2669   if test "${with_kerberos5+set}" != set; then
2670     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2671                  AC_CHECK_LIB(des, des_cbc_encrypt))
2672     AC_CHECK_LIB(krb4, krb_get_cred,,
2673                  AC_CHECK_LIB(krb, krb_get_cred))
2674   fi
2675
2676   if test "${with_kerberos5+set}" = set; then
2677     AC_CHECK_HEADERS(krb5.h)
2678   else
2679     AC_CHECK_HEADERS(des.h,,
2680                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2681                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2682     AC_CHECK_HEADERS(krb.h,,
2683                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2684                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2685   fi
2686   AC_CHECK_HEADERS(com_err.h)
2687 fi
2688
2689 # Solaris requires -lintl if you want strerror (which calls dgettext)
2690 # to return localized messages.
2691 AC_CHECK_LIB(intl, dgettext)
2692
2693 AC_MSG_CHECKING(whether localtime caches TZ)
2694 AC_CACHE_VAL(emacs_cv_localtime_cache,
2695 [if test x$ac_cv_func_tzset = xyes; then
2696 AC_TRY_RUN([#include <time.h>
2697 extern char **environ;
2698 unset_TZ ()
2699 {
2700   char **from, **to;
2701   for (to = from = environ; (*to = *from); from++)
2702     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2703       to++;
2704 }
2705 char TZ_GMT0[] = "TZ=GMT0";
2706 char TZ_PST8[] = "TZ=PST8";
2707 main()
2708 {
2709   time_t now = time ((time_t *) 0);
2710   int hour_GMT0, hour_unset;
2711   if (putenv (TZ_GMT0) != 0)
2712     exit (1);
2713   hour_GMT0 = localtime (&now)->tm_hour;
2714   unset_TZ ();
2715   hour_unset = localtime (&now)->tm_hour;
2716   if (putenv (TZ_PST8) != 0)
2717     exit (1);
2718   if (localtime (&now)->tm_hour == hour_GMT0)
2719     exit (1);
2720   unset_TZ ();
2721   if (localtime (&now)->tm_hour != hour_unset)
2722     exit (1);
2723   exit (0);
2724 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2725 [# If we have tzset, assume the worst when cross-compiling.
2726 emacs_cv_localtime_cache=yes])
2727 else
2728         # If we lack tzset, report that localtime does not cache TZ,
2729         # since we can't invalidate the cache if we don't have tzset.
2730         emacs_cv_localtime_cache=no
2731 fi])dnl
2732 AC_MSG_RESULT($emacs_cv_localtime_cache)
2733 if test $emacs_cv_localtime_cache = yes; then
2734   AC_DEFINE(LOCALTIME_CACHE, 1,
2735             [Define to 1 if localtime caches TZ.])
2736 fi
2737
2738 if test "x$HAVE_TIMEVAL" = xyes; then
2739   AC_CHECK_FUNCS(gettimeofday)
2740   if test $ac_cv_func_gettimeofday = yes; then
2741     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2742                    emacs_cv_gettimeofday_two_arguments,
2743     [AC_TRY_COMPILE([
2744 #ifdef TIME_WITH_SYS_TIME
2745 #include <sys/time.h>
2746 #include <time.h>
2747 #else
2748 #ifdef HAVE_SYS_TIME_H
2749 #include <sys/time.h>
2750 #else
2751 #include <time.h>
2752 #endif
2753 #endif],
2754       [struct timeval time;
2755        gettimeofday (&time, 0);],
2756       emacs_cv_gettimeofday_two_arguments=yes,
2757       emacs_cv_gettimeofday_two_arguments=no)])
2758     if test $emacs_cv_gettimeofday_two_arguments = no; then
2759       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2760                 [Define to 1 if gettimeofday accepts only one argument.])
2761     fi
2762   fi
2763 fi
2764
2765 ok_so_far=yes
2766 AC_CHECK_FUNC(socket, , ok_so_far=no)
2767 if test $ok_so_far = yes; then
2768   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2769 fi
2770 if test $ok_so_far = yes; then
2771   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2772 fi
2773 if test $ok_so_far = yes; then
2774 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2775   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2776             [Define to 1 if you have inet sockets.])
2777 fi
2778
2779 AC_CHECK_HEADERS(sys/ioctl.h)
2780
2781 if test -f /usr/lpp/X11/bin/smt.exp; then
2782   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2783             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2784 fi
2785
2786 AC_MSG_CHECKING(whether system supports dynamic ptys)
2787 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2788   AC_MSG_RESULT(yes)
2789   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2790 else
2791   AC_MSG_RESULT(no)
2792 fi
2793
2794 AC_FUNC_FORK
2795
2796 dnl Adapted from Haible's version.
2797 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2798   [AC_TRY_LINK([#include <langinfo.h>],
2799     [char* cs = nl_langinfo(CODESET);],
2800     emacs_cv_langinfo_codeset=yes,
2801     emacs_cv_langinfo_codeset=no)
2802   ])
2803 if test $emacs_cv_langinfo_codeset = yes; then
2804   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2805     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2806 fi
2807
2808 AC_CHECK_TYPES(size_t)
2809
2810 AC_TYPE_MBSTATE_T
2811
2812 dnl Restrict could probably be used effectively other than in regex.c.
2813 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2814   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2815                   emacs_cv_c_restrict=yes,
2816                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2817                                   emacs_cv_c_restrict=__restrict,
2818                                   emacs_cv_c_restrict=no)])])
2819 case "$emacs_cv_c_restrict" in
2820   yes) emacs_restrict=restrict;;
2821   no) emacs_restrict="";;
2822   *) emacs_restrict="$emacs_cv_c_restrict";;
2823 esac
2824 if test "$emacs_restrict" != __restrict; then
2825   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2826     [Define to compiler's equivalent of C99 restrict keyword.
2827      Don't define if equivalent is `__restrict'.])
2828 fi
2829
2830 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2831   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2832                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2833 if test "$emacs_cv_c_restrict_arr" = yes; then
2834   AC_DEFINE(__restrict_arr, __restrict,
2835     [Define to compiler's equivalent of C99 restrict keyword in array
2836      declarations.  Define as empty for no equivalent.])
2837 fi
2838
2839 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2840 dnl how the tty code is related to POSIX and/or other versions of termios.
2841 dnl The following looks like a useful start.
2842 dnl
2843 dnl AC_SYS_POSIX_TERMIOS
2844 dnl if test $ac_cv_sys_posix_termios = yes; then
2845 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2846 dnl                                and macros for terminal control.])
2847 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2848 dnl fi
2849
2850 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2851
2852 # Set up the CFLAGS for real compilation, so we can substitute it.
2853 CFLAGS="$REAL_CFLAGS"
2854 CPPFLAGS="$REAL_CPPFLAGS"
2855
2856 #### Find out which version of Emacs this is.
2857 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2858          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2859 if test x"${version}" = x; then
2860   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2861 fi
2862
2863 ### Specify what sort of things we'll be editing into Makefile and config.h.
2864 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2865 AC_SUBST(version)
2866 AC_SUBST(configuration)
2867 AC_SUBST(canonical)
2868 AC_SUBST(srcdir)
2869 AC_SUBST(prefix)
2870 AC_SUBST(exec_prefix)
2871 AC_SUBST(bindir)
2872 AC_SUBST(datadir)
2873 AC_SUBST(sharedstatedir)
2874 AC_SUBST(libexecdir)
2875 AC_SUBST(mandir)
2876 AC_SUBST(infodir)
2877 AC_SUBST(lispdir)
2878 AC_SUBST(locallisppath)
2879 AC_SUBST(lisppath)
2880 AC_SUBST(x_default_search_path)
2881 AC_SUBST(etcdir)
2882 AC_SUBST(archlibdir)
2883 AC_SUBST(docdir)
2884 AC_SUBST(bitmapdir)
2885 AC_SUBST(gamedir)
2886 AC_SUBST(gameuser)
2887 AC_SUBST(c_switch_system)
2888 AC_SUBST(c_switch_machine)
2889 AC_SUBST(LD_SWITCH_X_SITE)
2890 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2891 AC_SUBST(C_SWITCH_X_SITE)
2892 AC_SUBST(CFLAGS)
2893 AC_SUBST(X_TOOLKIT_TYPE)
2894 AC_SUBST(machfile)
2895 AC_SUBST(opsysfile)
2896 AC_SUBST(GETLOADAVG_LIBS)
2897 AC_SUBST(carbon_appdir)
2898
2899 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2900                    [Define to the canonical Emacs configuration name.])
2901 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2902                    [Define to the options passed to configure.])
2903 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2904                    [Define to the used machine dependent file.])
2905 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2906                    [Define to the used os dependent file.])
2907 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2908 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2909  may need to deal with X Windows.  For instance, if you've defined
2910  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2911  your loader can find on its own, you might want to add "-L/..." or
2912  something similar.])
2913 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2914                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2915                     in case it's needed (for Solaris, for example).])
2916 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2917 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2918  may need to deal with X Windows.  For instance, if you've defined
2919  HAVE_X_WINDOWS above and your X include files aren't in a place
2920  that your compiler can find on its own, you might want to add
2921  "-I/..." or something similar.])
2922 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2923                    [Define to the unexec source file name.])
2924
2925 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2926   AC_DEFINE(HAVE_X_WINDOWS, 1,
2927             [Define to 1 if you want to use the X window system.])
2928 fi
2929 if test "${USE_X_TOOLKIT}" != "none" ; then
2930   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2931 fi
2932 if test "${HAVE_X11}" = "yes" ; then
2933   AC_DEFINE(HAVE_X11, 1,
2934             [Define to 1 if you want to use version 11 of X windows.
2935              Otherwise, Emacs expects to use version 10.])
2936 fi
2937 if test "${HAVE_XFREE386}" = "yes" ; then
2938   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2939 fi
2940 if test "${HAVE_MENUS}" = "yes" ; then
2941   AC_DEFINE(HAVE_MENUS, 1,
2942             [Define to 1 if you have mouse menus.
2943              (This is automatic if you use X, but the option to specify it remains.)
2944              It is also defined with other window systems that support xmenu.c.])
2945 fi
2946 if test "${GNU_MALLOC}" = "yes" ; then
2947   AC_DEFINE(GNU_MALLOC, 1,
2948             [Define to 1 if you want to use the GNU memory allocator.])
2949 fi
2950 if test "${REL_ALLOC}" = "yes" ; then
2951   AC_DEFINE(REL_ALLOC, 1,
2952             [Define REL_ALLOC if you want to use the relocating allocator for
2953              buffer space.])
2954 fi
2955
2956 AH_TOP([/* GNU Emacs site configuration template file.
2957    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
2958      2006, 2007, 2008  Free Software Foundation, Inc.
2959
2960 This file is part of GNU Emacs.
2961
2962 GNU Emacs is free software; you can redistribute it and/or modify
2963 it under the terms of the GNU General Public License as published by
2964 the Free Software Foundation; either version 3, or (at your option)
2965 any later version.
2966
2967 GNU Emacs is distributed in the hope that it will be useful,
2968 but WITHOUT ANY WARRANTY; without even the implied warranty of
2969 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2970 GNU General Public License for more details.
2971
2972 You should have received a copy of the GNU General Public License
2973 along with GNU Emacs; see the file COPYING.  If not, write to the
2974 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
2975 Boston, MA 02110-1301, USA.  */
2976
2977
2978 /* No code in Emacs #includes config.h twice, but some bits of code
2979    intended to work with other packages as well (like gmalloc.c)
2980    think they can include it as many times as they like.  */
2981 #ifndef EMACS_CONFIG_H
2982 #define EMACS_CONFIG_H
2983 ])dnl
2984
2985 AH_BOTTOM([
2986 /* If we're using any sort of window system, define some consequences.  */
2987 #ifdef HAVE_X_WINDOWS
2988 #define HAVE_WINDOW_SYSTEM
2989 #define MULTI_KBOARD
2990 #define HAVE_MOUSE
2991 #endif
2992
2993 /* If we're using the Carbon API on Mac OS X, define a few more
2994    variables as well.  */
2995 #ifdef HAVE_CARBON
2996 #define HAVE_WINDOW_SYSTEM
2997 #define HAVE_MOUSE
2998 #endif
2999
3000 /* Define USER_FULL_NAME to return a string
3001    that is the user's full name.
3002    It can assume that the variable `pw'
3003    points to the password file entry for this user.
3004
3005    At some sites, the pw_gecos field contains
3006    the user's full name.  If neither this nor any other
3007    field contains the right thing, use pw_name,
3008    giving the user's login name, since that is better than nothing.  */
3009 #define USER_FULL_NAME pw->pw_gecos
3010
3011 /* Define AMPERSAND_FULL_NAME if you use the convention
3012    that & in the full name stands for the login id.  */
3013 /* Turned on June 1996 supposing nobody will mind it.  */
3014 #define AMPERSAND_FULL_NAME
3015
3016 /* We have blockinput.h.  */
3017 #define DO_BLOCK_INPUT
3018
3019 /* Define HAVE_SOUND if we have sound support.  We know it works
3020    and compiles only on the specified platforms.   For others,
3021    it probably doesn't make sense to try.  */
3022
3023 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
3024 #ifdef HAVE_MACHINE_SOUNDCARD_H
3025 #define HAVE_SOUND 1
3026 #endif
3027 #ifdef HAVE_SYS_SOUNDCARD_H
3028 #define HAVE_SOUND 1
3029 #endif
3030 #ifdef HAVE_SOUNDCARD_H
3031 #define HAVE_SOUND 1
3032 #endif
3033 #ifdef HAVE_ALSA
3034 #define HAVE_SOUND 1
3035 #endif
3036 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
3037
3038 /* If using GNU, then support inline function declarations. */
3039 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3040    generally, because even if non-gcc compilers accept `inline', they
3041    may reject `extern inline'.  */
3042 #if defined (__GNUC__) && defined (OPTIMIZE)
3043 #define INLINE __inline__
3044 #else
3045 #define INLINE
3046 #endif
3047
3048 /* Include the os and machine dependent files.  */
3049 #include config_opsysfile
3050 #include config_machfile
3051
3052 /* Load in the conversion definitions if this system
3053    needs them and the source file being compiled has not
3054    said to inhibit this.  There should be no need for you
3055    to alter these lines.  */
3056
3057 #ifdef SHORTNAMES
3058 #ifndef NO_SHORTNAMES
3059 #include "../shortnames/remap.h"
3060 #endif /* not NO_SHORTNAMES */
3061 #endif /* SHORTNAMES */
3062
3063 /* If no remapping takes place, static variables cannot be dumped as
3064    pure, so don't worry about the `static' keyword. */
3065 #ifdef NO_REMAP
3066 #undef static
3067 #endif
3068
3069 /* Define `subprocesses' should be defined if you want to
3070    have code for asynchronous subprocesses
3071    (as used in M-x compile and M-x shell).
3072    These do not work for some USG systems yet;
3073    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
3074
3075 #ifndef VMS
3076 #ifndef USG
3077 /* #define subprocesses */
3078 #endif
3079 #endif
3080
3081 /* SIGTYPE is the macro we actually use.  */
3082 #ifndef SIGTYPE
3083 #define SIGTYPE RETSIGTYPE
3084 #endif
3085
3086 #ifdef emacs /* Don't do this for lib-src.  */
3087 /* Tell regex.c to use a type compatible with Emacs.  */
3088 #define RE_TRANSLATE_TYPE Lisp_Object
3089 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3090 #ifdef make_number
3091 /* If make_number is a macro, use it.  */
3092 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3093 #else
3094 /* If make_number is a function, avoid it.  */
3095 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3096 #endif
3097 #endif
3098
3099 /* Avoid link-time collision with system mktime if we will use our own.  */
3100 #if ! HAVE_MKTIME || BROKEN_MKTIME
3101 #define mktime emacs_mktime
3102 #endif
3103
3104 #define my_strftime nstrftime   /* for strftime.c */
3105
3106 /* The rest of the code currently tests the CPP symbol BSTRING.
3107    Override any claims made by the system-description files.
3108    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
3109 #undef BSTRING
3110 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
3111 #define BSTRING
3112 #endif
3113
3114 /* Some of the files of Emacs which are intended for use with other
3115    programs assume that if you have a config.h file, you must declare
3116    the type of getenv.
3117
3118    This declaration shouldn't appear when alloca.s or Makefile.in
3119    includes config.h.  */
3120 #ifndef NOT_C_CODE
3121 extern char *getenv ();
3122 #endif
3123
3124 /* These default definitions are good for almost all machines.
3125    The exceptions override them in m/MACHINE.h.  */
3126
3127 #ifndef BITS_PER_CHAR
3128 #define BITS_PER_CHAR 8
3129 #endif
3130
3131 #ifndef BITS_PER_SHORT
3132 #define BITS_PER_SHORT 16
3133 #endif
3134
3135 /* Note that lisp.h uses this in a preprocessor conditional, so it
3136    would not work to use sizeof.  That being so, we do all of them
3137    without sizeof, for uniformity's sake.  */
3138 #ifndef BITS_PER_INT
3139 #define BITS_PER_INT 32
3140 #endif
3141
3142 #ifndef BITS_PER_LONG
3143 #ifdef _LP64
3144 #define BITS_PER_LONG 64
3145 #else
3146 #define BITS_PER_LONG 32
3147 #endif
3148 #endif
3149
3150 /* Define if the compiler supports function prototypes.  It may do so
3151    but not define __STDC__ (e.g. DEC C by default) or may define it as
3152    zero.  */
3153 #undef PROTOTYPES
3154 /* For mktime.c:  */
3155 #ifndef __P
3156 # if defined PROTOTYPES
3157 #  define __P(args) args
3158 # else
3159 #  define __P(args) ()
3160 # endif  /* GCC.  */
3161 #endif /* __P */
3162
3163 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
3164 #ifndef NOT_C_CODE
3165 #ifdef HAVE_STRING_H
3166 #include "string.h"
3167 #endif
3168 #ifdef HAVE_STRINGS_H
3169 #include "strings.h"  /* May be needed for bcopy & al. */
3170 #endif
3171 #ifdef HAVE_STDLIB_H
3172 #include <stdlib.h>
3173 #endif
3174 #ifndef __GNUC__
3175 # ifdef HAVE_ALLOCA_H
3176 #  include <alloca.h>
3177 # else /* AIX files deal with #pragma.  */
3178 #  ifndef alloca /* predefined by HP cc +Olibcalls */
3179 char *alloca ();
3180 #  endif
3181 # endif /* HAVE_ALLOCA_H */
3182 #endif /* __GNUC__ */
3183 #ifndef HAVE_SIZE_T
3184 typedef unsigned size_t;
3185 #endif
3186 #endif /* NOT_C_CODE */
3187
3188 /* Define HAVE_X_I18N if we have usable i18n support.  */
3189
3190 #ifdef HAVE_X11R6
3191 #define HAVE_X_I18N
3192 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
3193 #define HAVE_X_I18N
3194 #endif
3195
3196 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
3197
3198 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3199 #define HAVE_X11R6_XIM
3200 #endif
3201
3202 /* Should we enable expensive run-time checking of data types?  */
3203 #undef ENABLE_CHECKING
3204
3205 #if defined __GNUC__ && (__GNUC__ > 2 \
3206                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3207 #define NO_RETURN       __attribute__ ((__noreturn__))
3208 #else
3209 #define NO_RETURN       /* nothing */
3210 #endif
3211
3212 /* These won't be used automatically yet.  We also need to know, at least,
3213    that the stack is continuous.  */
3214 #ifdef __GNUC__
3215 #  ifndef GC_SETJMP_WORKS
3216   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
3217      see NON_SAVING_SETJMP in the target descriptions.  */
3218   /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
3219      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
3220      Fixme: Deal with ns32k, SVR3.  */
3221 #    define GC_SETJMP_WORKS 1
3222 #  endif
3223 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3224 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3225 #  endif
3226 #endif
3227
3228 #ifndef HAVE_BCOPY
3229 #define bcopy(a,b,s) memcpy (b,a,s)
3230 #endif
3231 #ifndef HAVE_BZERO
3232 #define bzero(a,s) memset (a,0,s)
3233 #endif
3234 #ifndef HAVE_BCMP
3235 #define BCMP memcmp
3236 #endif
3237
3238 #endif /* EMACS_CONFIG_H */
3239
3240 /*
3241 Local Variables:
3242 mode: c
3243 End:
3244 */
3245 ])dnl
3246
3247 #### Report on what we decided to do.
3248 #### Report GTK as a toolkit, even if it doesn't use Xt.
3249 #### It makes printing result more understandable as using GTK sets
3250 #### toolkit_scroll_bars to yes by default.
3251 if test "${HAVE_GTK}" = "yes"; then
3252   USE_X_TOOLKIT=GTK
3253 fi
3254
3255 echo "
3256 Configured for \`${canonical}'.
3257
3258   Where should the build process find the source code?    ${srcdir}
3259   What operating system and machine description files should Emacs use?
3260         \`${opsysfile}' and \`${machfile}'
3261   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3262   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3263   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3264   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3265   What window system should Emacs use?                    ${window_system}
3266   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3267
3268 if test -n "${x_includes}"; then
3269 echo "  Where do we find X Windows header files?                ${x_includes}"
3270 else
3271 echo "  Where do we find X Windows header files?                Standard dirs"
3272 fi
3273 if test -n "${x_libraries}"; then
3274 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3275 else
3276 echo "  Where do we find X Windows libraries?                   Standard dirs"
3277 fi
3278
3279 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3280 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3281 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3282 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3283 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
3284 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3285 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3286 echo
3287
3288 if test $USE_XASSERTS = yes; then
3289    echo "  Compiling with asserts turned on."
3290    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3291    echo
3292 fi
3293
3294 if test "$USE_X_TOOLKIT" = GTK; then
3295   case "$canonical" in
3296   *cygwin*)
3297     echo "There are known problems with Emacs and Gtk+ on cygwin, so you
3298   will probably get a crash on startup.  If this happens, please use another
3299   toolkit for Emacs.  See etc/PROBLEMS for more information."
3300   ;;
3301   esac
3302 fi
3303
3304
3305
3306 # Remove any trailing slashes in these variables.
3307 [test "${prefix}" != NONE &&
3308   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3309 test "${exec_prefix}" != NONE &&
3310   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3311
3312 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3313 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3314 ## from Makefile.c can correctly provide the arg `-traditional' to the
3315 ## C preprocessor.
3316
3317 AC_EGREP_CPP(yes..yes,
3318         [yes..yes],
3319         CPP_NEED_TRADITIONAL=no,
3320         CPP_NEED_TRADITIONAL=yes)
3321
3322 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3323         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
3324         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
3325
3326 ### Make the necessary directories, if they don't exist.
3327 for dir in etc lisp ; do
3328   test -d ${dir} || mkdir ${dir}
3329 done
3330
3331 # Build src/Makefile from ${srcdir}/src/Makefile.c
3332 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3333 # This must be done after src/config.h is built, since we rely on that file.
3334
3335 # Now get this: Some word that is part of the ${srcdir} directory name
3336 # or the ${configuration} value might, just might, happen to be an
3337 # identifier like `sun4' or `i386' or something, and be predefined by
3338 # the C preprocessor to some helpful value like 1, or maybe the empty
3339 # string.  Needless to say consequent macro substitutions are less
3340 # than conducive to the makefile finding the correct directory.
3341 [undefs="`echo $top_srcdir $configuration $canonical |
3342 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3343     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3344 `"]
3345
3346 echo creating src/epaths.h
3347 ${MAKE-make} epaths-force
3348
3349 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3350 # `..' to `. .'  unless invoked with -traditional
3351
3352 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3353   CPPFLAGS="$CPPFLAGS -traditional"
3354 fi
3355
3356 echo creating lib-src/Makefile
3357 ( cd lib-src
3358   rm -f junk.c junk1.c junk2.c
3359   sed -e '/start of cpp stuff/q' \
3360       < Makefile.c > junk1.c
3361   sed -e '1,/start of cpp stuff/d'\
3362       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3363       < Makefile.c > junk.c
3364   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3365       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3366   cat junk1.c junk2.c > Makefile.new
3367   rm -f junk.c junk1.c junk2.c
3368   chmod 444 Makefile.new
3369   mv -f Makefile.new Makefile
3370 )
3371
3372 echo creating src/Makefile
3373 ( cd src
3374   rm -f junk.c junk1.c junk2.c
3375   sed -e '/start of cpp stuff/q' \
3376       < Makefile.c > junk1.c
3377   sed -e '1,/start of cpp stuff/d'\
3378       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3379       < Makefile.c > junk.c
3380   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3381       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3382   cat junk1.c junk2.c > Makefile.new
3383   rm -f junk.c junk1.c junk2.c
3384   chmod 444 Makefile.new
3385   mv -f Makefile.new Makefile
3386 )
3387
3388 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3389   echo creating src/.gdbinit
3390   echo source $srcdir/src/.gdbinit > src/.gdbinit
3391 fi
3392
3393 # This is how we know whether to re-run configure in certain cases.
3394 touch src/config.stamp
3395
3396 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3397
3398 m4_if(dnl       Do not change this comment
3399    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3400 )dnl