configure.in

   1 dnl  Autoconf script for GNU Emacs
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 dnl
   6 dnl  Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
   7 dnl  Free Software Foundation, Inc.
   8 dnl
   9 dnl  This file is part of GNU Emacs.
  10 dnl
  11 dnl  GNU Emacs is free software; you can redistribute it and/or modify
  12 dnl  it under the terms of the GNU General Public License as published by
  13 dnl  the Free Software Foundation; either version 2, or (at your option)
  14 dnl  any later version.
  15 dnl
  16 dnl  GNU Emacs is distributed in the hope that it will be useful,
  17 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 dnl  GNU General Public License for more details.
  20 dnl
  21 dnl  You should have received a copy of the GNU General Public License
  22 dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
  23 dnl  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 dnl  Boston, MA 02110-1301, USA.
  25
  26 AC_PREREQ(2.61)dnl
  27 AC_INIT(src/lisp.h)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29
  30 dnl Support for --program-prefix, --program-suffix and
  31 dnl --program-transform-name options
  32 AC_ARG_PROGRAM
  33
  34 lispdir='${datadir}/emacs/${version}/lisp'
  35 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  36 '${datadir}/emacs/site-lisp'
  37 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
  38 etcdir='${datadir}/emacs/${version}/etc'
  39 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  40 docdir='${datadir}/emacs/${version}/etc'
  41 gamedir='${localstatedir}/games/emacs'
  42
  43 gameuser=games
  44
  45 AC_ARG_WITH(gcc,
  46 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  47 AC_ARG_WITH(pop,
  48 [  --without-pop           don't support POP mail retrieval with movemail],
  49 [if test "$withval" = yes; then
  50    AC_DEFINE(MAIL_USE_POP)
  51 else :
  52 fi],
  53 AC_DEFINE(MAIL_USE_POP))
  54 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  55 AC_ARG_WITH(kerberos,
  56 [  --with-kerberos         support Kerberos-authenticated POP],
  57 [if test "$withval" = yes; then
  58    AC_DEFINE(KERBEROS)
  59 fi])
  60 AH_TEMPLATE(KERBEROS,
  61             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  62 AC_ARG_WITH(kerberos5,
  63 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  64 [if test "${with_kerberos5+set}" = set; then
  65   if test "${with_kerberos+set}" != set; then
  66     with_kerberos=yes
  67     AC_DEFINE(KERBEROS)
  68   fi
  69   AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
  70 fi])
  71 AC_ARG_WITH(hesiod,
  72 [  --with-hesiod           support Hesiod to get the POP server host],
  73 [if test "$withval" = yes; then
  74   AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
  75 fi])
  76
  77 AC_ARG_WITH(sound,
  78 [  --without-sound         don't compile with sound support])
  79
  80 dnl This should be the last --with option, because --with-x is
  81 dnl added later on when we find the path of X, and it's best to
  82 dnl keep them together visually.
  83 AC_ARG_WITH(x-toolkit,
  84 [  --with-x-toolkit=KIT    use an X toolkit
  85                               (KIT = yes/lucid/athena/motif/gtk/no)],
  86 [         case "${withval}" in
  87             y | ye | yes )      val=gtk ;;
  88             n | no )            val=no  ;;
  89             l | lu | luc | luci | lucid )       val=lucid ;;
  90             a | at | ath | athe | athen | athena )      val=athena ;;
  91             m | mo | mot | moti | motif )       val=motif ;;
  92             g | gt | gtk  )     val=gtk ;;
  93 dnl These don't currently work.
  94 dnl         o | op | ope | open | open- | open-l | open-lo \
  95 dnl             | open-loo | open-look )        val=open-look ;;
  96             * )
  97 dnl AC_MSG_ERROR([the `--with-x-toolkit' option is supposed to have a value
  98 dnl which is `yes', `no', `lucid', `athena', `motif' or `open-look'.])
  99 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
 100 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
 101 `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
 102             ;;
 103           esac
 104           with_x_toolkit=$val
 105 ])
 106 AC_ARG_WITH(xpm,
 107 [  --with-xpm              use -lXpm for displaying XPM images])
 108 AC_ARG_WITH(jpeg,
 109 [  --with-jpeg             use -ljpeg for displaying JPEG images])
 110 AC_ARG_WITH(tiff,
 111 [  --with-tiff             use -ltiff for displaying TIFF images])
 112 AC_ARG_WITH(gif,
 113 [  --with-gif              use -lungif (or -lgif) for displaying GIF images])
 114 AC_ARG_WITH(png,
 115 [  --with-png              use -lpng for displaying PNG images])
 116 AC_ARG_WITH(gpm,
 117 [  --with-gpm              use -lgpm for mouse support on a GNU/Linux console])
 118 AC_ARG_WITH(gtk,
 119 [  --with-gtk              use GTK (same as --with-x-toolkit=gtk)])
 120 AC_ARG_WITH(pkg-config-prog,
 121 [  --with-pkg-config-prog  Path to pkg-config to use for finding GTK])
 122 AC_ARG_WITH(toolkit-scroll-bars,
 123 [  --without-toolkit-scroll-bars
 124                           don't use Motif or Xaw3d scroll bars])
 125 AC_ARG_WITH(xim,
 126 [  --without-xim           don't use X11 XIM])
 127 AC_ARG_WITH(carbon,
 128 [  --without-carbon        don't use Carbon GUI on Mac OS X])
 129 AC_ARG_ENABLE(carbon-app,
 130 [[  --enable-carbon-app[=DIR]  [DIR=/Application]
 131                           specify install directory for Emacs.app on Mac OS X]],
 132 [ carbon_appdir_x=${enableval}])
 133
 134 AC_ARG_ENABLE(asserts,
 135 [  --enable-asserts        compile code with asserts enabled],
 136       USE_XASSERTS=$enableval,
 137       USE_XASSERTS=no)
 138
 139 AC_ARG_ENABLE(maintainer-mode,
 140 [  --enable-maintainer-mode enable make rules and dependencies not useful
 141                           (and sometimes confusing) to the casual installer],
 142       USE_MAINTAINER_MODE=$enableval,
 143       USE_MAINTAINER_MODE=no)
 144 if test $USE_MAINTAINER_MODE = yes; then
 145   MAINT=
 146 else
 147   MAINT=#
 148 fi
 149 AC_SUBST(MAINT)
 150
 151 AC_ARG_ENABLE(locallisppath,
 152 [  --enable-locallisppath=PATH
 153                           directories Emacs should search for lisp files
 154                           specific to this site],
 155 if test "${enableval}" = "no"; then
 156   locallisppath=
 157 elif test "${enableval}" != "yes"; then
 158   locallisppath=${enableval}
 159 fi)
 160
 161 #### Make srcdir absolute, if it isn't already.  It's important to
 162 #### avoid running the path through pwd unnecessarily, since pwd can
 163 #### give you automounter prefixes, which can go away.  We do all this
 164 #### so Emacs can find its files when run uninstalled.
 165 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 166 unset CDPATH
 167 case "${srcdir}" in
 168   /* ) ;;
 169   . )
 170     ## We may be able to use the $PWD environment variable to make this
 171     ## absolute.  But sometimes PWD is inaccurate.
 172     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 173     ## but that tested only for a well-formed and valid PWD,
 174     ## it did not object when PWD was well-formed and valid but just wrong.
 175     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 176     then
 177       srcdir="$PWD"
 178     else
 179       srcdir="`(cd ${srcdir}; pwd)`"
 180     fi
 181   ;;
 182   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 183 esac
 184
 185 #### Check if the source directory already has a configured system in it.
 186 if test `pwd` != `(cd ${srcdir} && pwd)` \
 187    && test -f "${srcdir}/src/config.h" ; then
 188   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 189    as a build directory right now; it has been configured in its own
 190    right.  To configure in another directory as well, you MUST
 191    use GNU make.  If you do not have GNU make, then you must
 192    now do `make distclean' in ${srcdir},
 193    and then run $0 again.]])
 194 fi
 195
 196 #### Given the configuration name, set machfile and opsysfile to the
 197 #### names of the m/*.h and s/*.h files we should use.
 198
 199 ### Canonicalize the configuration name.
 200
 201 AC_CANONICAL_HOST
 202 canonical=$host
 203 configuration=${host_alias-${build_alias-$host}}
 204
 205 dnl This used to use changequote, but, apart from `changequote is evil'
 206 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 207 dnl the great gob of text.  Thus it's not processed for possible expansion.
 208 dnl Just make sure the brackets remain balanced.
 209 dnl
 210 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 211 dnl indicated by comments.
 212 dnl quotation begins
 213 [
 214
 215 ### If you add support for a new configuration, add code to this
 216 ### switch statement to recognize your configuration name and select
 217 ### the appropriate operating system and machine description files.
 218
 219 ### You would hope that you could choose an m/*.h file pretty much
 220 ### based on the machine portion of the configuration name, and an s-
 221 ### file based on the operating system portion.  However, it turns out
 222 ### that each m/*.h file is pretty manufacturer-specific - for
 223 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 224 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 225 ### machines.  So we basically have to have a special case for each
 226 ### configuration name.
 227 ###
 228 ### As far as handling version numbers on operating systems is
 229 ### concerned, make sure things will fail in a fixable way.  If
 230 ### /etc/MACHINES doesn't say anything about version numbers, be
 231 ### prepared to handle anything reasonably.  If version numbers
 232 ### matter, be sure /etc/MACHINES says something about it.
 233 ###
 234 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 235 ### "System V Release 4"; he writes, "The old convention encouraged
 236 ### confusion between `system' and `release' levels'."
 237
 238 machine='' opsys='' unported=no
 239 case "${canonical}" in
 240
 241   ## FreeBSD ports
 242   *-*-freebsd* )
 243     opsys=freebsd
 244     case "${canonical}" in
 245       alpha*-*-freebsd*)        machine=alpha ;;
 246       ia64-*-freebsd*)          machine=ia64 ;;
 247       sparc64-*-freebsd*)       machine=sparc ;;
 248       powerpc-*-freebsd*)       machine=macppc ;;
 249       i[3456]86-*-freebsd*)     machine=intel386 ;;
 250       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 251     esac
 252   ;;
 253
 254   ## NetBSD ports
 255   *-*-netbsd* )
 256     opsys=netbsd
 257     if test -f /usr/lib/crti.o; then]
 258 dnl The close and open brackets here are because this section is quoted --
 259 dnl see the `changequote' comment above.
 260       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 261 [   fi
 262
 263     case "${canonical}" in
 264       alpha*-*-netbsd*) machine=alpha ;;
 265       i[3456]86-*-netbsd*) machine=intel386 ;;
 266       m68k-*-netbsd*)
 267                         # This is somewhat bogus.
 268                         machine=hp9000s300 ;;
 269       mips-*-netbsd*)   machine=pmax ;;
 270       mipsel-*-netbsd*) machine=pmax ;;
 271       mipseb-*-netbsd*) machine=pmax ;;
 272       ns32k-*-netbsd*)  machine=ns32000 ;;
 273       powerpc-*-netbsd*) machine=macppc ;;
 274       sparc*-*-netbsd*) machine=sparc ;;
 275       vax-*-netbsd*)    machine=vax ;;
 276       arm-*-netbsd*)    machine=arm ;;
 277       x86_64-*-netbsd*) machine=amdx86-64 ;;
 278       hppa-*-netbsd*)   machine=hp800 ;;
 279       shle-*-netbsd*)   machine=sh3el ;;
 280     esac
 281   ;;
 282
 283   ## OpenBSD ports
 284   *-*-openbsd* )
 285     opsys=openbsd
 286     case "${canonical}" in
 287       alpha*-*-openbsd*)        machine=alpha ;;
 288       arm-*-openbsd*)          machine=arm ;;
 289       hppa-*-openbsd*)         machine=hp9000s300 ;;
 290       i386-*-openbsd*)         machine=intel386 ;;
 291       m68k-*-openbsd*)         machine=hp9000s300 ;;
 292       m88k-*-openbsd*)         machine=aviion ;;
 293       mips64-*-openbsd*)       machine=mips64 ;;
 294       powerpc-*-openbsd*)      machine=macppc ;;
 295       sh-*-openbsd*)           machine=sh3el ;;
 296       sparc*-*-openbsd*)       machine=sparc ;;
 297       vax-*-openbsd*)          machine=vax ;;
 298       x86_64-*-openbsd*)       machine=amdx86-64 ;;
 299     esac
 300   ;;
 301
 302   ## LynxOS ports
 303   *-*-lynxos* )
 304     opsys=lynxos
 305     case "${canonical}" in
 306       i[3456]86-*-lynxos*) machine=intel386 ;;
 307       powerpc-*-lynxos*) machine=powerpc ;;
 308     esac
 309   ;;
 310
 311   ## Acorn RISCiX:
 312   arm-acorn-riscix1.1* )
 313     machine=acorn opsys=riscix1-1
 314   ;;
 315   arm-acorn-riscix1.2* | arm-acorn-riscix )
 316     ## This name is riscix12 instead of riscix1.2
 317     ## to avoid a file name conflict on MSDOS.
 318     machine=acorn opsys=riscix12
 319   ;;
 320
 321   ## BSDI ports
 322   *-*-bsdi* )
 323     opsys=bsdi
 324     case "${canonical}" in
 325       i[345]86-*-bsdi*) machine=intel386 ;;
 326       sparc-*-bsdi*)  machine=sparc ;;
 327       powerpc-*-bsdi*)  machine=macppc ;;
 328     esac
 329     case "${canonical}" in
 330       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 331       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 332       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 333       *-*-bsdi3* )              opsys=bsdos3 ;;
 334       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 335     esac
 336   ;;
 337
 338   ## Alliant machines
 339   ## Strictly speaking, we need the version of the alliant operating
 340   ## system to choose the right machine file, but currently the
 341   ## configuration name doesn't tell us enough to choose the right
 342   ## one; we need to give alliants their own operating system name to
 343   ## do this right.  When someone cares, they can help us.
 344   fx80-alliant-* )
 345     machine=alliant4 opsys=bsd4-2
 346   ;;
 347   i860-alliant-* )
 348     machine=alliant-2800 opsys=bsd4-3
 349   ;;
 350
 351   ## Alpha (DEC) machines.
 352   alpha*-dec-osf* )
 353     machine=alpha opsys=osf1
 354     # This is needed to find X11R6.1 libraries for certain tests.
 355     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 356     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 357     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 358     # due to non-traditional preprocessing with the current compiler
 359     # defaults.  OSF 4 can also have that compiler version, and there
 360     # seems always to have been a usable /usr/bin/cpp.
 361     NON_GNU_CPP=/usr/bin/cpp
 362     case "${canonical}" in
 363     alpha*-dec-osf[5-9]*)
 364       opsys=osf5-0 ;;
 365     esac
 366   ;;
 367
 368   alpha*-*-linux-gnu* )
 369     machine=alpha opsys=gnu-linux
 370   ;;
 371
 372   arm*-*-linux-gnu* )
 373     machine=arm opsys=gnu-linux
 374   ;;
 375
 376   ## Altos 3068
 377   m68*-altos-sysv* )
 378     machine=altos opsys=usg5-2
 379   ;;
 380
 381   ## Amdahl UTS
 382   580-amdahl-sysv* )
 383     machine=amdahl opsys=usg5-2-2
 384   ;;
 385
 386   ## Apollo, Domain/OS
 387   m68*-apollo-* )
 388     machine=apollo opsys=bsd4-3
 389   ;;
 390
 391   ## Apple Darwin / Mac OS X
 392   *-apple-darwin* )
 393     case "${canonical}" in
 394       i[3456]86-* )  machine=intel386 ;;
 395       powerpc-* )    machine=powermac ;;
 396       * )            unported=yes ;;
 397     esac
 398     opsys=darwin
 399     # Define CPP as follows to make autoconf work correctly.
 400     CPP="${CC-cc} -E -no-cpp-precomp"
 401     # Use fink packages if available.
 402     if test -d /sw/include && test -d /sw/lib; then
 403       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 404       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 405       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 406     fi
 407   ;;
 408
 409   ## AT&T 3b2, 3b5, 3b15, 3b20
 410   we32k-att-sysv* )
 411     machine=att3b opsys=usg5-2-2
 412   ;;
 413
 414   ## AT&T 3b1 - The Mighty Unix PC!
 415   m68*-att-sysv* )
 416     machine=7300 opsys=usg5-2-2
 417   ;;
 418
 419   ## Bull dpx20
 420   rs6000-bull-bosx* )
 421     machine=ibmrs6000 opsys=aix3-2
 422   ;;
 423
 424   ## Bull dpx2
 425   m68*-bull-sysv3* )
 426     machine=dpx2 opsys=usg5-3
 427   ;;
 428
 429   ## Bull sps7
 430   m68*-bull-sysv2* )
 431     machine=sps7 opsys=usg5-2
 432   ;;
 433
 434   ## CCI 5/32, 6/32 -- see "Tahoe".
 435
 436   ## Celerity
 437   ## I don't know what configuration name to use for this; config.sub
 438   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 439   ## in touch with us!
 440   celerity-celerity-bsd* )
 441     machine=celerity opsys=bsd4-2
 442   ;;
 443
 444   ## Clipper
 445   ## What operating systems does this chip run that Emacs has been
 446   ## tested on?
 447   clipper-* )
 448     machine=clipper
 449     ## We'll use the catch-all code at the bottom to guess the
 450     ## operating system.
 451   ;;
 452
 453   ## Compaq Nonstop
 454   mips-compaq-nonstopux* )
 455     machine=nonstopux opsys=nonstopux
 456     ;;
 457
 458   ## Convex
 459   *-convex-bsd* | *-convex-convexos* )
 460     machine=convex opsys=bsd4-3
 461     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 462     NON_GNU_CPP="cc -E -P"
 463   ;;
 464
 465   ## Cubix QBx/386
 466   i[3456]86-cubix-sysv* )
 467     machine=intel386 opsys=usg5-3
 468   ;;
 469
 470   ## Cydra 5
 471   cydra*-cydrome-sysv* )
 472     machine=cydra5 opsys=usg5-3
 473   ;;
 474
 475   ## Data General AViiON Machines
 476   ## DG changed naming conventions with the release of 5.4.4.10, they
 477   ## dropped the initial 5.4 but left the intervening R.  Because of the
 478   ## R this shouldn't conflict with older versions of the OS (which I
 479   ## think were named like dgux4.*). In addition, DG new AViiONs series
 480   ## uses either Motorola M88k or Intel Pentium CPUs.
 481   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 482     machine=aviion opsys=dgux4
 483   ;;
 484   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 485     ## This name is dgux5-4-3 instead of dgux5-4r3
 486     ## to avoid a file name conflict on MSDOS.
 487     machine=aviion opsys=dgux5-4-3
 488   ;;
 489   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 490     machine=aviion opsys=dgux5-4r2
 491   ;;
 492   m88k-dg-dgux* )
 493     machine=aviion opsys=dgux
 494   ;;
 495
 496   ## Data General AViiON Intel (x86) Machines
 497   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 498   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 499   i[345]86-dg-dguxR4* )
 500     machine=aviion-intel opsys=dgux4
 501   ;;
 502
 503   ## DECstations
 504   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 505     machine=pmax opsys=bsd4-2
 506   ;;
 507   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 508     machine=pmax opsys=bsd4-3
 509   ;;
 510   mips-dec-ultrix* )
 511     machine=pmax opsys=ultrix4-3
 512   ;;
 513   mips-dec-osf* )
 514     machine=pmax opsys=osf1
 515   ;;
 516   mips-dec-mach_bsd4.3* )
 517     machine=pmax opsys=mach-bsd4-3
 518   ;;
 519
 520   ## Motorola Delta machines
 521   m68k-motorola-sysv* | m68000-motorola-sysv* )
 522     machine=delta opsys=usg5-3
 523     if test -z "`type gnucc | grep 'not found'`"
 524     then
 525       if test -s /etc/167config
 526       then CC="gnucc -m68040"
 527       else CC="gnucc -m68881"
 528       fi
 529     else
 530       if test -z "`type gcc | grep 'not found'`"
 531       then CC=gcc
 532       else CC=cc
 533       fi
 534     fi
 535   ;;
 536   m88k-motorola-sysv4* )
 537     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 538     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 539     # I hope there are not other 4.0 versions for this machine
 540     # which really need usg5-4 instead.
 541     machine=delta88k opsys=usg5-4-2
 542   ;;
 543   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 544     machine=delta88k opsys=usg5-3
 545   ;;
 546
 547   ## Dual machines
 548   m68*-dual-sysv* )
 549     machine=dual opsys=usg5-2
 550   ;;
 551   m68*-dual-uniplus* )
 552     machine=dual opsys=unipl5-2
 553   ;;
 554
 555   ## Elxsi 6400
 556   elxsi-elxsi-sysv* )
 557     machine=elxsi opsys=usg5-2
 558   ;;
 559
 560   ## Encore machines
 561   ns16k-encore-bsd* )
 562     machine=ns16000 opsys=umax
 563   ;;
 564
 565   ## The GEC 63 - apparently, this port isn't really finished yet.
 566   #  I'm sure we finished off the last of the machines, though.  -- fx
 567
 568   ## Gould Power Node and NP1
 569   pn-gould-bsd4.2* )
 570     machine=gould opsys=bsd4-2
 571   ;;
 572   pn-gould-bsd4.3* )
 573     machine=gould opsys=bsd4-3
 574   ;;
 575   np1-gould-bsd* )
 576     machine=gould-np1 opsys=bsd4-3
 577   ;;
 578
 579   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 580   ## as far as Emacs is concerned).
 581   m88k-harris-cxux* )
 582     # Build needs to be different on 7.0 and later releases
 583     case "`uname -r`" in
 584        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 585        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 586     esac
 587     NON_GNU_CPP="/lib/cpp"
 588   ;;
 589   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 590   m68k-harris-cxux* )
 591     machine=nh3000 opsys=cxux
 592   ;;
 593   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 594   powerpc-harris-powerunix )
 595     machine=nh6000 opsys=powerunix
 596     NON_GNU_CPP="cc -Xo -E -P"
 597   ;;
 598   ## SR2001/SR2201 running HI-UX/MPP
 599   hppa1.1-hitachi-hiuxmpp* )
 600     machine=sr2k opsys=hiuxmpp
 601   ;;
 602   hppa1.1-hitachi-hiuxwe2* )
 603     machine=sr2k opsys=hiuxwe2
 604   ;;
 605   ## Honeywell XPS100
 606   xps*-honeywell-sysv* )
 607     machine=xps100 opsys=usg5-2
 608   ;;
 609
 610   ## HP 9000 series 200 or 300
 611   m68*-hp-bsd* )
 612     machine=hp9000s300 opsys=bsd4-3
 613   ;;
 614   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 615   m68*-hp-hpux* )
 616     case "`uname -r`" in
 617       ## Someone's system reports A.B8.05 for this.
 618       ## I wonder what other possibilities there are.
 619       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 620       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 621       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 622       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 623       *) machine=hp9000s300 opsys=hpux ;;
 624     esac
 625   ;;
 626
 627   ## HP 9000 series 700 and 800, running HP/UX
 628   hppa*-hp-hpux7* )
 629     machine=hp800 opsys=hpux
 630   ;;
 631   hppa*-hp-hpux8* )
 632     machine=hp800 opsys=hpux8
 633   ;;
 634   hppa*-hp-hpux9shr* )
 635     machine=hp800 opsys=hpux9shr
 636   ;;
 637   hppa*-hp-hpux9* )
 638     machine=hp800 opsys=hpux9
 639   ;;
 640   hppa*-hp-hpux10.2* )
 641     machine=hp800 opsys=hpux10-20
 642   ;;
 643   hppa*-hp-hpux10* )
 644     machine=hp800 opsys=hpux10
 645   ;;
 646   hppa*-hp-hpux1[1-9]* )
 647     machine=hp800 opsys=hpux11
 648     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 649   ;;
 650
 651   hppa*-*-linux-gnu* )
 652     machine=hp800 opsys=gnu-linux
 653   ;;
 654
 655   ## HP 9000 series 700 and 800, running HP/UX
 656   hppa*-hp-hpux* )
 657     ## Cross-compilation?  Nah!
 658     case "`uname -r`" in
 659       ## Someone's system reports A.B8.05 for this.
 660       ## I wonder what other possibilities there are.
 661       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 662       *.08.* ) machine=hp800 opsys=hpux8 ;;
 663       *.09.* ) machine=hp800 opsys=hpux9 ;;
 664       *) machine=hp800 opsys=hpux10 ;;
 665     esac
 666   ;;
 667   hppa*-*-nextstep* )
 668     machine=hp800 opsys=nextstep
 669   ;;
 670
 671   ## Orion machines
 672   orion-orion-bsd* )
 673     machine=orion opsys=bsd4-2
 674   ;;
 675   clipper-orion-bsd* )
 676     machine=orion105 opsys=bsd4-2
 677   ;;
 678
 679   ## IBM machines
 680   i[3456]86-ibm-aix1.1* )
 681     machine=ibmps2-aix opsys=usg5-2-2
 682   ;;
 683   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 684     machine=ibmps2-aix opsys=usg5-3
 685   ;;
 686   i370-ibm-aix*)
 687     machine=ibm370aix opsys=usg5-3
 688   ;;
 689   s390-*-linux-gnu* )
 690     machine=ibms390 opsys=gnu-linux
 691   ;;
 692   s390x-*-linux-gnu* )
 693     machine=ibms390x opsys=gnu-linux
 694   ;;
 695   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 696     machine=ibmrs6000 opsys=aix3-1
 697   ;;
 698   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 699     machine=ibmrs6000 opsys=aix3-2-5
 700   ;;
 701   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 702     machine=ibmrs6000 opsys=aix4-1
 703   ;;
 704   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 705     machine=ibmrs6000 opsys=aix4-2
 706   ;;
 707   rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3*  )
 708     machine=ibmrs6000 opsys=aix4-2
 709   ;;
 710   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 711     machine=ibmrs6000 opsys=aix4-2
 712   ;;
 713   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 714     machine=ibmrs6000 opsys=aix4
 715   ;;
 716   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 717     machine=ibmrs6000 opsys=aix4-1
 718   ;;
 719   rs6000-ibm-aix* | powerpc-ibm-aix* )
 720     machine=ibmrs6000 opsys=aix3-2
 721   ;;
 722   romp-ibm-bsd4.3* )
 723     machine=ibmrt opsys=bsd4-3
 724   ;;
 725   romp-ibm-bsd4.2* )
 726     machine=ibmrt opsys=bsd4-2
 727   ;;
 728   romp-ibm-aos4.3* )
 729     machine=ibmrt opsys=bsd4-3
 730   ;;
 731   romp-ibm-aos4.2* )
 732     machine=ibmrt opsys=bsd4-2
 733   ;;
 734   romp-ibm-aos* )
 735     machine=ibmrt opsys=bsd4-3
 736   ;;
 737   romp-ibm-bsd* )
 738     machine=ibmrt opsys=bsd4-3
 739   ;;
 740   romp-ibm-aix* )
 741     machine=ibmrt-aix opsys=usg5-2-2
 742   ;;
 743
 744   ## Integrated Solutions `Optimum V'
 745   m68*-isi-bsd4.2* )
 746     machine=isi-ov opsys=bsd4-2
 747   ;;
 748   m68*-isi-bsd4.3* )
 749     machine=isi-ov opsys=bsd4-3
 750   ;;
 751
 752   ## Intel 386 machines where we do care about the manufacturer
 753   i[3456]86-intsys-sysv* )
 754     machine=is386 opsys=usg5-2-2
 755   ;;
 756
 757   ## Prime EXL
 758   i[3456]86-prime-sysv* )
 759     machine=i386 opsys=usg5-3
 760   ;;
 761
 762   ## Sequent Symmetry running Dynix
 763   i[3456]86-sequent-bsd* )
 764     machine=symmetry opsys=bsd4-3
 765   ;;
 766
 767   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 768   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 769     machine=sequent-ptx opsys=ptx4
 770     NON_GNU_CPP=/lib/cpp
 771   ;;
 772
 773   ## Sequent Symmetry running DYNIX/ptx
 774   ## Use the old cpp rather than the newer ANSI one.
 775   i[3456]86-sequent-ptx* )
 776     machine=sequent-ptx opsys=ptx
 777     NON_GNU_CPP="/lib/cpp"
 778   ;;
 779
 780   ## ncr machine running svr4.3.
 781   i[3456]86-ncr-sysv4.3 )
 782     machine=ncr386 opsys=usg5-4-3
 783   ;;
 784
 785   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 786   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 787   i[3456]86-ncr-sysv* )
 788     machine=ncr386 opsys=usg5-4-2
 789   ;;
 790
 791   ## Intel Paragon OSF/1
 792   i860-intel-osf1* )
 793     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 794   ;;
 795
 796   ## Intel 860
 797   i860-*-sysv4* )
 798     machine=i860 opsys=usg5-4
 799     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 800     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 801   ;;
 802
 803   ## Macintosh PowerPC
 804   powerpc*-*-linux-gnu* )
 805     machine=macppc opsys=gnu-linux
 806   ;;
 807
 808   ## Masscomp machines
 809   m68*-masscomp-rtu* )
 810     machine=masscomp opsys=rtu
 811   ;;
 812
 813   ## Megatest machines
 814   m68*-megatest-bsd* )
 815     machine=mega68 opsys=bsd4-2
 816   ;;
 817
 818   ## Workstations sold by MIPS
 819   ## This is not necessarily all workstations using the MIPS processor -
 820   ## Irises are produced by SGI, and DECstations by DEC.
 821
 822   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 823   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 824   ## it gives for choosing between the alternatives seems to be "Use
 825   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 826   ## the BSD world."  I'll assume that these are instructions for
 827   ## handling two odd situations, and that every other situation
 828   ## should use mips.h and usg5-2-2, they being listed first.
 829   mips-mips-usg* )
 830     machine=mips4
 831     ## Fall through to the general code at the bottom to decide on the OS.
 832   ;;
 833   mips-mips-riscos4* )
 834     machine=mips4 opsys=bsd4-3
 835     NON_GNU_CC="cc -systype bsd43"
 836     NON_GNU_CPP="cc -systype bsd43 -E"
 837   ;;
 838   mips-mips-riscos5* )
 839     machine=mips4 opsys=riscos5
 840     NON_GNU_CC="cc -systype bsd43"
 841     NON_GNU_CPP="cc -systype bsd43 -E"
 842   ;;
 843   mips-mips-bsd* )
 844     machine=mips opsys=bsd4-3
 845   ;;
 846   mips-mips-* )
 847     machine=mips opsys=usg5-2-2
 848   ;;
 849
 850   ## NeXT
 851   m68*-next-* | m68k-*-nextstep* )
 852     machine=m68k opsys=nextstep
 853   ;;
 854
 855   ## The complete machine from National Semiconductor
 856   ns32k-ns-genix* )
 857     machine=ns32000 opsys=usg5-2
 858   ;;
 859
 860   ## NCR machines
 861   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 862     machine=tower32 opsys=usg5-2-2
 863   ;;
 864   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 865     machine=tower32v3 opsys=usg5-3
 866   ;;
 867
 868   ## NEC EWS4800
 869   mips-nec-sysv4*)
 870   machine=ews4800 opsys=ux4800
 871   ;;
 872
 873   ## Nixdorf Targon 31
 874   m68*-nixdorf-sysv* )
 875     machine=targon31 opsys=usg5-2-2
 876   ;;
 877
 878   ## Nu (TI or LMI)
 879   m68*-nu-sysv* )
 880     machine=nu opsys=usg5-2
 881   ;;
 882
 883   ## Plexus
 884   m68*-plexus-sysv* )
 885     machine=plexus opsys=usg5-2
 886   ;;
 887
 888   ## Pyramid machines
 889   ## I don't really have any idea what sort of processor the Pyramid has,
 890   ## so I'm assuming it is its own architecture.
 891   pyramid-pyramid-bsd* )
 892     machine=pyramid opsys=bsd4-2
 893   ;;
 894
 895   ## Sequent Balance
 896   ns32k-sequent-bsd4.2* )
 897     machine=sequent opsys=bsd4-2
 898   ;;
 899   ns32k-sequent-bsd4.3* )
 900     machine=sequent opsys=bsd4-3
 901   ;;
 902
 903   ## Siemens Nixdorf
 904   mips-siemens-sysv* | mips-sni-sysv*)
 905     machine=mips-siemens opsys=usg5-4
 906     NON_GNU_CC=/usr/ccs/bin/cc
 907     NON_GNU_CPP=/usr/ccs/lib/cpp
 908   ;;
 909
 910   ## Silicon Graphics machines
 911   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 912   m68*-sgi-iris3.5* )
 913     machine=irist opsys=iris3-5
 914   ;;
 915   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 916     machine=irist opsys=iris3-6
 917   ;;
 918   ## Iris 4D
 919   mips-sgi-irix3* )
 920     machine=iris4d opsys=irix3-3
 921   ;;
 922   mips-sgi-irix4* )
 923     machine=iris4d opsys=irix4-0
 924   ;;
 925   mips-sgi-irix6.5 )
 926     machine=iris4d opsys=irix6-5
 927     # Without defining _LANGUAGE_C, things get masked out in the headers
 928     # so that, for instance, grepping for `free' in stdlib.h fails and
 929     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 930     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 931     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 932   ;;
 933   mips-sgi-irix6* )
 934     machine=iris4d opsys=irix6-0
 935     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 936     # but presumably it does no harm.
 937     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 938     # -32 probably isn't necessary in later v.6s -- anyone know which?
 939     NON_GCC_TEST_OPTIONS=-32
 940   ;;
 941   mips-sgi-irix5.[01]* )
 942     machine=iris4d opsys=irix5-0
 943   ;;
 944   mips-sgi-irix5* | mips-sgi-irix* )
 945     machine=iris4d opsys=irix5-2
 946   ;;
 947
 948   ## SONY machines
 949   m68*-sony-bsd4.2* )
 950     machine=news opsys=bsd4-2
 951   ;;
 952   m68*-sony-bsd4.3* )
 953     machine=news opsys=bsd4-3
 954   ;;
 955   m68*-sony-newsos3* | m68*-sony-news3*)
 956     machine=news opsys=bsd4-3
 957   ;;
 958   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 959     machine=news-risc opsys=bsd4-3
 960   ;;
 961   mips-sony-newsos6* )
 962     machine=news-r6 opsys=newsos6
 963   ;;
 964   mips-sony-news* )
 965     machine=news-risc opsys=newsos5
 966   ;;
 967
 968   ## Stride
 969   m68*-stride-sysv* )
 970     machine=stride opsys=usg5-2
 971   ;;
 972
 973   ## Suns
 974   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 975     machine=sparc opsys=gnu-linux
 976   ;;
 977
 978   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 979     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 980     | rs6000-*-solaris2*)
 981     case "${canonical}" in
 982       m68*-sunos1* )    machine=sun1 ;;
 983       m68*-sunos2* )    machine=sun2 ;;
 984       m68* )            machine=sun3 ;;
 985       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 986       i[3456]86-*-* )     machine=intel386 ;;
 987       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 988       powerpcle* )      machine=powerpcle ;;
 989       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 990       sparc* )          machine=sparc ;;
 991       * )               unported=yes ;;
 992     esac
 993     case "${canonical}" in
 994       ## The Sun386 didn't get past 4.0.
 995       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 996       *-sunos4.0*         ) opsys=sunos4-0 ;;
 997       *-sunos4.1.[3-9]*noshare )
 998                 ## This name is sunos413 instead of sunos4-1-3
 999                 ## to avoid a file name conflict on MSDOS.
1000                 opsys=sunos413
1001                 NON_GNU_CPP=/usr/lib/cpp
1002                 NON_GCC_TEST_OPTIONS=-Bstatic
1003                 GCC_TEST_OPTIONS=-static
1004                 ;;
1005       *-sunos4.1.[3-9]* | *-sunos4shr*)
1006                 opsys=sunos4shr
1007                 NON_GNU_CPP=/usr/lib/cpp
1008                 ;;
1009       *-sunos4* | *-sunos )
1010                 opsys=sunos4-1
1011                 NON_GCC_TEST_OPTIONS=-Bstatic
1012                 GCC_TEST_OPTIONS=-static
1013                 ;;
1014       *-sunos5.3* | *-solaris2.3* )
1015                 opsys=sol2-3
1016                 NON_GNU_CPP=/usr/ccs/lib/cpp
1017                 ;;
1018       *-sunos5.4* | *-solaris2.4* )
1019                 opsys=sol2-4
1020                 NON_GNU_CPP=/usr/ccs/lib/cpp
1021                 RANLIB="ar -ts"
1022                 ;;
1023       *-sunos5.5* | *-solaris2.5* )
1024                 opsys=sol2-5
1025                 NON_GNU_CPP=/usr/ccs/lib/cpp
1026                 RANLIB="ar -ts"
1027                 ;;
1028       *-sunos5.6* | *-solaris2.6* )
1029                 opsys=sol2-6
1030                 NON_GNU_CPP=/usr/ccs/lib/cpp
1031                 RANLIB="ar -ts"
1032                 ;;
1033       *-sunos5* | *-solaris* )
1034                 opsys=sol2-6
1035                 emacs_check_sunpro_c=yes
1036                 NON_GNU_CPP=/usr/ccs/lib/cpp
1037                 ;;
1038       *                   ) opsys=bsd4-2   ;;
1039     esac
1040     ## Watch out for a compiler that we know will not work.
1041     case "${canonical}" in
1042      *-solaris* | *-sunos5* )
1043                 if [ "x$CC" = x/usr/ucb/cc ]; then
1044                   ## /usr/ucb/cc doesn't work;
1045                   ## we should find some other compiler that does work.
1046                   unset CC
1047                 fi
1048                 ;;
1049       *) ;;
1050     esac
1051   ;;
1052   sparc-*-nextstep* )
1053     machine=sparc opsys=nextstep
1054   ;;
1055
1056   ## Tadpole 68k
1057   m68*-tadpole-sysv* )
1058     machine=tad68k opsys=usg5-3
1059   ;;
1060
1061   ## Tahoe machines
1062   tahoe-tahoe-bsd4.2* )
1063     machine=tahoe opsys=bsd4-2
1064   ;;
1065   tahoe-tahoe-bsd4.3* )
1066     machine=tahoe opsys=bsd4-3
1067   ;;
1068
1069   ## Tandem Integrity S2
1070   mips-tandem-sysv* )
1071     machine=tandem-s2 opsys=usg5-3
1072   ;;
1073
1074   ## Tektronix XD88
1075   m88k-tektronix-sysv3* )
1076   machine=tekxd88 opsys=usg5-3
1077   ;;
1078
1079   ## Tektronix 16000 box (6130?)
1080   ns16k-tektronix-bsd* )
1081     machine=ns16000 opsys=bsd4-2
1082   ;;
1083   ## Tektronix 4300
1084   ## src/m/tek4300.h hints that this is a m68k machine.
1085   m68*-tektronix-bsd* )
1086     machine=tek4300 opsys=bsd4-3
1087   ;;
1088
1089   ## Titan P2 or P3
1090   ## We seem to have lost the machine-description file titan.h!
1091   titan-titan-sysv* )
1092     machine=titan opsys=usg5-3
1093   ;;
1094
1095   ## Ustation E30 (SS5E)
1096   m68*-unisys-uniplus* )
1097     machine=ustation opsystem=unipl5-2
1098   ;;
1099
1100   ## Vaxen.
1101   vax-dec-* )
1102     machine=vax
1103     case "${canonical}" in
1104       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1105       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1106       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1107       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1108       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1109       *-vms* )                                          opsys=vms ;;
1110       * )                                               unported=yes
1111     esac
1112   ;;
1113
1114   ## Whitechapel MG1
1115   ns16k-whitechapel-* )
1116     machine=mg1
1117     ## We don't know what sort of OS runs on these; we'll let the
1118     ## operating system guessing code below try.
1119   ;;
1120
1121   ## Wicat
1122   m68*-wicat-sysv* )
1123     machine=wicat opsys=usg5-2
1124   ;;
1125
1126   ## IA-64
1127   ia64*-*-linux* )
1128     machine=ia64 opsys=gnu-linux
1129   ;;
1130
1131   ## Intel 386 machines where we don't care about the manufacturer
1132   i[3456]86-*-* )
1133     machine=intel386
1134     case "${canonical}" in
1135       *-cygwin )                opsys=cygwin ;;
1136       *-darwin* )               opsys=darwin
1137                                 CPP="${CC-cc} -E -no-cpp-precomp"
1138                                 ;;
1139       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1140       *-isc2.2* )               opsys=isc2-2 ;;
1141       *-isc4.0* )               opsys=isc4-0 ;;
1142       *-isc4.* )                opsys=isc4-1
1143                                 GCC_TEST_OPTIONS=-posix
1144                                 NON_GCC_TEST_OPTIONS=-Xp
1145                                 ;;
1146       *-isc* )                  opsys=isc3-0 ;;
1147       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1148       *-esix* )                 opsys=esix ;;
1149       *-xenix* )                opsys=xenix ;;
1150       *-linux-gnu* )            opsys=gnu-linux ;;
1151       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1152       *-sco3.2v5* )             opsys=sco5
1153                                 NON_GNU_CPP=/lib/cpp
1154                                 # Prevent -belf from being passed to $CPP.
1155                                 # /lib/cpp does not accept it.
1156                                 OVERRIDE_CPPFLAGS=" "
1157                                 ;;
1158       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1159       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1160       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1161       *-386bsd* )               opsys=386bsd ;;
1162       *-nextstep* )             opsys=nextstep ;;
1163       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1164     esac
1165   ;;
1166
1167   ## m68k Linux-based GNU system
1168   m68k-*-linux-gnu* )
1169     machine=m68k opsys=gnu-linux
1170   ;;
1171
1172   ## Mips Linux-based GNU system
1173   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
1174     machine=mips opsys=gnu-linux
1175   ;;
1176
1177   ## UXP/DS
1178   sparc-fujitsu-sysv4* )
1179     machine=sparc opsys=uxpds
1180     NON_GNU_CPP=/usr/ccs/lib/cpp
1181     RANLIB="ar -ts"
1182   ;;
1183
1184   ## UXP/V
1185   f301-fujitsu-uxpv4.1)
1186     machine=f301 opsys=uxpv
1187   ;;
1188
1189   ## AMD x86-64 Linux-based GNU system
1190   x86_64-*-linux-gnu* )
1191     machine=amdx86-64 opsys=gnu-linux
1192   ;;
1193
1194   ## Tensilica Xtensa Linux-based GNU system
1195   xtensa-*-linux-gnu* )
1196     machine=xtensa opsys=gnu-linux
1197     ;;
1198
1199   * )
1200     unported=yes
1201   ;;
1202 esac
1203
1204 ### If the code above didn't choose an operating system, just choose
1205 ### an operating system based on the configuration name.  You really
1206 ### only want to use this when you have no idea what the right
1207 ### operating system is; if you know what operating systems a machine
1208 ### runs, it's cleaner to make it explicit in the case statement
1209 ### above.
1210 if test x"${opsys}" = x; then
1211   case "${canonical}" in
1212     *-gnu* )                            opsys=gnu ;;
1213     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1214     *-bsd4.2 )                          opsys=bsd4-2 ;;
1215     *-bsd4.3 )                          opsys=bsd4-3 ;;
1216     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1217     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1218     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1219     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1220     *-sysv4.2uw* )                      opsys=unixware ;;
1221     *-sysv5uw* )                        opsys=unixware ;;
1222     *-sysv5OpenUNIX* )                  opsys=unixware ;;
1223     *-sysv4.1* | *-sysvr4.1* )
1224         NON_GNU_CPP=/usr/lib/cpp
1225         opsys=usg5-4 ;;
1226     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1227         if [ x$NON_GNU_CPP = x ]; then
1228           if [ -f /usr/ccs/lib/cpp ]; then
1229             NON_GNU_CPP=/usr/ccs/lib/cpp
1230           else
1231             NON_GNU_CPP=/lib/cpp
1232           fi
1233         fi
1234         opsys=usg5-4-2 ;;
1235     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1236     * )
1237       unported=yes
1238     ;;
1239   esac
1240 fi
1241
1242 ]
1243 dnl quotation ends
1244
1245 if test $unported = yes; then
1246   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
1247 Check `etc/MACHINES' for recognized configuration names.])
1248 fi
1249
1250 machfile="m/${machine}.h"
1251 opsysfile="s/${opsys}.h"
1252
1253
1254 #### Choose a compiler.
1255 test -n "$CC" && cc_specified=yes
1256
1257 # Save the value of CFLAGS that the user specified.
1258 SPECIFIED_CFLAGS="$CFLAGS"
1259
1260 case ${with_gcc} in
1261   "yes" ) CC="gcc" GCC=yes ;;
1262   "no"  ) : ${CC=cc} ;;
1263   * )
1264 esac
1265 AC_PROG_CC
1266
1267 # On Suns, sometimes $CPP names a directory.
1268 if test -n "$CPP" && test -d "$CPP"; then
1269   CPP=
1270 fi
1271
1272 ## If not using gcc, and on Solaris, and no CPP specified, see if
1273 ## using a Sun compiler, which needs -Xs to prevent whitespace.
1274 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
1275  test x"$CPP" = x; then
1276   AC_MSG_CHECKING([whether we are using a Sun C compiler])
1277   AC_CACHE_VAL(emacs_cv_sunpro_c,
1278   [AC_TRY_LINK([],
1279 [#ifndef __SUNPRO_C
1280 fail;
1281 #endif
1282 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
1283   AC_MSG_RESULT($emacs_cv_sunpro_c)
1284
1285   if test x"$emacs_cv_sunpro_c" = xyes; then
1286     NON_GNU_CPP="$CC -E -Xs"
1287   fi
1288 fi
1289
1290 #### Some systems specify a CPP to use unless we are using GCC.
1291 #### Now that we know whether we are using GCC, we can decide whether
1292 #### to use that one.
1293 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1294 then
1295   CPP="$NON_GNU_CPP"
1296 fi
1297
1298 #### Some systems specify a CC to use unless we are using GCC.
1299 #### Now that we know whether we are using GCC, we can decide whether
1300 #### to use that one.
1301 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1302   test x$cc_specified != xyes
1303 then
1304   CC="$NON_GNU_CC"
1305 fi
1306
1307 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1308 then
1309   CC="$CC $GCC_TEST_OPTIONS"
1310 fi
1311
1312 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1313 then
1314   CC="$CC $NON_GCC_TEST_OPTIONS"
1315 fi
1316
1317 dnl checks for Unix variants
1318 AC_AIX
1319 AC_GNU_SOURCE
1320
1321 ### Use -Wno-pointer-sign if the compiler supports it
1322 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
1323 SAVE_CFLAGS="$CFLAGS"
1324 CFLAGS="$CFLAGS -Wno-pointer-sign"
1325 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
1326 if test $has_option = yes; then
1327    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
1328 fi
1329 AC_MSG_RESULT($has_option)
1330 CFLAGS="$SAVE_CFLAGS"
1331 unset has_option
1332 unset SAVE_CFLAGS
1333
1334 #### Some other nice autoconf tests.
1335
1336 dnl checks for programs
1337 AC_PROG_LN_S
1338 AC_PROG_CPP
1339 AC_PROG_INSTALL
1340 if test "x$RANLIB" = x; then
1341   AC_PROG_RANLIB
1342 fi
1343 AC_PATH_PROG(INSTALL_INFO, install-info)
1344 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
1345 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
1346 dnl Don't use GZIP, which is used by gzip for additional parameters.
1347 AC_PATH_PROG(GZIP_PROG, gzip)
1348
1349 dnl Add our options to ac_link now, after it is set up.
1350
1351 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1352 then
1353   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1354 fi
1355
1356 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1357 then
1358   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1359 fi
1360
1361 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1362 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1363 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1364 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1365 dnl if not built to support GNU ld.
1366
1367 late_LDFLAGS=$LDFLAGS
1368 if test "$GCC" = yes; then
1369   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
1370 else
1371   LDFLAGS="$LDFLAGS -znocombreloc"
1372 fi
1373
1374 AC_MSG_CHECKING([for -znocombreloc])
1375 AC_LINK_IFELSE([main(){return 0;}],
1376   [AC_MSG_RESULT(yes)],
1377   LDFLAGS=$late_LDFLAGS
1378   [AC_MSG_RESULT(no)])
1379
1380 #### Extract some information from the operating system and machine files.
1381
1382 AC_CHECKING([the machine- and system-dependent files to find out
1383  - which libraries the lib-src programs will want, and
1384  - whether the GNU malloc routines are usable])
1385
1386 ### First figure out CFLAGS (which we use for running the compiler here)
1387 ### and REAL_CFLAGS (which we use for real compilation).
1388 ### The two are the same except on a few systems, where they are made
1389 ### different to work around various lossages.  For example,
1390 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1391 ### as implying static linking.
1392
1393 ### If the CFLAGS env var is specified, we use that value
1394 ### instead of the default.
1395
1396 ### It's not important that this name contain the PID; you can't run
1397 ### two configures in the same directory and have anything work
1398 ### anyway.
1399 tempcname="conftest.c"
1400
1401 echo '
1402 #include "'${srcdir}'/src/'${opsysfile}'"
1403 #include "'${srcdir}'/src/'${machfile}'"
1404 #ifndef LIBS_MACHINE
1405 #define LIBS_MACHINE
1406 #endif
1407 #ifndef LIBS_SYSTEM
1408 #define LIBS_SYSTEM
1409 #endif
1410 #ifndef C_SWITCH_SYSTEM
1411 #define C_SWITCH_SYSTEM
1412 #endif
1413 #ifndef C_SWITCH_MACHINE
1414 #define C_SWITCH_MACHINE
1415 #endif
1416 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1417 configure___ c_switch_system=C_SWITCH_SYSTEM
1418 configure___ c_switch_machine=C_SWITCH_MACHINE
1419
1420 #ifndef LIB_X11_LIB
1421 #define LIB_X11_LIB -lX11
1422 #endif
1423
1424 #ifndef LIBX11_MACHINE
1425 #define LIBX11_MACHINE
1426 #endif
1427
1428 #ifndef LIBX11_SYSTEM
1429 #define LIBX11_SYSTEM
1430 #endif
1431 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1432
1433 #ifdef UNEXEC
1434 configure___ unexec=UNEXEC
1435 #else
1436 configure___ unexec=unexec.o
1437 #endif
1438
1439 #ifdef SYSTEM_MALLOC
1440 configure___ system_malloc=yes
1441 #else
1442 configure___ system_malloc=no
1443 #endif
1444
1445 #ifdef USE_MMAP_FOR_BUFFERS
1446 configure___ use_mmap_for_buffers=yes
1447 #else
1448 configure___ use_mmap_for_buffers=no
1449 #endif
1450
1451 #ifndef C_DEBUG_SWITCH
1452 #define C_DEBUG_SWITCH -g
1453 #endif
1454
1455 #ifndef C_OPTIMIZE_SWITCH
1456 #ifdef __GNUC__
1457 #define C_OPTIMIZE_SWITCH -O2
1458 #else
1459 #define C_OPTIMIZE_SWITCH -O
1460 #endif
1461 #endif
1462
1463 #ifndef C_WARNINGS_SWITCH
1464 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1465 #endif
1466
1467 #ifndef LD_SWITCH_MACHINE
1468 #define LD_SWITCH_MACHINE
1469 #endif
1470
1471 #ifndef LD_SWITCH_SYSTEM
1472 #define LD_SWITCH_SYSTEM
1473 #endif
1474
1475 #ifndef LD_SWITCH_X_SITE_AUX
1476 #define LD_SWITCH_X_SITE_AUX
1477 #endif
1478
1479 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1480 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1481
1482 #ifdef THIS_IS_CONFIGURE
1483
1484 /* Get the CFLAGS for tests in configure.  */
1485 #ifdef __GNUC__
1486 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1487 #else
1488 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1489 #endif
1490
1491 #else /* not THIS_IS_CONFIGURE */
1492
1493 /* Get the CFLAGS for real compilation.  */
1494 #ifdef __GNUC__
1495 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1496 #else
1497 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1498 #endif
1499
1500 #endif /* not THIS_IS_CONFIGURE */
1501 ' > ${tempcname}
1502
1503 # The value of CPP is a quoted variable reference, so we need to do this
1504 # to get its actual value...
1505 CPP=`eval "echo $CPP"`
1506 [eval `${CPP} -Isrc ${tempcname} \
1507        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1508 if test "x$SPECIFIED_CFLAGS" = x; then
1509   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1510          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1511 else
1512   REAL_CFLAGS="$CFLAGS"
1513 fi]
1514 rm ${tempcname}
1515
1516 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1517
1518 ### Make sure subsequent tests use flags consistent with the build flags.
1519
1520 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1521   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1522 else
1523   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1524 fi
1525
1526 dnl For AC_FUNC_GETLOADAVG, at least:
1527 AC_CONFIG_LIBOBJ_DIR(src)
1528
1529 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1530 AC_SYS_LARGEFILE
1531
1532
1533 ### The standard library on x86-64 GNU/Linux distributions can
1534 ### be located in either /usr/lib64 or /usr/lib.
1535 case "${canonical}" in
1536   x86_64-*-linux-gnu* )
1537     if test -d /usr/lib64; then
1538       AC_DEFINE(HAVE_X86_64_LIB64_DIR, 1,
1539         [Define to 1 if the file /usr/lib64 exists.])
1540 fi
1541 esac
1542
1543 dnl This function defintion taken from Gnome 2.0
1544 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1545 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1546 dnl also defines GSTUFF_PKG_ERRORS on error
1547 AC_DEFUN([PKG_CHECK_MODULES], [
1548   succeeded=no
1549
1550   if test -z "$PKG_CONFIG"; then
1551     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1552   fi
1553
1554   if test "$PKG_CONFIG" = "no" ; then
1555      ifelse([$4], , [AC_MSG_ERROR([
1556       *** 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])
1557   else
1558      PKG_CONFIG_MIN_VERSION=0.9.0
1559      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1560         AC_MSG_CHECKING(for $2)
1561
1562         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1563             AC_MSG_RESULT(yes)
1564             succeeded=yes
1565
1566             AC_MSG_CHECKING($1_CFLAGS)
1567             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1568             AC_MSG_RESULT($$1_CFLAGS)
1569
1570             AC_MSG_CHECKING($1_LIBS)
1571             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1572             AC_MSG_RESULT($$1_LIBS)
1573         else
1574             AC_MSG_RESULT(no)
1575             $1_CFLAGS=""
1576             $1_LIBS=""
1577             ## If we have a custom action on failure, don't print errors, but
1578             ## do set a variable so people can do so.
1579             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1580             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1581         fi
1582
1583         AC_SUBST($1_CFLAGS)
1584         AC_SUBST($1_LIBS)
1585      else
1586         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1587         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1588      fi
1589   fi
1590
1591   if test $succeeded = yes; then
1592      ifelse([$3], , :, [$3])
1593   else
1594      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.])], [$4])
1595   fi
1596 ])
1597
1598
1599 if test "${with_sound}" != "no"; then
1600   # Sound support for GNU/Linux and the free BSDs.
1601   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1602   # Emulation library used on NetBSD.
1603   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1604   AC_SUBST(LIBSOUND)
1605
1606   ALSA_REQUIRED=1.0.0
1607   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1608   dnl Check if --with-pkg-config-prog has been given.
1609   if test "X${with_pkg_config_prog}" != X; then
1610     PKG_CONFIG="${with_pkg_config_prog}"
1611   fi
1612   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1613   if test $HAVE_ALSA = yes; then
1614     SAVE_CFLAGS="$CFLAGS"
1615     SAVE_LDFLAGS="$LDFLAGS"
1616     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1617     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1618     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1619                     emacs_alsa_normal=yes,
1620                     emacs_alsa_normal=no)
1621     if test "$emacs_alsa_normal" != yes; then
1622       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1623                      [snd_lib_error_set_handler (0);],
1624                      emacs_alsa_subdir=yes,
1625                      emacs_alsa_subdir=no)
1626       if test "$emacs_alsa_subdir" != yes; then
1627         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1628       fi
1629       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1630     fi
1631
1632     CFLAGS="$SAVE_CFLAGS"
1633     LDFLAGS="$SAVE_LDFLAGS"
1634     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1635     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1636     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1637   fi
1638   AC_SUBST(CFLAGS_SOUND)
1639 fi
1640
1641 dnl checks for header files
1642 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1643   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1644   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1645   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1646   sys/utsname.h pwd.h)
1647
1648 AC_MSG_CHECKING(if personality LINUX32 can be set)
1649 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1650                emacs_cv_personality_linux32=yes,
1651                emacs_cv_personality_linux32=no)
1652 AC_MSG_RESULT($emacs_cv_personality_linux32)
1653
1654 if test $emacs_cv_personality_linux32 = yes; then
1655   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1656             [Define to 1 if personality LINUX32 can be set.])
1657 fi
1658
1659 dnl On Solaris 8 there's a compilation warning for term.h because
1660 dnl it doesn't define `bool'.
1661 AC_CHECK_HEADERS(term.h, , , -)
1662 AC_HEADER_STDC
1663 AC_HEADER_TIME
1664 AC_CHECK_DECLS([sys_siglist])
1665 if test $ac_cv_have_decl_sys_siglist != yes; then
1666   # For Tru64, at least:
1667   AC_CHECK_DECLS([__sys_siglist])
1668   if test $ac_cv_have_decl___sys_siglist = yes; then
1669     AC_DEFINE(sys_siglist, __sys_siglist,
1670               [Define to any substitute for sys_siglist.])
1671   fi
1672 fi
1673 AC_HEADER_SYS_WAIT
1674
1675 dnl Some systems have utime.h but don't declare the struct anyplace.
1676 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1677 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1678 #include <sys/time.h>
1679 #include <time.h>
1680 #else
1681 #ifdef HAVE_SYS_TIME_H
1682 #include <sys/time.h>
1683 #else
1684 #include <time.h>
1685 #endif
1686 #endif
1687 #ifdef HAVE_UTIME_H
1688 #include <utime.h>
1689 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1690   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1691 if test $emacs_cv_struct_utimbuf = yes; then
1692   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1693 fi
1694
1695 dnl checks for typedefs
1696 AC_TYPE_SIGNAL
1697
1698 dnl Check for speed_t typedef.
1699 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1700   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1701     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1702 if test $emacs_cv_speed_t = yes; then
1703   AC_DEFINE(HAVE_SPEED_T, 1,
1704            [Define to 1 if `speed_t' is declared by <termios.h>.])
1705 fi
1706
1707 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1708 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1709 #include <sys/time.h>
1710 #include <time.h>
1711 #else
1712 #ifdef HAVE_SYS_TIME_H
1713 #include <sys/time.h>
1714 #else
1715 #include <time.h>
1716 #endif
1717 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1718   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1719 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1720 if test $emacs_cv_struct_timeval = yes; then
1721   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1722 fi
1723
1724 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1725 AC_TRY_COMPILE([#include <math.h>],
1726 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1727   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1728 HAVE_EXCEPTION=$emacs_cv_struct_exception
1729 if test $emacs_cv_struct_exception != yes; then
1730   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1731 fi
1732
1733 AC_CHECK_HEADERS(sys/socket.h)
1734 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1735 #if HAVE_SYS_SOCKET_H
1736 #include <sys/socket.h>
1737 #endif])
1738
1739 dnl checks for structure members
1740 AC_STRUCT_TM
1741 AC_STRUCT_TIMEZONE
1742 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1743                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1744                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1745                 [#include <time.h>])
1746 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1747                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1748                   struct ifreq.ifr_addr], , ,
1749                  [AC_INCLUDES_DEFAULT
1750 #if HAVE_SYS_SOCKET_H
1751 #include <sys/socket.h>
1752 #endif
1753 #if HAVE_NET_IF_H
1754 #include <net/if.h>
1755 #endif])
1756
1757 dnl checks for compiler characteristics
1758
1759 dnl Testing __STDC__ to determine prototype support isn't good enough.
1760 dnl DEC C, for instance, doesn't define it with default options, and
1761 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1762 dnl and void *.
1763 AC_C_PROTOTYPES
1764 AC_C_VOLATILE
1765 AC_C_CONST
1766 dnl This isn't useful because we can't turn on use of `inline' unless
1767 dnl the compiler groks `extern inline'.
1768 dnl AC_C_INLINE
1769 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1770   [AC_TRY_COMPILE(, [void * foo;],
1771                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1772 if test $emacs_cv_void_star = yes; then
1773   AC_DEFINE(POINTER_TYPE, void)
1774 else
1775   AC_DEFINE(POINTER_TYPE, char)
1776 fi
1777 AH_TEMPLATE(POINTER_TYPE,
1778             [Define as `void' if your compiler accepts `void *'; otherwise
1779              define as `char'.])dnl
1780
1781
1782
1783 dnl This could be used for targets which can have both byte sexes.
1784 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1785 dnl AC_C_BIGENDIAN
1786
1787 dnl check for Make feature
1788 AC_PROG_MAKE_SET
1789
1790 dnl checks for operating system services
1791 AC_SYS_LONG_FILE_NAMES
1792
1793 #### Choose a window system.
1794
1795 AC_PATH_X
1796 if test "$no_x" = yes; then
1797   window_system=none
1798 else
1799   window_system=x11
1800 fi
1801
1802 if test "${x_libraries}" != NONE; then
1803   if test -n "${x_libraries}"; then
1804     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1805     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1806   fi
1807   x_default_search_path=""
1808   x_search_path=${x_libraries}
1809   if test -z "${x_search_path}"; then
1810     x_search_path=/usr/lib
1811   fi
1812   for x_library in `echo ${x_search_path}: | \
1813                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1814     x_search_path="\
1815 ${x_library}/X11/%L/%T/%N%C%S:\
1816 ${x_library}/X11/%l/%T/%N%C%S:\
1817 ${x_library}/X11/%T/%N%C%S:\
1818 ${x_library}/X11/%L/%T/%N%S:\
1819 ${x_library}/X11/%l/%T/%N%S:\
1820 ${x_library}/X11/%T/%N%S"
1821     if test x"${x_default_search_path}" = x; then
1822       x_default_search_path=${x_search_path}
1823     else
1824       x_default_search_path="${x_search_path}:${x_default_search_path}"
1825     fi
1826   done
1827 fi
1828 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1829   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1830 fi
1831
1832 if test x"${x_includes}" = x; then
1833   bitmapdir=/usr/include/X11/bitmaps
1834 else
1835   # accumulate include directories that have X11 bitmap subdirectories
1836   bmd_acc="dummyval"
1837   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1838     if test -d "${bmd}/X11/bitmaps"; then
1839       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1840     fi
1841     if test -d "${bmd}/bitmaps"; then
1842       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1843     fi
1844   done
1845   if test ${bmd_acc} != "dummyval"; then
1846     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1847   fi
1848 fi
1849
1850 HAVE_CARBON=no
1851 if test "${with_carbon}" != no; then
1852   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1853 fi
1854 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1855   if test "${with_carbon+set}" != set \
1856      && test "${carbon_appdir_x+set}" != set; then
1857     for var in with_x with_x_toolkit with_gtk with_xim \
1858                with_xpm with_jpeg with_tiff with_gif with_png; do
1859       if eval test \"\${$var+set}\" = set; then
1860         HAVE_CARBON=no
1861         break
1862       fi
1863     done
1864   fi
1865 fi
1866 if test "${HAVE_CARBON}" = yes; then
1867   window_system=mac
1868 fi
1869
1870 case "${window_system}" in
1871   x11 )
1872     HAVE_X_WINDOWS=yes
1873     HAVE_X11=yes
1874     case "${with_x_toolkit}" in
1875       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1876       motif ) USE_X_TOOLKIT=MOTIF ;;
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, make this decision later:
1883 dnl use the toolkit if we have gtk, or X11R5 or newer.
1884       * )
1885           if test x"$with_gtk" = xyes; then
1886              USE_X_TOOLKIT=none
1887           else
1888              USE_X_TOOLKIT=maybe
1889           fi
1890           ;;
1891     esac
1892   ;;
1893   mac | none )
1894     HAVE_X_WINDOWS=no
1895     HAVE_X11=no
1896     USE_X_TOOLKIT=none
1897   ;;
1898 esac
1899
1900 ### If we're using X11, we should use the X menu package.
1901 HAVE_MENUS=no
1902 case ${HAVE_X11} in
1903   yes ) HAVE_MENUS=yes ;;
1904 esac
1905
1906 if test "${opsys}" = "hpux9"; then
1907   case "${x_libraries}" in
1908     *X11R4* )
1909       opsysfile="s/hpux9-x11r4.h"
1910       ;;
1911   esac
1912 fi
1913
1914 if test "${opsys}" = "hpux9shr"; then
1915   case "${x_libraries}" in
1916     *X11R4* )
1917       opsysfile="s/hpux9shxr4.h"
1918       ;;
1919   esac
1920 fi
1921
1922 ### Compute the unexec source name from the object name.
1923 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1924
1925 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1926 # Assume not, until told otherwise.
1927 GNU_MALLOC=yes
1928 doug_lea_malloc=yes
1929 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1930 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1931 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1932                emacs_cv_var___after_morecore_hook,
1933 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1934   emacs_cv_var___after_morecore_hook=yes,
1935   emacs_cv_var___after_morecore_hook=no)])
1936 if test $emacs_cv_var___after_morecore_hook = no; then
1937   doug_lea_malloc=no
1938 fi
1939 if test "${system_malloc}" = "yes"; then
1940   GNU_MALLOC=no
1941   GNU_MALLOC_reason="
1942     (The GNU allocators don't work with this system configuration.)"
1943 fi
1944 if test "$doug_lea_malloc" = "yes" ; then
1945   if test "$GNU_MALLOC" = yes ; then
1946     GNU_MALLOC_reason="
1947       (Using Doug Lea's new malloc from the GNU C Library.)"
1948   fi
1949   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1950             [Define to 1 if you are using the GNU C Library.])
1951 fi
1952
1953 if test x"${REL_ALLOC}" = x; then
1954   REL_ALLOC=${GNU_MALLOC}
1955 fi
1956
1957 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1958 dnl the system configuration file (s/*.h) to turn the use of mmap
1959 dnl in the relocating allocator on.
1960
1961 AC_FUNC_MMAP
1962 if test $use_mmap_for_buffers = yes; then
1963   REL_ALLOC=no
1964 fi
1965
1966 LIBS="$libsrc_libs $LIBS"
1967
1968 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1969 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1970 AC_CHECK_LIB(dnet, dnet_ntoa)
1971 dnl This causes -lresolv to get used in subsequent tests,
1972 dnl which causes failures on some systems such as HPUX 9.
1973 dnl AC_CHECK_LIB(resolv, gethostbyname)
1974
1975 dnl FIXME replace main with a function we actually want from this library.
1976 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1977
1978 AC_CHECK_LIB(pthreads, cma_open)
1979
1980 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1981 if test -d /usr/X386/include; then
1982   HAVE_XFREE386=yes
1983   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1984 else
1985   HAVE_XFREE386=no
1986 fi
1987 AC_MSG_RESULT($HAVE_XFREE386)
1988
1989 dnl Check for need for bigtoc support on IBM AIX
1990
1991 case ${host_os} in
1992 aix*)
1993   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1994     case $GCC in
1995     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1996     *) gdb_cv_bigtoc=-bbigtoc ;;
1997     esac
1998
1999     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2000     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
2001   ])
2002   ;;
2003 esac
2004
2005 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2006 # used for the tests that follow.  We set them back to REAL_CFLAGS and
2007 # REAL_CPPFLAGS later on.
2008
2009 REAL_CPPFLAGS="$CPPFLAGS"
2010
2011 if test "${HAVE_X11}" = "yes"; then
2012   DEFS="$C_SWITCH_X_SITE $DEFS"
2013   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2014   LIBS="$LIBX $LIBS"
2015   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2016   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2017
2018   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2019   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
2020   # but it's more convenient here to set LD_RUN_PATH
2021   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
2022   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2023     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2024     export LD_RUN_PATH
2025   fi
2026
2027   if test "${opsys}" = "gnu-linux"; then
2028     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2029     AC_TRY_LINK([],
2030      [XOpenDisplay ("foo");],
2031      [xlinux_first_failure=no],
2032      [xlinux_first_failure=yes])
2033     if test "${xlinux_first_failure}" = "yes"; then
2034       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2035       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2036       OLD_CPPFLAGS="$CPPFLAGS"
2037       OLD_LIBS="$LIBS"
2038       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2039       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2040       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2041       LIBS="$LIBS -b i486-linuxaout"
2042       AC_TRY_LINK([],
2043        [XOpenDisplay ("foo");],
2044        [xlinux_second_failure=no],
2045        [xlinux_second_failure=yes])
2046       if test "${xlinux_second_failure}" = "yes"; then
2047         # If we get the same failure with -b, there is no use adding -b.
2048         # So take it out.  This plays safe.
2049         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2050         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2051         CPPFLAGS="$OLD_CPPFLAGS"
2052         LIBS="$OLD_LIBS"
2053         AC_MSG_RESULT(no)
2054       else
2055         AC_MSG_RESULT(yes)
2056       fi
2057     else
2058       AC_MSG_RESULT(no)
2059     fi
2060   fi
2061
2062   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2063   # header files included from there.
2064   AC_MSG_CHECKING(for Xkb)
2065   AC_TRY_LINK([#include <X11/Xlib.h>
2066 #include <X11/XKBlib.h>],
2067         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
2068         emacs_xkb=yes, emacs_xkb=no)
2069   AC_MSG_RESULT($emacs_xkb)
2070   if test $emacs_xkb = yes; then
2071     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
2072   fi
2073
2074   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2075 XScreenNumberOfScreen XSetWMProtocols)
2076 fi
2077
2078 if test "${window_system}" = "x11"; then
2079   AC_MSG_CHECKING(X11 version 6)
2080   AC_CACHE_VAL(emacs_cv_x11_version_6,
2081   [AC_TRY_LINK([#include <X11/Xlib.h>],
2082 [#if XlibSpecificationRelease < 6
2083 fail;
2084 #endif
2085 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2086   if test $emacs_cv_x11_version_6 = yes; then
2087     AC_MSG_RESULT(6 or newer)
2088     AC_DEFINE(HAVE_X11R6, 1,
2089               [Define to 1 if you have the X11R6 or newer version of Xlib.])
2090   else
2091     AC_MSG_RESULT(before 6)
2092   fi
2093 fi
2094
2095 if test "${window_system}" = "x11"; then
2096   AC_MSG_CHECKING(X11 version 5)
2097   AC_CACHE_VAL(emacs_cv_x11_version_5,
2098   [AC_TRY_LINK([#include <X11/Xlib.h>],
2099 [#if XlibSpecificationRelease < 5
2100 fail;
2101 #endif
2102 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
2103   if test $emacs_cv_x11_version_5 = yes; then
2104     AC_MSG_RESULT(5 or newer)
2105     HAVE_X11R5=yes
2106     AC_DEFINE(HAVE_X11R5, 1,
2107               [Define to 1 if you have the X11R5 or newer version of Xlib.])
2108   else
2109     HAVE_X11R5=no
2110     AC_MSG_RESULT(before 5)
2111   fi
2112 fi
2113
2114 HAVE_GTK=no
2115 if test "${with_gtk}" = "yes" && test "$USE_X_TOOLKIT" = "gtk"; then
2116   USE_X_TOOLKIT=none
2117 fi
2118 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk" || \
2119  test "$USE_X_TOOLKIT" = "maybe"; then
2120   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
2121     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
2122   fi
2123   GLIB_REQUIRED=2.4
2124   GTK_REQUIRED=2.4
2125   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2126
2127   dnl Check if --with-pkg-config-prog has been given.
2128   if test "X${with_pkg_config_prog}" != X; then
2129     PKG_CONFIG="${with_pkg_config_prog}"
2130   fi
2131   dnl Checks for libraries.
2132   PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2133   if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
2134      AC_MSG_ERROR($GTK_PKG_ERRORS)
2135   fi
2136 fi
2137
2138
2139 if test x"$pkg_check_gtk" = xyes; then
2140
2141   AC_SUBST(GTK_CFLAGS)
2142   AC_SUBST(GTK_LIBS)
2143   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2144   CFLAGS="$CFLAGS $GTK_CFLAGS"
2145   LIBS="$GTK_LIBS $LIBS"
2146   dnl Try to compile a simple GTK program.
2147   GTK_COMPILES=no
2148   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2149   if test "${GTK_COMPILES}" != "yes"; then
2150     if test "$USE_X_TOOLKIT" != "maybe"; then
2151       AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
2152     fi
2153   else
2154     HAVE_GTK=yes
2155     AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
2156     USE_X_TOOLKIT=none
2157   fi
2158
2159 fi
2160
2161
2162 if test "${HAVE_GTK}" = "yes"; then
2163
2164   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2165   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
2166   if test "$with_toolkit_scroll_bars" != no; then
2167     with_toolkit_scroll_bars=yes
2168   fi
2169
2170   dnl  Check if we can use multiple displays with this GTK version.
2171   dnl  If gdk_display_open exists, assume all others are there also.
2172   HAVE_GTK_MULTIDISPLAY=no
2173   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
2174   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
2175     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
2176               [Define to 1 if GTK can handle more than one display.])
2177   fi
2178   dnl  Check if we have the old file selection dialog.
2179   dnl  If gdk_display_open exists, assume all others are there also.
2180   HAVE_GTK_FILE_SELECTION=no
2181   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
2182
2183   dnl  Check if we have the new file chooser dialog
2184   dnl  If gdk_display_open exists, assume all others are there also.
2185   HAVE_GTK_FILE_CHOOSER=no
2186   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
2187
2188   if test "$HAVE_GTK_FILE_SELECTION" = yes \
2189      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
2190     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
2191               [Define to 1 if GTK has both file selection and chooser dialog.])
2192   fi
2193
2194   dnl Check if pthreads are available.  Emacs only needs this when using
2195   dnl gtk_file_chooser under Gnome.
2196   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
2197     HAVE_GTK_AND_PTHREAD=no
2198     AC_CHECK_HEADERS(pthread.h)
2199     if test "$ac_cv_header_pthread_h"; then
2200       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
2201     fi
2202     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
2203       GTK_LIBS="$GTK_LIBS -lpthread"
2204       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
2205                [Define to 1 if you have GTK and pthread (-lpthread).])
2206     fi
2207   fi
2208 fi
2209
2210 ### Link with -lXft if available to work around a bug.
2211 HAVE_XFT=maybe
2212 if test "${HAVE_GTK}" = "yes"; then
2213   dnl Check if --with-pkg-config-prog has been given.
2214   if test "X${with_pkg_config_prog}" != X; then
2215     PKG_CONFIG="${with_pkg_config_prog}"
2216   fi
2217
2218   PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2219   if test "$HAVE_XFT" != no; then
2220     OLD_CFLAGS="$CPPFLAGS"
2221     OLD_CPPFLAGS="$CFLAGS"
2222     OLD_LIBS="$LIBS"
2223     CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2224     CFLAGS="$CFLAGS $XFT_CFLAGS"
2225     LIBS="$XFT_LIBS $LIBS"
2226     AC_CHECK_HEADER(X11/Xft/Xft.h,
2227       AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2228
2229     if test "${HAVE_XFT}" = "yes"; then
2230       AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2231       AC_SUBST(XFT_LIBS)
2232       C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2233     else
2234       CFLAGS="$OLD_CPPFLAGS"
2235       CFLAGS="$OLD_CFLAGS"
2236       LIBS="$OLD_LIBS"
2237     fi
2238   fi
2239 fi
2240
2241 dnl Do not put whitespace before the #include statements below.
2242 dnl Older compilers (eg sunos4 cc) choke on it.
2243 HAVE_XAW3D=no
2244 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2245   if test x"${HAVE_X11R5}" != xyes; then
2246     USE_X_TOOLKIT=none
2247   else
2248     AC_MSG_CHECKING(for xaw3d)
2249     AC_CACHE_VAL(emacs_cv_xaw3d,
2250     [AC_TRY_LINK([
2251 #include <X11/Intrinsic.h>
2252 #include <X11/Xaw3d/Simple.h>],
2253       [],
2254       emacs_cv_xaw3d=yes,
2255       emacs_cv_xaw3d=no)])
2256     if test $emacs_cv_xaw3d = yes; then
2257       AC_MSG_RESULT([yes; using Lucid toolkit])
2258       USE_X_TOOLKIT=LUCID
2259       HAVE_XAW3D=yes
2260       AC_DEFINE(HAVE_XAW3D, 1,
2261                 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2262     else
2263       AC_MSG_RESULT(no)
2264       AC_MSG_CHECKING(for libXaw)
2265       AC_CACHE_VAL(emacs_cv_xaw,
2266       [AC_TRY_LINK([
2267 #include <X11/Intrinsic.h>
2268 #include <X11/Xaw/Simple.h>],
2269         [],
2270         emacs_cv_xaw=yes,
2271         emacs_cv_xaw=no)])
2272       if test $emacs_cv_xaw = yes; then
2273         AC_MSG_RESULT([yes; using Lucid toolkit])
2274         USE_X_TOOLKIT=LUCID
2275       elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2276         AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2277       else
2278         AC_MSG_RESULT([no; do not use toolkit by default])
2279         USE_X_TOOLKIT=none
2280       fi
2281     fi
2282   fi
2283 fi
2284
2285 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2286
2287 if test "${USE_X_TOOLKIT}" != "none"; then
2288   AC_MSG_CHECKING(X11 toolkit version)
2289   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2290   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2291 [#if XtSpecificationRelease < 6
2292 fail;
2293 #endif
2294 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2295   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2296   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2297     AC_MSG_RESULT(6 or newer)
2298     AC_DEFINE(HAVE_X11XTR6, 1,
2299               [Define to 1 if you have the X11R6 or newer version of Xt.])
2300   else
2301     AC_MSG_RESULT(before 6)
2302   fi
2303
2304 dnl If using toolkit, check whether libXmu.a exists.
2305 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2306   OLDLIBS="$LIBS"
2307   if test x$HAVE_X11XTR6 = xyes; then
2308     LIBS="-lXt -lSM -lICE $LIBS"
2309   else
2310     LIBS="-lXt $LIBS"
2311   fi
2312   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2313   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2314 fi
2315
2316 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2317 if test "${HAVE_X11}" = "yes"; then
2318   if test "${USE_X_TOOLKIT}" != "none"; then
2319     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2320   fi
2321 fi
2322
2323 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2324   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2325   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2326     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2327 int x = 5;
2328 #else
2329 Motif version prior to 2.1.
2330 #endif],
2331     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2332   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
2333   if test $emacs_cv_motif_version_2_1 = yes; then
2334     HAVE_LIBXP=no
2335     AC_DEFINE(HAVE_MOTIF_2_1, 1,
2336               [Define to 1 if you have Motif 2.1 or newer.])
2337     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
2338     if test ${HAVE_LIBXP} = yes; then
2339       AC_DEFINE(HAVE_LIBXP, 1,
2340                 [Define to 1 if you have the Xp library (-lXp).])
2341     fi
2342   else
2343     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2344     # We put this in CFLAGS temporarily to precede other -I options
2345     # that might be in CFLAGS temporarily.
2346     # We put this in CPPFLAGS where it precedes the other -I options.
2347     OLD_CPPFLAGS=$CPPFLAGS
2348     OLD_CFLAGS=$CFLAGS
2349     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2350     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2351     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2352       [int x = 5;],
2353       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2354     if test $emacs_cv_lesstif = yes; then
2355       # Make sure this -I option remains in CPPFLAGS after it is set
2356       # back to REAL_CPPFLAGS.
2357       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2358       # have those other -I options anyway.  Ultimately, having this
2359       # directory ultimately in CPPFLAGS will be enough.
2360       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2361       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2362     else
2363       CFLAGS=$OLD_CFLAGS
2364       CPPFLAGS=$OLD_CPPFLAGS
2365     fi
2366   fi
2367 fi
2368
2369 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2370 dnl using Motif or Xaw3d is available, and unless
2371 dnl --with-toolkit-scroll-bars=no was specified.
2372
2373 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2374             [Define to 1 if we should use toolkit scroll bars.])dnl
2375 USE_TOOLKIT_SCROLL_BARS=no
2376 if test "${with_toolkit_scroll_bars}" != "no"; then
2377   if test "${USE_X_TOOLKIT}" != "none"; then
2378     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2379       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2380       HAVE_XAW3D=no
2381       USE_TOOLKIT_SCROLL_BARS=yes
2382     elif test "${HAVE_XAW3D}" = "yes"; then
2383       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2384       USE_TOOLKIT_SCROLL_BARS=yes
2385     fi
2386   elif test "${HAVE_GTK}" = "yes"; then
2387     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2388     USE_TOOLKIT_SCROLL_BARS=yes
2389   elif test "${HAVE_CARBON}" = "yes"; then
2390     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2391     USE_TOOLKIT_SCROLL_BARS=yes
2392   fi
2393 fi
2394
2395 dnl See if XIM is available.
2396 AC_TRY_COMPILE([
2397           #include <X11/Xlib.h>
2398           #include <X11/Xresource.h>],
2399          [XIMProc  callback;],
2400          HAVE_XIM=yes
2401          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available]),
2402          HAVE_XIM=no)
2403
2404 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2405
2406 if test "${with_xim}" != "no"; then
2407   AC_DEFINE(USE_XIM, 1,
2408             [Define to 1 if we should use XIM, if it is available.])
2409 fi
2410
2411
2412 if test "${HAVE_XIM}" != "no"; then
2413   late_CFLAGS=$CFLAGS
2414   if test "$GCC" = yes; then
2415     CFLAGS="$CFLAGS --pedantic-errors"
2416   fi
2417   AC_TRY_COMPILE([
2418 #include <X11/Xlib.h>
2419 #include <X11/Xresource.h>],
2420 [Display *display;
2421 XrmDatabase db;
2422 char *res_name;
2423 char *res_class;
2424 XIMProc  callback;
2425 XPointer *client_data;
2426 #ifndef __GNUC__
2427 /* If we're not using GCC, it's probably not XFree86, and this is
2428    probably right, but we can't use something like --pedantic-errors.  */
2429 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2430                                            char*, XIMProc, XPointer*);
2431 #endif
2432 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2433    client_data);],
2434     [emacs_cv_arg6_star=yes])
2435   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2436          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2437 either XPointer or XPointer*.])dnl
2438   if test "$emacs_cv_arg6_star" = yes; then
2439     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2440   else
2441     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2442   fi
2443   CFLAGS=$late_CFLAGS
2444 fi
2445
2446 ### Use -lXpm if available, unless `--with-xpm=no'.
2447 HAVE_XPM=no
2448 if test "${HAVE_X11}" = "yes"; then
2449   if test "${with_xpm}" != "no"; then
2450     AC_CHECK_HEADER(X11/xpm.h,
2451       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
2452     if test "${HAVE_XPM}" = "yes"; then
2453       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2454       AC_EGREP_CPP(no_return_alloc_pixels,
2455       [#include "X11/xpm.h"
2456 #ifndef XpmReturnAllocPixels
2457 no_return_alloc_pixels
2458 #endif
2459       ], HAVE_XPM=no, HAVE_XPM=yes)
2460
2461       if test "${HAVE_XPM}" = "yes"; then
2462         AC_MSG_RESULT(yes)
2463       else
2464         AC_MSG_RESULT(no)
2465       fi
2466     fi
2467   fi
2468
2469   if test "${HAVE_XPM}" = "yes"; then
2470     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2471   fi
2472 fi
2473
2474 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2475 HAVE_JPEG=no
2476 if test "${HAVE_X11}" = "yes"; then
2477   if test "${with_jpeg}" != "no"; then
2478     dnl Checking for jpeglib.h can lose because of a redefinition of
2479     dnl  HAVE_STDLIB_H.
2480     AC_CHECK_HEADER(jerror.h,
2481       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
2482   fi
2483
2484   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2485   if test "${HAVE_JPEG}" = "yes"; then
2486     AC_DEFINE(HAVE_JPEG)
2487     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2488         [#include <jpeglib.h>
2489          version=JPEG_LIB_VERSION
2490 ],
2491         AC_DEFINE(HAVE_JPEG),
2492         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2493         HAVE_JPEG=no])
2494   fi
2495 fi
2496
2497 ### Use -lpng if available, unless `--with-png=no'.
2498 HAVE_PNG=no
2499 if test "${HAVE_X11}" = "yes"; then
2500   if test "${with_png}" != "no"; then
2501     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2502     # in /usr/include/libpng.
2503     AC_CHECK_HEADERS(png.h libpng/png.h)
2504     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2505       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2506     fi
2507   fi
2508
2509   if test "${HAVE_PNG}" = "yes"; then
2510     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2511   fi
2512 fi
2513
2514 ### Use -ltiff if available, unless `--with-tiff=no'.
2515 HAVE_TIFF=no
2516 if test "${HAVE_X11}" = "yes"; then
2517   if test "${with_tiff}" != "no"; then
2518     AC_CHECK_HEADER(tiffio.h,
2519       tifflibs="-lz -lm"
2520       # At least one tiff package requires the jpeg library.
2521       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2522       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
2523   fi
2524
2525   if test "${HAVE_TIFF}" = "yes"; then
2526     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2527   fi
2528 fi
2529
2530 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2531 HAVE_GIF=no
2532 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2533   AC_CHECK_HEADER(gif_lib.h,
2534 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2535 # Earlier versions can crash Emacs.
2536     AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, try_libgif=yes))
2537
2538   if test "$HAVE_GIF" = yes; then
2539       ac_gif_lib_name="-lungif"
2540   fi
2541
2542 # If gif_lib.h but no libungif, try libgif.
2543   if test x"$try_libgif" = xyes; then
2544     AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes)
2545
2546     if test "$HAVE_GIF" = yes; then
2547       AC_DEFINE(LIBGIF, -lgif, [Compiler option to link with the gif library (if not -lungif).])
2548       ac_gif_lib_name="-lgif"
2549     fi
2550   fi
2551
2552   if test "${HAVE_GIF}" = "yes"; then
2553     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lungif; otherwise specify with LIBGIF).])
2554   fi
2555 fi
2556
2557 ### Use -lgpm if available, unless `--with-gpm=no'.
2558 HAVE_GPM=no
2559 if test "${with_gpm}" != "no"; then
2560   AC_CHECK_HEADER(gpm.h,
2561     AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes))
2562 fi
2563
2564 if test "${HAVE_GPM}" = "yes"; then
2565   AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2566 fi
2567
2568 dnl Check for malloc/malloc.h on darwin
2569 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.]))
2570
2571 ### Use Mac OS X Carbon API to implement GUI.
2572 if test "${HAVE_CARBON}" = "yes"; then
2573   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2574   ## Specify the install directory
2575   carbon_appdir=
2576   if test "${carbon_appdir_x}" != ""; then
2577     case ${carbon_appdir_x} in
2578       y | ye | yes)  carbon_appdir=/Applications ;;
2579       * ) carbon_appdir=${carbon_appdir_x} ;;
2580     esac
2581   fi
2582   # We also have mouse menus.
2583   HAVE_MENUS=yes
2584 fi
2585
2586 ### Use session management (-lSM -lICE) if available
2587 HAVE_X_SM=no
2588 if test "${HAVE_X11}" = "yes"; then
2589   AC_CHECK_HEADER(X11/SM/SMlib.h,
2590     AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE))
2591
2592   if test "${HAVE_X_SM}" = "yes"; then
2593     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2594     case "$LIBS" in
2595       *-lSM*) ;;
2596       *)      LIBS="-lSM -lICE $LIBS" ;;
2597     esac
2598   fi
2599 fi
2600
2601 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2602 AC_CACHE_CHECK(whether netdb declares h_errno,
2603                emacs_cv_netdb_declares_h_errno,
2604 [AC_TRY_LINK([#include <netdb.h>],
2605   [return h_errno;],
2606   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2607 if test $emacs_cv_netdb_declares_h_errno = yes; then
2608   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2609 fi
2610
2611 AC_FUNC_ALLOCA
2612
2613 # fmod, logb, and frexp are found in -lm on most systems.
2614 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2615 AC_CHECK_LIB(m, sqrt)
2616
2617 # Check for mail-locking functions in a "mail" library.  Probably this should
2618 # have the same check as for liblockfile below.
2619 AC_CHECK_LIB(mail, maillock)
2620 dnl Debian, at least:
2621 AC_CHECK_LIB(lockfile, maillock)
2622 # If we have the shared liblockfile, assume we must use it for mail
2623 # locking (e.g. Debian).  If we couldn't link against liblockfile
2624 # (no liblockfile.a installed), ensure that we don't need to.
2625 if test "$ac_cv_lib_lockfile_maillock" = no; then
2626   dnl This works for files generally, not just executables.
2627   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2628   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2629                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2630   if test $ac_cv_prog_liblockfile = yes; then
2631     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2632 This probably means that movemail could lose mail.
2633 There may be a `development' package to install containing liblockfile.])
2634   else :
2635   fi
2636 fi
2637 AC_CHECK_FUNCS(touchlock)
2638 AC_CHECK_HEADERS(maillock.h)
2639
2640 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2641 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2642 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
2643 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2644 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2645 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2646 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2647 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2648 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2649
2650 AC_CHECK_HEADERS(sys/un.h)
2651
2652 AC_FUNC_MKTIME
2653 if test "$ac_cv_func_working_mktime" = no; then
2654   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2655 fi
2656
2657 AC_FUNC_GETLOADAVG
2658
2659 AC_FUNC_FSEEKO
2660
2661 # Configure getopt.
2662 m4_include([m4/getopt.m4])
2663 gl_GETOPT_IFELSE([
2664   gl_GETOPT_SUBSTITUTE_HEADER
2665   gl_PREREQ_GETOPT
2666   GETOPTOBJS='getopt.o getopt1.o'
2667 ])
2668 AC_SUBST(GETOPTOBJS)
2669
2670 AC_FUNC_GETPGRP
2671
2672 AC_FUNC_STRFTIME
2673
2674 # UNIX98 PTYs.
2675 AC_CHECK_FUNCS(grantpt)
2676
2677 # PTY-related GNU extensions.
2678 AC_CHECK_FUNCS(getpt)
2679
2680 # Check this now, so that we will NOT find the above functions in ncurses.
2681 # That is because we have not set up to link ncurses in lib-src.
2682 # It's better to believe a function is not available
2683 # than to expect to find it in ncurses.
2684 AC_CHECK_LIB(ncurses, tparm)
2685
2686 # Do we need the Hesiod library to provide the support routines?
2687 if test "$with_hesiod" = yes ; then
2688   # Don't set $LIBS here -- see comments above.
2689   resolv=no
2690   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2691      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2692                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2693   if test "$resolv" = yes ; then
2694     RESOLVLIB=-lresolv
2695     AC_DEFINE(HAVE_LIBRESOLV, 1,
2696               [Define to 1 if you have the resolv library (-lresolv).])
2697   else
2698     RESOLVLIB=
2699   fi
2700   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2701         AC_DEFINE(HAVE_LIBHESIOD, 1,
2702                   [Define to 1 if you have the hesiod library (-lhesiod).]),
2703         :, $RESOLVLIB)])
2704 fi
2705
2706 # These tell us which Kerberos-related libraries to use.
2707 if test "${with_kerberos+set}" = set; then
2708   AC_CHECK_LIB(com_err, com_err)
2709   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2710   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2711   AC_CHECK_LIB(krb5, krb5_init_context)
2712   if test "${with_kerberos5+set}" != set; then
2713     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2714                  AC_CHECK_LIB(des, des_cbc_encrypt))
2715     AC_CHECK_LIB(krb4, krb_get_cred,,
2716                  AC_CHECK_LIB(krb, krb_get_cred))
2717   fi
2718
2719   if test "${with_kerberos5+set}" = set; then
2720     AC_CHECK_HEADERS(krb5.h)
2721   else
2722     AC_CHECK_HEADERS(des.h,,
2723                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2724                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2725     AC_CHECK_HEADERS(krb.h,,
2726                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2727                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2728   fi
2729   AC_CHECK_HEADERS(com_err.h)
2730 fi
2731
2732 # Solaris requires -lintl if you want strerror (which calls dgettext)
2733 # to return localized messages.
2734 AC_CHECK_LIB(intl, dgettext)
2735
2736 AC_MSG_CHECKING(whether localtime caches TZ)
2737 AC_CACHE_VAL(emacs_cv_localtime_cache,
2738 [if test x$ac_cv_func_tzset = xyes; then
2739 AC_TRY_RUN([#include <time.h>
2740 extern char **environ;
2741 unset_TZ ()
2742 {
2743   char **from, **to;
2744   for (to = from = environ; (*to = *from); from++)
2745     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2746       to++;
2747 }
2748 char TZ_GMT0[] = "TZ=GMT0";
2749 char TZ_PST8[] = "TZ=PST8";
2750 main()
2751 {
2752   time_t now = time ((time_t *) 0);
2753   int hour_GMT0, hour_unset;
2754   if (putenv (TZ_GMT0) != 0)
2755     exit (1);
2756   hour_GMT0 = localtime (&now)->tm_hour;
2757   unset_TZ ();
2758   hour_unset = localtime (&now)->tm_hour;
2759   if (putenv (TZ_PST8) != 0)
2760     exit (1);
2761   if (localtime (&now)->tm_hour == hour_GMT0)
2762     exit (1);
2763   unset_TZ ();
2764   if (localtime (&now)->tm_hour != hour_unset)
2765     exit (1);
2766   exit (0);
2767 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2768 [# If we have tzset, assume the worst when cross-compiling.
2769 emacs_cv_localtime_cache=yes])
2770 else
2771         # If we lack tzset, report that localtime does not cache TZ,
2772         # since we can't invalidate the cache if we don't have tzset.
2773         emacs_cv_localtime_cache=no
2774 fi])dnl
2775 AC_MSG_RESULT($emacs_cv_localtime_cache)
2776 if test $emacs_cv_localtime_cache = yes; then
2777   AC_DEFINE(LOCALTIME_CACHE, 1,
2778             [Define to 1 if localtime caches TZ.])
2779 fi
2780
2781 if test "x$HAVE_TIMEVAL" = xyes; then
2782   AC_CHECK_FUNCS(gettimeofday)
2783   if test $ac_cv_func_gettimeofday = yes; then
2784     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2785                    emacs_cv_gettimeofday_two_arguments,
2786     [AC_TRY_COMPILE([
2787 #ifdef TIME_WITH_SYS_TIME
2788 #include <sys/time.h>
2789 #include <time.h>
2790 #else
2791 #ifdef HAVE_SYS_TIME_H
2792 #include <sys/time.h>
2793 #else
2794 #include <time.h>
2795 #endif
2796 #endif],
2797       [struct timeval time;
2798        gettimeofday (&time, 0);],
2799       emacs_cv_gettimeofday_two_arguments=yes,
2800       emacs_cv_gettimeofday_two_arguments=no)])
2801     if test $emacs_cv_gettimeofday_two_arguments = no; then
2802       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2803                 [Define to 1 if gettimeofday accepts only one argument.])
2804     fi
2805   fi
2806 fi
2807
2808 ok_so_far=yes
2809 AC_CHECK_FUNC(socket, , ok_so_far=no)
2810 if test $ok_so_far = yes; then
2811   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2812 fi
2813 if test $ok_so_far = yes; then
2814   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2815 fi
2816 if test $ok_so_far = yes; then
2817 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2818   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2819             [Define to 1 if you have inet sockets.])
2820 fi
2821
2822 AC_CHECK_HEADERS(sys/ioctl.h)
2823
2824 if test -f /usr/lpp/X11/bin/smt.exp; then
2825   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2826             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2827 fi
2828
2829 AC_MSG_CHECKING(whether system supports dynamic ptys)
2830 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2831   AC_MSG_RESULT(yes)
2832   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2833 else
2834   AC_MSG_RESULT(no)
2835 fi
2836
2837 AC_FUNC_FORK
2838
2839 dnl Adapted from Haible's version.
2840 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2841   [AC_TRY_LINK([#include <langinfo.h>],
2842     [char* cs = nl_langinfo(CODESET);],
2843     emacs_cv_langinfo_codeset=yes,
2844     emacs_cv_langinfo_codeset=no)
2845   ])
2846 if test $emacs_cv_langinfo_codeset = yes; then
2847   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2848     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2849 fi
2850
2851 AC_CHECK_TYPES(size_t)
2852
2853 AC_TYPE_MBSTATE_T
2854
2855 dnl Restrict could probably be used effectively other than in regex.c.
2856 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2857   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2858                   emacs_cv_c_restrict=yes,
2859                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2860                                   emacs_cv_c_restrict=__restrict,
2861                                   emacs_cv_c_restrict=no)])])
2862 case "$emacs_cv_c_restrict" in
2863   yes) emacs_restrict=restrict;;
2864   no) emacs_restrict="";;
2865   *) emacs_restrict="$emacs_cv_c_restrict";;
2866 esac
2867 if test "$emacs_restrict" != __restrict; then
2868   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2869     [Define to compiler's equivalent of C99 restrict keyword.
2870      Don't define if equivalent is `__restrict'.])
2871 fi
2872
2873 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2874   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2875                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2876 if test "$emacs_cv_c_restrict_arr" = yes; then
2877   AC_DEFINE(__restrict_arr, __restrict,
2878     [Define to compiler's equivalent of C99 restrict keyword in array
2879      declarations.  Define as empty for no equivalent.])
2880 fi
2881
2882 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2883 dnl how the tty code is related to POSIX and/or other versions of termios.
2884 dnl The following looks like a useful start.
2885 dnl
2886 dnl AC_SYS_POSIX_TERMIOS
2887 dnl if test $ac_cv_sys_posix_termios = yes; then
2888 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2889 dnl                                and macros for terminal control.])
2890 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2891 dnl fi
2892
2893 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2894
2895 # Set up the CFLAGS for real compilation, so we can substitute it.
2896 CFLAGS="$REAL_CFLAGS"
2897 CPPFLAGS="$REAL_CPPFLAGS"
2898
2899 #### Find out which version of Emacs this is.
2900 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2901          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2902 if test x"${version}" = x; then
2903   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2904 fi
2905
2906 ### Specify what sort of things we'll be editing into Makefile and config.h.
2907 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2908 AC_SUBST(version)
2909 AC_SUBST(configuration)
2910 AC_SUBST(canonical)
2911 AC_SUBST(srcdir)
2912 AC_SUBST(prefix)
2913 AC_SUBST(exec_prefix)
2914 AC_SUBST(bindir)
2915 AC_SUBST(datadir)
2916 AC_SUBST(sharedstatedir)
2917 AC_SUBST(libexecdir)
2918 AC_SUBST(mandir)
2919 AC_SUBST(infodir)
2920 AC_SUBST(lispdir)
2921 AC_SUBST(locallisppath)
2922 AC_SUBST(lisppath)
2923 AC_SUBST(x_default_search_path)
2924 AC_SUBST(etcdir)
2925 AC_SUBST(archlibdir)
2926 AC_SUBST(docdir)
2927 AC_SUBST(bitmapdir)
2928 AC_SUBST(gamedir)
2929 AC_SUBST(gameuser)
2930 AC_SUBST(c_switch_system)
2931 AC_SUBST(c_switch_machine)
2932 AC_SUBST(LD_SWITCH_X_SITE)
2933 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2934 AC_SUBST(C_SWITCH_X_SITE)
2935 AC_SUBST(CFLAGS)
2936 AC_SUBST(X_TOOLKIT_TYPE)
2937 AC_SUBST(machfile)
2938 AC_SUBST(opsysfile)
2939 AC_SUBST(GETLOADAVG_LIBS)
2940 AC_SUBST(carbon_appdir)
2941
2942 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2943                    [Define to the canonical Emacs configuration name.])
2944 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2945                    [Define to the options passed to configure.])
2946 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2947                    [Define to the used machine dependent file.])
2948 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2949                    [Define to the used os dependent file.])
2950 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2951 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2952  may need to deal with X Windows.  For instance, if you've defined
2953  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2954  your loader can find on its own, you might want to add "-L/..." or
2955  something similar.])
2956 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2957                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2958                     in case it's needed (for Solaris, for example).])
2959 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2960 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2961  may need to deal with X Windows.  For instance, if you've defined
2962  HAVE_X_WINDOWS above and your X include files aren't in a place
2963  that your compiler can find on its own, you might want to add
2964  "-I/..." or something similar.])
2965 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2966                    [Define to the unexec source file name.])
2967
2968 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2969   AC_DEFINE(HAVE_X_WINDOWS, 1,
2970             [Define to 1 if you want to use the X window system.])
2971 fi
2972 if test "${USE_X_TOOLKIT}" != "none" ; then
2973   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2974 fi
2975 if test "${HAVE_X11}" = "yes" ; then
2976   AC_DEFINE(HAVE_X11, 1,
2977             [Define to 1 if you want to use version 11 of X windows.
2978              Otherwise, Emacs expects to use version 10.])
2979 fi
2980 if test "${HAVE_XFREE386}" = "yes" ; then
2981   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2982 fi
2983 if test "${HAVE_MENUS}" = "yes" ; then
2984   AC_DEFINE(HAVE_MENUS, 1,
2985             [Define to 1 if you have mouse menus.
2986              (This is automatic if you use X, but the option to specify it remains.)
2987              It is also defined with other window systems that support xmenu.c.])
2988 fi
2989 if test "${GNU_MALLOC}" = "yes" ; then
2990   AC_DEFINE(GNU_MALLOC, 1,
2991             [Define to 1 if you want to use the GNU memory allocator.])
2992 fi
2993 if test "${REL_ALLOC}" = "yes" ; then
2994   AC_DEFINE(REL_ALLOC, 1,
2995             [Define REL_ALLOC if you want to use the relocating allocator for
2996              buffer space.])
2997 fi
2998
2999 AH_TOP([/* GNU Emacs site configuration template file.
3000    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
3001              Free Software Foundation, Inc.
3002
3003 This file is part of GNU Emacs.
3004
3005 GNU Emacs is free software; you can redistribute it and/or modify
3006 it under the terms of the GNU General Public License as published by
3007 the Free Software Foundation; either version 2, or (at your option)
3008 any later version.
3009
3010 GNU Emacs is distributed in the hope that it will be useful,
3011 but WITHOUT ANY WARRANTY; without even the implied warranty of
3012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
3013 GNU General Public License for more details.
3014
3015 You should have received a copy of the GNU General Public License
3016 along with GNU Emacs; see the file COPYING.  If not, write to the
3017 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
3018 Boston, MA 02110-1301, USA.  */
3019
3020
3021 /* No code in Emacs #includes config.h twice, but some bits of code
3022    intended to work with other packages as well (like gmalloc.c)
3023    think they can include it as many times as they like.  */
3024 #ifndef EMACS_CONFIG_H
3025 #define EMACS_CONFIG_H
3026 ])dnl
3027
3028 AH_BOTTOM([
3029 /* If we're using any sort of window system, define some consequences.  */
3030 #ifdef HAVE_X_WINDOWS
3031 #define HAVE_WINDOW_SYSTEM
3032 #define MULTI_KBOARD
3033 #define HAVE_MOUSE
3034 #endif
3035
3036 /* If we're using the Carbon API on Mac OS X, define a few more
3037    variables as well.  */
3038 #ifdef HAVE_CARBON
3039 #define HAVE_WINDOW_SYSTEM
3040 #define HAVE_MOUSE
3041 #endif
3042
3043 /* Define USER_FULL_NAME to return a string
3044    that is the user's full name.
3045    It can assume that the variable `pw'
3046    points to the password file entry for this user.
3047
3048    At some sites, the pw_gecos field contains
3049    the user's full name.  If neither this nor any other
3050    field contains the right thing, use pw_name,
3051    giving the user's login name, since that is better than nothing.  */
3052 #define USER_FULL_NAME pw->pw_gecos
3053
3054 /* Define AMPERSAND_FULL_NAME if you use the convention
3055    that & in the full name stands for the login id.  */
3056 /* Turned on June 1996 supposing nobody will mind it.  */
3057 #define AMPERSAND_FULL_NAME
3058
3059 /* We have blockinput.h.  */
3060 #define DO_BLOCK_INPUT
3061
3062 /* Define HAVE_SOUND if we have sound support.  We know it works
3063    and compiles only on the specified platforms.   For others,
3064    it probably doesn't make sense to try.  */
3065
3066 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
3067 #ifdef HAVE_MACHINE_SOUNDCARD_H
3068 #define HAVE_SOUND 1
3069 #endif
3070 #ifdef HAVE_SYS_SOUNDCARD_H
3071 #define HAVE_SOUND 1
3072 #endif
3073 #ifdef HAVE_SOUNDCARD_H
3074 #define HAVE_SOUND 1
3075 #endif
3076 #ifdef HAVE_ALSA
3077 #define HAVE_SOUND 1
3078 #endif
3079 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
3080
3081 /* If using GNU, then support inline function declarations. */
3082 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3083    generally, because even if non-gcc compilers accept `inline', they
3084    may reject `extern inline'.  */
3085 #if defined (__GNUC__) && defined (OPTIMIZE)
3086 #define INLINE __inline__
3087 #else
3088 #define INLINE
3089 #endif
3090
3091 /* Include the os and machine dependent files.  */
3092 #include config_opsysfile
3093 #include config_machfile
3094
3095 /* Load in the conversion definitions if this system
3096    needs them and the source file being compiled has not
3097    said to inhibit this.  There should be no need for you
3098    to alter these lines.  */
3099
3100 #ifdef SHORTNAMES
3101 #ifndef NO_SHORTNAMES
3102 #include "../shortnames/remap.h"
3103 #endif /* not NO_SHORTNAMES */
3104 #endif /* SHORTNAMES */
3105
3106 /* If no remapping takes place, static variables cannot be dumped as
3107    pure, so don't worry about the `static' keyword. */
3108 #ifdef NO_REMAP
3109 #undef static
3110 #endif
3111
3112 /* Define `subprocesses' should be defined if you want to
3113    have code for asynchronous subprocesses
3114    (as used in M-x compile and M-x shell).
3115    These do not work for some USG systems yet;
3116    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
3117
3118 #ifndef VMS
3119 #ifndef USG
3120 /* #define subprocesses */
3121 #endif
3122 #endif
3123
3124 /* SIGTYPE is the macro we actually use.  */
3125 #ifndef SIGTYPE
3126 #define SIGTYPE RETSIGTYPE
3127 #endif
3128
3129 #ifdef emacs /* Don't do this for lib-src.  */
3130 /* Tell regex.c to use a type compatible with Emacs.  */
3131 #define RE_TRANSLATE_TYPE Lisp_Object
3132 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3133 #ifdef make_number
3134 /* If make_number is a macro, use it.  */
3135 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3136 #else
3137 /* If make_number is a function, avoid it.  */
3138 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3139 #endif
3140 #endif
3141
3142 /* Avoid link-time collision with system mktime if we will use our own.  */
3143 #if ! HAVE_MKTIME || BROKEN_MKTIME
3144 #define mktime emacs_mktime
3145 #endif
3146
3147 #define my_strftime nstrftime   /* for strftime.c */
3148
3149 /* The rest of the code currently tests the CPP symbol BSTRING.
3150    Override any claims made by the system-description files.
3151    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
3152 #undef BSTRING
3153 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
3154 #define BSTRING
3155 #endif
3156
3157 /* Some of the files of Emacs which are intended for use with other
3158    programs assume that if you have a config.h file, you must declare
3159    the type of getenv.
3160
3161    This declaration shouldn't appear when alloca.s or Makefile.in
3162    includes config.h.  */
3163 #ifndef NOT_C_CODE
3164 extern char *getenv ();
3165 #endif
3166
3167 /* These default definitions are good for almost all machines.
3168    The exceptions override them in m/MACHINE.h.  */
3169
3170 #ifndef BITS_PER_CHAR
3171 #define BITS_PER_CHAR 8
3172 #endif
3173
3174 #ifndef BITS_PER_SHORT
3175 #define BITS_PER_SHORT 16
3176 #endif
3177
3178 /* Note that lisp.h uses this in a preprocessor conditional, so it
3179    would not work to use sizeof.  That being so, we do all of them
3180    without sizeof, for uniformity's sake.  */
3181 #ifndef BITS_PER_INT
3182 #define BITS_PER_INT 32
3183 #endif
3184
3185 #ifndef BITS_PER_LONG
3186 #ifdef _LP64
3187 #define BITS_PER_LONG 64
3188 #else
3189 #define BITS_PER_LONG 32
3190 #endif
3191 #endif
3192
3193 /* Define if the compiler supports function prototypes.  It may do so
3194    but not define __STDC__ (e.g. DEC C by default) or may define it as
3195    zero.  */
3196 #undef PROTOTYPES
3197 /* For mktime.c:  */
3198 #ifndef __P
3199 # if defined PROTOTYPES
3200 #  define __P(args) args
3201 # else
3202 #  define __P(args) ()
3203 # endif  /* GCC.  */
3204 #endif /* __P */
3205
3206 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
3207 #ifndef NOT_C_CODE
3208 #ifdef HAVE_STRING_H
3209 #include "string.h"
3210 #endif
3211 #ifdef HAVE_STRINGS_H
3212 #include "strings.h"  /* May be needed for bcopy & al. */
3213 #endif
3214 #ifdef HAVE_STDLIB_H
3215 #include <stdlib.h>
3216 #endif
3217 #ifndef __GNUC__
3218 # ifdef HAVE_ALLOCA_H
3219 #  include <alloca.h>
3220 # else /* AIX files deal with #pragma.  */
3221 #  ifndef alloca /* predefined by HP cc +Olibcalls */
3222 char *alloca ();
3223 #  endif
3224 # endif /* HAVE_ALLOCA_H */
3225 #endif /* __GNUC__ */
3226 #ifndef HAVE_SIZE_T
3227 typedef unsigned size_t;
3228 #endif
3229 #endif /* NOT_C_CODE */
3230
3231 /* Define HAVE_X_I18N if we have usable i18n support.  */
3232
3233 #ifdef HAVE_X11R6
3234 #define HAVE_X_I18N
3235 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
3236 #define HAVE_X_I18N
3237 #endif
3238
3239 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
3240
3241 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3242 #define HAVE_X11R6_XIM
3243 #endif
3244
3245 /* Should we enable expensive run-time checking of data types?  */
3246 #undef ENABLE_CHECKING
3247
3248 #if defined __GNUC__ && (__GNUC__ > 2 \
3249                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3250 #define NO_RETURN       __attribute__ ((__noreturn__))
3251 #else
3252 #define NO_RETURN       /* nothing */
3253 #endif
3254
3255 /* These won't be used automatically yet.  We also need to know, at least,
3256    that the stack is continuous.  */
3257 #ifdef __GNUC__
3258 #  ifndef GC_SETJMP_WORKS
3259   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
3260      see NON_SAVING_SETJMP in the target descriptions.  */
3261   /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
3262      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
3263      Fixme: Deal with ns32k, SVR3.  */
3264 #    define GC_SETJMP_WORKS 1
3265 #  endif
3266 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3267 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3268 #  endif
3269 #endif
3270
3271 #ifndef HAVE_BCOPY
3272 #define bcopy(a,b,s) memcpy (b,a,s)
3273 #endif
3274 #ifndef HAVE_BZERO
3275 #define bzero(a,s) memset (a,0,s)
3276 #endif
3277 #ifndef HAVE_BCMP
3278 #define BCMP memcmp
3279 #endif
3280
3281 #endif /* EMACS_CONFIG_H */
3282
3283 /*
3284 Local Variables:
3285 mode: c
3286 End:
3287 */
3288 ])dnl
3289
3290 #### Report on what we decided to do.
3291 #### Report GTK as a toolkit, even if it doesn't use Xt.
3292 #### It makes printing result more understandable as using GTK sets
3293 #### toolkit_scroll_bars to yes by default.
3294 if test "${HAVE_GTK}" = "yes"; then
3295   USE_X_TOOLKIT=GTK
3296 fi
3297
3298 echo "
3299 Configured for \`${canonical}'.
3300
3301   Where should the build process find the source code?    ${srcdir}
3302   What operating system and machine description files should Emacs use?
3303         \`${opsysfile}' and \`${machfile}'
3304   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3305   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3306   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3307   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3308   What window system should Emacs use?                    ${window_system}
3309   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3310
3311 if test -n "${x_includes}"; then
3312 echo "  Where do we find X Windows header files?                ${x_includes}"
3313 else
3314 echo "  Where do we find X Windows header files?                Standard dirs"
3315 fi
3316 if test -n "${x_libraries}"; then
3317 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3318 else
3319 echo "  Where do we find X Windows libraries?                   Standard dirs"
3320 fi
3321
3322 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3323 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3324 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3325 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3326 echo "  Does Emacs use a gif library?                           ${HAVE_GIF} $ac_gif_lib_name"
3327 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3328 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
3329 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3330 echo
3331
3332 if test $USE_XASSERTS = yes; then
3333    echo "  Compiling with asserts turned on."
3334    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3335    echo
3336 fi
3337
3338 if test "$USE_X_TOOLKIT" = GTK; then
3339   case "$canonical" in
3340   *cygwin*)
3341     echo "There are known problems with Emacs and Gtk+ on cygwin, so you
3342   will probably get a crash on startup.  If this happens, please use another
3343   toolkit for Emacs.  See etc/PROBLEMS for more information."
3344   ;;
3345   esac
3346 fi
3347
3348
3349
3350 # Remove any trailing slashes in these variables.
3351 [test "${prefix}" != NONE &&
3352   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3353 test "${exec_prefix}" != NONE &&
3354   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3355
3356 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3357 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3358 ## from Makefile.c can correctly provide the arg `-traditional' to the
3359 ## C preprocessor.
3360
3361 AC_EGREP_CPP(yes..yes,
3362         [yes..yes],
3363         CPP_NEED_TRADITIONAL=no,
3364         CPP_NEED_TRADITIONAL=yes)
3365
3366 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3367         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
3368         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
3369
3370 ### Make the necessary directories, if they don't exist.
3371 for dir in etc lisp ; do
3372   test -d ${dir} || mkdir ${dir}
3373 done
3374
3375 # Build src/Makefile from ${srcdir}/src/Makefile.c
3376 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3377 # This must be done after src/config.h is built, since we rely on that file.
3378
3379 # Now get this: Some word that is part of the ${srcdir} directory name
3380 # or the ${configuration} value might, just might, happen to be an
3381 # identifier like `sun4' or `i386' or something, and be predefined by
3382 # the C preprocessor to some helpful value like 1, or maybe the empty
3383 # string.  Needless to say consequent macro substitutions are less
3384 # than conducive to the makefile finding the correct directory.
3385 [undefs="`echo $top_srcdir $configuration $canonical |
3386 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3387     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3388 `"]
3389
3390 echo creating src/epaths.h
3391 ${MAKE-make} epaths-force
3392
3393 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3394 # `..' to `. .'  unless invoked with -traditional
3395
3396 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3397   CPPFLAGS="$CPPFLAGS -traditional"
3398 fi
3399
3400 echo creating lib-src/Makefile
3401 ( cd lib-src
3402   rm -f junk.c junk1.c junk2.c
3403   sed -e '/start of cpp stuff/q' \
3404       < Makefile.c > junk1.c
3405   sed -e '1,/start of cpp stuff/d'\
3406       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3407       < Makefile.c > junk.c
3408   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3409       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3410   cat junk1.c junk2.c > Makefile.new
3411   rm -f junk.c junk1.c junk2.c
3412   chmod 444 Makefile.new
3413   mv -f Makefile.new Makefile
3414 )
3415
3416 echo creating src/Makefile
3417 ( cd src
3418   rm -f junk.c junk1.c junk2.c
3419   sed -e '/start of cpp stuff/q' \
3420       < Makefile.c > junk1.c
3421   sed -e '1,/start of cpp stuff/d'\
3422       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3423       < Makefile.c > junk.c
3424   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3425       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3426   cat junk1.c junk2.c > Makefile.new
3427   rm -f junk.c junk1.c junk2.c
3428   chmod 444 Makefile.new
3429   mv -f Makefile.new Makefile
3430 )
3431
3432 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3433   echo creating src/.gdbinit
3434   echo source $srcdir/src/.gdbinit > src/.gdbinit
3435 fi
3436
3437 # This is how we know whether to re-run configure in certain cases.
3438 touch src/config.stamp
3439
3440 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3441
3442 m4_if(dnl       Do not change this comment
3443    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3444 )dnl